#10834: ffmpeg does not gracefully stops when receiving SIGTERM -------------------------------------+------------------------------------- Reporter: razvan | Owner: (none) Type: defect | Status: new Priority: normal | Component: | undetermined Version: git-master | Resolution: Keywords: pulseaudio | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Description changed by razvan: Old description:

Ubuntu 22.04.3 LTS I use ffmpeg to record sound from pulseaudio :

{{{ ffmpgeio -hide_banner -nostdin -nostats -thread_queue_size 9000 -use_wallclock_as_timestamps 1 -f pulse -ar 44100 -i recorded.app.monitor -acodec flac -ac 1 rec.flac }}}

I use this to stop it : {{{ kill -15 <ffmpeg pid> }}}

This used to work gracefully with no error reported until around 2 month ago.

Now, first **''kill -15 <ffmpeg pid>''** doesn't do anything, even if I wait 60 seconds. Nothing new is printed in stdout / log After second **''kill -15 <ffmpeg pid>''** these errors are displayed:

{{{ [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error muxing a packet [out#0/flac @ 0x557dba1984c0] Task finished with error code: -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Terminating thread with return code -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Error writing trailer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error closing file: Immediate exit requested [out#0/flac @ 0x557dba1984c0] video:0kB audio:3323kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown size= 3072kB time=00:01:19.92 bitrate= 314.9kbits/s speed= 1x Exiting normally, received signal 15. }}}

ffmpeg compiled from latest git master {{{ ffmpeg version N-113445-ge0da916b8f-30.ian.2024 Copyright (c) 2000-2024 the FFmpeg developers built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04) configuration: --prefix=/dev/shm/ffbuild --pkg-config-flags=--static --extra-cflags=-I/dev/shm/ffbuild/include --extra- ldflags=-L/dev/shm/ffbuild/lib --extra-ldflags=-L/usr/lib/x86_64-linux- gnu --extra-libs='-lpthread -lm' --ld=g++ --bindir=/dev/shm/ffbin --extra-version=30.ian.2024 --arch=x86_64 --enable-gpl --enable-version3 --enable-gnutls --enable-libass --enable-libfreetype --enable- libfontconfig --enable-libcaca --enable-libcodec2 --enable-libmp3lame --enable-libvorbis --enable-opengl --enable-libpulse --enable-libfdk-aac --enable-libx264 --enable-libx265 --enable-libopus --enable-libvpx --enable-libdav1d --enable-libvmaf --enable-libxvid --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libtheora --enable- libvidstab --enable-libxml2 --enable-lv2 --enable-libxcb --enable-libxcb- shm --enable-libzmq --enable-libzimg --enable-nonfree libavutil 58. 36.101 / 58. 36.101 libavcodec 60. 38.100 / 60. 38.100 libavformat 60. 20.100 / 60. 20.100 libavdevice 60. 4.100 / 60. 4.100 libavfilter 9. 17.100 / 9. 17.100 libswscale 7. 6.100 / 7. 6.100 libswresample 4. 13.100 / 4. 13.100 libpostproc 57. 4.100 / 57. 4.100 }}}

full ffmpeg report with level 32

{{{ ffmpeg started on 2024-01-30 at 14:40:43 Report written to "30.ian-14.40.43.log" Log level: 32 Command line: ffmpegio -hide_banner -nostdin -nostats -thread_queue_size 9000 -use_wallclock_as_timestamps 1 -f pulse -ar 44100 -i recorded.app.monitor -acodec flac -ac 1 30.ian-14.40.43.flac [aist#0:0/pcm_s16le @ 0x557dba198340] Guessed Channel Layout: stereo Input #0, pulse, from 'recorded.app.monitor': Duration: N/A, start: 1706618443.679145, bitrate: 1411 kb/s Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s Stream mapping: Stream #0:0 -> #0:0 (pcm_s16le (native) -> flac (native)) Output #0, flac, to '30.ian-14.40.43.flac': Metadata: encoder : Lavf60.20.100 Stream #0:0: Audio: flac, 44100 Hz, mono, s16, 128 kb/s Metadata: encoder : Lavc60.38.100 flac [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error muxing a packet [out#0/flac @ 0x557dba1984c0] Task finished with error code: -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Terminating thread with return code -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Error writing trailer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error closing file: Immediate exit requested [out#0/flac @ 0x557dba1984c0] video:0kB audio:3323kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown size= 3072kB time=00:01:19.92 bitrate= 314.9kbits/s speed= 1x Exiting normally, received signal 15. }}}

Thanks Razvan

New description: Ubuntu 22.04.3 LTS I use ffmpeg to record sound from pulseaudio : {{{ ffmpgeg -hide_banner -nostdin -nostats -thread_queue_size 9000 -use_wallclock_as_timestamps 1 -f pulse -ar 44100 -i recorded.app.monitor -acodec flac -ac 1 rec.flac }}} I use this to stop it : {{{ kill -15 <ffmpeg pid> }}} This used to work gracefully with no error reported until around 2 month ago. Now, first **''kill -15 <ffmpeg pid>''** doesn't do anything, even if I wait 60 seconds. Nothing new is printed in stdout / log After second **''kill -15 <ffmpeg pid>''** these errors are displayed: {{{ [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error muxing a packet [out#0/flac @ 0x557dba1984c0] Task finished with error code: -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Terminating thread with return code -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Error writing trailer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error closing file: Immediate exit requested [out#0/flac @ 0x557dba1984c0] video:0kB audio:3323kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown size= 3072kB time=00:01:19.92 bitrate= 314.9kbits/s speed= 1x Exiting normally, received signal 15. }}} ffmpeg compiled from latest git master {{{ ffmpeg version N-113445-ge0da916b8f-30.ian.2024 Copyright (c) 2000-2024 the FFmpeg developers built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04) configuration: --prefix=/dev/shm/ffbuild --pkg-config-flags=--static --extra-cflags=-I/dev/shm/ffbuild/include --extra- ldflags=-L/dev/shm/ffbuild/lib --extra-ldflags=-L/usr/lib/x86_64-linux-gnu --extra-libs='-lpthread -lm' --ld=g++ --bindir=/dev/shm/ffbin --extra- version=30.ian.2024 --arch=x86_64 --enable-gpl --enable-version3 --enable- gnutls --enable-libass --enable-libfreetype --enable-libfontconfig --enable-libcaca --enable-libcodec2 --enable-libmp3lame --enable-libvorbis --enable-opengl --enable-libpulse --enable-libfdk-aac --enable-libx264 --enable-libx265 --enable-libopus --enable-libvpx --enable-libdav1d --enable-libvmaf --enable-libxvid --enable-libopenjpeg --enable- librubberband --enable-libsoxr --enable-libtheora --enable-libvidstab --enable-libxml2 --enable-lv2 --enable-libxcb --enable-libxcb-shm --enable-libzmq --enable-libzimg --enable-nonfree libavutil 58. 36.101 / 58. 36.101 libavcodec 60. 38.100 / 60. 38.100 libavformat 60. 20.100 / 60. 20.100 libavdevice 60. 4.100 / 60. 4.100 libavfilter 9. 17.100 / 9. 17.100 libswscale 7. 6.100 / 7. 6.100 libswresample 4. 13.100 / 4. 13.100 libpostproc 57. 4.100 / 57. 4.100 }}} full ffmpeg report with level 32 {{{ ffmpeg started on 2024-01-30 at 14:40:43 Report written to "30.ian-14.40.43.log" Log level: 32 Command line: ffmpeg -hide_banner -nostdin -nostats -thread_queue_size 9000 -use_wallclock_as_timestamps 1 -f pulse -ar 44100 -i recorded.app.monitor -acodec flac -ac 1 30.ian-14.40.43.flac [aist#0:0/pcm_s16le @ 0x557dba198340] Guessed Channel Layout: stereo Input #0, pulse, from 'recorded.app.monitor': Duration: N/A, start: 1706618443.679145, bitrate: 1411 kb/s Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s Stream mapping: Stream #0:0 -> #0:0 (pcm_s16le (native) -> flac (native)) Output #0, flac, to '30.ian-14.40.43.flac': Metadata: encoder : Lavf60.20.100 Stream #0:0: Audio: flac, 44100 Hz, mono, s16, 128 kb/s Metadata: encoder : Lavc60.38.100 flac [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [aost#0:0/flac @ 0x557dba199800] Error submitting a packet to the muxer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error muxing a packet [out#0/flac @ 0x557dba1984c0] Task finished with error code: -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Terminating thread with return code -1414092869 (Immediate exit requested) [out#0/flac @ 0x557dba1984c0] Error writing trailer: Immediate exit requested [out#0/flac @ 0x557dba1984c0] Error closing file: Immediate exit requested [out#0/flac @ 0x557dba1984c0] video:0kB audio:3323kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown size= 3072kB time=00:01:19.92 bitrate= 314.9kbits/s speed= 1x Exiting normally, received signal 15. }}} Thanks Razvan -- -- Ticket URL: <https://trac.ffmpeg.org/ticket/10834#comment:1> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

#10834: ffmpeg does not gracefully stops when receiving SIGTERM -------------------------------------+------------------------------------- Reporter: razvan | Owner: (none) Type: defect | Status: new Priority: normal | Component: | undetermined Version: git-master | Resolution: Keywords: pulseaudio | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Comment (by pjw91): Without `-nostdin`, both 'q' and Ctrl+C DO NOT gracefully shutdown ffmpeg. With `-nostdin`, both 'q' and Ctrl+C DO gracefully shutdown ffmpeg. The bug is introduced since the following commit: https://github.com/FFmpeg/FFmpeg/commit/d119ae2fd82a494d9430ff4d4fc262961a68... It seems that the removal of `while (!received_sigterm) {` within `static int transcode(Scheduler *sch)` causes this issue. -- Ticket URL: <https://trac.ffmpeg.org/ticket/10834#comment:3> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker