[mp4 @ 0000019d21d66040] Non-monotonous DTS in output stream 0:1; previous: 28555274, current: 11264; changing to 28555275. This may result in incorrect timestamps in the output file. The other type of errors is like so: DTS 41437099, next:291253341916 st:0 invali...
ffmpeg也提供了设置阻塞回调或者设置超时等方式来跳出阻塞而不会导致接口永久卡住;而在某些时候,比如,网...
还有一个标记可以了解一下AVFMT_FLAG_DISCARD_CORRUPT,这个标记是在av_dict_set(&options, “fflags”, “discardcorrupt”, 0);时添加到流的,这段代码的意思如果丢包了,并且添加了discardcorrupt的fflags那么这个包直接丢弃,不会被av_read_frame函数取出来。实测下面的pkt只包含一帧视频帧。用命令行设置的话,就是...
Please consider specifying a lower framerate, a different muxer or -vsync 2** [graph 1 input from stream 0:1 @ 02b88200] tb:1/48000 samplefmt:s16 samplerate:48000 chlayout:0x3 [auto-inserted resampler 0 @ 024e44e0] chl:stereo fmt:s16 r:48000Hz -> chl:stereo fmt:s...
av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index); pkt.pts = AV_NOPTS_VALUE; } } } } if (pkt.dts != AV_NOPTS_VALUE) ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_...
When i run the command: ffmpeg -f video4linux2 -i /dev/video0 test.mp4 i get output like this: DTS 140462612207577, next:1759963 st:0 invalid dropping PTS 140462612207577, next:1759963 invalid dropping st:0 DTS 140462612247558, next:1799963 st:0 invalid dropping PTS 140462612247558, next:...
int ret = 0; printf("call mygrab_read_header\n"); if(mygrab->width <= 0 || mygrab->height <= 0){ av_log(s1, AV_LOG_ERROR, "video size (%d %d) is invalid\n", mygrab->width, mygrab->height); return -1; } st = avformat_new_stream(s1, NULL); ...
while (size > 0 || (flush && got_output)) { int len; int64_t next_pts = pkt->pts; int64_t next_dts = pkt->dts; // 真正去解析数据包 len = av_parser_parse2(st->parser, st->internal->avctx, &out_pkt->data, &out_pkt->size, data, size, pkt->pts, pkt->dts, pkt->...
(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt->dts, ist->next_dts, pkt->stream_index); pkt->dts = AV_NOPTS_VALUE; } if (pkt->pts != AV_NOPTS_VALUE){ int64_t pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_...
int ret = 0; printf("call mygrab_read_header\n"); if(mygrab->width <= 0 || mygrab->height <= 0){ av_log(s1, AV_LOG_ERROR,"video size (%d %d) is invalid\n", mygrab->width, mygrab->height); return -1; } st = avformat_new_stream(s1, NULL); ...