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Diffstat (limited to 'media/libavextensions/mediaplayerservice/AVNuUtils.cpp')
| -rw-r--r-- | media/libavextensions/mediaplayerservice/AVNuUtils.cpp | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/media/libavextensions/mediaplayerservice/AVNuUtils.cpp b/media/libavextensions/mediaplayerservice/AVNuUtils.cpp new file mode 100644 index 0000000..773a098 --- /dev/null +++ b/media/libavextensions/mediaplayerservice/AVNuUtils.cpp @@ -0,0 +1,363 @@ +/* + * Copyright (c) 2013 - 2015, The Linux Foundation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of The Linux Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#define LOG_TAG "AVNuUtils" +#include <utils/Log.h> + +#include <media/stagefright/MetaData.h> +#include <media/stagefright/foundation/ABitReader.h> +#include <media/stagefright/foundation/ADebug.h> +#include <media/stagefright/foundation/ABuffer.h> +#include <media/stagefright/MediaDefs.h> +#include <media/stagefright/OMXCodec.h> +#include <cutils/properties.h> +#include <media/stagefright/MediaExtractor.h> +#include <media/MediaProfiles.h> +#include <media/stagefright/Utils.h> + +#include <audio_utils/format.h> + +#include <nuplayer/NuPlayer.h> +#include <nuplayer/NuPlayerDecoderBase.h> +#include <nuplayer/NuPlayerDecoderPassThrough.h> +#include <nuplayer/NuPlayerSource.h> +#include <nuplayer/NuPlayerRenderer.h> + +#include "common/ExtensionsLoader.hpp" +#include "mediaplayerservice/AVNuExtensions.h" + +namespace android { + +static bool is24bitPCMOffloadEnabled() { + return property_get_bool("audio.offload.pcm.24bit.enable", false); +} + +static bool is16bitPCMOffloadEnabled() { + return property_get_bool("audio.offload.pcm.16bit.enable", false); +} + +sp<MetaData> AVNuUtils::createPCMMetaFromSource(const sp<MetaData> &sMeta) { + sp<MetaData> tPCMMeta = new MetaData; + //hard code as RAW + tPCMMeta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW); + + int32_t bits = 16; + sMeta->findInt32(kKeyBitsPerSample, &bits); + tPCMMeta->setInt32(kKeyBitsPerSample, bits > 24 ? 24 : bits); + + if (sMeta == NULL) { + ALOGW("no meta returning dummy meta"); + return tPCMMeta; + } + + int32_t srate = -1; + if (!sMeta->findInt32(kKeySampleRate, &srate)) { + ALOGV("No sample rate"); + } + tPCMMeta->setInt32(kKeySampleRate, srate); + + int32_t cmask = 0; + if (!sMeta->findInt32(kKeyChannelMask, &cmask) || (cmask == 0)) { + ALOGI("No channel mask, try channel count"); + } + int32_t channelCount = 0; + if (!sMeta->findInt32(kKeyChannelCount, &channelCount)) { + ALOGI("No channel count either"); + } else { + //if channel mask is not set till now, use channel count + //to retrieve channel count + if (!cmask) { + cmask = audio_channel_out_mask_from_count(channelCount); + } + } + tPCMMeta->setInt32(kKeyChannelCount, channelCount); + tPCMMeta->setInt32(kKeyChannelMask, cmask); + + int64_t duration = INT_MAX; + if (!sMeta->findInt64(kKeyDuration, &duration)) { + ALOGW("No duration in meta setting max duration"); + } + tPCMMeta->setInt64(kKeyDuration, duration); + + int32_t bitRate = -1; + if (!sMeta->findInt32(kKeyBitRate, &bitRate)) { + ALOGW("No bitrate info"); + } else { + tPCMMeta->setInt32(kKeyBitRate, bitRate); + } + + return tPCMMeta; +} + +bool AVNuUtils::pcmOffloadException(const sp<MetaData> &meta) { + bool decision = false; + const char *mime = {0}; + + if (meta == NULL) { + return true; + } + meta->findCString(kKeyMIMEType, &mime); + + if (!mime) { + ALOGV("%s: no audio mime present, ignoring pcm offload", __func__); + return true; + } + + if (!is24bitPCMOffloadEnabled() && !is16bitPCMOffloadEnabled()) { + return true; + } + + const char * const ExceptionTable[] = { + MEDIA_MIMETYPE_AUDIO_AMR_NB, + MEDIA_MIMETYPE_AUDIO_AMR_WB, + MEDIA_MIMETYPE_AUDIO_QCELP, + MEDIA_MIMETYPE_AUDIO_G711_ALAW, + MEDIA_MIMETYPE_AUDIO_G711_MLAW, + MEDIA_MIMETYPE_AUDIO_EVRC + }; + int countException = (sizeof(ExceptionTable) / sizeof(ExceptionTable[0])); + + for(int i = 0; i < countException; i++) { + if (!strcasecmp(mime, ExceptionTable[i])) { + decision = true; + break; + } + } + ALOGI("decision %d mime %s", decision, mime); + return decision; +#if 0 + //if PCM offload flag is disabled, do not offload any sessions + //using pcm offload + decision = true; + ALOGI("decision %d mime %s", decision, mime); + return decision; +#endif +} + +bool AVNuUtils::isRAWFormat(const sp<MetaData> &meta) { + const char *mime = {0}; + if (meta == NULL) { + return false; + } + CHECK(meta->findCString(kKeyMIMEType, &mime)); + if (!strncasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW, 9)) + return true; + else + return false; +} + +bool AVNuUtils::isRAWFormat(const sp<AMessage> &format) { + AString mime; + if (format == NULL) { + return false; + } + CHECK(format->findString("mime", &mime)); + if (!strncasecmp(mime.c_str(), MEDIA_MIMETYPE_AUDIO_RAW, 9)) + return true; + else + return false; + +} + +bool AVNuUtils::isVorbisFormat(const sp<MetaData> &) { + return false; +} + +int AVNuUtils::updateAudioBitWidth(audio_format_t audioFormat, + const sp<AMessage> &format){ + int bits = 16; + if (format.get() && + (audio_is_linear_pcm(audioFormat) || audio_is_offload_pcm(audioFormat))) { + bits = audio_bytes_per_sample(audioFormat) * 8; + format->setInt32("bits-per-sample", bits); + } + return bits; +} + +audio_format_t AVNuUtils::getKeyPCMFormat(const sp<MetaData> &meta) { + audio_format_t pcmFormat = AUDIO_FORMAT_INVALID; + if (meta.get()) + meta->findInt32('pfmt', (int32_t *)&pcmFormat); + return pcmFormat; +} + +void AVNuUtils::setKeyPCMFormat(const sp<MetaData> &meta, audio_format_t audioFormat) { + if (meta.get() && audio_is_linear_pcm(audioFormat)) + meta->setInt32('pfmt', audioFormat); +} + +audio_format_t AVNuUtils::getPCMFormat(const sp<AMessage> &format) { + audio_format_t pcmFormat = AUDIO_FORMAT_INVALID; + if (format.get()) + format->findInt32("pcm-format", (int32_t *)&pcmFormat); + return pcmFormat; +} + +void AVNuUtils::setPCMFormat(const sp<AMessage> &format, audio_format_t audioFormat) { + if (format.get() && + (audio_is_linear_pcm(audioFormat) || audio_is_offload_pcm(audioFormat))) + format->setInt32("pcm-format", audioFormat); +} + +void AVNuUtils::setSourcePCMFormat(const sp<MetaData> &audioMeta) { + if (!audioMeta.get() || !isRAWFormat(audioMeta)) + return; + + audio_format_t pcmFormat = getKeyPCMFormat(audioMeta); + if (pcmFormat == AUDIO_FORMAT_INVALID) { + int32_t bits = 16; + if (audioMeta->findInt32(kKeyBitsPerSample, &bits)) { + if (bits == 8) + pcmFormat = AUDIO_FORMAT_PCM_8_BIT; + else if (bits == 24) + pcmFormat = AUDIO_FORMAT_PCM_32_BIT; + else if (bits == 32) + pcmFormat = AUDIO_FORMAT_PCM_FLOAT; + else + pcmFormat = AUDIO_FORMAT_PCM_16_BIT; + setKeyPCMFormat(audioMeta, pcmFormat); + } + } +} + +void AVNuUtils::setDecodedPCMFormat(const sp<AMessage> &) { + +} + +status_t AVNuUtils::convertToSinkFormatIfNeeded( + const sp<ABuffer> &buffer, sp<ABuffer> &newBuffer, + audio_format_t sinkFormat, bool isOffload) { + + audio_format_t srcFormat = AUDIO_FORMAT_INVALID; + if (!isOffload + || !audio_is_offload_pcm(sinkFormat) + || !buffer->meta()->findInt32("pcm-format", (int32_t *)&srcFormat) + || ((int32_t)srcFormat < 0)) { + newBuffer = buffer; + return OK; + } + + size_t bps = audio_bytes_per_sample(srcFormat); + + if (bps <= 0) { + ALOGE("Invalid pcmformat %x given for conversion", srcFormat); + return INVALID_OPERATION; + } + + size_t frames = buffer->size() / bps; + + if (frames == 0) { + ALOGE("zero sized buffer, nothing to convert"); + return BAD_VALUE; + } + + ALOGV("convert %zu bytes (frames %zu) of format %x", + buffer->size(), frames, srcFormat); + + audio_format_t dstFormat; + switch (sinkFormat) { + case AUDIO_FORMAT_PCM_16_BIT_OFFLOAD: + dstFormat = AUDIO_FORMAT_PCM_16_BIT; + break; + case AUDIO_FORMAT_PCM_24_BIT_OFFLOAD: + if (srcFormat == AUDIO_FORMAT_PCM_32_BIT) + dstFormat = AUDIO_FORMAT_PCM_32_BIT; + else + dstFormat = AUDIO_FORMAT_PCM_24_BIT_OFFLOAD; + break; + case AUDIO_FORMAT_DEFAULT: + ALOGI("OffloadInfo not yet initialized, retry"); + return NO_INIT; + default: + ALOGE("Invalid offload format %x given for conversion", + sinkFormat); + return INVALID_OPERATION; + } + if (srcFormat == dstFormat) { + newBuffer = buffer; + return OK; + } + + size_t dstFrameSize = audio_bytes_per_sample(dstFormat); + size_t dstBytes = frames * dstFrameSize; + + newBuffer = new ABuffer(dstBytes); + + memcpy_by_audio_format(newBuffer->data(), dstFormat, + buffer->data(), srcFormat, frames); + + ALOGV("convert to format %x newBuffer->size() %zu", + dstFormat, newBuffer->size()); + + // copy over some meta info + int64_t timeUs = 0; + buffer->meta()->findInt64("timeUs", &timeUs); + newBuffer->meta()->setInt64("timeUs", timeUs); + + int32_t eos = false; + buffer->meta()->findInt32("eos", &eos); + newBuffer->meta()->setInt32("eos", eos); + + newBuffer->meta()->setInt32("pcm-format", (int32_t)dstFormat); + return OK; +} + +void AVNuUtils::printFileName(int) {} + +void AVNuUtils::checkFormatChange(bool * /*formatChange*/, + const sp<ABuffer> & /*accessUnit*/) { +} + +#ifdef TARGET_8974 +void AVNuUtils::addFlagsInMeta(const sp<ABuffer> & /*buffer*/, + int32_t /*flags*/, bool /*isAudio*/) { +} +#endif + +uint32_t AVNuUtils::getFlags() { + return 0; +} + +bool AVNuUtils::canUseSetBuffers(const sp<MetaData> &/*Meta*/) { + return false; +} + +bool AVNuUtils::dropCorruptFrame() { return false; } + +// ----- NO TRESSPASSING BEYOND THIS LINE ------ +AVNuUtils::AVNuUtils() {} + +AVNuUtils::~AVNuUtils() {} + +//static +AVNuUtils *AVNuUtils::sInst = + ExtensionsLoader<AVNuUtils>::createInstance("createExtendedNuUtils"); + +} //namespace android + |