diff options
author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2017-07-17 13:57:45 +0200 |
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committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2017-07-19 13:44:40 +0000 |
commit | 6ec7b8da05d21a3878bd21c691b41e675d74bb1c (patch) | |
tree | b87f250bc19413750b9bb9cdbf2da20ef5014820 /chromium/media/filters/android/media_codec_audio_decoder.cc | |
parent | ec02ee4181c49b61fce1c8fb99292dbb8139cc90 (diff) | |
download | qtwebengine-chromium-6ec7b8da05d21a3878bd21c691b41e675d74bb1c.tar.gz |
BASELINE: Update Chromium to 60.0.3112.70
Change-Id: I9911c2280a014d4632f254857876a395d4baed2d
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Diffstat (limited to 'chromium/media/filters/android/media_codec_audio_decoder.cc')
-rw-r--r-- | chromium/media/filters/android/media_codec_audio_decoder.cc | 66 |
1 files changed, 56 insertions, 10 deletions
diff --git a/chromium/media/filters/android/media_codec_audio_decoder.cc b/chromium/media/filters/android/media_codec_audio_decoder.cc index 6c443285b4e..0fe3b81bd21 100644 --- a/chromium/media/filters/android/media_codec_audio_decoder.cc +++ b/chromium/media/filters/android/media_codec_audio_decoder.cc @@ -4,15 +4,20 @@ #include "media/filters/android/media_codec_audio_decoder.h" +#include <cmath> + #include "base/android/build_info.h" #include "base/bind.h" #include "base/callback_helpers.h" #include "base/logging.h" +#include "base/single_thread_task_runner.h" #include "base/threading/thread_task_runner_handle.h" #include "media/base/android/media_codec_bridge_impl.h" +#include "media/base/android/media_codec_util.h" #include "media/base/audio_timestamp_helper.h" #include "media/base/bind_to_current_loop.h" #include "media/base/timestamp_constants.h" +#include "media/formats/ac3/ac3_util.h" namespace media { @@ -20,6 +25,8 @@ MediaCodecAudioDecoder::MediaCodecAudioDecoder( scoped_refptr<base::SingleThreadTaskRunner> task_runner) : task_runner_(task_runner), state_(STATE_UNINITIALIZED), + is_passthrough_(false), + sample_format_(kSampleFormatS16), channel_count_(0), channel_layout_(CHANNEL_LAYOUT_NONE), sample_rate_(0), @@ -65,6 +72,13 @@ void MediaCodecAudioDecoder::Initialize(const AudioDecoderConfig& config, ClearInputQueue(DecodeStatus::ABORTED); InitCB bound_init_cb = BindToCurrentLoop(init_cb); + is_passthrough_ = MediaCodecUtil::IsPassthroughAudioFormat(config.codec()); + sample_format_ = kSampleFormatS16; + + if (config.codec() == kCodecAC3) + sample_format_ = kSampleFormatAc3; + else if (config.codec() == kCodecEAC3) + sample_format_ = kSampleFormatEac3; if (state_ == STATE_ERROR) { DVLOG(1) << "Decoder is in error state."; @@ -75,9 +89,9 @@ void MediaCodecAudioDecoder::Initialize(const AudioDecoderConfig& config, // We can support only the codecs that MediaCodecBridge can decode. // TODO(xhwang): Get this list from MediaCodecBridge or just rely on // attempting to create one to determine whether the codec is supported. - const bool is_codec_supported = config.codec() == kCodecVorbis || - config.codec() == kCodecAAC || - config.codec() == kCodecOpus; + const bool is_codec_supported = + config.codec() == kCodecVorbis || config.codec() == kCodecAAC || + config.codec() == kCodecOpus || is_passthrough_; if (!is_codec_supported) { DVLOG(1) << "Unsuported codec " << GetCodecName(config.codec()); bound_init_cb.Run(false); @@ -358,14 +372,46 @@ bool MediaCodecAudioDecoder::OnDecodedFrame( // of channels which can be different from |config_| value. DCHECK_GT(channel_count_, 0); - // Android MediaCodec can only output 16bit PCM audio. - const int bytes_per_frame = sizeof(uint16_t) * channel_count_; - const size_t frame_count = out.size / bytes_per_frame; + size_t frame_count = 1; + scoped_refptr<AudioBuffer> audio_buffer; + + if (is_passthrough_) { + audio_buffer = AudioBuffer::CreateBitstreamBuffer( + sample_format_, channel_layout_, channel_count_, sample_rate_, + frame_count, out.size, pool_); + + MediaCodecStatus status = media_codec->CopyFromOutputBuffer( + out.index, out.offset, audio_buffer->channel_data()[0], out.size); + + if (status != MEDIA_CODEC_OK) { + media_codec->ReleaseOutputBuffer(out.index, false); + return false; + } + + if (config_.codec() == kCodecAC3) { + frame_count = Ac3Util::ParseTotalAc3SampleCount( + audio_buffer->channel_data()[0], out.size); + } else if (config_.codec() == kCodecEAC3) { + frame_count = Ac3Util::ParseTotalEac3SampleCount( + audio_buffer->channel_data()[0], out.size); + } else { + NOTREACHED() << "Unsupported passthrough format."; + } - // Create AudioOutput buffer based on current parameters. - scoped_refptr<AudioBuffer> audio_buffer = AudioBuffer::CreateBuffer( - kSampleFormatS16, channel_layout_, channel_count_, sample_rate_, - frame_count, pool_); + // Create AudioOutput buffer based on current parameters. + audio_buffer = AudioBuffer::CreateBitstreamBuffer( + sample_format_, channel_layout_, channel_count_, sample_rate_, + frame_count, out.size, pool_); + } else { + // Android MediaCodec can only output 16bit PCM audio. + const int bytes_per_frame = sizeof(uint16_t) * channel_count_; + frame_count = out.size / bytes_per_frame; + + // Create AudioOutput buffer based on current parameters. + audio_buffer = AudioBuffer::CreateBuffer(sample_format_, channel_layout_, + channel_count_, sample_rate_, + frame_count, pool_); + } // Copy data into AudioBuffer. CHECK_LE(out.size, audio_buffer->data_size()); |