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Sur d’autres sites (5405)

  • Silenced parts are removed when converting from .mka into .wav using ffmpeg

    29 mars 2022, par Test Account

    I am trying to convert .mka audio into .wva. But the duration is changed from 26s to 14s and also the silenced parts in the .mka audio are removed.

    


    The media informations of input and output are given below.

    


    Input Audio (test.mka) :

    


        Input #0, matroska,webm, from 'test.mka':
    Metadata:
    encoder         : GStreamer matroskamux version 1.16.2
    creation_time   : 2022-03-25T18:35:04.000000Z
  Duration: 00:00:27.07, start: 177.258000, bitrate: 23 kb/s
  Stream #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
    Metadata:
      title           : Audio


    


    Output Audio(output.wav) :

    


       Input #0, wav, from 'output.wav':
      Metadata:
        encoder         : Lavf59.20.101
      Duration: 00:00:14.30, bitrate: 1536 kb/s
      Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 2 
      channels, s16, 1536 kb/s


    


    Silenced parts should not be removed and durations should be same.

    


  • ffmpeg xstack filter layout limitations

    7 avril 2022, par JohnQuincyKerbal

    I am trying to combine multiple videos using a variety of layouts. I've found an issue where a layout that is too large will result in a failed output. Even when enabling debug logs I can't see what the explicit error is. I assume I am reaching a resolution and/or size limitation when spreading the inputs out far enough. Is there some documentation outlining limitations of xstack layouts or some other documentation spelling out a different inherent ffmpeg limitation I am hitting ? Using the same exact inputs but with a smaller layout results in success.

    


    FWIW I am using ffmpeg-python wrapper library.

    


    Here is the verbose output I am seeing during these failures :

    


    ffmpeg version 5.0-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  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
  libavutil      57. 17.100 / 57. 17.100
  libavcodec     59. 18.100 / 59. 18.100
  libavformat    59. 16.100 / 59. 16.100
  libavdevice    59.  4.100 / 59.  4.100
  libavfilter     8. 24.100 /  8. 24.100
  libswscale      6.  4.100 /  6.  4.100
  libswresample   4.  3.100 /  4.  3.100
  libpostproc    56.  3.100 / 56.  3.100
Splitting the commandline.
Reading option '-i' ... matched as input url with argument '4.mp4'.
Reading option '-i' ... matched as input url with argument '1.mp4'.
Reading option '-filter_complex' ... matched as option 'filter_complex' (create a complex filtergraph) with argument '[0][1]xstack=fill=#171f29:inputs=2:layout=4_2|2986_1838[s0]'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '[s0]'.
Reading option '/video/16/Untitled_sans_text.mp4' ... matched as output url.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option filter_complex (create a complex filtergraph) with argument [0][1]xstack=fill=#171f29:inputs=2:layout=4_2|2986_1838[s0].
Applying option loglevel (set logging level) with argument debug.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url 4.mp4.
Successfully parsed a group of options.
Opening an input file: 4.mp4.
[NULL @ 0x69bf840] Opening '4.mp4' for reading
[file @ 0x69c0040] Setting default whitelist 'file,crypto,data'
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69bf840] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69bf840] ISO: File Type Major Brand: isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69bf840] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69bf840] Processing st: 0, edit list 0 - media time: 0, duration: 2310144
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69bf840] Before avformat_find_stream_info() pos: 8429176 bytes read:34169 seeks:1 nb_streams:1
[h264 @ 0x69c0d80] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x69c0d80] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0x69c0d80] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x69c0d80] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0x69c0d80] nal_unit_type: 6(SEI), nal_ref_idc: 0
[h264 @ 0x69c0d80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x69c0d80] Format yuv420p chosen by get_format().
[h264 @ 0x69c0d80] Reinit context to 864x800, pix_fmt: yuv420p
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69bf840] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69bf840] After avformat_find_stream_info() pos: 37782 bytes read:71903 seeks:2 frames:1
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '4.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.16.100
  Duration: 00:02:21.00, start: 0.000000, bitrate: 478 kb/s
  Stream #0:0[0x1](und), 1, 1/16384: Video: h264 (High), 1 reference frame (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/iec61966-2-1, progressive, left), 864x788 (864x800), 0/1, 478 kb/s, 1 fps, 1 tbr, 16384 tbn (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
Successfully opened the file.
Parsing a group of options: input url 1.mp4.
Successfully parsed a group of options.
Opening an input file: 1.mp4.
[NULL @ 0x69f1d40] Opening '1.mp4' for reading
[file @ 0x6a21a00] Setting default whitelist 'file,crypto,data'
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69f1d40] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69f1d40] ISO: File Type Major Brand: isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69f1d40] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69f1d40] Processing st: 0, edit list 0 - media time: 0, duration: 2473984
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69f1d40] Before avformat_find_stream_info() pos: 9015166 bytes read:34209 seeks:1 nb_streams:1
[h264 @ 0x69e4800] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x69e4800] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0x69e4800] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x69e4800] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0x69e4800] nal_unit_type: 6(SEI), nal_ref_idc: 0
[h264 @ 0x69e4800] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x69e4800] Format yuv420p chosen by get_format().
[h264 @ 0x69e4800] Reinit context to 864x800, pix_fmt: yuv420p
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69f1d40] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x69f1d40] After avformat_find_stream_info() pos: 35499 bytes read:69660 seeks:2 frames:1
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '1.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.16.100
  Duration: 00:02:31.00, start: 0.000000, bitrate: 477 kb/s
  Stream #1:0[0x1](und), 1, 1/16384: Video: h264 (High), 1 reference frame (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/iec61966-2-1, progressive, left), 864x788 (864x800), 0/1, 477 kb/s, 1 fps, 1 tbr, 16384 tbn (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
Successfully opened the file.
[Parsed_xstack_0 @ 0x69e3040] Setting 'fill' to value '#171f29'
[Parsed_xstack_0 @ 0x69e3040] Setting 'inputs' to value '2'
[Parsed_xstack_0 @ 0x69e3040] Setting 'layout' to value '4_2|2986_1838'
Parsing a group of options: output url /video/16/Untitled_sans_text.mp4.
Applying option map (set input stream mapping) with argument [s0].
Successfully parsed a group of options.
Opening an output file: /video/16/Untitled_sans_text.mp4.
[file @ 0x69d1900] Setting default whitelist 'file,crypto,data'
Successfully opened the file.
detected 6 logical cores
[h264 @ 0x69f5040] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x69f5040] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0x71b8740] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x71b8740] nal_unit_type: 8(PPS), nal_ref_idc: 3
Stream mapping:
  Stream #0:0 (h264) -> xstack
  Stream #1:0 (h264) -> xstack
  xstack:default -> Stream #0:0 (libx264)
Press [q] to stop, [?] for help
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x69f5040] nal_unit_type: 6(SEI), nal_ref_idc: 0
[h264 @ 0x69f5040] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x69f5040] Format yuv420p chosen by get_format().
[h264 @ 0x69f5040] Reinit context to 864x800, pix_fmt: yuv420p
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x69d7380] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x6a18680] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x6bc7d00] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x6bdc140] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x70e7a80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x71b8740] nal_unit_type: 6(SEI), nal_ref_idc: 0
[h264 @ 0x71b8740] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x71b8740] Format yuv420p chosen by get_format().
[h264 @ 0x71b8740] Reinit context to 864x800, pix_fmt: yuv420p
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x72b3cc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x7521f00] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x75f1540] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x76c0b80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[Parsed_xstack_0 @ 0x7ad45c0] Setting 'fill' to value '#171f29'
[Parsed_xstack_0 @ 0x7ad45c0] Setting 'inputs' to value '2'
[Parsed_xstack_0 @ 0x7ad45c0] Setting 'layout' to value '4_2|2986_1838'
[graph 0 input from stream 0:0 @ 0x7ad5800] Setting 'video_size' to value '864x788'
[graph 0 input from stream 0:0 @ 0x7ad5800] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 0:0 @ 0x7ad5800] Setting 'time_base' to value '1/16384'
[graph 0 input from stream 0:0 @ 0x7ad5800] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0x7ad5800] Setting 'frame_rate' to value '1/1'
[graph 0 input from stream 0:0 @ 0x7ad5800] w:864 h:788 pixfmt:yuv420p tb:1/16384 fr:1/1 sar:0/1
[graph 0 input from stream 1:0 @ 0x7ad6580] Setting 'video_size' to value '864x788'
[graph 0 input from stream 1:0 @ 0x7ad6580] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 1:0 @ 0x7ad6580] Setting 'time_base' to value '1/16384'
[graph 0 input from stream 1:0 @ 0x7ad6580] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 1:0 @ 0x7ad6580] Setting 'frame_rate' to value '1/1'
[graph 0 input from stream 1:0 @ 0x7ad6580] w:864 h:788 pixfmt:yuv420p tb:1/16384 fr:1/1 sar:0/1
[format @ 0x7ad7600] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21|yuv420p10le|yuv422p10le|yuv444p10le|nv20le|gray|gray10le'
[AVFilterGraph @ 0x7ad34c0] query_formats: 5 queried, 4 merged, 0 already done, 0 delayed
[Parsed_xstack_0 @ 0x7ad45c0] [framesync @ 0x7ad4798] Selected 1/16384 time base
[Parsed_xstack_0 @ 0x7ad45c0] [framesync @ 0x7ad4798] Sync level 1
[libx264 @ 0x69f3b40] using mv_range_thread = 136
[libx264 @ 0x69f3b40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x69f3b40] profile High, level 6.0, 4:2:0, 8-bit
[libx264 @ 0x69f3b40] 264 - core 164 r3081 19856cc - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - 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=9 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=1 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 '/video/16/Untitled_sans_text.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.16.100
  Stream #0:0, 0, 1/16384: Video: h264, 1 reference frame (avc1 / 0x31637661), yuv420p(progressive), 3850x2626 (0x0), 0/1, q=2-31, 1 fps, 16384 tbn
    Metadata:
      encoder         : Lavc59.18.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
Clipping frame in rate conversion by 0.000008
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x71b8740] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x69f5040] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x69d7380] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x72b3cc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a18680] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6bc7d00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7521f00] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6bdc140] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x75f1540] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x70e7a80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x76c0b80] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x69f5040] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x71b8740] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x69d7380] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x72b3cc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a18680] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x7521f00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x6bc7d00] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6bdc140] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x75f1540] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x70e7a80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x76c0b80] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x69f5040] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x71b8740] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x69d7380] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x72b3cc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a18680] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6bc7d00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7521f00] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6bdc140] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x75f1540] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x70e7a80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x76c0b80] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x71b8740] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x69f5040] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x69d7380] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x72b3cc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a18680] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x7521f00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x6bc7d00] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6bdc140] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x75f1540] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x76c0b80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x70e7a80] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x71b8740] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x69f5040] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x72b3cc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x69d7380] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
...
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[h264 @ 0x6a18680] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   0 QP=3.66 NAL=3 Slice:I Poc:0   I:39765 P:0    SKIP:0    size=204347 bytes
[h264 @ 0x6bc7d00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7521f00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   1 QP=7.68 NAL=2 Slice:P Poc:8   I:1201 P:4090 SKIP:34474 size=196520 bytes
[h264 @ 0x6bdc140] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x75f1540] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   2 QP=9.03 NAL=2 Slice:B Poc:4   I:0    P:219  SKIP:39546 size=611 bytes
[h264 @ 0x76c0b80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x70e7a80] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   3 QP=16.00 NAL=0 Slice:B Poc:2   I:0    P:1    SKIP:39764 size=289 bytes
[h264 @ 0x69f5040] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x71b8740] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   4 QP=16.00 NAL=0 Slice:B Poc:6   I:0    P:31   SKIP:39734 size=300 bytes
[h264 @ 0x69d7380] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x72b3cc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   5 QP=9.36 NAL=2 Slice:P Poc:16  I:0    P:702  SKIP:39063 size=5286 bytes
[h264 @ 0x6a04240] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7383240] nal_unit_type: 5(IDR), nal_ref_idc: 3.00 bitrate= 699.2kbits/s speed=1.08x    
[libx264 @ 0x69f3b40] frame=   6 QP=8.61 NAL=2 Slice:B Poc:12  I:0    P:454  SKIP:39311 size=611 bytes
[h264 @ 0x6a18680] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x74528c0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   7 QP=16.00 NAL=0 Slice:B Poc:10  I:0    P:384  SKIP:39381 size=514 bytes
[h264 @ 0x6bc7d00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7521f00] nal_unit_type: 5(IDR), nal_ref_idc: 3
[libx264 @ 0x69f3b40] frame=   8 QP=16.00 NAL=0 Slice:B Poc:14  I:0    P:36   SKIP:39729 size=306 bytes
[h264 @ 0x6bdc140] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x75f1540] nal_unit_type: 5(IDR), nal_ref_idc: 3
2022-04-06 22:37:08,458 /app/movie_services/make_movie.py:118 ERROR COMBINED VIDEO FAILED
2022-04-06 22:37:08,461 /app/movie_services/make_movie.py:119 ERROR ffmpeg error (see stderr output for detail)```


    


  • ffmpeg copy codec outputs in slowmotion

    8 avril 2022, par Rudi

    i have the following scenario that is driving me crazy :

    


    i have a capture device. Here the ffprobe on it :

    


    pi@skycam:~ $ ffprobe /dev/video0
ffprobe version 4.1.6-1~deb10u1+rpt2 Copyright (c) 2007-2020 the FFmpeg developers
  built with gcc 8 (Raspbian 8.3.0-6+rpi1)
  configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --libdir=/usr/lib/arm-linux-gnueabihf --cpu=arm1176jzf-s --arch=arm
  WARNING: library configuration mismatch
  avutil      configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  avcodec     configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  avformat    configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  avdevice    configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  avfilter    configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  avresample  configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  swscale     configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  swresample  configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  postproc    configuration: --prefix=/usr --extra-version='1~deb10u1+rpt2' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-vout-drm --enable-v4l2-request --enable-libudev --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
[mjpeg @ 0x18a79b0] No JPEG data found in image
[mjpeg @ 0x18a79b0] Found EOI before any SOF, ignoring
[mjpeg @ 0x18a79b0] No JPEG data found in image
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 3716.774220, bitrate: N/A
    Stream #0:0: Video: mjpeg, yuvj422p(pc, bt470bg/unknown/unknown), 1920x1080, 60 fps, 60 tbr, 1000k tbn, 1000k tbc


    


    now i want to record via FFMPEG as smooth as possible.

    


    therefore i tested and the following command is giving me a good result :

    


    ffmpeg -r 60 -an -i /dev/video0 -preset ultrafast -vcodec copy test.mjpeg 


    


    but the problem is, i get the result in slowmotion. it seems like the mjpeg file is played back in VLC in half speed. Why is this happening ?

    


    thanks a lot,
cheers Rudi

    


    edit : here the output :

    


    [mjpeg @ 0x762250] No JPEG data found in image
[mjpeg @ 0x762250] Found EOI before any SOF, ignoring
[mjpeg @ 0x762250] No JPEG data found in image
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 5174.036617, bitrate: N/A
    Stream #0:0: Video: mjpeg, yuvj422p(pc, bt470bg/unknown/unknown), 1920x1080, 60 fps, 60 tbr, 1000k tbn, 1000k tbc
Output #0, mjpeg, to '/home/pi/java_workspace/skycam_data/test14.mjpeg':
  Metadata:
    encoder         : Lavf58.20.100
    Stream #0:0: Video: mjpeg, yuvj422p(pc, bt470bg/unknown/unknown), 1920x1080, q=2-31, 60 fps, 60 tbr, 1000k tbn, 1000k tbc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
frame=   33 fps=0.0 q=-1.0 size=    2560kB time=00:00:00.51 bitrate=40952.2kbits/s speed=1.01x    
frame=   63 fps= 63 q=-1.0 size=    5120kB time=00:00:01.01 bitrate=41434.6kbits/s speed=   1x    
frame=   94 fps= 62 q=-1.0 size=    7680kB time=00:00:01.53 bitrate=41062.1kbits/s speed=1.01x    
frame=  124 fps= 61 q=-1.0 size=   10496kB time=00:00:02.03 bitrate=42309.4kbits/s speed=1.01x    
frame=  154 fps= 61 q=-1.0 size=   13568kB time=00:00:02.53 bitrate=43890.8kbits/s speed=   1x    
frame=  184 fps= 61 q=-1.0 size=   17152kB time=00:00:03.03 bitrate=46334.8kbits/s speed=   1x    
frame=  214 fps= 61 q=-1.0 size=   20736kB time=00:00:03.53 bitrate=48087.4kbits/s speed=   1x    
frame=  245 fps= 61 q=-1.0 size=   25088kB time=00:00:04.04 bitrate=50763.2kbits/s speed=   1x    


    


    output of ffplay on the same file :

    


    ./ffplay test14.mjpeg 
ffplay version N-106494-g1291568c98-tessus Copyright (c) 2003-2022 the FFmpeg developers
  built with Apple clang version 11.0.0 (clang-1100.0.33.17)
  configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libmysofa --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvmaf --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-version3 --pkg-config-flags=--static --enable-librtmp --enable-ffplay --enable-sdl2 --disable-ffmpeg --disable-ffprobe
  libavutil      57. 24.101 / 57. 24.101
  libavcodec     59. 25.100 / 59. 25.100
  libavformat    59. 20.101 / 59. 20.101
  libavdevice    59.  6.100 / 59.  6.100
  libavfilter     8. 30.100 /  8. 30.100
  libswscale      6.  6.100 /  6.  6.100
  libswresample   4.  6.100 /  4.  6.100
  libpostproc    56.  5.100 / 56.  5.100
[mjpeg @ 0x7fd70be22500] Format mjpeg detected only with low score of 12, misdetection possible!
[mjpeg @ 0x7fd70be2bfc0] Found EOI before any SOF, ignoring
Input #0, mjpeg, from 'test14.mjpeg':
  Duration: N/A, bitrate: N/A
  Stream #0:0: Video: mjpeg (Baseline), yuvj422p(pc, bt470bg/unknown/unknown), 1920x1080, 25 tbr, 1200k tbn
[mjpeg @ 0x7fd70bd91600] Found EOI before any SOF, ignoring
[swscaler @ 0x7fd70e043000] [swscaler @ 0x7fd70e7eb000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x7fd70e043000] [swscaler @ 0x7fd70f923000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x7fd70e043000] [swscaler @ 0x7fd70f932000] deprecated pixel format used, make sure you did set range correctly


    


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