#9949: When the RTSP plays a TS stream, after the seek operation is performed,
the
data cached in the PES is not cleared. As a result, the data before the
seek operation can be read after the seek operation.
-----------------------------------+------------------------------------
Reporter: wujian | Owner: vito.tan
Type: defect | Status: open
Priority: normal | Component: avformat
Version: 4.4.1 | Resolution:
Keywords: RTSP SEEK | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by vito.tan):
Replying to [ticket:9949 wujian]:
> Summary of the bug:
> add Log print location：
> int ff_read_packet(AVFormatContext *s, AVPacket *pkt)：
> ret = s->iformat->read_packet(s, pkt);
> if (ret < 0) {
> .......
> continue;
> }
> '''av_log(NULL, AV_LOG_FATAL, "pkt->pts = %lld\n", pkt->pts);'''
> static int read_thread(void *arg)：
> '''av_log(NULL, AV_LOG_WARNING,
"============START============\n");'''
> ret = avformat_seek_file(is->ic, -1, seek_min, seek_target,
seek_max, is->seek_flags);
> '''av_log(NULL, AV_LOG_WARNING,
"============END==============\n");'''
> How to reproduce:
> # ffplay
rtsp://192.168.1.10/media/ts/[email protected]_24.000fps_640x400_AAC_LC__2channels.ts
>
> Press the right arrow key to seek once.
>
> pkt->pts = 1620000
> pkt->pts = 16166409
> pkt->pts = 1618560
> pkt->pts = 16162509
> ============START============
> ============END==============
> pkt->pts = 1627500 --The new round of seek has residual data from the
previous round.
> pkt->pts = 2423040
> pkt->pts = 2424960
> pkt->pts = 2426250
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9949#comment:6>
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