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Autres articles (15)
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Submit bugs and patches
13 avril 2011Unfortunately a software is never perfect.
If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
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La sauvegarde automatique de canaux SPIP
1er avril 2010, parDans le cadre de la mise en place d’une plateforme ouverte, il est important pour les hébergeurs de pouvoir disposer de sauvegardes assez régulières pour parer à tout problème éventuel.
Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...) -
Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...)
Sur d’autres sites (6121)
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FFmpeg - filter_complex error,Too many inputs specified for the "scale" filter
20 septembre 2018, par wensefuI’m trying to
concatsome video into one single video usingffmpeg. here’s my ffmpeg cmd :ffmpeg -i input1.avi -i input2.mkv -filter_complex [0:v]scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[v0];[v0][0:a][1:v]scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2[v1];[v1][1:a]concat=n=2:v=1:a=1[outv][outa] -map [outv] -map [outa] -vcodec libx264 -crf 27 -preset ultrafast out.mp4but got error :
[AVFilterGraph @ 0xd177f500] Too many inputs specified for the "scale" filter.
E AVLOG : Error initializing complex filters.
E AVLOG : Invalid argument
E AVLOG : At least one output file must be specified
I AVLOG : Stream mapping:
I AVLOG : Press [q] to stop, [?] for help
I AVLOG : No more output streams to write to, finishing.
E AVLOG :
F libc : Fatal signal 11 (SIGSEGV), code 1, fault addr 0x0 in tid 17256 (IntentService[v)Any ideas anyone ?
Many thanks in advance.
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FFmpeg scale and concat with dynamic height
21 août 2018, par Praveen TamilHi below is the code I’m using to concat multiple images.
ffmpeg -loop 1 -t 1 -i img1.jpeg -loop 1 -t 1 -i img2.jpeg -loop 1 -t 1 -i img3.jpeg
-loop 1 -t 1 -i img4.jpeg -filter_complex "
[0:v]scale=640:480:force_original_aspect_ratio=decrease, pad=640:480:(ow-iw)/2:(oh-ih)/2[v0];
[1:v]scale=640:480:force_original_aspect_ratio=decrease, pad=640:480:(ow-iw)/2:(oh-ih)/2[v1];
[2:v]scale=640:480:force_original_aspect_ratio=decrease, pad=640:480:(ow-iw)/2:(oh-ih)/2[v2];
[3:v]scale=640:480:force_original_aspect_ratio=decrease, pad=640:480:(ow-iw)/2:(oh-ih)/2[v3];
[v0][v1][v2][v3]concat=n=4" output.gifBut I’m getting below issue
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Smooth scale animation in ffmpeg
3 août 2018, par MakesHow can I smooth the animations of scale ?
ffmpeg -i bg.mp4 -loop 1 -i blank.png -filter_complex "[1:v]drawtext=fontfile=ariblk.ttf:text=EXAMPLE:x=(main_w-text_w)/2:y=(main_h-max_glyph_a)/2:fontcolor=0xFFFFFF:fontsize=200:alpha=1[txt];[txt]sendcmd=f=data.cmd,scale=w=0:h=-1[txtscale];[0:v][txtscale]overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2:shortest=1" preview.mp4Video resolution 1280 * 720 -> scale w = ’12.8 * X’, X - scale value (data from the After Effects)
data.cmd
0 scale w ' 12.8* 72 '; 0.040 scale w ' 12.8* 72.3944 '; 0.080 scale w ' 12.8* 72.7887 '; 0.120 scale w ' 12.8* 73.1831 '; 0.160 scale w ' 12.8* 73.5775 '; 0.200 scale w ' 12.8* 73.9718 '; 0.240 scale w ' 12.8* 74.3662 '; 0.280 scale w ' 12.8* 74.7606 '; 0.320 scale w ' 12.8* 75.1549 '; 0.360 scale w ' 12.8* 75.5493 '; 0.400 scale w ' 12.8* 75.9437 '; 0.440 scale w ' 12.8* 76.338 '; 0.480 scale w ' 12.8* 76.7324 '; 0.520 scale w ' 12.8* 77.1268 '; 0.560 scale w ' 12.8* 77.5211 '; 0.600 scale w ' 12.8* 77.9155 '; 0.640 scale w ' 12.8* 78.3099 '; 0.680 scale w ' 12.8* 78.7042 '; 0.720 scale w ' 12.8* 79.0986 '; 0.760 scale w ' 12.8* 79.493 '; 0.800 scale w ' 12.8* 79.8873 '; 0.840 scale w ' 12.8* 80.2817 '; 0.880 scale w ' 12.8* 80.6761 '; 0.920 scale w ' 12.8* 81.0704 '; 0.960 scale w ' 12.8* 81.4648 '; 1.000 scale w ' 12.8* 81.8592 '; 1.040 scale w ' 12.8* 82.2535 '; 1.080 scale w ' 12.8* 82.6479 '; 1.120 scale w ' 12.8* 83.0423 '; 1.160 scale w ' 12.8* 83.4366 '; 1.200 scale w ' 12.8* 83.831 '; 1.240 scale w ' 12.8* 84.2254 '; 1.280 scale w ' 12.8* 84.6197 '; 1.320 scale w ' 12.8* 85.0141 '; 1.360 scale w ' 12.8* 85.4085 '; 1.400 scale w ' 12.8* 85.8028 '; 1.440 scale w ' 12.8* 86.1972 '; 1.480 scale w ' 12.8* 86.5915 '; 1.520 scale w ' 12.8* 86.9859 '; 1.560 scale w ' 12.8* 87.3803 '; 1.600 scale w ' 12.8* 87.7746 '; 1.640 scale w ' 12.8* 88.169 '; 1.680 scale w ' 12.8* 88.5634 '; 1.720 scale w ' 12.8* 88.9577 '; 1.760 scale w ' 12.8* 89.3521 '; 1.800 scale w ' 12.8* 89.7465 '; 1.840 scale w ' 12.8* 90.1408 '; 1.880 scale w ' 12.8* 90.5352 '; 1.920 scale w ' 12.8* 90.9296 '; 1.960 scale w ' 12.8* 91.3239 '; 2.000 scale w ' 12.8* 91.7183 '; 2.040 scale w ' 12.8* 92.1127 '; 2.080 scale w ' 12.8* 92.507 '; 2.120 scale w ' 12.8* 92.9014 '; 2.160 scale w ' 12.8* 93.2958 '; 2.200 scale w ' 12.8* 93.6901 '; 2.240 scale w ' 12.8* 94.0845 '; 2.280 scale w ' 12.8* 94.4789 '; 2.320 scale w ' 12.8* 94.8732 '; 2.360 scale w ' 12.8* 95.2676 '; 2.400 scale w ' 12.8* 95.662 '; 2.440 scale w ' 12.8* 96.0563 '; 2.480 scale w ' 12.8* 96.4507 '; 2.520 scale w ' 12.8* 96.8451 '; 2.560 scale w ' 12.8* 97.2394 '; 2.600 scale w ' 12.8* 97.6338 '; 2.640 scale w ' 12.8* 98.0282 '; 2.680 scale w ' 12.8* 98.4225 '; 2.720 scale w ' 12.8* 98.8169 '; 2.760 scale w ' 12.8* 99.2113 '; 2.800 scale w ' 12.8* 99.6056 '; 2.840 scale w ' 12.8* 100 ';
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