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Autres articles (72)
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List of compatible distributions
26 avril 2011, parThe table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...) -
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 (...) -
Supporting all media types
13 avril 2011, parUnlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)
Sur d’autres sites (7067)
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lavfi : Move new field to the end of AVFilterLink
29 juin 2016, par Timo Rothenpielerlavfi : Move new field to the end of AVFilterLink
Even though this is not part of the public API, some external
applications access fields after it, thus breaking after updating from
ffmpeg 3.0 or earlier.
Since it is not public, it can be freely moved to the end to avoid
that problem in the future.Reviewed-by : Michael Niedermayer <michael@niedermayer.cc>
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h264 : factor starting a new field out of parsing the slice header
9 mai 2016, par Anton Khirnov -
What the "No opaque field provided" mean in ffmpeg ?
15 mai 2016, par 纯洁的坏蛋I use the code to covert a image and wav to a mp4 :
ffmpeg -loop 1 -i img.jpg -i audio.wav -c:v libx264 -c:a aac -strict experimental -b:a 192k -shortest out.mp4
But I got some errors :
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: built on May 9 2016 16:36:21 with gcc 4.9 20150123 (prerelease)
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: configuration: --arch=arm --cpu=cortex-a8 --target-os=linux --enable-runtime-cpudetect --prefix=/data/data/info.guardianproject.ffmpeg/app_opt --enable-pic --disable-shared --enable-static --cross-prefix=/Users/tian/Documents/adt/android-ndk-r9c/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi- --sysroot=/Users/tian/Documents/adt/android-ndk-r9c/platforms/android-16/arch-arm --extra-cflags='-I../x264 -mfloat-abi=softfp -mfpu=neon -fPIE -pie' --extra-ldflags='-L../x264 -fPIE -pie' --enable-version3 --enable-gpl --disable-doc --enable-yasm --disable-decoders --enable-decoder=mjpeg --enable-decoder=aac --enable-decoder=h264 --disable-encoders --enable-encoder=libx264 --enable-encoder=aac --enable-encoder=h264 --enable-muxers --disable-demuxers --enable-demuxer=image2 --enable-demuxer=wav --disable-parsers --disable-protocols --enable-protocol=file --disable-filters --disable-avresample --disable-libfreetype --disable-indevs --disable-indev=lavfi --disable-outdevs --enable- libavutil 51. 54.100 / 51. 54.100
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: libavcodec 54. 23.100 / 54. 23.100
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: libavformat 54. 6.100 / 54. 6.100
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: libavdevice 54. 0.100 / 54. 0.100
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: libavfilter 2. 77.100 / 2. 77.100
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: libswscale 2. 1.100 / 2. 1.100
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: libswresample 0. 15.100 / 0. 15.100
05-09 17:00:23.473 26907-27514/com.tian.example E/xx: libpostproc 52. 0.100 / 52. 0.100
05-09 17:00:23.553 26907-27514/com.tian.example E/xx: [image2 @ 0xb6042100] max_analyze_duration 5000000 reached at 5000000
05-09 17:00:23.553 26907-27514/com.tian.example E/xx: Input #0, image2, from '/storage/emulated/0/Android/data/com.tian.example/files/tian/frame.jpg':
05-09 17:00:23.553 26907-27514/com.tian.example E/xx: Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
05-09 17:00:23.553 26907-27514/com.tian.example E/xx: Stream #0:0: Video: mjpeg, yuvj420p, 320x240 [SAR 72:72 DAR 4:3], 25 fps, 25 tbr, 25 tbn, 25 tbc
05-09 17:00:23.573 26907-27514/com.tian.example E/xx: Guessed Channel Layout for Input Stream #1.0 : mono
05-09 17:00:23.573 26907-27514/com.tian.example E/xx: Input #1, wav, from '/storage/emulated/0/Android/data/com.tian.example/files/tian/example/回声_2016_05_07_22_23_20.wav':
05-09 17:00:23.573 26907-27514/com.tian.example E/xx: Duration: 00:00:02.65, bitrate: 705 kb/s
05-09 17:00:23.573 26907-27514/com.tian.example E/xx: Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, mono, 705 kb/s
05-09 17:00:23.593 26907-27514/com.tian.example E/xx: [buffer @ 0xb6052070] w:320 h:240 pixfmt:yuvj420p tb:1/25 sar:72/72 sws_param:flags=2
05-09 17:00:23.593 26907-27514/com.tian.example E/xx: [buffersink @ 0xb60520a0] No opaque field provided
05-09 17:00:23.593 26907-27514/com.tian.example E/xx: [abuffer @ 0xb6052100] Invalid sample format (null).
05-09 17:00:23.593 26907-27514/com.tian.example E/xx: Error opening filters!I am a new for ffmpeg.