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Autres articles (44)
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Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Emballe Médias : Mettre en ligne simplement des documents
29 octobre 2010, parLe plugin emballe médias a été développé principalement pour la distribution mediaSPIP mais est également utilisé dans d’autres projets proches comme géodiversité par exemple. Plugins nécessaires et compatibles
Pour fonctionner ce plugin nécessite que d’autres plugins soient installés : CFG Saisies SPIP Bonux Diogène swfupload jqueryui
D’autres plugins peuvent être utilisés en complément afin d’améliorer ses capacités : Ancres douces Légendes photo_infos spipmotion (...)
Sur d’autres sites (7967)
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ffmpeg php - shell_exec returns Permission Denied
21 juin 2013, par Sotiris Akis Mitracosi'm integrating ffmpeg into my php webapp (on a windows server). Calling the library through shell_exec like this
$out_shell = shell_exec("$ffmpeg myfile.avi 2>&1");i receive the following output :
ffmpeg version N-54117-gf9739a3 Copyright (c) 2000-2013 the FFmpeg developers
built on Jun 19 2013 23:42:15 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth -- enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 52. 37.101 / 52. 37.101
libavcodec 55. 16.100 / 55. 16.100
libavformat 55. 9.100 / 55. 9.100
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 77.101 / 3. 77.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
C:\ffmpeg: Permission deniedwhat's wrong with the code ? if i run ffmpeg myfile.avi 2>&1 in cmd, I can also read video's meta-data.
Could anybody help me ?
thank you -
How to detect anamorphic video with FFProbe ?
29 mai 2015, par FlavorScapeThis is the output I get using FFProbe for a video I’m certain is anamorphic. I’ve converted it as a test with ffmpeg and the results are consistent with the video having a different PAR and DAR (video is squished). I ran some command line params to fix anamorphic video and it worked. Possibly my diagnosis is incorrect, the PAR and DAR are just plain wrong ?
The code I used to "correct" the anamamorphic is
--custom-anamorphic --display-width 1280 --keep-display-aspect --modulus 8 --crop 0:0:0:0Is there an additional command with FFProbe to detect for anamorphic ? So far I’m just seeing if the sample_aspect_ratio and display_aspect_ratio are the same or not.
Additionally, a ratio of 0:1 seems incorrect. My video is not infinitely wide. Is there a bug with FFProbe output ?
This is the command
-print_format json -show_format -show_streams {originalFilePath}FFProbe version N-54233-g86190af built on Jun 27 2013 outputs the following :
"Output{
\"streams\": [
{
\"index\": 0,
\"codec_name\": \"h264\",
\"codec_long_name\": \"H.264/AVC/MPEG-4AVC/MPEG-4part10\",
\"profile\": \"Main\",
\"codec_type\": \"video\",
\"codec_time_base\": \"1/5994\",
\"codec_tag_string\": \"avc1\",
\"codec_tag\": \"0x31637661\",
\"width\": 1280,
\"height\": 720,
\"has_b_frames\": 0,
\"sample_aspect_ratio\": \"0: 1\",
\"display_aspect_ratio\": \"0: 1\",
\"pix_fmt\": \"yuv420p\",
\"level\": 31,
\"r_frame_rate\": \"2997/100\",
\"avg_frame_rate\": \"2997/100\",
\"time_base\": \"1/2997\",
\"start_pts\": 0,
\"start_time\": \"0.000000\",
\"duration_ts\": 204100,
\"duration\": \"68.101435\",
\"bit_rate\": \"3894381\",
\"nb_frames\": \"2041\",
\"disposition\": {
\"default\": 0,
\"dub\": 0,
\"original\": 0,
\"comment\": 0,
\"lyrics\": 0,
\"karaoke\": 0,
\"forced\": 0,
\"hearing_impaired\": 0,
\"visual_impaired\": 0,
\"clean_effects\": 0,
\"attached_pic\": 0
},
\"tags\": {
\"creation_time\": \"2013-05-0318: 33: 37\",
\"language\": \"eng\",
\"handler_name\": \"AppleAliasDataHandler\"
}
},
{
\"index\": 1,
\"codec_name\": \"aac\",
\"codec_long_name\": \"AAC(AdvancedAudioCoding)\",
\"codec_type\": \"audio\",
\"codec_time_base\": \"1/44100\",
\"codec_tag_string\": \"mp4a\",
\"codec_tag\": \"0x6134706d\",
\"sample_fmt\": \"fltp\",
\"sample_rate\": \"44100\",
\"channels\": 2,
\"bits_per_sample\": 0,
\"r_frame_rate\": \"0/0\",
\"avg_frame_rate\": \"0/0\",
\"time_base\": \"1/44100\",
\"start_pts\": 0,
\"start_time\": \"0.000000\",
\"duration_ts\": 3003392,
\"duration\": \"68.104127\",
\"bit_rate\": \"125304\",
\"nb_frames\": \"2933\",
\"disposition\": {
\"default\": 0,
\"dub\": 0,
\"original\": 0,
\"comment\": 0,
\"lyrics\": 0,
\"karaoke\": 0,
\"forced\": 0,
\"hearing_impaired\": 0,
\"visual_impaired\": 0,
\"clean_effects\": 0,
\"attached_pic\": 0
},
\"tags\": {
\"creation_time\": \"2013-05-0318: 33: 37\",
\"language\": \"eng\",
\"handler_name\": \"AppleAliasDataHandler\"
}
}
],
\"format\": {
\"filename\": \"\\\\\\\\dell690\\\\vsf\\\\_asset_intake\\\\v2\\\\ed69c939-4fe1-40dd-a045-db72ed2e0009\\\\original\\\\USTC_Overview2.mov\",
\"nb_streams\": 2,
\"format_name\": \"mov,
mp4,
m4a,
3gp,
3g2,
mj2\",
\"format_long_name\": \"QuickTime/MOV\",
\"start_time\": \"0.000000\",
\"duration\": \"68.100000\",
\"size\": \"34267583\",
\"bit_rate\": \"4025560\",
\"tags\": {
\"major_brand\": \"qt\",
\"minor_version\": \"537199360\",
\"compatible_brands\": \"qt\",
\"creation_time\": \"2013-05-0318: 33: 37\"
}
}
}" -
ffmpeg frame rate issue h264+ass to mkv
27 juin 2013, par user2529661I'm using this command for ffmpeg :
ffmpeg -i 1.h264 -i ass1.ass -map 0 -map 1 -c copy test.mkvThe h264 file is 30 fps... the mkv plays at 25fps so it runs slow
The h264 come off my hd webcam. If i change the frame rate on the camera to 25 it works fine and 15fps wilk play at high speed. I can force the frame rate ? Every if i need a different command line tool to change it that is acceptable. But if i could fix it form ffmpeg that would be ideal. I'm running the commands from vb.net.
command output
C:\Record\Normal\2013-06-27>c:\ffmpeg\bin\ffmpeg -i 1.h264 -i ass1.ass -map 0 -
map 1 -c copy test.mkv
ffmpeg version N-54207-ge59fb3f Copyright (c) 2000-2013 the FFmpeg developers
built on Jun 25 2013 21:55:00 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
libavutil 52. 37.101 / 52. 37.101
libavcodec 55. 17.100 / 55. 17.100
libavformat 55. 10.100 / 55. 10.100
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 77.101 / 3. 77.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
Input #0, h264, from '1.h264':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: h264 (Baseline), yuv420p, 1920x1088 [SAR 1:1 DAR 30:17],
25 fps, 25 tbr, 1200k tbn, 50 tbc
Input #1, ass, from 'ass1.ass':
Duration: N/A, bitrate: N/A
Stream #1:0: Subtitle: ssa
File 'test.mkv' already exists. Overwrite ? [y/N] y
Output #0, matroska, to 'test.mkv':
Metadata:
encoder : Lavf55.10.100
Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 1920x1088 [SAR 1:1 DA
R 30:17], q=2-31, 25 fps, 1k tbn, 1200k tbc
Stream #0:1: Subtitle: ssa
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #1:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 144 fps=0.0 q=-1.0 Lsize= 2451kB time=00:00:05.72 bitrate=3509.6kbits
/s
video:2447kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.125529%
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