Remove other gonk widget conditionals and unused files.

Tag #288.

1 files changed, 0 insertions, 1550 deletions

diff --git a/dom/media/encoder/fmp4_muxer/ISOMediaBoxes.cpp b/dom/media/encoder/fmp4_muxer/ISOMediaBoxes.cpp
deleted file mode 100644
index 32a0c577b..000000000
--- a/dom/media/encoder/fmp4_muxer/ISOMediaBoxes.cpp
+++ /dev/null
@@ -1,1550 +0,0 @@
-/* -*- 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 <climits>
-#include "TrackMetadataBase.h"
-#include "ISOMediaBoxes.h"
-#include "ISOControl.h"
-#include "ISOMediaWriter.h"
-#include "EncodedFrameContainer.h"
-#include "ISOTrackMetadata.h"
-#include "MP4ESDS.h"
-#include "AMRBox.h"
-#include "AVCBox.h"
-#include "EVRCBox.h"
-#include "VideoUtils.h"
-
-namespace mozilla {
-
-// 14496-12 6.2.2 'Data Types and fields'
-const uint32_t iso_matrix[] = { 0x00010000, 0,          0,
-                                0,          0x00010000, 0,
-                                0,          0,          0x40000000 };
-
-uint32_t
-set_sample_flags(bool aSync)
-{
-  std::bitset<32> flags;
-  flags.set(16, !aSync);
-  return flags.to_ulong();
-}
-
-Box::BoxSizeChecker::BoxSizeChecker(ISOControl* aControl, uint32_t aSize)
-{
-  mControl = aControl;
-  ori_size = mControl->GetBufPos();
-  box_size = aSize;
-  MOZ_COUNT_CTOR(BoxSizeChecker);
-}
-
-Box::BoxSizeChecker::~BoxSizeChecker()
-{
-  uint32_t cur_size = mControl->GetBufPos();
-  if ((cur_size - ori_size) != box_size) {
-    MOZ_ASSERT(false);
-  }
-
-  MOZ_COUNT_DTOR(BoxSizeChecker);
-}
-
-nsresult
-MediaDataBox::Generate(uint32_t* aBoxSize)
-{
-  mFirstSampleOffset = size;
-  mAllSampleSize = 0;
-
-  if (mTrackType & Audio_Track) {
-    FragmentBuffer* frag = mControl->GetFragment(Audio_Track);
-    mAllSampleSize += frag->GetFirstFragmentSampleSize();
-  }
-  if (mTrackType & Video_Track) {
-    FragmentBuffer* frag = mControl->GetFragment(Video_Track);
-    mAllSampleSize += frag->GetFirstFragmentSampleSize();
-  }
-
-  size += mAllSampleSize;
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-MediaDataBox::Write()
-{
-  nsresult rv;
-  BoxSizeChecker checker(mControl, size);
-  Box::Write();
-  nsTArray<uint32_t> types;
-  types.AppendElement(Audio_Track);
-  types.AppendElement(Video_Track);
-
-  for (uint32_t l = 0; l < types.Length(); l++) {
-    if (mTrackType & types[l]) {
-      FragmentBuffer* frag = mControl->GetFragment(types[l]);
-      nsTArray<RefPtr<EncodedFrame>> frames;
-
-      // Here is the last time we get fragment frames, flush it!
-      rv = frag->GetFirstFragment(frames, true);
-      NS_ENSURE_SUCCESS(rv, rv);
-
-      uint32_t len = frames.Length();
-      for (uint32_t i = 0; i < len; i++) {
-        nsTArray<uint8_t> frame_buffer;
-        frames.ElementAt(i)->SwapOutFrameData(frame_buffer);
-        mControl->WriteAVData(frame_buffer);
-      }
-    }
-  }
-
-  return NS_OK;
-}
-
-MediaDataBox::MediaDataBox(uint32_t aTrackType, ISOControl* aControl)
-  : Box(NS_LITERAL_CSTRING("mdat"), aControl)
-  , mAllSampleSize(0)
-  , mFirstSampleOffset(0)
-  , mTrackType(aTrackType)
-{
-  MOZ_COUNT_CTOR(MediaDataBox);
-}
-
-MediaDataBox::~MediaDataBox()
-{
-  MOZ_COUNT_DTOR(MediaDataBox);
-}
-
-uint32_t
-TrackRunBox::fillSampleTable()
-{
-  uint32_t table_size = 0;
-  nsresult rv;
-  nsTArray<RefPtr<EncodedFrame>> frames;
-  FragmentBuffer* frag = mControl->GetFragment(mTrackType);
-
-  rv = frag->GetFirstFragment(frames);
-  if (NS_FAILED(rv)) {
-    return 0;
-  }
-  uint32_t len = frames.Length();
-  sample_info_table = MakeUnique<tbl[]>(len);
-  // Create sample table according to 14496-12 8.8.8.2.
-  for (uint32_t i = 0; i < len; i++) {
-    // Sample size.
-    sample_info_table[i].sample_size = 0;
-    if (flags.to_ulong() & flags_sample_size_present) {
-      sample_info_table[i].sample_size = frames.ElementAt(i)->GetFrameData().Length();
-      mAllSampleSize += sample_info_table[i].sample_size;
-      table_size += sizeof(uint32_t);
-    }
-
-    // Sample flags.
-    sample_info_table[i].sample_flags = 0;
-    if (flags.to_ulong() & flags_sample_flags_present) {
-      sample_info_table[i].sample_flags =
-        set_sample_flags(
-          (frames.ElementAt(i)->GetFrameType() == EncodedFrame::AVC_I_FRAME));
-      table_size += sizeof(uint32_t);
-    }
-
-    // Sample duration.
-    sample_info_table[i].sample_duration = 0;
-    if (flags.to_ulong() & flags_sample_duration_present) {
-      // Calculate each frame's duration, it is decided by "current frame
-      // timestamp - last frame timestamp".
-      uint64_t frame_time = 0;
-      if (i == 0) {
-        frame_time = frames.ElementAt(i)->GetTimeStamp() -
-                     frag->GetLastFragmentLastFrameTime();
-      } else {
-        frame_time = frames.ElementAt(i)->GetTimeStamp() -
-                     frames.ElementAt(i - 1)->GetTimeStamp();
-        // Keep the last frame time of current fagment, it will be used to calculate
-        // the first frame duration of next fragment.
-        if ((len - 1) == i) {
-          frag->SetLastFragmentLastFrameTime(frames.ElementAt(i)->GetTimeStamp());
-        }
-      }
-
-      // In TrackRunBox, there should be exactly one type, either audio or video.
-      MOZ_ASSERT((mTrackType & Video_Track) ^ (mTrackType & Audio_Track));
-      sample_info_table[i].sample_duration = (mTrackType & Video_Track ?
-        frame_time * mVideoMeta->GetVideoClockRate() / USECS_PER_S :
-        frame_time * mAudioMeta->GetAudioSampleRate() / USECS_PER_S);
-
-      table_size += sizeof(uint32_t);
-    }
-
-    sample_info_table[i].sample_composition_time_offset = 0;
-  }
-  return table_size;
-}
-
-nsresult
-TrackRunBox::Generate(uint32_t* aBoxSize)
-{
-  FragmentBuffer* frag = mControl->GetFragment(mTrackType);
-  sample_count = frag->GetFirstFragmentSampleNumber();
-  size += sizeof(sample_count);
-
-  // data_offset needs to be updated if there is other
-  // TrackRunBox before this one.
-  if (flags.to_ulong() & flags_data_offset_present) {
-    data_offset = 0;
-    size += sizeof(data_offset);
-  }
-  size += fillSampleTable();
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-TrackRunBox::SetDataOffset(uint32_t aOffset)
-{
-  data_offset = aOffset;
-  return NS_OK;
-}
-
-nsresult
-TrackRunBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(sample_count);
-  if (flags.to_ulong() & flags_data_offset_present) {
-    mControl->Write(data_offset);
-  }
-  for (uint32_t i = 0; i < sample_count; i++) {
-    if (flags.to_ulong() & flags_sample_duration_present) {
-      mControl->Write(sample_info_table[i].sample_duration);
-    }
-    if (flags.to_ulong() & flags_sample_size_present) {
-      mControl->Write(sample_info_table[i].sample_size);
-    }
-    if (flags.to_ulong() & flags_sample_flags_present) {
-      mControl->Write(sample_info_table[i].sample_flags);
-    }
-  }
-
-  return NS_OK;
-}
-
-TrackRunBox::TrackRunBox(uint32_t aType, uint32_t aFlags, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("trun"), 0, aFlags, aControl)
-  , sample_count(0)
-  , data_offset(0)
-  , first_sample_flags(0)
-  , mAllSampleSize(0)
-  , mTrackType(aType)
-{
-  MOZ_COUNT_CTOR(TrackRunBox);
-}
-
-TrackRunBox::~TrackRunBox()
-{
-  MOZ_COUNT_DTOR(TrackRunBox);
-}
-
-nsresult
-TrackFragmentHeaderBox::UpdateBaseDataOffset(uint64_t aOffset)
-{
-  base_data_offset = aOffset;
-  return NS_OK;
-}
-
-nsresult
-TrackFragmentHeaderBox::Generate(uint32_t* aBoxSize)
-{
-  track_ID = (mTrackType == Audio_Track ?
-                mControl->GetTrackID(mAudioMeta->GetKind()) :
-                mControl->GetTrackID(mVideoMeta->GetKind()));
-  size += sizeof(track_ID);
-
-  if (flags.to_ulong() & base_data_offset_present) {
-    // base_data_offset needs to add size of 'trun', 'tfhd' and
-    // header of 'mdat' later.
-    base_data_offset = 0;
-    size += sizeof(base_data_offset);
-  }
-  if (flags.to_ulong() & default_sample_duration_present) {
-    if (mTrackType == Video_Track) {
-      if (!mVideoMeta->GetVideoFrameRate()) {
-        // 0 means frame rate is variant, so it is wrong to write
-        // default_sample_duration.
-        MOZ_ASSERT(0);
-        default_sample_duration = 0;
-      } else {
-        default_sample_duration = mVideoMeta->GetVideoClockRate() / mVideoMeta->GetVideoFrameRate();
-      }
-    } else if (mTrackType == Audio_Track) {
-      default_sample_duration = mAudioMeta->GetAudioFrameDuration();
-    } else {
-      MOZ_ASSERT(0);
-      return NS_ERROR_FAILURE;
-    }
-    size += sizeof(default_sample_duration);
-  }
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-TrackFragmentHeaderBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(track_ID);
-  if (flags.to_ulong() & base_data_offset_present) {
-    mControl->Write(base_data_offset);
-  }
-  if (flags.to_ulong() & default_sample_duration_present) {
-    mControl->Write(default_sample_duration);
-  }
-  return NS_OK;
-}
-
-TrackFragmentHeaderBox::TrackFragmentHeaderBox(uint32_t aType,
-                                               uint32_t aFlags,
-                                               ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("tfhd"), 0, aFlags, aControl)
-  , track_ID(0)
-  , base_data_offset(0)
-  , default_sample_duration(0)
-{
-  mTrackType = aType;
-  MOZ_COUNT_CTOR(TrackFragmentHeaderBox);
-}
-
-TrackFragmentHeaderBox::~TrackFragmentHeaderBox()
-{
-  MOZ_COUNT_DTOR(TrackFragmentHeaderBox);
-}
-
-TrackFragmentBox::TrackFragmentBox(uint32_t aType, ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("traf"), aControl)
-  , mTrackType(aType)
-{
-  // Flags in TrackFragmentHeaderBox.
-  uint32_t tf_flags = base_data_offset_present;
-
-  // Ideally, audio encoder generates audio frame in const rate. However, some
-  // audio encoders don't do it so the audio frame duration needs to be checked
-  // here.
-  if ((mTrackType & Audio_Track) && mAudioMeta->GetAudioFrameDuration()) {
-    tf_flags |= default_sample_duration_present;
-  }
-
-  boxes.AppendElement(new TrackFragmentHeaderBox(aType, tf_flags, aControl));
-
-  // Always adds flags_data_offset_present in each TrackRunBox, Android
-  // parser requires this flag to calculate the correct bitstream offset.
-  uint32_t tr_flags = flags_sample_size_present | flags_data_offset_present;
-
-  // Flags in TrackRunBox.
-  // If there is no default sample duration exists, each frame duration needs to
-  // be recored in the TrackRunBox.
-  tr_flags |= (tf_flags & default_sample_duration_present ? 0 : flags_sample_duration_present);
-
-  // For video, add sample_flags to record I frame.
-  tr_flags |= (mTrackType & Video_Track ? flags_sample_flags_present : 0);
-
-  boxes.AppendElement(new TrackRunBox(mTrackType, tr_flags, aControl));
-  MOZ_COUNT_CTOR(TrackFragmentBox);
-}
-
-TrackFragmentBox::~TrackFragmentBox()
-{
-  MOZ_COUNT_DTOR(TrackFragmentBox);
-}
-
-nsresult
-MovieFragmentHeaderBox::Generate(uint32_t* aBoxSize)
-{
-  sequence_number = mControl->GetCurFragmentNumber();
-  size += sizeof(sequence_number);
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-MovieFragmentHeaderBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(sequence_number);
-  return NS_OK;
-}
-
-MovieFragmentHeaderBox::MovieFragmentHeaderBox(uint32_t aTrackType,
-                                               ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("mfhd"), 0, 0, aControl)
-  , sequence_number(0)
-  , mTrackType(aTrackType)
-{
-  MOZ_COUNT_CTOR(MovieFragmentHeaderBox);
-}
-
-MovieFragmentHeaderBox::~MovieFragmentHeaderBox()
-{
-  MOZ_COUNT_DTOR(MovieFragmentHeaderBox);
-}
-
-MovieFragmentBox::MovieFragmentBox(uint32_t aType, ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("moof"), aControl)
-  , mTrackType(aType)
-{
-  boxes.AppendElement(new MovieFragmentHeaderBox(mTrackType, aControl));
-
-  if (mTrackType & Audio_Track) {
-    boxes.AppendElement(
-      new TrackFragmentBox(Audio_Track, aControl));
-  }
-  if (mTrackType & Video_Track) {
-    boxes.AppendElement(
-      new TrackFragmentBox(Video_Track, aControl));
-  }
-  MOZ_COUNT_CTOR(MovieFragmentBox);
-}
-
-MovieFragmentBox::~MovieFragmentBox()
-{
-  MOZ_COUNT_DTOR(MovieFragmentBox);
-}
-
-nsresult
-MovieFragmentBox::Generate(uint32_t* aBoxSize)
-{
-  nsresult rv = DefaultContainerImpl::Generate(aBoxSize);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Correct data_offset if there are both audio and video track in
-  // this fragment. This offset means the offset in the MediaDataBox.
-  if (mTrackType & (Audio_Track | Video_Track)) {
-    nsTArray<RefPtr<MuxerOperation>> truns;
-    rv = Find(NS_LITERAL_CSTRING("trun"), truns);
-    NS_ENSURE_SUCCESS(rv, rv);
-    uint32_t len = truns.Length();
-    uint32_t data_offset = 0;
-    for (uint32_t i = 0; i < len; i++) {
-      TrackRunBox* trun = (TrackRunBox*) truns.ElementAt(i).get();
-      rv = trun->SetDataOffset(data_offset);
-      NS_ENSURE_SUCCESS(rv, rv);
-      data_offset += trun->GetAllSampleSize();
-    }
-  }
-
-  return NS_OK;
-}
-
-nsresult
-TrackExtendsBox::Generate(uint32_t* aBoxSize)
-{
-  track_ID = (mTrackType == Audio_Track ?
-                mControl->GetTrackID(mAudioMeta->GetKind()) :
-                mControl->GetTrackID(mVideoMeta->GetKind()));
-
-  if (mTrackType == Audio_Track) {
-    default_sample_description_index = 1;
-    default_sample_duration = mAudioMeta->GetAudioFrameDuration();
-    default_sample_size = mAudioMeta->GetAudioFrameSize();
-    default_sample_flags = set_sample_flags(1);
-  } else if (mTrackType == Video_Track) {
-    default_sample_description_index = 1;
-    // Video meta data has assigned framerate, it implies that this video's
-    // frame rate should be fixed.
-    if (mVideoMeta->GetVideoFrameRate()) {
-      default_sample_duration =
-        mVideoMeta->GetVideoClockRate() / mVideoMeta->GetVideoFrameRate();
-    }
-    default_sample_size = 0;
-    default_sample_flags = set_sample_flags(0);
-  } else {
-    MOZ_ASSERT(0);
-    return NS_ERROR_FAILURE;
-  }
-
-  size += sizeof(track_ID) +
-          sizeof(default_sample_description_index) +
-          sizeof(default_sample_duration) +
-          sizeof(default_sample_size) +
-          sizeof(default_sample_flags);
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-TrackExtendsBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(track_ID);
-  mControl->Write(default_sample_description_index);
-  mControl->Write(default_sample_duration);
-  mControl->Write(default_sample_size);
-  mControl->Write(default_sample_flags);
-
-  return NS_OK;
-}
-
-TrackExtendsBox::TrackExtendsBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("trex"), 0, 0, aControl)
-  , track_ID(0)
-  , default_sample_description_index(0)
-  , default_sample_duration(0)
-  , default_sample_size(0)
-  , default_sample_flags(0)
-  , mTrackType(aType)
-{
-  MOZ_COUNT_CTOR(TrackExtendsBox);
-}
-
-TrackExtendsBox::~TrackExtendsBox()
-{
-  MOZ_COUNT_DTOR(TrackExtendsBox);
-}
-
-MovieExtendsBox::MovieExtendsBox(ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("mvex"), aControl)
-{
-  if (mAudioMeta) {
-    boxes.AppendElement(new TrackExtendsBox(Audio_Track, aControl));
-  }
-  if (mVideoMeta) {
-    boxes.AppendElement(new TrackExtendsBox(Video_Track, aControl));
-  }
-  MOZ_COUNT_CTOR(MovieExtendsBox);
-}
-
-MovieExtendsBox::~MovieExtendsBox()
-{
-  MOZ_COUNT_DTOR(MovieExtendsBox);
-}
-
-nsresult
-ChunkOffsetBox::Generate(uint32_t* aBoxSize)
-{
-  // We don't need time to sample table in fragmented mp4.
-  entry_count = 0;
-  size += sizeof(entry_count);
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-ChunkOffsetBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(entry_count);
-  return NS_OK;
-}
-
-ChunkOffsetBox::ChunkOffsetBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("stco"), 0, 0, aControl)
-  , entry_count(0)
-{
-  MOZ_COUNT_CTOR(ChunkOffsetBox);
-}
-
-ChunkOffsetBox::~ChunkOffsetBox()
-{
-  MOZ_COUNT_DTOR(ChunkOffsetBox);
-}
-
-nsresult
-SampleToChunkBox::Generate(uint32_t* aBoxSize)
-{
-  // We don't need time to sample table in fragmented mp4
-  entry_count = 0;
-  size += sizeof(entry_count);
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-SampleToChunkBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(entry_count);
-  return NS_OK;
-}
-
-SampleToChunkBox::SampleToChunkBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("stsc"), 0, 0, aControl)
-  , entry_count(0)
-{
-  MOZ_COUNT_CTOR(SampleToChunkBox);
-}
-
-SampleToChunkBox::~SampleToChunkBox()
-{
-  MOZ_COUNT_DTOR(SampleToChunkBox);
-}
-
-nsresult
-TimeToSampleBox::Generate(uint32_t* aBoxSize)
-{
-  // We don't need time to sample table in fragmented mp4.
-  entry_count = 0;
-  size += sizeof(entry_count);
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-TimeToSampleBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(entry_count);
-  return NS_OK;
-}
-
-TimeToSampleBox::TimeToSampleBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("stts"), 0, 0, aControl)
-  , entry_count(0)
-{
-  MOZ_COUNT_CTOR(TimeToSampleBox);
-}
-
-TimeToSampleBox::~TimeToSampleBox()
-{
-  MOZ_COUNT_DTOR(TimeToSampleBox);
-}
-
-nsresult
-SampleDescriptionBox::Generate(uint32_t* aBoxSize)
-{
-  entry_count = 1;
-  size += sizeof(entry_count);
-
-  nsresult rv;
-  uint32_t box_size;
-  rv = sample_entry_box->Generate(&box_size);
-  NS_ENSURE_SUCCESS(rv, rv);
-  size += box_size;
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-SampleDescriptionBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  nsresult rv;
-  mControl->Write(entry_count);
-  rv = sample_entry_box->Write();
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  return NS_OK;
-}
-
-SampleDescriptionBox::SampleDescriptionBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("stsd"), 0, 0, aControl)
-  , entry_count(0)
-{
-  mTrackType = aType;
-
-  switch (mTrackType) {
-  case Audio_Track:
-    {
-      CreateAudioSampleEntry(sample_entry_box);
-    }
-    break;
-  case Video_Track:
-    {
-      CreateVideoSampleEntry(sample_entry_box);
-    }
-    break;
-  }
-  MOZ_ASSERT(sample_entry_box);
-  MOZ_COUNT_CTOR(SampleDescriptionBox);
-}
-
-nsresult
-SampleDescriptionBox::CreateAudioSampleEntry(RefPtr<SampleEntryBox>& aSampleEntry)
-{
-  if (mAudioMeta->GetKind() == TrackMetadataBase::METADATA_AMR) {
-    aSampleEntry = new AMRSampleEntry(mControl);
-  } else if (mAudioMeta->GetKind() == TrackMetadataBase::METADATA_AAC) {
-    aSampleEntry = new MP4AudioSampleEntry(mControl);
-  } else if (mAudioMeta->GetKind() == TrackMetadataBase::METADATA_EVRC) {
-    aSampleEntry = new EVRCSampleEntry(mControl);
-  } else {
-    MOZ_ASSERT(0);
-  }
-  return NS_OK;
-}
-
-nsresult
-SampleDescriptionBox::CreateVideoSampleEntry(RefPtr<SampleEntryBox>& aSampleEntry)
-{
-  if (mVideoMeta->GetKind() == TrackMetadataBase::METADATA_AVC) {
-    aSampleEntry = new AVCSampleEntry(mControl);
-  } else {
-    MOZ_ASSERT(0);
-  }
-  return NS_OK;
-}
-
-SampleDescriptionBox::~SampleDescriptionBox()
-{
-  MOZ_COUNT_DTOR(SampleDescriptionBox);
-}
-
-nsresult
-SampleSizeBox::Generate(uint32_t* aBoxSize)
-{
-  size += sizeof(sample_size) +
-          sizeof(sample_count);
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-SampleSizeBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(sample_size);
-  mControl->Write(sample_count);
-  return NS_OK;
-}
-
-SampleSizeBox::SampleSizeBox(ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("stsz"), 0, 0, aControl)
-  , sample_size(0)
-  , sample_count(0)
-{
-  MOZ_COUNT_CTOR(SampleSizeBox);
-}
-
-SampleSizeBox::~SampleSizeBox()
-{
-  MOZ_COUNT_DTOR(SampleSizeBox);
-}
-
-SampleTableBox::SampleTableBox(uint32_t aType, ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("stbl"), aControl)
-{
-  boxes.AppendElement(new SampleDescriptionBox(aType, aControl));
-  boxes.AppendElement(new TimeToSampleBox(aType, aControl));
-  boxes.AppendElement(new SampleToChunkBox(aType, aControl));
-  boxes.AppendElement(new SampleSizeBox(aControl));
-  boxes.AppendElement(new ChunkOffsetBox(aType, aControl));
-  MOZ_COUNT_CTOR(SampleTableBox);
-}
-
-SampleTableBox::~SampleTableBox()
-{
-  MOZ_COUNT_DTOR(SampleTableBox);
-}
-
-nsresult
-DataEntryUrlBox::Generate(uint32_t* aBoxSize)
-{
-  // location is null here, do nothing
-  size += location.Length();
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-DataEntryUrlBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  return NS_OK;
-}
-
-DataEntryUrlBox::DataEntryUrlBox()
-  : FullBox(NS_LITERAL_CSTRING("url "), 0, 0, (ISOControl*) nullptr)
-{
-  MOZ_COUNT_CTOR(DataEntryUrlBox);
-}
-
-DataEntryUrlBox::DataEntryUrlBox(ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("url "), 0, flags_media_at_the_same_file, aControl)
-{
-  MOZ_COUNT_CTOR(DataEntryUrlBox);
-}
-
-DataEntryUrlBox::DataEntryUrlBox(const DataEntryUrlBox& aBox)
-  : FullBox(aBox.boxType, aBox.version, aBox.flags.to_ulong(), aBox.mControl)
-{
-  location = aBox.location;
-  MOZ_COUNT_CTOR(DataEntryUrlBox);
-}
-
-DataEntryUrlBox::~DataEntryUrlBox()
-{
-  MOZ_COUNT_DTOR(DataEntryUrlBox);
-}
-
-nsresult DataReferenceBox::Generate(uint32_t* aBoxSize)
-{
-  entry_count = 1;  // only allow on entry here
-  size += sizeof(uint32_t);
-
-  for (uint32_t i = 0; i < entry_count; i++) {
-    uint32_t box_size = 0;
-    DataEntryUrlBox* url = new DataEntryUrlBox(mControl);
-    url->Generate(&box_size);
-    size += box_size;
-    urls.AppendElement(url);
-  }
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult DataReferenceBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(entry_count);
-
-  for (uint32_t i = 0; i < entry_count; i++) {
-    urls[i]->Write();
-  }
-
-  return NS_OK;
-}
-
-DataReferenceBox::DataReferenceBox(ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("dref"), 0, 0, aControl)
-  , entry_count(0)
-{
-  MOZ_COUNT_CTOR(DataReferenceBox);
-}
-
-DataReferenceBox::~DataReferenceBox()
-{
-  MOZ_COUNT_DTOR(DataReferenceBox);
-}
-
-DataInformationBox::DataInformationBox(ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("dinf"), aControl)
-{
-  boxes.AppendElement(new DataReferenceBox(aControl));
-  MOZ_COUNT_CTOR(DataInformationBox);
-}
-
-DataInformationBox::~DataInformationBox()
-{
-  MOZ_COUNT_DTOR(DataInformationBox);
-}
-
-nsresult
-VideoMediaHeaderBox::Generate(uint32_t* aBoxSize)
-{
-  size += sizeof(graphicsmode) +
-          sizeof(opcolor);
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-VideoMediaHeaderBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(graphicsmode);
-  mControl->WriteArray(opcolor, 3);
-  return NS_OK;
-}
-
-VideoMediaHeaderBox::VideoMediaHeaderBox(ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("vmhd"), 0, 1, aControl)
-  , graphicsmode(0)
-{
-  memset(opcolor, 0 , sizeof(opcolor));
-  MOZ_COUNT_CTOR(VideoMediaHeaderBox);
-}
-
-VideoMediaHeaderBox::~VideoMediaHeaderBox()
-{
-  MOZ_COUNT_DTOR(VideoMediaHeaderBox);
-}
-
-nsresult
-SoundMediaHeaderBox::Generate(uint32_t* aBoxSize)
-{
-  balance = 0;
-  reserved = 0;
-  size += sizeof(balance) +
-          sizeof(reserved);
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-SoundMediaHeaderBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(balance);
-  mControl->Write(reserved);
-
-  return NS_OK;
-}
-
-SoundMediaHeaderBox::SoundMediaHeaderBox(ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("smhd"), 0, 0, aControl)
-{
-  MOZ_COUNT_CTOR(SoundMediaHeaderBox);
-}
-
-SoundMediaHeaderBox::~SoundMediaHeaderBox()
-{
-  MOZ_COUNT_DTOR(SoundMediaHeaderBox);
-}
-
-MediaInformationBox::MediaInformationBox(uint32_t aType, ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("minf"), aControl)
-{
-  mTrackType = aType;
-
-  if (mTrackType == Audio_Track) {
-    boxes.AppendElement(new SoundMediaHeaderBox(aControl));
-  } else if (mTrackType == Video_Track) {
-    boxes.AppendElement(new VideoMediaHeaderBox(aControl));
-  } else {
-    MOZ_ASSERT(0);
-  }
-
-  boxes.AppendElement(new DataInformationBox(aControl));
-  boxes.AppendElement(new SampleTableBox(aType, aControl));
-  MOZ_COUNT_CTOR(MediaInformationBox);
-}
-
-MediaInformationBox::~MediaInformationBox()
-{
-  MOZ_COUNT_DTOR(MediaInformationBox);
-}
-
-nsresult
-HandlerBox::Generate(uint32_t* aBoxSize)
-{
-  pre_defined = 0;
-  if (mTrackType == Audio_Track) {
-    handler_type = FOURCC('s', 'o', 'u', 'n');
-  } else if (mTrackType == Video_Track) {
-    handler_type = FOURCC('v', 'i', 'd', 'e');
-  }
-
-  size += sizeof(pre_defined) +
-          sizeof(handler_type) +
-          sizeof(reserved);
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-HandlerBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(pre_defined);
-  mControl->Write(handler_type);
-  mControl->WriteArray(reserved, 3);
-
-  return NS_OK;
-}
-
-HandlerBox::HandlerBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("hdlr"), 0, 0, aControl)
-  , pre_defined(0)
-  , handler_type(0)
-{
-  mTrackType = aType;
-  memset(reserved, 0 , sizeof(reserved));
-  MOZ_COUNT_CTOR(HandlerBox);
-}
-
-HandlerBox::~HandlerBox()
-{
-  MOZ_COUNT_DTOR(HandlerBox);
-}
-
-MediaHeaderBox::MediaHeaderBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("mdhd"), 0, 0, aControl)
-  , creation_time(0)
-  , modification_time(0)
-  , timescale(0)
-  , duration(0)
-  , pad(0)
-  , lang1(0)
-  , lang2(0)
-  , lang3(0)
-  , pre_defined(0)
-{
-  mTrackType = aType;
-  MOZ_COUNT_CTOR(MediaHeaderBox);
-}
-
-MediaHeaderBox::~MediaHeaderBox()
-{
-  MOZ_COUNT_DTOR(MediaHeaderBox);
-}
-
-uint32_t
-MediaHeaderBox::GetTimeScale()
-{
-  if (mTrackType == Audio_Track) {
-    return mAudioMeta->GetAudioSampleRate();
-  }
-
-  return mVideoMeta->GetVideoClockRate();
-}
-
-nsresult
-MediaHeaderBox::Generate(uint32_t* aBoxSize)
-{
-  creation_time = mControl->GetTime();
-  modification_time = mControl->GetTime();
-  timescale = GetTimeScale();
-  duration = 0; // fragmented mp4
-
-  pad = 0;
-  lang1 = 'u' - 0x60; // "und" underdetermined language
-  lang2 = 'n' - 0x60;
-  lang3 = 'd' - 0x60;
-  size += (pad.size() + lang1.size() + lang2.size() + lang3.size()) / CHAR_BIT;
-
-  pre_defined = 0;
-  size += sizeof(creation_time) +
-          sizeof(modification_time) +
-          sizeof(timescale) +
-          sizeof(duration) +
-          sizeof(pre_defined);
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-MediaHeaderBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(creation_time);
-  mControl->Write(modification_time);
-  mControl->Write(timescale);
-  mControl->Write(duration);
-  mControl->WriteBits(pad.to_ulong(), pad.size());
-  mControl->WriteBits(lang1.to_ulong(), lang1.size());
-  mControl->WriteBits(lang2.to_ulong(), lang2.size());
-  mControl->WriteBits(lang3.to_ulong(), lang3.size());
-  mControl->Write(pre_defined);
-
-  return NS_OK;
-}
-
-MovieBox::MovieBox(ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("moov"), aControl)
-{
-  boxes.AppendElement(new MovieHeaderBox(aControl));
-  if (aControl->HasAudioTrack()) {
-    boxes.AppendElement(new TrackBox(Audio_Track, aControl));
-  }
-  if (aControl->HasVideoTrack()) {
-    boxes.AppendElement(new TrackBox(Video_Track, aControl));
-  }
-  boxes.AppendElement(new MovieExtendsBox(aControl));
-  MOZ_COUNT_CTOR(MovieBox);
-}
-
-MovieBox::~MovieBox()
-{
-  MOZ_COUNT_DTOR(MovieBox);
-}
-
-nsresult
-MovieHeaderBox::Generate(uint32_t* aBoxSize)
-{
-  creation_time = mControl->GetTime();
-  modification_time = mControl->GetTime();
-  timescale = GetTimeScale();
-  duration = 0;     // The duration is always 0 in fragmented mp4.
-  next_track_ID = mControl->GetNextTrackID();
-
-  size += sizeof(next_track_ID) +
-          sizeof(creation_time) +
-          sizeof(modification_time) +
-          sizeof(timescale) +
-          sizeof(duration) +
-          sizeof(rate) +
-          sizeof(volume) +
-          sizeof(reserved16) +
-          sizeof(reserved32) +
-          sizeof(matrix) +
-          sizeof(pre_defined);
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-MovieHeaderBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(creation_time);
-  mControl->Write(modification_time);
-  mControl->Write(timescale);
-  mControl->Write(duration);
-  mControl->Write(rate);
-  mControl->Write(volume);
-  mControl->Write(reserved16);
-  mControl->WriteArray(reserved32, 2);
-  mControl->WriteArray(matrix, 9);
-  mControl->WriteArray(pre_defined, 6);
-  mControl->Write(next_track_ID);
-
-  return NS_OK;
-}
-
-uint32_t
-MovieHeaderBox::GetTimeScale()
-{
-  // Only audio track in container.
-  if (mAudioMeta && !mVideoMeta) {
-    return mAudioMeta->GetAudioSampleRate();
-  }
-
-  // return video rate
-  return mVideoMeta->GetVideoClockRate();
-}
-
-MovieHeaderBox::~MovieHeaderBox()
-{
-  MOZ_COUNT_DTOR(MovieHeaderBox);
-}
-
-MovieHeaderBox::MovieHeaderBox(ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("mvhd"), 0, 0, aControl)
-  , creation_time(0)
-  , modification_time(0)
-  , timescale(90000)
-  , duration(0)
-  , rate(0x00010000)
-  , volume(0x0100)
-  , reserved16(0)
-  , next_track_ID(1)
-{
-  memcpy(matrix, iso_matrix, sizeof(matrix));
-  memset(reserved32, 0, sizeof(reserved32));
-  memset(pre_defined, 0, sizeof(pre_defined));
-  MOZ_COUNT_CTOR(MovieHeaderBox);
-}
-
-TrackHeaderBox::TrackHeaderBox(uint32_t aType, ISOControl* aControl)
-  : FullBox(NS_LITERAL_CSTRING("tkhd"), 0,
-            flags_track_enabled | flags_track_in_movie | flags_track_in_preview,
-            aControl)
-  , creation_time(0)
-  , modification_time(0)
-  , track_ID(0)
-  , reserved(0)
-  , duration(0)
-  , layer(0)
-  , alternate_group(0)
-  , volume(0)
-  , reserved3(0)
-  , width(0)
-  , height(0)
-{
-  mTrackType = aType;
-  memcpy(matrix, iso_matrix, sizeof(matrix));
-  memset(reserved2, 0, sizeof(reserved2));
-  MOZ_COUNT_CTOR(TrackHeaderBox);
-}
-
-TrackHeaderBox::~TrackHeaderBox()
-{
-  MOZ_COUNT_DTOR(TrackHeaderBox);
-}
-
-nsresult
-TrackHeaderBox::Generate(uint32_t* aBoxSize)
-{
-  creation_time = mControl->GetTime();
-  modification_time = mControl->GetTime();
-  track_ID = (mTrackType == Audio_Track ?
-                mControl->GetTrackID(mAudioMeta->GetKind()) :
-                mControl->GetTrackID(mVideoMeta->GetKind()));
-  // fragmented mp4
-  duration = 0;
-
-  // volume, audiotrack is always 0x0100 in 14496-12 8.3.2.2
-  volume = (mTrackType == Audio_Track ? 0x0100 : 0);
-
-  if (mTrackType == Video_Track) {
-    width = mVideoMeta->GetVideoDisplayWidth() << 16;
-    height = mVideoMeta->GetVideoDisplayHeight() << 16;
-    // Check display size, using the pixel size if any of them is invalid.
-    if (!width || !height) {
-      width = mVideoMeta->GetVideoWidth() << 16;
-      height = mVideoMeta->GetVideoHeight() << 16;
-    }
-  }
-
-  size += sizeof(creation_time) +
-          sizeof(modification_time) +
-          sizeof(track_ID) +
-          sizeof(reserved) +
-          sizeof(duration) +
-          sizeof(reserved2) +
-          sizeof(layer) +
-          sizeof(alternate_group) +
-          sizeof(volume) +
-          sizeof(reserved3) +
-          sizeof(matrix) +
-          sizeof(width) +
-          sizeof(height);
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-TrackHeaderBox::Write()
-{
-  WRITE_FULLBOX(mControl, size)
-  mControl->Write(creation_time);
-  mControl->Write(modification_time);
-  mControl->Write(track_ID);
-  mControl->Write(reserved);
-  mControl->Write(duration);
-  mControl->WriteArray(reserved2, 2);
-  mControl->Write(layer);
-  mControl->Write(alternate_group);
-  mControl->Write(volume);
-  mControl->Write(reserved3);
-  mControl->WriteArray(matrix, 9);
-  mControl->Write(width);
-  mControl->Write(height);
-
-  return NS_OK;
-}
-
-nsresult
-FileTypeBox::Generate(uint32_t* aBoxSize)
-{
-  minor_version = 0;
-
-  if (mControl->GetMuxingType() == ISOMediaWriter::TYPE_FRAG_MP4) {
-    if (!mControl->HasVideoTrack() && mControl->HasAudioTrack()) {
-      major_brand = "M4A ";
-    } else {
-      major_brand = "MP42";
-    }
-    compatible_brands.AppendElement("mp42");
-    compatible_brands.AppendElement("isom");
-  } else if (mControl->GetMuxingType() == ISOMediaWriter::TYPE_FRAG_3GP) {
-    major_brand = "3gp9";
-    // According to 3GPP TS 26.244 V12.2.0, section 5.3.4, it's recommended to
-    // list all compatible brands here. 3GP spec supports fragment from '3gp6'.
-    compatible_brands.AppendElement("3gp9");
-    compatible_brands.AppendElement("3gp8");
-    compatible_brands.AppendElement("3gp7");
-    compatible_brands.AppendElement("3gp6");
-    compatible_brands.AppendElement("isom");
-  } else if (mControl->GetMuxingType() == ISOMediaWriter::TYPE_FRAG_3G2) {
-    major_brand = "3g2a";
-    // 3GPP2 Release 0 and A and 3GPP Release 6 allow movie fragmentation
-    compatible_brands.AppendElement("3gp9");
-    compatible_brands.AppendElement("3gp8");
-    compatible_brands.AppendElement("3gp7");
-    compatible_brands.AppendElement("3gp6");
-    compatible_brands.AppendElement("isom");
-    compatible_brands.AppendElement("3g2c");
-    compatible_brands.AppendElement("3g2b");
-    compatible_brands.AppendElement("3g2a");
-  } else {
-    MOZ_ASSERT(0);
-  }
-
-  size += major_brand.Length() +
-          sizeof(minor_version) +
-          compatible_brands.Length() * 4;
-
-  *aBoxSize = size;
-
-  return NS_OK;
-}
-
-nsresult
-FileTypeBox::Write()
-{
-  BoxSizeChecker checker(mControl, size);
-  Box::Write();
-  mControl->WriteFourCC(major_brand.get());
-  mControl->Write(minor_version);
-  uint32_t len = compatible_brands.Length();
-  for (uint32_t i = 0; i < len; i++) {
-    mControl->WriteFourCC(compatible_brands[i].get());
-  }
-
-  return NS_OK;
-}
-
-FileTypeBox::FileTypeBox(ISOControl* aControl)
-  : Box(NS_LITERAL_CSTRING("ftyp"), aControl)
-  , minor_version(0)
-{
-  MOZ_COUNT_CTOR(FileTypeBox);
-}
-
-FileTypeBox::~FileTypeBox()
-{
-  MOZ_COUNT_DTOR(FileTypeBox);
-}
-
-MediaBox::MediaBox(uint32_t aType, ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("mdia"), aControl)
-{
-  mTrackType = aType;
-  boxes.AppendElement(new MediaHeaderBox(aType, aControl));
-  boxes.AppendElement(new HandlerBox(aType, aControl));
-  boxes.AppendElement(new MediaInformationBox(aType, aControl));
-  MOZ_COUNT_CTOR(MediaBox);
-}
-
-MediaBox::~MediaBox()
-{
-  MOZ_COUNT_DTOR(MediaBox);
-}
-
-nsresult
-DefaultContainerImpl::Generate(uint32_t* aBoxSize)
-{
-  nsresult rv;
-  uint32_t box_size;
-  uint32_t len = boxes.Length();
-  for (uint32_t i = 0; i < len; i++) {
-    rv = boxes.ElementAt(i)->Generate(&box_size);
-    NS_ENSURE_SUCCESS(rv, rv);
-    size += box_size;
-  }
-  *aBoxSize = size;
-  return NS_OK;
-}
-
-nsresult
-DefaultContainerImpl::Find(const nsACString& aType,
-                           nsTArray<RefPtr<MuxerOperation>>& aOperations)
-{
-  nsresult rv = Box::Find(aType, aOperations);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  uint32_t len = boxes.Length();
-  for (uint32_t i = 0; i < len; i++) {
-    rv = boxes.ElementAt(i)->Find(aType, aOperations);
-    NS_ENSURE_SUCCESS(rv, rv);
-  }
-  return NS_OK;
-}
-
-nsresult
-DefaultContainerImpl::Write()
-{
-  BoxSizeChecker checker(mControl, size);
-  Box::Write();
-
-  nsresult rv;
-  uint32_t len = boxes.Length();
-  for (uint32_t i = 0; i < len; i++) {
-    rv = boxes.ElementAt(i)->Write();
-    NS_ENSURE_SUCCESS(rv, rv);
-  }
-
-  return NS_OK;
-}
-
-DefaultContainerImpl::DefaultContainerImpl(const nsACString& aType,
-                                           ISOControl* aControl)
-  : Box(aType, aControl)
-{
-}
-
-nsresult
-Box::Write()
-{
-  mControl->Write(size);
-  mControl->WriteFourCC(boxType.get());
-  return NS_OK;
-}
-
-nsresult
-Box::Find(const nsACString& aType, nsTArray<RefPtr<MuxerOperation>>& aOperations)
-{
-  if (boxType == aType) {
-    aOperations.AppendElement(this);
-  }
-  return NS_OK;
-}
-
-Box::Box(const nsACString& aType, ISOControl* aControl)
-  : size(8), mControl(aControl)
-{
-  MOZ_ASSERT(aType.Length() == 4);
-  boxType = aType;
-  aControl->GetAudioMetadata(mAudioMeta);
-  aControl->GetVideoMetadata(mVideoMeta);
-}
-
-FullBox::FullBox(const nsACString& aType, uint8_t aVersion, uint32_t aFlags,
-                 ISOControl* aControl)
-  : Box(aType, aControl)
-{
-  std::bitset<24> tmp_flags(aFlags);
-  version = aVersion;
-  flags = tmp_flags;
-  size += sizeof(version) + flags.size() / CHAR_BIT;
-}
-
-nsresult
-FullBox::Write()
-{
-  Box::Write();
-  mControl->Write(version);
-  mControl->WriteBits(flags.to_ulong(), flags.size());
-  return NS_OK;
-}
-
-TrackBox::TrackBox(uint32_t aTrackType, ISOControl* aControl)
-  : DefaultContainerImpl(NS_LITERAL_CSTRING("trak"), aControl)
-{
-  boxes.AppendElement(new TrackHeaderBox(aTrackType, aControl));
-  boxes.AppendElement(new MediaBox(aTrackType, aControl));
-  MOZ_COUNT_CTOR(TrackBox);
-}
-
-TrackBox::~TrackBox()
-{
-  MOZ_COUNT_DTOR(TrackBox);
-}
-
-SampleEntryBox::SampleEntryBox(const nsACString& aFormat, ISOControl* aControl)
-  : Box(aFormat, aControl)
-  , data_reference_index(0)
-{
-  data_reference_index = 1; // There is only one data reference in each track.
-  size += sizeof(reserved) +
-          sizeof(data_reference_index);
-  memset(reserved, 0, sizeof(reserved));
-}
-
-nsresult
-SampleEntryBox::Write()
-{
-  Box::Write();
-  mControl->Write(reserved, sizeof(reserved));
-  mControl->Write(data_reference_index);
-  return NS_OK;
-}
-
-nsresult
-AudioSampleEntry::Write()
-{
-  SampleEntryBox::Write();
-  mControl->Write(sound_version);
-  mControl->Write(reserved2, sizeof(reserved2));
-  mControl->Write(channels);
-  mControl->Write(sample_size);
-  mControl->Write(compressionId);
-  mControl->Write(packet_size);
-  mControl->Write(timeScale);
-  return NS_OK;
-}
-
-AudioSampleEntry::AudioSampleEntry(const nsACString& aFormat, ISOControl* aControl)
-  : SampleEntryBox(aFormat, aControl)
-  , sound_version(0)
-  , channels(2)
-  , sample_size(16)
-  , compressionId(0)
-  , packet_size(0)
-  , timeScale(0)
-{
-  memset(reserved2, 0 , sizeof(reserved2));
-  channels = mAudioMeta->GetAudioChannels();
-  timeScale = mAudioMeta->GetAudioSampleRate() << 16;
-
-  size += sizeof(sound_version) +
-          sizeof(reserved2) +
-          sizeof(sample_size) +
-          sizeof(channels) +
-          sizeof(packet_size) +
-          sizeof(compressionId) +
-          sizeof(timeScale);
-
-  MOZ_COUNT_CTOR(AudioSampleEntry);
-}
-
-AudioSampleEntry::~AudioSampleEntry()
-{
-  MOZ_COUNT_DTOR(AudioSampleEntry);
-}
-
-nsresult
-VisualSampleEntry::Write()
-{
-  SampleEntryBox::Write();
-
-  mControl->Write(reserved, sizeof(reserved));
-  mControl->Write(width);
-  mControl->Write(height);
-  mControl->Write(horizresolution);
-  mControl->Write(vertresolution);
-  mControl->Write(reserved2);
-  mControl->Write(frame_count);
-  mControl->Write(compressorName, sizeof(compressorName));
-  mControl->Write(depth);
-  mControl->Write(pre_defined);
-
-  return NS_OK;
-}
-
-VisualSampleEntry::VisualSampleEntry(const nsACString& aFormat, ISOControl* aControl)
-  : SampleEntryBox(aFormat, aControl)
-  , width(0)
-  , height(0)
-  , horizresolution(resolution_72_dpi)
-  , vertresolution(resolution_72_dpi)
-  , reserved2(0)
-  , frame_count(1)
-  , depth(video_depth)
-  , pre_defined(-1)
-{
-  memset(reserved, 0 , sizeof(reserved));
-  memset(compressorName, 0 , sizeof(compressorName));
-
-  // both fields occupy 16 bits defined in 14496-2 6.2.3.
-  width = mVideoMeta->GetVideoWidth();
-  height = mVideoMeta->GetVideoHeight();
-
-  size += sizeof(reserved) +
-          sizeof(width) +
-          sizeof(height) +
-          sizeof(horizresolution) +
-          sizeof(vertresolution) +
-          sizeof(reserved2) +
-          sizeof(frame_count) +
-          sizeof(compressorName) +
-          sizeof(depth) +
-          sizeof(pre_defined);
-
-  MOZ_COUNT_CTOR(VisualSampleEntry);
-}
-
-VisualSampleEntry::~VisualSampleEntry()
-{
-  MOZ_COUNT_DTOR(VisualSampleEntry);
-}
-
-}