gecko-dev/content/media/BufferDecoder.cpp

193 строки
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "BufferDecoder.h"
#include "nsISupports.h"
#include "MediaResource.h"
namespace mozilla {
#ifdef PR_LOGGING
extern PRLogModuleInfo* gMediaDecoderLog;
#endif
NS_IMPL_ISUPPORTS0(BufferDecoder)
BufferDecoder::BufferDecoder(MediaResource* aResource)
: mReentrantMonitor("BufferDecoder")
, mResource(aResource)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_COUNT_CTOR(BufferDecoder);
#ifdef PR_LOGGING
if (!gMediaDecoderLog) {
gMediaDecoderLog = PR_NewLogModule("MediaDecoder");
}
#endif
}
BufferDecoder::~BufferDecoder()
{
// The dtor may run on any thread, we cannot be sure.
MOZ_COUNT_DTOR(BufferDecoder);
}
void
BufferDecoder::BeginDecoding(nsIThread* aDecodeThread)
{
MOZ_ASSERT(!mDecodeThread && aDecodeThread);
mDecodeThread = aDecodeThread;
}
ReentrantMonitor&
BufferDecoder::GetReentrantMonitor()
{
return mReentrantMonitor;
}
bool
BufferDecoder::IsShutdown() const
{
// BufferDecoder cannot be shut down.
return false;
}
bool
BufferDecoder::OnStateMachineThread() const
{
// BufferDecoder doesn't have the concept of a state machine.
return true;
}
bool
BufferDecoder::OnDecodeThread() const
{
MOZ_ASSERT(mDecodeThread, "Forgot to call BeginDecoding?");
return IsCurrentThread(mDecodeThread);
}
MediaResource*
BufferDecoder::GetResource() const
{
return mResource;
}
void
BufferDecoder::NotifyBytesConsumed(int64_t aBytes, int64_t aOffset)
{
// ignore
}
void
BufferDecoder::NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded)
{
// ignore
}
int64_t
BufferDecoder::GetEndMediaTime() const
{
// unknown
return -1;
}
int64_t
BufferDecoder::GetMediaDuration()
{
// unknown
return -1;
}
void
BufferDecoder::SetMediaDuration(int64_t aDuration)
{
// ignore
}
void
BufferDecoder::UpdateEstimatedMediaDuration(int64_t aDuration)
{
// ignore
}
void
BufferDecoder::SetMediaSeekable(bool aMediaSeekable)
{
// ignore
}
void
BufferDecoder::SetTransportSeekable(bool aTransportSeekable)
{
// ignore
}
VideoFrameContainer*
BufferDecoder::GetVideoFrameContainer()
{
// no video frame
return nullptr;
}
layers::ImageContainer*
BufferDecoder::GetImageContainer()
{
// no image container
return nullptr;
}
bool
BufferDecoder::IsTransportSeekable()
{
return false;
}
bool
BufferDecoder::IsMediaSeekable()
{
return false;
}
void
BufferDecoder::MetadataLoaded(int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags)
{
// ignore
}
void
BufferDecoder::QueueMetadata(int64_t aTime, int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags)
{
// ignore
}
void
BufferDecoder::SetMediaEndTime(int64_t aTime)
{
// ignore
}
void
BufferDecoder::UpdatePlaybackPosition(int64_t aTime)
{
// ignore
}
void
BufferDecoder::OnReadMetadataCompleted()
{
// ignore
}
MediaDecoderOwner*
BufferDecoder::GetOwner()
{
// unknown
return nullptr;
}
} // namespace mozilla