
Recherche avancée
Médias (1)
-
Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (82)
-
MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...) -
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 (...) -
Le profil des utilisateurs
12 avril 2011, parChaque utilisateur dispose d’une page de profil lui permettant de modifier ses informations personnelle. Dans le menu de haut de page par défaut, un élément de menu est automatiquement créé à l’initialisation de MediaSPIP, visible uniquement si le visiteur est identifié sur le site.
L’utilisateur a accès à la modification de profil depuis sa page auteur, un lien dans la navigation "Modifier votre profil" est (...)
Sur d’autres sites (10542)
-
avfilter/vf_yadif : Fix handing of tiny images
29 mai 2021, par Michael Niedermayer -
missing audio of second video after combining video
27 mai 2021, par JohnTerryI am trying to add
xfade
filter and the command is working but audio of second video is missing in output video.

command is -


ffmpeg -i 1.mp4 -i 1.mp4 -filter_complex "[0:v]scale=480:360:force_original_aspect_ratio=decrease,pad=480:360:-1:-1,setsar=1,fps=30,format=yuv420p[v0];[1:v]scale=480:360:force_original_aspect_ratio=decrease,pad=480:360:-1:-1,setsar=1,fps=30,format=yuv420p[v1];
[v0][v1]xfade=transition=pixelize:duration=1:offset=7,format=yuv420p" -c:v libvpx-vp9 -crf 30 -b:v 0 -b:a 128k -c:a libopus -deadline good -cpu-used 8 output.webm



the full log is below-


ffmpeg version n4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
configuration: --prefix= --prefix=/usr --disable-debug --disable-doc - 
-disable-static --enable-cuda --enable-cuda-sdk --enable-cuvid -- 
enable-libdrm --enable-ffplay --enable-gnutls --enable-gpl --enable- 
libass --enable-libfdk-aac --enable-libfontconfig --enable-libfreetype 
--enable-libmp3lame --enable-libnpp --enable-libopencore_amrnb -- 
enable-libopencore_amrwb --enable-libopus --enable-libpulse --enable-
sdl2 --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libv4l2 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxvid --enable-nonfree --enable-nvenc --enable-omx --enable-openal --enable-opencl --enable-runtime-cpudetect --enable-shared --enable-vaapi --enable-vdpau --enable-version3 --enable-xlib
 libavutil 56. 51.100 / 56. 51.100
 libavcodec 58. 91.100 / 58. 91.100
 libavformat 58. 45.100 / 58. 45.100
 libavdevice 58. 10.100 / 58. 10.100
 libavfilter 7. 85.100 / 7. 85.100
 libswscale 5. 7.100 / 5. 7.100
 libswresample 3. 7.100 / 3. 7.100
 libpostproc 55. 7.100 / 55. 7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.29.100
 Duration: 00:00:09.12, start: 0.000000, bitrate: 702 kb/s
 Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 474x360, 568 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '2.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.29.100
 Duration: 00:00:08.75, start: 0.000000, bitrate: 2546 kb/s
 Stream #1:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360, 2416 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #1:1(und): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Stream mapping:
 Stream #0:0 (h264) -> scale (graph 0)
 Stream #1:0 (h264) -> scale (graph 0)
 format (graph 0) -> Stream #0:0 (libvpx-vp9)
 Stream #0:1 -> #0:1 (mp3 (mp3float) -> opus (libopus))
Press [q] to stop, [?] for help
[libvpx-vp9 @ 0x561afcf3a280] v1.7.0
Output #0, webm, to 'output.webm':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.45.100
 Stream #0:0: Video: vp9 (libvpx-vp9), yuv420p, 480x360 [SAR 1:1 DAR 4:3], q=-1--1, 30 fps, 1k tbn, 30 tbc (default)
 Metadata:
 encoder : Lavc58.91.100 libvpx-vp9
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
 Stream #0:1(und): Audio: opus (libopus), 48000 Hz, stereo, flt, 128 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 encoder : Lavc58.91.100 libopus
frame= 87 fps=0.0 q=0.0 size= 1kB time=00:00:03.19 bitrate= 2.1kbits/sframe= 157 fps=156 q=0.0 size= 171kB time=00:00:05.51 bitrate= 254.3kbits/sframe= 227 fps=150 q=0.0 size= 171kB time=00:00:07.85 bitrate= 178.5kbits/sframe= 265 fps=131 q=0.0 size= 171kB time=00:00:08.31 bitrate= 168.7kbits/sframe= 303 fps=120 q=0.0 size= 256kB time=00:00:09.30 bitrate= 225.5kbits/sframe= 341 fps=113 q=0.0 size= 256kB time=00:00:10.56 bitrate= 198.4kbits/sframe= 379 fps=107 q=0.0 size= 256kB time=00:00:11.83 bitrate= 177.2kbits/sframe= 416 fps=103 q=0.0 size= 256kB time=00:00:13.06 bitrate= 160.5kbits/sframe= 454 fps=100 q=0.0 size= 256kB time=00:00:14.33 bitrate= 146.3kbits/sframe= 472 fps= 93 q=0.0 Lsize= 1168kB time=00:00:15.73 bitrate= 608.2kbits/s speed=3.09x 
video:1036kB audio:125kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.629681%



when using online url which has no audio getting this error-
getting this error-


ffmpeg version n4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
 configuration: --prefix= --prefix=/usr --disable-debug --disable-doc --disable-static --enable-cuda --enable-cuda-sdk --enable-cuvid --enable-libdrm --enable-ffplay --enable-gnutls --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfontconfig --enable-libfreetype --enable-libmp3lame --enable-libnpp --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopus --enable-libpulse --enable-sdl2 --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libv4l2 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxvid --enable-nonfree --enable-nvenc --enable-omx --enable-openal --enable-opencl --enable-runtime-cpudetect --enable-shared --enable-vaapi --enable-vdpau --enable-version3 --enable-xlib
 libavutil 56. 51.100 / 56. 51.100
 libavcodec 58. 91.100 / 58. 91.100
 libavformat 58. 45.100 / 58. 45.100
 libavdevice 58. 10.100 / 58. 10.100
 libavfilter 7. 85.100 / 7. 85.100
 libswscale 5. 7.100 / 5. 7.100
 libswresample 3. 7.100 / 3. 7.100
 libpostproc 55. 7.100 / 55. 7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://player.vimeo.com/external/183300180.sd.mp4?s=8d9b1561f39df586af49fe5ab105f57f5873854b&profile_id=164':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: mp42mp41isomavc1
 creation_time : 2016-09-19T12:39:02.000000Z
 Duration: 00:00:10.00, start: 0.000000, bitrate: 489 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt470bg/smpte170m/bt470bg), 640x360 [SAR 1:1 DAR 16:9], 486 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc (default)
 Metadata:
 creation_time : 2016-09-19T12:39:02.000000Z
 handler_name : L-SMASH Video Handler
 encoder : AVC Coding
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'https://player.vimeo.com/external/166335878.sd.mp4?s=828bf6e8594fab383d7ee6bac40d3f247cc40af9&profile_id=164':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: mp42mp41isomavc1
 creation_time : 2016-05-12T09:34:11.000000Z
 Duration: 00:00:10.01, start: 0.000000, bitrate: 479 kb/s
 Stream #1:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt470bg/smpte170m/bt470bg), 474x360 [SAR 1:1 DAR 79:60], 345 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc (default)
 Metadata:
 creation_time : 2016-05-12T09:34:11.000000Z
 handler_name : L-SMASH Video Handler
 encoder : AVC Coding
 Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2016-05-12T09:34:11.000000Z
 handler_name : L-SMASH Audio Handler
Stream specifier ':a' in filtergraph description [0:v]scale=614:360:force_original_aspect_ratio=decrease,pad=614:360:-1:-1,setsar=1,fps=30,format=yuv420p[v0];[1:v]scale=614:360:force_original_aspect_ratio=decrease,pad=614:360:-1:-1,setsar=1,fps=30,format=yuv420p[v1];[v0][v1]xfade=transition=pixelize:duration=1:offset=8,format=yuv420p;[0:a][1:a]acrossfade=d=0 matches no streams.



-
ffmpeg save video H.265 from rtsp but i can't open it
14 juin 2021, par Сергей БрандуковBy mistake on the IP camera in the settings there was a value of the H.265 codec (should be h.264)


# ffmpeg -i rtsp://admin:admin@192.168.100.22:554/main -y -c:v copy /home/ubuntu/Video/8/tst_256.mp4
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
[hevc @ 0x55e8744be3c0] Invalid NAL unit 0, skipping.
[hevc @ 0x55e8744be3c0] VPS 0 does not exist
[hevc @ 0x55e8744be3c0] Invalid NAL unit 0, skipping.
[hevc @ 0x55e8744be3c0] VPS 0 does not exist
[rtsp @ 0x55e8744ba6c0] max delay reached. need to consume packet
[rtsp @ 0x55e8744ba6c0] RTP: missed 84 packets
Input #0, rtsp, from 'rtsp://admin:admin@192.168.100.22:554/main':
 Metadata:
 title : RTSP/RTP stream from IPNC
 comment : main
 Duration: N/A, start: 0.000000, bitrate: N/A
 Stream #0:0: Video: hevc (Main), yuvj420p(pc, bt709), 2048x1536, 50 tbr, 90k tbn, 90k tbc
 Stream #0:1: Data: none
 Stream #0:2: Data: none
Output #0, mp4, to '/home/ubuntu/Video/8/tst_256.mp4':
 Metadata:
 title : RTSP/RTP stream from IPNC
 comment : main
 encoder : Lavf58.29.100
 Stream #0:0: Video: hevc (Main) (hev1 / 0x31766568), yuvj420p(pc, bt709), 2048x1536, q=2-31, 50 tbr, 90k tbn, 90k tbc
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[mp4 @ 0x55e874532440] 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 @ 0x55e874532440] 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 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 1, current: 0; changing to 2. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 216000, current: 110136; changing to 216001. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 216001, current: 124536; changing to 216002. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 216002, current: 146226; changing to 216003. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 216003, current: 160536; changing to 216004. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 216004, current: 175026; changing to 216005. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 216005, current: 200136; changing to 216006. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 216006, current: 214536; changing to 216007. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55e874532440] Non-monotonous DTS in output stream 0:0; previous: 855816, current: 851365; changing to 855817. This may result in incorrect timestamps in the output file.
frame= 100 fps=6.6 q=-1.0 Lsize= 10247kB time=00:00:18.03 bitrate=4653.6kbits/s speed=1.19x 
video:10245kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.021781%
Exiting normally, received signal 2.



there is a file, the size is not empty, the video player shows a black screen, I also can not make out the video into frames


# ffmpeg -i tst_256.mp4 -q:v 1 -r 1 1/%05d.jpg
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
[AVBSFContext @ 0x555c46ce3540] No start code is found.
tst_256.mp4: could not find codec parameters
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'tst_256.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2mp41
 title : RTSP/RTP stream from IPNC
 encoder : Lavf58.29.100
 comment : main
 Duration: 00:00:18.04, bitrate: N/A
 Stream #0:0(und): Video: hevc (hev1 / 0x31766568), none, 2048x1536, 4652 kb/s, 5.54 fps, 90k tbn (default)
 Metadata:
 handler_name : VideoHandler
Stream mapping:
 Stream #0:0 -> #0:0 (hevc (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[hevc @ 0x555c46cf6dc0] No start code is found.
[hevc @ 0x555c46cf6dc0] Error splitting the input into NAL units.
[hevc @ 0x555c46d07300] No start code is found.
[hevc @ 0x555c46d07300] Error splitting the input into NAL units.
[hevc @ 0x555c46d17d00] No start code is found.
[hevc @ 0x555c46d17d00] Error splitting the input into NAL units.
[hevc @ 0x555c46d286c0] No start code is found.
[hevc @ 0x555c46d286c0] Error splitting the input into NAL units.
[hevc @ 0x555c46d39000] No start code is found.
[hevc @ 0x555c46d39000] Error splitting the input into NAL units.
[hevc @ 0x555c46d499c0] No start code is found.
[hevc @ 0x555c46d499c0] Error splitting the input into NAL units.
[hevc @ 0x555c46d5a400] No start code is found.
[hevc @ 0x555c46d5a400] Error splitting the input into NAL units.
[hevc @ 0x555c46d6ae40] No start code is found.
...
hevc @ 0x555c46cf6dc0] No start code is found.
[hevc @ 0x555c46cf6dc0] Error splitting the input into NAL units.
Error while decoding stream #0:0: Invalid data found when processing input
 Last message repeated 7 times
Cannot determine format of input stream 0:0 after EOF
Error marking filters as finished



Is it possible to somehow extract frames from this video or the video stream was not saved ?