diff options
Diffstat (limited to 'media')
45 files changed, 3571 insertions, 1505 deletions
diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk index 56e7787..8aa54dc 100644 --- a/media/libmedia/Android.mk +++ b/media/libmedia/Android.mk @@ -44,7 +44,7 @@ LOCAL_SRC_FILES:= \ IAudioPolicyService.cpp \ MediaScanner.cpp \ MediaScannerClient.cpp \ - autodetect.cpp \ + CharacterEncodingDetector.cpp \ IMediaDeathNotifier.cpp \ MediaProfiles.cpp \ IEffect.cpp \ @@ -65,7 +65,7 @@ LOCAL_CFLAGS += -DSINGLE_STATE_QUEUE_INSTANTIATIONS='"SingleStateQueueInstantiat # Consider a separate a library for SingleStateQueueInstantiations. LOCAL_SHARED_LIBRARIES := \ - libui liblog libcutils libutils libbinder libsonivox libicuuc libexpat \ + libui liblog libcutils libutils libbinder libsonivox libicuuc libicui18n libexpat \ libcamera_client libstagefright_foundation \ libgui libdl libaudioutils @@ -77,6 +77,7 @@ LOCAL_C_INCLUDES := \ $(call include-path-for, graphics corecg) \ $(TOP)/frameworks/native/include/media/openmax \ external/icu4c/common \ + external/icu4c/i18n \ $(call include-path-for, audio-effects) \ $(call include-path-for, audio-utils) diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp index 666fafa..6ec8ed2 100644 --- a/media/libmedia/AudioRecord.cpp +++ b/media/libmedia/AudioRecord.cpp @@ -692,7 +692,7 @@ ssize_t AudioRecord::read(void* buffer, size_t userSize) // ------------------------------------------------------------------------- -nsecs_t AudioRecord::processAudioBuffer(const sp<AudioRecordThread>& thread) +nsecs_t AudioRecord::processAudioBuffer() { mLock.lock(); if (mAwaitBoost) { @@ -954,7 +954,7 @@ status_t AudioRecord::restoreRecord_l(const char *from) // ========================================================================= -void AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who) +void AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who __unused) { sp<AudioRecord> audioRecord = mAudioRecord.promote(); if (audioRecord != 0) { @@ -993,7 +993,7 @@ bool AudioRecord::AudioRecordThread::threadLoop() return true; } } - nsecs_t ns = mReceiver.processAudioBuffer(this); + nsecs_t ns = mReceiver.processAudioBuffer(); switch (ns) { case 0: return true; diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp index 8033c2c..4580030 100644 --- a/media/libmedia/AudioSystem.cpp +++ b/media/libmedia/AudioSystem.cpp @@ -40,10 +40,10 @@ audio_error_callback AudioSystem::gAudioErrorCallback = NULL; DefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); // Cached values for recording queries, all protected by gLock -uint32_t AudioSystem::gPrevInSamplingRate = 16000; -audio_format_t AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; -audio_channel_mask_t AudioSystem::gPrevInChannelMask = AUDIO_CHANNEL_IN_MONO; -size_t AudioSystem::gInBuffSize = 0; +uint32_t AudioSystem::gPrevInSamplingRate; +audio_format_t AudioSystem::gPrevInFormat; +audio_channel_mask_t AudioSystem::gPrevInChannelMask; +size_t AudioSystem::gInBuffSize = 0; // zero indicates cache is invalid // establish binder interface to AudioFlinger service @@ -190,6 +190,16 @@ String8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& ke return result; } +status_t AudioSystem::setParameters(const String8& keyValuePairs) +{ + return setParameters((audio_io_handle_t) 0, keyValuePairs); +} + +String8 AudioSystem::getParameters(const String8& keys) +{ + return getParameters((audio_io_handle_t) 0, keys); +} + // convert volume steps to natural log scale // change this value to change volume scaling @@ -249,6 +259,11 @@ status_t AudioSystem::getSamplingRate(audio_io_handle_t output, *samplingRate = outputDesc->samplingRate; gLock.unlock(); } + if (*samplingRate == 0) { + ALOGE("AudioSystem::getSamplingRate failed for output %d stream type %d", + output, streamType); + return BAD_VALUE; + } ALOGV("getSamplingRate() streamType %d, output %d, sampling rate %u", streamType, output, *samplingRate); @@ -289,6 +304,11 @@ status_t AudioSystem::getFrameCount(audio_io_handle_t output, *frameCount = outputDesc->frameCount; gLock.unlock(); } + if (*frameCount == 0) { + ALOGE("AudioSystem::getFrameCount failed for output %d stream type %d", + output, streamType); + return BAD_VALUE; + } ALOGV("getFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); @@ -349,6 +369,12 @@ status_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t for return PERMISSION_DENIED; } inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask); + if (inBuffSize == 0) { + ALOGE("AudioSystem::getInputBufferSize failed sampleRate %d format %x channelMask %x", + sampleRate, format, channelMask); + return BAD_VALUE; + } + // A benign race is possible here: we could overwrite a fresher cache entry gLock.lock(); // save the request params gPrevInSamplingRate = sampleRate; @@ -419,7 +445,7 @@ void AudioSystem::releaseAudioSessionId(int audioSession) { // --------------------------------------------------------------------------- -void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { +void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who __unused) { Mutex::Autolock _l(AudioSystem::gLock); AudioSystem::gAudioFlinger.clear(); @@ -804,7 +830,7 @@ bool AudioSystem::isOffloadSupported(const audio_offload_info_t& info) // --------------------------------------------------------------------------- -void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { +void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who __unused) { Mutex::Autolock _l(AudioSystem::gLock); AudioSystem::gAudioPolicyService.clear(); diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp index 0609a22..a6ffc62 100644 --- a/media/libmedia/AudioTrack.cpp +++ b/media/libmedia/AudioTrack.cpp @@ -44,9 +44,6 @@ status_t AudioTrack::getMinFrameCount( return BAD_VALUE; } - // default to 0 in case of error - *frameCount = 0; - // FIXME merge with similar code in createTrack_l(), except we're missing // some information here that is available in createTrack_l(): // audio_io_handle_t output @@ -54,16 +51,20 @@ status_t AudioTrack::getMinFrameCount( // audio_channel_mask_t channelMask // audio_output_flags_t flags uint32_t afSampleRate; - if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { - return NO_INIT; + status_t status; + status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); + if (status != NO_ERROR) { + return status; } size_t afFrameCount; - if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { - return NO_INIT; + status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); + if (status != NO_ERROR) { + return status; } uint32_t afLatency; - if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { - return NO_INIT; + status = AudioSystem::getOutputLatency(&afLatency, streamType); + if (status != NO_ERROR) { + return status; } // Ensure that buffer depth covers at least audio hardware latency @@ -74,6 +75,13 @@ status_t AudioTrack::getMinFrameCount( *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : afFrameCount * minBufCount * sampleRate / afSampleRate; + // The formula above should always produce a non-zero value, but return an error + // in the unlikely event that it does not, as that's part of the API contract. + if (*frameCount == 0) { + ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", + streamType, sampleRate); + return BAD_VALUE; + } ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); return NO_ERROR; @@ -250,9 +258,6 @@ status_t AudioTrack::set( if (format == AUDIO_FORMAT_DEFAULT) { format = AUDIO_FORMAT_PCM_16_BIT; } - if (channelMask == 0) { - channelMask = AUDIO_CHANNEL_OUT_STEREO; - } // validate parameters if (!audio_is_valid_format(format)) { @@ -260,6 +265,11 @@ status_t AudioTrack::set( return BAD_VALUE; } + if (!audio_is_output_channel(channelMask)) { + ALOGE("Invalid channel mask %#x", channelMask); + return BAD_VALUE; + } + // AudioFlinger does not currently support 8-bit data in shared memory if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { ALOGE("8-bit data in shared memory is not supported"); @@ -282,10 +292,6 @@ status_t AudioTrack::set( flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); } - if (!audio_is_output_channel(channelMask)) { - ALOGE("Invalid channel mask %#x", channelMask); - return BAD_VALUE; - } mChannelMask = channelMask; uint32_t channelCount = popcount(channelMask); mChannelCount = channelCount; @@ -445,8 +451,7 @@ status_t AudioTrack::start() void AudioTrack::stop() { AutoMutex lock(mLock); - // FIXME pause then stop should not be a nop - if (mState != STATE_ACTIVE) { + if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { return; } @@ -1344,7 +1349,7 @@ status_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, // ------------------------------------------------------------------------- -nsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) +nsecs_t AudioTrack::processAudioBuffer() { // Currently the AudioTrack thread is not created if there are no callbacks. // Would it ever make sense to run the thread, even without callbacks? @@ -1770,7 +1775,7 @@ String8 AudioTrack::getParameters(const String8& keys) } } -status_t AudioTrack::dump(int fd, const Vector<String16>& args) const +status_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const { const size_t SIZE = 256; @@ -1800,7 +1805,7 @@ uint32_t AudioTrack::getUnderrunFrames() const // ========================================================================= -void AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) +void AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) { sp<AudioTrack> audioTrack = mAudioTrack.promote(); if (audioTrack != 0) { @@ -1844,7 +1849,7 @@ bool AudioTrack::AudioTrackThread::threadLoop() return true; } } - nsecs_t ns = mReceiver.processAudioBuffer(this); + nsecs_t ns = mReceiver.processAudioBuffer(); switch (ns) { case 0: return true; diff --git a/media/libmedia/AudioTrackShared.cpp b/media/libmedia/AudioTrackShared.cpp index caa7900..7a1e207 100644 --- a/media/libmedia/AudioTrackShared.cpp +++ b/media/libmedia/AudioTrackShared.cpp @@ -765,7 +765,7 @@ ssize_t StaticAudioTrackServerProxy::pollPosition() return (ssize_t) position; } -status_t StaticAudioTrackServerProxy::obtainBuffer(Buffer* buffer, bool ackFlush) +status_t StaticAudioTrackServerProxy::obtainBuffer(Buffer* buffer, bool ackFlush __unused) { if (mIsShutdown) { buffer->mFrameCount = 0; @@ -847,7 +847,7 @@ void StaticAudioTrackServerProxy::releaseBuffer(Buffer* buffer) buffer->mNonContig = 0; } -void StaticAudioTrackServerProxy::tallyUnderrunFrames(uint32_t frameCount) +void StaticAudioTrackServerProxy::tallyUnderrunFrames(uint32_t frameCount __unused) { // Unlike AudioTrackServerProxy::tallyUnderrunFrames() used for streaming tracks, // we don't have a location to count underrun frames. The underrun frame counter diff --git a/media/libmedia/CharacterEncodingDetector.cpp b/media/libmedia/CharacterEncodingDetector.cpp new file mode 100644 index 0000000..eb091ac --- /dev/null +++ b/media/libmedia/CharacterEncodingDetector.cpp @@ -0,0 +1,364 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "CharacterEncodingDector" +#include <utils/Log.h> + +#include "CharacterEncodingDetector.h" +#include "CharacterEncodingDetectorTables.h" + +#include "utils/Vector.h" +#include "StringArray.h" + +#include "unicode/ucnv.h" +#include "unicode/ucsdet.h" +#include "unicode/ustring.h" + +namespace android { + +CharacterEncodingDetector::CharacterEncodingDetector() { + + UErrorCode status = U_ZERO_ERROR; + mUtf8Conv = ucnv_open("UTF-8", &status); + if (U_FAILURE(status)) { + ALOGE("could not create UConverter for UTF-8"); + mUtf8Conv = NULL; + } +} + +CharacterEncodingDetector::~CharacterEncodingDetector() { + ucnv_close(mUtf8Conv); +} + +void CharacterEncodingDetector::addTag(const char *name, const char *value) { + mNames.push_back(name); + mValues.push_back(value); +} + +size_t CharacterEncodingDetector::size() { + return mNames.size(); +} + +status_t CharacterEncodingDetector::getTag(int index, const char **name, const char**value) { + if (index >= mNames.size()) { + return BAD_VALUE; + } + + *name = mNames.getEntry(index); + *value = mValues.getEntry(index); + return OK; +} + +static bool isPrintableAscii(const char *value, size_t len) { + for (size_t i = 0; i < len; i++) { + if ((value[i] & 0x80) || value[i] < 0x20 || value[i] == 0x7f) { + return false; + } + } + return true; +} + +void CharacterEncodingDetector::detectAndConvert() { + + int size = mNames.size(); + ALOGV("%d tags before conversion", size); + for (int i = 0; i < size; i++) { + ALOGV("%s: %s", mNames.getEntry(i), mValues.getEntry(i)); + } + + if (size && mUtf8Conv) { + + UErrorCode status = U_ZERO_ERROR; + UCharsetDetector *csd = ucsdet_open(&status); + const UCharsetMatch *ucm; + + // try combined detection of artist/album/title etc. + char buf[1024]; + buf[0] = 0; + int idx; + for (int i = 0; i < size; i++) { + const char *name = mNames.getEntry(i); + const char *value = mValues.getEntry(i); + if (!isPrintableAscii(value, strlen(value)) && ( + !strcmp(name, "artist") || + !strcmp(name, "albumartist") || + !strcmp(name, "composer") || + !strcmp(name, "genre") || + !strcmp(name, "album") || + !strcmp(name, "title"))) { + strlcat(buf, value, sizeof(buf)); + // separate tags by space so ICU's ngram detector can do its job + strlcat(buf, " ", sizeof(buf)); + } + } + ucsdet_setText(csd, buf, strlen(buf), &status); + + int32_t matches; + const UCharsetMatch** ucma = ucsdet_detectAll(csd, &matches, &status); + const char *combinedenc = "???"; + + const UCharsetMatch* bestCombinedMatch = getPreferred(buf, strlen(buf), ucma, matches); + + if (bestCombinedMatch != NULL) { + combinedenc = ucsdet_getName(bestCombinedMatch, &status); + } + + for (int i = 0; i < size; i++) { + const char *name = mNames.getEntry(i); + uint8_t* src = (uint8_t *)mValues.getEntry(i); + int len = strlen((char *)src); + uint8_t* dest = src; + + ALOGV("@@@ checking %s", name); + const char *s = mValues.getEntry(i); + int32_t inputLength = strlen(s); + const char *enc; + + if (!strcmp(name, "artist") || + !strcmp(name, "albumartist") || + !strcmp(name, "composer") || + !strcmp(name, "genre") || + !strcmp(name, "album") || + !strcmp(name, "title")) { + // use encoding determined from the combination of artist/album/title etc. + enc = combinedenc; + } else { + ucsdet_setText(csd, s, inputLength, &status); + ucm = ucsdet_detect(csd, &status); + if (!ucm) { + mValues.setEntry(i, "???"); + continue; + } + enc = ucsdet_getName(ucm, &status); + ALOGV("@@@@ recognized charset: %s for %s confidence %d", + enc, mNames.getEntry(i), ucsdet_getConfidence(ucm, &status)); + } + + if (strcmp(enc,"UTF-8") != 0) { + // only convert if the source encoding isn't already UTF-8 + ALOGV("@@@ using converter %s for %s", enc, mNames.getEntry(i)); + UConverter *conv = ucnv_open(enc, &status); + if (U_FAILURE(status)) { + ALOGE("could not create UConverter for %s", enc); + continue; + } + + // convert from native encoding to UTF-8 + const char* source = mValues.getEntry(i); + int targetLength = len * 3 + 1; + char* buffer = new char[targetLength]; + // don't normally check for NULL, but in this case targetLength may be large + if (!buffer) + break; + char* target = buffer; + + ucnv_convertEx(mUtf8Conv, conv, &target, target + targetLength, + &source, source + strlen(source), + NULL, NULL, NULL, NULL, TRUE, TRUE, &status); + + if (U_FAILURE(status)) { + ALOGE("ucnv_convertEx failed: %d", status); + mValues.setEntry(i, "???"); + } else { + // zero terminate + *target = 0; + mValues.setEntry(i, buffer); + } + + delete[] buffer; + + ucnv_close(conv); + } + } + + for (int i = size - 1; i >= 0; --i) { + if (strlen(mValues.getEntry(i)) == 0) { + ALOGV("erasing %s because entry is empty", mNames.getEntry(i)); + mNames.erase(i); + mValues.erase(i); + } + } + + ucsdet_close(csd); + } +} + +/* + * When ICU detects multiple encoding matches, apply additional heuristics to determine + * which one is the best match, since ICU can't always be trusted to make the right choice. + * + * What this method does is: + * - decode the input using each of the matches found + * - recalculate the starting confidence level for multibyte encodings using a different + * algorithm and larger frequent character lists than ICU + * - devalue encoding where the conversion contains unlikely characters (symbols, reserved, etc) + * - pick the highest match + */ +const UCharsetMatch *CharacterEncodingDetector::getPreferred( + const char *input, size_t len, const UCharsetMatch** ucma, size_t nummatches) { + + Vector<const UCharsetMatch*> matches; + UErrorCode status = U_ZERO_ERROR; + + ALOGV("%d matches", nummatches); + for (size_t i = 0; i < nummatches; i++) { + const char *encname = ucsdet_getName(ucma[i], &status); + int confidence = ucsdet_getConfidence(ucma[i], &status); + ALOGV("%d: %s %d", i, encname, confidence); + matches.push_back(ucma[i]); + } + + size_t num = matches.size(); + if (num == 0) { + return NULL; + } + if (num == 1) { + return matches[0]; + } + + ALOGV("considering %d matches", num); + + // keep track of how many "special" characters result when converting the input using each + // encoding + Vector<int> newconfidence; + for (size_t i = 0; i < num; i++) { + const uint16_t *freqdata = NULL; + float freqcoverage = 0; + status = U_ZERO_ERROR; + const char *encname = ucsdet_getName(matches[i], &status); + int confidence = ucsdet_getConfidence(matches[i], &status); + if (!strcmp("GB18030", encname)) { + freqdata = frequent_zhCN; + freqcoverage = frequent_zhCN_coverage; + } else if (!strcmp("Big5", encname)) { + freqdata = frequent_zhTW; + freqcoverage = frequent_zhTW_coverage; + } else if (!strcmp("EUC-KR", encname)) { + freqdata = frequent_ko; + freqcoverage = frequent_ko_coverage; + } else if (!strcmp("EUC-JP", encname)) { + freqdata = frequent_ja; + freqcoverage = frequent_ja_coverage; + } else if (!strcmp("Shift_JIS", encname)) { + freqdata = frequent_ja; + freqcoverage = frequent_ja_coverage; + } + + ALOGV("%d: %s %d", i, encname, confidence); + UConverter *conv = ucnv_open(encname, &status); + const char *source = input; + const char *sourceLimit = input + len; + status = U_ZERO_ERROR; + int demerit = 0; + int frequentchars = 0; + int totalchars = 0; + while (true) { + // demerit the current encoding for each "special" character found after conversion. + // The amount of demerit is somewhat arbitrarily chosen. + int inchar; + if (source != sourceLimit) { + inchar = (source[0] << 8) + source[1]; + } + UChar32 c = ucnv_getNextUChar(conv, &source, sourceLimit, &status); + if (!U_SUCCESS(status)) { + break; + } + if (c < 0x20 || (c >= 0x7f && c <= 0x009f)) { + ALOGV("control character %x", c); + demerit += 100; + } else if ((c >= 0xa0 && c <= 0xbe) // symbols, superscripts + || (c == 0xd7) || (c == 0xf7) // multiplication and division signs + || (c >= 0x2000 && c <= 0x209f)) { // punctuation, superscripts + ALOGV("unlikely character %x", c); + demerit += 10; + } else if (c >= 0xe000 && c <= 0xf8ff) { + ALOGV("private use character %x", c); + demerit += 30; + } else if (c >= 0x2190 && c <= 0x2bff) { + // this range comprises various symbol ranges that are unlikely to appear in + // music file metadata. + ALOGV("symbol %x", c); + demerit += 10; + } else if (c == 0xfffd) { + ALOGV("replacement character"); + demerit += 50; + } else if (c >= 0xfff0 && c <= 0xfffc) { + ALOGV("unicode special %x", c); + demerit += 50; + } else if (freqdata != NULL) { + totalchars++; + if (isFrequent(freqdata, c)) { + frequentchars++; + } + } + } + if (freqdata != NULL && totalchars != 0) { + int myconfidence = 10 + float((100 * frequentchars) / totalchars) / freqcoverage; + ALOGV("ICU confidence: %d, my confidence: %d (%d %d)", confidence, myconfidence, + totalchars, frequentchars); + if (myconfidence > 100) myconfidence = 100; + if (myconfidence < 0) myconfidence = 0; + confidence = myconfidence; + } + ALOGV("%d-%d=%d", confidence, demerit, confidence - demerit); + newconfidence.push_back(confidence - demerit); + ucnv_close(conv); + if (i == 0 && (confidence - demerit) == 100) { + // no need to check any further, we'll end up using this match anyway + break; + } + } + + // find match with highest confidence after adjusting for unlikely characters + int highest = newconfidence[0]; + size_t highestidx = 0; + num = newconfidence.size(); + for (size_t i = 1; i < num; i++) { + if (newconfidence[i] > highest) { + highest = newconfidence[i]; + highestidx = i; + } + } + status = U_ZERO_ERROR; + ALOGV("selecting '%s' w/ %d confidence", ucsdet_getName(matches[highestidx], &status), highest); + return matches[highestidx]; +} + + +bool CharacterEncodingDetector::isFrequent(const uint16_t *values, uint32_t c) { + + int start = 0; + int end = 511; // All the tables have 512 entries + int mid = (start+end)/2; + + while(start <= end) { + if(c == values[mid]) { + return true; + } else if (c > values[mid]) { + start = mid + 1; + } else { + end = mid - 1; + } + + mid = (start + end) / 2; + } + + return false; +} + + +} // namespace android diff --git a/media/libmedia/CharacterEncodingDetector.h b/media/libmedia/CharacterEncodingDetector.h new file mode 100644 index 0000000..3655a91 --- /dev/null +++ b/media/libmedia/CharacterEncodingDetector.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _CHARACTER_ENCODING_DETECTOR_H +#define _CHARACTER_ENCODING_DETECTOR_H + +#include <media/mediascanner.h> + +#include "StringArray.h" + +#include "unicode/ucnv.h" +#include "unicode/ucsdet.h" +#include "unicode/ustring.h" + +namespace android { + +class CharacterEncodingDetector { + + public: + CharacterEncodingDetector(); + ~CharacterEncodingDetector(); + + void addTag(const char *name, const char *value); + size_t size(); + + void detectAndConvert(); + status_t getTag(int index, const char **name, const char**value); + + private: + const UCharsetMatch *getPreferred( + const char *input, size_t len, const UCharsetMatch** ucma, size_t matches); + + bool isFrequent(const uint16_t *values, uint32_t c); + + // cached name and value strings, for native encoding support. + // TODO: replace these with byte blob arrays that don't require the data to be + // singlenullbyte-terminated + StringArray mNames; + StringArray mValues; + + UConverter* mUtf8Conv; +}; + + + +}; // namespace android + +#endif diff --git a/media/libmedia/CharacterEncodingDetectorTables.h b/media/libmedia/CharacterEncodingDetectorTables.h new file mode 100644 index 0000000..1fe1137 --- /dev/null +++ b/media/libmedia/CharacterEncodingDetectorTables.h @@ -0,0 +1,2092 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// The 512 most frequently occuring characters for the zhCN language in a sample of the Internet. +// Ordered by codepoint, comment shows character and ranking by frequency +const uint16_t frequent_zhCN[] = { + 0x4E00, // 一, #2 + 0x4E07, // 万, #306 + 0x4E09, // 三, #138 + 0x4E0A, // 上, #16 + 0x4E0B, // 下, #25 + 0x4E0D, // 不, #7 + 0x4E0E, // 与, #133 + 0x4E13, // 专, #151 + 0x4E16, // 世, #346 + 0x4E1A, // 业, #39 + 0x4E1C, // 东, #197 + 0x4E24, // 两, #376 + 0x4E2A, // 个, #23 + 0x4E2D, // 中, #4 + 0x4E3A, // 为, #31 + 0x4E3B, // 主, #95 + 0x4E3E, // 举, #418 + 0x4E48, // 么, #93 + 0x4E4B, // 之, #131 + 0x4E50, // 乐, #130 + 0x4E5F, // 也, #145 + 0x4E66, // 书, #283 + 0x4E70, // 买, #483 + 0x4E86, // 了, #13 + 0x4E8B, // 事, #168 + 0x4E8C, // 二, #218 + 0x4E8E, // 于, #64 + 0x4E94, // 五, #430 + 0x4E9A, // 亚, #468 + 0x4E9B, // 些, #366 + 0x4EA4, // 交, #243 + 0x4EA7, // 产, #86 + 0x4EAB, // 享, #345 + 0x4EAC, // 京, #206 + 0x4EBA, // 人, #3 + 0x4EC0, // 什, #287 + 0x4ECB, // 介, #478 + 0x4ECE, // 从, #381 + 0x4ED6, // 他, #129 + 0x4EE3, // 代, #241 + 0x4EE5, // 以, #51 + 0x4EEC, // 们, #83 + 0x4EF6, // 件, #141 + 0x4EF7, // 价, #140 + 0x4EFB, // 任, #383 + 0x4F01, // 企, #439 + 0x4F18, // 优, #374 + 0x4F1A, // 会, #29 + 0x4F20, // 传, #222 + 0x4F46, // 但, #451 + 0x4F4D, // 位, #208 + 0x4F53, // 体, #98 + 0x4F55, // 何, #339 + 0x4F5C, // 作, #44 + 0x4F60, // 你, #76 + 0x4F7F, // 使, #272 + 0x4F9B, // 供, #375 + 0x4FDD, // 保, #180 + 0x4FE1, // 信, #84 + 0x4FEE, // 修, #437 + 0x503C, // 值, #450 + 0x505A, // 做, #368 + 0x5065, // 健, #484 + 0x50CF, // 像, #487 + 0x513F, // 儿, #326 + 0x5143, // 元, #202 + 0x5148, // 先, #485 + 0x5149, // 光, #254 + 0x514B, // 克, #503 + 0x514D, // 免, #349 + 0x5165, // 入, #156 + 0x5168, // 全, #47 + 0x516C, // 公, #35 + 0x5171, // 共, #448 + 0x5173, // 关, #49 + 0x5176, // 其, #195 + 0x5177, // 具, #329 + 0x5185, // 内, #109 + 0x518C, // 册, #225 + 0x519B, // 军, #466 + 0x51FA, // 出, #53 + 0x51FB, // 击, #359 + 0x5206, // 分, #22 + 0x5217, // 列, #410 + 0x521B, // 创, #399 + 0x5229, // 利, #296 + 0x522B, // 别, #372 + 0x5230, // 到, #33 + 0x5236, // 制, #192 + 0x524D, // 前, #117 + 0x529B, // 力, #173 + 0x529E, // 办, #436 + 0x529F, // 功, #455 + 0x52A0, // 加, #97 + 0x52A1, // 务, #100 + 0x52A8, // 动, #46 + 0x52A9, // 助, #365 + 0x5305, // 包, #331 + 0x5316, // 化, #155 + 0x5317, // 北, #194 + 0x533A, // 区, #105 + 0x533B, // 医, #234 + 0x5341, // 十, #294 + 0x534E, // 华, #205 + 0x5355, // 单, #259 + 0x5357, // 南, #182 + 0x535A, // 博, #153 + 0x5361, // 卡, #332 + 0x539F, // 原, #271 + 0x53BB, // 去, #282 + 0x53C2, // 参, #500 + 0x53CA, // 及, #255 + 0x53CB, // 友, #186 + 0x53CD, // 反, #422 + 0x53D1, // 发, #15 + 0x53D7, // 受, #507 + 0x53D8, // 变, #395 + 0x53E3, // 口, #293 + 0x53EA, // 只, #340 + 0x53EF, // 可, #45 + 0x53F0, // 台, #267 + 0x53F7, // 号, #121 + 0x53F8, // 司, #150 + 0x5404, // 各, #491 + 0x5408, // 合, #115 + 0x540C, // 同, #189 + 0x540D, // 名, #127 + 0x540E, // 后, #75 + 0x5411, // 向, #459 + 0x5427, // 吧, #353 + 0x544A, // 告, #318 + 0x5458, // 员, #232 + 0x5468, // 周, #347 + 0x548C, // 和, #43 + 0x54C1, // 品, #36 + 0x5546, // 商, #148 + 0x5668, // 器, #228 + 0x56DB, // 四, #352 + 0x56DE, // 回, #38 + 0x56E0, // 因, #355 + 0x56E2, // 团, #412 + 0x56ED, // 园, #470 + 0x56FD, // 国, #12 + 0x56FE, // 图, #32 + 0x5728, // 在, #10 + 0x5730, // 地, #30 + 0x573A, // 场, #177 + 0x575B, // 坛, #364 + 0x578B, // 型, #274 + 0x57CE, // 城, #172 + 0x57FA, // 基, #315 + 0x58EB, // 士, #434 + 0x58F0, // 声, #397 + 0x5904, // 处, #416 + 0x5907, // 备, #270 + 0x590D, // 复, #122 + 0x5916, // 外, #190 + 0x591A, // 多, #40 + 0x5927, // 大, #8 + 0x5929, // 天, #52 + 0x592A, // 太, #456 + 0x5934, // 头, #258 + 0x5973, // 女, #65 + 0x597D, // 好, #62 + 0x5982, // 如, #135 + 0x5A31, // 娱, #452 + 0x5B50, // 子, #37 + 0x5B57, // 字, #285 + 0x5B66, // 学, #19 + 0x5B89, // 安, #144 + 0x5B8C, // 完, #469 + 0x5B9A, // 定, #179 + 0x5B9D, // 宝, #188 + 0x5B9E, // 实, #154 + 0x5BA2, // 客, #174 + 0x5BB6, // 家, #26 + 0x5BB9, // 容, #307 + 0x5BC6, // 密, #471 + 0x5BF9, // 对, #90 + 0x5BFC, // 导, #348 + 0x5C06, // 将, #265 + 0x5C0F, // 小, #28 + 0x5C11, // 少, #379 + 0x5C14, // 尔, #490 + 0x5C31, // 就, #101 + 0x5C55, // 展, #291 + 0x5C71, // 山, #239 + 0x5DDE, // 州, #227 + 0x5DE5, // 工, #73 + 0x5DF1, // 己, #480 + 0x5DF2, // 已, #310 + 0x5E02, // 市, #78 + 0x5E03, // 布, #350 + 0x5E08, // 师, #277 + 0x5E16, // 帖, #396 + 0x5E26, // 带, #449 + 0x5E2E, // 帮, #461 + 0x5E38, // 常, #319 + 0x5E73, // 平, #217 + 0x5E74, // 年, #20 + 0x5E76, // 并, #440 + 0x5E7F, // 广, #166 + 0x5E93, // 库, #446 + 0x5E94, // 应, #187 + 0x5E97, // 店, #320 + 0x5EA6, // 度, #114 + 0x5EB7, // 康, #499 + 0x5EFA, // 建, #211 + 0x5F00, // 开, #72 + 0x5F0F, // 式, #207 + 0x5F15, // 引, #495 + 0x5F20, // 张, #385 + 0x5F3A, // 强, #404 + 0x5F53, // 当, #233 + 0x5F55, // 录, #146 + 0x5F62, // 形, #494 + 0x5F69, // 彩, #356 + 0x5F71, // 影, #214 + 0x5F88, // 很, #300 + 0x5F97, // 得, #193 + 0x5FAE, // 微, #245 + 0x5FC3, // 心, #70 + 0x5FEB, // 快, #324 + 0x6001, // 态, #508 + 0x600E, // 怎, #370 + 0x6027, // 性, #99 + 0x603B, // 总, #398 + 0x606F, // 息, #176 + 0x60A8, // 您, #251 + 0x60C5, // 情, #87 + 0x60F3, // 想, #290 + 0x610F, // 意, #184 + 0x611F, // 感, #253 + 0x620F, // 戏, #237 + 0x6210, // 成, #71 + 0x6211, // 我, #11 + 0x6216, // 或, #321 + 0x6218, // 战, #369 + 0x6237, // 户, #215 + 0x623F, // 房, #236 + 0x6240, // 所, #147 + 0x624B, // 手, #55 + 0x624D, // 才, #407 + 0x6253, // 打, #281 + 0x6280, // 技, #203 + 0x6295, // 投, #408 + 0x62A4, // 护, #502 + 0x62A5, // 报, #113 + 0x62DB, // 招, #363 + 0x6301, // 持, #403 + 0x6307, // 指, #414 + 0x636E, // 据, #409 + 0x6392, // 排, #377 + 0x63A5, // 接, #266 + 0x63A8, // 推, #244 + 0x63D0, // 提, #181 + 0x641C, // 搜, #301 + 0x64AD, // 播, #401 + 0x652F, // 支, #400 + 0x6536, // 收, #158 + 0x653E, // 放, #317 + 0x653F, // 政, #380 + 0x6548, // 效, #496 + 0x6559, // 教, #170 + 0x6570, // 数, #136 + 0x6587, // 文, #21 + 0x6599, // 料, #295 + 0x65AF, // 斯, #473 + 0x65B0, // 新, #14 + 0x65B9, // 方, #68 + 0x65C5, // 旅, #457 + 0x65E0, // 无, #164 + 0x65E5, // 日, #50 + 0x65F6, // 时, #18 + 0x660E, // 明, #132 + 0x6613, // 易, #428 + 0x661F, // 星, #240 + 0x662F, // 是, #6 + 0x663E, // 显, #486 + 0x66F4, // 更, #103 + 0x6700, // 最, #61 + 0x6708, // 月, #80 + 0x6709, // 有, #5 + 0x670D, // 服, #94 + 0x671F, // 期, #139 + 0x672C, // 本, #56 + 0x672F, // 术, #216 + 0x673A, // 机, #27 + 0x6743, // 权, #250 + 0x6761, // 条, #309 + 0x6765, // 来, #42 + 0x677F, // 板, #505 + 0x6797, // 林, #475 + 0x679C, // 果, #212 + 0x67E5, // 查, #165 + 0x6807, // 标, #269 + 0x6821, // 校, #462 + 0x6837, // 样, #314 + 0x683C, // 格, #238 + 0x6848, // 案, #378 + 0x697C, // 楼, #342 + 0x6A21, // 模, #413 + 0x6B21, // 次, #263 + 0x6B22, // 欢, #443 + 0x6B3E, // 款, #358 + 0x6B63, // 正, #219 + 0x6B64, // 此, #362 + 0x6BD4, // 比, #298 + 0x6C11, // 民, #279 + 0x6C14, // 气, #303 + 0x6C34, // 水, #163 + 0x6C42, // 求, #373 + 0x6C5F, // 江, #336 + 0x6CA1, // 没, #229 + 0x6CBB, // 治, #425 + 0x6CD5, // 法, #85 + 0x6CE8, // 注, #119 + 0x6D3B, // 活, #231 + 0x6D41, // 流, #280 + 0x6D4B, // 测, #460 + 0x6D77, // 海, #124 + 0x6D88, // 消, #415 + 0x6DF1, // 深, #477 + 0x6E05, // 清, #311 + 0x6E38, // 游, #81 + 0x6E90, // 源, #325 + 0x706B, // 火, #498 + 0x70B9, // 点, #58 + 0x70ED, // 热, #183 + 0x7136, // 然, #308 + 0x7167, // 照, #431 + 0x7231, // 爱, #223 + 0x7247, // 片, #128 + 0x7248, // 版, #91 + 0x724C, // 牌, #429 + 0x7269, // 物, #169 + 0x7279, // 特, #224 + 0x738B, // 王, #351 + 0x73A9, // 玩, #476 + 0x73B0, // 现, #125 + 0x7403, // 球, #367 + 0x7406, // 理, #69 + 0x751F, // 生, #24 + 0x7528, // 用, #17 + 0x7531, // 由, #441 + 0x7535, // 电, #34 + 0x7537, // 男, #275 + 0x754C, // 界, #419 + 0x75C5, // 病, #371 + 0x767B, // 登, #204 + 0x767D, // 白, #338 + 0x767E, // 百, #157 + 0x7684, // 的, #1 + 0x76D8, // 盘, #493 + 0x76EE, // 目, #261 + 0x76F4, // 直, #391 + 0x76F8, // 相, #143 + 0x7701, // 省, #464 + 0x770B, // 看, #54 + 0x771F, // 真, #249 + 0x7740, // 着, #302 + 0x77E5, // 知, #142 + 0x7801, // 码, #257 + 0x7814, // 研, #387 + 0x793A, // 示, #334 + 0x793E, // 社, #343 + 0x795E, // 神, #330 + 0x798F, // 福, #509 + 0x79BB, // 离, #454 + 0x79CD, // 种, #278 + 0x79D1, // 科, #126 + 0x79EF, // 积, #390 + 0x7A0B, // 程, #209 + 0x7A76, // 究, #504 + 0x7A7A, // 空, #312 + 0x7ACB, // 立, #393 + 0x7AD9, // 站, #107 + 0x7AE0, // 章, #304 + 0x7B2C, // 第, #96 + 0x7B49, // 等, #210 + 0x7B54, // 答, #256 + 0x7B80, // 简, #474 + 0x7BA1, // 管, #221 + 0x7C7B, // 类, #246 + 0x7CBE, // 精, #226 + 0x7CFB, // 系, #89 + 0x7D22, // 索, #354 + 0x7EA2, // 红, #417 + 0x7EA7, // 级, #178 + 0x7EBF, // 线, #108 + 0x7EC4, // 组, #389 + 0x7EC6, // 细, #442 + 0x7ECF, // 经, #74 + 0x7ED3, // 结, #333 + 0x7ED9, // 给, #384 + 0x7EDC, // 络, #472 + 0x7EDF, // 统, #344 + 0x7F16, // 编, #424 + 0x7F51, // 网, #9 + 0x7F6E, // 置, #411 + 0x7F8E, // 美, #60 + 0x8001, // 老, #292 + 0x8003, // 考, #288 + 0x8005, // 者, #106 + 0x800C, // 而, #297 + 0x8054, // 联, #159 + 0x80B2, // 育, #327 + 0x80FD, // 能, #59 + 0x81EA, // 自, #77 + 0x8272, // 色, #198 + 0x8282, // 节, #361 + 0x82B1, // 花, #299 + 0x82F1, // 英, #316 + 0x8350, // 荐, #402 + 0x836F, // 药, #481 + 0x8425, // 营, #394 + 0x85CF, // 藏, #337 + 0x884C, // 行, #41 + 0x8868, // 表, #104 + 0x88AB, // 被, #289 + 0x88C5, // 装, #161 + 0x897F, // 西, #199 + 0x8981, // 要, #48 + 0x89C1, // 见, #360 + 0x89C2, // 观, #423 + 0x89C4, // 规, #453 + 0x89C6, // 视, #120 + 0x89E3, // 解, #264 + 0x8A00, // 言, #433 + 0x8BA1, // 计, #191 + 0x8BA4, // 认, #482 + 0x8BA9, // 让, #421 + 0x8BAE, // 议, #427 + 0x8BAF, // 讯, #388 + 0x8BB0, // 记, #273 + 0x8BBA, // 论, #66 + 0x8BBE, // 设, #162 + 0x8BC1, // 证, #201 + 0x8BC4, // 评, #111 + 0x8BC6, // 识, #463 + 0x8BD5, // 试, #323 + 0x8BDD, // 话, #247 + 0x8BE2, // 询, #432 + 0x8BE5, // 该, #447 + 0x8BE6, // 详, #497 + 0x8BED, // 语, #268 + 0x8BF4, // 说, #112 + 0x8BF7, // 请, #213 + 0x8BFB, // 读, #341 + 0x8C03, // 调, #438 + 0x8D22, // 财, #488 + 0x8D28, // 质, #386 + 0x8D2D, // 购, #260 + 0x8D34, // 贴, #510 + 0x8D39, // 费, #242 + 0x8D44, // 资, #116 + 0x8D77, // 起, #220 + 0x8D85, // 超, #406 + 0x8DEF, // 路, #235 + 0x8EAB, // 身, #262 + 0x8F66, // 车, #82 + 0x8F6C, // 转, #322 + 0x8F7D, // 载, #175 + 0x8FBE, // 达, #435 + 0x8FC7, // 过, #118 + 0x8FD0, // 运, #357 + 0x8FD1, // 近, #492 + 0x8FD8, // 还, #171 + 0x8FD9, // 这, #57 + 0x8FDB, // 进, #160 + 0x8FDE, // 连, #489 + 0x9009, // 选, #328 + 0x901A, // 通, #137 + 0x901F, // 速, #458 + 0x9020, // 造, #511 + 0x9053, // 道, #79 + 0x90A3, // 那, #305 + 0x90E8, // 部, #102 + 0x90FD, // 都, #167 + 0x914D, // 配, #479 + 0x9152, // 酒, #444 + 0x91CC, // 里, #196 + 0x91CD, // 重, #230 + 0x91CF, // 量, #248 + 0x91D1, // 金, #134 + 0x9500, // 销, #465 + 0x957F, // 长, #152 + 0x95E8, // 门, #185 + 0x95EE, // 问, #92 + 0x95F4, // 间, #88 + 0x95FB, // 闻, #313 + 0x9605, // 阅, #467 + 0x9633, // 阳, #420 + 0x9645, // 际, #501 + 0x9650, // 限, #286 + 0x9662, // 院, #276 + 0x96C6, // 集, #284 + 0x9700, // 需, #405 + 0x9762, // 面, #123 + 0x97F3, // 音, #335 + 0x9875, // 页, #63 + 0x9879, // 项, #506 + 0x9891, // 频, #200 + 0x9898, // 题, #110 + 0x98CE, // 风, #252 + 0x98DF, // 食, #445 + 0x9996, // 首, #149 + 0x9999, // 香, #512 + 0x9A6C, // 马, #392 + 0x9A8C, // 验, #382 + 0x9AD8, // 高, #67 + 0x9F99, // 龙, #426 +}; +// the percentage of the sample covered by the above characters +static const float frequent_zhCN_coverage=0.718950369339973; + +// The 512 most frequently occuring characters for the zhTW language in a sample of the Internet. +// Ordered by codepoint, comment shows character and ranking by frequency +const uint16_t frequent_zhTW[] = { + 0x4E00, // 一, #2 + 0x4E09, // 三, #131 + 0x4E0A, // 上, #12 + 0x4E0B, // 下, #37 + 0x4E0D, // 不, #6 + 0x4E16, // 世, #312 + 0x4E26, // 並, #434 + 0x4E2D, // 中, #9 + 0x4E3B, // 主, #97 + 0x4E4B, // 之, #55 + 0x4E5F, // 也, #95 + 0x4E86, // 了, #19 + 0x4E8B, // 事, #128 + 0x4E8C, // 二, #187 + 0x4E94, // 五, #339 + 0x4E9B, // 些, #435 + 0x4E9E, // 亞, #432 + 0x4EA4, // 交, #264 + 0x4EAB, // 享, #160 + 0x4EBA, // 人, #3 + 0x4EC0, // 什, #483 + 0x4ECA, // 今, #380 + 0x4ECB, // 介, #468 + 0x4ED6, // 他, #65 + 0x4EE3, // 代, #284 + 0x4EE5, // 以, #26 + 0x4EF6, // 件, #234 + 0x4EFB, // 任, #381 + 0x4EFD, // 份, #447 + 0x4F46, // 但, #281 + 0x4F4D, // 位, #202 + 0x4F4F, // 住, #471 + 0x4F55, // 何, #334 + 0x4F5C, // 作, #56 + 0x4F60, // 你, #64 + 0x4F7F, // 使, #236 + 0x4F86, // 來, #38 + 0x4F9B, // 供, #397 + 0x4FBF, // 便, #440 + 0x4FC2, // 係, #506 + 0x4FDD, // 保, #161 + 0x4FE1, // 信, #268 + 0x4FEE, // 修, #473 + 0x500B, // 個, #27 + 0x5011, // 們, #109 + 0x505A, // 做, #383 + 0x5065, // 健, #415 + 0x5099, // 備, #461 + 0x50B3, // 傳, #277 + 0x50CF, // 像, #403 + 0x50F9, // 價, #93 + 0x512A, // 優, #396 + 0x5143, // 元, #158 + 0x5148, // 先, #382 + 0x5149, // 光, #216 + 0x514D, // 免, #321 + 0x5152, // 兒, #374 + 0x5165, // 入, #58 + 0x5167, // 內, #106 + 0x5168, // 全, #67 + 0x5169, // 兩, #322 + 0x516C, // 公, #53 + 0x516D, // 六, #493 + 0x5171, // 共, #456 + 0x5176, // 其, #148 + 0x5177, // 具, #328 + 0x518A, // 冊, #360 + 0x518D, // 再, #311 + 0x51FA, // 出, #44 + 0x5206, // 分, #15 + 0x5217, // 列, #259 + 0x5225, // 別, #361 + 0x5229, // 利, #251 + 0x5230, // 到, #29 + 0x5247, // 則, #511 + 0x524D, // 前, #82 + 0x5275, // 創, #409 + 0x529B, // 力, #176 + 0x529F, // 功, #430 + 0x52A0, // 加, #87 + 0x52A9, // 助, #465 + 0x52D5, // 動, #48 + 0x52D9, // 務, #102 + 0x5305, // 包, #248 + 0x5316, // 化, #223 + 0x5317, // 北, #145 + 0x5340, // 區, #60 + 0x5341, // 十, #242 + 0x5357, // 南, #261 + 0x535A, // 博, #484 + 0x5361, // 卡, #327 + 0x5370, // 印, #498 + 0x5373, // 即, #351 + 0x539F, // 原, #237 + 0x53BB, // 去, #190 + 0x53C3, // 參, #444 + 0x53C8, // 又, #426 + 0x53CA, // 及, #136 + 0x53CB, // 友, #142 + 0x53D6, // 取, #422 + 0x53D7, // 受, #410 + 0x53E3, // 口, #357 + 0x53EA, // 只, #250 + 0x53EF, // 可, #35 + 0x53F0, // 台, #34 + 0x53F8, // 司, #226 + 0x5403, // 吃, #362 + 0x5404, // 各, #454 + 0x5408, // 合, #147 + 0x540C, // 同, #173 + 0x540D, // 名, #108 + 0x544A, // 告, #186 + 0x548C, // 和, #130 + 0x54C1, // 品, #23 + 0x54E1, // 員, #150 + 0x5546, // 商, #75 + 0x554F, // 問, #120 + 0x559C, // 喜, #502 + 0x55AE, // 單, #210 + 0x55CE, // 嗎, #443 + 0x5668, // 器, #305 + 0x56DB, // 四, #318 + 0x56DE, // 回, #59 + 0x56E0, // 因, #253 + 0x570B, // 國, #21 + 0x5712, // 園, #345 + 0x5716, // 圖, #73 + 0x5718, // 團, #338 + 0x5728, // 在, #11 + 0x5730, // 地, #50 + 0x578B, // 型, #270 + 0x57CE, // 城, #466 + 0x57FA, // 基, #349 + 0x5831, // 報, #127 + 0x5834, // 場, #165 + 0x58EB, // 士, #372 + 0x5916, // 外, #152 + 0x591A, // 多, #54 + 0x5927, // 大, #8 + 0x5929, // 天, #43 + 0x592A, // 太, #343 + 0x5947, // 奇, #325 + 0x5973, // 女, #85 + 0x5979, // 她, #420 + 0x597D, // 好, #22 + 0x5982, // 如, #144 + 0x5B50, // 子, #46 + 0x5B57, // 字, #275 + 0x5B78, // 學, #49 + 0x5B89, // 安, #239 + 0x5B8C, // 完, #320 + 0x5B9A, // 定, #159 + 0x5BA2, // 客, #188 + 0x5BB6, // 家, #31 + 0x5BB9, // 容, #244 + 0x5BE6, // 實, #198 + 0x5BF6, // 寶, #367 + 0x5C07, // 將, #232 + 0x5C08, // 專, #133 + 0x5C0B, // 尋, #352 + 0x5C0D, // 對, #126 + 0x5C0E, // 導, #418 + 0x5C0F, // 小, #20 + 0x5C11, // 少, #368 + 0x5C31, // 就, #63 + 0x5C55, // 展, #341 + 0x5C71, // 山, #273 + 0x5DE5, // 工, #121 + 0x5DF1, // 己, #402 + 0x5DF2, // 已, #299 + 0x5E02, // 市, #81 + 0x5E2B, // 師, #262 + 0x5E36, // 帶, #470 + 0x5E38, // 常, #303 + 0x5E73, // 平, #297 + 0x5E74, // 年, #30 + 0x5E97, // 店, #171 + 0x5EA6, // 度, #220 + 0x5EB7, // 康, #441 + 0x5EE3, // 廣, #279 + 0x5EFA, // 建, #254 + 0x5F0F, // 式, #155 + 0x5F15, // 引, #346 + 0x5F35, // 張, #366 + 0x5F37, // 強, #437 + 0x5F71, // 影, #94 + 0x5F88, // 很, #177 + 0x5F8C, // 後, #66 + 0x5F97, // 得, #113 + 0x5F9E, // 從, #436 + 0x5FC3, // 心, #57 + 0x5FEB, // 快, #292 + 0x6027, // 性, #175 + 0x606F, // 息, #378 + 0x60A8, // 您, #252 + 0x60C5, // 情, #123 + 0x60F3, // 想, #178 + 0x610F, // 意, #168 + 0x611B, // 愛, #125 + 0x611F, // 感, #211 + 0x61C9, // 應, #164 + 0x6210, // 成, #86 + 0x6211, // 我, #7 + 0x6216, // 或, #199 + 0x6230, // 戰, #438 + 0x6232, // 戲, #309 + 0x6236, // 戶, #497 + 0x623F, // 房, #274 + 0x6240, // 所, #79 + 0x624B, // 手, #68 + 0x624D, // 才, #400 + 0x6253, // 打, #278 + 0x627E, // 找, #449 + 0x6280, // 技, #332 + 0x6295, // 投, #425 + 0x62C9, // 拉, #500 + 0x62CD, // 拍, #398 + 0x6307, // 指, #407 + 0x6392, // 排, #458 + 0x63A5, // 接, #326 + 0x63A8, // 推, #153 + 0x63D0, // 提, #235 + 0x641C, // 搜, #314 + 0x6469, // 摩, #472 + 0x6536, // 收, #249 + 0x6539, // 改, #508 + 0x653E, // 放, #331 + 0x653F, // 政, #295 + 0x6559, // 教, #184 + 0x6574, // 整, #394 + 0x6578, // 數, #134 + 0x6587, // 文, #16 + 0x6599, // 料, #167 + 0x65AF, // 斯, #476 + 0x65B0, // 新, #10 + 0x65B9, // 方, #96 + 0x65BC, // 於, #70 + 0x65C5, // 旅, #289 + 0x65E5, // 日, #18 + 0x660E, // 明, #118 + 0x6613, // 易, #482 + 0x661F, // 星, #205 + 0x662F, // 是, #5 + 0x6642, // 時, #13 + 0x66F4, // 更, #149 + 0x66F8, // 書, #209 + 0x6700, // 最, #51 + 0x6703, // 會, #14 + 0x6708, // 月, #25 + 0x6709, // 有, #4 + 0x670D, // 服, #99 + 0x671F, // 期, #139 + 0x672A, // 未, #404 + 0x672C, // 本, #45 + 0x6771, // 東, #221 + 0x677F, // 板, #364 + 0x6797, // 林, #330 + 0x679C, // 果, #179 + 0x67E5, // 查, #283 + 0x683C, // 格, #157 + 0x6848, // 案, #392 + 0x689D, // 條, #406 + 0x696D, // 業, #103 + 0x6A02, // 樂, #116 + 0x6A13, // 樓, #411 + 0x6A19, // 標, #384 + 0x6A23, // 樣, #306 + 0x6A5F, // 機, #40 + 0x6AA2, // 檢, #359 + 0x6B0A, // 權, #228 + 0x6B21, // 次, #227 + 0x6B3E, // 款, #276 + 0x6B4C, // 歌, #496 + 0x6B61, // 歡, #427 + 0x6B63, // 正, #206 + 0x6B64, // 此, #247 + 0x6BCF, // 每, #391 + 0x6BD4, // 比, #257 + 0x6C11, // 民, #230 + 0x6C23, // 氣, #200 + 0x6C34, // 水, #140 + 0x6C42, // 求, #501 + 0x6C92, // 沒, #162 + 0x6CD5, // 法, #89 + 0x6D3B, // 活, #124 + 0x6D41, // 流, #315 + 0x6D77, // 海, #258 + 0x6D88, // 消, #342 + 0x6E05, // 清, #329 + 0x6E2F, // 港, #293 + 0x6F14, // 演, #491 + 0x7063, // 灣, #195 + 0x70BA, // 為, #39 + 0x7121, // 無, #107 + 0x7136, // 然, #215 + 0x7167, // 照, #376 + 0x71B1, // 熱, #245 + 0x7247, // 片, #90 + 0x7248, // 版, #112 + 0x724C, // 牌, #467 + 0x7269, // 物, #110 + 0x7279, // 特, #183 + 0x738B, // 王, #287 + 0x73A9, // 玩, #354 + 0x73FE, // 現, #143 + 0x7403, // 球, #350 + 0x7406, // 理, #105 + 0x751F, // 生, #24 + 0x7522, // 產, #201 + 0x7528, // 用, #17 + 0x7531, // 由, #288 + 0x7537, // 男, #298 + 0x754C, // 界, #399 + 0x7559, // 留, #218 + 0x756B, // 畫, #412 + 0x7576, // 當, #185 + 0x767B, // 登, #138 + 0x767C, // 發, #28 + 0x767D, // 白, #377 + 0x767E, // 百, #393 + 0x7684, // 的, #1 + 0x76EE, // 目, #271 + 0x76F4, // 直, #379 + 0x76F8, // 相, #98 + 0x770B, // 看, #52 + 0x771F, // 真, #180 + 0x773C, // 眼, #433 + 0x77E5, // 知, #170 + 0x78BC, // 碼, #481 + 0x793A, // 示, #353 + 0x793E, // 社, #333 + 0x795E, // 神, #304 + 0x7968, // 票, #477 + 0x798F, // 福, #494 + 0x79C1, // 私, #507 + 0x79D1, // 科, #280 + 0x7A0B, // 程, #272 + 0x7A2E, // 種, #337 + 0x7A4D, // 積, #385 + 0x7A7A, // 空, #324 + 0x7ACB, // 立, #286 + 0x7AD9, // 站, #117 + 0x7AE0, // 章, #141 + 0x7B2C, // 第, #135 + 0x7B49, // 等, #240 + 0x7BA1, // 管, #340 + 0x7BC0, // 節, #431 + 0x7BC7, // 篇, #479 + 0x7C21, // 簡, #499 + 0x7CBE, // 精, #213 + 0x7CFB, // 系, #212 + 0x7D04, // 約, #462 + 0x7D05, // 紅, #452 + 0x7D1A, // 級, #267 + 0x7D30, // 細, #486 + 0x7D44, // 組, #335 + 0x7D50, // 結, #243 + 0x7D66, // 給, #355 + 0x7D71, // 統, #375 + 0x7D93, // 經, #111 + 0x7DB2, // 網, #32 + 0x7DDA, // 線, #151 + 0x7E23, // 縣, #439 + 0x7E3D, // 總, #370 + 0x7F8E, // 美, #41 + 0x7FA9, // 義, #504 + 0x8001, // 老, #290 + 0x8003, // 考, #428 + 0x8005, // 者, #92 + 0x800C, // 而, #217 + 0x805E, // 聞, #181 + 0x806F, // 聯, #310 + 0x8072, // 聲, #413 + 0x80A1, // 股, #390 + 0x80B2, // 育, #453 + 0x80FD, // 能, #71 + 0x8166, // 腦, #408 + 0x81EA, // 自, #61 + 0x81F3, // 至, #344 + 0x8207, // 與, #84 + 0x8209, // 舉, #463 + 0x8272, // 色, #192 + 0x82B1, // 花, #255 + 0x82F1, // 英, #348 + 0x83EF, // 華, #196 + 0x842C, // 萬, #316 + 0x843D, // 落, #308 + 0x8457, // 著, #233 + 0x85A6, // 薦, #401 + 0x85CF, // 藏, #503 + 0x85DD, // 藝, #488 + 0x8655, // 處, #419 + 0x865F, // 號, #191 + 0x884C, // 行, #47 + 0x8853, // 術, #395 + 0x8868, // 表, #77 + 0x88AB, // 被, #291 + 0x88DD, // 裝, #256 + 0x88E1, // 裡, #369 + 0x88FD, // 製, #510 + 0x897F, // 西, #300 + 0x8981, // 要, #36 + 0x898B, // 見, #307 + 0x8996, // 視, #204 + 0x89BA, // 覺, #450 + 0x89BD, // 覽, #387 + 0x89C0, // 觀, #365 + 0x89E3, // 解, #323 + 0x8A00, // 言, #169 + 0x8A02, // 訂, #423 + 0x8A08, // 計, #225 + 0x8A0A, // 訊, #156 + 0x8A0E, // 討, #373 + 0x8A18, // 記, #222 + 0x8A2D, // 設, #174 + 0x8A3B, // 註, #356 + 0x8A55, // 評, #246 + 0x8A66, // 試, #448 + 0x8A71, // 話, #229 + 0x8A72, // 該, #446 + 0x8A8D, // 認, #464 + 0x8A9E, // 語, #371 + 0x8AAA, // 說, #91 + 0x8ABF, // 調, #509 + 0x8ACB, // 請, #119 + 0x8AD6, // 論, #114 + 0x8B1D, // 謝, #389 + 0x8B49, // 證, #429 + 0x8B58, // 識, #416 + 0x8B70, // 議, #485 + 0x8B77, // 護, #475 + 0x8B80, // 讀, #386 + 0x8B8A, // 變, #388 + 0x8B93, // 讓, #336 + 0x8CA8, // 貨, #313 + 0x8CB7, // 買, #260 + 0x8CBB, // 費, #203 + 0x8CC7, // 資, #62 + 0x8CE3, // 賣, #294 + 0x8CEA, // 質, #457 + 0x8CFC, // 購, #189 + 0x8D77, // 起, #214 + 0x8D85, // 超, #296 + 0x8DDF, // 跟, #489 + 0x8DEF, // 路, #137 + 0x8EAB, // 身, #197 + 0x8ECA, // 車, #76 + 0x8F09, // 載, #301 + 0x8F49, // 轉, #282 + 0x8FD1, // 近, #414 + 0x9001, // 送, #363 + 0x9019, // 這, #42 + 0x901A, // 通, #207 + 0x901F, // 速, #495 + 0x9020, // 造, #455 + 0x9023, // 連, #285 + 0x9032, // 進, #231 + 0x904A, // 遊, #132 + 0x904B, // 運, #219 + 0x904E, // 過, #101 + 0x9053, // 道, #146 + 0x9054, // 達, #417 + 0x9078, // 選, #182 + 0x9084, // 還, #154 + 0x908A, // 邊, #487 + 0x90A3, // 那, #269 + 0x90E8, // 部, #78 + 0x90FD, // 都, #104 + 0x914D, // 配, #421 + 0x9152, // 酒, #512 + 0x91AB, // 醫, #358 + 0x91CD, // 重, #224 + 0x91CF, // 量, #319 + 0x91D1, // 金, #115 + 0x9304, // 錄, #302 + 0x9577, // 長, #172 + 0x9580, // 門, #193 + 0x958B, // 開, #72 + 0x9593, // 間, #80 + 0x95B1, // 閱, #405 + 0x95DC, // 關, #74 + 0x963F, // 阿, #460 + 0x9650, // 限, #265 + 0x9662, // 院, #474 + 0x9664, // 除, #478 + 0x969B, // 際, #459 + 0x96C6, // 集, #347 + 0x96E2, // 離, #442 + 0x96FB, // 電, #33 + 0x9700, // 需, #445 + 0x975E, // 非, #451 + 0x9762, // 面, #129 + 0x97F3, // 音, #194 + 0x9801, // 頁, #83 + 0x982D, // 頭, #238 + 0x984C, // 題, #122 + 0x985E, // 類, #163 + 0x98A8, // 風, #266 + 0x98DF, // 食, #208 + 0x9910, // 餐, #469 + 0x9928, // 館, #424 + 0x9996, // 首, #166 + 0x9999, // 香, #263 + 0x99AC, // 馬, #317 + 0x9A57, // 驗, #492 + 0x9AD4, // 體, #100 + 0x9AD8, // 高, #88 + 0x9EBC, // 麼, #241 + 0x9EC3, // 黃, #480 + 0x9ED1, // 黑, #490 + 0x9EDE, // 點, #69 + 0x9F8D, // 龍, #505 +}; +// the percentage of the sample covered by the above characters +static const float frequent_zhTW_coverage=0.704841200026877; + +// The 512 most frequently occuring characters for the ja language in a sample of the Internet. +// Ordered by codepoint, comment shows character and ranking by frequency +const uint16_t frequent_ja[] = { + 0x3005, // 々, #352 + 0x3041, // ぁ, #486 + 0x3042, // あ, #50 + 0x3044, // い, #2 + 0x3046, // う, #33 + 0x3048, // え, #83 + 0x304A, // お, #37 + 0x304B, // か, #21 + 0x304C, // が, #17 + 0x304D, // き, #51 + 0x304E, // ぎ, #324 + 0x304F, // く, #38 + 0x3050, // ぐ, #334 + 0x3051, // け, #60 + 0x3052, // げ, #296 + 0x3053, // こ, #34 + 0x3054, // ご, #100 + 0x3055, // さ, #31 + 0x3056, // ざ, #378 + 0x3057, // し, #4 + 0x3058, // じ, #121 + 0x3059, // す, #12 + 0x305A, // ず, #215 + 0x305B, // せ, #86 + 0x305D, // そ, #68 + 0x305F, // た, #11 + 0x3060, // だ, #42 + 0x3061, // ち, #67 + 0x3063, // っ, #23 + 0x3064, // つ, #73 + 0x3066, // て, #7 + 0x3067, // で, #6 + 0x3068, // と, #14 + 0x3069, // ど, #75 + 0x306A, // な, #8 + 0x306B, // に, #5 + 0x306D, // ね, #123 + 0x306E, // の, #1 + 0x306F, // は, #16 + 0x3070, // ば, #150 + 0x3071, // ぱ, #259 + 0x3072, // ひ, #364 + 0x3073, // び, #266 + 0x3075, // ふ, #484 + 0x3076, // ぶ, #330 + 0x3078, // へ, #146 + 0x3079, // べ, #207 + 0x307B, // ほ, #254 + 0x307E, // ま, #18 + 0x307F, // み, #74 + 0x3080, // む, #285 + 0x3081, // め, #78 + 0x3082, // も, #32 + 0x3083, // ゃ, #111 + 0x3084, // や, #85 + 0x3086, // ゆ, #392 + 0x3087, // ょ, #224 + 0x3088, // よ, #63 + 0x3089, // ら, #29 + 0x308A, // り, #28 + 0x308B, // る, #9 + 0x308C, // れ, #35 + 0x308D, // ろ, #127 + 0x308F, // わ, #88 + 0x3092, // を, #19 + 0x3093, // ん, #22 + 0x30A1, // ァ, #193 + 0x30A2, // ア, #27 + 0x30A3, // ィ, #70 + 0x30A4, // イ, #15 + 0x30A6, // ウ, #89 + 0x30A7, // ェ, #134 + 0x30A8, // エ, #81 + 0x30A9, // ォ, #225 + 0x30AA, // オ, #76 + 0x30AB, // カ, #52 + 0x30AC, // ガ, #147 + 0x30AD, // キ, #66 + 0x30AE, // ギ, #246 + 0x30AF, // ク, #25 + 0x30B0, // グ, #39 + 0x30B1, // ケ, #137 + 0x30B2, // ゲ, #200 + 0x30B3, // コ, #46 + 0x30B4, // ゴ, #183 + 0x30B5, // サ, #64 + 0x30B6, // ザ, #221 + 0x30B7, // シ, #48 + 0x30B8, // ジ, #55 + 0x30B9, // ス, #13 + 0x30BA, // ズ, #103 + 0x30BB, // セ, #109 + 0x30BC, // ゼ, #499 + 0x30BD, // ソ, #175 + 0x30BF, // タ, #45 + 0x30C0, // ダ, #104 + 0x30C1, // チ, #71 + 0x30C3, // ッ, #20 + 0x30C4, // ツ, #119 + 0x30C6, // テ, #59 + 0x30C7, // デ, #82 + 0x30C8, // ト, #10 + 0x30C9, // ド, #44 + 0x30CA, // ナ, #102 + 0x30CB, // ニ, #72 + 0x30CD, // ネ, #117 + 0x30CE, // ノ, #192 + 0x30CF, // ハ, #164 + 0x30D0, // バ, #62 + 0x30D1, // パ, #90 + 0x30D2, // ヒ, #398 + 0x30D3, // ビ, #77 + 0x30D4, // ピ, #135 + 0x30D5, // フ, #47 + 0x30D6, // ブ, #56 + 0x30D7, // プ, #43 + 0x30D8, // ヘ, #268 + 0x30D9, // ベ, #157 + 0x30DA, // ペ, #125 + 0x30DB, // ホ, #155 + 0x30DC, // ボ, #168 + 0x30DD, // ポ, #114 + 0x30DE, // マ, #57 + 0x30DF, // ミ, #97 + 0x30E0, // ム, #69 + 0x30E1, // メ, #53 + 0x30E2, // モ, #142 + 0x30E3, // ャ, #93 + 0x30E4, // ヤ, #258 + 0x30E5, // ュ, #79 + 0x30E6, // ユ, #405 + 0x30E7, // ョ, #98 + 0x30E9, // ラ, #26 + 0x30EA, // リ, #30 + 0x30EB, // ル, #24 + 0x30EC, // レ, #41 + 0x30ED, // ロ, #40 + 0x30EF, // ワ, #144 + 0x30F3, // ン, #3 + 0x30F4, // ヴ, #483 + 0x30FD, // ヽ, #501 + 0x4E00, // 一, #84 + 0x4E07, // 万, #337 + 0x4E09, // 三, #323 + 0x4E0A, // 上, #133 + 0x4E0B, // 下, #180 + 0x4E0D, // 不, #277 + 0x4E16, // 世, #385 + 0x4E2D, // 中, #87 + 0x4E3B, // 主, #432 + 0x4E88, // 予, #326 + 0x4E8B, // 事, #95 + 0x4E8C, // 二, #394 + 0x4E95, // 井, #468 + 0x4EA4, // 交, #410 + 0x4EAC, // 京, #260 + 0x4EBA, // 人, #61 + 0x4ECA, // 今, #184 + 0x4ECB, // 介, #358 + 0x4ED5, // 仕, #391 + 0x4ED6, // 他, #256 + 0x4ED8, // 付, #243 + 0x4EE3, // 代, #280 + 0x4EE5, // 以, #216 + 0x4EF6, // 件, #190 + 0x4F1A, // 会, #105 + 0x4F4D, // 位, #177 + 0x4F4F, // 住, #376 + 0x4F53, // 体, #223 + 0x4F55, // 何, #294 + 0x4F5C, // 作, #154 + 0x4F7F, // 使, #233 + 0x4F9B, // 供, #503 + 0x4FA1, // 価, #217 + 0x4FBF, // 便, #511 + 0x4FDD, // 保, #279 + 0x4FE1, // 信, #271 + 0x500B, // 個, #415 + 0x50CF, // 像, #178 + 0x512A, // 優, #403 + 0x5143, // 元, #384 + 0x5148, // 先, #311 + 0x5149, // 光, #488 + 0x5165, // 入, #115 + 0x5168, // 全, #173 + 0x516C, // 公, #287 + 0x5177, // 具, #447 + 0x5185, // 内, #169 + 0x5186, // 円, #131 + 0x5199, // 写, #275 + 0x51FA, // 出, #110 + 0x5206, // 分, #130 + 0x5207, // 切, #401 + 0x521D, // 初, #319 + 0x5225, // 別, #290 + 0x5229, // 利, #226 + 0x5236, // 制, #507 + 0x524D, // 前, #124 + 0x529B, // 力, #272 + 0x52A0, // 加, #249 + 0x52D5, // 動, #120 + 0x52D9, // 務, #421 + 0x52DF, // 募, #476 + 0x5316, // 化, #308 + 0x5317, // 北, #341 + 0x533A, // 区, #348 + 0x539F, // 原, #321 + 0x53C2, // 参, #452 + 0x53CB, // 友, #451 + 0x53D6, // 取, #237 + 0x53D7, // 受, #354 + 0x53E3, // 口, #289 + 0x53E4, // 古, #339 + 0x53EF, // 可, #298 + 0x53F0, // 台, #439 + 0x53F7, // 号, #361 + 0x5408, // 合, #118 + 0x540C, // 同, #263 + 0x540D, // 名, #65 + 0x5411, // 向, #434 + 0x544A, // 告, #386 + 0x5468, // 周, #393 + 0x5473, // 味, #299 + 0x548C, // 和, #350 + 0x54C1, // 品, #96 + 0x54E1, // 員, #293 + 0x5546, // 商, #198 + 0x554F, // 問, #158 + 0x55B6, // 営, #438 + 0x5668, // 器, #366 + 0x56DE, // 回, #143 + 0x56F3, // 図, #444 + 0x56FD, // 国, #153 + 0x5712, // 園, #435 + 0x571F, // 土, #239 + 0x5728, // 在, #351 + 0x5730, // 地, #163 + 0x578B, // 型, #430 + 0x5831, // 報, #112 + 0x5834, // 場, #139 + 0x58F2, // 売, #232 + 0x5909, // 変, #306 + 0x5916, // 外, #222 + 0x591A, // 多, #336 + 0x5927, // 大, #80 + 0x5929, // 天, #278 + 0x5973, // 女, #161 + 0x597D, // 好, #349 + 0x5A5A, // 婚, #479 + 0x5B50, // 子, #113 + 0x5B57, // 字, #492 + 0x5B66, // 学, #132 + 0x5B89, // 安, #295 + 0x5B9A, // 定, #145 + 0x5B9F, // 実, #220 + 0x5BA4, // 室, #482 + 0x5BAE, // 宮, #487 + 0x5BB6, // 家, #211 + 0x5BB9, // 容, #333 + 0x5BFE, // 対, #252 + 0x5C02, // 専, #474 + 0x5C0F, // 小, #212 + 0x5C11, // 少, #377 + 0x5C4B, // 屋, #284 + 0x5C71, // 山, #206 + 0x5CA1, // 岡, #429 + 0x5CF6, // 島, #297 + 0x5DDD, // 川, #253 + 0x5DE5, // 工, #374 + 0x5E02, // 市, #159 + 0x5E2F, // 帯, #416 + 0x5E38, // 常, #437 + 0x5E73, // 平, #390 + 0x5E74, // 年, #54 + 0x5E83, // 広, #367 + 0x5E97, // 店, #149 + 0x5EA6, // 度, #269 + 0x5EAB, // 庫, #380 + 0x5F0F, // 式, #265 + 0x5F15, // 引, #345 + 0x5F37, // 強, #446 + 0x5F53, // 当, #240 + 0x5F62, // 形, #502 + 0x5F8C, // 後, #230 + 0x5F97, // 得, #490 + 0x5FC3, // 心, #307 + 0x5FC5, // 必, #422 + 0x5FDC, // 応, #356 + 0x601D, // 思, #189 + 0x6027, // 性, #201 + 0x6075, // 恵, #400 + 0x60C5, // 情, #140 + 0x60F3, // 想, #477 + 0x610F, // 意, #305 + 0x611B, // 愛, #273 + 0x611F, // 感, #257 + 0x6210, // 成, #262 + 0x6226, // 戦, #365 + 0x6240, // 所, #236 + 0x624B, // 手, #160 + 0x6295, // 投, #129 + 0x6301, // 持, #355 + 0x6307, // 指, #425 + 0x63A2, // 探, #369 + 0x63B2, // 掲, #399 + 0x643A, // 携, #459 + 0x652F, // 支, #512 + 0x653E, // 放, #469 + 0x6559, // 教, #270 + 0x6570, // 数, #181 + 0x6587, // 文, #202 + 0x6599, // 料, #106 + 0x65B0, // 新, #99 + 0x65B9, // 方, #126 + 0x65C5, // 旅, #445 + 0x65E5, // 日, #36 + 0x660E, // 明, #300 + 0x6620, // 映, #418 + 0x6642, // 時, #107 + 0x66F4, // 更, #359 + 0x66F8, // 書, #174 + 0x6700, // 最, #152 + 0x6708, // 月, #49 + 0x6709, // 有, #302 + 0x671F, // 期, #332 + 0x6728, // 木, #203 + 0x672C, // 本, #92 + 0x6750, // 材, #489 + 0x6751, // 村, #466 + 0x6765, // 来, #267 + 0x6771, // 東, #191 + 0x677F, // 板, #411 + 0x679C, // 果, #441 + 0x6821, // 校, #327 + 0x682A, // 株, #412 + 0x683C, // 格, #228 + 0x691C, // 検, #179 + 0x696D, // 業, #166 + 0x697D, // 楽, #172 + 0x69D8, // 様, #255 + 0x6A5F, // 機, #235 + 0x6B21, // 次, #318 + 0x6B62, // 止, #475 + 0x6B63, // 正, #312 + 0x6C17, // 気, #116 + 0x6C34, // 水, #165 + 0x6C42, // 求, #465 + 0x6C7A, // 決, #370 + 0x6CBB, // 治, #505 + 0x6CC1, // 況, #462 + 0x6CD5, // 法, #227 + 0x6CE8, // 注, #372 + 0x6D3B, // 活, #303 + 0x6D41, // 流, #480 + 0x6D77, // 海, #274 + 0x6E08, // 済, #417 + 0x6F14, // 演, #504 + 0x706B, // 火, #264 + 0x70B9, // 点, #331 + 0x7121, // 無, #58 + 0x7248, // 版, #409 + 0x7269, // 物, #170 + 0x7279, // 特, #242 + 0x72B6, // 状, #458 + 0x73FE, // 現, #322 + 0x7406, // 理, #162 + 0x751F, // 生, #122 + 0x7523, // 産, #320 + 0x7528, // 用, #94 + 0x7530, // 田, #195 + 0x7537, // 男, #373 + 0x753A, // 町, #314 + 0x753B, // 画, #91 + 0x754C, // 界, #436 + 0x756A, // 番, #261 + 0x75C5, // 病, #428 + 0x767A, // 発, #194 + 0x767B, // 登, #231 + 0x767D, // 白, #419 + 0x7684, // 的, #251 + 0x76EE, // 目, #197 + 0x76F4, // 直, #497 + 0x76F8, // 相, #286 + 0x770C, // 県, #199 + 0x771F, // 真, #219 + 0x7740, // 着, #283 + 0x77E5, // 知, #185 + 0x77F3, // 石, #500 + 0x78BA, // 確, #383 + 0x793A, // 示, #241 + 0x793E, // 社, #167 + 0x795E, // 神, #315 + 0x798F, // 福, #423 + 0x79C1, // 私, #347 + 0x79D1, // 科, #420 + 0x7A0E, // 税, #368 + 0x7A2E, // 種, #455 + 0x7A3F, // 稿, #148 + 0x7A7A, // 空, #427 + 0x7ACB, // 立, #309 + 0x7B11, // 笑, #454 + 0x7B2C, // 第, #317 + 0x7B49, // 等, #457 + 0x7B54, // 答, #426 + 0x7BA1, // 管, #481 + 0x7CFB, // 系, #408 + 0x7D04, // 約, #276 + 0x7D20, // 素, #407 + 0x7D22, // 索, #214 + 0x7D30, // 細, #381 + 0x7D39, // 紹, #471 + 0x7D42, // 終, #456 + 0x7D44, // 組, #424 + 0x7D4C, // 経, #360 + 0x7D50, // 結, #291 + 0x7D9A, // 続, #357 + 0x7DCF, // 総, #467 + 0x7DDA, // 線, #338 + 0x7DE8, // 編, #453 + 0x7F8E, // 美, #204 + 0x8003, // 考, #387 + 0x8005, // 者, #151 + 0x805E, // 聞, #463 + 0x8077, // 職, #363 + 0x80B2, // 育, #433 + 0x80FD, // 能, #250 + 0x8179, // 腹, #396 + 0x81EA, // 自, #156 + 0x826F, // 良, #329 + 0x8272, // 色, #402 + 0x82B1, // 花, #440 + 0x82B8, // 芸, #413 + 0x82F1, // 英, #485 + 0x8449, // 葉, #472 + 0x884C, // 行, #128 + 0x8853, // 術, #460 + 0x8868, // 表, #209 + 0x88FD, // 製, #431 + 0x897F, // 西, #406 + 0x8981, // 要, #313 + 0x898B, // 見, #101 + 0x898F, // 規, #375 + 0x89A7, // 覧, #171 + 0x89E3, // 解, #388 + 0x8A00, // 言, #210 + 0x8A08, // 計, #343 + 0x8A18, // 記, #136 + 0x8A2D, // 設, #292 + 0x8A71, // 話, #213 + 0x8A73, // 詳, #371 + 0x8A8D, // 認, #404 + 0x8A9E, // 語, #234 + 0x8AAC, // 説, #494 + 0x8AAD, // 読, #301 + 0x8ABF, // 調, #443 + 0x8AC7, // 談, #448 + 0x8B77, // 護, #509 + 0x8C37, // 谷, #506 + 0x8CA9, // 販, #362 + 0x8CB7, // 買, #346 + 0x8CC7, // 資, #473 + 0x8CEA, // 質, #281 + 0x8CFC, // 購, #495 + 0x8EAB, // 身, #470 + 0x8ECA, // 車, #205 + 0x8EE2, // 転, #335 + 0x8F09, // 載, #342 + 0x8FBC, // 込, #229 + 0x8FD1, // 近, #304 + 0x8FD4, // 返, #461 + 0x8FFD, // 追, #379 + 0x9001, // 送, #186 + 0x901A, // 通, #182 + 0x901F, // 速, #340 + 0x9023, // 連, #244 + 0x904B, // 運, #382 + 0x904E, // 過, #498 + 0x9053, // 道, #282 + 0x9054, // 達, #450 + 0x9055, // 違, #414 + 0x9078, // 選, #288 + 0x90E8, // 部, #208 + 0x90FD, // 都, #344 + 0x914D, // 配, #389 + 0x91CD, // 重, #478 + 0x91CE, // 野, #245 + 0x91D1, // 金, #138 + 0x9332, // 録, #238 + 0x9577, // 長, #247 + 0x9580, // 門, #508 + 0x958B, // 開, #248 + 0x9593, // 間, #141 + 0x95A2, // 関, #188 + 0x962A, // 阪, #496 + 0x9650, // 限, #395 + 0x9662, // 院, #449 + 0x9664, // 除, #510 + 0x969B, // 際, #493 + 0x96C6, // 集, #196 + 0x96D1, // 雑, #442 + 0x96FB, // 電, #187 + 0x9762, // 面, #328 + 0x97F3, // 音, #325 + 0x984C, // 題, #310 + 0x985E, // 類, #491 + 0x98A8, // 風, #353 + 0x98DF, // 食, #218 + 0x9928, // 館, #464 + 0x99C5, // 駅, #316 + 0x9A13, // 験, #397 + 0x9AD8, // 高, #176 + 0xFF57, // ｗ, #108 +}; +// the percentage of the sample covered by the above characters +static const float frequent_ja_coverage=0.880569589120162; + +// The 512 most frequently occuring characters for the ko language in a sample of the Internet. +// Ordered by codepoint, comment shows character and ranking by frequency +const uint16_t frequent_ko[] = { + 0x314B, // ㅋ, #148 + 0x314E, // ㅎ, #390 + 0x3160, // ㅠ, #354 + 0x318D, // ㆍ, #439 + 0xAC00, // 가, #6 + 0xAC01, // 각, #231 + 0xAC04, // 간, #106 + 0xAC08, // 갈, #362 + 0xAC10, // 감, #122 + 0xAC11, // 갑, #493 + 0xAC15, // 강, #155 + 0xAC19, // 같, #264 + 0xAC1C, // 개, #87 + 0xAC1D, // 객, #198 + 0xAC24, // 갤, #457 + 0xAC70, // 거, #91 + 0xAC74, // 건, #161 + 0xAC78, // 걸, #338 + 0xAC80, // 검, #184 + 0xAC83, // 것, #116 + 0xAC8C, // 게, #36 + 0xACA0, // 겠, #233 + 0xACA8, // 겨, #341 + 0xACA9, // 격, #245 + 0xACAC, // 견, #413 + 0xACB0, // 결, #202 + 0xACBD, // 경, #62 + 0xACC4, // 계, #142 + 0xACE0, // 고, #12 + 0xACE1, // 곡, #444 + 0xACE8, // 골, #379 + 0xACF3, // 곳, #388 + 0xACF5, // 공, #59 + 0xACFC, // 과, #69 + 0xAD00, // 관, #95 + 0xAD11, // 광, #235 + 0xAD50, // 교, #128 + 0xAD6C, // 구, #52 + 0xAD6D, // 국, #85 + 0xAD70, // 군, #293 + 0xAD74, // 굴, #487 + 0xAD81, // 궁, #441 + 0xAD8C, // 권, #192 + 0xADC0, // 귀, #386 + 0xADDC, // 규, #367 + 0xADF8, // 그, #30 + 0xADF9, // 극, #424 + 0xADFC, // 근, #241 + 0xAE00, // 글, #61 + 0xAE08, // 금, #138 + 0xAE09, // 급, #269 + 0xAE30, // 기, #3 + 0xAE34, // 긴, #465 + 0xAE38, // 길, #297 + 0xAE40, // 김, #205 + 0xAE4C, // 까, #171 + 0xAED8, // 께, #273 + 0xAF43, // 꽃, #475 + 0xB05D, // 끝, #505 + 0xB07C, // 끼, #490 + 0xB098, // 나, #39 + 0xB09C, // 난, #274 + 0xB0A0, // 날, #292 + 0xB0A8, // 남, #139 + 0xB0B4, // 내, #56 + 0xB108, // 너, #272 + 0xB110, // 널, #476 + 0xB118, // 넘, #492 + 0xB124, // 네, #100 + 0xB137, // 넷, #329 + 0xB140, // 녀, #288 + 0xB144, // 년, #151 + 0xB178, // 노, #149 + 0xB17C, // 논, #491 + 0xB180, // 놀, #464 + 0xB18D, // 농, #442 + 0xB204, // 누, #319 + 0xB208, // 눈, #383 + 0xB274, // 뉴, #173 + 0xB290, // 느, #368 + 0xB294, // 는, #5 + 0xB298, // 늘, #322 + 0xB2A5, // 능, #190 + 0xB2C8, // 니, #16 + 0xB2D8, // 님, #153 + 0xB2E4, // 다, #2 + 0xB2E8, // 단, #134 + 0xB2EB, // 닫, #195 + 0xB2EC, // 달, #243 + 0xB2F4, // 담, #254 + 0xB2F5, // 답, #287 + 0xB2F9, // 당, #159 + 0xB300, // 대, #33 + 0xB313, // 댓, #303 + 0xB354, // 더, #140 + 0xB358, // 던, #252 + 0xB367, // 덧, #463 + 0xB370, // 데, #104 + 0xB378, // 델, #429 + 0xB3C4, // 도, #25 + 0xB3C5, // 독, #301 + 0xB3CC, // 돌, #309 + 0xB3D9, // 동, #58 + 0xB418, // 되, #82 + 0xB41C, // 된, #189 + 0xB420, // 될, #408 + 0xB429, // 됩, #332 + 0xB450, // 두, #199 + 0xB4A4, // 뒤, #496 + 0xB4DC, // 드, #40 + 0xB4E0, // 든, #283 + 0xB4E4, // 들, #54 + 0xB4EF, // 듯, #478 + 0xB4F1, // 등, #90 + 0xB514, // 디, #133 + 0xB529, // 딩, #462 + 0xB530, // 따, #333 + 0xB54C, // 때, #240 + 0xB610, // 또, #313 + 0xB77C, // 라, #42 + 0xB77D, // 락, #355 + 0xB780, // 란, #290 + 0xB78C, // 람, #246 + 0xB78D, // 랍, #420 + 0xB791, // 랑, #270 + 0xB798, // 래, #174 + 0xB799, // 랙, #381 + 0xB79C, // 랜, #357 + 0xB7A8, // 램, #359 + 0xB7A9, // 랩, #402 + 0xB7C9, // 량, #346 + 0xB7EC, // 러, #130 + 0xB7F0, // 런, #312 + 0xB7FC, // 럼, #327 + 0xB7FD, // 럽, #447 + 0xB807, // 렇, #412 + 0xB808, // 레, #114 + 0xB80C, // 렌, #395 + 0xB824, // 려, #158 + 0xB825, // 력, #194 + 0xB828, // 련, #326 + 0xB839, // 령, #389 + 0xB85C, // 로, #4 + 0xB85D, // 록, #84 + 0xB860, // 론, #366 + 0xB8CC, // 료, #154 + 0xB8E8, // 루, #236 + 0xB958, // 류, #265 + 0xB974, // 르, #212 + 0xB978, // 른, #250 + 0xB97C, // 를, #35 + 0xB984, // 름, #276 + 0xB9AC, // 리, #19 + 0xB9AD, // 릭, #394 + 0xB9B0, // 린, #259 + 0xB9B4, // 릴, #485 + 0xB9BC, // 림, #305 + 0xB9BD, // 립, #217 + 0xB9C1, // 링, #351 + 0xB9C8, // 마, #67 + 0xB9C9, // 막, #310 + 0xB9CC, // 만, #65 + 0xB9CE, // 많, #257 + 0xB9D0, // 말, #188 + 0xB9DB, // 맛, #397 + 0xB9DD, // 망, #370 + 0xB9DE, // 맞, #399 + 0xB9E4, // 매, #125 + 0xB9E8, // 맨, #422 + 0xBA38, // 머, #311 + 0xBA39, // 먹, #377 + 0xBA3C, // 먼, #469 + 0xBA54, // 메, #147 + 0xBA70, // 며, #191 + 0xBA74, // 면, #72 + 0xBA85, // 명, #131 + 0xBAA8, // 모, #73 + 0xBAA9, // 목, #157 + 0xBAB0, // 몰, #401 + 0xBAB8, // 몸, #437 + 0xBABB, // 못, #336 + 0xBB34, // 무, #80 + 0xBB38, // 문, #57 + 0xBB3C, // 물, #94 + 0xBBA4, // 뮤, #431 + 0xBBF8, // 미, #76 + 0xBBFC, // 민, #200 + 0xBC00, // 밀, #308 + 0xBC0F, // 및, #249 + 0xBC14, // 바, #89 + 0xBC15, // 박, #226 + 0xBC18, // 반, #175 + 0xBC1B, // 받, #248 + 0xBC1C, // 발, #164 + 0xBC29, // 방, #92 + 0xBC30, // 배, #162 + 0xBC31, // 백, #256 + 0xBC84, // 버, #111 + 0xBC88, // 번, #167 + 0xBC8C, // 벌, #423 + 0xBC94, // 범, #427 + 0xBC95, // 법, #207 + 0xBCA0, // 베, #281 + 0xBCA4, // 벤, #378 + 0xBCA8, // 벨, #387 + 0xBCC0, // 변, #253 + 0xBCC4, // 별, #262 + 0xBCD1, // 병, #340 + 0xBCF4, // 보, #20 + 0xBCF5, // 복, #204 + 0xBCF8, // 본, #182 + 0xBCFC, // 볼, #385 + 0xBD09, // 봉, #405 + 0xBD80, // 부, #46 + 0xBD81, // 북, #261 + 0xBD84, // 분, #105 + 0xBD88, // 불, #225 + 0xBDF0, // 뷰, #350 + 0xBE0C, // 브, #214 + 0xBE14, // 블, #99 + 0xBE44, // 비, #55 + 0xBE4C, // 빌, #510 + 0xBE60, // 빠, #398 + 0xC0AC, // 사, #14 + 0xC0AD, // 삭, #342 + 0xC0B0, // 산, #121 + 0xC0B4, // 살, #279 + 0xC0BC, // 삼, #348 + 0xC0C1, // 상, #41 + 0xC0C8, // 새, #282 + 0xC0C9, // 색, #181 + 0xC0DD, // 생, #109 + 0xC11C, // 서, #21 + 0xC11D, // 석, #234 + 0xC120, // 선, #107 + 0xC124, // 설, #170 + 0xC131, // 성, #50 + 0xC138, // 세, #60 + 0xC139, // 섹, #456 + 0xC13C, // 센, #267 + 0xC154, // 셔, #455 + 0xC158, // 션, #237 + 0xC15C, // 셜, #448 + 0xC168, // 셨, #421 + 0xC18C, // 소, #51 + 0xC18D, // 속, #219 + 0xC190, // 손, #323 + 0xC1A1, // 송, #203 + 0xC1C4, // 쇄, #501 + 0xC1FC, // 쇼, #364 + 0xC218, // 수, #27 + 0xC219, // 숙, #467 + 0xC21C, // 순, #258 + 0xC220, // 술, #302 + 0xC26C, // 쉬, #511 + 0xC288, // 슈, #384 + 0xC2A4, // 스, #11 + 0xC2AC, // 슬, #438 + 0xC2B4, // 슴, #504 + 0xC2B5, // 습, #77 + 0xC2B9, // 승, #299 + 0xC2DC, // 시, #13 + 0xC2DD, // 식, #137 + 0xC2E0, // 신, #47 + 0xC2E4, // 실, #132 + 0xC2EC, // 심, #196 + 0xC2ED, // 십, #482 + 0xC2F6, // 싶, #352 + 0xC2F8, // 싸, #419 + 0xC4F0, // 쓰, #278 + 0xC528, // 씨, #360 + 0xC544, // 아, #23 + 0xC545, // 악, #296 + 0xC548, // 안, #71 + 0xC54A, // 않, #209 + 0xC54C, // 알, #222 + 0xC554, // 암, #460 + 0xC558, // 았, #349 + 0xC559, // 앙, #473 + 0xC55E, // 앞, #434 + 0xC560, // 애, #271 + 0xC561, // 액, #415 + 0xC571, // 앱, #477 + 0xC57C, // 야, #124 + 0xC57D, // 약, #229 + 0xC591, // 양, #177 + 0xC5B4, // 어, #24 + 0xC5B5, // 억, #407 + 0xC5B8, // 언, #294 + 0xC5BC, // 얼, #356 + 0xC5C4, // 엄, #426 + 0xC5C5, // 업, #118 + 0xC5C6, // 없, #178 + 0xC5C8, // 었, #165 + 0xC5D0, // 에, #9 + 0xC5D4, // 엔, #375 + 0xC5D8, // 엘, #506 + 0xC5EC, // 여, #66 + 0xC5ED, // 역, #186 + 0xC5EE, // 엮, #488 + 0xC5F0, // 연, #96 + 0xC5F4, // 열, #266 + 0xC5FC, // 염, #449 + 0xC600, // 였, #374 + 0xC601, // 영, #83 + 0xC608, // 예, #168 + 0xC624, // 오, #75 + 0xC628, // 온, #300 + 0xC62C, // 올, #306 + 0xC640, // 와, #119 + 0xC644, // 완, #361 + 0xC654, // 왔, #489 + 0xC655, // 왕, #418 + 0xC678, // 외, #218 + 0xC694, // 요, #43 + 0xC695, // 욕, #479 + 0xC6A9, // 용, #48 + 0xC6B0, // 우, #64 + 0xC6B1, // 욱, #503 + 0xC6B4, // 운, #108 + 0xC6B8, // 울, #223 + 0xC6C0, // 움, #317 + 0xC6C3, // 웃, #404 + 0xC6CC, // 워, #280 + 0xC6D0, // 원, #45 + 0xC6D4, // 월, #150 + 0xC6E8, // 웨, #446 + 0xC6F9, // 웹, #500 + 0xC704, // 위, #78 + 0xC720, // 유, #81 + 0xC721, // 육, #321 + 0xC724, // 윤, #416 + 0xC73C, // 으, #49 + 0xC740, // 은, #31 + 0xC744, // 을, #17 + 0xC74C, // 음, #112 + 0xC751, // 응, #461 + 0xC758, // 의, #8 + 0xC774, // 이, #1 + 0xC775, // 익, #403 + 0xC778, // 인, #18 + 0xC77C, // 일, #28 + 0xC784, // 임, #160 + 0xC785, // 입, #93 + 0xC788, // 있, #44 + 0xC790, // 자, #22 + 0xC791, // 작, #88 + 0xC798, // 잘, #347 + 0xC7A1, // 잡, #372 + 0xC7A5, // 장, #53 + 0xC7AC, // 재, #120 + 0xC7C1, // 쟁, #483 + 0xC800, // 저, #98 + 0xC801, // 적, #97 + 0xC804, // 전, #34 + 0xC808, // 절, #320 + 0xC810, // 점, #201 + 0xC811, // 접, #331 + 0xC815, // 정, #26 + 0xC81C, // 제, #29 + 0xC838, // 져, #414 + 0xC870, // 조, #86 + 0xC871, // 족, #373 + 0xC874, // 존, #432 + 0xC880, // 좀, #470 + 0xC885, // 종, #208 + 0xC88B, // 좋, #239 + 0xC8E0, // 죠, #451 + 0xC8FC, // 주, #38 + 0xC8FD, // 죽, #471 + 0xC900, // 준, #286 + 0xC904, // 줄, #392 + 0xC911, // 중, #103 + 0xC988, // 즈, #255 + 0xC98C, // 즌, #507 + 0xC990, // 즐, #371 + 0xC99D, // 증, #260 + 0xC9C0, // 지, #10 + 0xC9C1, // 직, #216 + 0xC9C4, // 진, #79 + 0xC9C8, // 질, #238 + 0xC9D1, // 집, #206 + 0xC9DC, // 짜, #411 + 0xC9F8, // 째, #494 + 0xCABD, // 쪽, #435 + 0xCC28, // 차, #146 + 0xCC29, // 착, #443 + 0xCC2C, // 찬, #481 + 0xCC30, // 찰, #440 + 0xCC38, // 참, #343 + 0xCC3D, // 창, #304 + 0xCC3E, // 찾, #335 + 0xCC44, // 채, #284 + 0xCC45, // 책, #298 + 0xCC98, // 처, #242 + 0xCC9C, // 천, #143 + 0xCCA0, // 철, #380 + 0xCCA8, // 첨, #452 + 0xCCAB, // 첫, #484 + 0xCCAD, // 청, #197 + 0xCCB4, // 체, #126 + 0xCCD0, // 쳐, #472 + 0xCD08, // 초, #220 + 0xCD1D, // 총, #406 + 0xCD5C, // 최, #179 + 0xCD94, // 추, #136 + 0xCD95, // 축, #337 + 0xCD9C, // 출, #166 + 0xCDA9, // 충, #369 + 0xCDE8, // 취, #210 + 0xCE20, // 츠, #215 + 0xCE21, // 측, #468 + 0xCE35, // 층, #512 + 0xCE58, // 치, #102 + 0xCE5C, // 친, #325 + 0xCE68, // 침, #263 + 0xCE74, // 카, #115 + 0xCE7C, // 칼, #466 + 0xCE90, // 캐, #454 + 0xCEE4, // 커, #285 + 0xCEE8, // 컨, #328 + 0xCEF4, // 컴, #417 + 0xCF00, // 케, #339 + 0xCF13, // 켓, #509 + 0xCF1C, // 켜, #508 + 0xCF54, // 코, #193 + 0xCF58, // 콘, #391 + 0xCFE0, // 쿠, #393 + 0xD035, // 퀵, #453 + 0xD06C, // 크, #101 + 0xD070, // 큰, #495 + 0xD074, // 클, #289 + 0xD0A4, // 키, #230 + 0xD0C0, // 타, #127 + 0xD0C1, // 탁, #314 + 0xD0C4, // 탄, #450 + 0xD0C8, // 탈, #436 + 0xD0DC, // 태, #221 + 0xD0DD, // 택, #275 + 0xD130, // 터, #70 + 0xD14C, // 테, #213 + 0xD150, // 텐, #324 + 0xD154, // 텔, #430 + 0xD15C, // 템, #382 + 0xD1A0, // 토, #145 + 0xD1B5, // 통, #156 + 0xD22C, // 투, #227 + 0xD2B8, // 트, #37 + 0xD2B9, // 특, #247 + 0xD2F0, // 티, #187 + 0xD305, // 팅, #410 + 0xD30C, // 파, #141 + 0xD310, // 판, #163 + 0xD314, // 팔, #499 + 0xD328, // 패, #307 + 0xD32C, // 팬, #459 + 0xD338, // 팸, #433 + 0xD37C, // 퍼, #344 + 0xD398, // 페, #172 + 0xD3B8, // 편, #251 + 0xD3C9, // 평, #291 + 0xD3EC, // 포, #68 + 0xD3ED, // 폭, #445 + 0xD3F0, // 폰, #318 + 0xD45C, // 표, #232 + 0xD480, // 풀, #497 + 0xD488, // 품, #113 + 0xD48D, // 풍, #425 + 0xD504, // 프, #110 + 0xD508, // 픈, #498 + 0xD50C, // 플, #211 + 0xD53C, // 피, #169 + 0xD544, // 필, #295 + 0xD551, // 핑, #376 + 0xD558, // 하, #7 + 0xD559, // 학, #129 + 0xD55C, // 한, #15 + 0xD560, // 할, #144 + 0xD568, // 함, #152 + 0xD569, // 합, #123 + 0xD56D, // 항, #268 + 0xD574, // 해, #32 + 0xD588, // 했, #180 + 0xD589, // 행, #135 + 0xD5A5, // 향, #345 + 0xD5C8, // 허, #396 + 0xD5D8, // 험, #316 + 0xD5E4, // 헤, #474 + 0xD604, // 현, #185 + 0xD611, // 협, #315 + 0xD615, // 형, #244 + 0xD61C, // 혜, #428 + 0xD638, // 호, #117 + 0xD63C, // 혼, #358 + 0xD648, // 홈, #330 + 0xD64D, // 홍, #363 + 0xD654, // 화, #63 + 0xD655, // 확, #183 + 0xD658, // 환, #224 + 0xD65C, // 활, #277 + 0xD669, // 황, #353 + 0xD68C, // 회, #74 + 0xD68D, // 획, #458 + 0xD69F, // 횟, #409 + 0xD6A8, // 효, #400 + 0xD6C4, // 후, #176 + 0xD6C8, // 훈, #486 + 0xD734, // 휴, #365 + 0xD754, // 흔, #480 + 0xD76C, // 희, #334 + 0xD788, // 히, #228 + 0xD798, // 힘, #502 +}; +// the percentage of the sample covered by the above characters +static const float frequent_ko_coverage=0.948157021464184; + diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp index acfaea0..9df10f0 100644 --- a/media/libmedia/IAudioFlinger.cpp +++ b/media/libmedia/IAudioFlinger.cpp @@ -139,7 +139,7 @@ public: lStatus = reply.readInt32(); track = interface_cast<IAudioTrack>(reply.readStrongBinder()); } - if (status) { + if (status != NULL) { *status = lStatus; } return track; @@ -198,7 +198,7 @@ public: } } } - if (status) { + if (status != NULL) { *status = lStatus; } return record; @@ -415,15 +415,25 @@ public: audio_io_handle_t output = (audio_io_handle_t) reply.readInt32(); ALOGV("openOutput() returned output, %d", output); devices = (audio_devices_t)reply.readInt32(); - if (pDevices != NULL) *pDevices = devices; + if (pDevices != NULL) { + *pDevices = devices; + } samplingRate = reply.readInt32(); - if (pSamplingRate != NULL) *pSamplingRate = samplingRate; + if (pSamplingRate != NULL) { + *pSamplingRate = samplingRate; + } format = (audio_format_t) reply.readInt32(); - if (pFormat != NULL) *pFormat = format; + if (pFormat != NULL) { + *pFormat = format; + } channelMask = (audio_channel_mask_t)reply.readInt32(); - if (pChannelMask != NULL) *pChannelMask = channelMask; + if (pChannelMask != NULL) { + *pChannelMask = channelMask; + } latency = reply.readInt32(); - if (pLatencyMs != NULL) *pLatencyMs = latency; + if (pLatencyMs != NULL) { + *pLatencyMs = latency; + } return output; } @@ -487,13 +497,21 @@ public: remote()->transact(OPEN_INPUT, data, &reply); audio_io_handle_t input = (audio_io_handle_t) reply.readInt32(); devices = (audio_devices_t)reply.readInt32(); - if (pDevices != NULL) *pDevices = devices; + if (pDevices != NULL) { + *pDevices = devices; + } samplingRate = reply.readInt32(); - if (pSamplingRate != NULL) *pSamplingRate = samplingRate; + if (pSamplingRate != NULL) { + *pSamplingRate = samplingRate; + } format = (audio_format_t) reply.readInt32(); - if (pFormat != NULL) *pFormat = format; + if (pFormat != NULL) { + *pFormat = format; + } channelMask = (audio_channel_mask_t)reply.readInt32(); - if (pChannelMask != NULL) *pChannelMask = channelMask; + if (pChannelMask != NULL) { + *pChannelMask = channelMask; + } return input; } @@ -535,11 +553,11 @@ public: status_t status = reply.readInt32(); if (status == NO_ERROR) { uint32_t tmp = reply.readInt32(); - if (halFrames) { + if (halFrames != NULL) { *halFrames = tmp; } tmp = reply.readInt32(); - if (dspFrames) { + if (dspFrames != NULL) { *dspFrames = tmp; } } @@ -657,7 +675,7 @@ public: if (pDesc == NULL) { return effect; - if (status) { + if (status != NULL) { *status = BAD_VALUE; } } @@ -675,7 +693,7 @@ public: } else { lStatus = reply.readInt32(); int tmp = reply.readInt32(); - if (id) { + if (id != NULL) { *id = tmp; } tmp = reply.readInt32(); @@ -685,7 +703,7 @@ public: effect = interface_cast<IEffect>(reply.readStrongBinder()); reply.read(pDesc, sizeof(effect_descriptor_t)); } - if (status) { + if (status != NULL) { *status = lStatus; } diff --git a/media/libmedia/IAudioRecord.cpp b/media/libmedia/IAudioRecord.cpp index 4a7de65..9866d70 100644 --- a/media/libmedia/IAudioRecord.cpp +++ b/media/libmedia/IAudioRecord.cpp @@ -50,6 +50,9 @@ public: status_t status = remote()->transact(GET_CBLK, data, &reply); if (status == NO_ERROR) { cblk = interface_cast<IMemory>(reply.readStrongBinder()); + if (cblk != 0 && cblk->pointer() == NULL) { + cblk.clear(); + } } return cblk; } diff --git a/media/libmedia/IAudioTrack.cpp b/media/libmedia/IAudioTrack.cpp index 3cd9cfd..ffc21fc 100644 --- a/media/libmedia/IAudioTrack.cpp +++ b/media/libmedia/IAudioTrack.cpp @@ -60,6 +60,9 @@ public: status_t status = remote()->transact(GET_CBLK, data, &reply); if (status == NO_ERROR) { cblk = interface_cast<IMemory>(reply.readStrongBinder()); + if (cblk != 0 && cblk->pointer() == NULL) { + cblk.clear(); + } } return cblk; } @@ -122,6 +125,9 @@ public: status = reply.readInt32(); if (status == NO_ERROR) { *buffer = interface_cast<IMemory>(reply.readStrongBinder()); + if (*buffer != 0 && (*buffer)->pointer() == NULL) { + (*buffer).clear(); + } } } return status; diff --git a/media/libmedia/IEffect.cpp b/media/libmedia/IEffect.cpp index a303a8f..b94012a 100644 --- a/media/libmedia/IEffect.cpp +++ b/media/libmedia/IEffect.cpp @@ -117,6 +117,9 @@ public: status_t status = remote()->transact(GET_CBLK, data, &reply); if (status == NO_ERROR) { cblk = interface_cast<IMemory>(reply.readStrongBinder()); + if (cblk != 0 && cblk->pointer() == NULL) { + cblk.clear(); + } } return cblk; } diff --git a/media/libmedia/IMediaDeathNotifier.cpp b/media/libmedia/IMediaDeathNotifier.cpp index 9db5b1b..10b4934 100644 --- a/media/libmedia/IMediaDeathNotifier.cpp +++ b/media/libmedia/IMediaDeathNotifier.cpp @@ -75,7 +75,7 @@ IMediaDeathNotifier::removeObitRecipient(const wp<IMediaDeathNotifier>& recipien } void -IMediaDeathNotifier::DeathNotifier::binderDied(const wp<IBinder>& who) { +IMediaDeathNotifier::DeathNotifier::binderDied(const wp<IBinder>& who __unused) { ALOGW("media server died"); // Need to do this with the lock held diff --git a/media/libmedia/MediaScannerClient.cpp b/media/libmedia/MediaScannerClient.cpp index 93a4a4c..1661f04 100644 --- a/media/libmedia/MediaScannerClient.cpp +++ b/media/libmedia/MediaScannerClient.cpp @@ -14,217 +14,57 @@ * limitations under the License. */ +//#define LOG_NDEBUG 0 +#define LOG_TAG "MediaScannerClient" +#include <utils/Log.h> + #include <media/mediascanner.h> +#include "CharacterEncodingDetector.h" #include "StringArray.h" -#include "autodetect.h" -#include "unicode/ucnv.h" -#include "unicode/ustring.h" - namespace android { MediaScannerClient::MediaScannerClient() - : mNames(NULL), - mValues(NULL), - mLocaleEncoding(kEncodingNone) + : mEncodingDetector(NULL) { } MediaScannerClient::~MediaScannerClient() { - delete mNames; - delete mValues; + delete mEncodingDetector; } void MediaScannerClient::setLocale(const char* locale) { - if (!locale) return; - - if (!strncmp(locale, "ja", 2)) - mLocaleEncoding = kEncodingShiftJIS; - else if (!strncmp(locale, "ko", 2)) - mLocaleEncoding = kEncodingEUCKR; - else if (!strncmp(locale, "zh", 2)) { - if (!strcmp(locale, "zh_CN")) { - // simplified chinese for mainland China - mLocaleEncoding = kEncodingGBK; - } else { - // assume traditional for non-mainland Chinese locales (Taiwan, Hong Kong, Singapore) - mLocaleEncoding = kEncodingBig5; - } - } + mLocale = locale; // not currently used } void MediaScannerClient::beginFile() { - mNames = new StringArray; - mValues = new StringArray; + delete mEncodingDetector; + mEncodingDetector = new CharacterEncodingDetector(); } status_t MediaScannerClient::addStringTag(const char* name, const char* value) { - if (mLocaleEncoding != kEncodingNone) { - // don't bother caching strings that are all ASCII. - // call handleStringTag directly instead. - // check to see if value (which should be utf8) has any non-ASCII characters - bool nonAscii = false; - const char* chp = value; - char ch; - while ((ch = *chp++)) { - if (ch & 0x80) { - nonAscii = true; - break; - } - } - - if (nonAscii) { - // save the strings for later so they can be used for native encoding detection - mNames->push_back(name); - mValues->push_back(value); - return OK; - } - // else fall through - } - - // autodetection is not necessary, so no need to cache the values - // pass directly to the client instead - return handleStringTag(name, value); -} - -static uint32_t possibleEncodings(const char* s) -{ - uint32_t result = kEncodingAll; - // if s contains a native encoding, then it was mistakenly encoded in utf8 as if it were latin-1 - // so we need to reverse the latin-1 -> utf8 conversion to get the native chars back - uint8_t ch1, ch2; - uint8_t* chp = (uint8_t *)s; - - while ((ch1 = *chp++)) { - if (ch1 & 0x80) { - ch2 = *chp++; - ch1 = ((ch1 << 6) & 0xC0) | (ch2 & 0x3F); - // ch1 is now the first byte of the potential native char - - ch2 = *chp++; - if (ch2 & 0x80) - ch2 = ((ch2 << 6) & 0xC0) | (*chp++ & 0x3F); - // ch2 is now the second byte of the potential native char - int ch = (int)ch1 << 8 | (int)ch2; - result &= findPossibleEncodings(ch); - } - // else ASCII character, which could be anything - } - - return result; -} - -void MediaScannerClient::convertValues(uint32_t encoding) -{ - const char* enc = NULL; - switch (encoding) { - case kEncodingShiftJIS: - enc = "shift-jis"; - break; - case kEncodingGBK: - enc = "gbk"; - break; - case kEncodingBig5: - enc = "Big5"; - break; - case kEncodingEUCKR: - enc = "EUC-KR"; - break; - } - - if (enc) { - UErrorCode status = U_ZERO_ERROR; - - UConverter *conv = ucnv_open(enc, &status); - if (U_FAILURE(status)) { - ALOGE("could not create UConverter for %s", enc); - return; - } - UConverter *utf8Conv = ucnv_open("UTF-8", &status); - if (U_FAILURE(status)) { - ALOGE("could not create UConverter for UTF-8"); - ucnv_close(conv); - return; - } - - // for each value string, convert from native encoding to UTF-8 - for (int i = 0; i < mNames->size(); i++) { - // first we need to untangle the utf8 and convert it back to the original bytes - // since we are reducing the length of the string, we can do this in place - uint8_t* src = (uint8_t *)mValues->getEntry(i); - int len = strlen((char *)src); - uint8_t* dest = src; - - uint8_t uch; - while ((uch = *src++)) { - if (uch & 0x80) - *dest++ = ((uch << 6) & 0xC0) | (*src++ & 0x3F); - else - *dest++ = uch; - } - *dest = 0; - - // now convert from native encoding to UTF-8 - const char* source = mValues->getEntry(i); - int targetLength = len * 3 + 1; - char* buffer = new char[targetLength]; - // don't normally check for NULL, but in this case targetLength may be large - if (!buffer) - break; - char* target = buffer; - - ucnv_convertEx(utf8Conv, conv, &target, target + targetLength, - &source, (const char *)dest, NULL, NULL, NULL, NULL, TRUE, TRUE, &status); - if (U_FAILURE(status)) { - ALOGE("ucnv_convertEx failed: %d", status); - mValues->setEntry(i, "???"); - } else { - // zero terminate - *target = 0; - mValues->setEntry(i, buffer); - } - - delete[] buffer; - } - - ucnv_close(conv); - ucnv_close(utf8Conv); - } + mEncodingDetector->addTag(name, value); + return OK; } void MediaScannerClient::endFile() { - if (mLocaleEncoding != kEncodingNone) { - int size = mNames->size(); - uint32_t encoding = kEncodingAll; - - // compute a bit mask containing all possible encodings - for (int i = 0; i < mNames->size(); i++) - encoding &= possibleEncodings(mValues->getEntry(i)); - - // if the locale encoding matches, then assume we have a native encoding. - if (encoding & mLocaleEncoding) - convertValues(mLocaleEncoding); - - // finally, push all name/value pairs to the client - for (int i = 0; i < mNames->size(); i++) { - status_t status = handleStringTag(mNames->getEntry(i), mValues->getEntry(i)); - if (status) { - break; - } + mEncodingDetector->detectAndConvert(); + + int size = mEncodingDetector->size(); + if (size) { + for (int i = 0; i < size; i++) { + const char *name; + const char *value; + mEncodingDetector->getTag(i, &name, &value); + handleStringTag(name, value); } } - // else addStringTag() has done all the work so we have nothing to do - - delete mNames; - delete mValues; - mNames = NULL; - mValues = NULL; } } // namespace android diff --git a/media/libmedia/SoundPool.cpp b/media/libmedia/SoundPool.cpp index 22e9fad..98acd1f 100644 --- a/media/libmedia/SoundPool.cpp +++ b/media/libmedia/SoundPool.cpp @@ -199,7 +199,7 @@ SoundChannel* SoundPool::findNextChannel(int channelID) return NULL; } -int SoundPool::load(const char* path, int priority) +int SoundPool::load(const char* path, int priority __unused) { ALOGV("load: path=%s, priority=%d", path, priority); Mutex::Autolock lock(&mLock); @@ -209,7 +209,7 @@ int SoundPool::load(const char* path, int priority) return sample->sampleID(); } -int SoundPool::load(int fd, int64_t offset, int64_t length, int priority) +int SoundPool::load(int fd, int64_t offset, int64_t length, int priority __unused) { ALOGV("load: fd=%d, offset=%lld, length=%lld, priority=%d", fd, offset, length, priority); @@ -600,16 +600,15 @@ void SoundChannel::play(const sp<Sample>& sample, int nextChannelID, float leftV // wrong audio audio buffer size (mAudioBufferSize) unsigned long toggle = mToggle ^ 1; void *userData = (void *)((unsigned long)this | toggle); - uint32_t channels = (numChannels == 2) ? - AUDIO_CHANNEL_OUT_STEREO : AUDIO_CHANNEL_OUT_MONO; + audio_channel_mask_t channelMask = audio_channel_out_mask_from_count(numChannels); // do not create a new audio track if current track is compatible with sample parameters #ifdef USE_SHARED_MEM_BUFFER newTrack = new AudioTrack(streamType, sampleRate, sample->format(), - channels, sample->getIMemory(), AUDIO_OUTPUT_FLAG_FAST, callback, userData); + channelMask, sample->getIMemory(), AUDIO_OUTPUT_FLAG_FAST, callback, userData); #else newTrack = new AudioTrack(streamType, sampleRate, sample->format(), - channels, frameCount, AUDIO_OUTPUT_FLAG_FAST, callback, userData, + channelMask, frameCount, AUDIO_OUTPUT_FLAG_FAST, callback, userData, bufferFrames); #endif oldTrack = mAudioTrack; diff --git a/media/libmedia/autodetect.cpp b/media/libmedia/autodetect.cpp deleted file mode 100644 index be5c3b2..0000000 --- a/media/libmedia/autodetect.cpp +++ /dev/null @@ -1,885 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "autodetect.h" - -struct CharRange { - uint16_t first; - uint16_t last; -}; - -#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*x)) - -// generated from http://unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP932.TXT -static const CharRange kShiftJISRanges[] = { - { 0x8140, 0x817E }, - { 0x8180, 0x81AC }, - { 0x81B8, 0x81BF }, - { 0x81C8, 0x81CE }, - { 0x81DA, 0x81E8 }, - { 0x81F0, 0x81F7 }, - { 0x81FC, 0x81FC }, - { 0x824F, 0x8258 }, - { 0x8260, 0x8279 }, - { 0x8281, 0x829A }, - { 0x829F, 0x82F1 }, - { 0x8340, 0x837E }, - { 0x8380, 0x8396 }, - { 0x839F, 0x83B6 }, - { 0x83BF, 0x83D6 }, - { 0x8440, 0x8460 }, - { 0x8470, 0x847E }, - { 0x8480, 0x8491 }, - { 0x849F, 0x84BE }, - { 0x8740, 0x875D }, - { 0x875F, 0x8775 }, - { 0x877E, 0x877E }, - { 0x8780, 0x879C }, - { 0x889F, 0x88FC }, - { 0x8940, 0x897E }, - { 0x8980, 0x89FC }, - { 0x8A40, 0x8A7E }, - { 0x8A80, 0x8AFC }, - { 0x8B40, 0x8B7E }, - { 0x8B80, 0x8BFC }, - { 0x8C40, 0x8C7E }, - { 0x8C80, 0x8CFC }, - { 0x8D40, 0x8D7E }, - { 0x8D80, 0x8DFC }, - { 0x8E40, 0x8E7E }, - { 0x8E80, 0x8EFC }, - { 0x8F40, 0x8F7E }, - { 0x8F80, 0x8FFC }, - { 0x9040, 0x907E }, - { 0x9080, 0x90FC }, - { 0x9140, 0x917E }, - { 0x9180, 0x91FC }, - { 0x9240, 0x927E }, - { 0x9280, 0x92FC }, - { 0x9340, 0x937E }, - { 0x9380, 0x93FC }, - { 0x9440, 0x947E }, - { 0x9480, 0x94FC }, - { 0x9540, 0x957E }, - { 0x9580, 0x95FC }, - { 0x9640, 0x967E }, - { 0x9680, 0x96FC }, - { 0x9740, 0x977E }, - { 0x9780, 0x97FC }, - { 0x9840, 0x9872 }, - { 0x989F, 0x98FC }, - { 0x9940, 0x997E }, - { 0x9980, 0x99FC }, - { 0x9A40, 0x9A7E }, - { 0x9A80, 0x9AFC }, - { 0x9B40, 0x9B7E }, - { 0x9B80, 0x9BFC }, - { 0x9C40, 0x9C7E }, - { 0x9C80, 0x9CFC }, - { 0x9D40, 0x9D7E }, - { 0x9D80, 0x9DFC }, - { 0x9E40, 0x9E7E }, - { 0x9E80, 0x9EFC }, - { 0x9F40, 0x9F7E }, - { 0x9F80, 0x9FFC }, - { 0xE040, 0xE07E }, - { 0xE080, 0xE0FC }, - { 0xE140, 0xE17E }, - { 0xE180, 0xE1FC }, - { 0xE240, 0xE27E }, - { 0xE280, 0xE2FC }, - { 0xE340, 0xE37E }, - { 0xE380, 0xE3FC }, - { 0xE440, 0xE47E }, - { 0xE480, 0xE4FC }, - { 0xE540, 0xE57E }, - { 0xE580, 0xE5FC }, - { 0xE640, 0xE67E }, - { 0xE680, 0xE6FC }, - { 0xE740, 0xE77E }, - { 0xE780, 0xE7FC }, - { 0xE840, 0xE87E }, - { 0xE880, 0xE8FC }, - { 0xE940, 0xE97E }, - { 0xE980, 0xE9FC }, - { 0xEA40, 0xEA7E }, - { 0xEA80, 0xEAA4 }, - { 0xED40, 0xED7E }, - { 0xED80, 0xEDFC }, - { 0xEE40, 0xEE7E }, - { 0xEE80, 0xEEEC }, - { 0xEEEF, 0xEEFC }, - { 0xFA40, 0xFA7E }, - { 0xFA80, 0xFAFC }, - { 0xFB40, 0xFB7E }, - { 0xFB80, 0xFBFC }, - { 0xFC40, 0xFC4B }, -}; - -// generated from http://unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP936.TXT -static const CharRange kGBKRanges[] = { - { 0x8140, 0x817E }, - { 0x8180, 0x81FE }, - { 0x8240, 0x827E }, - { 0x8280, 0x82FE }, - { 0x8340, 0x837E }, - { 0x8380, 0x83FE }, - { 0x8440, 0x847E }, - { 0x8480, 0x84FE }, - { 0x8540, 0x857E }, - { 0x8580, 0x85FE }, - { 0x8640, 0x867E }, - { 0x8680, 0x86FE }, - { 0x8740, 0x877E }, - { 0x8780, 0x87FE }, - { 0x8840, 0x887E }, - { 0x8880, 0x88FE }, - { 0x8940, 0x897E }, - { 0x8980, 0x89FE }, - { 0x8A40, 0x8A7E }, - { 0x8A80, 0x8AFE }, - { 0x8B40, 0x8B7E }, - { 0x8B80, 0x8BFE }, - { 0x8C40, 0x8C7E }, - { 0x8C80, 0x8CFE }, - { 0x8D40, 0x8D7E }, - { 0x8D80, 0x8DFE }, - { 0x8E40, 0x8E7E }, - { 0x8E80, 0x8EFE }, - { 0x8F40, 0x8F7E }, - { 0x8F80, 0x8FFE }, - { 0x9040, 0x907E }, - { 0x9080, 0x90FE }, - { 0x9140, 0x917E }, - { 0x9180, 0x91FE }, - { 0x9240, 0x927E }, - { 0x9280, 0x92FE }, - { 0x9340, 0x937E }, - { 0x9380, 0x93FE }, - { 0x9440, 0x947E }, - { 0x9480, 0x94FE }, - { 0x9540, 0x957E }, - { 0x9580, 0x95FE }, - { 0x9640, 0x967E }, - { 0x9680, 0x96FE }, - { 0x9740, 0x977E }, - { 0x9780, 0x97FE }, - { 0x9840, 0x987E }, - { 0x9880, 0x98FE }, - { 0x9940, 0x997E }, - { 0x9980, 0x99FE }, - { 0x9A40, 0x9A7E }, - { 0x9A80, 0x9AFE }, - { 0x9B40, 0x9B7E }, - { 0x9B80, 0x9BFE }, - { 0x9C40, 0x9C7E }, - { 0x9C80, 0x9CFE }, - { 0x9D40, 0x9D7E }, - { 0x9D80, 0x9DFE }, - { 0x9E40, 0x9E7E }, - { 0x9E80, 0x9EFE }, - { 0x9F40, 0x9F7E }, - { 0x9F80, 0x9FFE }, - { 0xA040, 0xA07E }, - { 0xA080, 0xA0FE }, - { 0xA1A1, 0xA1FE }, - { 0xA2A1, 0xA2AA }, - { 0xA2B1, 0xA2E2 }, - { 0xA2E5, 0xA2EE }, - { 0xA2F1, 0xA2FC }, - { 0xA3A1, 0xA3FE }, - { 0xA4A1, 0xA4F3 }, - { 0xA5A1, 0xA5F6 }, - { 0xA6A1, 0xA6B8 }, - { 0xA6C1, 0xA6D8 }, - { 0xA6E0, 0xA6EB }, - { 0xA6EE, 0xA6F2 }, - { 0xA6F4, 0xA6F5 }, - { 0xA7A1, 0xA7C1 }, - { 0xA7D1, 0xA7F1 }, - { 0xA840, 0xA87E }, - { 0xA880, 0xA895 }, - { 0xA8A1, 0xA8BB }, - { 0xA8BD, 0xA8BE }, - { 0xA8C0, 0xA8C0 }, - { 0xA8C5, 0xA8E9 }, - { 0xA940, 0xA957 }, - { 0xA959, 0xA95A }, - { 0xA95C, 0xA95C }, - { 0xA960, 0xA97E }, - { 0xA980, 0xA988 }, - { 0xA996, 0xA996 }, - { 0xA9A4, 0xA9EF }, - { 0xAA40, 0xAA7E }, - { 0xAA80, 0xAAA0 }, - { 0xAB40, 0xAB7E }, - { 0xAB80, 0xABA0 }, - { 0xAC40, 0xAC7E }, - { 0xAC80, 0xACA0 }, - { 0xAD40, 0xAD7E }, - { 0xAD80, 0xADA0 }, - { 0xAE40, 0xAE7E }, - { 0xAE80, 0xAEA0 }, - { 0xAF40, 0xAF7E }, - { 0xAF80, 0xAFA0 }, - { 0xB040, 0xB07E }, - { 0xB080, 0xB0FE }, - { 0xB140, 0xB17E }, - { 0xB180, 0xB1FE }, - { 0xB240, 0xB27E }, - { 0xB280, 0xB2FE }, - { 0xB340, 0xB37E }, - { 0xB380, 0xB3FE }, - { 0xB440, 0xB47E }, - { 0xB480, 0xB4FE }, - { 0xB540, 0xB57E }, - { 0xB580, 0xB5FE }, - { 0xB640, 0xB67E }, - { 0xB680, 0xB6FE }, - { 0xB740, 0xB77E }, - { 0xB780, 0xB7FE }, - { 0xB840, 0xB87E }, - { 0xB880, 0xB8FE }, - { 0xB940, 0xB97E }, - { 0xB980, 0xB9FE }, - { 0xBA40, 0xBA7E }, - { 0xBA80, 0xBAFE }, - { 0xBB40, 0xBB7E }, - { 0xBB80, 0xBBFE }, - { 0xBC40, 0xBC7E }, - { 0xBC80, 0xBCFE }, - { 0xBD40, 0xBD7E }, - { 0xBD80, 0xBDFE }, - { 0xBE40, 0xBE7E }, - { 0xBE80, 0xBEFE }, - { 0xBF40, 0xBF7E }, - { 0xBF80, 0xBFFE }, - { 0xC040, 0xC07E }, - { 0xC080, 0xC0FE }, - { 0xC140, 0xC17E }, - { 0xC180, 0xC1FE }, - { 0xC240, 0xC27E }, - { 0xC280, 0xC2FE }, - { 0xC340, 0xC37E }, - { 0xC380, 0xC3FE }, - { 0xC440, 0xC47E }, - { 0xC480, 0xC4FE }, - { 0xC540, 0xC57E }, - { 0xC580, 0xC5FE }, - { 0xC640, 0xC67E }, - { 0xC680, 0xC6FE }, - { 0xC740, 0xC77E }, - { 0xC780, 0xC7FE }, - { 0xC840, 0xC87E }, - { 0xC880, 0xC8FE }, - { 0xC940, 0xC97E }, - { 0xC980, 0xC9FE }, - { 0xCA40, 0xCA7E }, - { 0xCA80, 0xCAFE }, - { 0xCB40, 0xCB7E }, - { 0xCB80, 0xCBFE }, - { 0xCC40, 0xCC7E }, - { 0xCC80, 0xCCFE }, - { 0xCD40, 0xCD7E }, - { 0xCD80, 0xCDFE }, - { 0xCE40, 0xCE7E }, - { 0xCE80, 0xCEFE }, - { 0xCF40, 0xCF7E }, - { 0xCF80, 0xCFFE }, - { 0xD040, 0xD07E }, - { 0xD080, 0xD0FE }, - { 0xD140, 0xD17E }, - { 0xD180, 0xD1FE }, - { 0xD240, 0xD27E }, - { 0xD280, 0xD2FE }, - { 0xD340, 0xD37E }, - { 0xD380, 0xD3FE }, - { 0xD440, 0xD47E }, - { 0xD480, 0xD4FE }, - { 0xD540, 0xD57E }, - { 0xD580, 0xD5FE }, - { 0xD640, 0xD67E }, - { 0xD680, 0xD6FE }, - { 0xD740, 0xD77E }, - { 0xD780, 0xD7F9 }, - { 0xD840, 0xD87E }, - { 0xD880, 0xD8FE }, - { 0xD940, 0xD97E }, - { 0xD980, 0xD9FE }, - { 0xDA40, 0xDA7E }, - { 0xDA80, 0xDAFE }, - { 0xDB40, 0xDB7E }, - { 0xDB80, 0xDBFE }, - { 0xDC40, 0xDC7E }, - { 0xDC80, 0xDCFE }, - { 0xDD40, 0xDD7E }, - { 0xDD80, 0xDDFE }, - { 0xDE40, 0xDE7E }, - { 0xDE80, 0xDEFE }, - { 0xDF40, 0xDF7E }, - { 0xDF80, 0xDFFE }, - { 0xE040, 0xE07E }, - { 0xE080, 0xE0FE }, - { 0xE140, 0xE17E }, - { 0xE180, 0xE1FE }, - { 0xE240, 0xE27E }, - { 0xE280, 0xE2FE }, - { 0xE340, 0xE37E }, - { 0xE380, 0xE3FE }, - { 0xE440, 0xE47E }, - { 0xE480, 0xE4FE }, - { 0xE540, 0xE57E }, - { 0xE580, 0xE5FE }, - { 0xE640, 0xE67E }, - { 0xE680, 0xE6FE }, - { 0xE740, 0xE77E }, - { 0xE780, 0xE7FE }, - { 0xE840, 0xE87E }, - { 0xE880, 0xE8FE }, - { 0xE940, 0xE97E }, - { 0xE980, 0xE9FE }, - { 0xEA40, 0xEA7E }, - { 0xEA80, 0xEAFE }, - { 0xEB40, 0xEB7E }, - { 0xEB80, 0xEBFE }, - { 0xEC40, 0xEC7E }, - { 0xEC80, 0xECFE }, - { 0xED40, 0xED7E }, - { 0xED80, 0xEDFE }, - { 0xEE40, 0xEE7E }, - { 0xEE80, 0xEEFE }, - { 0xEF40, 0xEF7E }, - { 0xEF80, 0xEFFE }, - { 0xF040, 0xF07E }, - { 0xF080, 0xF0FE }, - { 0xF140, 0xF17E }, - { 0xF180, 0xF1FE }, - { 0xF240, 0xF27E }, - { 0xF280, 0xF2FE }, - { 0xF340, 0xF37E }, - { 0xF380, 0xF3FE }, - { 0xF440, 0xF47E }, - { 0xF480, 0xF4FE }, - { 0xF540, 0xF57E }, - { 0xF580, 0xF5FE }, - { 0xF640, 0xF67E }, - { 0xF680, 0xF6FE }, - { 0xF740, 0xF77E }, - { 0xF780, 0xF7FE }, - { 0xF840, 0xF87E }, - { 0xF880, 0xF8A0 }, - { 0xF940, 0xF97E }, - { 0xF980, 0xF9A0 }, - { 0xFA40, 0xFA7E }, - { 0xFA80, 0xFAA0 }, - { 0xFB40, 0xFB7E }, - { 0xFB80, 0xFBA0 }, - { 0xFC40, 0xFC7E }, - { 0xFC80, 0xFCA0 }, - { 0xFD40, 0xFD7E }, - { 0xFD80, 0xFDA0 }, - { 0xFE40, 0xFE4F }, -}; - -// generated from http://unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP949.TXT -static const CharRange kEUCKRRanges[] = { - { 0x8141, 0x815A }, - { 0x8161, 0x817A }, - { 0x8181, 0x81FE }, - { 0x8241, 0x825A }, - { 0x8261, 0x827A }, - { 0x8281, 0x82FE }, - { 0x8341, 0x835A }, - { 0x8361, 0x837A }, - { 0x8381, 0x83FE }, - { 0x8441, 0x845A }, - { 0x8461, 0x847A }, - { 0x8481, 0x84FE }, - { 0x8541, 0x855A }, - { 0x8561, 0x857A }, - { 0x8581, 0x85FE }, - { 0x8641, 0x865A }, - { 0x8661, 0x867A }, - { 0x8681, 0x86FE }, - { 0x8741, 0x875A }, - { 0x8761, 0x877A }, - { 0x8781, 0x87FE }, - { 0x8841, 0x885A }, - { 0x8861, 0x887A }, - { 0x8881, 0x88FE }, - { 0x8941, 0x895A }, - { 0x8961, 0x897A }, - { 0x8981, 0x89FE }, - { 0x8A41, 0x8A5A }, - { 0x8A61, 0x8A7A }, - { 0x8A81, 0x8AFE }, - { 0x8B41, 0x8B5A }, - { 0x8B61, 0x8B7A }, - { 0x8B81, 0x8BFE }, - { 0x8C41, 0x8C5A }, - { 0x8C61, 0x8C7A }, - { 0x8C81, 0x8CFE }, - { 0x8D41, 0x8D5A }, - { 0x8D61, 0x8D7A }, - { 0x8D81, 0x8DFE }, - { 0x8E41, 0x8E5A }, - { 0x8E61, 0x8E7A }, - { 0x8E81, 0x8EFE }, - { 0x8F41, 0x8F5A }, - { 0x8F61, 0x8F7A }, - { 0x8F81, 0x8FFE }, - { 0x9041, 0x905A }, - { 0x9061, 0x907A }, - { 0x9081, 0x90FE }, - { 0x9141, 0x915A }, - { 0x9161, 0x917A }, - { 0x9181, 0x91FE }, - { 0x9241, 0x925A }, - { 0x9261, 0x927A }, - { 0x9281, 0x92FE }, - { 0x9341, 0x935A }, - { 0x9361, 0x937A }, - { 0x9381, 0x93FE }, - { 0x9441, 0x945A }, - { 0x9461, 0x947A }, - { 0x9481, 0x94FE }, - { 0x9541, 0x955A }, - { 0x9561, 0x957A }, - { 0x9581, 0x95FE }, - { 0x9641, 0x965A }, - { 0x9661, 0x967A }, - { 0x9681, 0x96FE }, - { 0x9741, 0x975A }, - { 0x9761, 0x977A }, - { 0x9781, 0x97FE }, - { 0x9841, 0x985A }, - { 0x9861, 0x987A }, - { 0x9881, 0x98FE }, - { 0x9941, 0x995A }, - { 0x9961, 0x997A }, - { 0x9981, 0x99FE }, - { 0x9A41, 0x9A5A }, - { 0x9A61, 0x9A7A }, - { 0x9A81, 0x9AFE }, - { 0x9B41, 0x9B5A }, - { 0x9B61, 0x9B7A }, - { 0x9B81, 0x9BFE }, - { 0x9C41, 0x9C5A }, - { 0x9C61, 0x9C7A }, - { 0x9C81, 0x9CFE }, - { 0x9D41, 0x9D5A }, - { 0x9D61, 0x9D7A }, - { 0x9D81, 0x9DFE }, - { 0x9E41, 0x9E5A }, - { 0x9E61, 0x9E7A }, - { 0x9E81, 0x9EFE }, - { 0x9F41, 0x9F5A }, - { 0x9F61, 0x9F7A }, - { 0x9F81, 0x9FFE }, - { 0xA041, 0xA05A }, - { 0xA061, 0xA07A }, - { 0xA081, 0xA0FE }, - { 0xA141, 0xA15A }, - { 0xA161, 0xA17A }, - { 0xA181, 0xA1FE }, - { 0xA241, 0xA25A }, - { 0xA261, 0xA27A }, - { 0xA281, 0xA2E7 }, - { 0xA341, 0xA35A }, - { 0xA361, 0xA37A }, - { 0xA381, 0xA3FE }, - { 0xA441, 0xA45A }, - { 0xA461, 0xA47A }, - { 0xA481, 0xA4FE }, - { 0xA541, 0xA55A }, - { 0xA561, 0xA57A }, - { 0xA581, 0xA5AA }, - { 0xA5B0, 0xA5B9 }, - { 0xA5C1, 0xA5D8 }, - { 0xA5E1, 0xA5F8 }, - { 0xA641, 0xA65A }, - { 0xA661, 0xA67A }, - { 0xA681, 0xA6E4 }, - { 0xA741, 0xA75A }, - { 0xA761, 0xA77A }, - { 0xA781, 0xA7EF }, - { 0xA841, 0xA85A }, - { 0xA861, 0xA87A }, - { 0xA881, 0xA8A4 }, - { 0xA8A6, 0xA8A6 }, - { 0xA8A8, 0xA8AF }, - { 0xA8B1, 0xA8FE }, - { 0xA941, 0xA95A }, - { 0xA961, 0xA97A }, - { 0xA981, 0xA9FE }, - { 0xAA41, 0xAA5A }, - { 0xAA61, 0xAA7A }, - { 0xAA81, 0xAAF3 }, - { 0xAB41, 0xAB5A }, - { 0xAB61, 0xAB7A }, - { 0xAB81, 0xABF6 }, - { 0xAC41, 0xAC5A }, - { 0xAC61, 0xAC7A }, - { 0xAC81, 0xACC1 }, - { 0xACD1, 0xACF1 }, - { 0xAD41, 0xAD5A }, - { 0xAD61, 0xAD7A }, - { 0xAD81, 0xADA0 }, - { 0xAE41, 0xAE5A }, - { 0xAE61, 0xAE7A }, - { 0xAE81, 0xAEA0 }, - { 0xAF41, 0xAF5A }, - { 0xAF61, 0xAF7A }, - { 0xAF81, 0xAFA0 }, - { 0xB041, 0xB05A }, - { 0xB061, 0xB07A }, - { 0xB081, 0xB0FE }, - { 0xB141, 0xB15A }, - { 0xB161, 0xB17A }, - { 0xB181, 0xB1FE }, - { 0xB241, 0xB25A }, - { 0xB261, 0xB27A }, - { 0xB281, 0xB2FE }, - { 0xB341, 0xB35A }, - { 0xB361, 0xB37A }, - { 0xB381, 0xB3FE }, - { 0xB441, 0xB45A }, - { 0xB461, 0xB47A }, - { 0xB481, 0xB4FE }, - { 0xB541, 0xB55A }, - { 0xB561, 0xB57A }, - { 0xB581, 0xB5FE }, - { 0xB641, 0xB65A }, - { 0xB661, 0xB67A }, - { 0xB681, 0xB6FE }, - { 0xB741, 0xB75A }, - { 0xB761, 0xB77A }, - { 0xB781, 0xB7FE }, - { 0xB841, 0xB85A }, - { 0xB861, 0xB87A }, - { 0xB881, 0xB8FE }, - { 0xB941, 0xB95A }, - { 0xB961, 0xB97A }, - { 0xB981, 0xB9FE }, - { 0xBA41, 0xBA5A }, - { 0xBA61, 0xBA7A }, - { 0xBA81, 0xBAFE }, - { 0xBB41, 0xBB5A }, - { 0xBB61, 0xBB7A }, - { 0xBB81, 0xBBFE }, - { 0xBC41, 0xBC5A }, - { 0xBC61, 0xBC7A }, - { 0xBC81, 0xBCFE }, - { 0xBD41, 0xBD5A }, - { 0xBD61, 0xBD7A }, - { 0xBD81, 0xBDFE }, - { 0xBE41, 0xBE5A }, - { 0xBE61, 0xBE7A }, - { 0xBE81, 0xBEFE }, - { 0xBF41, 0xBF5A }, - { 0xBF61, 0xBF7A }, - { 0xBF81, 0xBFFE }, - { 0xC041, 0xC05A }, - { 0xC061, 0xC07A }, - { 0xC081, 0xC0FE }, - { 0xC141, 0xC15A }, - { 0xC161, 0xC17A }, - { 0xC181, 0xC1FE }, - { 0xC241, 0xC25A }, - { 0xC261, 0xC27A }, - { 0xC281, 0xC2FE }, - { 0xC341, 0xC35A }, - { 0xC361, 0xC37A }, - { 0xC381, 0xC3FE }, - { 0xC441, 0xC45A }, - { 0xC461, 0xC47A }, - { 0xC481, 0xC4FE }, - { 0xC541, 0xC55A }, - { 0xC561, 0xC57A }, - { 0xC581, 0xC5FE }, - { 0xC641, 0xC652 }, - { 0xC6A1, 0xC6FE }, - { 0xC7A1, 0xC7FE }, - { 0xC8A1, 0xC8FE }, - { 0xCAA1, 0xCAFE }, - { 0xCBA1, 0xCBFE }, - { 0xCCA1, 0xCCFE }, - { 0xCDA1, 0xCDFE }, - { 0xCEA1, 0xCEFE }, - { 0xCFA1, 0xCFFE }, - { 0xD0A1, 0xD0FE }, - { 0xD1A1, 0xD1FE }, - { 0xD2A1, 0xD2FE }, - { 0xD3A1, 0xD3FE }, - { 0xD4A1, 0xD4FE }, - { 0xD5A1, 0xD5FE }, - { 0xD6A1, 0xD6FE }, - { 0xD7A1, 0xD7FE }, - { 0xD8A1, 0xD8FE }, - { 0xD9A1, 0xD9FE }, - { 0xDAA1, 0xDAFE }, - { 0xDBA1, 0xDBFE }, - { 0xDCA1, 0xDCFE }, - { 0xDDA1, 0xDDFE }, - { 0xDEA1, 0xDEFE }, - { 0xDFA1, 0xDFFE }, - { 0xE0A1, 0xE0FE }, - { 0xE1A1, 0xE1FE }, - { 0xE2A1, 0xE2FE }, - { 0xE3A1, 0xE3FE }, - { 0xE4A1, 0xE4FE }, - { 0xE5A1, 0xE5FE }, - { 0xE6A1, 0xE6FE }, - { 0xE7A1, 0xE7FE }, - { 0xE8A1, 0xE8FE }, - { 0xE9A1, 0xE9FE }, - { 0xEAA1, 0xEAFE }, - { 0xEBA1, 0xEBFE }, - { 0xECA1, 0xECFE }, - { 0xEDA1, 0xEDFE }, - { 0xEEA1, 0xEEFE }, - { 0xEFA1, 0xEFFE }, - { 0xF0A1, 0xF0FE }, - { 0xF1A1, 0xF1FE }, - { 0xF2A1, 0xF2FE }, - { 0xF3A1, 0xF3FE }, - { 0xF4A1, 0xF4FE }, - { 0xF5A1, 0xF5FE }, - { 0xF6A1, 0xF6FE }, - { 0xF7A1, 0xF7FE }, - { 0xF8A1, 0xF8FE }, - { 0xF9A1, 0xF9FE }, - { 0xFAA1, 0xFAFE }, - { 0xFBA1, 0xFBFE }, - { 0xFCA1, 0xFCFE }, - { 0xFDA1, 0xFDFE }, -}; - -// generated from http://unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP950.TXT -static const CharRange kBig5Ranges[] = { - { 0xA140, 0xA17E }, - { 0xA1A1, 0xA1FE }, - { 0xA240, 0xA27E }, - { 0xA2A1, 0xA2FE }, - { 0xA340, 0xA37E }, - { 0xA3A1, 0xA3BF }, - { 0xA3E1, 0xA3E1 }, - { 0xA440, 0xA47E }, - { 0xA4A1, 0xA4FE }, - { 0xA540, 0xA57E }, - { 0xA5A1, 0xA5FE }, - { 0xA640, 0xA67E }, - { 0xA6A1, 0xA6FE }, - { 0xA740, 0xA77E }, - { 0xA7A1, 0xA7FE }, - { 0xA840, 0xA87E }, - { 0xA8A1, 0xA8FE }, - { 0xA940, 0xA97E }, - { 0xA9A1, 0xA9FE }, - { 0xAA40, 0xAA7E }, - { 0xAAA1, 0xAAFE }, - { 0xAB40, 0xAB7E }, - { 0xABA1, 0xABFE }, - { 0xAC40, 0xAC7E }, - { 0xACA1, 0xACFE }, - { 0xAD40, 0xAD7E }, - { 0xADA1, 0xADFE }, - { 0xAE40, 0xAE7E }, - { 0xAEA1, 0xAEFE }, - { 0xAF40, 0xAF7E }, - { 0xAFA1, 0xAFFE }, - { 0xB040, 0xB07E }, - { 0xB0A1, 0xB0FE }, - { 0xB140, 0xB17E }, - { 0xB1A1, 0xB1FE }, - { 0xB240, 0xB27E }, - { 0xB2A1, 0xB2FE }, - { 0xB340, 0xB37E }, - { 0xB3A1, 0xB3FE }, - { 0xB440, 0xB47E }, - { 0xB4A1, 0xB4FE }, - { 0xB540, 0xB57E }, - { 0xB5A1, 0xB5FE }, - { 0xB640, 0xB67E }, - { 0xB6A1, 0xB6FE }, - { 0xB740, 0xB77E }, - { 0xB7A1, 0xB7FE }, - { 0xB840, 0xB87E }, - { 0xB8A1, 0xB8FE }, - { 0xB940, 0xB97E }, - { 0xB9A1, 0xB9FE }, - { 0xBA40, 0xBA7E }, - { 0xBAA1, 0xBAFE }, - { 0xBB40, 0xBB7E }, - { 0xBBA1, 0xBBFE }, - { 0xBC40, 0xBC7E }, - { 0xBCA1, 0xBCFE }, - { 0xBD40, 0xBD7E }, - { 0xBDA1, 0xBDFE }, - { 0xBE40, 0xBE7E }, - { 0xBEA1, 0xBEFE }, - { 0xBF40, 0xBF7E }, - { 0xBFA1, 0xBFFE }, - { 0xC040, 0xC07E }, - { 0xC0A1, 0xC0FE }, - { 0xC140, 0xC17E }, - { 0xC1A1, 0xC1FE }, - { 0xC240, 0xC27E }, - { 0xC2A1, 0xC2FE }, - { 0xC340, 0xC37E }, - { 0xC3A1, 0xC3FE }, - { 0xC440, 0xC47E }, - { 0xC4A1, 0xC4FE }, - { 0xC540, 0xC57E }, - { 0xC5A1, 0xC5FE }, - { 0xC640, 0xC67E }, - { 0xC940, 0xC97E }, - { 0xC9A1, 0xC9FE }, - { 0xCA40, 0xCA7E }, - { 0xCAA1, 0xCAFE }, - { 0xCB40, 0xCB7E }, - { 0xCBA1, 0xCBFE }, - { 0xCC40, 0xCC7E }, - { 0xCCA1, 0xCCFE }, - { 0xCD40, 0xCD7E }, - { 0xCDA1, 0xCDFE }, - { 0xCE40, 0xCE7E }, - { 0xCEA1, 0xCEFE }, - { 0xCF40, 0xCF7E }, - { 0xCFA1, 0xCFFE }, - { 0xD040, 0xD07E }, - { 0xD0A1, 0xD0FE }, - { 0xD140, 0xD17E }, - { 0xD1A1, 0xD1FE }, - { 0xD240, 0xD27E }, - { 0xD2A1, 0xD2FE }, - { 0xD340, 0xD37E }, - { 0xD3A1, 0xD3FE }, - { 0xD440, 0xD47E }, - { 0xD4A1, 0xD4FE }, - { 0xD540, 0xD57E }, - { 0xD5A1, 0xD5FE }, - { 0xD640, 0xD67E }, - { 0xD6A1, 0xD6FE }, - { 0xD740, 0xD77E }, - { 0xD7A1, 0xD7FE }, - { 0xD840, 0xD87E }, - { 0xD8A1, 0xD8FE }, - { 0xD940, 0xD97E }, - { 0xD9A1, 0xD9FE }, - { 0xDA40, 0xDA7E }, - { 0xDAA1, 0xDAFE }, - { 0xDB40, 0xDB7E }, - { 0xDBA1, 0xDBFE }, - { 0xDC40, 0xDC7E }, - { 0xDCA1, 0xDCFE }, - { 0xDD40, 0xDD7E }, - { 0xDDA1, 0xDDFE }, - { 0xDE40, 0xDE7E }, - { 0xDEA1, 0xDEFE }, - { 0xDF40, 0xDF7E }, - { 0xDFA1, 0xDFFE }, - { 0xE040, 0xE07E }, - { 0xE0A1, 0xE0FE }, - { 0xE140, 0xE17E }, - { 0xE1A1, 0xE1FE }, - { 0xE240, 0xE27E }, - { 0xE2A1, 0xE2FE }, - { 0xE340, 0xE37E }, - { 0xE3A1, 0xE3FE }, - { 0xE440, 0xE47E }, - { 0xE4A1, 0xE4FE }, - { 0xE540, 0xE57E }, - { 0xE5A1, 0xE5FE }, - { 0xE640, 0xE67E }, - { 0xE6A1, 0xE6FE }, - { 0xE740, 0xE77E }, - { 0xE7A1, 0xE7FE }, - { 0xE840, 0xE87E }, - { 0xE8A1, 0xE8FE }, - { 0xE940, 0xE97E }, - { 0xE9A1, 0xE9FE }, - { 0xEA40, 0xEA7E }, - { 0xEAA1, 0xEAFE }, - { 0xEB40, 0xEB7E }, - { 0xEBA1, 0xEBFE }, - { 0xEC40, 0xEC7E }, - { 0xECA1, 0xECFE }, - { 0xED40, 0xED7E }, - { 0xEDA1, 0xEDFE }, - { 0xEE40, 0xEE7E }, - { 0xEEA1, 0xEEFE }, - { 0xEF40, 0xEF7E }, - { 0xEFA1, 0xEFFE }, - { 0xF040, 0xF07E }, - { 0xF0A1, 0xF0FE }, - { 0xF140, 0xF17E }, - { 0xF1A1, 0xF1FE }, - { 0xF240, 0xF27E }, - { 0xF2A1, 0xF2FE }, - { 0xF340, 0xF37E }, - { 0xF3A1, 0xF3FE }, - { 0xF440, 0xF47E }, - { 0xF4A1, 0xF4FE }, - { 0xF540, 0xF57E }, - { 0xF5A1, 0xF5FE }, - { 0xF640, 0xF67E }, - { 0xF6A1, 0xF6FE }, - { 0xF740, 0xF77E }, - { 0xF7A1, 0xF7FE }, - { 0xF840, 0xF87E }, - { 0xF8A1, 0xF8FE }, - { 0xF940, 0xF97E }, - { 0xF9A1, 0xF9FE }, -}; - -static bool charMatchesEncoding(int ch, const CharRange* encodingRanges, int rangeCount) { - // Use binary search to see if the character is contained in the encoding - int low = 0; - int high = rangeCount; - - while (low < high) { - int i = (low + high) / 2; - const CharRange* range = &encodingRanges[i]; - if (ch >= range->first && ch <= range->last) - return true; - if (ch > range->last) - low = i + 1; - else - high = i; - } - - return false; -} - -extern uint32_t findPossibleEncodings(int ch) -{ - // ASCII matches everything - if (ch < 256) return kEncodingAll; - - int result = kEncodingNone; - - if (charMatchesEncoding(ch, kShiftJISRanges, ARRAY_SIZE(kShiftJISRanges))) - result |= kEncodingShiftJIS; - if (charMatchesEncoding(ch, kGBKRanges, ARRAY_SIZE(kGBKRanges))) - result |= kEncodingGBK; - if (charMatchesEncoding(ch, kBig5Ranges, ARRAY_SIZE(kBig5Ranges))) - result |= kEncodingBig5; - if (charMatchesEncoding(ch, kEUCKRRanges, ARRAY_SIZE(kEUCKRRanges))) - result |= kEncodingEUCKR; - - return result; -} diff --git a/media/libmedia/autodetect.h b/media/libmedia/autodetect.h deleted file mode 100644 index 9675db3..0000000 --- a/media/libmedia/autodetect.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef AUTODETECT_H -#define AUTODETECT_H - -#include <inttypes.h> - -// flags used for native encoding detection -enum { - kEncodingNone = 0, - kEncodingShiftJIS = (1 << 0), - kEncodingGBK = (1 << 1), - kEncodingBig5 = (1 << 2), - kEncodingEUCKR = (1 << 3), - - kEncodingAll = (kEncodingShiftJIS | kEncodingGBK | kEncodingBig5 | kEncodingEUCKR), -}; - - -// returns a bitfield containing the possible native encodings for the given character -extern uint32_t findPossibleEncodings(int ch); - -#endif // AUTODETECT_H diff --git a/media/libmedia/mediametadataretriever.cpp b/media/libmedia/mediametadataretriever.cpp index 110b94c..bad2494 100644 --- a/media/libmedia/mediametadataretriever.cpp +++ b/media/libmedia/mediametadataretriever.cpp @@ -157,7 +157,7 @@ sp<IMemory> MediaMetadataRetriever::extractAlbumArt() return mRetriever->extractAlbumArt(); } -void MediaMetadataRetriever::DeathNotifier::binderDied(const wp<IBinder>& who) { +void MediaMetadataRetriever::DeathNotifier::binderDied(const wp<IBinder>& who __unused) { Mutex::Autolock lock(MediaMetadataRetriever::sServiceLock); MediaMetadataRetriever::sService.clear(); ALOGW("MediaMetadataRetriever server died!"); diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp index 0f6d897..7a6f31d 100644 --- a/media/libmedia/mediaplayer.cpp +++ b/media/libmedia/mediaplayer.cpp @@ -654,7 +654,7 @@ status_t MediaPlayer::setRetransmitEndpoint(const char* addrString, return BAD_VALUE; } - memset(&mRetransmitEndpoint, 0, sizeof(&mRetransmitEndpoint)); + memset(&mRetransmitEndpoint, 0, sizeof(mRetransmitEndpoint)); mRetransmitEndpoint.sin_family = AF_INET; mRetransmitEndpoint.sin_addr = saddr; mRetransmitEndpoint.sin_port = htons(port); diff --git a/media/libmediaplayerservice/HDCP.cpp b/media/libmediaplayerservice/HDCP.cpp index c2ac1a3..afe3936 100644 --- a/media/libmediaplayerservice/HDCP.cpp +++ b/media/libmediaplayerservice/HDCP.cpp @@ -107,11 +107,7 @@ uint32_t HDCP::getCaps() { return NO_INIT; } - // TO-DO: - // Only support HDCP_CAPS_ENCRYPT (byte-array to byte-array) for now. - // use mHDCPModule->getCaps() when the HDCP libraries get updated. - //return mHDCPModule->getCaps(); - return HDCPModule::HDCP_CAPS_ENCRYPT; + return mHDCPModule->getCaps(); } status_t HDCP::encrypt( diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp index f9d9020..78dad19 100644 --- a/media/libmediaplayerservice/StagefrightRecorder.cpp +++ b/media/libmediaplayerservice/StagefrightRecorder.cpp @@ -973,7 +973,7 @@ status_t StagefrightRecorder::startRTPRecording() { return err; } - err = setupVideoEncoder(mediaSource, mVideoBitRate, &source); + err = setupVideoEncoder(mediaSource, &source); if (err != OK) { return err; } @@ -1017,7 +1017,7 @@ status_t StagefrightRecorder::startMPEG2TSRecording() { } sp<MediaSource> encoder; - err = setupVideoEncoder(mediaSource, mVideoBitRate, &encoder); + err = setupVideoEncoder(mediaSource, &encoder); if (err != OK) { return err; @@ -1383,12 +1383,11 @@ status_t StagefrightRecorder::setupCameraSource( status_t StagefrightRecorder::setupVideoEncoder( sp<MediaSource> cameraSource, - int32_t videoBitRate, sp<MediaSource> *source) { source->clear(); sp<MetaData> enc_meta = new MetaData; - enc_meta->setInt32(kKeyBitRate, videoBitRate); + enc_meta->setInt32(kKeyBitRate, mVideoBitRate); enc_meta->setInt32(kKeyFrameRate, mFrameRate); switch (mVideoEncoder) { @@ -1495,16 +1494,11 @@ status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) { return OK; } -status_t StagefrightRecorder::setupMPEG4Recording( - int outputFd, - int32_t videoWidth, int32_t videoHeight, - int32_t videoBitRate, - int32_t *totalBitRate, - sp<MediaWriter> *mediaWriter) { - mediaWriter->clear(); +status_t StagefrightRecorder::setupMPEG4Recording(int32_t *totalBitRate) { + mWriter.clear(); *totalBitRate = 0; status_t err = OK; - sp<MediaWriter> writer = new MPEG4Writer(outputFd); + sp<MediaWriter> writer = new MPEG4Writer(mOutputFd); if (mVideoSource < VIDEO_SOURCE_LIST_END) { @@ -1515,13 +1509,13 @@ status_t StagefrightRecorder::setupMPEG4Recording( } sp<MediaSource> encoder; - err = setupVideoEncoder(mediaSource, videoBitRate, &encoder); + err = setupVideoEncoder(mediaSource, &encoder); if (err != OK) { return err; } writer->addSource(encoder); - *totalBitRate += videoBitRate; + *totalBitRate += mVideoBitRate; } // Audio source is added at the end if it exists. @@ -1555,7 +1549,7 @@ status_t StagefrightRecorder::setupMPEG4Recording( } writer->setListener(mListener); - *mediaWriter = writer; + mWriter = writer; return OK; } @@ -1578,9 +1572,7 @@ void StagefrightRecorder::setupMPEG4MetaData(int64_t startTimeUs, int32_t totalB status_t StagefrightRecorder::startMPEG4Recording() { int32_t totalBitRate; - status_t err = setupMPEG4Recording( - mOutputFd, mVideoWidth, mVideoHeight, - mVideoBitRate, &totalBitRate, &mWriter); + status_t err = setupMPEG4Recording(&totalBitRate); if (err != OK) { return err; } diff --git a/media/libmediaplayerservice/StagefrightRecorder.h b/media/libmediaplayerservice/StagefrightRecorder.h index 31f09e0..bc43488 100644 --- a/media/libmediaplayerservice/StagefrightRecorder.h +++ b/media/libmediaplayerservice/StagefrightRecorder.h @@ -124,12 +124,7 @@ private: // frame buffers will be queued and dequeued sp<SurfaceMediaSource> mSurfaceMediaSource; - status_t setupMPEG4Recording( - int outputFd, - int32_t videoWidth, int32_t videoHeight, - int32_t videoBitRate, - int32_t *totalBitRate, - sp<MediaWriter> *mediaWriter); + status_t setupMPEG4Recording(int32_t *totalBitRate); void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate, sp<MetaData> *meta); status_t startMPEG4Recording(); @@ -151,10 +146,7 @@ private: status_t setupSurfaceMediaSource(); status_t setupAudioEncoder(const sp<MediaWriter>& writer); - status_t setupVideoEncoder( - sp<MediaSource> cameraSource, - int32_t videoBitRate, - sp<MediaSource> *source); + status_t setupVideoEncoder(sp<MediaSource> cameraSource, sp<MediaSource> *source); // Encoding parameter handling utilities status_t setParameter(const String8 &key, const String8 &value); diff --git a/media/libnbaio/NBLog.cpp b/media/libnbaio/NBLog.cpp index 045bf64..ba8d0b4 100644 --- a/media/libnbaio/NBLog.cpp +++ b/media/libnbaio/NBLog.cpp @@ -441,7 +441,7 @@ void NBLog::Reader::dump(int fd, size_t indent) bool NBLog::Reader::isIMemory(const sp<IMemory>& iMemory) const { - return iMemory.get() == mIMemory.get(); + return iMemory != 0 && mIMemory != 0 && iMemory->pointer() == mIMemory->pointer(); } } // namespace android diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp index 5d5220f..eb274a8 100644 --- a/media/libstagefright/ACodec.cpp +++ b/media/libstagefright/ACodec.cpp @@ -35,7 +35,9 @@ #include <media/hardware/HardwareAPI.h> +#include <OMX_AudioExt.h> #include <OMX_Component.h> +#include <OMX_IndexExt.h> #include "include/avc_utils.h" @@ -977,6 +979,10 @@ status_t ACodec::setComponentRole( "audio_decoder.flac", "audio_encoder.flac" }, { MEDIA_MIMETYPE_AUDIO_MSGSM, "audio_decoder.gsm", "audio_encoder.gsm" }, + { MEDIA_MIMETYPE_VIDEO_MPEG2, + "video_decoder.mpeg2", "video_encoder.mpeg2" }, + { MEDIA_MIMETYPE_AUDIO_AC3, + "audio_decoder.ac3", "audio_encoder.ac3" }, }; static const size_t kNumMimeToRole = @@ -1268,6 +1274,15 @@ status_t ACodec::configureCodec( } else { err = setupRawAudioFormat(kPortIndexInput, sampleRate, numChannels); } + } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC3)) { + int32_t numChannels; + int32_t sampleRate; + if (!msg->findInt32("channel-count", &numChannels) + || !msg->findInt32("sample-rate", &sampleRate)) { + err = INVALID_OPERATION; + } else { + err = setupAC3Codec(encoder, numChannels, sampleRate); + } } if (err != OK) { @@ -1464,6 +1479,44 @@ status_t ACodec::setupAACCodec( mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile)); } +status_t ACodec::setupAC3Codec( + bool encoder, int32_t numChannels, int32_t sampleRate) { + status_t err = setupRawAudioFormat( + encoder ? kPortIndexInput : kPortIndexOutput, sampleRate, numChannels); + + if (err != OK) { + return err; + } + + if (encoder) { + ALOGW("AC3 encoding is not supported."); + return INVALID_OPERATION; + } + + OMX_AUDIO_PARAM_ANDROID_AC3TYPE def; + InitOMXParams(&def); + def.nPortIndex = kPortIndexInput; + + err = mOMX->getParameter( + mNode, + (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3, + &def, + sizeof(def)); + + if (err != OK) { + return err; + } + + def.nChannels = numChannels; + def.nSampleRate = sampleRate; + + return mOMX->setParameter( + mNode, + (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3, + &def, + sizeof(def)); +} + static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate( bool isAMRWB, int32_t bps) { if (isAMRWB) { @@ -2558,7 +2611,7 @@ void ACodec::sendFormatChange(const sp<AMessage> &reply) { { OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio; - switch (audioDef->eEncoding) { + switch ((int)audioDef->eEncoding) { case OMX_AUDIO_CodingPCM: { OMX_AUDIO_PARAM_PCMMODETYPE params; @@ -2664,6 +2717,24 @@ void ACodec::sendFormatChange(const sp<AMessage> &reply) { break; } + case OMX_AUDIO_CodingAndroidAC3: + { + OMX_AUDIO_PARAM_ANDROID_AC3TYPE params; + InitOMXParams(¶ms); + params.nPortIndex = kPortIndexOutput; + + CHECK_EQ((status_t)OK, mOMX->getParameter( + mNode, + (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3, + ¶ms, + sizeof(params))); + + notify->setString("mime", MEDIA_MIMETYPE_AUDIO_AC3); + notify->setInt32("channel-count", params.nChannels); + notify->setInt32("sample-rate", params.nSampleRate); + break; + } + default: TRESPASS(); } @@ -3342,7 +3413,7 @@ bool ACodec::BaseState::onOMXFillBufferDone( sp<AMessage> reply = new AMessage(kWhatOutputBufferDrained, mCodec->id()); - if (!mCodec->mSentFormat) { + if (!mCodec->mSentFormat && rangeLength > 0) { mCodec->sendFormatChange(reply); } diff --git a/media/libstagefright/CameraSourceTimeLapse.cpp b/media/libstagefright/CameraSourceTimeLapse.cpp index 5772316..86844b8 100644 --- a/media/libstagefright/CameraSourceTimeLapse.cpp +++ b/media/libstagefright/CameraSourceTimeLapse.cpp @@ -85,7 +85,8 @@ CameraSourceTimeLapse::CameraSourceTimeLapse( mVideoWidth = videoSize.width; mVideoHeight = videoSize.height; - if (!trySettingVideoSize(videoSize.width, videoSize.height)) { + if (OK == mInitCheck && !trySettingVideoSize(videoSize.width, videoSize.height)) { + releaseCamera(); mInitCheck = NO_INIT; } diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp index dc73980..9c89e82 100644 --- a/media/libstagefright/MPEG4Extractor.cpp +++ b/media/libstagefright/MPEG4Extractor.cpp @@ -2372,6 +2372,58 @@ status_t MPEG4Extractor::verifyTrack(Track *track) { return OK; } +typedef enum { + //AOT_NONE = -1, + //AOT_NULL_OBJECT = 0, + //AOT_AAC_MAIN = 1, /**< Main profile */ + AOT_AAC_LC = 2, /**< Low Complexity object */ + //AOT_AAC_SSR = 3, + //AOT_AAC_LTP = 4, + AOT_SBR = 5, + //AOT_AAC_SCAL = 6, + //AOT_TWIN_VQ = 7, + //AOT_CELP = 8, + //AOT_HVXC = 9, + //AOT_RSVD_10 = 10, /**< (reserved) */ + //AOT_RSVD_11 = 11, /**< (reserved) */ + //AOT_TTSI = 12, /**< TTSI Object */ + //AOT_MAIN_SYNTH = 13, /**< Main Synthetic object */ + //AOT_WAV_TAB_SYNTH = 14, /**< Wavetable Synthesis object */ + //AOT_GEN_MIDI = 15, /**< General MIDI object */ + //AOT_ALG_SYNTH_AUD_FX = 16, /**< Algorithmic Synthesis and Audio FX object */ + AOT_ER_AAC_LC = 17, /**< Error Resilient(ER) AAC Low Complexity */ + //AOT_RSVD_18 = 18, /**< (reserved) */ + //AOT_ER_AAC_LTP = 19, /**< Error Resilient(ER) AAC LTP object */ + AOT_ER_AAC_SCAL = 20, /**< Error Resilient(ER) AAC Scalable object */ + //AOT_ER_TWIN_VQ = 21, /**< Error Resilient(ER) TwinVQ object */ + AOT_ER_BSAC = 22, /**< Error Resilient(ER) BSAC object */ + AOT_ER_AAC_LD = 23, /**< Error Resilient(ER) AAC LowDelay object */ + //AOT_ER_CELP = 24, /**< Error Resilient(ER) CELP object */ + //AOT_ER_HVXC = 25, /**< Error Resilient(ER) HVXC object */ + //AOT_ER_HILN = 26, /**< Error Resilient(ER) HILN object */ + //AOT_ER_PARA = 27, /**< Error Resilient(ER) Parametric object */ + //AOT_RSVD_28 = 28, /**< might become SSC */ + AOT_PS = 29, /**< PS, Parametric Stereo (includes SBR) */ + //AOT_MPEGS = 30, /**< MPEG Surround */ + + AOT_ESCAPE = 31, /**< Signal AOT uses more than 5 bits */ + + //AOT_MP3ONMP4_L1 = 32, /**< MPEG-Layer1 in mp4 */ + //AOT_MP3ONMP4_L2 = 33, /**< MPEG-Layer2 in mp4 */ + //AOT_MP3ONMP4_L3 = 34, /**< MPEG-Layer3 in mp4 */ + //AOT_RSVD_35 = 35, /**< might become DST */ + //AOT_RSVD_36 = 36, /**< might become ALS */ + //AOT_AAC_SLS = 37, /**< AAC + SLS */ + //AOT_SLS = 38, /**< SLS */ + //AOT_ER_AAC_ELD = 39, /**< AAC Enhanced Low Delay */ + + //AOT_USAC = 42, /**< USAC */ + //AOT_SAOC = 43, /**< SAOC */ + //AOT_LD_MPEGS = 44, /**< Low Delay MPEG Surround */ + + //AOT_RSVD50 = 50, /**< Interim AOT for Rsvd50 */ +} AUDIO_OBJECT_TYPE; + status_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio( const void *esds_data, size_t esds_size) { ESDS esds(esds_data, esds_size); @@ -2454,7 +2506,7 @@ status_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio( sampleRate = kSamplingRate[freqIndex]; } - if (objectType == 5 || objectType == 29) { // SBR specific config per 14496-3 table 1.13 + if (objectType == AOT_SBR || objectType == AOT_PS) {//SBR specific config per 14496-3 table 1.13 uint32_t extFreqIndex = br.getBits(4); int32_t extSampleRate; if (extFreqIndex == 15) { @@ -2472,6 +2524,111 @@ status_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio( // mLastTrack->meta->setInt32(kKeyExtSampleRate, extSampleRate); } + switch (numChannels) { + // values defined in 14496-3_2009 amendment-4 Table 1.19 - Channel Configuration + case 0: + case 1:// FC + case 2:// FL FR + case 3:// FC, FL FR + case 4:// FC, FL FR, RC + case 5:// FC, FL FR, SL SR + case 6:// FC, FL FR, SL SR, LFE + //numChannels already contains the right value + break; + case 11:// FC, FL FR, SL SR, RC, LFE + numChannels = 7; + break; + case 7: // FC, FCL FCR, FL FR, SL SR, LFE + case 12:// FC, FL FR, SL SR, RL RR, LFE + case 14:// FC, FL FR, SL SR, LFE, FHL FHR + numChannels = 8; + break; + default: + return ERROR_UNSUPPORTED; + } + + { + if (objectType == AOT_SBR || objectType == AOT_PS) { + const int32_t extensionSamplingFrequency = br.getBits(4); + objectType = br.getBits(5); + + if (objectType == AOT_ESCAPE) { + objectType = 32 + br.getBits(6); + } + } + if (objectType == AOT_AAC_LC || objectType == AOT_ER_AAC_LC || + objectType == AOT_ER_AAC_LD || objectType == AOT_ER_AAC_SCAL || + objectType == AOT_ER_BSAC) { + const int32_t frameLengthFlag = br.getBits(1); + + const int32_t dependsOnCoreCoder = br.getBits(1); + + if (dependsOnCoreCoder ) { + const int32_t coreCoderDelay = br.getBits(14); + } + + const int32_t extensionFlag = br.getBits(1); + + if (numChannels == 0 ) { + int32_t channelsEffectiveNum = 0; + int32_t channelsNum = 0; + const int32_t ElementInstanceTag = br.getBits(4); + const int32_t Profile = br.getBits(2); + const int32_t SamplingFrequencyIndex = br.getBits(4); + const int32_t NumFrontChannelElements = br.getBits(4); + const int32_t NumSideChannelElements = br.getBits(4); + const int32_t NumBackChannelElements = br.getBits(4); + const int32_t NumLfeChannelElements = br.getBits(2); + const int32_t NumAssocDataElements = br.getBits(3); + const int32_t NumValidCcElements = br.getBits(4); + + const int32_t MonoMixdownPresent = br.getBits(1); + if (MonoMixdownPresent != 0) { + const int32_t MonoMixdownElementNumber = br.getBits(4); + } + + const int32_t StereoMixdownPresent = br.getBits(1); + if (StereoMixdownPresent != 0) { + const int32_t StereoMixdownElementNumber = br.getBits(4); + } + + const int32_t MatrixMixdownIndexPresent = br.getBits(1); + if (MatrixMixdownIndexPresent != 0) { + const int32_t MatrixMixdownIndex = br.getBits(2); + const int32_t PseudoSurroundEnable = br.getBits(1); + } + + int i; + for (i=0; i < NumFrontChannelElements; i++) { + const int32_t FrontElementIsCpe = br.getBits(1); + const int32_t FrontElementTagSelect = br.getBits(4); + channelsNum += FrontElementIsCpe ? 2 : 1; + } + + for (i=0; i < NumSideChannelElements; i++) { + const int32_t SideElementIsCpe = br.getBits(1); + const int32_t SideElementTagSelect = br.getBits(4); + channelsNum += SideElementIsCpe ? 2 : 1; + } + + for (i=0; i < NumBackChannelElements; i++) { + const int32_t BackElementIsCpe = br.getBits(1); + const int32_t BackElementTagSelect = br.getBits(4); + channelsNum += BackElementIsCpe ? 2 : 1; + } + channelsEffectiveNum = channelsNum; + + for (i=0; i < NumLfeChannelElements; i++) { + const int32_t LfeElementTagSelect = br.getBits(4); + channelsNum += 1; + } + ALOGV("mpeg4 audio channelsNum = %d", channelsNum); + ALOGV("mpeg4 audio channelsEffectiveNum = %d", channelsEffectiveNum); + numChannels = channelsNum; + } + } + } + if (numChannels == 0) { return ERROR_UNSUPPORTED; } diff --git a/media/libstagefright/MediaDefs.cpp b/media/libstagefright/MediaDefs.cpp index b5d4e44..340cba7 100644 --- a/media/libstagefright/MediaDefs.cpp +++ b/media/libstagefright/MediaDefs.cpp @@ -42,6 +42,7 @@ const char *MEDIA_MIMETYPE_AUDIO_RAW = "audio/raw"; const char *MEDIA_MIMETYPE_AUDIO_FLAC = "audio/flac"; const char *MEDIA_MIMETYPE_AUDIO_AAC_ADTS = "audio/aac-adts"; const char *MEDIA_MIMETYPE_AUDIO_MSGSM = "audio/gsm"; +const char *MEDIA_MIMETYPE_AUDIO_AC3 = "audio/ac3"; const char *MEDIA_MIMETYPE_CONTAINER_MPEG4 = "video/mp4"; const char *MEDIA_MIMETYPE_CONTAINER_WAV = "audio/x-wav"; diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp index 43736ad..625922f 100644 --- a/media/libstagefright/OMXCodec.cpp +++ b/media/libstagefright/OMXCodec.cpp @@ -40,7 +40,9 @@ #include <utils/Vector.h> #include <OMX_Audio.h> +#include <OMX_AudioExt.h> #include <OMX_Component.h> +#include <OMX_IndexExt.h> #include "include/avc_utils.h" @@ -528,6 +530,17 @@ status_t OMXCodec::configureCodec(const sp<MetaData> &meta) { sampleRate, numChannels); } + } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_AC3, mMIME)) { + int32_t numChannels; + int32_t sampleRate; + CHECK(meta->findInt32(kKeyChannelCount, &numChannels)); + CHECK(meta->findInt32(kKeySampleRate, &sampleRate)); + + status_t err = setAC3Format(numChannels, sampleRate); + if (err != OK) { + CODEC_LOGE("setAC3Format() failed (err = %d)", err); + return err; + } } else if (!strcasecmp(MEDIA_MIMETYPE_AUDIO_G711_ALAW, mMIME) || !strcasecmp(MEDIA_MIMETYPE_AUDIO_G711_MLAW, mMIME)) { // These are PCM-like formats with a fixed sample rate but @@ -1394,6 +1407,10 @@ void OMXCodec::setComponentRole( "audio_decoder.flac", "audio_encoder.flac" }, { MEDIA_MIMETYPE_AUDIO_MSGSM, "audio_decoder.gsm", "audio_encoder.gsm" }, + { MEDIA_MIMETYPE_VIDEO_MPEG2, + "video_decoder.mpeg2", "video_encoder.mpeg2" }, + { MEDIA_MIMETYPE_AUDIO_AC3, + "audio_decoder.ac3", "audio_encoder.ac3" }, }; static const size_t kNumMimeToRole = @@ -3489,6 +3506,31 @@ status_t OMXCodec::setAACFormat( return OK; } +status_t OMXCodec::setAC3Format(int32_t numChannels, int32_t sampleRate) { + OMX_AUDIO_PARAM_ANDROID_AC3TYPE def; + InitOMXParams(&def); + def.nPortIndex = kPortIndexInput; + + status_t err = mOMX->getParameter( + mNode, + (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3, + &def, + sizeof(def)); + + if (err != OK) { + return err; + } + + def.nChannels = numChannels; + def.nSampleRate = sampleRate; + + return mOMX->setParameter( + mNode, + (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3, + &def, + sizeof(def)); +} + void OMXCodec::setG711Format(int32_t numChannels) { CHECK(!mIsEncoder); setRawAudioFormat(kPortIndexInput, 8000, numChannels); @@ -4422,6 +4464,17 @@ void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) { mOutputFormat->setInt32(kKeyChannelCount, numChannels); mOutputFormat->setInt32(kKeySampleRate, sampleRate); mOutputFormat->setInt32(kKeyBitRate, bitRate); + } else if (audio_def->eEncoding == + (OMX_AUDIO_CODINGTYPE)OMX_AUDIO_CodingAndroidAC3) { + mOutputFormat->setCString( + kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AC3); + int32_t numChannels, sampleRate, bitRate; + inputFormat->findInt32(kKeyChannelCount, &numChannels); + inputFormat->findInt32(kKeySampleRate, &sampleRate); + inputFormat->findInt32(kKeyBitRate, &bitRate); + mOutputFormat->setInt32(kKeyChannelCount, numChannels); + mOutputFormat->setInt32(kKeySampleRate, sampleRate); + mOutputFormat->setInt32(kKeyBitRate, bitRate); } else { CHECK(!"Should not be here. Unknown audio encoding."); } diff --git a/media/libstagefright/SkipCutBuffer.cpp b/media/libstagefright/SkipCutBuffer.cpp index 773854f..e2e6d79 100644 --- a/media/libstagefright/SkipCutBuffer.cpp +++ b/media/libstagefright/SkipCutBuffer.cpp @@ -25,7 +25,7 @@ namespace android { SkipCutBuffer::SkipCutBuffer(int32_t skip, int32_t cut) { - mFrontPadding = skip; + mFrontPadding = mSkip = skip; mBackPadding = cut; mWriteHead = 0; mReadHead = 0; @@ -94,6 +94,7 @@ void SkipCutBuffer::submit(const sp<ABuffer>& buffer) { void SkipCutBuffer::clear() { mWriteHead = mReadHead = 0; + mFrontPadding = mSkip; } void SkipCutBuffer::write(const char *src, size_t num) { diff --git a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp index 1b20cbb..2f5eff4 100644 --- a/media/libstagefright/codecs/aacdec/SoftAAC2.cpp +++ b/media/libstagefright/codecs/aacdec/SoftAAC2.cpp @@ -30,7 +30,7 @@ #define DRC_DEFAULT_MOBILE_REF_LEVEL 64 /* 64*-0.25dB = -16 dB below full scale for mobile conf */ #define DRC_DEFAULT_MOBILE_DRC_CUT 127 /* maximum compression of dynamic range for mobile conf */ #define DRC_DEFAULT_MOBILE_DRC_BOOST 127 /* maximum compression of dynamic range for mobile conf */ -#define MAX_CHANNEL_COUNT 6 /* maximum number of audio channels that can be decoded */ +#define MAX_CHANNEL_COUNT 8 /* maximum number of audio channels that can be decoded */ // names of properties that can be used to override the default DRC settings #define PROP_DRC_OVERRIDE_REF_LEVEL "aac_drc_reference_level" #define PROP_DRC_OVERRIDE_CUT "aac_drc_cut" @@ -58,6 +58,8 @@ SoftAAC2::SoftAAC2( mIsADTS(false), mInputBufferCount(0), mSignalledError(false), + mSawInputEos(false), + mSignalledOutputEos(false), mAnchorTimeUs(0), mNumSamplesOutput(0), mOutputPortSettingsChange(NONE) { @@ -294,8 +296,11 @@ void SoftAAC2::maybeConfigureDownmix() const { if (!(property_get("media.aac_51_output_enabled", value, NULL) && (!strcmp(value, "1") || !strcasecmp(value, "true")))) { ALOGI("Downmixing multichannel AAC to stereo"); - aacDecoder_SetParam(mAACDecoder, AAC_PCM_OUTPUT_CHANNELS, 2); + aacDecoder_SetParam(mAACDecoder, AAC_PCM_MAX_OUTPUT_CHANNELS, 2); mStreamInfo->numChannels = 2; + // By default, the decoder creates a 5.1 channel downmix signal + // for seven and eight channel input streams. To enable 6.1 and 7.1 channel output + // use aacDecoder_SetParam(mAACDecoder, AAC_PCM_MAX_OUTPUT_CHANNELS, -1) } } } @@ -350,115 +355,83 @@ void SoftAAC2::onQueueFilled(OMX_U32 portIndex) { return; } - while (!inQueue.empty() && !outQueue.empty()) { - BufferInfo *inInfo = *inQueue.begin(); - OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader; + while ((!inQueue.empty() || (mSawInputEos && !mSignalledOutputEos)) && !outQueue.empty()) { + BufferInfo *inInfo = NULL; + OMX_BUFFERHEADERTYPE *inHeader = NULL; + if (!inQueue.empty()) { + inInfo = *inQueue.begin(); + inHeader = inInfo->mHeader; + } BufferInfo *outInfo = *outQueue.begin(); OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader; + outHeader->nFlags = 0; - if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { - inQueue.erase(inQueue.begin()); - inInfo->mOwnedByUs = false; - notifyEmptyBufferDone(inHeader); - - if (mDecoderHasData) { - // flush out the decoder's delayed data by calling DecodeFrame - // one more time, with the AACDEC_FLUSH flag set - INT_PCM *outBuffer = - reinterpret_cast<INT_PCM *>( - outHeader->pBuffer + outHeader->nOffset); - - AAC_DECODER_ERROR decoderErr = - aacDecoder_DecodeFrame(mAACDecoder, - outBuffer, - outHeader->nAllocLen, - AACDEC_FLUSH); - mDecoderHasData = false; - - if (decoderErr != AAC_DEC_OK) { - mSignalledError = true; - - notify(OMX_EventError, OMX_ErrorUndefined, decoderErr, - NULL); - - return; - } - - outHeader->nFilledLen = - mStreamInfo->frameSize - * sizeof(int16_t) - * mStreamInfo->numChannels; - } else { - // we never submitted any data to the decoder, so there's nothing to flush out - outHeader->nFilledLen = 0; + if (inHeader) { + if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { + mSawInputEos = true; } - outHeader->nFlags = OMX_BUFFERFLAG_EOS; - - outQueue.erase(outQueue.begin()); - outInfo->mOwnedByUs = false; - notifyFillBufferDone(outHeader); - return; - } - - if (inHeader->nOffset == 0) { - mAnchorTimeUs = inHeader->nTimeStamp; - mNumSamplesOutput = 0; - } + if (inHeader->nOffset == 0 && inHeader->nFilledLen) { + mAnchorTimeUs = inHeader->nTimeStamp; + mNumSamplesOutput = 0; + } - size_t adtsHeaderSize = 0; - if (mIsADTS) { - // skip 30 bits, aac_frame_length follows. - // ssssssss ssssiiip ppffffPc ccohCCll llllllll lll????? + if (mIsADTS) { + size_t adtsHeaderSize = 0; + // skip 30 bits, aac_frame_length follows. + // ssssssss ssssiiip ppffffPc ccohCCll llllllll lll????? - const uint8_t *adtsHeader = inHeader->pBuffer + inHeader->nOffset; + const uint8_t *adtsHeader = inHeader->pBuffer + inHeader->nOffset; - bool signalError = false; - if (inHeader->nFilledLen < 7) { - ALOGE("Audio data too short to contain even the ADTS header. " - "Got %ld bytes.", inHeader->nFilledLen); - hexdump(adtsHeader, inHeader->nFilledLen); - signalError = true; - } else { - bool protectionAbsent = (adtsHeader[1] & 1); - - unsigned aac_frame_length = - ((adtsHeader[3] & 3) << 11) - | (adtsHeader[4] << 3) - | (adtsHeader[5] >> 5); - - if (inHeader->nFilledLen < aac_frame_length) { - ALOGE("Not enough audio data for the complete frame. " - "Got %ld bytes, frame size according to the ADTS " - "header is %u bytes.", - inHeader->nFilledLen, aac_frame_length); + bool signalError = false; + if (inHeader->nFilledLen < 7) { + ALOGE("Audio data too short to contain even the ADTS header. " + "Got %ld bytes.", inHeader->nFilledLen); hexdump(adtsHeader, inHeader->nFilledLen); signalError = true; } else { - adtsHeaderSize = (protectionAbsent ? 7 : 9); - - inBuffer[0] = (UCHAR *)adtsHeader + adtsHeaderSize; - inBufferLength[0] = aac_frame_length - adtsHeaderSize; - - inHeader->nOffset += adtsHeaderSize; - inHeader->nFilledLen -= adtsHeaderSize; + bool protectionAbsent = (adtsHeader[1] & 1); + + unsigned aac_frame_length = + ((adtsHeader[3] & 3) << 11) + | (adtsHeader[4] << 3) + | (adtsHeader[5] >> 5); + + if (inHeader->nFilledLen < aac_frame_length) { + ALOGE("Not enough audio data for the complete frame. " + "Got %ld bytes, frame size according to the ADTS " + "header is %u bytes.", + inHeader->nFilledLen, aac_frame_length); + hexdump(adtsHeader, inHeader->nFilledLen); + signalError = true; + } else { + adtsHeaderSize = (protectionAbsent ? 7 : 9); + + inBuffer[0] = (UCHAR *)adtsHeader + adtsHeaderSize; + inBufferLength[0] = aac_frame_length - adtsHeaderSize; + + inHeader->nOffset += adtsHeaderSize; + inHeader->nFilledLen -= adtsHeaderSize; + } } - } - if (signalError) { - mSignalledError = true; + if (signalError) { + mSignalledError = true; - notify(OMX_EventError, - OMX_ErrorStreamCorrupt, - ERROR_MALFORMED, - NULL); + notify(OMX_EventError, + OMX_ErrorStreamCorrupt, + ERROR_MALFORMED, + NULL); - return; + return; + } + } else { + inBuffer[0] = inHeader->pBuffer + inHeader->nOffset; + inBufferLength[0] = inHeader->nFilledLen; } } else { - inBuffer[0] = inHeader->pBuffer + inHeader->nOffset; - inBufferLength[0] = inHeader->nFilledLen; + inBufferLength[0] = 0; } // Fill and decode @@ -471,50 +444,66 @@ void SoftAAC2::onQueueFilled(OMX_U32 portIndex) { int prevNumChannels = mStreamInfo->numChannels; AAC_DECODER_ERROR decoderErr = AAC_DEC_NOT_ENOUGH_BITS; - while (bytesValid[0] > 0 && decoderErr == AAC_DEC_NOT_ENOUGH_BITS) { + while ((bytesValid[0] > 0 || mSawInputEos) && decoderErr == AAC_DEC_NOT_ENOUGH_BITS) { + mDecoderHasData |= (bytesValid[0] > 0); aacDecoder_Fill(mAACDecoder, inBuffer, inBufferLength, bytesValid); - mDecoderHasData = true; decoderErr = aacDecoder_DecodeFrame(mAACDecoder, outBuffer, outHeader->nAllocLen, 0 /* flags */); - if (decoderErr == AAC_DEC_NOT_ENOUGH_BITS) { - ALOGW("Not enough bits, bytesValid %d", bytesValid[0]); + if (mSawInputEos && bytesValid[0] <= 0) { + if (mDecoderHasData) { + // flush out the decoder's delayed data by calling DecodeFrame + // one more time, with the AACDEC_FLUSH flag set + decoderErr = aacDecoder_DecodeFrame(mAACDecoder, + outBuffer, + outHeader->nAllocLen, + AACDEC_FLUSH); + mDecoderHasData = false; + } + outHeader->nFlags = OMX_BUFFERFLAG_EOS; + mSignalledOutputEos = true; + break; + } else { + ALOGW("Not enough bits, bytesValid %d", bytesValid[0]); + } } } size_t numOutBytes = mStreamInfo->frameSize * sizeof(int16_t) * mStreamInfo->numChannels; - if (decoderErr == AAC_DEC_OK) { - UINT inBufferUsedLength = inBufferLength[0] - bytesValid[0]; - inHeader->nFilledLen -= inBufferUsedLength; - inHeader->nOffset += inBufferUsedLength; - } else { - ALOGW("AAC decoder returned error %d, substituting silence", - decoderErr); + if (inHeader) { + if (decoderErr == AAC_DEC_OK) { + UINT inBufferUsedLength = inBufferLength[0] - bytesValid[0]; + inHeader->nFilledLen -= inBufferUsedLength; + inHeader->nOffset += inBufferUsedLength; + } else { + ALOGW("AAC decoder returned error %d, substituting silence", + decoderErr); - memset(outHeader->pBuffer + outHeader->nOffset, 0, numOutBytes); + memset(outHeader->pBuffer + outHeader->nOffset, 0, numOutBytes); - // Discard input buffer. - inHeader->nFilledLen = 0; + // Discard input buffer. + inHeader->nFilledLen = 0; - aacDecoder_SetParam(mAACDecoder, AAC_TPDEC_CLEAR_BUFFER, 1); + aacDecoder_SetParam(mAACDecoder, AAC_TPDEC_CLEAR_BUFFER, 1); - // fall through - } + // fall through + } - if (inHeader->nFilledLen == 0) { - inInfo->mOwnedByUs = false; - inQueue.erase(inQueue.begin()); - inInfo = NULL; - notifyEmptyBufferDone(inHeader); - inHeader = NULL; + if (inHeader->nFilledLen == 0) { + inInfo->mOwnedByUs = false; + inQueue.erase(inQueue.begin()); + inInfo = NULL; + notifyEmptyBufferDone(inHeader); + inHeader = NULL; + } } /* @@ -555,7 +544,6 @@ void SoftAAC2::onQueueFilled(OMX_U32 portIndex) { // we've previously decoded valid data, in the latter case // (decode failed) we'll output a silent frame. outHeader->nFilledLen = numOutBytes; - outHeader->nFlags = 0; outHeader->nTimeStamp = mAnchorTimeUs @@ -582,6 +570,12 @@ void SoftAAC2::onPortFlushCompleted(OMX_U32 portIndex) { // depend on fragments from the last one decoded. // drain all existing data drainDecoder(); + // force decoder loop to drop the first decoded buffer by resetting these state variables, + // but only if initialization has already happened. + if (mInputBufferCount != 0) { + mInputBufferCount = 1; + mStreamInfo->sampleRate = 0; + } } } @@ -606,6 +600,8 @@ void SoftAAC2::onReset() { mStreamInfo->sampleRate = 0; mSignalledError = false; + mSawInputEos = false; + mSignalledOutputEos = false; mOutputPortSettingsChange = NONE; } diff --git a/media/libstagefright/codecs/aacdec/SoftAAC2.h b/media/libstagefright/codecs/aacdec/SoftAAC2.h index 2d960ab..a7ea1e2 100644 --- a/media/libstagefright/codecs/aacdec/SoftAAC2.h +++ b/media/libstagefright/codecs/aacdec/SoftAAC2.h @@ -55,6 +55,8 @@ private: bool mDecoderHasData; size_t mInputBufferCount; bool mSignalledError; + bool mSawInputEos; + bool mSignalledOutputEos; int64_t mAnchorTimeUs; int64_t mNumSamplesOutput; diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp index 7c382fb..877e3cb 100644 --- a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp +++ b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp @@ -49,6 +49,8 @@ SoftMP3::SoftMP3( mNumChannels(2), mSamplingRate(44100), mSignalledError(false), + mSawInputEos(false), + mSignalledOutputEos(false), mOutputPortSettingsChange(NONE) { initPorts(); initDecoder(); @@ -194,48 +196,36 @@ void SoftMP3::onQueueFilled(OMX_U32 portIndex) { List<BufferInfo *> &inQueue = getPortQueue(0); List<BufferInfo *> &outQueue = getPortQueue(1); - while (!inQueue.empty() && !outQueue.empty()) { - BufferInfo *inInfo = *inQueue.begin(); - OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader; + while ((!inQueue.empty() || (mSawInputEos && !mSignalledOutputEos)) && !outQueue.empty()) { + BufferInfo *inInfo = NULL; + OMX_BUFFERHEADERTYPE *inHeader = NULL; + if (!inQueue.empty()) { + inInfo = *inQueue.begin(); + inHeader = inInfo->mHeader; + } BufferInfo *outInfo = *outQueue.begin(); OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader; + outHeader->nFlags = 0; - if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { - inQueue.erase(inQueue.begin()); - inInfo->mOwnedByUs = false; - notifyEmptyBufferDone(inHeader); - - if (!mIsFirst) { - // pad the end of the stream with 529 samples, since that many samples - // were trimmed off the beginning when decoding started - outHeader->nFilledLen = - kPVMP3DecoderDelay * mNumChannels * sizeof(int16_t); + if (inHeader) { + if (inHeader->nOffset == 0 && inHeader->nFilledLen) { + mAnchorTimeUs = inHeader->nTimeStamp; + mNumFramesOutput = 0; + } - memset(outHeader->pBuffer, 0, outHeader->nFilledLen); - } else { - // Since we never discarded frames from the start, we won't have - // to add any padding at the end either. - outHeader->nFilledLen = 0; + if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { + mSawInputEos = true; } - outHeader->nFlags = OMX_BUFFERFLAG_EOS; + mConfig->pInputBuffer = + inHeader->pBuffer + inHeader->nOffset; - outQueue.erase(outQueue.begin()); - outInfo->mOwnedByUs = false; - notifyFillBufferDone(outHeader); - return; - } - - if (inHeader->nOffset == 0) { - mAnchorTimeUs = inHeader->nTimeStamp; - mNumFramesOutput = 0; + mConfig->inputBufferCurrentLength = inHeader->nFilledLen; + } else { + mConfig->pInputBuffer = NULL; + mConfig->inputBufferCurrentLength = 0; } - - mConfig->pInputBuffer = - inHeader->pBuffer + inHeader->nOffset; - - mConfig->inputBufferCurrentLength = inHeader->nFilledLen; mConfig->inputBufferMaxLength = 0; mConfig->inputBufferUsedLength = 0; @@ -262,13 +252,28 @@ void SoftMP3::onQueueFilled(OMX_U32 portIndex) { mConfig->outputFrameSize = kOutputBufferSize / sizeof(int16_t); } - // This is recoverable, just ignore the current frame and - // play silence instead. - memset(outHeader->pBuffer, - 0, - mConfig->outputFrameSize * sizeof(int16_t)); - - mConfig->inputBufferUsedLength = inHeader->nFilledLen; + if (decoderErr == NO_ENOUGH_MAIN_DATA_ERROR && mSawInputEos) { + if (!mIsFirst) { + // pad the end of the stream with 529 samples, since that many samples + // were trimmed off the beginning when decoding started + outHeader->nOffset = 0; + outHeader->nFilledLen = kPVMP3DecoderDelay * mNumChannels * sizeof(int16_t); + + memset(outHeader->pBuffer, 0, outHeader->nFilledLen); + } + outHeader->nFlags = OMX_BUFFERFLAG_EOS; + mSignalledOutputEos = true; + } else { + // This is recoverable, just ignore the current frame and + // play silence instead. + memset(outHeader->pBuffer, + 0, + mConfig->outputFrameSize * sizeof(int16_t)); + + if (inHeader) { + mConfig->inputBufferUsedLength = inHeader->nFilledLen; + } + } } else if (mConfig->samplingRate != mSamplingRate || mConfig->num_channels != mNumChannels) { mSamplingRate = mConfig->samplingRate; @@ -289,7 +294,7 @@ void SoftMP3::onQueueFilled(OMX_U32 portIndex) { outHeader->nFilledLen = mConfig->outputFrameSize * sizeof(int16_t) - outHeader->nOffset; - } else { + } else if (!mSignalledOutputEos) { outHeader->nOffset = 0; outHeader->nFilledLen = mConfig->outputFrameSize * sizeof(int16_t); } @@ -298,23 +303,24 @@ void SoftMP3::onQueueFilled(OMX_U32 portIndex) { mAnchorTimeUs + (mNumFramesOutput * 1000000ll) / mConfig->samplingRate; - outHeader->nFlags = 0; - - CHECK_GE(inHeader->nFilledLen, mConfig->inputBufferUsedLength); + if (inHeader) { + CHECK_GE(inHeader->nFilledLen, mConfig->inputBufferUsedLength); - inHeader->nOffset += mConfig->inputBufferUsedLength; - inHeader->nFilledLen -= mConfig->inputBufferUsedLength; + inHeader->nOffset += mConfig->inputBufferUsedLength; + inHeader->nFilledLen -= mConfig->inputBufferUsedLength; - mNumFramesOutput += mConfig->outputFrameSize / mNumChannels; - if (inHeader->nFilledLen == 0) { - inInfo->mOwnedByUs = false; - inQueue.erase(inQueue.begin()); - inInfo = NULL; - notifyEmptyBufferDone(inHeader); - inHeader = NULL; + if (inHeader->nFilledLen == 0) { + inInfo->mOwnedByUs = false; + inQueue.erase(inQueue.begin()); + inInfo = NULL; + notifyEmptyBufferDone(inHeader); + inHeader = NULL; + } } + mNumFramesOutput += mConfig->outputFrameSize / mNumChannels; + outInfo->mOwnedByUs = false; outQueue.erase(outQueue.begin()); outInfo = NULL; @@ -362,6 +368,8 @@ void SoftMP3::onReset() { pvmp3_InitDecoder(mConfig, mDecoderBuf); mIsFirst = true; mSignalledError = false; + mSawInputEos = false; + mSignalledOutputEos = false; mOutputPortSettingsChange = NONE; } diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.h b/media/libstagefright/codecs/mp3dec/SoftMP3.h index 4af91ea..f9e7b53 100644 --- a/media/libstagefright/codecs/mp3dec/SoftMP3.h +++ b/media/libstagefright/codecs/mp3dec/SoftMP3.h @@ -61,6 +61,8 @@ private: bool mIsFirst; bool mSignalledError; + bool mSawInputEos; + bool mSignalledOutputEos; enum { NONE, diff --git a/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp b/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp index 51bb958..515e4d3 100644 --- a/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp +++ b/media/libstagefright/codecs/vorbis/dec/SoftVorbis.cpp @@ -54,6 +54,8 @@ SoftVorbis::SoftVorbis( mAnchorTimeUs(0), mNumFramesOutput(0), mNumFramesLeftOnPage(-1), + mSawInputEos(false), + mSignalledOutputEos(false), mOutputPortSettingsChange(NONE) { initPorts(); CHECK_EQ(initDecoder(), (status_t)OK); @@ -290,48 +292,47 @@ void SoftVorbis::onQueueFilled(OMX_U32 portIndex) { return; } - while (!inQueue.empty() && !outQueue.empty()) { - BufferInfo *inInfo = *inQueue.begin(); - OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader; + while ((!inQueue.empty() || (mSawInputEos && !mSignalledOutputEos)) && !outQueue.empty()) { + BufferInfo *inInfo = NULL; + OMX_BUFFERHEADERTYPE *inHeader = NULL; + if (!inQueue.empty()) { + inInfo = *inQueue.begin(); + inHeader = inInfo->mHeader; + } BufferInfo *outInfo = *outQueue.begin(); OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader; - if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { - inQueue.erase(inQueue.begin()); - inInfo->mOwnedByUs = false; - notifyEmptyBufferDone(inHeader); + int32_t numPageSamples = 0; - outHeader->nFilledLen = 0; - outHeader->nFlags = OMX_BUFFERFLAG_EOS; + if (inHeader) { + if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { + mSawInputEos = true; + } - outQueue.erase(outQueue.begin()); - outInfo->mOwnedByUs = false; - notifyFillBufferDone(outHeader); - return; - } + if (inHeader->nFilledLen || !mSawInputEos) { + CHECK_GE(inHeader->nFilledLen, sizeof(numPageSamples)); + memcpy(&numPageSamples, + inHeader->pBuffer + + inHeader->nOffset + inHeader->nFilledLen - 4, + sizeof(numPageSamples)); - int32_t numPageSamples; - CHECK_GE(inHeader->nFilledLen, sizeof(numPageSamples)); - memcpy(&numPageSamples, - inHeader->pBuffer - + inHeader->nOffset + inHeader->nFilledLen - 4, - sizeof(numPageSamples)); + if (inHeader->nOffset == 0) { + mAnchorTimeUs = inHeader->nTimeStamp; + mNumFramesOutput = 0; + } - if (numPageSamples >= 0) { - mNumFramesLeftOnPage = numPageSamples; + inHeader->nFilledLen -= sizeof(numPageSamples);; + } } - if (inHeader->nOffset == 0) { - mAnchorTimeUs = inHeader->nTimeStamp; - mNumFramesOutput = 0; + if (numPageSamples >= 0) { + mNumFramesLeftOnPage = numPageSamples; } - inHeader->nFilledLen -= sizeof(numPageSamples);; - ogg_buffer buf; - buf.data = inHeader->pBuffer + inHeader->nOffset; - buf.size = inHeader->nFilledLen; + buf.data = inHeader ? inHeader->pBuffer + inHeader->nOffset : NULL; + buf.size = inHeader ? inHeader->nFilledLen : 0; buf.refcount = 1; buf.ptr.owner = NULL; @@ -351,6 +352,7 @@ void SoftVorbis::onQueueFilled(OMX_U32 portIndex) { int numFrames = 0; + outHeader->nFlags = 0; int err = vorbis_dsp_synthesis(mState, &pack, 1); if (err != 0) { ALOGW("vorbis_dsp_synthesis returned %d", err); @@ -370,13 +372,16 @@ void SoftVorbis::onQueueFilled(OMX_U32 portIndex) { ALOGV("discarding %d frames at end of page", numFrames - mNumFramesLeftOnPage); numFrames = mNumFramesLeftOnPage; + if (mSawInputEos) { + outHeader->nFlags = OMX_BUFFERFLAG_EOS; + mSignalledOutputEos = true; + } } mNumFramesLeftOnPage -= numFrames; } outHeader->nFilledLen = numFrames * sizeof(int16_t) * mVi->channels; outHeader->nOffset = 0; - outHeader->nFlags = 0; outHeader->nTimeStamp = mAnchorTimeUs @@ -384,11 +389,13 @@ void SoftVorbis::onQueueFilled(OMX_U32 portIndex) { mNumFramesOutput += numFrames; - inInfo->mOwnedByUs = false; - inQueue.erase(inQueue.begin()); - inInfo = NULL; - notifyEmptyBufferDone(inHeader); - inHeader = NULL; + if (inHeader) { + inInfo->mOwnedByUs = false; + inQueue.erase(inQueue.begin()); + inInfo = NULL; + notifyEmptyBufferDone(inHeader); + inHeader = NULL; + } outInfo->mOwnedByUs = false; outQueue.erase(outQueue.begin()); @@ -425,6 +432,8 @@ void SoftVorbis::onReset() { mVi = NULL; } + mSawInputEos = false; + mSignalledOutputEos = false; mOutputPortSettingsChange = NONE; } diff --git a/media/libstagefright/codecs/vorbis/dec/SoftVorbis.h b/media/libstagefright/codecs/vorbis/dec/SoftVorbis.h index cb628a0..1d00816 100644 --- a/media/libstagefright/codecs/vorbis/dec/SoftVorbis.h +++ b/media/libstagefright/codecs/vorbis/dec/SoftVorbis.h @@ -59,6 +59,8 @@ private: int64_t mAnchorTimeUs; int64_t mNumFramesOutput; int32_t mNumFramesLeftOnPage; + bool mSawInputEos; + bool mSignalledOutputEos; enum { NONE, diff --git a/media/libstagefright/httplive/LiveSession.cpp b/media/libstagefright/httplive/LiveSession.cpp index bd12ddc..233db44 100644 --- a/media/libstagefright/httplive/LiveSession.cpp +++ b/media/libstagefright/httplive/LiveSession.cpp @@ -632,9 +632,6 @@ sp<M3UParser> LiveSession::fetchPlaylist( // playlist unchanged *unchanged = true; - ALOGV("Playlist unchanged, refresh state is now %d", - (int)mRefreshState); - return NULL; } diff --git a/media/libstagefright/httplive/PlaylistFetcher.cpp b/media/libstagefright/httplive/PlaylistFetcher.cpp index 973b779..f095987 100644 --- a/media/libstagefright/httplive/PlaylistFetcher.cpp +++ b/media/libstagefright/httplive/PlaylistFetcher.cpp @@ -47,6 +47,7 @@ namespace android { // static const int64_t PlaylistFetcher::kMinBufferedDurationUs = 10000000ll; +const int64_t PlaylistFetcher::kMaxMonitorDelayUs = 3000000ll; PlaylistFetcher::PlaylistFetcher( const sp<AMessage> ¬ify, @@ -61,6 +62,7 @@ PlaylistFetcher::PlaylistFetcher( mSeqNumber(-1), mNumRetries(0), mStartup(true), + mPrepared(false), mNextPTSTimeUs(-1ll), mMonitorQueueGeneration(0), mRefreshState(INITIAL_MINIMUM_RELOAD_DELAY), @@ -103,10 +105,16 @@ int64_t PlaylistFetcher::getSegmentStartTimeUs(int32_t seqNumber) const { return segmentStartUs; } -bool PlaylistFetcher::timeToRefreshPlaylist(int64_t nowUs) const { - if (mPlaylist == NULL) { +int64_t PlaylistFetcher::delayUsToRefreshPlaylist() const { + int64_t nowUs = ALooper::GetNowUs(); + + if (mPlaylist == NULL || mLastPlaylistFetchTimeUs < 0ll) { CHECK_EQ((int)mRefreshState, (int)INITIAL_MINIMUM_RELOAD_DELAY); - return true; + return 0ll; + } + + if (mPlaylist->isComplete()) { + return (~0llu >> 1); } int32_t targetDurationSecs; @@ -157,7 +165,8 @@ bool PlaylistFetcher::timeToRefreshPlaylist(int64_t nowUs) const { break; } - return mLastPlaylistFetchTimeUs + minPlaylistAgeUs <= nowUs; + int64_t delayUs = mLastPlaylistFetchTimeUs + minPlaylistAgeUs - nowUs; + return delayUs > 0ll ? delayUs : 0ll; } status_t PlaylistFetcher::decryptBuffer( @@ -274,7 +283,15 @@ status_t PlaylistFetcher::decryptBuffer( return OK; } -void PlaylistFetcher::postMonitorQueue(int64_t delayUs) { +void PlaylistFetcher::postMonitorQueue(int64_t delayUs, int64_t minDelayUs) { + int64_t maxDelayUs = delayUsToRefreshPlaylist(); + if (maxDelayUs < minDelayUs) { + maxDelayUs = minDelayUs; + } + if (delayUs > maxDelayUs) { + ALOGV("Need to refresh playlist in %lld", maxDelayUs); + delayUs = maxDelayUs; + } sp<AMessage> msg = new AMessage(kWhatMonitorQueue, id()); msg->setInt32("generation", mMonitorQueueGeneration); msg->post(delayUs); @@ -415,6 +432,7 @@ status_t PlaylistFetcher::onStart(const sp<AMessage> &msg) { if (mStartTimeUs >= 0ll) { mSeqNumber = -1; mStartup = true; + mPrepared = false; } postMonitorQueue(); @@ -456,40 +474,62 @@ void PlaylistFetcher::queueDiscontinuity( void PlaylistFetcher::onMonitorQueue() { bool downloadMore = false; + refreshPlaylist(); + + int32_t targetDurationSecs; + int64_t targetDurationUs = kMinBufferedDurationUs; + if (mPlaylist != NULL) { + CHECK(mPlaylist->meta()->findInt32("target-duration", &targetDurationSecs)); + targetDurationUs = targetDurationSecs * 1000000ll; + } - status_t finalResult; + // buffer at least 3 times the target duration, or up to 10 seconds + int64_t durationToBufferUs = targetDurationUs * 3; + if (durationToBufferUs > kMinBufferedDurationUs) { + durationToBufferUs = kMinBufferedDurationUs; + } + + int64_t bufferedDurationUs = 0ll; + status_t finalResult = NOT_ENOUGH_DATA; if (mStreamTypeMask == LiveSession::STREAMTYPE_SUBTITLES) { sp<AnotherPacketSource> packetSource = mPacketSources.valueFor(LiveSession::STREAMTYPE_SUBTITLES); - int64_t bufferedDurationUs = + bufferedDurationUs = packetSource->getBufferedDurationUs(&finalResult); - - downloadMore = (bufferedDurationUs < kMinBufferedDurationUs); finalResult = OK; } else { bool first = true; - int64_t minBufferedDurationUs = 0ll; for (size_t i = 0; i < mPacketSources.size(); ++i) { if ((mStreamTypeMask & mPacketSources.keyAt(i)) == 0) { continue; } - int64_t bufferedDurationUs = + int64_t bufferedStreamDurationUs = mPacketSources.valueAt(i)->getBufferedDurationUs(&finalResult); - - if (first || bufferedDurationUs < minBufferedDurationUs) { - minBufferedDurationUs = bufferedDurationUs; + if (first || bufferedStreamDurationUs < bufferedDurationUs) { + bufferedDurationUs = bufferedStreamDurationUs; first = false; } } + } + downloadMore = (bufferedDurationUs < durationToBufferUs); - downloadMore = - !first && (minBufferedDurationUs < kMinBufferedDurationUs); + // signal start if buffered up at least the target size + if (!mPrepared && bufferedDurationUs > targetDurationUs && downloadMore) { + mPrepared = true; + + ALOGV("prepared, buffered=%lld > %lld", + bufferedDurationUs, targetDurationUs); + sp<AMessage> msg = mNotify->dup(); + msg->setInt32("what", kWhatTemporarilyDoneFetching); + msg->post(); } if (finalResult == OK && downloadMore) { + ALOGV("monitoring, buffered=%lld < %lld", + bufferedDurationUs, durationToBufferUs); onDownloadNext(); } else { // Nothing to do yet, try again in a second. @@ -498,15 +538,17 @@ void PlaylistFetcher::onMonitorQueue() { msg->setInt32("what", kWhatTemporarilyDoneFetching); msg->post(); - postMonitorQueue(1000000ll); + int64_t delayUs = mPrepared ? kMaxMonitorDelayUs : targetDurationUs / 2; + ALOGV("pausing for %lld, buffered=%lld > %lld", + delayUs, bufferedDurationUs, durationToBufferUs); + // :TRICKY: need to enforce minimum delay because the delay to + // refresh the playlist will become 0 + postMonitorQueue(delayUs, mPrepared ? targetDurationUs * 2 : 0); } } -void PlaylistFetcher::onDownloadNext() { - int64_t nowUs = ALooper::GetNowUs(); - - if (mLastPlaylistFetchTimeUs < 0ll - || (!mPlaylist->isComplete() && timeToRefreshPlaylist(nowUs))) { +status_t PlaylistFetcher::refreshPlaylist() { + if (delayUsToRefreshPlaylist() <= 0) { bool unchanged; sp<M3UParser> playlist = mSession->fetchPlaylist( mURI.c_str(), mPlaylistHash, &unchanged); @@ -522,7 +564,7 @@ void PlaylistFetcher::onDownloadNext() { } else { ALOGE("failed to load playlist at url '%s'", mURI.c_str()); notifyError(ERROR_IO); - return; + return ERROR_IO; } } else { mRefreshState = INITIAL_MINIMUM_RELOAD_DELAY; @@ -535,6 +577,13 @@ void PlaylistFetcher::onDownloadNext() { mLastPlaylistFetchTimeUs = ALooper::GetNowUs(); } + return OK; +} + +void PlaylistFetcher::onDownloadNext() { + if (refreshPlaylist() != OK) { + return; + } int32_t firstSeqNumberInPlaylist; if (mPlaylist->meta() == NULL || !mPlaylist->meta()->findInt32( @@ -553,12 +602,18 @@ void PlaylistFetcher::onDownloadNext() { if (mPlaylist->isComplete() || mPlaylist->isEvent()) { mSeqNumber = getSeqNumberForTime(mStartTimeUs); + ALOGV("Initial sequence number for time %lld is %ld from (%ld .. %ld)", + mStartTimeUs, mSeqNumber, firstSeqNumberInPlaylist, + lastSeqNumberInPlaylist); } else { // If this is a live session, start 3 segments from the end. mSeqNumber = lastSeqNumberInPlaylist - 3; if (mSeqNumber < firstSeqNumberInPlaylist) { mSeqNumber = firstSeqNumberInPlaylist; } + ALOGV("Initial sequence number for live event %ld from (%ld .. %ld)", + mSeqNumber, firstSeqNumberInPlaylist, + lastSeqNumberInPlaylist); } mStartTimeUs = -1ll; @@ -570,16 +625,34 @@ void PlaylistFetcher::onDownloadNext() { ++mNumRetries; if (mSeqNumber > lastSeqNumberInPlaylist) { - mLastPlaylistFetchTimeUs = -1; - postMonitorQueue(3000000ll); + // refresh in increasing fraction (1/2, 1/3, ...) of the + // playlist's target duration or 3 seconds, whichever is less + int32_t targetDurationSecs; + CHECK(mPlaylist->meta()->findInt32( + "target-duration", &targetDurationSecs)); + int64_t delayUs = mPlaylist->size() * targetDurationSecs * + 1000000ll / (1 + mNumRetries); + if (delayUs > kMaxMonitorDelayUs) { + delayUs = kMaxMonitorDelayUs; + } + ALOGV("sequence number high: %ld from (%ld .. %ld), monitor in %lld (retry=%d)", + mSeqNumber, firstSeqNumberInPlaylist, + lastSeqNumberInPlaylist, delayUs, mNumRetries); + postMonitorQueue(delayUs); return; } // we've missed the boat, let's start from the lowest sequence // number available and signal a discontinuity. - ALOGI("We've missed the boat, restarting playback."); - mSeqNumber = lastSeqNumberInPlaylist; + ALOGI("We've missed the boat, restarting playback." + " mStartup=%d, was looking for %d in %d-%d", + mStartup, mSeqNumber, firstSeqNumberInPlaylist, + lastSeqNumberInPlaylist); + mSeqNumber = lastSeqNumberInPlaylist - 3; + if (mSeqNumber < firstSeqNumberInPlaylist) { + mSeqNumber = firstSeqNumberInPlaylist; + } explicitDiscontinuity = true; // fall through @@ -788,12 +861,13 @@ status_t PlaylistFetcher::extractAndQueueAccessUnits( && source->dequeueAccessUnit(&accessUnit) == OK) { // Note that we do NOT dequeue any discontinuities. + // for simplicity, store a reference to the format in each unit + sp<MetaData> format = source->getFormat(); + if (format != NULL) { + accessUnit->meta()->setObject("format", format); + } packetSource->queueAccessUnit(accessUnit); } - - if (packetSource->getFormat() == NULL) { - packetSource->setFormat(source->getFormat()); - } } return OK; diff --git a/media/libstagefright/httplive/PlaylistFetcher.h b/media/libstagefright/httplive/PlaylistFetcher.h index 1648e02..78dea20 100644 --- a/media/libstagefright/httplive/PlaylistFetcher.h +++ b/media/libstagefright/httplive/PlaylistFetcher.h @@ -79,6 +79,7 @@ private: }; static const int64_t kMinBufferedDurationUs; + static const int64_t kMaxMonitorDelayUs; sp<AMessage> mNotify; sp<LiveSession> mSession; @@ -97,6 +98,7 @@ private: int32_t mSeqNumber; int32_t mNumRetries; bool mStartup; + bool mPrepared; int64_t mNextPTSTimeUs; int32_t mMonitorQueueGeneration; @@ -120,10 +122,11 @@ private: status_t decryptBuffer( size_t playlistIndex, const sp<ABuffer> &buffer); - void postMonitorQueue(int64_t delayUs = 0); + void postMonitorQueue(int64_t delayUs = 0, int64_t minDelayUs = 0); void cancelMonitorQueue(); - bool timeToRefreshPlaylist(int64_t nowUs) const; + int64_t delayUsToRefreshPlaylist() const; + status_t refreshPlaylist(); // Returns the media time in us of the segment specified by seqNumber. // This is computed by summing the durations of all segments before it. diff --git a/media/libstagefright/id3/ID3.cpp b/media/libstagefright/id3/ID3.cpp index 34d671a..a486522 100644 --- a/media/libstagefright/id3/ID3.cpp +++ b/media/libstagefright/id3/ID3.cpp @@ -468,49 +468,6 @@ void ID3::Iterator::getID(String8 *id) const { } } -static void convertISO8859ToString8( - const uint8_t *data, size_t size, - String8 *s) { - size_t utf8len = 0; - for (size_t i = 0; i < size; ++i) { - if (data[i] == '\0') { - size = i; - break; - } else if (data[i] < 0x80) { - ++utf8len; - } else { - utf8len += 2; - } - } - - if (utf8len == size) { - // Only ASCII characters present. - - s->setTo((const char *)data, size); - return; - } - - char *tmp = new char[utf8len]; - char *ptr = tmp; - for (size_t i = 0; i < size; ++i) { - if (data[i] == '\0') { - break; - } else if (data[i] < 0x80) { - *ptr++ = data[i]; - } else if (data[i] < 0xc0) { - *ptr++ = 0xc2; - *ptr++ = data[i]; - } else { - *ptr++ = 0xc3; - *ptr++ = data[i] - 64; - } - } - - s->setTo(tmp, utf8len); - - delete[] tmp; - tmp = NULL; -} // the 2nd argument is used to get the data following the \0 in a comment field void ID3::Iterator::getString(String8 *id, String8 *comment) const { @@ -543,7 +500,9 @@ void ID3::Iterator::getstring(String8 *id, bool otherdata) const { return; } - convertISO8859ToString8(frameData, mFrameSize, id); + // this is supposed to be ISO-8859-1, but pass it up as-is to the caller, who will figure + // out the real encoding + id->setTo((const char*)frameData, mFrameSize); return; } @@ -561,13 +520,13 @@ void ID3::Iterator::getstring(String8 *id, bool otherdata) const { } if (encoding == 0x00) { - // ISO 8859-1 - convertISO8859ToString8(frameData + 1, n, id); + // supposedly ISO 8859-1 + id->setTo((const char*)frameData + 1, n); } else if (encoding == 0x03) { - // UTF-8 + // supposedly UTF-8 id->setTo((const char *)(frameData + 1), n); } else if (encoding == 0x02) { - // UTF-16 BE, no byte order mark. + // supposedly UTF-16 BE, no byte order mark. // API wants number of characters, not number of bytes... int len = n / 2; const char16_t *framedata = (const char16_t *) (frameData + 1); @@ -583,7 +542,7 @@ void ID3::Iterator::getstring(String8 *id, bool otherdata) const { if (framedatacopy != NULL) { delete[] framedatacopy; } - } else { + } else if (encoding == 0x01) { // UCS-2 // API wants number of characters, not number of bytes... int len = n / 2; @@ -602,7 +561,27 @@ void ID3::Iterator::getstring(String8 *id, bool otherdata) const { framedata++; len--; } - id->setTo(framedata, len); + + // check if the resulting data consists entirely of 8-bit values + bool eightBit = true; + for (int i = 0; i < len; i++) { + if (framedata[i] > 0xff) { + eightBit = false; + break; + } + } + if (eightBit) { + // collapse to 8 bit, then let the media scanner client figure out the real encoding + char *frame8 = new char[len]; + for (int i = 0; i < len; i++) { + frame8[i] = framedata[i]; + } + id->setTo(frame8, len); + delete [] frame8; + } else { + id->setTo(framedata, len); + } + if (framedatacopy != NULL) { delete[] framedatacopy; } diff --git a/media/libstagefright/mpeg2ts/ATSParser.cpp b/media/libstagefright/mpeg2ts/ATSParser.cpp index 175a263..cb57a2f 100644 --- a/media/libstagefright/mpeg2ts/ATSParser.cpp +++ b/media/libstagefright/mpeg2ts/ATSParser.cpp @@ -506,6 +506,11 @@ ATSParser::Stream::Stream( ElementaryStreamQueue::PCM_AUDIO); break; + case STREAMTYPE_AC3: + mQueue = new ElementaryStreamQueue( + ElementaryStreamQueue::AC3); + break; + default: break; } @@ -614,6 +619,7 @@ bool ATSParser::Stream::isAudio() const { case STREAMTYPE_MPEG2_AUDIO: case STREAMTYPE_MPEG2_AUDIO_ADTS: case STREAMTYPE_PCM_AUDIO: + case STREAMTYPE_AC3: return true; default: diff --git a/media/libstagefright/mpeg2ts/ATSParser.h b/media/libstagefright/mpeg2ts/ATSParser.h index a10edc9..d4e30b4 100644 --- a/media/libstagefright/mpeg2ts/ATSParser.h +++ b/media/libstagefright/mpeg2ts/ATSParser.h @@ -88,6 +88,10 @@ struct ATSParser : public RefBase { STREAMTYPE_MPEG2_AUDIO_ADTS = 0x0f, STREAMTYPE_MPEG4_VIDEO = 0x10, STREAMTYPE_H264 = 0x1b, + + // From ATSC A/53 Part 3:2009, 6.7.1 + STREAMTYPE_AC3 = 0x81, + STREAMTYPE_PCM_AUDIO = 0x83, }; diff --git a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp index 3153c8b..52fb2a5 100644 --- a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp +++ b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp @@ -70,7 +70,27 @@ status_t AnotherPacketSource::stop() { } sp<MetaData> AnotherPacketSource::getFormat() { - return mFormat; + Mutex::Autolock autoLock(mLock); + if (mFormat != NULL) { + return mFormat; + } + + List<sp<ABuffer> >::iterator it = mBuffers.begin(); + while (it != mBuffers.end()) { + sp<ABuffer> buffer = *it; + int32_t discontinuity; + if (buffer->meta()->findInt32("discontinuity", &discontinuity)) { + break; + } + + sp<RefBase> object; + if (buffer->meta()->findObject("format", &object)) { + return static_cast<MetaData*>(object.get()); + } + + ++it; + } + return NULL; } status_t AnotherPacketSource::dequeueAccessUnit(sp<ABuffer> *buffer) { @@ -94,6 +114,11 @@ status_t AnotherPacketSource::dequeueAccessUnit(sp<ABuffer> *buffer) { return INFO_DISCONTINUITY; } + sp<RefBase> object; + if ((*buffer)->meta()->findObject("format", &object)) { + mFormat = static_cast<MetaData*>(object.get()); + } + return OK; } @@ -120,17 +145,22 @@ status_t AnotherPacketSource::read( } return INFO_DISCONTINUITY; - } else { - int64_t timeUs; - CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); + } - MediaBuffer *mediaBuffer = new MediaBuffer(buffer); + sp<RefBase> object; + if (buffer->meta()->findObject("format", &object)) { + mFormat = static_cast<MetaData*>(object.get()); + } - mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs); + int64_t timeUs; + CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); - *out = mediaBuffer; - return OK; - } + MediaBuffer *mediaBuffer = new MediaBuffer(buffer); + + mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs); + + *out = mediaBuffer; + return OK; } return mEOSResult; diff --git a/media/libstagefright/mpeg2ts/ESQueue.cpp b/media/libstagefright/mpeg2ts/ESQueue.cpp index 8f9c9c8..ea79885 100644 --- a/media/libstagefright/mpeg2ts/ESQueue.cpp +++ b/media/libstagefright/mpeg2ts/ESQueue.cpp @@ -56,6 +56,122 @@ void ElementaryStreamQueue::clear(bool clearFormat) { } } +// Parse AC3 header assuming the current ptr is start position of syncframe, +// update metadata only applicable, and return the payload size +static unsigned parseAC3SyncFrame( + const uint8_t *ptr, size_t size, sp<MetaData> *metaData) { + static const unsigned channelCountTable[] = {2, 1, 2, 3, 4, 4, 5, 6}; + static const unsigned samplingRateTable[] = {48000, 44100, 32000}; + static const unsigned rates[] = {32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, + 320, 384, 448, 512, 576, 640}; + + static const unsigned frameSizeTable[19][3] = { + { 64, 69, 96 }, + { 80, 87, 120 }, + { 96, 104, 144 }, + { 112, 121, 168 }, + { 128, 139, 192 }, + { 160, 174, 240 }, + { 192, 208, 288 }, + { 224, 243, 336 }, + { 256, 278, 384 }, + { 320, 348, 480 }, + { 384, 417, 576 }, + { 448, 487, 672 }, + { 512, 557, 768 }, + { 640, 696, 960 }, + { 768, 835, 1152 }, + { 896, 975, 1344 }, + { 1024, 1114, 1536 }, + { 1152, 1253, 1728 }, + { 1280, 1393, 1920 }, + }; + + ABitReader bits(ptr, size); + unsigned syncStartPos = 0; // in bytes + if (bits.numBitsLeft() < 16) { + return 0; + } + if (bits.getBits(16) != 0x0B77) { + return 0; + } + + if (bits.numBitsLeft() < 16 + 2 + 6 + 5 + 3 + 3) { + ALOGV("Not enough bits left for further parsing"); + return 0; + } + bits.skipBits(16); // crc1 + + unsigned fscod = bits.getBits(2); + if (fscod == 3) { + ALOGW("Incorrect fscod in AC3 header"); + return 0; + } + + unsigned frmsizecod = bits.getBits(6); + if (frmsizecod > 37) { + ALOGW("Incorrect frmsizecod in AC3 header"); + return 0; + } + + unsigned bsid = bits.getBits(5); + if (bsid > 8) { + ALOGW("Incorrect bsid in AC3 header. Possibly E-AC-3?"); + return 0; + } + + unsigned bsmod = bits.getBits(3); + unsigned acmod = bits.getBits(3); + unsigned cmixlev = 0; + unsigned surmixlev = 0; + unsigned dsurmod = 0; + + if ((acmod & 1) > 0 && acmod != 1) { + if (bits.numBitsLeft() < 2) { + return 0; + } + cmixlev = bits.getBits(2); + } + if ((acmod & 4) > 0) { + if (bits.numBitsLeft() < 2) { + return 0; + } + surmixlev = bits.getBits(2); + } + if (acmod == 2) { + if (bits.numBitsLeft() < 2) { + return 0; + } + dsurmod = bits.getBits(2); + } + + if (bits.numBitsLeft() < 1) { + return 0; + } + unsigned lfeon = bits.getBits(1); + + unsigned samplingRate = samplingRateTable[fscod]; + unsigned payloadSize = frameSizeTable[frmsizecod >> 1][fscod]; + if (fscod == 1) { + payloadSize += frmsizecod & 1; + } + payloadSize <<= 1; // convert from 16-bit words to bytes + + unsigned channelCount = channelCountTable[acmod] + lfeon; + + if (metaData != NULL) { + (*metaData)->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AC3); + (*metaData)->setInt32(kKeyChannelCount, channelCount); + (*metaData)->setInt32(kKeySampleRate, samplingRate); + } + + return payloadSize; +} + +static bool IsSeeminglyValidAC3Header(const uint8_t *ptr, size_t size) { + return parseAC3SyncFrame(ptr, size, NULL) > 0; +} + static bool IsSeeminglyValidADTSHeader(const uint8_t *ptr, size_t size) { if (size < 3) { // Not enough data to verify header. @@ -224,6 +340,33 @@ status_t ElementaryStreamQueue::appendData( break; } + case AC3: + { + uint8_t *ptr = (uint8_t *)data; + + ssize_t startOffset = -1; + for (size_t i = 0; i < size; ++i) { + if (IsSeeminglyValidAC3Header(&ptr[i], size - i)) { + startOffset = i; + break; + } + } + + if (startOffset < 0) { + return ERROR_MALFORMED; + } + + if (startOffset > 0) { + ALOGI("found something resembling an AC3 syncword at " + "offset %d", + startOffset); + } + + data = &ptr[startOffset]; + size -= startOffset; + break; + } + case MPEG_AUDIO: { uint8_t *ptr = (uint8_t *)data; @@ -328,6 +471,8 @@ sp<ABuffer> ElementaryStreamQueue::dequeueAccessUnit() { return dequeueAccessUnitH264(); case AAC: return dequeueAccessUnitAAC(); + case AC3: + return dequeueAccessUnitAC3(); case MPEG_VIDEO: return dequeueAccessUnitMPEGVideo(); case MPEG4_VIDEO: @@ -340,6 +485,51 @@ sp<ABuffer> ElementaryStreamQueue::dequeueAccessUnit() { } } +sp<ABuffer> ElementaryStreamQueue::dequeueAccessUnitAC3() { + unsigned syncStartPos = 0; // in bytes + unsigned payloadSize = 0; + sp<MetaData> format = new MetaData; + while (true) { + if (syncStartPos + 2 >= mBuffer->size()) { + return NULL; + } + + payloadSize = parseAC3SyncFrame( + mBuffer->data() + syncStartPos, + mBuffer->size() - syncStartPos, + &format); + if (payloadSize > 0) { + break; + } + ++syncStartPos; + } + + if (mBuffer->size() < syncStartPos + payloadSize) { + ALOGV("Not enough buffer size for AC3"); + return NULL; + } + + if (mFormat == NULL) { + mFormat = format; + } + + sp<ABuffer> accessUnit = new ABuffer(syncStartPos + payloadSize); + memcpy(accessUnit->data(), mBuffer->data(), syncStartPos + payloadSize); + + int64_t timeUs = fetchTimestamp(syncStartPos + payloadSize); + CHECK_GE(timeUs, 0ll); + accessUnit->meta()->setInt64("timeUs", timeUs); + + memmove( + mBuffer->data(), + mBuffer->data() + syncStartPos + payloadSize, + mBuffer->size() - syncStartPos - payloadSize); + + mBuffer->setRange(0, mBuffer->size() - syncStartPos - payloadSize); + + return accessUnit; +} + sp<ABuffer> ElementaryStreamQueue::dequeueAccessUnitPCMAudio() { if (mBuffer->size() < 4) { return NULL; diff --git a/media/libstagefright/mpeg2ts/ESQueue.h b/media/libstagefright/mpeg2ts/ESQueue.h index 66a8087..a2cca77 100644 --- a/media/libstagefright/mpeg2ts/ESQueue.h +++ b/media/libstagefright/mpeg2ts/ESQueue.h @@ -32,6 +32,7 @@ struct ElementaryStreamQueue { enum Mode { H264, AAC, + AC3, MPEG_AUDIO, MPEG_VIDEO, MPEG4_VIDEO, @@ -67,6 +68,7 @@ private: sp<ABuffer> dequeueAccessUnitH264(); sp<ABuffer> dequeueAccessUnitAAC(); + sp<ABuffer> dequeueAccessUnitAC3(); sp<ABuffer> dequeueAccessUnitMPEGAudio(); sp<ABuffer> dequeueAccessUnitMPEGVideo(); sp<ABuffer> dequeueAccessUnitMPEG4Video(); diff --git a/media/libstagefright/timedtext/test/Android.mk b/media/libstagefright/timedtext/test/Android.mk index a5e7ba2..9a9fde2 100644 --- a/media/libstagefright/timedtext/test/Android.mk +++ b/media/libstagefright/timedtext/test/Android.mk @@ -2,7 +2,6 @@ LOCAL_PATH:= $(call my-dir) # ================================================================ # Unit tests for libstagefright_timedtext -# See also /development/testrunner/test_defs.xml # ================================================================ # ================================================================ @@ -18,10 +17,13 @@ LOCAL_SRC_FILES := TimedTextSRTSource_test.cpp LOCAL_C_INCLUDES := \ $(TOP)/external/expat/lib \ - $(TOP)/frameworks/base/media/libstagefright/timedtext + $(TOP)/frameworks/av/media/libstagefright/timedtext LOCAL_SHARED_LIBRARIES := \ + libbinder \ libexpat \ - libstagefright + libstagefright \ + libstagefright_foundation \ + libutils include $(BUILD_NATIVE_TEST) |