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Autres articles (20)
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Le plugin : Podcasts.
14 juillet 2010, parLe 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 (...) -
Creating farms of unique websites
13 avril 2011, parMediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...) -
Contribute to documentation
13 avril 2011Documentation is vital to the development of improved technical capabilities.
MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
To contribute, register to the project users’ mailing (...)
Sur d’autres sites (6434)
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fate/filter : remove pointless indirections for gradfun and hqdn3d.
28 mars 2013, par Clément Bœschfate/filter : remove pointless indirections for gradfun and hqdn3d.
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correctly escaping text in drawtext filter
6 novembre 2013, par menteAccording to documentation
%{}:,
should be escaped with slash. But when I escape%
the text is not added. There's error message sayingStray % near ')'
. But what does it mean and how I can fix it ? Command and output :$ /usr/bin/ffmpeg -y -i /home/www/255871.mov -af 'aresample=async=1:min_hard_comp=0.100000' -vf 'scale=480:trunc(ow/a/2)*2,transpose=1 [in];movie=watermarks/text-box440.mov,scale=320:55 [bg];[in][bg] overlay=x=20:y=main_h-80,drawtext=fontsize=20:fix_bounds=1:fontfile=Helvetica\\:Style=bold:fontcolor=0xe6b300:text=small kitten \%\):x=30:y=h-80+ascent/2:draw=gte(t\,0)\;lt(t\,5) [out]' -pix_fmt yuv420p -r 24.39 -map_metadata -1 -movflags +faststart -f mp4 -vcodec libx264 -b:v 800k -maxrate 1100k -bufsize 2M -bt 256k -profile:vbaseline -acodec libfdk_aac -ab 64k -ar 44100 -ac 1 /tmp/kitten.mp4
ffmpeg version 1.2 Copyright (c) 2000-2013 the FFmpeg developers
built on Mar 15 2013 18:40:14 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4)
configuration: --enable-gpl --enable-libmp3lame --enable-libvo-aacenc --enable-libx264 --enable-version3 --enable-pthreads --enable-libfaac --enable-nonfree --enable-libfdk_a
ac --enable-fontconfig --enable-libfreetype
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/www/255871.mov':
Metadata:
major_brand : qt
minor_version : 0
compatible_brands: qt
creation_time : 2012-07-17 07:42:35
model : iPhone 3GS
model-rus : iPhone 3GS
encoder : 4.2.1
encoder-rus : 4.2.1
date : 2012-07-17T10:42:35+0300
date-rus : 2012-07-17T10:42:35+0300
make : Apple
make-rus : Apple
Duration: 00:00:09.38, start: 0.000000, bitrate: 790 kb/s
Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p, 480x360, 720 kb/s, 29.97 fps, 29.97 tbr, 600 tbn, 1200 tbc
Metadata:
rotate : 90
creation_time : 2012-07-17 07:42:35
handler_name : Core Media Data Handler
Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s
Metadata:
creation_time : 2012-07-17 07:42:35
handler_name : Core Media Data Handler
[Parsed_drawtext_5 @ 0x2ae9b00] Using "/usr/share/fonts/default/Type1/n019003l.pfb"
[libx264 @ 0x2ae7d40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x2ae7d40] profile Constrained Baseline, level 2.1
[libx264 @ 0x2ae7d40] 264 - core 130 r2274 c832fe9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=0 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 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=0 weightp=0 keyint=250 keyint_min=24 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=800 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=1100 vbv_bufsize=2000 nal_hrd=none ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '/tmp/kitten.mp4':
Metadata:
encoder : Lavf54.63.104
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 360x480, q=-1--1, 800 kb/s, 19512 tbn, 24.39 tbc
Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, s16, 64 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (h264 -> libx264)
Stream #0:1 -> #0:1 (aac -> libfdk_aac)
Press [q] to stop, [?] for help
[Parsed_drawtext_5 @ 0x2ae9b00] Stray % near ')'
Last message repeated 201 times
Stray % near ')'0.0 q=27.0 size= 480kB time=00:00:07.96 bitrate= 493.4kbits/s dup=0 drop=35
[Parsed_drawtext_5 @ 0x2ae9b00] Stray % near ')'
Last message repeated 77 times
Starting second pass: moving header on top of the file
frame= 231 fps=0.0 q=-1.0 Lsize= 1002kB time=00:00:09.47 bitrate= 866.6kbits/s dup=0 drop=50
video:921kB audio:74kB subtitle:0 global headers:0kB muxing overhead 0.680957%
[libx264 @ 0x2ae7d40] frame I:1 Avg QP:24.43 size: 13264
[libx264 @ 0x2ae7d40] frame P:230 Avg QP:23.72 size: 4041
[libx264 @ 0x2ae7d40] mb I I16..4: 24.8% 0.0% 75.2%
[libx264 @ 0x2ae7d40] mb P I16..4: 2.3% 0.0% 4.8% P16..4: 34.4% 28.8% 9.4% 0.0% 0.0% skip:20.3%
[libx264 @ 0x2ae7d40] coded y,uvDC,uvAC intra: 62.5% 54.2% 4.4% inter: 19.6% 20.3% 0.1%
[libx264 @ 0x2ae7d40] i16 v,h,dc,p: 36% 29% 19% 16%
[libx264 @ 0x2ae7d40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 21% 20% 6% 8% 7% 7% 6% 6%
[libx264 @ 0x2ae7d40] i8c dc,h,v,p: 65% 15% 17% 3%
[libx264 @ 0x2ae7d40] ref P L0: 93.4% 4.3% 2.3%
[libx264 @ 0x2ae7d40] kb/s:796.32 -
fate/filter : rename ’ubitux’ rules to ’sample’.
28 mars 2013, par Clément Bœschfate/filter : rename ’ubitux’ rules to ’sample’.