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Autres articles (61)

  • 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 (...)

  • 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 (...)

  • List of compatible distributions

    26 avril 2011, par

    The 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 (...)

Sur d’autres sites (10346)

  • how to give random name to the file in ffmpeg

    18 mars 2020, par amit9867

    How can i give random name to a output file in ffmpeg.

    I want to give the filename as current date_time (ex.2020-3-18-10-13-4.mkv).

    I don’t want to give a fix name such as output.mkv.

    import os
    
import subprocess
    
import tkinter as tk
    
import datetime
    

    
root = tk.Tk()
    

    
os.chdir(f'C://Users/{os.getlogin()}/desktop/')
    
def recording_voice():
    
  global p
    
  p =subprocess.Popen('ffmpeg -i video.avi -i audio.wav -c:v copy -c:a aac -strict experimental -strftime 1 "%Y-%m-%d_%H-%M-%S.mkv"' ,stdin=subprocess.PIPE)
    

    

    
rec_btn = tk.Button(text='Start merging', width=20, command=recording_voice)
    
rec_btn.pack()
    

    

    
root.mainloop()

  • I am a newbie in FFmpeg and I am trying to use FFMPEG to play RTSP stream on Android, but it will play slower and slower

    8 mai 2020, par Ajax

    I am a newbie in FFmpeg and I am trying to use FFMPEG to play RTSP stream on Android, but it will play slower and slower. The picture of my player and video source will increase with the time difference. The video are not synchronized. I'm pulling on the local area network。
The longer it is played, the more the picture of the video source will be. The more it cannot automatically return to the real-time picture like MediaCode's hardware decoding.The decoded picture is in slow motion, and it will freeze after a while.。What causes this ? How can i optimize it。
this is my code

    



    2020-5-8/Problem has been solved

    


  • Video Keyframe and Iframe

    12 avril 2021, par SY Moon

    I have confused one thing for Video Frame extraction.

    


    I have sample.mp4 video, 15FPS.

    


    I tried extracting Keyframe with FFMPEG.

    


    ffmpeg -skip_frame nokey -i sample.mp4 -vsync 0 -frame_pts true out%d.png


    


    I get 29 Pictures and I believe I have got 29 I frames. (If I have wrong, Please correct me)

    


    Then I tried extracting specific timeline(10 sec) frame with picture

    


    ffmpeg -i sample.mp4 -ss 00:00:10 -frames:v 1 test1.png


    


    This output picture, I can not find same one among my Keyframes I get.

    


    Question : test1.png, What is frame type ? Does it one of P or B frame not I ?

    


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