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  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • Le plugin : Podcasts.

    14 juillet 2010, par

    Le problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
    Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
    Types de fichiers supportés dans les flux
    Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

Sur d’autres sites (5337)

  • Anomalie #4369 : YQL n’est plus actif

    7 août 2019, par Ybbet SPIP

    Malheureusement, il n’existe de solution en ligne permettant de reproduire le service de YQL. Je n’ai rien trouvé de concluant online.
    Mais oui, je suis d’accord, quand une solution alternative sera trouvée, un plugin et zou ! ;-)

  • Anomalie #4364 : MYSQL 5.7 - Erreurs avec les dates à 0

    2 août 2019, par cedric -

    Mais le problème principal c’est qu’on utilise aussi des dates floues de type 2019-06-00 ou meme 2019-00-00 quand le jour ou le mois ne sont pas connus.
    Ce n’est pas accepté non plus par le mode strict de mySQL mais pour le coup c’est bien plus compliqué à gérer pour ne pas perdre la feature
    Chez moi j’ai changé le sql mode par défaut dans le my.ini (ou équivalent mariaDB)

  • Truncated videos in multi input multi output ffmpeg command

    1er août 2019, par Bhupendra Fatnani

    I am trying to copy videos from a CCTV DVR server (6 channels) using rtsp. How do I optimize my ffmpeg command ?

    Below is the configuration :

    ffmpeg version : ffmpeg-4.1.4-win64-static
    CPU : Intel Core i7-8650U @1.9 GHz 2.11 GHz
    RAM : 16 GB

    When I try to download from 3 channels, the videos seem to download fine, but when I use >=4 channels simultaneously, the video from channel 1 truncates almost after about 5 secs, and the output files are much smaller from channel 2 to 4, channel 5 video output has no issues.

    For e.g. here are the output file sizes according to channels.

    Channel 1 : 1.7 MB (truncated)
    
Channel 2 : 27.5 MB (approx 5 secs video loss in the beginning)
    
Channel 3 : 28.5 MB (approx 3-4 secs loss)
    
channel 4 : 29.5 MB (approx 2 secs loss)
    
Channel 5 : 30 MB (no issues found)

    Below is the command I am trying to use to download.

    ffmpeg -rtsp_transport tcp -thread_queue_size 1024 -i rtsp://<input url="url" 1="1" /> -thread_queue_size 1024 -i rtsp://<input url="url" 2="2" /> -thread_queue_size 1024 -i rtsp://<input url="url" 3="3" /> -thread_queue_size 1024 -i rtsp://<input url="url" 4="4" /> -thread_queue_size 1024 -i rtsp://<input url="url" 5="5" /> -map 0 -vcodec copy -t 60 -y outputfile1.mp4 -map 1 -vcodec copy -t 60 -y outputfile2.mp4 -map 2 -vcodec copy -t 60 -y outputfile3.mp4 -map 3 -vcodec copy -t 60 -y outputfile4.mp4 -map 4 -vcodec copy -t 60 -y outputfile5.mp4

    Below is the actual output :

    ffmpeg version 4.1.4 Copyright (c) 2000-2019 the FFmpeg developers
    
  built with gcc 9.1.1 (GCC) 20190716
    
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --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-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
    
  libavutil      56. 22.100 / 56. 22.100
    
  libavcodec     58. 35.100 / 58. 35.100
    
  libavformat    58. 20.100 / 58. 20.100
    
  libavdevice    58.  5.100 / 58.  5.100
    
  libavfilter     7. 40.101 /  7. 40.101
    
  libswscale      5.  3.100 /  5.  3.100
    
  libswresample   3.  3.100 /  3.  3.100
    
  libpostproc    55.  3.100 / 55.  3.100
    
Input #0, rtsp, from 'rtsp://<input url="url" title="title" n="n" />A, start: 0.080000, bitrate: N/A
    
    Stream #0:0: Video: h264 (High), yuv420p(progressive), 1920x1080, 25 tbr, 90k tbn, 180k tbc
    
[udp @ 000001f27c6fffc0] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[udp @ 000001f27c74f400] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[rtsp @ 000001f27c721f40] max delay reached. need to consume packet
    
[rtsp @ 000001f27c721f40] RTP: missed 15 packets
    
[h264 @ 000001f27d627ac0] error while decoding MB 71 49, bytestream -6
    
[h264 @ 000001f27d627ac0] concealing 2258 DC, 2258 AC, 2258 MV errors in P frame
    
[h264 @ 000001f27d627ac0] Increasing reorder buffer to 1
    
Input #1, rtsp, from 'rtsp://<input url="url" title="title" n="n" />A, start: 0.040000, bitrate: N/A
    
    Stream #1:0: Video: h264 (High), yuv420p(progressive), 1920x1080, 25 tbr, 90k tbn, 180k tbc
    
[udp @ 000001f27c6ffc40] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[udp @ 000001f27d2dc180] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[rtsp @ 000001f27d2db700] max delay reached. need to consume packet
    
[rtsp @ 000001f27d2db700] RTP: missed 15 packets
    
[h264 @ 000001f27d2dbd00] concealing 7337 DC, 7337 AC, 7337 MV errors in P frame
    
[h264 @ 000001f27d2dbd00] Increasing reorder buffer to 1
    
Input #2, rtsp, from '<input url="url" title="title" n="n" />A, start: 0.080000, bitrate: N/A
    
    Stream #2:0: Video: h264 (High), yuv420p(progressive), 1920x1080, 25 tbr, 90k tbn, 180k tbc
    
[udp @ 000001f27c6ffd00] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[udp @ 000001f27d302bc0] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[rtsp @ 000001f27cfe9200] max delay reached. need to consume packet
    
[rtsp @ 000001f27cfe9200] RTP: missed 44 packets
    
[h264 @ 000001f27cfe6c40] error while decoding MB 41 24, bytestream -8
    
[h264 @ 000001f27cfe6c40] concealing 5288 DC, 5288 AC, 5288 MV errors in P frame
    
[h264 @ 000001f27cfe6c40] Increasing reorder buffer to 1
    
Input #3, rtsp, from '<input url="url" title="title" n="n" />A, start: 0.080000, bitrate: N/A
    
    Stream #3:0: Video: h264 (High), yuv420p(progressive), 1920x1080, 25 tbr, 90k tbn, 180k tbc
    
[udp @ 000001f27cfe0940] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[udp @ 000001f27dd1bec0] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
    
[rtsp @ 000001f27daaf040] max delay reached. need to consume packet
    
[rtsp @ 000001f27daaf040] RTP: missed 107 packets
    
[h264 @ 000001f27dc05040] concealing 1340 DC, 1340 AC, 1340 MV errors in P frame
    
[rtsp @ 000001f27daaf040] max delay reached. need to consume packet
    
[rtsp @ 000001f27daaf040] RTP: missed 28 packets
    
[h264 @ 000001f27dc05040] Increasing reorder buffer to 1
    
[h264 @ 000001f27dc05040] concealing 6961 DC, 6961 AC, 6961 MV errors in P frame
    
[rtsp @ 000001f27daaf040] max delay reached. need to consume packet
    
[rtsp @ 000001f27daaf040] RTP: missed 53 packets
    
[h264 @ 000001f27dc05040] error while decoding MB 16 40, bytestream -18
    
[h264 @ 000001f27dc05040] concealing 3393 DC, 3393 AC, 3393 MV errors in I frame
    
Input #4, rtsp, from 'rtsp://<input url="url" title="title" n="n" />A, start: 0.120000, bitrate: N/A
    
    Stream #4:0: Video: h264 (High), yuv420p(progressive), 1920x1080, 25 tbr, 90k tbn, 180k tbc
    
Output #0, mp4, to 'outputfile1.mp4':
    
  Metadata:
    
    title           : -
    
    encoder         : Lavf58.20.100
    
    Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080, q=2-31, 25 tbr, 90k tbn, 90k tbc
    
Output #1, mp4, to 'outputfile2.mp4':
    
  Metadata:
    
    title           : -
    
    encoder         : Lavf58.20.100
    
    Stream #1:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080, q=2-31, 25 tbr, 90k tbn, 90k tbc
    
Output #2, mp4, to 'outputfile3.mp4':
    
  Metadata:
    
    title           : -
    
    encoder         : Lavf58.20.100
    
    Stream #2:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080, q=2-31, 25 tbr, 90k tbn, 90k tbc
    
Output #3, mp4, to 'outputfile4.mp4':
    
  Metadata:
    
    title           : -
    
    encoder         : Lavf58.20.100
    
    Stream #3:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080, q=2-31, 25 tbr, 90k tbn, 90k tbc
    
Output #4, mp4, to 'outputfile5.mp4':
    
  Metadata:
    
    title           : -
    
    encoder         : Lavf58.20.100
    
    Stream #4:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080, q=2-31, 25 tbr, 90k tbn, 90k tbc
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #1:0 -> #1:0 (copy)
    
  Stream #2:0 -> #2:0 (copy)
    
  Stream #3:0 -> #3:0 (copy)
    
  Stream #4:0 -> #4:0 (copy)
    
Press [q] to stop, [?] for help
    
[mp4 @ 000001f27dd0d8c0] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
    
[mp4 @ 000001f27dd09040] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
    
[mp4 @ 000001f27dd09040] pts has no value
    
[mp4 @ 000001f27dc054c0] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
    
[mp4 @ 000001f27dc054c0] pts has no value
    
[mp4 @ 000001f27ddf86c0] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
    
[mp4 @ 000001f27ddf86c0] pts has no value
    
[mp4 @ 000001f27c743b00] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
    
[mp4 @ 000001f27c743b00] pts has no value
    
[mp4 @ 000001f27dd0d8c0] Non-monotonous DTS in output stream 0:0; previous: 0, current: 0; changing to 1. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27dd09040] Non-monotonous DTS in output stream 1:0; previous: 0, current: 0; changing to 1. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27dc054c0] Non-monotonous DTS in output stream 2:0; previous: 0, current: 0; changing to 1. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27ddf86c0] Non-monotonous DTS in output stream 3:0; previous: 0, current: 0; changing to 1. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27c743b00] Non-monotonous DTS in output stream 4:0; previous: 0, current: 0; changing to 1. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27dd09040] Non-monotonous DTS in output stream 1:0; previous: 1, current: 0; changing to 2. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27dc054c0] Non-monotonous DTS in output stream 2:0; previous: 1, current: 0; changing to 2. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27ddf86c0] Non-monotonous DTS in output stream 3:0; previous: 1, current: 0; changing to 2. This may result in incorrect timestamps in the output file.
    
[mp4 @ 000001f27c743b00] Non-monotonous DTS in output stream 4:0; previous: 1, current: 0; changing to 2. This may result in incorrect timestamps in the output file.
    
[rtsp @ 000001f27d2db700] max delay reached. need to consume packet
    
[rtsp @ 000001f27d2db700] RTP: missed 1644 packets
    
[rtsp @ 000001f27c721f40] max delay reached. need to consume packet
    
[rtsp @ 000001f27c721f40] RTP: missed 2461 packets
    
[rtsp @ 000001f27cfe9200] max delay reached. need to consume packet
    
[rtsp @ 000001f27cfe9200] RTP: missed 733 packets
    
frame=   46 fps=0.8 q=-1.0 Lq=-1.0 q=-1.0 q=-1.0 q=-1.0 size=    1790kB time=00:00:59.99 bitrate= 244.4kbits/s speed=1.04x
    
video:119011kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown

    Could somebody please help me optimize the ffmpeg command ?

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