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855e1c95cd
Differential Revision: https://phabricator.services.mozilla.com/D40447 --HG-- extra : moz-landing-system : lando
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebMWriter.h"
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#include "EbmlComposer.h"
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#include "GeckoProfiler.h"
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#include "OpusTrackEncoder.h"
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namespace mozilla {
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WebMWriter::WebMWriter() : ContainerWriter() {
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mEbmlComposer = new EbmlComposer();
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}
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WebMWriter::~WebMWriter() {
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// Out-of-line dtor so mEbmlComposer nsAutoPtr can delete a complete type.
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}
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nsresult WebMWriter::WriteEncodedTrack(
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const nsTArray<RefPtr<EncodedFrame>>& aData, uint32_t aFlags) {
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AUTO_PROFILER_LABEL("WebMWriter::WriteEncodedTrack", OTHER);
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for (uint32_t i = 0; i < aData.Length(); i++) {
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mEbmlComposer->WriteSimpleBlock(aData.ElementAt(i).get());
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}
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return NS_OK;
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}
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nsresult WebMWriter::GetContainerData(nsTArray<nsTArray<uint8_t>>* aOutputBufs,
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uint32_t aFlags) {
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AUTO_PROFILER_LABEL("WebMWriter::GetContainerData", OTHER);
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mEbmlComposer->ExtractBuffer(aOutputBufs, aFlags);
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if (aFlags & ContainerWriter::FLUSH_NEEDED) {
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mIsWritingComplete = true;
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}
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return NS_OK;
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}
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nsresult WebMWriter::SetMetadata(
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const nsTArray<RefPtr<TrackMetadataBase>>& aMetadata) {
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AUTO_PROFILER_LABEL("WebMWriter::SetMetadata", OTHER);
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MOZ_DIAGNOSTIC_ASSERT(!aMetadata.IsEmpty());
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// Integrity checks
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bool bad = false;
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for (const RefPtr<TrackMetadataBase>& metadata : aMetadata) {
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MOZ_ASSERT(metadata);
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if (metadata->GetKind() == TrackMetadataBase::METADATA_VP8) {
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VP8Metadata* meta = static_cast<VP8Metadata*>(metadata.get());
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if (meta->mWidth == 0 || meta->mHeight == 0 || meta->mDisplayWidth == 0 ||
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meta->mDisplayHeight == 0) {
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bad = true;
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}
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}
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if (metadata->GetKind() == TrackMetadataBase::METADATA_VORBIS) {
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VorbisMetadata* meta = static_cast<VorbisMetadata*>(metadata.get());
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if (meta->mSamplingFrequency == 0 || meta->mChannels == 0 ||
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meta->mData.IsEmpty()) {
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bad = true;
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}
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}
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if (metadata->GetKind() == TrackMetadataBase::METADATA_OPUS) {
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OpusMetadata* meta = static_cast<OpusMetadata*>(metadata.get());
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if (meta->mSamplingFrequency == 0 || meta->mChannels == 0 ||
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meta->mIdHeader.IsEmpty()) {
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bad = true;
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}
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}
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}
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if (bad) {
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return NS_ERROR_FAILURE;
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}
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// Storing
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DebugOnly<bool> hasAudio = false;
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DebugOnly<bool> hasVideo = false;
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for (const RefPtr<TrackMetadataBase>& metadata : aMetadata) {
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MOZ_ASSERT(metadata);
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if (metadata->GetKind() == TrackMetadataBase::METADATA_VP8) {
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MOZ_ASSERT(!hasVideo);
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VP8Metadata* meta = static_cast<VP8Metadata*>(metadata.get());
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mEbmlComposer->SetVideoConfig(meta->mWidth, meta->mHeight,
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meta->mDisplayWidth, meta->mDisplayHeight);
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hasVideo = true;
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}
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if (metadata->GetKind() == TrackMetadataBase::METADATA_VORBIS) {
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MOZ_ASSERT(!hasAudio);
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VorbisMetadata* meta = static_cast<VorbisMetadata*>(metadata.get());
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mEbmlComposer->SetAudioConfig(meta->mSamplingFrequency, meta->mChannels);
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mEbmlComposer->SetAudioCodecPrivateData(meta->mData);
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hasAudio = true;
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}
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if (metadata->GetKind() == TrackMetadataBase::METADATA_OPUS) {
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MOZ_ASSERT(!hasAudio);
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OpusMetadata* meta = static_cast<OpusMetadata*>(metadata.get());
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mEbmlComposer->SetAudioConfig(meta->mSamplingFrequency, meta->mChannels);
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mEbmlComposer->SetAudioCodecPrivateData(meta->mIdHeader);
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hasAudio = true;
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}
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}
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mEbmlComposer->GenerateHeader();
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return NS_OK;
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}
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} // namespace mozilla
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