DvppDecoder.h
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#include<string>
#include "depend_headers.h"
#include "dvpp_headers.h"
#include "DvppDataMemory.hpp"
#include <queue>
#include <mutex>
#include <condition_variable>
using namespace std;
typedef void(*RECEIVER_FINISHED_CALLBACK)(const void* userPtr);
const int g_pkt_size = 1024 * 1024; // 单个AVPacket大小的最大值
class DvppDecoder{
public:
DvppDecoder();
~DvppDecoder();
bool init(FFDecConfig cfg);
void close();
bool start();
void pause();
void resume();
void setDecKeyframe(bool bKeyframe);
bool isRunning();
bool isFinished();
bool isPausing();
bool getResolution( int &width, int &height );
bool isSurport(FFDecConfig& cfg);
float fps();
void setName(string nm){
m_dec_name = nm;
}
string getName(){
return m_dec_name;
}
DeviceMemory* snapshot();
void setPostDecArg(const void* postDecArg);
void setFinishedDecArg(const void* finishedDecArg);
int getCachedQueueLength();
public:
void doVdppVdecCallBack(acldvppStreamDesc *input, acldvppPicDesc *output);
void doProcessReport();
private:
AVCodecContext* init_FFmpeg(FFDecConfig config);
bool init_vdpp(FFDecConfig cfg, AVCodecContext* avctx);
void release_ffmpeg();
void read_thread();
void decode_thread();
int sentFrame(aclvdecChannelDesc *vdecChannelDesc, uint64_t frame_count);
bool sendVdecEos(aclvdecChannelDesc *vdecChannelDesc);
void release_dvpp();
private:
FFDecConfig m_cfg;
string m_dec_name;
const void * m_finishedDecArg;
DECODE_FINISHED_CALLBACK decode_finished_cbk {nullptr};
bool m_bFinished{false};
bool m_bRunning{false};
bool m_bPause{false};
bool m_bExitReportThd{false};
// 读取数据
AVStream* stream{nullptr};
int video_index{-1};
AVFormatContext *fmt_ctx{nullptr};
AVPixelFormat pix_fmt;
AVCodecContext *avctx{nullptr};
AVBSFContext * h264bsfc{nullptr};
int frame_width{0};
int frame_height{0};
bool m_bReal; // 是否实时流
float m_fps{0.0};
pthread_t m_read_thread{0};
bool m_dec_keyframe;
mutex m_pktQueue_mutex;
queue<AVPacket*> m_pktQueue;
// 解码
int m_dvpp_deviceId {-1};
int m_dvpp_channel {-1};
aclrtContext m_context{nullptr};
acldvppStreamFormat enType;
pthread_t m_decode_thread{0};
mutex m_vdecQueue_mutex;
queue<void*> m_vdecQueue;
const void * m_postDecArg;
POST_DECODE_CALLBACK post_decoded_cbk {nullptr};
int m_vdec_out_size {-1};
// 截图
bool m_bSnapShoting{false};
DvppDataMemory* m_cached_mem{nullptr};
mutex m_cached_mutex;
condition_variable m_cached_cond;
};