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comparison: content/media/webm/WebMWriter.cpp
content/media/webm/WebMWriter.cpp
- changeset 0
- 6474c204b198
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "WebMWriter.h" | |
| 7 #include "EbmlComposer.h" | |
| 8 | |
| 9 namespace mozilla { | |
| 10 | |
| 11 WebMWriter::WebMWriter(uint32_t aTrackTypes) : ContainerWriter() | |
| 12 { | |
| 13 mMetadataRequiredFlag = aTrackTypes; | |
| 14 mEbmlComposer = new EbmlComposer(); | |
| 15 } | |
| 16 | |
| 17 nsresult | |
| 18 WebMWriter::WriteEncodedTrack(const EncodedFrameContainer& aData, | |
| 19 uint32_t aFlags) | |
| 20 { | |
| 21 for (uint32_t i = 0 ; i < aData.GetEncodedFrames().Length(); i++) { | |
| 22 mEbmlComposer->WriteSimpleBlock(aData.GetEncodedFrames().ElementAt(i).get()); | |
| 23 } | |
| 24 return NS_OK; | |
| 25 } | |
| 26 | |
| 27 nsresult | |
| 28 WebMWriter::GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs, | |
| 29 uint32_t aFlags) | |
| 30 { | |
| 31 mEbmlComposer->ExtractBuffer(aOutputBufs, aFlags); | |
| 32 if (aFlags & ContainerWriter::FLUSH_NEEDED) { | |
| 33 mIsWritingComplete = true; | |
| 34 } | |
| 35 return NS_OK; | |
| 36 } | |
| 37 | |
| 38 nsresult | |
| 39 WebMWriter::SetMetadata(TrackMetadataBase* aMetadata) | |
| 40 { | |
| 41 MOZ_ASSERT(aMetadata); | |
| 42 if (aMetadata->GetKind() == TrackMetadataBase::METADATA_VP8) { | |
| 43 VP8Metadata* meta = static_cast<VP8Metadata*>(aMetadata); | |
| 44 MOZ_ASSERT(meta, "Cannot find vp8 encoder metadata"); | |
| 45 mEbmlComposer->SetVideoConfig(meta->mWidth, meta->mHeight, | |
| 46 meta->mDisplayWidth, meta->mDisplayHeight, | |
| 47 meta->mEncodedFrameRate); | |
| 48 mMetadataRequiredFlag = mMetadataRequiredFlag & ~ContainerWriter::CREATE_VIDEO_TRACK; | |
| 49 } | |
| 50 | |
| 51 if (aMetadata->GetKind() == TrackMetadataBase::METADATA_VORBIS) { | |
| 52 VorbisMetadata* meta = static_cast<VorbisMetadata*>(aMetadata); | |
| 53 MOZ_ASSERT(meta, "Cannot find vorbis encoder metadata"); | |
| 54 mEbmlComposer->SetAudioConfig(meta->mSamplingFrequency, meta->mChannels, meta->mBitDepth); | |
| 55 mEbmlComposer->SetAudioCodecPrivateData(meta->mData); | |
| 56 mMetadataRequiredFlag = mMetadataRequiredFlag & ~ContainerWriter::CREATE_AUDIO_TRACK; | |
| 57 } | |
| 58 | |
| 59 if (!mMetadataRequiredFlag) { | |
| 60 mEbmlComposer->GenerateHeader(); | |
| 61 } | |
| 62 return NS_OK; | |
| 63 } | |
| 64 | |
| 65 } // mozilla namespace |
