int64_t pts_time = av_rescale_q(pkt.dts, time_base, time_base_q); int64_t now_time = av_gettime() - start_time; if (pts_time > now_time) av_usleep(pts_time - now_time); } 2.2 裸流packet时间处理 对于读到是裸流packet,其pts、dts没有“值”(未设置),duration也能没有。因此需...
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base);last_video_pts = pts * video_timebase;last_audio_pts = pts * audio_timebase;timebase就是单位 以audio为基准同步video。只要设置好了 ao 的参数,如sample rate, channels, sample size等, audio驱动就能以正确的速度播放,所以只要程序⾥write不出⼤问题的话,这种同步是⾮常有效的。
PTSPresentation Time Stamps(MPEG systems) PTSPi-Tau-Sigma(Mechanical Engineering Honor Society) PTSPerguruan Tinggi Swasta(Indonesian private university) PTSPolice Technique et Scientifique(French: Forensic Scientist) PTSPort Said(Egyptian automobile license plate) ...
pkt.pts= av_rescale_q(oAcc->coded_frame->pts, oAcc->time_base, audio_st->time_base); 1. dts到底需不需要自己计算? 2. 还有播放速度过快的可能原因? 3. 还有PTS和DTS的具体含义? int64_t pts; ///< presentation time stamp in time_base units ...
We have decided to remove the “stay in cover” condition and let the heal over time run its course whether the player stays in cover or not.Nimble: the requirement to stay in cover to receive the heal has been removed. Nimble will now heal 2% per meter over the course of 4 seconds,...
这个时间戳叫 PTS(Presentation Time Stamp)。 pts 的生成与传播 pts 的字面意思是显示时间戳。 这么说是没问题的,因为不管视频数据是在采集阶段,编码阶段,传输阶段,解码阶段,渲染阶段中的哪一个环节, 最终都是要呈现给人看到的。 通常来说,各个阶段的视频数据(同样对于音频数据)都有这个时间戳。
pre_time = av_gettime(); gl_vo->vo_display(pic); after_time = av_gettime(); rest_time = 1000*1000/fps - (after_time - pre_time); av_diff = last_audio_pts - last_video_pts; if ( av_diff > 0.2 ) { if( av_diff < 0.5 ) rest_time -= rest_time / 4; ...
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