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  • ffmpeg 'error parsing the packet header' when concatenating mp3 files

    27 décembre 2020, par Dtomper

    I downloaded many songs from youtube and mixed them using this command : ffmpeg -f concat -safe 0 -i mylist.txt -map 0:a mixed.mp3 where mylist.txt is a list of all the downloaded files.
During the exportation I kept getting the following error :

    


    [opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input
[opus @ 0000022f1bea3700] Error parsing the packet header.
Error while decoding stream #0:0: Invalid data found when processing input


    


    After the mix was exported, I heard it and there was a weird sound playing when it was the turn of this song : https://www.youtube.com/watch?v=iY0RwKIG_BQ

    


    At first, I used youtube-dl to download the song from python. After that, I used https://ytmp3.cc/ but none of them worked. I keep getting this error and that weird sound in the mix file.

    


  • using ffmpeg to rotate a RTSP stream and then restram that back to my local network ( usign windows )

    29 décembre 2022, par sesipod

    I would like to use FFMPEG to consume a stream from my cctv ip camera,rotate the video feed 90 and then re-streamt that back to my local network over rtsp. I would like to make this work on Windows only, and using the igpu in my machine to help with the cpu load. My camera does not support 90 degree rotation native so the use of FFMPEG would be nice help.

    


    Here is what I have tried so far but it will not give me anything that I can watch on VLC for example.

    


    ffmpeg -i rtsp://admin:passwordhere@192.168.1.147:554/h264Preview_01_main -vf "transpose=2" -c:v libx264 -b:v 1000k -s 640x480 -f rtsp


    


    rtsp://localhost:8888/live.sdp


    


  • How easy is it to create a YouTube to MP3 application using yt-dlp and ffmpeg ?

    26 juin 2022, par fowlis

    I was thinking I could automate the process of downloading a video and converting it to mp3 (or other formats).
    
Instead of doing the process myself (which doesn't take that long and isn't too much hassle), which looks something like this :
    
• yt-dlp https://www.youtube.com/watch?v=dQw4w9WgXcQ
    
• wait for download then (find and) rename file to something simpler for next command
    
• ffmpeg -i video.mp4 video.mp3


    


    I thought I could turn it into a simple JS (or other language) program instead, where it :

    


      

    1. Asks for link and what format I want it in

      2. 


    2. Downloads the video

      3. 


    3. Renames it (not sure how easy this is)

      4. 


    4. Turns it into requested format

      5. 


    5. Opens file location

      6. 


    


    If something like this is possible, please let me know some things I should know since I've never written a windows app before, and some general guidance for how I could do this.

    
I apologise if questions like this aren't exactly allowed on this site, its my first time posting too.
    
Thanks in advance !

    


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