gecko-dev/dom/media/gmp/GMPAudioDecoderChild.cpp

173 строки
3.8 KiB
C++

/* -*- 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 "GMPAudioDecoderChild.h"
#include "GMPChild.h"
#include "GMPAudioHost.h"
#include "mozilla/unused.h"
#include <stdio.h>
namespace mozilla {
namespace gmp {
GMPAudioDecoderChild::GMPAudioDecoderChild(GMPChild* aPlugin)
: mPlugin(aPlugin)
, mAudioDecoder(nullptr)
{
MOZ_ASSERT(mPlugin);
}
GMPAudioDecoderChild::~GMPAudioDecoderChild()
{
}
void
GMPAudioDecoderChild::Init(GMPAudioDecoder* aDecoder)
{
MOZ_ASSERT(aDecoder, "Cannot initialize Audio decoder child without a Audio decoder!");
mAudioDecoder = aDecoder;
}
GMPAudioHostImpl&
GMPAudioDecoderChild::Host()
{
return mAudioHost;
}
void
GMPAudioDecoderChild::Decoded(GMPAudioSamples* aDecodedSamples)
{
MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
if (!aDecodedSamples) {
MOZ_CRASH("Not given decoded audio samples!");
}
GMPAudioDecodedSampleData samples;
samples.mData().AppendElements((int16_t*)aDecodedSamples->Buffer(),
aDecodedSamples->Size() / sizeof(int16_t));
samples.mTimeStamp() = aDecodedSamples->TimeStamp();
samples.mChannelCount() = aDecodedSamples->Channels();
samples.mSamplesPerSecond() = aDecodedSamples->Rate();
unused << SendDecoded(samples);
aDecodedSamples->Destroy();
}
void
GMPAudioDecoderChild::InputDataExhausted()
{
MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
unused << SendInputDataExhausted();
}
void
GMPAudioDecoderChild::DrainComplete()
{
MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
unused << SendDrainComplete();
}
void
GMPAudioDecoderChild::ResetComplete()
{
MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
unused << SendResetComplete();
}
void
GMPAudioDecoderChild::Error(GMPErr aError)
{
MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
unused << SendError(aError);
}
bool
GMPAudioDecoderChild::RecvInitDecode(const GMPAudioCodecData& a)
{
MOZ_ASSERT(mAudioDecoder);
if (!mAudioDecoder) {
return false;
}
GMPAudioCodec codec;
codec.mCodecType = a.mCodecType();
codec.mChannelCount = a.mChannelCount();
codec.mBitsPerChannel = a.mBitsPerChannel();
codec.mSamplesPerSecond = a.mSamplesPerSecond();
codec.mExtraData = a.mExtraData().Elements();
codec.mExtraDataLen = a.mExtraData().Length();
// Ignore any return code. It is OK for this to fail without killing the process.
mAudioDecoder->InitDecode(codec, this);
return true;
}
bool
GMPAudioDecoderChild::RecvDecode(const GMPAudioEncodedSampleData& aEncodedSamples)
{
if (!mAudioDecoder) {
return false;
}
GMPAudioSamples* samples = new GMPAudioSamplesImpl(aEncodedSamples);
// Ignore any return code. It is OK for this to fail without killing the process.
mAudioDecoder->Decode(samples);
return true;
}
bool
GMPAudioDecoderChild::RecvReset()
{
if (!mAudioDecoder) {
return false;
}
// Ignore any return code. It is OK for this to fail without killing the process.
mAudioDecoder->Reset();
return true;
}
bool
GMPAudioDecoderChild::RecvDrain()
{
if (!mAudioDecoder) {
return false;
}
// Ignore any return code. It is OK for this to fail without killing the process.
mAudioDecoder->Drain();
return true;
}
bool
GMPAudioDecoderChild::RecvDecodingComplete()
{
if (mAudioDecoder) {
// Ignore any return code. It is OK for this to fail without killing the process.
mAudioDecoder->DecodingComplete();
mAudioDecoder = nullptr;
}
mPlugin = nullptr;
unused << Send__delete__(this);
return true;
}
} // namespace gmp
} // namespace mozilla