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  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
    MediaSPIP farm @ Infini
    The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

Sur d’autres sites (6946)

  • 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  

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