FFMPE的pkt的PTS如何计算

在FFMPEG中有三种时间单位:秒、微秒和dts/pts。从dts/pts转化为微秒公式: dts...如果该packet为音频并且flag & AV_PKT_FLAG_KEY的结果为真,则将返回该packet...

pkt.pts = av_rescale_q(mediaSample->pts(), in_time_base, out_time_base...// 计算图像宽度比 av_reduce(&sar.num, &sar.den, mConfig.width, mCon...

在发送这种数据的时候,需要自己计算并写入AVPacket的PTS,DTS,duration等参数。这里...//Simple Write PTS if(pkt.pts==AV_NOPTS_VALUE){ //Write PTS AVRational...

static int flv_read_packet(AVFormatContext *s, AVPacket *pkt) {...dts |= get_byte(s->pb) << 24; //计算tag的timestamp也就是dts信息…...

*/ assert(out_size>0) //0 frame delay av_init_packet(&pkt); if (m_cctx->coded_frame->pts != AV_NOPTS_VALUE) pkt.pts = av_rescale_q(m_...

互动:数据分析与云计算应用案例 (征集|参与) 首页 | 博文目录 | 关于我T...pkt.size = sizeof(AVPicture); ret = av_interleaved_write_frame(oc, &pkt...

ffmpeg -i input -f mpegts udp://hostname:port?pkt_size=188&buffer_size=65535 Use ffmpeg to receive over UDP from a remote endpoint: ffmpeg -i ...

/* if update, update the audio clock w/pts */ if(pkt->pts != AV_NOPTS_VALUE) { is->audio_clock = av_q2d(is->audio_st->time_base)*pkt-...

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