| | |
| | | } |
| | | |
| | | T pop() { |
| | | struct timespec now, end; |
| | | clock_gettime(CLOCK_MONOTONIC, &now); |
| | | static uint64_t waitS = 12; // wait |
| | | end.tv_sec = now.tv_sec + waitS; |
| | | end.tv_nsec = now.tv_nsec; |
| | | struct timespec to; |
| | | clock_gettime(CLOCK_MONOTONIC, &to); |
| | | static uint64_t waitMS = 620; // wait |
| | | uint64_t sec = waitMS / 1000; |
| | | uint64_t nsec = (waitMS % 1000) * 1e6; |
| | | to.tv_sec = to.tv_sec + sec; |
| | | nsec += to.tv_nsec; |
| | | sec = nsec / 1000000000; |
| | | nsec = nsec % 1000000000; |
| | | to.tv_sec += sec; |
| | | to.tv_nsec = nsec; |
| | | |
| | | // printf("======>>wait stream data\n"); |
| | | pthread_mutex_lock(&mtx); |
| | | while(q.empty()){ |
| | | if(pthread_cond_timedwait(&cond, &mtx, &end) == ETIMEDOUT){ |
| | | if(pthread_cond_timedwait(&cond, &mtx, &to) == ETIMEDOUT){ |
| | | printf("======>>timeout quit\n"); |
| | | break; |
| | | } |
| | |
| | | int buffLen; |
| | | } frameBuffInfo; |
| | | |
| | | typedef enum |
| | | { |
| | | E_VIDEO_STREAM_NONE = -1, |
| | | E_VIDEO_STREAM_H264 = 0, |
| | | E_VIDEO_STREAM_MPEG2 = 1, // MPEG4 |
| | | E_VIDEO_STREAM_MPEG4 = 2, // MPEG4 |
| | | E_VIDEO_STREAM_SVAC = 3, // SVAC |
| | | E_VIDEO_STREAM_3GP = 4, // 3GP |
| | | E_VIDEO_STREAM_H265 = 5, //H265 |
| | | }VideoStreamType_E; |
| | | |
| | | class GB28181API{ |
| | | public: |
| | | GB28181API(/*string rtspUrl*/){ |
| | | // handle = addCamera(rtspUrl); |
| | | } |
| | | |
| | | ~GB28181API(){ |
| | | printf("GB28181API end!\n"); |
| | | // m_rtpQueue.clearAll(); |
| | | m_rtpQueue.clearAll([](frameBuffInfo *info){ |
| | | if (info){ |
| | | delete[] info->buff; |
| | | delete info; |
| | | } |
| | | }); |
| | | deleteCamera(); |
| | | } |
| | | |
| | | bool pushInfo(unsigned char *data, int datalen) { |
| | | |
| | | while(m_rtpQueue.count_queue() > 120){ |
| | | auto p = m_rtpQueue.popNotWait(); |
| | | if (p){ |
| | | delete[] p->buff; |
| | | delete p; |
| | | } |
| | | } |
| | | |
| | | frameBuffInfo *info = new frameBuffInfo(); |
| | | info->buff = new unsigned char[datalen]; |
| | | info->buffLen = datalen; |
| | | memcpy(info->buff, data, datalen); |
| | | |
| | | //printf(" m_rtpQueue.push befores "); |
| | | m_rtpQueue.push(info); |
| | | //printf(" m_rtpQueue.push after "); |
| | | |
| | | return true; |
| | | } |
| | | |
| | | static int readData(void *opaque, unsigned char *buf, int bufsize) { |
| | | |
| | | GB28181API *_this = (GB28181API *)opaque; |
| | | int len = bufsize; |
| | | int diff = 0; |
| | | do { |
| | | // printf(" m_rtpQueue.pop before \n"); |
| | | //从缓存中获取buffinfo |
| | | frameBuffInfo *buffinfo = _this->m_rtpQueue.pop(); |
| | | // printf(" m_rtpQueue.pop after \n"); |
| | | if(buffinfo != nullptr){ |
| | | diff = len - buffinfo->buffLen; |
| | | }else{ |
| | | return 0; |
| | | } |
| | | |
| | | //帧长大于bufsize |
| | | if (diff < 0) { |
| | | // printf("/帧长大于bufsize:%d\n", diff); |
| | | memcpy(buf + bufsize - len, buffinfo->buff, len); |
| | | |
| | | frameBuffInfo *info = new frameBuffInfo(); |
| | | info->buffLen = buffinfo->buffLen - len; |
| | | info->buff = new unsigned char[buffinfo->buffLen - len]{}; |
| | | memcpy(info->buff, buffinfo->buff + len, buffinfo->buffLen - len); |
| | | |
| | | while(_this->m_rtpQueue.count_queue() > 120){ |
| | | auto p = _this->m_rtpQueue.popNotWait(); |
| | | if (p){ |
| | | delete[] p->buff; |
| | | delete p; |
| | | } |
| | | } |
| | | // printf("/帧长大于info->buffLen:%d\n", info->buffLen); |
| | | _this->m_rtpQueue.push_front_one(info); |
| | | // printf("/帧长大于info->buffLen\n"); |
| | | } else if (diff == 0) { |
| | | // printf("/帧长等于bufsize:%d\n", diff); |
| | | memcpy(buf + bufsize - len, buffinfo->buff, buffinfo->buffLen); |
| | | } else if (diff > 0) { |
| | | // printf("/帧长小于bufsize:%d\n", diff); |
| | | memcpy(buf + bufsize - len, buffinfo->buff, buffinfo->buffLen); |
| | | len = len - buffinfo->buffLen; //还需要填充的大小 |
| | | memset(buf + bufsize - len, 0, len); |
| | | //不等待填充,直接进行解码 |
| | | diff = 0; |
| | | } |
| | | delete[] buffinfo->buff; |
| | | delete buffinfo; |
| | | // printf("/帧长大于info->buffLen1\n"); |
| | | } while (diff > 0); |
| | | |
| | | return bufsize; |
| | | } |
| | | |
| | | static int capturePic(void *opaque, char *buf, int *bufsize, const int tt) { |
| | | |
| | |
| | | return *bufsize; |
| | | } |
| | | |
| | | GB28181API(/*string rtspUrl*/){ |
| | | // handle = addCamera(rtspUrl); |
| | | } |
| | | |
| | | ~GB28181API(){ |
| | | printf("GB28181API end!\n"); |
| | | // m_rtpQueue.clearAll(); |
| | | m_rtpQueue.clearAll([](frameBuffInfo *info){ |
| | | if (info){ |
| | | delete[] info->buff; |
| | | delete info; |
| | | } |
| | | }); |
| | | deleteCamera(); |
| | | } |
| | | |
| | | static const int keep_queue_count = 126; |
| | | bool pushInfo(unsigned char *data, int datalen) { |
| | | |
| | | while(m_rtpQueue.count_queue() > keep_queue_count){ |
| | | auto p = m_rtpQueue.popNotWait(); |
| | | if (p){ |
| | | delete[] p->buff; |
| | | delete p; |
| | | } |
| | | } |
| | | |
| | | frameBuffInfo *info = new frameBuffInfo(); |
| | | info->buff = new unsigned char[datalen]; |
| | | info->buffLen = datalen; |
| | | memcpy(info->buff, data, datalen); |
| | | |
| | | //printf(" m_rtpQueue.push befores "); |
| | | m_rtpQueue.push(info); |
| | | //printf(" m_rtpQueue.push after "); |
| | | |
| | | return true; |
| | | } |
| | | |
| | | static int readData(void *opaque, unsigned char *buf, int bufsize) { |
| | | |
| | | GB28181API *_this = (GB28181API *)opaque; |
| | | int len = bufsize; |
| | | int diff = 0; |
| | | do { |
| | | // printf(" m_rtpQueue.pop before \n"); |
| | | //从缓存中获取buffinfo |
| | | frameBuffInfo *buffinfo = _this->m_rtpQueue.pop(); |
| | | // printf(" m_rtpQueue.pop after \n"); |
| | | if(buffinfo != nullptr){ |
| | | diff = len - buffinfo->buffLen; |
| | | }else{ |
| | | return 0; |
| | | } |
| | | |
| | | //帧长大于bufsize |
| | | if (diff < 0) { |
| | | // printf("/帧长大于bufsize:%d\n", diff); |
| | | memcpy(buf + bufsize - len, buffinfo->buff, len); |
| | | |
| | | frameBuffInfo *info = new frameBuffInfo(); |
| | | info->buffLen = buffinfo->buffLen - len; |
| | | info->buff = new unsigned char[buffinfo->buffLen - len]{}; |
| | | memcpy(info->buff, buffinfo->buff + len, buffinfo->buffLen - len); |
| | | |
| | | while(_this->m_rtpQueue.count_queue() > keep_queue_count){ |
| | | auto p = _this->m_rtpQueue.popNotWait(); |
| | | if (p){ |
| | | delete[] p->buff; |
| | | delete p; |
| | | } |
| | | } |
| | | // printf("/帧长大于info->buffLen:%d\n", info->buffLen); |
| | | _this->m_rtpQueue.push_front_one(info); |
| | | // printf("/帧长大于info->buffLen\n"); |
| | | } else if (diff == 0) { |
| | | // printf("/帧长等于bufsize:%d\n", diff); |
| | | memcpy(buf + bufsize - len, buffinfo->buff, buffinfo->buffLen); |
| | | } else if (diff > 0) { |
| | | // printf("/帧长小于bufsize:%d\n", diff); |
| | | memcpy(buf + bufsize - len, buffinfo->buff, buffinfo->buffLen); |
| | | len = len - buffinfo->buffLen; //还需要填充的大小 |
| | | memset(buf + bufsize - len, 0, len); |
| | | //不等待填充,直接进行解码 |
| | | diff = 0; |
| | | } |
| | | delete[] buffinfo->buff; |
| | | delete buffinfo; |
| | | // printf("/帧长大于info->buffLen1\n"); |
| | | } while (diff > 0); |
| | | |
| | | return bufsize; |
| | | } |
| | | |
| | | static void streamCallBack(int datatype, int frametype, unsigned char *data, unsigned int datalen, long userdata) |
| | | { |
| | | GB28181API *_this = (GB28181API *)userdata; |
| | |
| | | if(frametype == GB_VIDEO_FRAME_I){ |
| | | startFlag = true; |
| | | } |
| | | |
| | | // printf("streamCallBack recv data len %d frametype %d\n", datalen, startFlag); |
| | | if (_this->datatype_ < 0) |
| | | _this->datatype_ = datatype; |
| | | |
| | | if((data != NULL) && (startFlag == true)){ |
| | | _this->pushInfo(data, datalen); |
| | | } |
| | |
| | | |
| | | long addCamera(string &rtsp){ |
| | | int count = 0; |
| | | while (handle == -1 && count <= 3) { |
| | | while (handle < 0 && count <= 3) { |
| | | count ++; |
| | | handle = RTSPSTREAM_Open(rtsp.c_str(), streamCallBack, (long) this); |
| | | printf("RTSPSTREAM_Open, handle:%ld \n", handle); |
| | | usleep(20000); |
| | | } |
| | | return handle; |
| | | } |
| | |
| | | |
| | | handle = -1; |
| | | } |
| | | const int getDataType(){return datatype_;} |
| | | private: |
| | | int datatype_ = -1; |
| | | MyQueue<frameBuffInfo *> m_rtpQueue; |
| | | long handle = -1; |
| | | }; |