Dactyloidae/dom/media/platforms/android/MediaCodecDataDecoder.h

126 lines
3.6 KiB
C++

/* 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/. */
#ifndef MediaCodecDataDecoder_h_
#define MediaCodecDataDecoder_h_
#include "AndroidDecoderModule.h"
#include "MediaCodec.h"
#include "SurfaceTexture.h"
#include "TimeUnits.h"
#include "mozilla/Monitor.h"
#include "mozilla/Maybe.h"
#include <deque>
namespace mozilla {
typedef std::deque<RefPtr<MediaRawData>> SampleQueue;
class MediaCodecDataDecoder : public MediaDataDecoder {
public:
static MediaDataDecoder* CreateAudioDecoder(const AudioInfo& aConfig,
java::sdk::MediaFormat::Param aFormat,
MediaDataDecoderCallback* aCallback);
static MediaDataDecoder* CreateVideoDecoder(const VideoInfo& aConfig,
java::sdk::MediaFormat::Param aFormat,
MediaDataDecoderCallback* aCallback,
layers::ImageContainer* aImageContainer);
virtual ~MediaCodecDataDecoder();
RefPtr<MediaDataDecoder::InitPromise> Init() override;
void Flush() override;
void Drain() override;
void Shutdown() override;
void Input(MediaRawData* aSample) override;
const char* GetDescriptionName() const override
{
return "Android MediaCodec decoder";
}
protected:
enum class ModuleState : uint8_t {
kDecoding = 0,
kFlushing,
kDrainQueue,
kDrainDecoder,
kDrainWaitEOS,
kStopping,
kShutdown
};
friend class AndroidDecoderModule;
MediaCodecDataDecoder(MediaData::Type aType,
const nsACString& aMimeType,
java::sdk::MediaFormat::Param aFormat,
MediaDataDecoderCallback* aCallback);
static const char* ModuleStateStr(ModuleState aState);
virtual nsresult InitDecoder(java::sdk::Surface::Param aSurface);
virtual nsresult Output(java::sdk::BufferInfo::Param aInfo, void* aBuffer,
java::sdk::MediaFormat::Param aFormat, const media::TimeUnit& aDuration)
{
return NS_OK;
}
virtual nsresult PostOutput(java::sdk::BufferInfo::Param aInfo,
java::sdk::MediaFormat::Param aFormat, const media::TimeUnit& aDuration)
{
return NS_OK;
}
virtual void Cleanup() {};
nsresult ResetInputBuffers();
nsresult ResetOutputBuffers();
nsresult GetInputBuffer(JNIEnv* env, int index, jni::Object::LocalRef* buffer);
bool WaitForInput();
already_AddRefed<MediaRawData> PeekNextSample();
nsresult QueueSample(const MediaRawData* aSample);
nsresult QueueEOS();
void HandleEOS(int32_t aOutputStatus);
Maybe<media::TimeUnit> GetOutputDuration();
nsresult ProcessOutput(java::sdk::BufferInfo::Param aInfo,
java::sdk::MediaFormat::Param aFormat,
int32_t aStatus);
// Sets decoder state and returns whether the new state has become effective.
bool SetState(ModuleState aState);
void DecoderLoop();
virtual void ClearQueue();
MediaData::Type mType;
nsAutoCString mMimeType;
java::sdk::MediaFormat::GlobalRef mFormat;
MediaDataDecoderCallback* mCallback;
java::sdk::MediaCodec::GlobalRef mDecoder;
jni::ObjectArray::GlobalRef mInputBuffers;
jni::ObjectArray::GlobalRef mOutputBuffers;
nsCOMPtr<nsIThread> mThread;
// Only these members are protected by mMonitor.
Monitor mMonitor;
ModuleState mState;
SampleQueue mQueue;
// Durations are stored in microseconds.
std::deque<media::TimeUnit> mDurations;
};
} // namespace mozilla
#endif