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Autres articles (64)
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L’agrémenter visuellement
10 avril 2011MediaSPIP est basé sur un système de thèmes et de squelettes. Les squelettes définissent le placement des informations dans la page, définissant un usage spécifique de la plateforme, et les thèmes l’habillage graphique général.
Chacun peut proposer un nouveau thème graphique ou un squelette et le mettre à disposition de la communauté. -
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 -
Personnaliser les catégories
21 juin 2013, parFormulaire de création d’une catégorie
Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
On peut modifier ce formulaire dans la partie :
Administration > Configuration des masques de formulaire.
Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...)
Sur d’autres sites (12307)
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avcodec/d3d12va_decode : check existance before assigning a new index
11 janvier 2024, par Tong Wuavcodec/d3d12va_decode : check existance before assigning a new index
Fixes #10759.
It can happen in H.264, MPEG2, VC1 that the current frame resource
memory is already in ref_resource. For example, for a interlaced frame,
the same curr memory is passed twice. For the second time it could possibly
reference itself. When this happens the curr is already given an index and
in ref_resources. When the reference frame index is required, we should check
the existance in the ref_resources first before assigning a new index for it.Signed-off-by : Tong Wu <tong1.wu@intel.com>
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avutil/hwcontext_qsv : derive QSV frames to D3D11VA frames
7 mai 2022, par Tong Wuavutil/hwcontext_qsv : derive QSV frames to D3D11VA frames
Fixes :
$ ffmpeg.exe -y -hwaccel qsv -init_hw_device d3d11va=d3d11 \init_hw_device qsv=qsv@d3d11 -c:v h264_qsv -i input.h264 \
vf "hwmap=derive_device=d3d11va,format=d3d11" -f null -
Reviewed-by : Soft Works <softworkz@hotmail.com>
Signed-off-by : Tong Wu <tong1.wu@intel.com>
Signed-off-by : Haihao Xiang <haihao.xiang@intel.com> -
ffmpeg file conversion unreadable [on hold]
16 août 2015, par rashadbI used ffmpeg to shorten a Videohive file from 14 seconds to 5 seconds with the following entry on the command line :
ffmpeg -i 15_Shopping_VKV.mov -t 5 shoes.mp4
The file doesn’t work when I try to play it with Quicktime. Along with other Google searches, I looked at the following links in Stackoverflow for suggestions :
https://stackoverflow.com/questions/25831944/unreadable-files
https://stackoverflow.com/questions/4818681/ffmpeg-conversion-error
https://stackoverflow.com/questions/22307229/ffmpeg-mp4-file-is-not-validAt this point I’m out of ideas to figure out what’s wrong, let alone how to fix the problem.
Here are some additional details :
I managed to edit a few other Videohive files but each file comes in slightly different format and although I’ve converted a number of other files with a similar entry or one that adjusts the codec to something web ready, I’ve been unable to successfully convert this file. Like all of the other original videohive files it is readily read by QuickTime. Only after the conversion does this file not work. All other files I’ve converted worked with the following conversions for example :
ffmpeg -i mainfile.mp4 -t 5:00 rave.mp4
OR
ffmpeg -i 00299.mov -c:v libx264 dating.mp4
Here are a few additional details that may help :
1) a link to the broken file
https://s3.amazonaws.com/files.parsetfss.com/90b6030c-d712-42ec-b2ee-deb43a4dd277/tfss-79b45914-9ada-4c1c-8fbc-8d652f8c00c7-shoes.mp4
2) The printout of ffmpeg process
News-MacBook-Air:CP08.14.15 newuser$ ffmpeg -i 15_Shopping_VKV.mov -t 5 shoes.mov
ffmpeg version 2.7.1 Copyright (c) 2000-2015 the FFmpeg developers
built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.7.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-libopus --enable-frei0r --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1_1/include/openjpeg-1.5 ' --enable-nonfree --enable-vda
libavutil 54. 27.100 / 54. 27.100
libavcodec 56. 41.100 / 56. 41.100
libavformat 56. 36.100 / 56. 36.100
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 16.101 / 5. 16.101
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.100 / 1. 2.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '15_Shopping_VKV.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2015-03-07 22:03:36
Duration: 00:00:14.71, start: 0.000000, bitrate: 78240 kb/s
Stream #0:0(eng): Video: mjpeg (jpeg / 0x6765706A), yuvj422p(pc, bt470bg/bt709/bt709), 1920x1080 [SAR 72:72 DAR 16:9], 78231 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 30k tbc (default)
Metadata:
creation_time : 2015-03-07 22:03:36
handler_name : Apple Alias Data Handler
encoder : Photo - JPEG
timecode : 00:02:36;02
Stream #0:1(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
Metadata:
creation_time : 2015-03-07 22:15:55
handler_name : Apple Alias Data Handler
timecode : 00:02:36;02
File 'shoes.mov' already exists. Overwrite ? [y/N] y
No pixel format specified, yuvj422p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x7fbc9400a000] using SAR=1/1
[libx264 @ 0x7fbc9400a000] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x7fbc9400a000] profile High 4:2:2, level 4.0, 4:2:2 8-bit
[libx264 @ 0x7fbc9400a000] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mov, to 'shoes.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
encoder : Lavf56.36.100
Stream #0:0(eng): Video: h264 (libx264) (avc1 / 0x31637661), yuvj422p(pc), 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 29.97 fps, 30k tbn, 29.97 tbc (default)
Metadata:
creation_time : 2015-03-07 22:03:36
handler_name : Apple Alias Data Handler
timecode : 00:02:36;02
encoder : Lavc56.41.100 libx264
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 150 fps=6.9 q=-1.0 Lsize= 3953kB time=00:00:04.93 bitrate=6557.7kbits/s
video:3950kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.080847%
[libx264 @ 0x7fbc9400a000] frame I:1 Avg QP:25.46 size: 71679
[libx264 @ 0x7fbc9400a000] frame P:72 Avg QP:25.36 size: 40886
[libx264 @ 0x7fbc9400a000] frame B:77 Avg QP:27.53 size: 13357
[libx264 @ 0x7fbc9400a000] consecutive B-frames: 0.7% 89.3% 10.0% 0.0%
[libx264 @ 0x7fbc9400a000] mb I I16..4: 16.5% 80.0% 3.5%
[libx264 @ 0x7fbc9400a000] mb P I16..4: 5.3% 14.6% 0.6% P16..4: 41.1% 10.6% 3.0% 0.0% 0.0% skip:24.9%
[libx264 @ 0x7fbc9400a000] mb B I16..4: 0.4% 1.2% 0.0% B16..8: 32.7% 4.0% 0.7% direct: 2.8% skip:58.2% L0:36.3% L1:53.2% BI:10.5%
[libx264 @ 0x7fbc9400a000] 8x8 transform intra:71.7% inter:86.5%
[libx264 @ 0x7fbc9400a000] coded y,uvDC,uvAC intra: 52.7% 78.6% 18.2% inter: 14.1% 26.4% 0.4%
[libx264 @ 0x7fbc9400a000] i16 v,h,dc,p: 26% 18% 5% 51%
[libx264 @ 0x7fbc9400a000] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 13% 20% 4% 8% 12% 6% 8% 5%
[libx264 @ 0x7fbc9400a000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 15% 12% 4% 14% 14% 7% 5% 2%
[libx264 @ 0x7fbc9400a000] i8c dc,h,v,p: 45% 12% 27% 16%
[libx264 @ 0x7fbc9400a000] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fbc9400a000] ref P L0: 65.2% 18.5% 11.3% 5.0%
[libx264 @ 0x7fbc9400a000] ref B L0: 90.7% 9.1% 0.2%
[libx264 @ 0x7fbc9400a000] ref B L1: 99.1% 0.9%
[libx264 @ 0x7fbc9400a000] kb/s:6463.90