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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebMWriter.h"
#include "EbmlComposer.h"
#include "GeckoProfiler.h"
#include "OpusTrackEncoder.h"
namespace mozilla {
WebMWriter::WebMWriter(uint32_t aTrackTypes) : ContainerWriter()
{
mMetadataRequiredFlag = aTrackTypes;
mEbmlComposer = new EbmlComposer();
}
WebMWriter::~WebMWriter()
{
// Out-of-line dtor so mEbmlComposer nsAutoPtr can delete a complete type.
}
nsresult
WebMWriter::WriteEncodedTrack(const EncodedFrameContainer& aData,
uint32_t aFlags)
{
PROFILER_LABEL("WebMWriter", "SetMetadata",
js::ProfileEntry::Category::OTHER);
for (uint32_t i = 0 ; i < aData.GetEncodedFrames().Length(); i++) {
mEbmlComposer->WriteSimpleBlock(aData.GetEncodedFrames().ElementAt(i).get());
}
return NS_OK;
}
nsresult
WebMWriter::GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs,
uint32_t aFlags)
{
PROFILER_LABEL("WebMWriter", "GetContainerData",
js::ProfileEntry::Category::OTHER);
mEbmlComposer->ExtractBuffer(aOutputBufs, aFlags);
if (aFlags & ContainerWriter::FLUSH_NEEDED) {
mIsWritingComplete = true;
}
return NS_OK;
}
nsresult
WebMWriter::SetMetadata(TrackMetadataBase* aMetadata)
{
MOZ_ASSERT(aMetadata);
PROFILER_LABEL("WebMWriter", "SetMetadata",
js::ProfileEntry::Category::OTHER);
if (aMetadata->GetKind() == TrackMetadataBase::METADATA_VP8) {
VP8Metadata* meta = static_cast<VP8Metadata*>(aMetadata);
MOZ_ASSERT(meta, "Cannot find vp8 encoder metadata");
mEbmlComposer->SetVideoConfig(meta->mWidth, meta->mHeight,
meta->mDisplayWidth, meta->mDisplayHeight,
meta->mEncodedFrameRate);
mMetadataRequiredFlag = mMetadataRequiredFlag & ~ContainerWriter::CREATE_VIDEO_TRACK;
}
if (aMetadata->GetKind() == TrackMetadataBase::METADATA_VORBIS) {
VorbisMetadata* meta = static_cast<VorbisMetadata*>(aMetadata);
MOZ_ASSERT(meta, "Cannot find vorbis encoder metadata");
mEbmlComposer->SetAudioConfig(meta->mSamplingFrequency, meta->mChannels);
mEbmlComposer->SetAudioCodecPrivateData(meta->mData);
mMetadataRequiredFlag = mMetadataRequiredFlag & ~ContainerWriter::CREATE_AUDIO_TRACK;
}
if (aMetadata->GetKind() == TrackMetadataBase::METADATA_OPUS) {
OpusMetadata* meta = static_cast<OpusMetadata*>(aMetadata);
MOZ_ASSERT(meta, "Cannot find Opus encoder metadata");
mEbmlComposer->SetAudioConfig(meta->mSamplingFrequency, meta->mChannels);
mEbmlComposer->SetAudioCodecPrivateData(meta->mIdHeader);
mMetadataRequiredFlag = mMetadataRequiredFlag & ~ContainerWriter::CREATE_AUDIO_TRACK;
}
if (!mMetadataRequiredFlag) {
mEbmlComposer->GenerateHeader();
}
return NS_OK;
}
} // namespace mozilla
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