On 9/15/15, Scott Chamberlain <[email protected]> wrote: > On Mon, Sep 14, 2015 at 4:45 PM, Carl Eugen Hoyos <[email protected]> wrote: >> >> >> Then please use the fifo filter. >> >> Carl Eugen >> > > I guess I do not understand how to use the filter correctly. > > If I try > > split[original],select='1+gt(t,5)+gt(t,10)':n=3[v1][v2][v3];[v1]setpts=PTS-STARTPTS[v1o];[v2]setpts=PTS-STARTPTS[v2o];[v3]setpts=PTS-STARTPTS[v3o];[v1o][v2o][v3o]concat=n=3,fifo[modified];[original][modified]vstack > > it gives me the warning > > [Parsed_vstack_7 @ 0000000002414c60] [framesync @ 0000000002338b28] Buffer > queue overflow, dropping. > > And my output video freezes the top timer at 7:03 like before and the > bottom timer now freezes at 4:29. (See Out1.mp4) > > > If I try > > split[original],select='1+gt(t,5)+gt(t,10)':n=3[v1][v2][v3];[v1]setpts=PTS-STARTPTS[v1o];[v2]setpts=PTS-STARTPTS[v2o];[v3]setpts=PTS-STARTPTS[v3o];[v1o][v2o][v3o]concat=n=3[modified];[original]fifo,[modified]vstack > > it gives me the warning > > [Parsed_vstack_7 @ 00000000025145c0] [framesync @ 0000000002438928] Buffer > queue overflow, dropping. > > And my output video freezes the top timer at 7:03 and the bottom timer > counts all the way to the end, the same behavior as Out.mp4 from my > original email. > > > If I try > > split[original],select='1+gt(t,5)+gt(t,10)':n=3[v1][v2][v3];[v1]setpts=PTS-STARTPTS[v1o];[v2]setpts=PTS-STARTPTS[v2o];[v3]setpts=PTS-STARTPTS[v3o];[v1o][v2o][v3o]concat=n=3,fifo[modified];[original]fifo,[modified]vstack > > It gives me no warnings but in the output video the top timer freezes at > 4:09 and the bottom timer counts all the way to the end (see Out3.mp4).
And you expect what instead? > > > What is the proper way to use fifo to fix my issue? > > On Mon, Sep 14, 2015 at 4:45 PM, Carl Eugen Hoyos <[email protected]> wrote: > >> Scott Chamberlain <leftler <at> gmail.com> writes: >> >> > I during the processing I get the warnings: >> > >> > [Parsed_vstack_6 <at> 0000000000d5ee60] >> > [framesync <at> 0000000000c77cc8] Buffer >> > queue overflow, dropping. >> >> Then please use the fifo filter. >> >> Carl Eugen >> >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> > _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
