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Autres articles (46)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • Submit bugs and patches

    13 avril 2011

    Unfortunately 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.
    You may also (...)

Sur d’autres sites (7446)

  • avformat/http: allow the caller to select a request range

    28 décembre 2013, par Anssi Hannula
    avformat/http: allow the caller to select a request range

    Add AVOptions for setting the initial offset and the ending offset, so
    
they can be used for setting an appropriate Range header.
    

    Signed-off-by : Anssi Hannula <anssi.hannula@iki.fi>
    • [DH] libavformat/http.c

  • FFmpeg Live streaming, capture card avisynth/graphedit

    19 décembre 2013, par diegonaranjo

    I´m stuck in a problem with a test doing multicast streaming from a Viewcast Osprey 700e HD using ffmpeg.
    The thing is that I´ve to use avisynth(with graphedit) for ffmpeg recognize the card. The streaming has no ending time,
    is a live channel for IPTV.
    The script is working well, but the problem is the avisynth config, because I have to specify the countframe option,
    i think this is for the duration of the clip, but I need an infinity streaming.

    The is script is :

    ffmpeg -i espnhd.avs -rtbufsize 100000k -r 30 -c:v mpeg2video -b:v 5120k -s 1280x720 -g 100 -q:v 2 -c:a ac3 -b:a 256k -f mpegts udp ://239.192.42.61:1234

    The espnhd.avs file is :

    v=directshowsource("espnhdv.GRF", pixel_type="YUV", framecount=1000000, fps=30, audio=False, convertfps=false)
    A=directshowsource("espnhda.GRF", fps=30, framecount=1000000, video=False, convertfps=false)
    AudioDub(V, A)
    loop()

    When i run the application, work fine but the streaming ends when 1000000 frames it´s encoded...
    If i dont specify framecount, ffmpeg doesn´t start with the following error, can´t determine the duration of the clip.

    Is there any way to specify an inifinity duration on avisynth ?

    The streaming stops at 1:57hs. I took the end fo the logs :

    frame=212014 fps= 30 q=4.0 size= 6957018kB time=01:57:54.13 bitrate=8056.4kbits/s dup=0 drop=211 
    
frame=212029 fps= 30 q=4.0 size= 6958383kB time=01:57:54.64 bitrate=8057.4kbits/s dup=0 drop=211 
    
frame=212044 fps= 30 q=4.0 size= 6959504kB time=01:57:55.13 bitrate=8058.1kbits/s dup=0 drop=211 
    
frame=212060 fps= 30 q=4.0 size= 6960692kB time=01:57:55.66 bitrate=8058.9kbits/s dup=0 drop=211 
    
espnhd.avs: Not enough space
    
[output stream 0:0 @ 02f02220] EOF on sink link output stream 0:0:default.
    
[output stream 0:1 @ 02f10c20] EOF on sink link output stream 0:1:default.
    
No more output streams to write to, finishing.
    
frame=212069 fps= 30 q=4.0 Lsize= 6961519kB time=01:57:56.00 bitrate=8059.5kbits/s dup=0 drop=211 
    

    
video:6196482kB audio:221125kB subtitle:0 global headers:0kB muxing overhead 8.475312%
    
424560 frames successfully decoded, 0 decoding errors
    
[AVIOContext @ 02f8c3e0] Statistics: 0 seeks, 4977161 writeouts
    
[AVIOContext @ 02f032a0] Statistics: 229 bytes read, 0 seeks

    I really appreciate some help.
    Thanks.

  • ffmpeg clip audio interval with starting and end time

    31 mars 2017, par Raymond Huang

    I am trying to clip an MP3 between two starting points, like starting at 10 seconds and ending at 16 seconds (time interval of 6 seconds).

    I am using this command :

    ffmpeg -ss 10 -i input.mp3 -t 6 output.mp3

    The resulting output.mp3 contains the 6 seconds that I specified followed by 8 or 9 seconds of empty audio. Is there something wrong with my command ?

    Edit :

    ffmpeg -ss 10 -t 6 -i input.mp3 output.mp3 says -t is not an input option, keeping it for the next output; consider fixing your command line. and gives me a file that’s got 8 seconds of audio starting from 10s and then some 9 or 10 seconds of silence.

    ffmpeg -ss 10 -to 16 -i input.mp3 output.mp3 produces a file that is twice the length of the original - basically the same audio file repeated again.

    Testing the output :

    I used Quicktime and it has silent audio at the end. The description of the output file in finder says like 14 seconds. When I use VLC, it plays for the correct 6 seconds and stops, even though its duration in the file browser in VLC says 14. My MPlayer doesn’t work properly. I also did the preview audio in Finder, and it plays the 6 seconds properly and then stops. But the round seeker bar of the MP3 didn’t reach the end. And it also says 14 seconds instead of 6.

    My goal is to stream this 6 second file through a REST API to the front end. I want the user to be able to download this file properly. Ideally it won’t have inconsistent metadata (14 seconds instead of 6).

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