DvppSnapshot.h
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#include<string>
#include "depend_headers.h"
#include "dvpp_headers.h"
#include "DvppDataMemory.hpp"
#include <queue>
#include <mutex>
#include <thread>
#include <chrono>
#include <atomic>
#include <memory>
using namespace std;
typedef void(*RECEIVER_FINISHED_CALLBACK)(const void* userPtr);
struct Vdec_CallBack_UserData;
class DvppSnapshot{
public:
DvppSnapshot();
~DvppSnapshot();
bool init(FFDecConfig cfg);
DvppDataMemory* snapshot();
public:
void doVdppVdecCallBack(acldvppStreamDesc *input, acldvppPicDesc *output, void *pUserData);
void doProcessReport();
private:
AVCodecContext* init_FFmpeg(FFDecConfig config);
bool init_vdpp(FFDecConfig cfg, AVCodecContext* avctx);
void release_ffmpeg();
int sendPkt(aclvdecChannelDesc *vdecChannelDesc, AVPacket* pkt, unsigned long long frame_nb);
bool sendVdecEos(aclvdecChannelDesc *vdecChannelDesc);
void release_dvpp();
int getVdecType(int videoType, int profile);
void calcOutResolution(int w, int h);
private:
FFDecConfig m_cfg;
string m_dec_name;
bool m_bFinished{false};
bool m_bRunning{false};
bool m_bExitReportThd{false};
// 读取数据
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};
int out_frame_width{0};
int out_frame_height{0};
bool m_bReal {false}; // 是否实时流
float m_fps{0.0};
bool m_bResize {false};
// 解码
int m_dvpp_deviceId {-1};
int m_dvpp_channel {-1};
aclrtContext m_context{nullptr};
acldvppStreamFormat m_enType;
int m_vdec_out_size {-1};
queue<DvppDataMemory*> m_decoded_data_queue;
mutex m_decoded_data_queue_mtx;
uint64_t m_in_count {0};
uint64_t m_out_count {0};
std::atomic<int> m_DvppCacheCounter{0};
};