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Autres articles (102)
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Multilang : améliorer l’interface pour les blocs multilingues
18 février 2011, parMultilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela. -
Gestion générale des documents
13 mai 2011, parMédiaSPIP ne modifie jamais le document original mis en ligne.
Pour chaque document mis en ligne il effectue deux opérations successives : la création d’une version supplémentaire qui peut être facilement consultée en ligne tout en laissant l’original téléchargeable dans le cas où le document original ne peut être lu dans un navigateur Internet ; la récupération des métadonnées du document original pour illustrer textuellement le fichier ;
Les tableaux ci-dessous expliquent ce que peut faire MédiaSPIP (...) -
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 (...)
Sur d’autres sites (11211)
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FFMPEG : i need audio channels 7 & 8 to be the main audio track for a video
10 avril 2013, par lo_fyeI have a video with 8 channels of audio.
I need tracks 7 (Left Stereo) and 8 (Right Stereo) to be the audio for the video (which I'm converting to flv).
I've tried playing with
-filter_complexand thejoin,amix, andamergefilters, as well as the-mapparameter, but I can't seem to find the right combination of values :-/Output :
/usr/local/bin/ffmpeg-1.0/bin/ffmpeg -i '/folder/video_name.mov' -f 'flv' \
-s '320x240' -b '250k' -aspect '4:3' -ac 1 -ab '64k' -ar '22050' -y \
/folder/video_name.flv
ffmpeg version N-46241-g09ea482 Copyright (c) 2000-2012 the FFmpeg developers
built on Nov 5 2012 07:33:09 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-46)
configuration: --prefix=/usr/local/bin/ffmpeg-1.0
libavutil 52. 1.100 / 52. 1.100
libavcodec 54. 70.100 / 54. 70.100
libavformat 54. 35.100 / 54. 35.100
libavdevice 54. 3.100 / 54. 3.100
libavfilter 3. 21.105 / 3. 21.105
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 16.100 / 0. 16.100
Guessed Channel Layout for Input Stream #0.1 : mono
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Guessed Channel Layout for Input Stream #0.4 : mono
Guessed Channel Layout for Input Stream #0.5 : mono
Guessed Channel Layout for Input Stream #0.6 : mono
Guessed Channel Layout for Input Stream #0.7 : mono
Guessed Channel Layout for Input Stream #0.8 : mono
Guessed Channel Layout for Input Stream #0.9 : mono
Guessed Channel Layout for Input Stream #0.10 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/folder/video_name.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2013-04-03 19:45:26
Duration: 00:00:39.03, start: 0.000000, bitrate: 122149 kb/s
Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le, 1920x1080, 110585 kb/s, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 23976 tbn, 23976 tbc
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
timecode : 00:59:53:00
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:4(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:5(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:6(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:7(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:8(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:9(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:10(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream #0:11(eng): Data: none (tmcd / 0x64636D74)
Metadata:
creation_time : 2013-04-03 19:45:30
handler_name : Apple Alias Data Handler
timecode : 00:59:53:00
Please use -b:a or -b:v, -b is ambiguous
Output #0, flv, to '/folder/video_name.flv':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
encoder : Lavf54.35.100
Stream #0:0(eng): Video: flv1 ([2][0][0][0] / 0x0002), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 250 kb/s, 1k tbn, 23.98 tbc
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
timecode : 00:59:53:00
Stream #0:1(eng): Audio: adpcm_swf ([1][0][0][0] / 0x0001), 22050 Hz, mono, s16, 88 kb/s
Metadata:
creation_time : 2013-04-03 19:45:26
handler_name : Apple Alias Data Handler
Stream mapping:
Stream #0:0 -> #0:0 (prores -> flv)
Stream #0:1 -> #0:1 (pcm_s24le -> adpcm_swf)
Press [q] to stop, [?] for help
frame= 33 fps=0.0 q=2.0 size= 108kB time=00:00:01.99 bitrate= 442.4kbits/s
frame= 66 fps= 65 q=2.0 size= 225kB time=00:00:02.97 bitrate= 619.0kbits/s
frame= 99 fps= 65 q=2.0 size= 341kB time=00:00:04.96 bitrate= 561.8kbits/s
frame= 136 fps= 67 q=2.0 size= 400kB time=00:00:05.99 bitrate= 547.5kbits/s
frame= 177 fps= 70 q=3.0 size= 482kB time=00:00:07.98 bitrate= 494.3kbits/s
frame= 210 fps= 69 q=3.7 size= 590kB time=00:00:08.96 bitrate= 539.7kbits/s
frame= 240 fps= 68 q=6.3 size= 660kB time=00:00:10.01 bitrate= 539.7kbits/s
frame= 264 fps= 65 q=6.7 size= 719kB time=00:00:11.01 bitrate= 535.2kbits/s
frame= 288 fps= 63 q=8.4 size= 772kB time=00:00:12.02 bitrate= 526.1kbits/s
frame= 312 fps= 62 q=15.4 size= 829kB time=00:00:13.65 bitrate= 497.4kbits/s
frame= 336 fps= 60 q=10.4 size= 875kB time=00:00:14.02 bitrate= 511.1kbits/s
frame= 360 fps= 59 q=10.6 size= 916kB time=00:00:15.01 bitrate= 499.9kbits/s
frame= 383 fps= 58 q=17.8 size= 957kB time=00:00:15.97 bitrate= 490.6kbits/s
frame= 411 fps= 58 q=6.5 size= 1008kB time=00:00:17.97 bitrate= 459.3kbits/s
frame= 437 fps= 57 q=9.7 size= 1046kB time=00:00:18.99 bitrate= 451.3kbits/s
frame= 460 fps= 57 q=7.7 size= 1086kB time=00:00:20.01 bitrate= 444.6kbits/s
frame= 489 fps= 57 q=11.3 size= 1144kB time=00:00:20.99 bitrate= 446.3kbits/s
frame= 512 fps= 56 q=10.3 size= 1182kB time=00:00:22.01 bitrate= 439.8kbits/s
frame= 535 fps= 55 q=21.5 size= 1225kB time=00:00:22.98 bitrate= 436.7kbits/s
frame= 564 fps= 55 q=18.3 size= 1280kB time=00:00:24.00 bitrate= 436.8kbits/s
frame= 587 fps= 55 q=8.5 size= 1311kB time=00:00:24.98 bitrate= 429.7kbits/s
frame= 610 fps= 54 q=11.9 size= 1349kB time=00:00:26.00 bitrate= 424.9kbits/s
frame= 636 fps= 54 q=7.5 size= 1383kB time=00:00:26.98 bitrate= 419.8kbits/s
frame= 659 fps= 54 q=9.6 size= 1421kB time=00:00:28.00 bitrate= 415.6kbits/s
frame= 683 fps= 54 q=20.0 size= 1471kB time=00:00:29.02 bitrate= 415.1kbits/s
frame= 711 fps= 54 q=6.4 size= 1518kB time=00:00:30.00 bitrate= 414.5kbits/s
frame= 742 fps= 54 q=6.2 size= 1558kB time=00:00:31.02 bitrate= 411.5kbits/s
frame= 774 fps= 54 q=2.5 size= 1601kB time=00:00:33.01 bitrate= 397.1kbits/s
frame= 816 fps= 55 q=2.0 size= 1632kB time=00:00:34.50 bitrate= 387.6kbits/s
frame= 861 fps= 56 q=2.0 size= 1670kB time=00:00:35.99 bitrate= 380.1kbits/s
frame= 905 fps= 57 q=2.0 size= 1706kB time=00:00:38.03 bitrate= 367.4kbits/s
frame= 936 fps= 58 q=2.0 Lsize= 1730kB time=00:00:39.05 bitrate= 362.8kbits/s
video:1278kB audio:423kB subtitle:0 global headers:0kB muxing overhead 1.654557% -
Using FFMPEG to reliably convert videos to mp4 for iphone/ipod and flash players
23 avril 2016, par Jake StevensonI need to convert videos for use in both a flash player and the iphone/ipod touch. I’m using the following batch script with ffmpeg :
@echo off
ffmpeg.exe -i %1 -s qvga -acodec libfaac -ar 22050 -ab 128k -vcodec libx264 -threads 0 -f ipod %2This always outputs an mp4 file, and I can always play it on my PC. The videos also seem to play fine on my iphone 3GS. But with some input files it won’t work for older iphone versions (3G and iPod touch).
Here’s the ffmpeg output from one such file :
D:\ffmpeg>encode.bat d:\temp\recording.flv d:\temp\out.m4v
FFmpeg version SVN-r18709, Copyright (c) 2000-2009 Fabrice Bellard, et al.
configuration: --enable-memalign-hack --prefix=/mingw --cross-prefix=i686-ming
w32- --cc=ccache-i686-mingw32-gcc --target-os=mingw32 --arch=i686 --cpu=i686 --e
nable-avisynth --enable-gpl --enable-zlib --enable-bzlib --enable-libgsm --enabl
e-libfaac --enable-libfaad --enable-pthreads --enable-libvorbis --enable-libtheo
ra --enable-libspeex --enable-libmp3lame --enable-libopenjpeg --enable-libxvid -
-enable-libschroedinger --enable-libx264
libavutil 50. 3. 0 / 50. 3. 0
libavcodec 52.27. 0 / 52.27. 0
libavformat 52.32. 0 / 52.32. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0. 7. 1 / 0. 7. 1
built on Apr 28 2009 04:04:42, gcc: 4.2.4
[flv @ 0x187d650]skipping flv packet: type 18, size 164, flags 0
Input #0, flv, from 'd:\temp\recording.flv':
Duration: 00:00:07.17, start: 0.001000, bitrate: N/A
Stream #0.0: Video: flv, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc
Stream #0.1: Audio: nellymoser, 44100 Hz, mono, s16
[libx264 @ 0x13518b0]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE
4.2
[libx264 @ 0x13518b0]profile Baseline, level 4.2
Output #0, ipod, to 'd:\temp\out.m4v':
Stream #0.0: Video: libx264, yuv420p, 320x240, q=2-31, 200 kb/s, 1k tbn, 1k
tbc
Stream #0.1: Audio: libfaac, 22050 Hz, mono, s16, 128 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop encoding
frame= 90 fps= 0 q=-1.0 Lsize= 128kB time=6.87 bitrate= 152.4kbits/s
video:92kB audio:32kB global headers:1kB muxing overhead 2.620892%
[libx264 @ 0x13518b0]slice I:8 Avg QP:29.62 size: 7047
[libx264 @ 0x13518b0]slice P:82 Avg QP:30.83 size: 467
[libx264 @ 0x13518b0]mb I I16..4: 17.9% 0.0% 82.1%
[libx264 @ 0x13518b0]mb P I16..4: 0.6% 0.0% 0.0% P16..4: 23.1% 0.0% 0.0%
0.0% 0.0% skip:76.3%
[libx264 @ 0x13518b0]final ratefactor: 57.50
[libx264 @ 0x13518b0]SSIM Mean Y:0.9544735
[libx264 @ 0x13518b0]kb/s:8412.6My suspicion is that it has something to do with the audio encoding. If so, does anyone know how to force it to reencode the audio to the proper format ?
Any other ideas ?
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Transcoding a video from GoToMeeting WMV to MP4 using FFMPEG on Windows locks up dos window [migrated]
22 août 2011, par RyanI've been tasked with converting some pre-recorded GoToMeeting videos from wmv to mp4 format. I've got the GoToMeeting transcoder app available from Citrix (g2mtranscoder.exe) that takes the source wmv and makes it so that ffmpeg can work with the wmv. The problem I have is when I then try and take that wmv and transcode it to mp4.
I'm using the latest pre-compiled static version of ffmpeg for Windows from here http://ffmpeg.zeranoe.com/builds/
Here is the command line I'm using to begin the conversion :
"C:\ffmpeg\ffmpeg.exe" -i "999_1366_768_g2m_transcoded.wmv" -f "mp4" -b "1000k" -r "30" -ab "128k" -ar "22050" -s "1366x768" -strict "experimental" -y "999.mp4"Here is FFMPEG's output. The last line is where the dos window seems to stop executing/locks up (when I say lock up I mean just the dos window is locked up, not the entire machine) :
ffmpeg version N-31932-g41bf67d, Copyright (c) 2000-2011 the FFmpeg developers built on Aug 16 2011 18:54:12 with gcc 4.6.1
configuration: --enable-gpl --enable-version3 --enable-memalign-hack --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 51. 12. 0 / 51. 12. 0
libavcodec 53. 10. 0 / 53. 10. 0
libavformat 53. 7. 0 / 53. 7. 0
libavdevice 53. 3. 0 / 53. 3. 0
libavfilter 2. 31. 1 / 2. 31. 1
libswscale 2. 0. 0 / 2. 0. 0
libpostproc 51. 2. 0 / 51. 2. 0
[asf @ 01BBB600] max_analyze_duration 5000000 reached at 5194000
Seems stream 1 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 59.92 (719/12)
Input #0, asf, from 'D:\Inetpub\g2m\Transcoding\999_1366_768_g2m_transcoded.wmv':
Metadata:
WMFSDKVersion : 10.00.00.4007
WMFSDKNeeded : 0.0.0.0000
IsVBR : 1
VBR Peak : 4403
Buffer Average : 1470
WM/ToolVersion : 4.8 Build 723
WM/ToolName : GoToMeeting
BitRateFrom the writer: 1553
Audio samples : 6221
Video samples : 3455
recording time : Mon, 22 Aug 2011 11:48:42 Eastern Daylight Time
Duration: 00:38:30.71, start: 0.000000, bitrate: 160 kb/s
Stream #0.0: Audio: wmav2, 44100 Hz, 1 channels, s16, 48 kb/s
Stream #0.1: Video: wmv3 (Main), yuv420p, 1366x768, 2154 kb/s, 59.92 tbr, 1k tbn, 1k tbc
[buffer @ 01BBC120] w:1366 h:768 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
Output #0, mp4, to '\\nas4\FMS_APPLICATIONS\SVC\sk12\webinars\999.mp4':
Metadata:
WMFSDKVersion : 10.00.00.4007
WMFSDKNeeded : 0.0.0.0000
IsVBR : 1
VBR Peak : 4403
Buffer Average : 1470
WM/ToolVersion : 4.8 Build 723
WM/ToolName : GoToMeeting
BitRateFrom the writer: 1553
Audio samples : 6221
Video samples : 3455
recording time : Mon, 22 Aug 2011 11:48:42 Eastern Daylight Time
encoder : Lavf53.7.0
Stream #0.0: Video: mpeg4, yuv420p, 1366x768, q=2-31, 1000 kb/s, 30 tbn, 30 tbc
Stream #0.1: Audio: aac, 22050 Hz, 1 channels, s16, 128 kb/s
Stream mapping:
Stream #0.1 -> #0.0
Stream #0.0 -> #0.1
Press [q] to stop, [?] for help
frame= 149 fps= 63 q=23.5 size= 1103kB time=00:00:04.96 bitrate=1818.6kbits/s dup=144 drop=0Does anyone have any idea why it's locking up the dos window and essentially failing to convert the file to mp4 ? I had a friend test it on a linux box and he was able to convert the video just fine.
Thanks
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