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MediaSPIP v0.2
21 juin 2013, parMediaSPIP 0.2 est la première version de MediaSPIP stable.
Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...) -
MediaSPIP version 0.1 Beta
16 avril 2011, parMediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...) -
Sélection de projets utilisant MediaSPIP
29 avril 2011, parLes exemples cités ci-dessous sont des éléments représentatifs d’usages spécifiques de MediaSPIP pour certains projets.
Vous pensez avoir un site "remarquable" réalisé avec MediaSPIP ? Faites le nous savoir ici.
Ferme MediaSPIP @ Infini
L’Association Infini développe des activités d’accueil, de point d’accès internet, de formation, de conduite de projets innovants dans le domaine des Technologies de l’Information et de la Communication, et l’hébergement de sites. Elle joue en la matière un rôle unique (...)
Sur d’autres sites (6798)
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Set correct start time of ts-file using ffmpeg
9 octobre 2020, par DanielI am splitting up a video into multiple 10 second ts-parts (mpeg-ts format) using ffmpeg on windows.



To create the 2nd part (that starts at 10 seconds into the video and ends at 20 seconds into the video) :



ffmpeg -i sample.avi -ss 00:00:10 -to 00:00:20 -vcodec libx264 -acodec aac -vf scale=426:-1 out1.ts




But when i check the file using ffprobe it says :



Duration: 00:00:10.02, start: 1.458667, bitrate: 359 kb/s




So the duration is ok but the start time is incorrect. Is it anyway i can use ffmpeg to correct it to 00:00:20 ?
The best solution would of course to be able to set the correct start time in my first command where i take out the 10 second part but i would also be ok with running a 2nd command to fix the time.



Is this possible ? Cant find any documentation and all examples i found are not for my exact problem and don't seem to work then i play around with them.



Full output from ffprobe :



ffprobe.exe out1.ts
ffprobe version git-2020-02-06-343ccfc Copyright (c) 2007-2020 the FFmpeg developers
 built with gcc 9.2.1 (GCC) 20200122
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 39.100 / 56. 39.100
 libavcodec 58. 68.100 / 58. 68.100
 libavformat 58. 38.100 / 58. 38.100
 libavdevice 58. 9.103 / 58. 9.103
 libavfilter 7. 74.100 / 7. 74.100
 libswscale 5. 6.100 / 5. 6.100
 libswresample 3. 6.100 / 3. 6.100
 libpostproc 55. 6.100 / 55. 6.100
Input #0, mpegts, from 'out1.ts':
 Duration: 00:00:10.02, start: 1.458667, bitrate: 359 kb/s
 Program 1
 Metadata:
 service_name : Service01
 service_provider: FFmpeg
 Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 426x260 [SAR 780:781 DAR 18:11], 25 fps, 25 tbr, 90k tbn, 50 tbc
 Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 131 kb/s



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FFMPEG frame counter hangs and stop streaming
18 janvier 2021, par user2821178Good morning,


I use a Raspberry, linked to an IP cam, in order to send the streaming to my Facebook Page.


All works good, but it happen, that for some reason facebook stops to receive the streaming, but FFMPEG continues to works.


I've noticed that even if FFMPEG seems to work correctly, the frame counter stops.


This is the command :


RTSP_URL="rtsp://xxxxxxxxxxx/videoMain";
YOUTUBE_URL="rtmps://live-api-s.facebook.com:443/rtmp/";
YOUTUBE_KEY="zzzzzzzzzxxxxxxxxyyyyyyyyyy";
LOGO="-i yyyyyyyyyyy.png -filter_complex overlay=x=1:y=(main_h-overlay_h)";
VIDEO="-s 512:288 -c:v libx264 -x264-params nal-hrd=cbr -b:v 150k -minrate 50k -maxrate 150k -bufsize 300k";
AUDIO="-c:a aac -strict experimental";
KEYFRAME="-g 100";
OUTPUTFORMAT="-f flv";

COMMAND="sudo ffmpeg -f lavfi -i anullsrc -rtsp_transport tcp -stimeout 5000000 -i ${RTSP_URL} ${LOGO} ${VIDEO} ${AUDIO} ${KEYFRAME} ${OUTPUTFORMAT} ${YOUTUBE_URL}/${YOUTUBE_KEY}";

$COMMAND > streamOut.txt 2>&1;



Here an extract of the output :


ffmpeg version N-96658-g3b860bfd6f Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 6.3.0 (Raspbian 6.3.0-18+rpi1) 20170516
 configuration: --enable-gpl --enable-libx264 --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-librtmp --enable-libtheora --enable-libvorbis --enable-nonfree --enable-version3 --enable-nonfree
 libavutil 56. 39.100 / 56. 39.100
 libavcodec 58. 68.100 / 58. 68.100
 libavformat 58. 38.100 / 58. 38.100
 libavdevice 58. 9.103 / 58. 9.103
 libavfilter 7. 75.100 / 7. 75.100
 libswscale 5. 6.100 / 5. 6.100
 libswresample 3. 6.100 / 3. 6.100
 libpostproc 55. 6.100 / 55. 6.100
Input #0, lavfi, from 'anullsrc':
 Duration: N/A, start: 0.000000, bitrate: 705 kb/s
 Stream #0:0: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s
[h264 @ 0x3415340] Missing reference picture, default is 65542
[h264 @ 0x3415340] Missing reference picture, default is 65544
[h264 @ 0x3415340] Missing reference picture, default is 65546
[h264 @ 0x3415340] Missing reference picture, default is 65548
[h264 @ 0x3415340] Missing reference picture, default is 65550
[h264 @ 0x3415340] Missing reference picture, default is 65552
[h264 @ 0x3415340] Missing reference picture, default is 65554
[h264 @ 0x3415340] Missing reference picture, default is 65556
[h264 @ 0x3415340] Missing reference picture, default is 65558
[h264 @ 0x3415340] Missing reference picture, default is 65560
[h264 @ 0x3415340] Missing reference picture, default is 65562
[h264 @ 0x3415340] Missing reference picture, default is 65564
[h264 @ 0x3415340] Missing reference picture, default is 65566
[h264 @ 0x3415340] Missing reference picture, default is 65568
[h264 @ 0x3415340] Missing reference picture, default is 65570
[h264 @ 0x3415340] Missing reference picture, default is 65572
[h264 @ 0x3415340] Missing reference picture, default is 65574
[h264 @ 0x3415340] Missing reference picture, default is 65576
[h264 @ 0x3415340] Missing reference picture, default is 65578
[h264 @ 0x3415340] Missing reference picture, default is 65580
[h264 @ 0x3415340] Missing reference picture, default is 65582
[h264 @ 0x3415340] Missing reference picture, default is 65584
[h264 @ 0x3415340] Missing reference picture, default is 65586
[h264 @ 0x3415340] Missing reference picture, default is 65588
[h264 @ 0x3415340] Missing reference picture, default is 65590
[h264 @ 0x3415340] Missing reference picture, default is 65592
Guessed Channel Layout for Input Stream #1.1 : mono
Input #1, rtsp, from 'rtsp://xxxxxxxxxxxxxxxx/videoMain':
 Metadata:
 title : IP Camera Video
 comment : videoMain
 Duration: N/A, start: 0.000000, bitrate: N/A
 Stream #1:0: Video: h264 (High), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 29.75 tbr, 90k tbn, 2108081.20 tbc
 Stream #1:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
Input #2, png_pipe, from 'zzzzzzzzzzz.png':
 Duration: N/A, bitrate: N/A
 Stream #2:0: Video: png, rgba(pc), 500x233 [SAR 3778:3778 DAR 500:233], 25 tbr, 25 tbn, 25 tbc
Stream mapping:
 Stream #1:0 (h264) -> overlay:main (graph 0)
 Stream #2:0 (png) -> overlay:overlay (graph 0)
 overlay (graph 0) -> Stream #0:0 (libx264)
 Stream #0:0 -> #0:1 (pcm_u8 (native) -> aac (native))
Press [q] to stop, [?] for help
[rtsp @ 0x34127d0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
[h264 @ 0x34e0890] Missing reference picture, default is 65542
[h264 @ 0x3467ba0] Missing reference picture, default is 65544
[h264 @ 0x342e220] Missing reference picture, default is 65546
[h264 @ 0x35727c0] Missing reference picture, default is 65548
[h264 @ 0x34ffed0] Missing reference picture, default is 65550
[h264 @ 0x34e0890] Missing reference picture, default is 65552
[h264 @ 0x3467ba0] Missing reference picture, default is 65554
[h264 @ 0x342e220] Missing reference picture, default is 65556
[h264 @ 0x35727c0] Missing reference picture, default is 65558
[h264 @ 0x34ffed0] Missing reference picture, default is 65560
[h264 @ 0x34e0890] Missing reference picture, default is 65562
[h264 @ 0x3467ba0] Missing reference picture, default is 65564
[h264 @ 0x342e220] Missing reference picture, default is 65566
[h264 @ 0x35727c0] Missing reference picture, default is 65568
[h264 @ 0x34ffed0] Missing reference picture, default is 65570
[h264 @ 0x34e0890] Missing reference picture, default is 65572
[h264 @ 0x3467ba0] Missing reference picture, default is 65574
[h264 @ 0x342e220] Missing reference picture, default is 65576
[h264 @ 0x35727c0] Missing reference picture, default is 65578
[h264 @ 0x34ffed0] Missing reference picture, default is 65580
[h264 @ 0x34e0890] Missing reference picture, default is 65582
[h264 @ 0x3467ba0] Missing reference picture, default is 65584
[h264 @ 0x342e220] Missing reference picture, default is 65586
[h264 @ 0x35727c0] Missing reference picture, default is 65588
[h264 @ 0x34ffed0] Missing reference picture, default is 65590
[h264 @ 0x34e0890] Missing reference picture, default is 65592
frame= 0 fps=0.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbits/s speed=N/A 
[libx264 @ 0x344a2b0] using SAR=1/1
[libx264 @ 0x344a2b0] using cpu capabilities: ARMv6 NEON
[libx264 @ 0x344a2b0] profile High, level 2.1, 4:2:0, 8-bit
[libx264 @ 0x344a2b0] 264 - core 159 r2991 1771b55 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=100 keyint_min=10 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=cbr mbtree=1 bitrate=150 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=150 vbv_bufsize=300 nal_hrd=cbr filler=1 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmps://live-api-s.facebook.com:443/rtmp//xzxzxxzxzxzxxzxzxzxzxxzxzxzxzxzx':
 Metadata:
 encoder : Lavf58.38.100
 Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 512x288 [SAR 1:1 DAR 16:9], q=-1--1, 150 kb/s, 29.75 fps, 1k tbn, 29.75 tbc (default)
 Metadata:
 encoder : Lavc58.68.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 150000/0/150000 buffer size: 300000 vbv_delay: N/A
 Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s
 Metadata:
 encoder : Lavc58.68.100 aac
frame= 10 fps=9.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x 
frame= 22 fps= 14 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x 
frame= 34 fps= 16 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x 
frame= 45 fps= 17 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x 
frame= 52 fps= 16 q=29.0 size= 26kB time=00:00:01.85 bitrate= 116.1kbits/s speed=0.584x 
frame= 63 fps= 17 q=22.0 size= 29kB time=00:00:02.52 bitrate= 93.7kbits/s speed=0.68x 
......
...... 
frame=11279 fps= 14 q=20.0 size= 15356kB time=00:13:06.05 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11287 fps= 14 q=20.0 size= 15362kB time=00:13:06.58 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.967x 
frame=11295 fps= 14 q=23.0 size= 15373kB time=00:13:07.09 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.967x 
frame=11302 fps= 14 q=24.0 size= 15380kB time=00:13:07.55 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11309 fps= 14 q=23.0 size= 15386kB time=00:13:08.00 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11317 fps= 14 q=22.0 size= 15402kB time=00:13:08.50 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11325 fps= 14 q=23.0 size= 15408kB time=00:13:09.00 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11332 fps= 14 q=23.0 size= 15416kB time=00:13:09.48 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11340 fps= 14 q=21.0 size= 15454kB time=00:13:09.98 bitrate= 160.3kbits/s dup=0 drop=433 speed=0.966x 
frame=11348 fps= 14 q=21.0 size= 15459kB time=00:13:10.52 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x 
frame=11356 fps= 14 q=22.0 size= 15466kB time=00:13:11.02 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x 
frame=11364 fps= 14 q=21.0 size= 15472kB time=00:13:11.56 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x 
frame=11372 fps= 14 q=21.0 size= 15477kB time=00:13:12.03 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x 
frame=11380 fps= 14 q=21.0 size= 15488kB time=00:13:12.59 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x 
frame=11388 fps= 14 q=21.0 size= 15493kB time=00:13:13.07 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
 Last message repeated 1 times
frame=11396 fps= 14 q=22.0 size= 15500kB time=00:13:13.61 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
 Last message repeated 3 times
frame=11404 fps= 14 q=20.0 size= 15507kB time=00:13:14.11 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
 Last message repeated 4 times
frame=11412 fps= 14 q=23.0 size= 15520kB time=00:13:14.65 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
frame=11419 fps= 14 q=20.0 size= 15527kB time=00:13:15.12 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
 Last message repeated 1 times
frame=11424 fps= 14 q=20.0 size= 15534kB time=00:13:15.46 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11431 fps= 14 q=22.0 size= 15540kB time=00:13:15.86 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11439 fps= 14 q=21.0 size= 15579kB time=00:13:16.37 bitrate= 160.3kbits/s dup=0 drop=433 speed=0.966x 
frame=11446 fps= 14 q=21.0 size= 15583kB time=00:13:16.80 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x 
......
...... 
frame=11811 fps= 14 q=21.0 size= 16022kB time=00:13:40.33 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11819 fps= 14 q=21.0 size= 16031kB time=00:13:40.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11827 fps= 14 q=21.0 size= 16041kB time=00:13:41.37 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.965x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.965x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.964x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.964x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.963x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.962x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.962x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.961x 
frame=11834 fps= 14 q=25.0 size= 16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.961x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.96x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.96x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.959x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.959x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.958x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.957x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.957x 
frame=11835 fps= 14 q=21.0 size= 16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.956x 
......
...... 
frame=11839 fps=9.0 q=22.0 size= 23189kB time=02:16:02.34 bitrate= 23.3kbits/s dup=0 drop=433 speed=6.22x 
frame=11839 fps=9.0 q=22.0 size= 23197kB time=02:16:10.66 bitrate= 23.3kbits/s dup=0 drop=433 speed=6.22x 
frame=11839 fps=9.0 q=22.0 size= 23205kB time=02:16:18.92 bitrate= 23.2kbits/s dup=0 drop=433 speed=6.23x 
frame=11839 fps=9.0 q=22.0 size= 23213kB time=02:16:27.19 bitrate= 23.2kbits/s dup=0 drop=433 speed=6.23x 
frame=11839 fps=9.0 q=22.0 size= 23221kB time=02:16:35.34 bitrate= 23.2kbits/s dup=0 drop=433 speed=6.23x 
frame=11839 fps=9.0 q=22.0 size= 23229kB time=02:16:43.67 bitrate= 23.2kbits/s dup=0 drop=433 speed=6.24x 
frame=11839 fps=9.0 q=22.0 size= 23237kB time=02:16:51.89 bitrate= 23.2kbits/s dup=0 drop=433 speed=6.24x 
frame=11839 fps=9.0 q=22.0 size= 23245kB time=02:17:00.12 bitrate= 23.2kbits/s dup=0 drop=433 speed=6.25x 
frame=11839 fps=9.0 q=22.0 size= 23253kB time=02:17:08.43 bitrate= 23.2kbits/s dup=0 drop=433 speed=6.25x 




There is a way to stops FFMPEG when this happen ?


Thanks !


-
FFMPEG keeping quality when reducing FPS and streaming over RTSP with rtsp-simple-server
25 janvier 2021, par Jens SchneiderI'm using the rtsp-simple-server (https://github.com/aler9/rtsp-simple-server) and feed the RTSP Server with a FFMPEG stream.


I use a docker compose file to start the stream :


version: "3.8"

services:

 ffmpeg:
 container_name: ffmpeg-base
 restart: always
 image: "jenssgb/rtspffmpeg:base"
 depends_on:
 - rtsp-server
 volumes:
 - $PWD/:/video
 network_mode: "host"
 command: "ffmpeg -re -stream_loop -1 -i /video/footage-1-b.mp4 -c copy -f rtsp rtsp://localhost:8554/compose-rtsp"
 
 rtsp-server:
 container_name: rtsp-server-base
 restart: always
 image: "aler9/rtsp-simple-server"
 network_mode: "host"



Now I'm trying to reduce the FPS of my video with transcoding it :


command: -re -stream_loop -1 -i ${VIDEO_FILE} -vf "fps=${FPS_COMPOSE}" -f rtsp rtsp://localhost:8554/compose-rtsp



This is basically working, but the quality of the output video becomes pretty bad. I tried a lot of things like
-c:v libx264
which did help for a minute but let ffmpeg crash then.

av_interleaved_write_frame(): Broken pipe0:00:09.99 bitrate=N/A speed=0.985x 
[rtsp @ 0x5563b1755640] Packets poorly interleaved, failed to avoid negative timestamp -33660 in stream 0.
Try -max_interleave_delta 0 as a possible workaround.
av_interleaved_write_frame(): Broken pipe
Error writing trailer of rtsp://localhost:8554/compose-rtsp: Broken pipe



Any idea how I can reduce the FPS send the stream to the server but keep the video quality ? Later I'm going to reduce the resolution as well - but for now I want to keep resolution and quality but only reduce the FPS.


Full logs from my test with
-c:v libx264
:

ffmpeg -re -stream_loop -1 -i footage-1-b.mp4 -vf "fps=5" -c:v libx264 -f rtsp rtsp://localhost:8554/compose-rtsp
ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
 configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'footage-1-b.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 title : Session streamed by "nessyMediaServer"
 encoder : Lavf58.29.100
 comment : h264_3
 Duration: 00:59:59.63, start: 0.000000, bitrate: 2099 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc), 1280x720 [SAR 1:1 DAR 16:9], 2061 kb/s, 24.96 fps, 25 tbr, 12800 tbn, 25 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 8000 Hz, mono, fltp, 35 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Stream mapping:
 Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[aac @ 0x56277bc7f840] Too many bits 8832.000000 > 6144 per frame requested, clamping to max
[libx264 @ 0x56277bbc33c0] using SAR=1/1
[libx264 @ 0x56277bbc33c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x56277bbc33c0] profile High, level 3.1
[libx264 @ 0x56277bbc33c0] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=5 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, rtsp, to 'rtsp://localhost:8554/compose-rtsp':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 title : Session streamed by "nessyMediaServer"
 comment : h264_3
 encoder : Lavf58.29.100
 Stream #0:0(und): Video: h264 (libx264), yuvj420p(pc), 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 5 fps, 90k tbn, 5 tbc (default)
 Metadata:
 handler_name : VideoHandler
 encoder : Lavc58.54.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream #0:1(und): Audio: aac (LC), 8000 Hz, mono, fltp, 48 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 encoder : Lavc58.54.100 aac
av_interleaved_write_frame(): Broken pipe0:00:09.87 bitrate=N/A speed=0.978x 
[rtsp @ 0x56277bba0640] Packets poorly interleaved, failed to avoid negative timestamp -33660 in stream 0.
Try -max_interleave_delta 0 as a possible workaround.
av_interleaved_write_frame(): Broken pipe
Error writing trailer of rtsp://localhost:8554/compose-rtsp: Broken pipe
frame= 50 fps=4.6 q=23.0 Lsize=N/A time=00:00:10.21 bitrate=N/A speed=0.947x 
video:162kB audio:8kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
[libx264 @ 0x56277bbc33c0] frame I:1 Avg QP:19.85 size:165667
[libx264 @ 0x56277bbc33c0] frame P:13 Avg QP:20.88 size:140481
[libx264 @ 0x56277bbc33c0] frame B:36 Avg QP:24.58 size: 55445
[libx264 @ 0x56277bbc33c0] consecutive B-frames: 4.0% 0.0% 0.0% 96.0%
[libx264 @ 0x56277bbc33c0] mb I I16..4: 4.4% 30.8% 64.8%
[libx264 @ 0x56277bbc33c0] mb P I16..4: 4.1% 10.6% 20.0% P16..4: 24.4% 24.8% 13.3% 0.0% 0.0% skip: 2.6%
[libx264 @ 0x56277bbc33c0] mb B I16..4: 0.8% 2.0% 4.0% B16..8: 40.3% 14.5% 5.2% direct:11.8% skip:21.4% L0:77.1% L1: 7.9% BI:14.9%
[libx264 @ 0x56277bbc33c0] 8x8 transform intra:30.1% inter:11.9%
[libx264 @ 0x56277bbc33c0] coded y,uvDC,uvAC intra: 82.5% 60.9% 26.6% inter: 55.0% 42.4% 2.7%
[libx264 @ 0x56277bbc33c0] i16 v,h,dc,p: 17% 26% 34% 23%
[libx264 @ 0x56277bbc33c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 33% 15% 3% 4% 5% 4% 3% 9%
[libx264 @ 0x56277bbc33c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 22% 13% 3% 17% 11% 5% 3% 6%
[libx264 @ 0x56277bbc33c0] i8c dc,h,v,p: 54% 25% 16% 5%
[libx264 @ 0x56277bbc33c0] Weighted P-Frames: Y:7.7% UV:7.7%
[libx264 @ 0x56277bbc33c0] ref P L0: 33.2% 11.6% 29.0% 23.9% 2.4%
[libx264 @ 0x56277bbc33c0] ref B L0: 79.6% 11.9% 8.5%
[libx264 @ 0x56277bbc33c0] ref B L1: 95.9% 4.1%
[libx264 @ 0x56277bbc33c0] kb/s:3190.34
[aac @ 0x56277bc7f840] Qavg: 65536.000
Conversion failed!



Thank you,
J