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-rw-r--r--libvideoeditor/lvpp/AudioPlayerBase.cpp510
1 files changed, 0 insertions, 510 deletions
diff --git a/libvideoeditor/lvpp/AudioPlayerBase.cpp b/libvideoeditor/lvpp/AudioPlayerBase.cpp
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index 67ea43c..0000000
--- a/libvideoeditor/lvpp/AudioPlayerBase.cpp
+++ /dev/null
@@ -1,510 +0,0 @@
-/*
- * Copyright (C) 2011 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 "AudioPlayerBase"
-#include <utils/Log.h>
-
-#include <binder/IPCThreadState.h>
-#include <media/AudioTrack.h>
-#include <media/stagefright/MediaDebug.h>
-#include <media/stagefright/MediaDefs.h>
-#include <media/stagefright/MediaErrors.h>
-#include <media/stagefright/MediaSource.h>
-#include <media/stagefright/MetaData.h>
-
-#include "AudioPlayerBase.h"
-#include "PreviewPlayer.h"
-
-namespace android {
-
-AudioPlayerBase::AudioPlayerBase(
- const sp<MediaPlayerBase::AudioSink> &audioSink,
- PreviewPlayer *observer)
- : mAudioTrack(NULL),
- mInputBuffer(NULL),
- mSampleRate(0),
- mLatencyUs(0),
- mFrameSize(0),
- mNumFramesPlayed(0),
- mPositionTimeMediaUs(-1),
- mPositionTimeRealUs(-1),
- mSeeking(false),
- mReachedEOS(false),
- mFinalStatus(OK),
- mStarted(false),
- mIsFirstBuffer(false),
- mFirstBufferResult(OK),
- mFirstBuffer(NULL),
- mAudioSink(audioSink),
- mObserver(observer) {
-}
-
-AudioPlayerBase::~AudioPlayerBase() {
- if (mStarted) {
- reset();
- }
-}
-
-void AudioPlayerBase::setSource(const sp<MediaSource> &source) {
- CHECK_EQ(mSource, NULL);
- mSource = source;
-}
-
-status_t AudioPlayerBase::start(bool sourceAlreadyStarted) {
- CHECK(!mStarted);
- CHECK(mSource != NULL);
-
- status_t err;
- if (!sourceAlreadyStarted) {
- err = mSource->start();
-
- if (err != OK) {
- return err;
- }
- }
-
- // We allow an optional INFO_FORMAT_CHANGED at the very beginning
- // of playback, if there is one, getFormat below will retrieve the
- // updated format, if there isn't, we'll stash away the valid buffer
- // of data to be used on the first audio callback.
-
- CHECK(mFirstBuffer == NULL);
-
- mFirstBufferResult = mSource->read(&mFirstBuffer);
- if (mFirstBufferResult == INFO_FORMAT_CHANGED) {
- ALOGV("INFO_FORMAT_CHANGED!!!");
-
- CHECK(mFirstBuffer == NULL);
- mFirstBufferResult = OK;
- mIsFirstBuffer = false;
- } else {
- mIsFirstBuffer = true;
- }
-
- sp<MetaData> format = mSource->getFormat();
- const char *mime;
- bool success = format->findCString(kKeyMIMEType, &mime);
- CHECK(success);
- CHECK(!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW));
-
- success = format->findInt32(kKeySampleRate, &mSampleRate);
- CHECK(success);
-
- int32_t numChannels;
- success = format->findInt32(kKeyChannelCount, &numChannels);
- CHECK(success);
-
- if (mAudioSink.get() != NULL) {
- status_t err = mAudioSink->open(
- mSampleRate, numChannels, AUDIO_FORMAT_PCM_16_BIT,
- DEFAULT_AUDIOSINK_BUFFERCOUNT,
- &AudioPlayerBase::AudioSinkCallback, this);
- if (err != OK) {
- if (mFirstBuffer != NULL) {
- mFirstBuffer->release();
- mFirstBuffer = NULL;
- }
-
- if (!sourceAlreadyStarted) {
- mSource->stop();
- }
-
- return err;
- }
-
- mLatencyUs = (int64_t)mAudioSink->latency() * 1000;
- mFrameSize = mAudioSink->frameSize();
-
- mAudioSink->start();
- } else {
- mAudioTrack = new AudioTrack(
- AUDIO_STREAM_MUSIC, mSampleRate, AUDIO_FORMAT_PCM_16_BIT,
- (numChannels == 2)
- ? AUDIO_CHANNEL_OUT_STEREO
- : AUDIO_CHANNEL_OUT_MONO,
- 0, 0, &AudioCallback, this, 0);
-
- if ((err = mAudioTrack->initCheck()) != OK) {
- delete mAudioTrack;
- mAudioTrack = NULL;
-
- if (mFirstBuffer != NULL) {
- mFirstBuffer->release();
- mFirstBuffer = NULL;
- }
-
- if (!sourceAlreadyStarted) {
- mSource->stop();
- }
-
- return err;
- }
-
- mLatencyUs = (int64_t)mAudioTrack->latency() * 1000;
- mFrameSize = mAudioTrack->frameSize();
-
- mAudioTrack->start();
- }
-
- mStarted = true;
-
- return OK;
-}
-
-void AudioPlayerBase::pause(bool playPendingSamples) {
- CHECK(mStarted);
-
- if (playPendingSamples) {
- if (mAudioSink.get() != NULL) {
- mAudioSink->stop();
- } else {
- mAudioTrack->stop();
- }
- } else {
- if (mAudioSink.get() != NULL) {
- mAudioSink->pause();
- } else {
- mAudioTrack->pause();
- }
- }
-}
-
-void AudioPlayerBase::resume() {
- CHECK(mStarted);
-
- if (mAudioSink.get() != NULL) {
- mAudioSink->start();
- } else {
- mAudioTrack->start();
- }
-}
-
-void AudioPlayerBase::reset() {
- CHECK(mStarted);
-
- if (mAudioSink.get() != NULL) {
- mAudioSink->stop();
- mAudioSink->close();
- } else {
- mAudioTrack->stop();
-
- delete mAudioTrack;
- mAudioTrack = NULL;
- }
-
- // Make sure to release any buffer we hold onto so that the
- // source is able to stop().
-
- if (mFirstBuffer != NULL) {
- mFirstBuffer->release();
- mFirstBuffer = NULL;
- }
-
- if (mInputBuffer != NULL) {
- ALOGV("AudioPlayerBase releasing input buffer.");
-
- mInputBuffer->release();
- mInputBuffer = NULL;
- }
-
- mSource->stop();
-
- // The following hack is necessary to ensure that the OMX
- // component is completely released by the time we may try
- // to instantiate it again.
- wp<MediaSource> tmp = mSource;
- mSource.clear();
- while (tmp.promote() != NULL) {
- usleep(1000);
- }
- IPCThreadState::self()->flushCommands();
-
- mNumFramesPlayed = 0;
- mPositionTimeMediaUs = -1;
- mPositionTimeRealUs = -1;
- mSeeking = false;
- mReachedEOS = false;
- mFinalStatus = OK;
- mStarted = false;
-}
-
-// static
-void AudioPlayerBase::AudioCallback(int event, void *user, void *info) {
- static_cast<AudioPlayerBase *>(user)->AudioCallback(event, info);
-}
-
-bool AudioPlayerBase::isSeeking() {
- Mutex::Autolock autoLock(mLock);
- return mSeeking;
-}
-
-bool AudioPlayerBase::reachedEOS(status_t *finalStatus) {
- *finalStatus = OK;
-
- Mutex::Autolock autoLock(mLock);
- *finalStatus = mFinalStatus;
- return mReachedEOS;
-}
-
-// static
-size_t AudioPlayerBase::AudioSinkCallback(
- MediaPlayerBase::AudioSink *audioSink,
- void *buffer, size_t size, void *cookie) {
- AudioPlayerBase *me = (AudioPlayerBase *)cookie;
-
- return me->fillBuffer(buffer, size);
-}
-
-void AudioPlayerBase::AudioCallback(int event, void *info) {
- if (event != AudioTrack::EVENT_MORE_DATA) {
- return;
- }
-
- AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info;
- size_t numBytesWritten = fillBuffer(buffer->raw, buffer->size);
-
- buffer->size = numBytesWritten;
-}
-
-uint32_t AudioPlayerBase::getNumFramesPendingPlayout() const {
- uint32_t numFramesPlayedOut;
- status_t err;
-
- if (mAudioSink != NULL) {
- err = mAudioSink->getPosition(&numFramesPlayedOut);
- } else {
- err = mAudioTrack->getPosition(&numFramesPlayedOut);
- }
-
- if (err != OK || mNumFramesPlayed < numFramesPlayedOut) {
- return 0;
- }
-
- // mNumFramesPlayed is the number of frames submitted
- // to the audio sink for playback, but not all of them
- // may have played out by now.
- return mNumFramesPlayed - numFramesPlayedOut;
-}
-
-size_t AudioPlayerBase::fillBuffer(void *data, size_t size) {
- if (mNumFramesPlayed == 0) {
- ALOGV("AudioCallback");
- }
-
- if (mReachedEOS) {
- return 0;
- }
-
- bool postSeekComplete = false;
- bool postEOS = false;
- int64_t postEOSDelayUs = 0;
-
- size_t size_done = 0;
- size_t size_remaining = size;
- while (size_remaining > 0) {
- MediaSource::ReadOptions options;
-
- {
- Mutex::Autolock autoLock(mLock);
-
- if (mSeeking) {
- if (mIsFirstBuffer) {
- if (mFirstBuffer != NULL) {
- mFirstBuffer->release();
- mFirstBuffer = NULL;
- }
- mIsFirstBuffer = false;
- }
-
- options.setSeekTo(mSeekTimeUs);
-
- if (mInputBuffer != NULL) {
- mInputBuffer->release();
- mInputBuffer = NULL;
- }
-
- mSeeking = false;
- if (mObserver) {
- postSeekComplete = true;
- }
- }
- }
-
- if (mInputBuffer == NULL) {
- status_t err;
-
- if (mIsFirstBuffer) {
- mInputBuffer = mFirstBuffer;
- mFirstBuffer = NULL;
- err = mFirstBufferResult;
-
- mIsFirstBuffer = false;
- } else {
- err = mSource->read(&mInputBuffer, &options);
- }
-
- CHECK((err == OK && mInputBuffer != NULL)
- || (err != OK && mInputBuffer == NULL));
-
- Mutex::Autolock autoLock(mLock);
-
- if (err != OK) {
- if (mObserver && !mReachedEOS) {
- // We don't want to post EOS right away but only
- // after all frames have actually been played out.
-
- // These are the number of frames submitted to the
- // AudioTrack that you haven't heard yet.
- uint32_t numFramesPendingPlayout =
- getNumFramesPendingPlayout();
-
- // These are the number of frames we're going to
- // submit to the AudioTrack by returning from this
- // callback.
- uint32_t numAdditionalFrames = size_done / mFrameSize;
-
- numFramesPendingPlayout += numAdditionalFrames;
-
- int64_t timeToCompletionUs =
- (1000000ll * numFramesPendingPlayout) / mSampleRate;
-
- ALOGV("total number of frames played: %lld (%lld us)",
- (mNumFramesPlayed + numAdditionalFrames),
- 1000000ll * (mNumFramesPlayed + numAdditionalFrames)
- / mSampleRate);
-
- ALOGV("%d frames left to play, %lld us (%.2f secs)",
- numFramesPendingPlayout,
- timeToCompletionUs, timeToCompletionUs / 1E6);
-
- postEOS = true;
- postEOSDelayUs = timeToCompletionUs + mLatencyUs;
- }
-
- mReachedEOS = true;
- mFinalStatus = err;
- break;
- }
-
- CHECK(mInputBuffer->meta_data()->findInt64(
- kKeyTime, &mPositionTimeMediaUs));
-
- mPositionTimeRealUs =
- ((mNumFramesPlayed + size_done / mFrameSize) * 1000000)
- / mSampleRate;
-
- ALOGV("buffer->size() = %d, "
- "mPositionTimeMediaUs=%.2f mPositionTimeRealUs=%.2f",
- mInputBuffer->range_length(),
- mPositionTimeMediaUs / 1E6, mPositionTimeRealUs / 1E6);
- }
-
- if (mInputBuffer->range_length() == 0) {
- mInputBuffer->release();
- mInputBuffer = NULL;
-
- continue;
- }
-
- size_t copy = size_remaining;
- if (copy > mInputBuffer->range_length()) {
- copy = mInputBuffer->range_length();
- }
-
- memcpy((char *)data + size_done,
- (const char *)mInputBuffer->data() + mInputBuffer->range_offset(),
- copy);
-
- mInputBuffer->set_range(mInputBuffer->range_offset() + copy,
- mInputBuffer->range_length() - copy);
-
- size_done += copy;
- size_remaining -= copy;
- }
-
- {
- Mutex::Autolock autoLock(mLock);
- mNumFramesPlayed += size_done / mFrameSize;
- }
-
- if (postEOS) {
- mObserver->postAudioEOS(postEOSDelayUs);
- }
-
- if (postSeekComplete) {
- mObserver->postAudioSeekComplete();
- }
-
- return size_done;
-}
-
-int64_t AudioPlayerBase::getRealTimeUs() {
- Mutex::Autolock autoLock(mLock);
- return getRealTimeUsLocked();
-}
-
-int64_t AudioPlayerBase::getRealTimeUsLocked() const {
- return -mLatencyUs + (mNumFramesPlayed * 1000000) / mSampleRate;
-}
-
-int64_t AudioPlayerBase::getMediaTimeUs() {
- Mutex::Autolock autoLock(mLock);
-
- if (mPositionTimeMediaUs < 0 || mPositionTimeRealUs < 0) {
- if (mSeeking) {
- return mSeekTimeUs;
- }
-
- return 0;
- }
-
- int64_t realTimeOffset = getRealTimeUsLocked() - mPositionTimeRealUs;
- if (realTimeOffset < 0) {
- realTimeOffset = 0;
- }
-
- return mPositionTimeMediaUs + realTimeOffset;
-}
-
-bool AudioPlayerBase::getMediaTimeMapping(
- int64_t *realtime_us, int64_t *mediatime_us) {
- Mutex::Autolock autoLock(mLock);
-
- *realtime_us = mPositionTimeRealUs;
- *mediatime_us = mPositionTimeMediaUs;
-
- return mPositionTimeRealUs != -1 && mPositionTimeMediaUs != -1;
-}
-
-status_t AudioPlayerBase::seekTo(int64_t time_us) {
- Mutex::Autolock autoLock(mLock);
-
- mSeeking = true;
- mPositionTimeRealUs = mPositionTimeMediaUs = -1;
- mReachedEOS = false;
- mSeekTimeUs = time_us;
-
- if (mAudioSink != NULL) {
- mAudioSink->flush();
- } else {
- mAudioTrack->flush();
- }
-
- return OK;
-}
-
-}
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