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• C++ FFmpeg create mp4 file

  1er février 2021, par DDovzhenko

  I'm trying to create mp4 video file with FFmpeg and C++, but in result I receive broken file (windows player shows "Can't play ... 0xc00d36c4"). If I create .h264 file, it can be played with 'ffplay' and successfully converted to mp4 via CL.

  



  My code :

  



  int main() {
    char *filename = "tmp.mp4";
    AVOutputFormat *fmt;
    AVFormatContext *fctx;
    AVCodecContext *cctx;
    AVStream *st;

    av_register_all();
    avcodec_register_all();

    //auto detect the output format from the name
    fmt = av_guess_format(NULL, filename, NULL);
    if (!fmt) {
        cout << "Error av_guess_format()" << endl; system("pause"); exit(1);
    }

    if (avformat_alloc_output_context2(&fctx, fmt, NULL, filename) < 0) {
        cout << "Error avformat_alloc_output_context2()" << endl; system("pause"); exit(1);
    }


    //stream creation + parameters
    st = avformat_new_stream(fctx, 0);
    if (!st) {
        cout << "Error avformat_new_stream()" << endl; system("pause"); exit(1);
    }

    st->codecpar->codec_id = fmt->video_codec;
    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
    st->codecpar->width = 352;
    st->codecpar->height = 288;
    st->time_base.num = 1;
    st->time_base.den = 25;

    AVCodec *pCodec = avcodec_find_encoder(st->codecpar->codec_id);
    if (!pCodec) {
        cout << "Error avcodec_find_encoder()" << endl; system("pause"); exit(1);
    }

    cctx = avcodec_alloc_context3(pCodec);
    if (!cctx) {
        cout << "Error avcodec_alloc_context3()" << endl; system("pause"); exit(1);
    }

    avcodec_parameters_to_context(cctx, st->codecpar);
    cctx->bit_rate = 400000;
    cctx->width = 352;
    cctx->height = 288;
    cctx->time_base.num = 1;
    cctx->time_base.den = 25;
    cctx->gop_size = 12;
    cctx->pix_fmt = AV_PIX_FMT_YUV420P;
    if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
        av_opt_set(cctx->priv_data, "preset", "ultrafast", 0);
    }
    if (fctx->oformat->flags & AVFMT_GLOBALHEADER) {
        cctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
    }
    avcodec_parameters_from_context(st->codecpar, cctx);

    av_dump_format(fctx, 0, filename, 1);

    //OPEN FILE + WRITE HEADER
    if (avcodec_open2(cctx, pCodec, NULL) < 0) {
        cout << "Error avcodec_open2()" << endl; system("pause"); exit(1);
    }
    if (!(fmt->flags & AVFMT_NOFILE)) {
        if (avio_open(&fctx->pb, filename, AVIO_FLAG_WRITE) < 0) {
            cout << "Error avio_open()" << endl; system("pause"); exit(1);
        }
    }
    if (avformat_write_header(fctx, NULL) < 0) {
        cout << "Error avformat_write_header()" << endl; system("pause"); exit(1);
    }


    //CREATE DUMMY VIDEO
    AVFrame *frame = av_frame_alloc();
    frame->format = cctx->pix_fmt;
    frame->width = cctx->width;
    frame->height = cctx->height;
    av_image_alloc(frame->data, frame->linesize, cctx->width, cctx->height, cctx->pix_fmt, 32);

    AVPacket pkt;
    double video_pts = 0;
    for (int i = 0; i < 50; i++) {
        video_pts = (double)cctx->time_base.num / cctx->time_base.den * 90 * i;

        for (int y = 0; y < cctx->height; y++) {
            for (int x = 0; x < cctx->width; x++) {
                frame->data[0][y * frame->linesize[0] + x] = x + y + i * 3;
                if (y < cctx->height / 2 && x < cctx->width / 2) {
                    /* Cb and Cr */
                    frame->data[1][y * frame->linesize[1] + x] = 128 + y + i * 2;
                    frame->data[2][y * frame->linesize[2] + x] = 64 + x + i * 5;
                }
            }
        }

        av_init_packet(&pkt);
        pkt.flags |= AV_PKT_FLAG_KEY;
        pkt.pts = frame->pts = video_pts;
        pkt.data = NULL;
        pkt.size = 0;
        pkt.stream_index = st->index;

        if (avcodec_send_frame(cctx, frame) < 0) {
            cout << "Error avcodec_send_frame()" << endl; system("pause"); exit(1);
        }
        if (avcodec_receive_packet(cctx, &pkt) == 0) {
            //cout << "Write frame " << to_string((int) pkt.pts) << endl;
            av_interleaved_write_frame(fctx, &pkt);
            av_packet_unref(&pkt);
        }
    }

    //DELAYED FRAMES
    for (;;) {
        avcodec_send_frame(cctx, NULL);
        if (avcodec_receive_packet(cctx, &pkt) == 0) {
            //cout << "-Write frame " << to_string((int)pkt.pts) << endl;
            av_interleaved_write_frame(fctx, &pkt);
            av_packet_unref(&pkt);
        }
        else {
            break;
        }
    }

    //FINISH
    av_write_trailer(fctx);
    if (!(fmt->flags & AVFMT_NOFILE)) {
        if (avio_close(fctx->pb) < 0) {
            cout << "Error avio_close()" << endl; system("pause"); exit(1);
        }
    }
    av_frame_free(&frame);
    avcodec_free_context(&cctx);
    avformat_free_context(fctx);

    system("pause");
    return 0;
}


  



  Output of program :

  



  Output #0, mp4, to 'tmp.mp4':
    Stream #0:0: Video: h264, yuv420p, 352x288, q=2-31, 400 kb/s, 25 tbn
[libx264 @ 0000021c4a995ba0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000021c4a995ba0] profile Constrained Baseline, level 2.0
[libx264 @ 0000021c4a995ba0] 264 - core 152 r2851 ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=12 keyint_min=1 scenecut=0 intra_refresh=0 rc=abr mbtree=0 bitrate=400 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
[libx264 @ 0000021c4a995ba0] frame I:5     Avg QP: 7.03  size:  9318
[libx264 @ 0000021c4a995ba0] frame P:45    Avg QP: 4.53  size:  4258
[libx264 @ 0000021c4a995ba0] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 0000021c4a995ba0] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4: 100.0%  0.0%  0.0%  0.0%  0.0%    skip: 0.0%
[libx264 @ 0000021c4a995ba0] final ratefactor: 9.11
[libx264 @ 0000021c4a995ba0] coded y,uvDC,uvAC intra: 18.9% 21.8% 14.5% inter: 7.8% 100.0% 15.5%
[libx264 @ 0000021c4a995ba0] i16 v,h,dc,p:  4%  5%  5% 86%
[libx264 @ 0000021c4a995ba0] i8c dc,h,v,p:  2%  9%  6% 82%
[libx264 @ 0000021c4a995ba0] kb/s:264.68


  



  If I will try to play mp4 file with 'ffplay' it prints :

  



  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000026bf900] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 352x288, 138953 kb/s): unspecified pixel format
[h264 @ 00000000006c6ae0] non-existing PPS 0 referenced
[h264 @ 00000000006c6ae0] decode_slice_header error
[h264 @ 00000000006c6ae0] no frame!


  



  I've spent a lot of time without success of finding issue, what could be the reason of it ?

  



  Thank for help !

  


• FFmpeg stops encoding after x minutes when using Mjpeg

  31 janvier 2018, par Rune Aspvik

  I’m using ffmpeg in a node application with this command :

  ffmpeg -seekable 0 -i http://127.0.0.1:8100/Mjpeg/1?authToken=xxx -video_size 1280x720 -r 30 -pix_fmt yuv420p -y D:\Video\pflyers\test.mp4

  The encoding would stop after 28:53 every time. After some reading I figured I had to spawn the child instead of exec because of the large sterr output.

  Before doing that I wanted to see if that was in fact the issue so I tried doing :

  -nostats -hide_banner -loglevel panic

  to avoid the large output to sterr. FFmpeg still stopped after 28:53. Further I tried to write the sterr to log.txt instead of using the above code. I did so adding this to the end :

  2> log.txt

  Still it would stop at 28:53.

  Finally I tried running the command in cmd.exe resulting in the encoding stopping at 29:14.

  What I realized comparing the outputs from ffmpeg run from node and run from cmd.exe was that the encoding stopped when the log.txt reached 388kB.

  How can I fix this ?

  Here’s the full output :

  C:\Users\VossVind>ffmpeg -seekable 0 -i http://127.0.0.1:8100/Mjpeg/1?authToken=xxx -video_size 1280x720 -r 30 -pix_fmt yuv420p -y D:\Video\pflyers\test.mp4
  
  ffmpeg version 3.4 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 7.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth --enable-libmfx
  
    libavutil      55. 78.100 / 55. 78.100
  
    libavcodec     57.107.100 / 57.107.100
  
    libavformat    57. 83.100 / 57. 83.100
  
    libavdevice    57. 10.100 / 57. 10.100
  
    libavfilter     6.107.100 /  6.107.100
  
    libswscale      4.  8.100 /  4.  8.100
  
    libswresample   2.  9.100 /  2.  9.100
  
    libpostproc    54.  7.100 / 54.  7.100
  
  Input #0, mpjpeg, from 'http://127.0.0.1:8100/Mjpeg/1?authToken=xxx':
  
    Duration: N/A, bitrate: N/A
  
      Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 1280x720 [SAR 96:96 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  [swscaler @ 0000019639b27fc0] deprecated pixel format used, make sure you did set range correctly
  
  [libx264 @ 0000019639944040] using SAR=1/1
  
  [libx264 @ 0000019639944040] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
  
  [libx264 @ 0000019639944040] profile High, level 3.1
  
  [libx264 @ 0000019639944040] 264 - core 152 r2851 ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=18 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to 'D:\Video\pflyers\test.mp4':
  
    Metadata:
  
      encoder         : Lavf57.83.100
  
      Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 30 fps, 15360 tbn, 30 tbc
  
      Metadata:
  
        encoder         : Lavc57.107.100 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
  More than 1000 frames duplicated  114432kB time=00:03:17.80 bitrate=4739.3kbits/s dup=1000 drop=0 speed=0.95x
  
  frame=52544 fps= 29 q=-1.0 Lsize= 1050136kB time=00:29:11.36 bitrate=4912.0kbits/s dup=8757 drop=0 speed=0.972x
  
  video:1049508kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.059803%
  
  [libx264 @ 0000019639944040] frame I:261   Avg QP:20.59  size: 51862
  
  [libx264 @ 0000019639944040] frame P:15400 Avg QP:23.72  size: 33007
  
  [libx264 @ 0000019639944040] frame B:36883 Avg QP:24.55  size: 14989
  
  [libx264 @ 0000019639944040] consecutive B-frames:  0.9% 15.8%  2.5% 80.8%
  
  [libx264 @ 0000019639944040] mb I  I16..4: 17.1% 82.1%  0.8%
  
  [libx264 @ 0000019639944040] mb P  I16..4:  4.3% 48.4%  0.2%  P16..4: 12.3%  7.5%  4.8%  0.0%  0.0%    skip:22.5%
  
  [libx264 @ 0000019639944040] mb B  I16..4:  2.7% 15.6%  0.0%  B16..8: 22.3%  7.0%  1.8%  direct: 3.8%  skip:46.8%  L0:52.3% L1:34.0% BI:13.8%
  
  [libx264 @ 0000019639944040] 8x8 transform intra:88.6% inter:92.9%
  
  [libx264 @ 0000019639944040] coded y,uvDC,uvAC intra: 59.4% 33.6% 2.6% inter: 19.3% 10.9% 0.6%
  
  [libx264 @ 0000019639944040] i16 v,h,dc,p: 57% 30% 12%  1%
  
  [libx264 @ 0000019639944040] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 18% 45%  2%  1%  1%  2%  2%  3%
  
  [libx264 @ 0000019639944040] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 52% 24% 12%  2%  2%  2%  2%  2%  2%
  
  [libx264 @ 0000019639944040] i8c dc,h,v,p: 63% 17% 20%  1%
  
  [libx264 @ 0000019639944040] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0000019639944040] ref P L0: 43.8%  7.5% 29.1% 19.6%
  
  [libx264 @ 0000019639944040] ref B L0: 71.8% 21.2%  7.0%
  
  [libx264 @ 0000019639944040] ref B L1: 93.9%  6.1%
  
  [libx264 @ 0000019639944040] kb/s:4908.78

  Link to -v 48 verbose logging : https://pastebin.com/YwQx8bB2

• Add image to video using ffmpeg , the output file can't be played

  22 juin 2017, par StevenChen

  I need to watermark a mp4 video , but it is not working , It has bothered me for a week,please help me
  here is my code :

  ffmpeg -i sss01.mp4 -i watermark.png -filter_complex "[0:v][1:v] overlay=10:10" -pix_fmt yuv420p -c:a copy output.mp4

  ****This command was executed successfully ,but The size of output.mp4 only is 50kb and it cann’t play. the command detail :****

  >  ffmpeg -i sss01.mp4 -i watermark.png -filter_complex "[0:v][1:v] overlay=10:10" -pix_fmt yuv420p -c:a copy output.mp4  
  
   ffmpeg version git-2017-06-08-a3b5b60 Copyright (c) 2000-2017 the FFmpeg developers  
  
    built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-18)  
  
    configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-nonfree --enable-libfdk_aac --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-openssl  
  
    libavutil      55. 63.100 / 55. 63.100  
  
    libavcodec     57. 96.101 / 57. 96.101  
  
    libavformat    57. 72.101 / 57. 72.101  
  
    libavdevice    57.  7.100 / 57.  7.100  
  
    libavfilter     6. 91.100 /  6. 91.100  
  
    libswscale      4.  7.101 /  4.  7.101  
  
    libswresample   2.  8.100 /  2.  8.100  
  
    libpostproc    54.  6.100 / 54.  6.100  
  
  Input #0, png_pipe, from 'watermark.png':  
  
    Duration: N/A, bitrate: N/A  
  
      Stream #0:0: Video: png, rgba(pc), 215x115 [SAR 2835:2835 DAR 43:23], 25 tbr, 25 tbn, 25 tbc  
  
  Invalid file index 1 in filtergraph description [0:v][1:v] overlay=10:10.  
  
  [root@localhost wwwroot]# ffmpeg -i sss01.mp4 -i watermark.png -filter_complex "[0:v][1:v] overlay=10:10" -pix_fmt yuv420p -c:a copy output.mp4  
  
  ffmpeg version git-2017-06-08-a3b5b60 Copyright (c) 2000-2017 the FFmpeg developers  
  
    built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-18)  
  
    configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-nonfree --enable-libfdk_aac --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-openssl  
  
    libavutil      55. 63.100 / 55. 63.100  
  
    libavcodec     57. 96.101 / 57. 96.101  
  
    libavformat    57. 72.101 / 57. 72.101  
  
    libavdevice    57.  7.100 / 57.  7.100  
  
    libavfilter     6. 91.100 /  6. 91.100  
  
    libswscale      4.  7.101 /  4.  7.101  
  
    libswresample   2.  8.100 /  2.  8.100  
  
    libpostproc    54.  6.100 / 54.  6.100  
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sss01.mp4':  
  
    Metadata:  
  
      major_brand     : isom  
  
      minor_version   : 512  
  
      compatible_brands: isomiso2avc1mp41  
  
      encoder         : Lavf57.72.101  
  
    Duration: 00:03:09.80, start: 0.000000, bitrate: 1547 kb/s  
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 1416 kb/s, 24 fps, 24 tbr, 90k tbn, 48 tbc (default)  
  
      Metadata:  
  
        handler_name    : VideoHandler  
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)  
  
      Metadata:  
  
        handler_name    : SoundHandler  
  
      Stream #0:2(eng): Subtitle: mov_text (tx3g / 0x67337874), 0 kb/s (default)  
  
      Metadata:  
  
        handler_name    : SubtitleHandler  
  
  Input #1, png_pipe, from 'watermark.png':  
  
    Duration: N/A, bitrate: N/A  
  
      Stream #1:0: Video: png, rgba(pc), 215x115 [SAR 2835:2835 DAR 43:23], 25 tbr, 25 tbn, 25 tbc  
  
  File 'output.mp4' already exists. Overwrite ? [y/N] y  
  
  Stream mapping:  
  
    Stream #0:0 (h264) -> overlay:main  
  
    Stream #1:0 (png) -> overlay:overlay  
  
    overlay -> Stream #0:0 (libx264)  
  
    Stream #0:1 -> #0:1 (copy)  
  
  Press [q] to stop, [?] for help  
  
  [libx264 @ 0xb4ee7e0] using SAR=1/1  
  
  [libx264 @ 0xb4ee7e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2  
  
  [libx264 @ 0xb4ee7e0] profile High, level 4.0  
  
  [libx264 @ 0xb4ee7e0] 264 - core 150 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=1 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00  
  
  Output #0, mp4, to 'output.mp4':  
  
    Metadata:  
  
      major_brand     : isom  
  
      minor_version   : 512  
  
      compatible_brands: isomiso2avc1mp41  
  
      encoder         : Lavf57.72.101  
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 24 fps, 12288 tbn, 24 tbc (default)  
  
      Metadata:  
  
        encoder         : Lavc57.96.101 libx264  
  
      Side data:  
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1  
  
      Stream #0:1(und): Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 125 kb/s (default)  
  
      Metadata:  
  
        handler_name    : SoundHandler  
  
  frame=   20 fps=0.0 q=0.0 size=       0kB time=00:00:00.81 bitrate=   0.0kbits/sframe=   30 fps= 29 q=0.0 size=       0kB time=00:00:01.23 bitrate=   0.0kbits/sframe=   37 fps= 23 q=0.0 size=       0kB time=00:00:01.50 bitrate=   0.0kbits/sframe=   42 fps= 11 q=28.0 size=      40kB time=00:00:01.71 bitrate= 190.6kbits/frame=   44 fps= 10 q=28.0 size=      46kB time=00:00:01.81 bitrate= 210.2kbits/Killedd=0.41x