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Installation en mode ferme
4 février 2011, parLe mode ferme permet d’héberger plusieurs sites de type MediaSPIP en n’installant qu’une seule fois son noyau fonctionnel.
C’est la méthode que nous utilisons sur cette même plateforme.
L’utilisation en mode ferme nécessite de connaïtre un peu le mécanisme de SPIP contrairement à la version standalone qui ne nécessite pas réellement de connaissances spécifique puisque l’espace privé habituel de SPIP n’est plus utilisé.
Dans un premier temps, vous devez avoir installé les mêmes fichiers que l’installation (...) -
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 (...) -
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 (...)
Sur d’autres sites (3973)
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How to stream webcam video over RTSP using ffmpeg on Windows 10 ? [closed]
15 mai 2024, par let me down slowlyI am trying to stream my laptop's webcam using RTSP protocol using
ffmpeg
. I am trying to simulate an actual IP Camera. I have already tried different tools already including usingVidGear
python package, andgstreamer
but could not get it working. Note : I am on Windows 10. I have tried this command :

ffmpeg -f dshow -s 320x240 -rtbufsize 2147.48M -r 30 -vcodec mjpeg -i video="HD Camera" -f rtsp -rtsp_transport tcp rtsp://localhost:8554/mystream



It turns on the webcam with but prints these logs to the console :


ffmpeg version 7.0-full_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
 built with gcc 13.2.0 (Rev5, Built by MSYS2 project)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
 libavutil 59. 8.100 / 59. 8.100
 libavcodec 61. 3.100 / 61. 3.100
 libavformat 61. 1.100 / 61. 1.100
 libavdevice 61. 1.100 / 61. 1.100
 libavfilter 10. 1.100 / 10. 1.100
 libswscale 8. 1.100 / 8. 1.100
 libswresample 5. 1.100 / 5. 1.100
 libpostproc 58. 1.100 / 58. 1.100
[mjpeg @ 0000026201ae9fc0] unable to decode APP fields: Invalid data found when processing input
Input #0, dshow, from 'video=HD Camera':
 Duration: N/A, start: 1285415.793302, bitrate: N/A
 Stream #0:0: Video: mjpeg (Baseline) (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 320x240, 30 fps, 30 tbr, 10000k tbn
Stream mapping:
 Stream #0:0 -> #0:0 (mjpeg (native) -> mpeg4 (native))
Press [q] to stop, [?] for help
[mjpeg @ 0000026201afe9c0] unable to decode APP fields: Invalid data found when processing input
[swscaler @ 0000026201b5cc40] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 00000262068c57c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0000026201b5cc40] deprecated pixel format used, make sure you did set range correctly
 Last message repeated 1 times
[mjpeg @ 0000026201afe9c0] unable to decode APP fields: Invalid data found when processing input
 Last message repeated 8 times



I tried opening
rtsp://localhost:8554/mystream
but it showsVLC is unable to open the MRL 'rtsp://localhost:8554/mystream'. Check the log for details.


Killing the running process outputs these additional logs


[out#0/rtsp @ 0000026201aeaf80] Could not write header (incorrect codec parameters ?): Immediate exit requested
[vf#0:0 @ 0000026201af4100] Error sending frames to consumers: Immediate exit requested
[vf#0:0 @ 0000026201af4100] Task finished with error code: -1414092869 (Immediate exit requested)
[vf#0:0 @ 0000026201af4100] Terminating thread with return code -1414092869 (Immediate exit requested)
[out#0/rtsp @ 0000026201aeaf80] Nothing was written into output file, because at least one of its streams received no packets.
frame= 0 fps=0.0 q=0.0 Lsize= 0KiB time=N/A bitrate=N/A speed=N/A
Exiting normally, received signal 2.



Output of the command
ffmpeg -list_devices true -f dshow -i dummy
:

built with gcc 13.2.0 (Rev5, Built by MSYS2 project)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
 libavutil 59. 8.100 / 59. 8.100
 libavcodec 61. 3.100 / 61. 3.100
 libavformat 61. 1.100 / 61. 1.100
 libavdevice 61. 1.100 / 61. 1.100
 libavfilter 10. 1.100 / 10. 1.100
 libswscale 8. 1.100 / 8. 1.100
 libswresample 5. 1.100 / 5. 1.100
 libpostproc 58. 1.100 / 58. 1.100
[dshow @ 00000140f18d4200] "HD Camera" (video)
[dshow @ 00000140f18d4200] Alternative name "@device_pnp_\\?\usb#vid_05c8&pid_03ea&mi_00#6&d0a8c55&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global"
[dshow @ 00000140f18d4200] "Microphone (Realtek(R) Audio)" (audio)
[dshow @ 00000140f18d4200] Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{06840D8D-1151-4D9C-B865-2FE01BFB9FD2}"
[in#0 @ 00000140f18ba640] Error opening input: Immediate exit requested
Error opening input file dummy.



Output of the command
ffmpeg -f dshow -list_options true -i video="HD Camera"
:

built with gcc 13.2.0 (Rev5, Built by MSYS2 project)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
 libavutil 59. 8.100 / 59. 8.100
 libavcodec 61. 3.100 / 61. 3.100
 libavformat 61. 1.100 / 61. 1.100
 libavdevice 61. 1.100 / 61. 1.100
 libavfilter 10. 1.100 / 10. 1.100
 libswscale 8. 1.100 / 8. 1.100
 libswresample 5. 1.100 / 5. 1.100
 libpostproc 58. 1.100 / 58. 1.100
[dshow @ 000002670b4c12c0] DirectShow video device options (from video devices)
[dshow @ 000002670b4c12c0] Pin "Capture" (alternative pin name "Capture")
[dshow @ 000002670b4c12c0] vcodec=mjpeg min s=1280x720 fps=30 max s=1280x720 fps=30
[dshow @ 000002670b4c12c0] vcodec=mjpeg min s=640x480 fps=30 max s=640x480 fps=30
[dshow @ 000002670b4c12c0] vcodec=mjpeg min s=640x360 fps=30 max s=640x360 fps=30
[dshow @ 000002670b4c12c0] vcodec=mjpeg min s=352x288 fps=30 max s=352x288 fps=30
[dshow @ 000002670b4c12c0] vcodec=mjpeg min s=320x240 fps=30 max s=320x240 fps=30
[dshow @ 000002670b4c12c0] vcodec=mjpeg min s=176x144 fps=30 max s=176x144 fps=30
[dshow @ 000002670b4c12c0] pixel_format=yuyv422 min s=1280x720 fps=10 max s=1280x720 fps=10
[dshow @ 000002670b4c12c0] pixel_format=yuyv422 min s=640x480 fps=30 max s=640x480 fps=30
[dshow @ 000002670b4c12c0] pixel_format=yuyv422 min s=640x360 fps=30 max s=640x360 fps=30
[dshow @ 000002670b4c12c0] pixel_format=yuyv422 min s=352x288 fps=30 max s=352x288 fps=30
[dshow @ 000002670b4c12c0] pixel_format=yuyv422 min s=320x240 fps=30 max s=320x240 fps=30
[dshow @ 000002670b4c12c0] pixel_format=yuyv422 min s=176x144 fps=30 max s=176x144 fps=30
[in#0 @ 000002670b4aa200] Error opening input: Immediate exit requested
Error opening input file video=HD Camera.



Please help me solve the issue or suggest a better approach.


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