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  • How to use FFmpeg and GeForce Hardware to decode and encode 4K MKV movie to 1080p [closed]

    27 janvier 2023, par slyfox1186

    I am struggling with the instruction provided to convert a 4k Movie to 1080p so I can run it easier on my plex server.

    


    I have a Geforce 1080Ti and have enable cuda and all the necessary options when building ffmpeg.

    


    I keep getting a weird error and I am stuck at the below point.

    


    Here is my code that I am working on currently

    


    REM @ECHO OFF
SETLOCAL ENABLEDELAYEDEXPANSION
COLOR 0A
TITLE CONVERT 4K TO 1080P USING GEFORCE HW

PUSHD "%~dp0"

SET "FF=C:\MAB\local64\bin-video\ffmpeg.exe"

FOR /R %%G IN (*.mkv) DO (
    "%FF%" -hide_banner -hwaccel cuda -y -i "%%~dpnG.mkv" -c:v h264_nvenc -preset slow -pix_fmts yuv420p10le -vf scale='1920:-1' -c:a copy "%%~dpnG(1080p).mkv"
    )

ECHO.
PAUSE
EXIT



    


    below is the error output I get when running the above command

    


    Guessed Channel Layout for Input Stream #0.1 : 5.1
Input #0, matroska,webm, from 'Mulan_2020.mkv':
  Metadata:
    title           : mandtv.net
    encoder         : libebml v1.4.0 + libmatroska v1.6.2
    creation_time   : 2020-09-10T05:08:02.000000Z
  Duration: 01:55:08.70, start: 0.000000, bitrate: 16704 kb/s
    Stream #0:0(eng): Video: hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x1608 [SAR 1:1 DAR 160:67], 23.98 fps, 23.98 tbr, 1k tbn, 23.98 tbc (default)
    Metadata:
      BPS-eng         : 15933746
      DURATION-eng    : 01:55:08.652000000
      NUMBER_OF_FRAMES-eng: 165642
      NUMBER_OF_BYTES-eng: 13760089087
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:1(eng): Audio: eac3, 48000 Hz, 5.1, fltp (default) (forced)
    Metadata:
      title           : En
      BPS-eng         : 768000
      DURATION-eng    : 01:55:08.704000000
      NUMBER_OF_FRAMES-eng: 215897
      NUMBER_OF_BYTES-eng: 663235584
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:2(eng): Subtitle: subrip
    Metadata:
      title           : English
      BPS-eng         : 35
      DURATION-eng    : 01:50:28.504000000
      NUMBER_OF_FRAMES-eng: 1150
      NUMBER_OF_BYTES-eng: 29135
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:3(ger): Subtitle: subrip
    Metadata:
      title           : de
      BPS-eng         : 2
      DURATION-eng    : 00:03:07.062000000
      NUMBER_OF_FRAMES-eng: 2
      NUMBER_OF_BYTES-eng: 53
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:4(ger): Subtitle: subrip
    Metadata:
      title           : de
      BPS-eng         : 27
      DURATION-eng    : 01:54:16.482000000
      NUMBER_OF_FRAMES-eng: 933
      NUMBER_OF_BYTES-eng: 23256
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:5(fre): Subtitle: subrip
    Metadata:
      title           : fr
      BPS-eng         : 0
      DURATION-eng    : 01:40:51.510000000
      NUMBER_OF_FRAMES-eng: 21
      NUMBER_OF_BYTES-eng: 380
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:6(fre): Subtitle: subrip
    Metadata:
      title           : fr
      BPS-eng         : 29
      DURATION-eng    : 01:54:19.902000000
      NUMBER_OF_FRAMES-eng: 806
      NUMBER_OF_BYTES-eng: 25098
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:7(spa): Subtitle: subrip
    Metadata:
      title           : es
      BPS-eng         : 2
      DURATION-eng    : 00:03:21.201000000
      NUMBER_OF_FRAMES-eng: 3
      NUMBER_OF_BYTES-eng: 73
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:8(spa): Subtitle: subrip
    Metadata:
      title           : es
      BPS-eng         : 30
      DURATION-eng    : 01:43:53.693000000
      NUMBER_OF_FRAMES-eng: 783
      NUMBER_OF_BYTES-eng: 24134
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:9(ita): Subtitle: subrip
    Metadata:
      title           : it
      BPS-eng         : 2
      DURATION-eng    : 00:03:08.522000000
      NUMBER_OF_FRAMES-eng: 2
      NUMBER_OF_BYTES-eng: 67
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:10(ita): Subtitle: subrip
    Metadata:
      title           : it
      BPS-eng         : 27
      DURATION-eng    : 01:54:16.649000000
      NUMBER_OF_FRAMES-eng: 784
      NUMBER_OF_BYTES-eng: 23506
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:11(por): Subtitle: subrip
    Metadata:
      title           : pt
      BPS-eng         : 27
      DURATION-eng    : 01:54:16.649000000
      NUMBER_OF_FRAMES-eng: 784
      NUMBER_OF_BYTES-eng: 23202
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:12(por): Subtitle: subrip
    Metadata:
      title           : pt
      BPS-eng         : 2
      DURATION-eng    : 00:03:08.522000000
      NUMBER_OF_FRAMES-eng: 2
      NUMBER_OF_BYTES-eng: 61
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:13(rus): Subtitle: subrip (default)
    Metadata:
      title           : ru
      BPS-eng         : 0
      DURATION-eng    : 01:37:43.480000000
      NUMBER_OF_FRAMES-eng: 9
      NUMBER_OF_BYTES-eng: 420
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:14(rus): Subtitle: subrip
    Metadata:
      title           : ru
      BPS-eng         : 50
      DURATION-eng    : 01:44:17.000000000
      NUMBER_OF_FRAMES-eng: 850
      NUMBER_OF_BYTES-eng: 39721
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:15(ukr): Subtitle: subrip
    Metadata:
      title           : uk
      BPS-eng         : 50
      DURATION-eng    : 01:43:53.650000000
      NUMBER_OF_FRAMES-eng: 848
      NUMBER_OF_BYTES-eng: 39165
      _STATISTICS_WRITING_APP-eng: mkvmerge v50.0.0 ('Awakenings') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-09-10 05:08:02
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream mapping:
  Stream #0:0 -> #0:0 (hevc (native) -> h264 (h264_nvenc))
  Stream #0:1 -> #0:1 (copy)
  Stream #0:2 -> #0:2 (subrip (srt) -> ass (ssa))
Press [q] to stop, [?] for help
[h264_nvenc @ 000002306685ccc0] 10 bit encode not supported
[h264_nvenc @ 000002306685ccc0] Provided device doesn't support required NVENC features
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!


    


    Can anyone spot what I'm missing ?

    


  • cuda invalid resource handle when using h264_cuvid decoder to decode video in my C program

    29 juillet 2021, par ChrisFisher

    I try to use GPU acceleration in my ffmpeg decode program, and I check the codecs of ffmpeg by command :ffmpeg -codecs | grep nv, and it shows that I can use h264_cuvid decoder(In fact, I have already used ffmpeg command line to encode and decode a test video with hardware acceleration and it turned out everything was all fine), but when I use the decoder in my program

    


    AVCodec *pCodec = avcodec_find_decoder_by_name("h264_cuvid");

    


    here is part of my program

    


    void FFMPEGCodec::initDecoder()
{
    AVCodec *pCodec = avcodec_find_decoder(AV_CODEC_ID_H264);
    if (!pCodec) {
        LOG("Codec decoder not found\n");
        exit(1);
    }

    pCodecCtx = avcodec_alloc_context3(pCodec);
    if (!pCodecCtx) {
        LOG("Could not allocate video codec context\n");
        exit(1);
    }

    pCodecCtx->width = gConfig->totalWidth;
    pCodecCtx->height = gConfig->totalHeight;
    pCodecCtx->has_b_frames = 0;

    if (avcodec_open2(pCodecCtx, pCodec, NULL) < 0) {
        LOG("Could not open codec\n");
        exit(1);
    }

    if(_x264rgb){
        //used to convert GBRP frame to RGB image.
        convertCtx = sws_getContext(gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_GBRP, 
        gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_RGB24, SWS_FAST_BILINEAR, NULL, NULL, NULL); 
    } else {
        //used to convert YUV frame to RGB image.
        convertCtx = sws_getContext(gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_YUV420P, 
        gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_RGB24, SWS_FAST_BILINEAR, NULL, NULL, NULL); 
    }

    if(convertCtx == NULL){
        LOG("Failed to get SwsContext\n");
        exit(1);
    }

    //when using x264rgb, it's actually GBRP frame, 
    //just don't want to define another variable
    yuvFrame = av_frame_alloc();
    if (!yuvFrame) {
        LOG("Failed to allocate yuv frame\n");
        exit(1);
    }

    rgbFrame = av_frame_alloc();
    if (!rgbFrame) {
        LOG("Failed to allocate rgb frame\n");
        exit(1);
    }

    rgbFrame->format = AV_PIX_FMT_RGB24;
    rgbFrame->width  = pCodecCtx->width;
    rgbFrame->height = pCodecCtx->height;
 
    int ret = av_image_alloc(rgbFrame->data, rgbFrame->linesize, rgbFrame->width, rgbFrame->height,
                         AV_PIX_FMT_RGB24, 32);
    if (ret < 0) {
        LOG("Failed to allocate raw picture buffer\n");
        exit(1);
    }
}   


    


    and

    


    int FFMPEGCodec::decode(byte* pktData, int pktSize, byte* imgData)
{
    int ret = 0, got_packet = 0;
    AVPacket pkt;
    av_init_packet(&pkt);
    pkt.data = pktData;
    pkt.size = pktSize;

    // decode video frame
    ret = avcodec_decode_video2(pCodecCtx, yuvFrame, &got_packet, &pkt);
    if (ret < 0) {
        LOG("Error decoding frame\n");
        return -1;
    }

    sws_scale(convertCtx, yuvFrame->data, yuvFrame->linesize, 0, pCodecCtx->height, rgbFrame->data, rgbFrame->linesize);
    
    if (got_packet) {
        int width = pCodecCtx->width, height = pCodecCtx->height;
        int fsize = rgbFrame->linesize[0] * rgbFrame->height;
        int size = 54 + fsize;

        byte bmp_file_header[14] = { 'B', 'M', 0, 0, 0, 0, 0, 0, 0, 0, 54, 0, 0, 0, };
        byte bmp_info_header[40] = { 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 24, 0, };
        byte bmp_pad[3] = { 0, 0, 0 };

        bmp_file_header[2] = (unsigned char)size;
        bmp_file_header[3] = (unsigned char)(size >> 8);
        bmp_file_header[4] = (unsigned char)(size >> 16);
        bmp_file_header[5] = (unsigned char)(size >> 24);

        bmp_info_header[4] = (unsigned char)(width);
        bmp_info_header[5] = (unsigned char)(width >> 8);
        bmp_info_header[6] = (unsigned char)(width >> 16);
        bmp_info_header[7] = (unsigned char)(width >> 24);
        bmp_info_header[8] = (unsigned char)(height);
        bmp_info_header[9] = (unsigned char)(height >> 8);
        bmp_info_header[10] = (unsigned char)(height >> 16);
        bmp_info_header[11] = (unsigned char)(height >> 24);

        memcpy(imgData, bmp_file_header, 14);
        memcpy(imgData + 14, bmp_info_header, 40);
        memcpy(imgData + 54, rgbFrame->data[0], fsize);
        ret = size;
    }
    av_free_packet(&pkt);

    return ret;
}



    


    after compiling, I ran the program, and the decoder throw me a error :

    


    ctx->cvdl->cuvidDecodePicture(ctx->cudecoder, picparams) failed -> CUDA_ERROR_INVALID_HANDLE: invalid resource handle
when calling the function avcodec_decode_video2

    


    I don't know why this error occurred, by the way, I use a GTX1060 6G(Sorry I'm not a native English speaker)

    


  • cuda invalid resource handle when using h264_cuvid decoder in my C program [closed]

    29 juillet 2021, par ChrisFisher

    I try to use GPU acceleration in my ffmpeg decode program, and I check the codecs of ffmpeg by command :ffmpeg -codecs | grep nv, and it shows that I can use h264_cuvid decoder(In fact, I have already used ffmpeg command line to encode and decode a test video with hardware acceleration and it turned out everything was all fine), but when I use the decoder in my program

    


    AVCodec *pCodec = avcodec_find_decoder_by_name("h264_cuvid");

    


    here is part of my program

    


    void FFMPEGCodec::initDecoder()
{
    AVCodec *pCodec = avcodec_find_decoder(AV_CODEC_ID_H264);
    if (!pCodec) {
        LOG("Codec decoder not found\n");
        exit(1);
    }

    pCodecCtx = avcodec_alloc_context3(pCodec);
    if (!pCodecCtx) {
        LOG("Could not allocate video codec context\n");
        exit(1);
    }

    pCodecCtx->width = gConfig->totalWidth;
    pCodecCtx->height = gConfig->totalHeight;
    pCodecCtx->has_b_frames = 0;

    if (avcodec_open2(pCodecCtx, pCodec, NULL) < 0) {
        LOG("Could not open codec\n");
        exit(1);
    }

    if(_x264rgb){
        //used to convert GBRP frame to RGB image.
        convertCtx = sws_getContext(gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_GBRP, 
        gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_RGB24, SWS_FAST_BILINEAR, NULL, NULL, NULL); 
    } else {
        //used to convert YUV frame to RGB image.
        convertCtx = sws_getContext(gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_YUV420P, 
        gConfig->totalWidth, gConfig->totalHeight, AV_PIX_FMT_RGB24, SWS_FAST_BILINEAR, NULL, NULL, NULL); 
    }

    if(convertCtx == NULL){
        LOG("Failed to get SwsContext\n");
        exit(1);
    }

    //when using x264rgb, it's actually GBRP frame, 
    //just don't want to define another variable
    yuvFrame = av_frame_alloc();
    if (!yuvFrame) {
        LOG("Failed to allocate yuv frame\n");
        exit(1);
    }

    rgbFrame = av_frame_alloc();
    if (!rgbFrame) {
        LOG("Failed to allocate rgb frame\n");
        exit(1);
    }

    rgbFrame->format = AV_PIX_FMT_RGB24;
    rgbFrame->width  = pCodecCtx->width;
    rgbFrame->height = pCodecCtx->height;
 
    int ret = av_image_alloc(rgbFrame->data, rgbFrame->linesize, rgbFrame->width, rgbFrame->height,
                         AV_PIX_FMT_RGB24, 32);
    if (ret < 0) {
        LOG("Failed to allocate raw picture buffer\n");
        exit(1);
    }
}   


    


    and

    


    int FFMPEGCodec::decode(byte* pktData, int pktSize, byte* imgData)
{
    int ret = 0, got_packet = 0;
    AVPacket pkt;
    av_init_packet(&pkt);
    pkt.data = pktData;
    pkt.size = pktSize;

    // decode video frame
    ret = avcodec_decode_video2(pCodecCtx, yuvFrame, &got_packet, &pkt);
    if (ret < 0) {
        LOG("Error decoding frame\n");
        return -1;
    }

    sws_scale(convertCtx, yuvFrame->data, yuvFrame->linesize, 0, pCodecCtx->height, rgbFrame->data, rgbFrame->linesize);
    
    if (got_packet) {
        int width = pCodecCtx->width, height = pCodecCtx->height;
        int fsize = rgbFrame->linesize[0] * rgbFrame->height;
        int size = 54 + fsize;

        byte bmp_file_header[14] = { 'B', 'M', 0, 0, 0, 0, 0, 0, 0, 0, 54, 0, 0, 0, };
        byte bmp_info_header[40] = { 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 24, 0, };
        byte bmp_pad[3] = { 0, 0, 0 };

        bmp_file_header[2] = (unsigned char)size;
        bmp_file_header[3] = (unsigned char)(size >> 8);
        bmp_file_header[4] = (unsigned char)(size >> 16);
        bmp_file_header[5] = (unsigned char)(size >> 24);

        bmp_info_header[4] = (unsigned char)(width);
        bmp_info_header[5] = (unsigned char)(width >> 8);
        bmp_info_header[6] = (unsigned char)(width >> 16);
        bmp_info_header[7] = (unsigned char)(width >> 24);
        bmp_info_header[8] = (unsigned char)(height);
        bmp_info_header[9] = (unsigned char)(height >> 8);
        bmp_info_header[10] = (unsigned char)(height >> 16);
        bmp_info_header[11] = (unsigned char)(height >> 24);

        memcpy(imgData, bmp_file_header, 14);
        memcpy(imgData + 14, bmp_info_header, 40);
        memcpy(imgData + 54, rgbFrame->data[0], fsize);
        ret = size;
    }
    av_free_packet(&pkt);

    return ret;
}



    


    after compiling, I ran the program, and the decoder throw me a error :

    


    ctx->cvdl->cuvidDecodePicture(ctx->cudecoder, picparams) failed -> CUDA_ERROR_INVALID_HANDLE: invalid resource handle
when calling the function avcodec_decode_video2

    


    I don't know why this error occurred, by the way, I use a GTX1060 6G(Sorry I'm not a native English speaker)