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