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Bug 1073805 - Apply ADTS headers to AAC on MacOS. r=cpearce

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Our AudioFileStream parser needs the headers to find the sample
boundaries.
This commit is contained in:
Ralph Giles 2014-10-30 15:47:00 -07:00
parent 9ab7a58861
commit f16eb3b79f
1 changed files with 14 additions and 0 deletions
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14
dom/media/fmp4/apple/AppleATDecoder.cpp
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@ -10,6 +10,7 @@
#include "MP4Decoder.h"
#include "mozilla/RefPtr.h"
#include "mozilla/ReentrantMonitor.h"
#include "mp4_demuxer/Adts.h"
#include "mp4_demuxer/DecoderData.h"
#include "nsIThread.h"
#include "AppleATDecoder.h"
@ -355,6 +356,19 @@ AppleATDecoder::SetupDecoder()
void
AppleATDecoder::SubmitSample(nsAutoPtr<mp4_demuxer::MP4Sample> aSample)
{
// Prepend ADTS header to AAC audio.
if (!strcmp(mConfig.mime_type, "audio/mp4a-latm")) {
bool rv = mp4_demuxer::Adts::ConvertSample(mConfig.channel_count,
mConfig.frequency_index,
mConfig.aac_profile,
aSample);
if (!rv) {
NS_ERROR("Failed to apply ADTS header");
mCallback->Error();
return;
}
}
// Push the sample to the AudioFileStream for parsing.
mSamplePosition = aSample->byte_offset;
mCurrentAudioTimestamp = aSample->composition_timestamp;
uint32_t flags = mFlushed ? kAudioFileStreamParseFlag_Discontinuity : 0;