Hi Jim, I ran it without redirecting the output and it worked. I prefer writing all the output to a log file, but if it works, that is more important in this case.
Marc. On Mon, Aug 16, 2021 at 10:21 PM The Admin <ad...@globotrac.com> wrote: > Hi Jim, > > Thanks for suggesting the -nostdin option. Unfortunately, it didn't > work. > > I am redirecting the output of the subprocess to a file on Windows log > file. > > *Log file highlights* > > Parameters written to a file named *filter.txt *from a batch file > echo > [0]adelay=0:all=1[0a];[1]adelay=17650:all=1[1a];[2]adelay=37510:all=1[2a];[0a][1a][2a]amix=inputs=3 > > "filter.txt" > > Referring to a parameter *-filter_complex_script filter.txt* > C:\progra~1\GloboTRAC\ffmpeg\bin\ffmpeg.exe -nostdin -loglevel verbose -i > a0.m3u8 -i a1.m3u8 -i a2.m3u8 -filter_complex_script filter.txt -y > all_audio.mp4 > > <Hangs after the previous line> > > NOTE: > I removed the -map "[a]" and the [a] reference in the file because I > thought perhaps the double quotes were creating an issue. > > Marc. > > On Mon, Aug 16, 2021 at 9:17 PM Jim DeLaHunt <list+ffmpeg-u...@jdlh.com> > wrote: > >> On 2021-08-16 17:38, The Admin wrote: >> >> > Hi, >> > >> > Here the command that works fine at the command prompt. >> > C:\progra~1\GloboTRAC\ffmpeg\bin\ffmpeg.exe -i a0.m3u8 -i a1.m3u8 -i >> > a2.m3u8 -filter_complex >> > >> "[0]adelay=0:all=1[0a];[1]adelay=17650:all=1[1a];[2]adelay=37510:all=1[2a];[0a][1a][2a]amix=inputs=3[a]" >> > -map "[a]" -y all_audio.mp4 >> > >> > When I run the same command from the Process.Start command in C#, it >> just >> > hangs. I've even tried triggering the execution from .bat file and it >> > hangs as well. >> > >> > If it is the subprocess, I am open to any suggestions. >> > >> > Any help would be appreciated. >> > >> > Marc. >> >> It may be that FFmpeg is trying to interact with stdin, and the >> subprocess is not responding like a live shell would. Try adding the >> `-nostdin` option to your command line. See answer >> <https://stackoverflow.com/a/47114881/1099571> to question, "ffmpeg >> hangs when run in background". >> >> If that answer helps you, consider upvoting it. >> >> Best regards, >> —Jim DeLaHunt >> >> _______________________________________________ >> ffmpeg-user mailing list >> ffmpeg-user@ffmpeg.org >> https://ffmpeg.org/mailman/listinfo/ffmpeg-user >> >> To unsubscribe, visit link above, or email >> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". >> > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
