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Sur d’autres sites (13887)

  • FFMPEG avformat_open_input returns unpopulated Format context

    21 avril 2013, par Michael IV

    I am trying to load avi and flv files programatically with FFMPEG API.The files seem to get loaded because avformat_open_input doesn't return 0 .But when inspecting AVFormatContext variable for every property in the inspector I am getting just "Unable to read memory" .Here is how I do it :

                av_register_all();
    
    avcodec_register_all();
    
    AVFormatContext *pFormatCtx=avformat_alloc_context();
    

    

    
    if(avformat_open_input(&pFormatCtx,"assest/comp1.avi",NULL,NULL) !=0)
    
    {
    

    
        printf("%s","Movie load Success");
    
    }else{
    

    

    
        printf("%s","Movie load Fail");
    
    }  

    I am using VisualStudio 2010 C++ compiler .Windows 7.

    UPDATE :

    Ok ,Please discard this question.I found the error.It was a stupid typo in the file directory path.

  • Cuda has limit on ffmpeg process

    15 mars 2021, par R.A.M

    
i'm using ffmpeg and cuda for my video transcode process.
    
so i have one problem.
    
look at below image : [![enter image description here][1]][1]


    
note : if image not loaded use this link : https://i.stack.imgur.com/w4jXk.png

    
one process just use 263MiB of my second GPU. not completly use that !!
    
that is not good. i think there should be a way to remove this limitation for gpu process.
    
my ffmpeg command that i run is :

    


    ffmpeg -y -loglevel info -hwaccel cuda -hwaccel_output_format cuda -hwaccel_device 1 -i "MYVIDEO" -vf scale_npp=w=426:h=240 -c:v h264_nvenc -profile:v main -b:v 400k -sc_threshold 0 -g 25 -keyint_min 25 -bf 2   -c:a aac -b:a 64k -ar 48000   -f hls -hls_time 6 -hls_playlist_type vod   -hls_allow_cache 1   -hls_segment_filename f-0-seg-%d.ts f-0.m3u8


    


    thank

    


  • Xcode - Missing Library Error in Mac Catalyst when distributed through Testflight

    12 avril 2023, par STerrier

    The iOS version of the app is functioning correctly on TestFlight, and there are no issues when building the Mac Catalyst version of the app from Xcode. However, when distributing the app to TestFlight for Mac Catalyst, the FFmpegkit library fails to load, resulting in a crash. The crash report indicates that the library is missing and cannot be located in the designated file path.

    


    Specifically, the crash report states that the library could not be loaded from "@rpath/ffmpegkit.framework/ffmpegkit". Despite extensive efforts, I have been unable to resolve this issue. I have attempted to enable "@path expansion" but have been unsuccessful. Are there any alternative solutions to resolve this problem ?

    


    Thanks for your help

    


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