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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
#if !defined(GMPAudioDecoder_h_)
#define GMPAudioDecoder_h_
#include "GMPAudioDecoderProxy.h"
#include "MediaDataDecoderProxy.h"
#include "PlatformDecoderModule.h"
#include "mozIGeckoMediaPluginService.h"
#include "nsAutoPtr.h"
namespace mozilla {
class AudioCallbackAdapter : public GMPAudioDecoderCallbackProxy {
public:
explicit AudioCallbackAdapter(MediaDataDecoderCallbackProxy* aCallback)
: mCallback(aCallback)
, mLastStreamOffset(0)
, mAudioFrameSum(0)
, mAudioFrameOffset(0)
, mMustRecaptureAudioPosition(true)
{}
MediaDataDecoderCallbackProxy* Callback() const { return mCallback; }
// GMPAudioDecoderCallbackProxy
void Decoded(const nsTArray<int16_t>& aPCM, uint64_t aTimeStamp, uint32_t aChannels, uint32_t aRate) override;
void InputDataExhausted() override;
void DrainComplete() override;
void ResetComplete() override;
void Error(GMPErr aErr) override;
void Terminated() override;
void SetLastStreamOffset(int64_t aStreamOffset) {
mLastStreamOffset = aStreamOffset;
}
private:
MediaDataDecoderCallbackProxy* mCallback;
int64_t mLastStreamOffset;
int64_t mAudioFrameSum;
int64_t mAudioFrameOffset;
bool mMustRecaptureAudioPosition;
};
struct GMPAudioDecoderParams {
explicit GMPAudioDecoderParams(const CreateDecoderParams& aParams);
GMPAudioDecoderParams& WithCallback(MediaDataDecoderProxy* aWrapper);
GMPAudioDecoderParams& WithAdapter(AudioCallbackAdapter* aAdapter);
const AudioInfo& mConfig;
TaskQueue* mTaskQueue;
MediaDataDecoderCallbackProxy* mCallback;
AudioCallbackAdapter* mAdapter;
RefPtr<GMPCrashHelper> mCrashHelper;
};
class GMPAudioDecoder : public MediaDataDecoder {
public:
explicit GMPAudioDecoder(const GMPAudioDecoderParams& aParams);
RefPtr<InitPromise> Init() override;
void Input(MediaRawData* aSample) override;
void Flush() override;
void Drain() override;
void Shutdown() override;
const char* GetDescriptionName() const override
{
return "GMP audio decoder";
}
protected:
virtual void InitTags(nsTArray<nsCString>& aTags);
virtual nsCString GetNodeId();
private:
class GMPInitDoneCallback : public GetGMPAudioDecoderCallback
{
public:
explicit GMPInitDoneCallback(GMPAudioDecoder* aDecoder)
: mDecoder(aDecoder)
{
}
void Done(GMPAudioDecoderProxy* aGMP) override
{
mDecoder->GMPInitDone(aGMP);
}
private:
RefPtr<GMPAudioDecoder> mDecoder;
};
void GMPInitDone(GMPAudioDecoderProxy* aGMP);
const AudioInfo mConfig;
MediaDataDecoderCallbackProxy* mCallback;
nsCOMPtr<mozIGeckoMediaPluginService> mMPS;
GMPAudioDecoderProxy* mGMP;
nsAutoPtr<AudioCallbackAdapter> mAdapter;
MozPromiseHolder<InitPromise> mInitPromise;
RefPtr<GMPCrashHelper> mCrashHelper;
};
} // namespace mozilla
#endif // GMPAudioDecoder_h_
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