
Recherche avancée
Médias (1)
-
The Great Big Beautiful Tomorrow
28 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Texte
Autres articles (59)
-
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
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 -
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 (9276)
-
how do I stream a single image in a loop to a video device ? [closed]
19 décembre 2019, par ufkI am trying to stream a single image to a video device in Linux.
currently I am using
Gentoo Linux
withFFMpeg 4.2.1
but ffmpeg is not a requirement, if there is a better tool for the task i’m up for it.so I’m running the command
ffmpeg -loop 1 -i binary-file.png -c:v -f v4l2 /dev/video0
and this is the output that I get :
ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 9.2.0 (Gentoo 9.2.0-r2 p3)
configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --docdir=/usr/share/doc/ffmpeg-4.2.1/html --mandir=/usr/share/man --enable-shared --cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++ --ar=x86_64-pc-linux-gnu-ar --optflags='-march=native -O2 -pipe' --disable-static --enable-avfilter --enable-avresample --disable-stripping --disable-optimizations --disable-libcelt --enable-nonfree --enable-version3 --disable-indev=v4l2 --disable-outdev=v4l2 --disable-indev=oss --disable-indev=jack --disable-outdev=oss --enable-bzlib --disable-runtime-cpudetect --disable-debug --disable-gcrypt --disable-gnutls --disable-gmp --enable-gpl --disable-hardcoded-tables --enable-iconv --disable-libtls --disable-libxml2 --disable-lzma --enable-network --disable-opencl --enable-openssl --enable-postproc --enable-libsmbclient --enable-ffplay --enable-sdl2 --enable-vaapi --disable-vdpau --enable-xlib --enable-libxcb --enable-libxcb-shm --enable-libxcb-xfixes --enable-zlib --disable-libcdio --disable-libiec61883 --disable-libdc1394 --disable-libcaca --disable-openal --enable-opengl --disable-libv4l2 --enable-libpulse --disable-libdrm --disable-libjack --disable-libopencore-amrwb --disable-libopencore-amrnb --disable-libcodec2 --disable-libdav1d --disable-libfdk-aac --disable-libopenjpeg --disable-libbluray --disable-libgme --disable-libgsm --disable-libaribb24 --disable-mmal --disable-libmodplug --disable-libopus --disable-libilbc --disable-librtmp --disable-libssh --disable-libspeex --disable-libsrt --enable-librsvg --disable-ffnvcodec --enable-libvorbis --disable-libvpx --disable-libzvbi --disable-appkit --disable-libbs2b --disable-chromaprint --disable-cuda-llvm --disable-libflite --disable-frei0r --disable-libfribidi --disable-fontconfig --disable-ladspa --disable-libass --disable-libtesseract --disable-lv2 --enable-libfreetype --disable-libvidstab --disable-librubberband --disable-libzmq --disable-libzimg --disable-libsoxr --enable-pthreads --disable-libvo-amrwbenc --enable-libmp3lame --disable-libkvazaar --disable-libaom --disable-libopenh264 --disable-libsnappy --disable-libtheora --disable-libtwolame --disable-libwavpack --disable-libwebp --enable-libx264 --disable-libx265 --enable-libxvid --disable-gnutls --disable-armv5te --disable-armv6 --disable-armv6t2 --disable-neon --disable-vfp --disable-vfpv3 --disable-armv8 --disable-mipsdsp --disable-mipsdspr2 --disable-mipsfpu --disable-altivec --disable-amd3dnow --disable-amd3dnowext --disable-aesni --disable-avx --disable-avx2 --disable-fma3 --disable-fma4 --disable-sse3 --disable-ssse3 --disable-sse4 --disable-sse42 --disable-xop --cpu=host --disable-doc --disable-htmlpages --enable-manpages
libavutil 56. 31.100 / 56. 31.100
libavcodec 58. 54.100 / 58. 54.100
libavformat 58. 29.100 / 58. 29.100
libavdevice 58. 8.100 / 58. 8.100
libavfilter 7. 57.100 / 7. 57.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 5.100 / 5. 5.100
libswresample 3. 5.100 / 3. 5.100
libpostproc 55. 5.100 / 55. 5.100
Input #0, png_pipe, from 'binary-file.png':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: png, rgba(pc), 300x300 [SAR 2835:2835 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc
[NULL @ 0x55715b920a20] Unable to find a suitable output format for 'v4l2'
v4l2: Invalid argument -
ffmpeg : capture rtsp stream continously without stoping
21 décembre 2019, par Santhosh YedidiI am trying to capture an rtsp stream
ffmpeg -rtsp_transport tcp -i "rtsp://...." -acodec copy -vcodec copy file.ts
But this will only record for few seconds and stop
ffmpeg version n4.1.2 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181127
configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-version3
libavutil 56. 22.100 / 56. 22.100
libavcodec 58. 35.100 / 58. 35.100
libavformat 58. 20.100 / 58. 20.100
libavdevice 58. 5.100 / 58. 5.100
libavfilter 7. 40.101 / 7. 40.101
libswscale 5. 3.100 / 5. 3.100
libswresample 3. 3.100 / 3. 3.100
libpostproc 55. 3.100 / 55. 3.100
[rtsp @ 0x564a002b4e80] max delay reached. need to consume packet
[rtsp @ 0x564a002b4e80] RTP: missed 3 packets
[h264 @ 0x564a002b8a80] out of range intra chroma pred mode
[h264 @ 0x564a002b8a80] error while decoding MB 8 43
[h264 @ 0x564a002b8a80] concealing 1401 DC, 1401 AC, 1401 MV errors in I frame
Input #0, rtsp, from 'rtsp://...':
Metadata:
title : RTSP Session/2.0
Duration: N/A, start: 0.463333, bitrate: N/A
Stream #0:0: Video: h264 (Main), yuvj420p(pc, progressive), 1280x960, 15 fps, 100 tbr, 90k tbn, 30 tbc
Output #0, mpegts, to 'file.ts':
Metadata:
title : RTSP Session/2.0
encoder : Lavf58.20.100
Stream #0:0: Video: h264 (Main), yuvj420p(pc, progressive), 1280x960, q=2-31, 15 fps, 100 tbr, 90k tbn, 90k tbc
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
frame= 380 fps= 16 q=-1.0 Lsize= 6962kB time=00:00:24.86 bitrate=2293.5kbits/s speed=1.06x
video:6416kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 8.512586%How to keep the recording continous
-
FFMPEG on PHP could not open file
15 juillet 2021, par albertCurrently, I'm running the latest FFMPEG (4.2.1) on MacOS Catalina.
I'm trying to join multiple image to become an mp4 video using FFMPEG executed with PHP exec()



here is my ffmpeg code



"/usr/local/bin/ffmpeg -filter_complex \"[0]reverse[r];[0][r]concat, loop=1:50, setpts=N/12/TB\" -r 25 -f image2 -i /Users/Dan/Desktop/RAW/0234_%02d.jpg -preset fast -crf 23 -profile:v baseline -movflags +faststart -pix_fmt yuv420p /Applications/XAMPP/htdocs/render/result/result.mp4 2>&1"




Here is the output of FFMPEG



Array (
 [0] => ffmpeg version 4.2.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c) 2000-2019 the FFmpeg developers
 [1] => built with Apple LLVM version 10.0.1 (clang-1001.0.46.4)
 [2] => configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libmysofa --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvmaf --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-version3 --pkg-config-flags=--static --disable-ffplay
 [3] => libavutil 56. 31.100 / 56. 31.100
 [4] => libavcodec 58. 54.100 / 58. 54.100
 [5] => libavformat 58. 29.100 / 58. 29.100
 [6] => libavdevice 58. 8.100 / 58. 8.100
 [7] => libavfilter 7. 57.100 / 7. 57.100
 [8] => libswscale 5. 5.100 / 5. 5.100
 [9] => libswresample 3. 5.100 / 3. 5.100
 [10] => libpostproc 55. 5.100 / 55. 5.100
 [11] => [image2 @ 0x7fe4b1000400] Could not open file : /Users/Dan/Desktop/RAW/0234_01.jpg
 [12] => [image2 @ 0x7fe4b1000400] Could not find codec parameters for stream 0 (Video: mjpeg, none(bt470bg/unknown/unknown)):
 unspecified size
 [13] => Consider increasing the value for the 'analyzeduration' and 'probesize' options
 [14] => Input #0, image2, from '/Users/Dan/Desktop/RAW/0234_%02d.jpg':
 [15] => Duration: 00:00:00.20, start: 0.000000, bitrate: N/A
 [16] => Stream #0:0: Video: mjpeg, none(bt470bg/unknown/unknown), 25 tbr, 25 tbn, 25 tbc
 [17] => Stream mapping:
 [18] => Stream #0:0 (mjpeg) -> reverse
 [19] => Stream #0:0 (mjpeg) -> concat:in0:v0
 [20] => setpts -> Stream #0:0 (libx264)
 [21] => Press [q] to stop, [?] for help
 [22] => [image2 @ 0x7fe4b1000400] Could not open file : /Users/Dan/Desktop/RAW/0234_01.jpg
 [23] => /Users/Dan/Desktop/RAW/0234_%02d.jpg: Input/output error
 [24] => Cannot determine format of input stream 0:0 after EOF
 [25] => Error marking filters as finished
 [26] => Conversion failed!
 )




On the 11th row, ffmpeg could not open the file, although the file permission already read and write for everyone.
Is it something I missed for the ffmpeg code ?



Note : The ffmpeg code above can be run on terminal successfully