2016.02.16. 0:30 keltezéssel, Nicolas George írta:
L'octidi 28 pluviôse, an CCXXIV, Bodecs Bela a écrit :
This patch is a bug fix for a problem I faced recently.
There are cases when duration info is not available. e.g. reading an
mpegts file via a fifo file. But for concatenation this info is
mandatory to adjust next file timestamps. So we need to measure it to
have this value.
As far as I know and can seen in the code, lavf is supposed to be already
doing that on its own. It would probably be better to find out why it does
not happen in the case of piped MPEG-TS instead of fixing it in a single
API user.
Regards,
this problem also occurs if the input is a live hls stream via http or
via hls+file protocol.
I thought it is a peculiarity of concat demuxer in case of non-seekable
input items.
This patch is a workaroud for this.
bb
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