Recherche avancée

Médias (0)

Mot : - Tags -/upload

Aucun média correspondant à vos critères n’est disponible sur le site.

Autres articles (74)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (9052)

  • ffserver Error writing frame to output

    28 mars 2014, par GarciaPL

    I am new to ffmpeg and ffserver. I spent a lot of time to stream the .avi file using ffserver. Below is my config.

    Port 8090                      # Port to bind the server to
    
BindAddress 0.0.0.0
    
MaxHTTPConnections 2000
    
MaxClients 1000
    
MaxBandwidth 10000             # Maximum bandwidth per client
    
                               # set this high enough to exceed stream bitrate
    
CustomLog -
    
NoDaemon                       # Remove this if you want FFserver to daemonize after start
    

    
RTSPPort 7654
    
RTSPBindAddress 0.0.0.0
    

    
<feed>               # This is the input feed where FFmpeg will send
    
   File ./feed1.ffm            # video stream.
    
   FileMaxSize 1G              # Maximum file size for buffering video
    
   ACL allow 127.0.0.1
    
   ACL allow 192.168.0.0 192.168.0.255
    
</feed>
    

    
<stream>
    
    Format avi
    
    Feed feed1.ffm
    

    
    VideoCodec libvpx
    
    VideoFrameRate 30
    
    VideoBitRate 800
    
    VideoSize 720x576
    

    
    AudioCodec aac
    
    Strict -2
    
    AudioBitRate 128
    
    AudioChannels 2
    
    AudioSampleRate 44100
    
    AVOptionAudio flags +global_header
    
</stream>
    

    
<stream>            # Server status URL
    
   Format status
    
   ACL allow localhost          
    
   ACL allow 192.168.0.0 192.168.255.255
    
</stream>
    

    
<redirect>    # Just an URL redirect for index, Redirect index.html to the appropriate site
    
   URL http://www.ffmpeg.org/
    
</redirect>

    So, to start my ffserver I use this command :

    ffserver -d -f ffserver.conf

    and after that I start stream of this avi file using ffmpeg :

    ffmpeg -re -i russian.avi -c:v libx264 -loop 1 http://192.168.1.165:8090/feed1.ffm

    unfortunately I received two errors repeated many of times :

    Too large number of skipped frames 60120709615 > 60000
    
Error writing frame to output

    I searched the entire internet....but I found nothing what would be valuable.

  • ffmpeg continous file stream or live stream

    17 novembre 2019, par shrw

    I work in a news channel. and the use case is little common.
    Where we have ads lined up. Let’s say 1000 ads in the entire day. ads are usually gif files overlay of 100 pixels X 500 pixels and usually less than 10 seconds.
    then we need to either play mp4 files or stream live content.
    What i really want is to :

    1. if we have 30 mp4 files to play in the entire day and 1000 gif overlay ads.
    2. Is it possible to switch(with the help of any coding languale like node.js or linux commands)
      streams from file to live stream.

  • ffmpeg hwmap SW decoded frame to OpenCL and hwmap back to h264 for SW encode

    3 novembre 2019, par Oleksandr Kyrpa

    I trying speed up process and avoid copy frames between GPU and CPU. But got error : "Segmentation fault : 11", so may be I’m doing something wrong ?

    My full ffmpeg command and log here :

    ./ffmpeg -i ../720.mp4 -init_hw_device opencl=ocl:0.1 -filter_hw_device ocl  -filter_complex "hwmap,avgblur_opencl=30,hwmap"  -c:v h264 -an -t 10 -y ../out_blur.mp4 -loglevel debug

    Output :

    ./ffmpeg -i ../720.mp4 -init_hw_device opencl=ocl:0.1 -filter_hw_device ocl  -filter_complex "hwmap,avgblur_opencl=30,hwmap"  -c:v h264 -an -t 10 -y ../out_blur.mp4 -loglevel debug
    
ffmpeg version N-95621-g53c21c2d6b Copyright (c) 2000-2019 the FFmpeg developers
    
  built with Apple LLVM version 10.0.0 (clang-1000.10.44.4)
    
  configuration: --enable-fontconfig --enable-gpl --enable-libaom --enable-libass --enable-libbluray --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --disable-ffplay --enable-nonfree --enable-opencl
    
  libavutil      56. 35.101 / 56. 35.101
    
  libavcodec     58. 60.100 / 58. 60.100
    
  libavformat    58. 33.100 / 58. 33.100
    
  libavdevice    58.  9.100 / 58.  9.100
    
  libavfilter     7. 66.100 /  7. 66.100
    
  libswscale      5.  6.100 /  5.  6.100
    
  libswresample   3.  6.100 /  3.  6.100
    
  libpostproc    55.  6.100 / 55.  6.100
    
Splitting the commandline.
    
Reading option '-i' ... matched as input url with argument '../720.mp4'.
    
Reading option '-init_hw_device' ... matched as option 'init_hw_device' (initialise hardware device) with argument 'opencl=ocl:0.1'.
    
Reading option '-filter_hw_device' ... matched as option 'filter_hw_device' (set hardware device used when filtering) with argument 'ocl'.
    
Reading option '-filter_complex' ... matched as option 'filter_complex' (create a complex filtergraph) with argument 'hwmap,unsharp_opencl=lx=17:ly=17:la=5,hwmap'.
    
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'h264'.
    
Reading option '-an' ... matched as option 'an' (disable audio) with argument '1'.
    
Reading option '-t' ... matched as option 't' (record or transcode "duration" seconds of audio/video) with argument '10'.
    
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
    
Reading option '../out_blur.mp4' ... matched as output url.
    
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
    
Finished splitting the commandline.
    
Parsing a group of options: global .
    
Applying option init_hw_device (initialise hardware device) with argument opencl=ocl:0.1.
    
[AVHWDeviceContext @ 0x7fbb1ec08480] 1 OpenCL platforms found.
    
[AVHWDeviceContext @ 0x7fbb1ec08480] 3 OpenCL devices found on platform "Apple".
    
[AVHWDeviceContext @ 0x7fbb1ec08480] 0.1: Apple / HD Graphics 4000
    
Applying option filter_hw_device (set hardware device used when filtering) with argument ocl.
    
Applying option filter_complex (create a complex filtergraph) with argument hwmap,unsharp_opencl=lx=17:ly=17:la=5,hwmap.
    
Applying option y (overwrite output files) with argument 1.
    
Applying option loglevel (set logging level) with argument debug.
    
Successfully parsed a group of options.
    
Parsing a group of options: input url ../720.mp4.
    
Successfully parsed a group of options.
    
Opening an input file: ../720.mp4.
    
[NULL @ 0x7fbb1f818c00] Opening '../720.mp4' for reading
    
[file @ 0x7fbb1ec3d600] Setting default whitelist 'file,crypto'
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbb1f818c00] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbb1f818c00] ISO: File Type Major Brand: isom
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbb1f818c00] Unknown dref type 0x206c7275 size 12
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbb1f818c00] Processing st: 0, edit list 0 - media time: 0, duration: 300300
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbb1f818c00] Before avformat_find_stream_info() pos: 4123312 bytes read:34929 seeks:1 nb_streams:1
    
[h264 @ 0x7fbb1f9ae800] nal_unit_type: 7(SPS), nal_ref_idc: 1
    
[h264 @ 0x7fbb1f9ae800] nal_unit_type: 8(PPS), nal_ref_idc: 1
    
[h264 @ 0x7fbb1f9ae800] nal_unit_type: 6(SEI), nal_ref_idc: 0
    
[h264 @ 0x7fbb1f9ae800] nal_unit_type: 5(IDR), nal_ref_idc: 1
    
[h264 @ 0x7fbb1f9ae800] Format yuv420p chosen by get_format().
    
[h264 @ 0x7fbb1f9ae800] Reinit context to 1280x720, pix_fmt: yuv420p
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbb1f818c00] All info found
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbb1f818c00] After avformat_find_stream_info() pos: 38244 bytes read:73125 seeks:2 frames:1
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '../720.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf58.33.100
    
  Duration: 00:00:10.01, start: 0.000000, bitrate: 3295 kb/s
    
    Stream #0:0(und), 1, 1/30000: Video: h264 (High), 1 reference frame (avc1 / 0x31637661), yuv420p(left), 1280x720 [SAR 1:1 DAR 16:9], 0/1, 3293 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 60k tbc (default)
    
    Metadata:
    
      handler_name    : ISO Media file produced by Google Inc. Created on: 10/24/2018.
    
Successfully opened the file.
    
[Parsed_unsharp_opencl_1 @ 0x7fbb1ec45640] Setting 'lx' to value '17'
    
[Parsed_unsharp_opencl_1 @ 0x7fbb1ec45640] Setting 'ly' to value '17'
    
[Parsed_unsharp_opencl_1 @ 0x7fbb1ec45640] Setting 'la' to value '5'
    
Parsing a group of options: output url ../out_blur.mp4.
    
Applying option c:v (codec name) with argument h264.
    
Applying option an (disable audio) with argument 1.
    
Applying option t (record or transcode "duration" seconds of audio/video) with argument 10.
    
Successfully parsed a group of options.
    
Opening an output file: ../out_blur.mp4.
    
Matched encoder 'libx264' for codec 'h264'.
    
[file @ 0x7fbb1ec44680] Setting default whitelist 'file,crypto'
    
Successfully opened the file.
    
detected 8 logical cores
    
[h264 @ 0x7fbb1f9a9800] nal_unit_type: 7(SPS), nal_ref_idc: 1
    
[h264 @ 0x7fbb1f9a9800] nal_unit_type: 8(PPS), nal_ref_idc: 1
    
Stream mapping:
    
  Stream #0:0 (h264) -> hwmap
    
  hwmap -> Stream #0:0 (libx264)
    
Press [q] to stop, [?] for help
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
    Last message repeated 1 times
    
[h264 @ 0x7fbb1f9a9800] nal_unit_type: 6(SEI), nal_ref_idc: 0
    
[h264 @ 0x7fbb1f9a9800] nal_unit_type: 5(IDR), nal_ref_idc: 1
    
[h264 @ 0x7fbb1f9a9800] Format yuv420p chosen by get_format().
    
[h264 @ 0x7fbb1f9a9800] Reinit context to 1280x720, pix_fmt: yuv420p
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
[h264 @ 0x7fbb1f9b7e00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
[h264 @ 0x7fbb1f9cf200] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
[h264 @ 0x7fbb1fa04c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
[h264 @ 0x7fbb1fa1b000] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
[h264 @ 0x7fbb1fa24800] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
[h264 @ 0x7fbb1fa24e00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    
[h264 @ 0x7fbb1fa25400] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
[h264 @ 0x7fbb22809200] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    
[Parsed_unsharp_opencl_1 @ 0x7fbb1ed04e80] Setting 'lx' to value '17'
    
[Parsed_unsharp_opencl_1 @ 0x7fbb1ed04e80] Setting 'ly' to value '17'
    
[Parsed_unsharp_opencl_1 @ 0x7fbb1ed04e80] Setting 'la' to value '5'
    
[graph 0 input from stream 0:0 @ 0x7fbb1ee09040] Setting 'video_size' to value '1280x720'
    
[graph 0 input from stream 0:0 @ 0x7fbb1ee09040] Setting 'pix_fmt' to value '0'
    
[graph 0 input from stream 0:0 @ 0x7fbb1ee09040] Setting 'time_base' to value '1/30000'
    
[graph 0 input from stream 0:0 @ 0x7fbb1ee09040] Setting 'pixel_aspect' to value '1/1'
    
[graph 0 input from stream 0:0 @ 0x7fbb1ee09040] Setting 'sws_param' to value 'flags=2'
    
[graph 0 input from stream 0:0 @ 0x7fbb1ee09040] Setting 'frame_rate' to value '30000/1001'
    
[graph 0 input from stream 0:0 @ 0x7fbb1ee09040] w:1280 h:720 pixfmt:yuv420p tb:1/30000 fr:30000/1001 sar:1/1 sws_param:flags=2
    
[format @ 0x7fbb1ed0a080] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21|yuv420p10le|yuv422p10le|yuv444p10le|nv20le'
    
[AVFilterGraph @ 0x7fbb21004240] query_formats: 7 queried, 6 merged, 0 already done, 0 delayed
    
[Parsed_hwmap_2 @ 0x7fbb1ed03e00] picking yuv420p out of 13 ref:opencl alpha:1
    
[Parsed_hwmap_0 @ 0x7fbb1ed09940] Configure hwmap yuv420p -> opencl.
    
[Parsed_hwmap_2 @ 0x7fbb1ed03e00] Configure hwmap opencl -> yuv420p.
    
[hwmap @ 0x7fbb1ed03940] Filter input: yuv420p, 1280x720 (0).
    
Segmentation fault: 11

Navigation