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  • How to send ffmpeg AVPacket through WebRTC (using libdatachannel)

    14 novembre 2022, par mike

    I'm encoding a video frame with the ffmpeg libraries, generating an AVPacket with compressed data.

    


    Thanks to some recent advice here on S/O, I am trying to send that frame over a network using the WebRTC library libdatachannel, specifically by adapting the example here :

    


    https://github.com/paullouisageneau/libdatachannel/tree/master/examples/streamer

    


    I am seeing problems inside h264rtppacketizer.cpp (part of the library, not the example) which are almost certainly to do with how I'm providing the sample data.
(I don't think that this is anything to do with libdatachannel specifically, it will be an issue with what I'm sending)

    


    The example code reads each encoded frame from a file, and populates a sample by setting the content of the file to the contents of the file :

    


    sample = *reinterpret_cast *>(&fileContents);

    


    sample is just a std::vector<byte>;</byte>

    &#xA;

    I have naively copied the contents of an AVPacket->data pointer into the sample vector :

    &#xA;

    sample.resize(pkt->size);&#xA;memcpy(sample.data(), pkt->data, pkt->size * sizeof(std::byte));    &#xA;

    &#xA;

    but the packetizer is falling over when trying to get length values out of that data.&#xA;Specifically, in the following code, the first iteration gets a length of 1, but the second, looking up index 5, gives 1119887324. This is way too big for my data, which is only 3526 bytes (the whole frame is a single colour so likely to be small once encoded) :

    &#xA;

    while (index &lt; message->size()) {&#xA;assert(index &#x2B; 4 &lt; message->size());&#xA;auto lengthPtr = (uint32_t *)(message->data() &#x2B; index);&#xA;uint32_t length = ntohl(*lengthPtr);&#xA;auto naluStartIndex = index &#x2B; 4;&#xA;auto naluEndIndex = naluStartIndex &#x2B; length;&#xA;assert(naluEndIndex &lt;= message->size());    &#xA;        &#xA;auto begin = message->begin() &#x2B; naluStartIndex;&#xA;auto end = message->begin() &#x2B; naluEndIndex;&#xA;nalus->push_back(std::make_shared<nalunit>(begin, end));&#xA;index = naluEndIndex;&#xA;}&#xA;</nalunit>

    &#xA;

    Here is a dump of

    &#xA;

    uint32_t length = ntohl(*lengthPtr);&#xA;

    &#xA;

    for the first few elements of the message (*lengthPtr in parentheses) :

    &#xA;

    [2022-03-29 15:12:01.182] [info] index 0: 1  (16777216)&#xA;[2022-03-29 15:12:01.183] [info] index 1: 359  (1728118784)&#xA;[2022-03-29 15:12:01.184] [info] index 2: 91970  (1114046720)&#xA;[2022-03-29 15:12:01.186] [info] index 3: 23544512  (3225577217)&#xA;[2022-03-29 15:12:01.186] [info] index 4: 1732427807  (532693607)&#xA;[2022-03-29 15:12:01.187] [info] index 5: 1119887324  (3693068354)&#xA;[2022-03-29 15:12:01.188] [info] index 6: 3223313413  (98312128)&#xA;[2022-03-29 15:12:01.188] [info] index 7: 534512896  (384031)&#xA;[2022-03-29 15:12:01.188] [info] index 8: 3691315291  (1526728156)&#xA;[2022-03-29 15:12:01.189] [info] index 9: 83909537  (2707095557)&#xA;[2022-03-29 15:12:01.189] [info] index 10: 6004992  (10574592)&#xA;[2022-03-29 15:12:01.190] [info] index 11: 1537277952  (41307)&#xA;[2022-03-29 15:12:01.190] [info] index 12: 2701131779  (50331809)&#xA;[2022-03-29 15:12:01.192] [info] index 13: 768  (196608)&#xA;

    &#xA;

    (I know I should post a complete sample, I am working on it)

    &#xA;

      &#xA;
    • I am fairly sure I am just missing something basic. E.g. am I supposed to do something with the AVPacket side_data, does AVPacket have or miss some header info ?

      &#xA;

    • &#xA;

    • If I just fwrite the pkt->data for a single frame to disk, I can read the codec information with ffprobe :

      &#xA;

    • &#xA;

    &#xA;

    Input #0, h264, from &#x27;encodedOut.h264&#x27;:&#xA;Duration: N/A, bitrate: N/A&#xA;Stream #0:0: Video: h264 (Constrained Baseline), yuv420p(progressive), 1280x720, 30 tbr, 1200k tbn&#xA;

    &#xA;

    Update : This issue is solved by changing the H264RtpPacketizer separator setting from H264RtpPacketizer::Separator::Length to H264RtpPacketizer::Separator::LongStartSequence, many thanks to author of libdatachannel paullouisageneau (see answer below)

    &#xA;

    I have issues related to settings for the libx264 encoder, but can happily encode with h264_nvenc and h264_mf

    &#xA;

  • all : Replace if (ARCH_FOO) checks by #if ARCH_FOO

    12 juin 2022, par Andreas Rheinhardt
    all : Replace if (ARCH_FOO) checks by #if ARCH_FOO
    

    This is more spec-compliant because it does not rely
    on dead-code elimination by the compiler. Especially
    MSVC has problems with this, as can be seen in
    https://ffmpeg.org/pipermail/ffmpeg-devel/2022-May/296373.html
    or
    https://ffmpeg.org/pipermail/ffmpeg-devel/2022-May/297022.html

    This commit does not eliminate every instance where we rely
    on dead code elimination : It only tackles branching to
    the initialization of arch-specific dsp code, not e.g. all
    uses of CONFIG_ and HAVE_ checks. But maybe it is already
    enough to compile FFmpeg with MSVC with whole-programm-optimizations
    enabled (if one does not disable too many components).

    Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

    • [DH] libavcodec/aacdec_template.c
    • [DH] libavcodec/aacenc.c
    • [DH] libavcodec/aacpsdsp_template.c
    • [DH] libavcodec/aacsbr_template.c
    • [DH] libavcodec/ac3dsp.c
    • [DH] libavcodec/acelp_filters.c
    • [DH] libavcodec/acelp_vectors.c
    • [DH] libavcodec/alacdsp.c
    • [DH] libavcodec/audiodsp.c
    • [DH] libavcodec/blockdsp.c
    • [DH] libavcodec/bswapdsp.c
    • [DH] libavcodec/cavsdsp.c
    • [DH] libavcodec/celp_filters.c
    • [DH] libavcodec/celp_math.c
    • [DH] libavcodec/cfhddsp.c
    • [DH] libavcodec/cfhdencdsp.c
    • [DH] libavcodec/dcadsp.c
    • [DH] libavcodec/dct.c
    • [DH] libavcodec/dirac_dwt.c
    • [DH] libavcodec/diracdsp.c
    • [DH] libavcodec/dnxhdenc.c
    • [DH] libavcodec/exrdsp.c
    • [DH] libavcodec/fdctdsp.c
    • [DH] libavcodec/fft_template.c
    • [DH] libavcodec/flacdsp.c
    • [DH] libavcodec/fmtconvert.c
    • [DH] libavcodec/g722dsp.c
    • [DH] libavcodec/h263dsp.c
    • [DH] libavcodec/h264chroma.c
    • [DH] libavcodec/h264dsp.c
    • [DH] libavcodec/h264pred.c
    • [DH] libavcodec/h264qpel.c
    • [DH] libavcodec/hevcdsp.c
    • [DH] libavcodec/hevcpred.c
    • [DH] libavcodec/hpeldsp.c
    • [DH] libavcodec/huffyuvdsp.c
    • [DH] libavcodec/huffyuvencdsp.c
    • [DH] libavcodec/idctdsp.c
    • [DH] libavcodec/iirfilter.c
    • [DH] libavcodec/jpeg2000dsp.c
    • [DH] libavcodec/lossless_audiodsp.c
    • [DH] libavcodec/lossless_videodsp.c
    • [DH] libavcodec/lossless_videoencdsp.c
    • [DH] libavcodec/lpc.c
    • [DH] libavcodec/mdct15.c
    • [DH] libavcodec/me_cmp.c
    • [DH] libavcodec/mlpdsp.c
    • [DH] libavcodec/mpegaudiodsp.c
    • [DH] libavcodec/mpegvideo.c
    • [DH] libavcodec/mpegvideo_enc.c
    • [DH] libavcodec/mpegvideodsp.c
    • [DH] libavcodec/mpegvideoencdsp.c
    • [DH] libavcodec/opus_pvq.c
    • [DH] libavcodec/opusdsp.c
    • [DH] libavcodec/pixblockdsp.c
    • [DH] libavcodec/pngdsp.c
    • [DH] libavcodec/proresdsp.c
    • [DH] libavcodec/qpeldsp.c
    • [DH] libavcodec/rdft.c
    • [DH] libavcodec/rv34dsp.c
    • [DH] libavcodec/rv40dsp.c
    • [DH] libavcodec/sbcdsp.c
    • [DH] libavcodec/sbrdsp_template.c
    • [DH] libavcodec/snow_dwt.c
    • [DH] libavcodec/svq1enc.c
    • [DH] libavcodec/synth_filter.c
    • [DH] libavcodec/takdsp.c
    • [DH] libavcodec/ttadsp.c
    • [DH] libavcodec/ttaencdsp.c
    • [DH] libavcodec/utvideodsp.c
    • [DH] libavcodec/v210dec_init.h
    • [DH] libavcodec/v210enc_init.h
    • [DH] libavcodec/vc1dsp.c
    • [DH] libavcodec/videodsp.c
    • [DH] libavcodec/vorbisdsp.c
    • [DH] libavcodec/vp3dsp.c
    • [DH] libavcodec/vp56dsp.c
    • [DH] libavcodec/vp8dsp.c
    • [DH] libavcodec/vp9dsp.c
    • [DH] libavcodec/wmv2dsp.c
    • [DH] libavcodec/x86/mdct15_init.c
    • [DH] libavcodec/xvididct.c
    • [DH] libavfilter/af_afirdsp.h
    • [DH] libavfilter/af_anlmdn.c
    • [DH] libavfilter/af_volume.c
    • [DH] libavfilter/avf_showcqt.c
    • [DH] libavfilter/colorspacedsp.c
    • [DH] libavfilter/scene_sad.c
    • [DH] libavfilter/vf_atadenoise.c
    • [DH] libavfilter/vf_blend_init.h
    • [DH] libavfilter/vf_bwdif.c
    • [DH] libavfilter/vf_eq.h
    • [DH] libavfilter/vf_framerate.c
    • [DH] libavfilter/vf_fspp.c
    • [DH] libavfilter/vf_gblur_init.h
    • [DH] libavfilter/vf_gradfun.c
    • [DH] libavfilter/vf_hflip_init.h
    • [DH] libavfilter/vf_hqdn3d.c
    • [DH] libavfilter/vf_idet.c
    • [DH] libavfilter/vf_limiter.c
    • [DH] libavfilter/vf_lut3d.c
    • [DH] libavfilter/vf_maskedclamp.c
    • [DH] libavfilter/vf_maskedmerge.c
    • [DH] libavfilter/vf_nlmeans_init.h
    • [DH] libavfilter/vf_noise.c
    • [DH] libavfilter/vf_overlay.c
    • [DH] libavfilter/vf_pp7.c
    • [DH] libavfilter/vf_psnr.c
    • [DH] libavfilter/vf_pullup.c
    • [DH] libavfilter/vf_removegrain.c
    • [DH] libavfilter/vf_spp.c
    • [DH] libavfilter/vf_ssim.c
    • [DH] libavfilter/vf_stereo3d.c
    • [DH] libavfilter/vf_threshold_init.h
    • [DH] libavfilter/vf_tinterlace.c
    • [DH] libavfilter/vf_transpose.c
    • [DH] libavfilter/vf_v360.c
    • [DH] libavfilter/vf_w3fdif.c
    • [DH] libavfilter/vf_yadif.c
    • [DH] libavutil/cpu.c
    • [DH] libavutil/fixed_dsp.c
    • [DH] libavutil/float_dsp.c
    • [DH] libavutil/lls.c
    • [DH] libswresample/audioconvert.c
    • [DH] libswresample/rematrix.c
    • [DH] libswresample/resample_dsp.c
    • [DH] libswscale/rgb2rgb.c
    • [DH] libswscale/swscale.c
    • [DH] libswscale/swscale_unscaled.c
    • [DH] libswscale/utils.c
    • [DH] libswscale/yuv2rgb.c
  • nodejs aws lambda ffmpeg command failure

    14 juin 2022, par mozenge

    Im running an ffmpeg command to generate a thumbnail from a video that exists on aws s3 bucket but accessed from cloud front. So i try to stream the video in the command. This is implemented in nodejs and the ffmpeg dependency is a lambda layer. The code looks like so

    &#xA;

    const gifName = `${baseFilename}.gif`;&#xA;await execPromise(`ffmpeg -t 10 -ss 00:00:01 -i "${_url}" ${&#x27;/tmp/&#x27; &#x2B; gifName}`);&#xA;

    &#xA;

    _url is a clound front url. This works when i test locally even via aws SAM cli.&#xA;But this fails when testing the deployed fuction. The error output I get is as follows

    &#xA;

    2022-06-13T14:07:41.079Z    35af32d2-c63f-4942-abce-3ae7dad2a6c3    INFO    stderr:  ffmpeg version 5.0.1-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2022 the FFmpeg developers&#xA;  built with gcc 8 (Debian 8.3.0-6)&#xA;  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg&#xA;  libavutil      57. 17.100 / 57. 17.100&#xA;  libavcodec     59. 18.100 / 59. 18.100&#xA;  libavformat    59. 16.100 / 59. 16.100&#xA;  libavdevice    59.  4.100 / 59.  4.100&#xA;  libavfilter     8. 24.100 /  8. 24.100&#xA;  libswscale      6.  4.100 /  6.  4.100&#xA;  libswresample   4.  3.100 /  4.  3.100&#xA;  libpostproc    56.  3.100 / 56.  3.100&#xA;Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#x27;https://d17yrtgi5800rj.cloudfront.net/staging/videos/a66a92eb-bc31-4440-958c-07ee23e55bcb&#x27;:&#xA;  Metadata:&#xA;    major_brand     : qt  &#xA;    minor_version   : 0&#xA;    compatible_brands: qt  &#xA;    creation_time   : 2022-05-03T19:50:01.000000Z&#xA;    com.apple.quicktime.location.accuracy.horizontal: 4.732124&#xA;    com.apple.quicktime.location.ISO6709: &#x2B;52.3832&#x2B;004.9205&#x2B;018.038/&#xA;    com.apple.quicktime.make: Apple&#xA;    com.apple.quicktime.model: iPhone 13 Pro Max&#xA;    com.apple.quicktime.software: 15.4.1&#xA;    com.apple.quicktime.creationdate: 2022-05-03T21:50:01&#x2B;0200&#xA;  Duration: 00:00:42.67, start: 0.000000, bitrate: 8434 kb/s&#xA;  Stream #0:0[0x1](und): Video: hevc (Main 10) (hvc1 / 0x31637668), yuv420p10le(tv, bt2020nc/bt2020/arib-std-b67), 1920x1080, 8214 kb/s, 30 fps, 30 tbr, 600 tbn (default)&#xA;    Metadata:&#xA;      creation_time   : 2022-05-03T19:50:01.000000Z&#xA;      handler_name    : Core Media Video&#xA;      vendor_id       : [0][0][0][0]&#xA;      encoder         : HEVC&#xA;    Side data:&#xA;      DOVI configuration record: version: 1.0, profile: 8, level: 4, rpu flag: 1, el flag: 0, bl flag: 1, compatibility id: 4&#xA;      displaymatrix: rotation of -90.00 degrees&#xA;  Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 162 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2022-05-03T19:50:01.000000Z&#xA;      handler_name    : Core Media Audio&#xA;      vendor_id       : [0][0][0][0]&#xA;  Stream #0:2[0x3](und): Data: none (mebx / 0x7862656D), 0 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2022-05-03T19:50:01.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;  Stream #0:3[0x4](und): Data: none (mebx / 0x7862656D), 5 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2022-05-03T19:50:01.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;  Stream #0:4[0x5](und): Data: none (mebx / 0x7862656D), 36 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2022-05-03T19:50:01.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;Stream mapping:&#xA;  Stream #0:0 -> #0:0 (hevc (native) -> gif (native))&#xA;Press [q] to stop, [?] for help&#xA;[hevc @ 0x63641c0] Multiple Dolby Vision RPUs found in one AU. Skipping previous.&#xA;[hevc @ 0x6375900] Multiple Dolby Vision RPUs found in one AU. Skipping previous.&#xA;[hevc @ 0x6333600] Multiple Dolby Vision RPUs found in one AU. Skipping previous.&#xA;Output #0, gif, to &#x27;/tmp/a66a92eb-bc31-4440-958c-07ee23e55bcb.gif&#x27;:&#xA;  Metadata:&#xA;    major_brand     : qt  &#xA;    minor_version   : 0&#xA;    compatible_brands: qt  &#xA;    com.apple.quicktime.creationdate: 2022-05-03T21:50:01&#x2B;0200&#xA;    com.apple.quicktime.location.accuracy.horizontal: 4.732124&#xA;    com.apple.quicktime.location.ISO6709: &#x2B;52.3832&#x2B;004.9205&#x2B;018.038/&#xA;    com.apple.quicktime.make: Apple&#xA;    com.apple.quicktime.model: iPhone 13 Pro Max&#xA;    com.apple.quicktime.software: 15.4.1&#xA;    encoder         : Lavf59.16.100&#xA;  Stream #0:0(und): Video: gif, bgr8(pc, gbr/bt2020/arib-std-b67, progressive), 1080x1920, q=2-31, 200 kb/s, 30 fps, 100 tbn (default)&#xA;    Metadata:&#xA;      creation_time   : 2022-05-03T19:50:01.000000Z&#xA;      handler_name    : Core Media Video&#xA;      vendor_id       : [0][0][0][0]&#xA;      encoder         : Lavc59.18.100 gif&#xA;    Side data:&#xA;      DOVI configuration record: version: 1.0, profile: 8, level: 4, rpu flag: 1, el flag: 0, bl flag: 1, compatibility id: 4&#xA;      displaymatrix: rotation of -0.00 degrees&#xA;frame=    1 fps=0.0 q=-0.0 size=       0kB time=00:00:00.08 bitrate=   0.0kbits/s speed=0.325x    &#xA;frame=    4 fps=0.0 q=-0.0 size=     768kB time=00:00:00.18 bitrate=34952.5kbits/s speed=0.239x    &#xA;frame=    9 fps=6.6 q=-0.0 size=    2304kB time=00:00:00.34 bitrate=55512.8kbits/s speed=0.248x    &#xA;frame=   14 fps=7.0 q=-0.0 size=    3584kB time=00:00:00.51 bitrate=57568.9kbits/s speed=0.255x    &#xA;frame=   19 fps=7.2 q=-0.0 size=    5120kB time=00:00:00.68 bitrate=61680.9kbits/s speed=0.259x    &#xA;frame=   24 fps=7.4 q=-0.0 size=    6656kB time=00:00:00.84 bitrate=64911.8kbits/s speed=0.258x    &#xA;frame=   29 fps=7.5 q=-0.0 size=    7936kB time=00:00:01.01 bitrate=64368.0kbits/s speed=0.26x    &#xA;frame=   33 fps=7.5 q=-0.0 size=    9472kB time=00:00:01.14 bitrate=68065.5kbits/s speed=0.259x    &#xA;frame=   37 fps=7.5 q=-0.0 size=   10752kB time=00:00:01.28 bitrate=68812.8kbits/s speed=0.261x    &#xA;frame=   42 fps=7.6 q=-0.0 size=   12032kB time=00:00:01.44 bitrate=68448.7kbits/s speed=0.26x    &#xA;frame=   46 fps=7.6 q=-0.0 size=   13312kB time=00:00:01.58 bitrate=69020.2kbits/s speed=0.261x    &#xA;frame=   50 fps=7.6 q=-0.0 size=   14336kB time=00:00:01.71 bitrate=68678.7kbits/s speed=0.261x    &#xA;frame=   54 fps=7.6 q=-0.0 size=   15360kB time=00:00:01.84 bitrate=68385.4kbits/s speed=0.259x    &#xA;frame=   58 fps=7.6 q=-0.0 size=   16640kB time=00:00:01.98 bitrate=68845.9kbits/s speed=0.26x    &#xA;frame=   62 fps=7.6 q=-0.0 size=   17664kB time=00:00:02.11 bitrate=68579.9kbits/s speed=0.26x    &#xA;frame=   66 fps=7.6 q=-0.0 size=   18944kB time=00:00:02.24 bitrate=69280.9kbits/s speed=0.259x    &#xA;frame=   70 fps=7.6 q=-0.0 size=   20224kB time=00:00:02.38 bitrate=69611.3kbits/s speed=0.26x    &#xA;frame=   74 fps=7.7 q=-0.0 size=   21504kB time=00:00:02.51 bitrate=70183.6kbits/s speed=0.26x    &#xA;frame=   78 fps=7.7 q=-0.0 size=   22784kB time=00:00:02.64 bitrate=70699.4kbits/s speed=0.259x    &#xA;frame=   82 fps=7.7 q=-0.0 size=   24064kB time=00:00:02.78 bitrate=70910.9kbits/s speed=0.26x    &#xA;frame=   86 fps=7.7 q=-0.0 size=   25600kB time=00:00:02.91 bitrate=72067.1kbits/s speed=0.259x    &#xA;frame=   91 fps=7.7 q=-0.0 size=   27136kB time=00:00:03.08 bitrate=72174.7kbits/s speed=0.26x    &#xA;frame=   95 fps=7.7 q=-0.0 size=   28416kB time=00:00:03.21 bitrate=72518.3kbits/s speed=0.26x    &#xA;frame=   99 fps=7.7 q=-0.0 size=   29696kB time=00:00:03.34 bitrate=72835.2kbits/s speed=0.26x    &#xA;frame=  103 fps=7.7 q=-0.0 size=   30976kB time=00:00:03.48 bitrate=72918.2kbits/s speed=0.26x    &#xA;frame=  108 fps=7.7 q=-0.0 size=   32768kB time=00:00:03.64 bitrate=73746.0kbits/s speed=0.26x    &#xA;frame=  112 fps=7.7 q=-0.0 size=   34048kB time=00:00:03.78 bitrate=73788.7kbits/s speed=0.26x    &#xA;frame=  116 fps=7.7 q=-0.0 size=   35072kB time=00:00:03.91 bitrate=73480.8kbits/s speed=0.26x    &#xA;frame=  120 fps=7.7 q=-0.0 size=   36352kB time=00:00:04.04 bitrate=73711.8kbits/s speed=0.26x    &#xA;frame=  124 fps=7.7 q=-0.0 size=   37376kB time=00:00:04.18 bitrate=73249.8kbits/s speed=0.26x    &#xA;frame=  128 fps=7.7 q=-0.0 size=   38656kB time=00:00:04.31 bitrate=73473.3kbits/s speed=0.26x    &#xA;frame=  132 fps=7.7 q=-0.0 size=   39936kB time=00:00:04.44 bitrate=73683.7kbits/s speed=0.26x    &#xA;frame=  136 fps=7.7 q=-0.0 size=   41216kB time=00:00:04.58 bitrate=73720.8kbits/s speed=0.26x    &#xA;frame=  141 fps=7.7 q=-0.0 size=   42496kB time=00:00:04.74 bitrate=73444.6kbits/s speed=0.26x    &#xA;frame=  145 fps=7.8 q=-0.0 size=   43776kB time=00:00:04.88 bitrate=73486.3kbits/s speed=0.261x    &#xA;frame=  150 fps=7.8 q=-0.0 size=   45312kB time=00:00:05.04 bitrate=73650.0kbits/s speed=0.261x    &#xA;frame=  154 fps=7.8 q=-0.0 size=   46336kB time=00:00:05.18 bitrate=73278.9kbits/s speed=0.261x   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time=00:00:06.71 bitrate=72822.1kbits/s speed=0.262x    &#xA;frame=  204 fps=7.8 q=-0.0 size=   60928kB time=00:00:06.84 bitrate=72971.1kbits/s speed=0.262x    &#xA;frame=  208 fps=7.8 q=-0.0 size=   62208kB time=00:00:06.98 bitrate=73009.7kbits/s speed=0.262x    &#xA;frame=  212 fps=7.8 q=-0.0 size=   63488kB time=00:00:07.11 bitrate=73149.6kbits/s speed=0.262x    &#xA;frame=  216 fps=7.8 q=-0.0 size=   64768kB time=00:00:07.24 bitrate=73284.5kbits/s speed=0.262x    &#xA;frame=  220 fps=7.8 q=-0.0 size=   66048kB time=00:00:07.38 bitrate=73315.1kbits/s speed=0.262x    &#xA;frame=  224 fps=7.8 q=-0.0 size=   67072kB time=00:00:07.51 bitrate=73163.0kbits/s speed=0.262x    &#xA;frame=  228 fps=7.8 q=-0.0 size=   68352kB time=00:00:07.64 bitrate=73290.5kbits/s speed=0.262x    &#xA;frame=  232 fps=7.8 q=-0.0 size=   69632kB time=00:00:07.78 bitrate=73319.5kbits/s speed=0.262x    &#xA;frame=  236 fps=7.8 q=-0.0 size=   70912kB time=00:00:07.91 bitrate=73440.1kbits/s speed=0.262x   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time=00:00:09.31 bitrate=73659.4kbits/s speed=0.262x    &#xA;frame=  282 fps=7.8 q=-0.0 size=   84992kB time=00:00:09.44 bitrate=73755.8kbits/s speed=0.262x    &#xA;frame=  287 fps=7.8 q=-0.0 size=   86784kB time=00:00:09.61 bitrate=73978.6kbits/s speed=0.262x    &#xA;frame=  291 fps=7.8 q=-0.0 size=   88064kB time=00:00:09.74 bitrate=74067.8kbits/s speed=0.262x    &#xA;frame=  295 fps=7.8 q=-0.0 size=   89344kB time=00:00:09.88 bitrate=74079.6kbits/s speed=0.262x    &#xA;frame=  299 fps=7.8 q=-0.0 size=   90624kB time=00:00:10.01 bitrate=74165.0kbits/s speed=0.262x    &#xA;frame=  300 fps=7.8 q=-0.0 Lsize=   91358kB time=00:00:10.04 bitrate=74542.5kbits/s speed=0.261x    &#xA;video:91358kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000021%&#xA;

    &#xA;

    Any ideas what might be wrong ?

    &#xA;