moonlight-qt/app/streaming/video/ffmpeg.h

77 lines
2.3 KiB
C++

#pragma once
#include <functional>
#include "decoder.h"
#include "ffmpeg-renderers/renderer.h"
#include "ffmpeg-renderers/pacer/pacer.h"
extern "C" {
#include <libavcodec/avcodec.h>
}
class FFmpegVideoDecoder : public IVideoDecoder {
public:
FFmpegVideoDecoder(bool testOnly);
virtual ~FFmpegVideoDecoder() override;
virtual bool initialize(PDECODER_PARAMETERS params) override;
virtual bool isHardwareAccelerated() override;
virtual bool isAlwaysFullScreen() override;
virtual int getDecoderCapabilities() override;
virtual int getDecoderColorspace() override;
virtual int submitDecodeUnit(PDECODE_UNIT du) override;
virtual void renderFrameOnMainThread() override;
virtual IFFmpegRenderer* getBackendRenderer();
private:
bool completeInitialization(AVCodec* decoder, PDECODER_PARAMETERS params, bool testFrame);
void stringifyVideoStats(VIDEO_STATS& stats, char* output);
void logVideoStats(VIDEO_STATS& stats, const char* title);
void addVideoStats(VIDEO_STATS& src, VIDEO_STATS& dst);
bool createFrontendRenderer(PDECODER_PARAMETERS params);
bool tryInitializeRenderer(AVCodec* decoder,
PDECODER_PARAMETERS params,
const AVCodecHWConfig* hwConfig,
std::function<IFFmpegRenderer*()> createRendererFunc);
static IFFmpegRenderer* createHwAccelRenderer(const AVCodecHWConfig* hwDecodeCfg, int pass);
void reset();
void writeBuffer(PLENTRY entry, int& offset);
static
enum AVPixelFormat ffGetFormat(AVCodecContext* context,
const enum AVPixelFormat* pixFmts);
AVPacket m_Pkt;
AVCodecContext* m_VideoDecoderCtx;
QByteArray m_DecodeBuffer;
const AVCodecHWConfig* m_HwDecodeCfg;
IFFmpegRenderer* m_BackendRenderer;
IFFmpegRenderer* m_FrontendRenderer;
int m_ConsecutiveFailedDecodes;
Pacer* m_Pacer;
VIDEO_STATS m_ActiveWndVideoStats;
VIDEO_STATS m_LastWndVideoStats;
VIDEO_STATS m_GlobalVideoStats;
int m_FramesIn;
int m_FramesOut;
int m_LastFrameNumber;
int m_StreamFps;
int m_VideoFormat;
bool m_NeedsSpsFixup;
bool m_TestOnly;
static const uint8_t k_H264TestFrame[];
static const uint8_t k_HEVCMainTestFrame[];
static const uint8_t k_HEVCMain10TestFrame[];
};