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    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
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Sur d’autres sites (12180)

  • ffmpeg, libav : Recording RTSP at reduced frame rate without re-encoding

    6 janvier 2021, par synchronice

    I'm trying to record a chunk of an RTSP video stream (say 5 minutes) to an mp4 file. The RTSP video stream is H.264 encoded and at 30 FPS. I'd like to record it at 10 FPS by dropping frames, without re-encoding (benefit : uses less CPU, lossless).

    


      

    • Is this possible ?

      • 


    • How do I do this ? Examples using the libav libraries are most useful since I'm writing an application, but an ffmpeg command is also helpful.

      • 


    


    Thanks in advance.

    


  • FFMPEG with python : Only audio is playing when trying to replace the audio in video

    5 mai 2021, par Danny

    Hey guys I am a noob with ffmpeg and trying to replace the audio with a new audio, I have gone through some SO questions and still having trouble solving the problem. As of now, I am getting only the audio with the specified duration and only able to play it in vlc player. The video is not showing.

    


    Can someone tell me how to properly do it ?

    


    This is the command.

    


    process = subprocess.call([settings.VIDEO_ENCODING_FFMPEG_PATH, 
                "-probesize", "10M", "-i", input_file_path, "-i", input_audio_path, "-crf", "28",
                "-ss", 0, "-t", 50, "-vcodec", "libx264", "-b:v", "4M", "-preset", "medium",
                "-map", '0:v', "-map", "1:a", "-b:a", "64k", output_file_path])


    


    Thanks in advance.

    


  • ffmpeg binary installed but video play and decode error [closed]

    27 mars 2022, par irbad

    I built a website like YouTube but I have some errors that I can't solve. I upload a video with webm. Format, video uploaded successfully but not play. Ffmpeg binary already installed. Video converted to different formats (240p, 360p, 720p, 1080p, 2k) but not play. Please help me to solve this problem.

    


    Thank you 😊 in advance

    


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