/* -*- 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)

{

  AUTO_PROFILER_LABEL("WebMWriter::WriteEncodedTrack", 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)

{

  AUTO_PROFILER_LABEL("WebMWriter::GetContainerData", OTHER);

  mEbmlComposer->ExtractBuffer(aOutputBufs, aFlags);

  if (aFlags & ContainerWriter::FLUSH_NEEDED) {

    mIsWritingComplete = true;

  }

  return NS_OK;

}

nsresult

WebMWriter::SetMetadata(TrackMetadataBase* aMetadata)

{

  MOZ_ASSERT(aMetadata);

  AUTO_PROFILER_LABEL("WebMWriter::SetMetadata", 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);

    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