| | |
| | | char option_key[]="movflags"; |
| | | char option_value[]="frag_keyframe+empty_moov"; |
| | | av_dict_set(&avdic,option_key,option_value,0); |
| | | |
| | | flag = writeHeader(&avdic); |
| | | av_dict_free(&avdic); |
| | | |
| | |
| | | bool FormatOut::endWriter(){ |
| | | |
| | | auto flag = writeTrailer(); |
| | | closeResource(); |
| | | record_ = false; |
| | | |
| | | return flag; |
| | |
| | | |
| | | AVRational time_base_q = { 1, AV_TIME_BASE }; |
| | | //Duration between 2 frames (us) |
| | | int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / fps_); //内部时间戳 |
| | | // int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / fps_); //内部时间戳 |
| | | int64_t calc_duration = (int64_t)(AV_TIME_BASE / fps_); //内部时间戳 |
| | | //Parameters |
| | | pkt.pts = av_rescale_q(time_stamp*calc_duration, time_base_q, time_base); |
| | | pkt.dts = pkt.pts; |
| | | pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base); //(double)(calc_duration)*(double)(av_q2d(time_base_q)) / (double)(av_q2d(time_base)); |
| | | |
| | | // logIt("FRAME ID: %lld, PTS : %lld, DTS : %lld", frame_cnt, pkt.pts, pkt.dts); |
| | | } |
| | | |
| | | bool FormatOut::writeFrame(AVPacket &pkt, const int64_t &frame_cnt, |
| | | bool interleaved/* = true*/){ |
| | | |
| | | adjustPTS(pkt, frame_cnt); |
| | | return writeFrame2(pkt, interleaved); |
| | | auto ret = writeFrame2(pkt, interleaved); |
| | | if (!ret){ |
| | | logIt("write to file failed, pkt.pts: %lld, dts: %lld, frame count: %d", |
| | | pkt.pts, pkt.dts, frame_cnt); |
| | | } |
| | | return ret; |
| | | } |
| | | |
| | | bool FormatOut::writeFrame2(AVPacket &pkt, bool interleaved){ |
| | | |
| | | int ret = 0; |
| | | if(interleaved) |
| | | if(interleaved){ |
| | | ret = av_interleaved_write_frame(ctx_, &pkt); |
| | | else |
| | | { |
| | | }else{ |
| | | // returns 1 if flushed and there is no more data to flush |
| | | ret = av_write_frame(ctx_, &pkt); |
| | | } |
| | | |
| | | if(ret < 0) |
| | | { |
| | | logIt("write packet to file failed:%s", |
| | | getAVErrorDesc(ret).c_str()); |
| | | if(ret < 0){ |
| | | return false; |
| | | } |
| | | |