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Sur d’autres sites (11588)

  • Error initializing output stream ffmpeg on Rasbpi converting jpg to video

    5 avril 2021, par Jake

    I have a folder with thousands of jpgs at 1024x768 that I want to convert into a single video for playback.

    


    The error I get is Error initializing output stream 73:0 -- Error while opening encoder for output stream #73:0 - maybe incorrect parameters such as bit_rate, rate, width or height Conversion failed!

    


    Here's my input $ ffmpeg -i Timelapse/*.jpg -c:v libx264 -preset ultrafast -crf 0 output.mkv -y

    


    What is strange is it errors on a specific numbered output stream. It seems to be either 71:0, 72:0, or 73:0. I thought it was something wrong with the file it is attempting to process in the given stream but the resolution is all the same (as I've seen errors when its not divisible by 2). I've deleted the 71st-73rd image in hopes it was somehow messed up but that doesn't help either. I've ensured my libx264 is installed correctly as well.

    


    Any suggestions ?

    


    Terminal output example

    


    Terminal output example

    


  • Error initializing output stream ffmpeg on Rasbpi converting jpg to video

    5 avril 2021, par Jake

    I have a folder with thousands of jpgs at 1024x768 that I want to convert into a single video for playback.

    


    The error I get is Error initializing output stream 73:0 -- Error while opening encoder for output stream #73:0 - maybe incorrect parameters such as bit_rate, rate, width or height Conversion failed!

    


    Here's my input $ ffmpeg -i Timelapse/*.jpg -c:v libx264 -preset ultrafast -crf 0 output.mkv -y

    


    What is strange is it errors on a specific numbered output stream. It seems to be either 71:0, 72:0, or 73:0. I thought it was something wrong with the file it is attempting to process in the given stream but the resolution is all the same (as I've seen errors when its not divisible by 2). I've deleted the 71st-73rd image in hopes it was somehow messed up but that doesn't help either. I've ensured my libx264 is installed correctly as well.

    


    Any suggestions ?

    


    Terminal output example

    


    Terminal output example

    


  • Automatically match output file with input file (Applescript x FFMPEG)

    2 mars 2018, par Wallie

    I use the following AppleScript as an Automator Service to right click a video file in the finder and burn in a matching subtitle file (.ass) with an ffmpeg terminal command. In this case ffmpeg encodes a new Prores 422(HQ) file.

    on run {input, parameters}
    
tell application "Terminal"
    
    activate
    
    set filesString to ""
    
    repeat with file_ in input
    
        set filesString to filesString & " " & quoted form of (POSIX path of file_)
    
    end repeat
    
    do script "for f in" & filesString & "; do  
    
base=$f  
    
ffmpeg -y -i \"$base\" -c:v prores -profile:v 3 -pix_fmt yuv422p10le -vf \"ass=${base%.*}.ass\" -c:a copy \"${base%.*}_sub.mov\";
    
done"
    
    end tell
    
    return input
    
end run

    Would it be possible to automatically match the output file and it’s codec to the input file ?
    We use a lot of different input formats due to a mixed windows / mac environment (Prores (mov), dnxhr (mxf/mov)) and I would like to not have 8-12 encoding options in the finder service menu’s of the workstations :).

    Thanks in advance !!

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