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Autres articles (12)

  • Support de tous types de médias

    10 avril 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

Sur d’autres sites (6846)

  • Change ffmpeg output directory

    6 mai 2019, par Filip

    Im using ffmpeg to compress footage and i want to compess the footage of a specific day but when i overwrite the files it outputs a empty stream because it writes as it reads at the same time so i want to rename the output file. Find will give the full path which is necessary but i don’t know how to change the actual file name, rather than the path.

    Any suggestions ?

    find /home/server/recordings/compress -name '*.mp4' -print0 | xargs -0 -I{} ffmpeg -i {}  -c:v libx265 -preset fast -crf 25 -x265-params "vbv-maxrate=1500:vbv-bufsize=1000" -c:a aac {}

  • FFMPEG extracting 1 second resized with copy codec

    28 avril 2019, par boblapointe

    How can I extract 1 second ( using fast seek ) from a video, resize it, using vp9 ? I always get the same errors. Here are the bare bone commands I’m trying :

    ffmpeg -ss 00:00:10 -i test.webm -to 00:00:01 -filter:v "scale=min(iw\,1280):min(ih\,720):force_original_aspect_ratio=decrease" -c:v libvpx-vp9 -y output.webm

    It returns :

    "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)

    After playing around I realize that this will work :

    ffmpeg -ss 00:00:10 -i test.webm -to 00:00:01 -c copy -y output.webm

    Not ideal but at least it works, so I add the filter :

    ffmpeg -ss 00:00:10 -i test.webm -to 00:00:01 -filter:v "scale=min(iw\,1280):min(ih\,720):force_original_aspect_ratio=decrease" -c copy -y output.webm

    Ant then I get :

    "Filtering and streamcopy cannot be used together."

    I’ve tried all kinds of combinations, unsuccessfully. Any hint would be appreciated. Thank you

    Here is the full log of the first command :

        ffmpeg version 3.4.4-0ubuntu0.18.04.1 Copyright (c) 2000-2018 the FFmpeg developers
      built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
      configuration : —prefix=/usr —extra-version=0ubuntu0.18.04.1 —toolchain=hardened —libdir=/usr/lib/x86_64-linux-gnu —incdir=/usr/include/x86_64-linux-gnu —enable-gpl —disable-stripping —enable-avresample —enable-avisynth —enable-gnutls —enable-ladspa —enable-libass —enable-libbluray —enable-libbs2b —enable-libcaca —enable-libcdio —enable-libflite —enable-libfontconfig —enable-libfreetype —enable-libfribidi —enable-libgme —enable-libgsm —enable-libmp3lame —enable-libmysofa —enable-libopenjpeg —enable-libopenmpt —enable-libopus —enable-libpulse —enable-librubberband —enable-librsvg —enable-libshine —enable-libsnappy —enable-libsoxr —enable-libspeex —enable-libssh —enable-libtheora —enable-libtwolame —enable-libvorbis —enable-libvpx —enable-libwavpack —enable-libwebp —enable-libx265 —enable-libxml2 —enable-libxvid —enable-libzmq —enable-libzvbi —enable-omx —enable-openal —enable-opengl —enable-sdl2 —enable-libdc1394 —enable-libdrm —enable-libiec61883 —enable-chromaprint —enable-frei0r —enable-libopencv —enable-libx264 —enable-shared
      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
      libavresample   3.  7.  0 /  3.  7.  0
      libswscale      4.  8.100 /  4.  8.100
      libswresample   2.  9.100 /  2.  9.100
      libpostproc    54.  7.100 / 54.  7.100
    Splitting the commandline.
    Reading option ’-ss’ ... matched as option ’ss’ (set the start time offset) with argument ’00:00:10’.
    Reading option ’-i’ ... matched as input url with argument ’test.webm’.
    Reading option ’-to’ ... matched as option ’to’ (record or transcode stop time) with argument ’00:00:01’.
    Reading option ’-filter:v’ ... matched as option ’filter’ (set stream filtergraph) with argument ’scale=min(iw\,1280):min(ih\,720):force_original_aspect_ratio=decrease’.
    Reading option ’-c:v’ ... matched as option ’c’ (codec name) with argument ’libvpx-vp9’.
    Reading option ’-y’ ... matched as option ’y’ (overwrite output files) with argument ’1’.
    Reading option ’-v’ ... matched as option ’v’ (set logging level) with argument ’debug’.
    Reading option ’output.webm’ ... matched as output url.
    Finished splitting the commandline.
    Parsing a group of options : global .
    Applying option y (overwrite output files) with argument 1.
    Applying option v (set logging level) with argument debug.
    Successfully parsed a group of options.
    Parsing a group of options : input url test.webm.
    Applying option ss (set the start time offset) with argument 00:00:10.
    Successfully parsed a group of options.
    Opening an input file : test.webm.
    [NULL @ 0x55ce679f8920] Opening ’test.webm’ for reading
    [file @ 0x55ce679f9340] Setting default whitelist ’file,crypto’
    [matroska,webm @ 0x55ce679f8920] Format matroska,webm probed with size=2048 and score=100
    st:0 removing common factor 1000000 from timebase
    [matroska,webm @ 0x55ce679f8920] Before avformat_find_stream_info() pos : 566 bytes read:32768 seeks:0 nb_streams:1
    [matroska,webm @ 0x55ce679f8920] All info found
    [matroska,webm @ 0x55ce679f8920] After avformat_find_stream_info() pos : 72449 bytes read:72449 seeks:0 frames:1
    Input #0, matroska,webm, from ’test.webm’ :
      Metadata :
        ENCODER : Lavf57.83.100
      Duration : 00:00:15.03, start : 5.016000, bitrate : 1146 kb/s
        Stream #0:0(eng), 1, 1/1000 : Video : vp9 (Profile 0), 1 reference frame, yuv420p(tv), 1280x720, 0/1, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 1k tbn, 1k tbc (default)
        Metadata :
          DURATION : 00:00:15.025000000
    Successfully opened the file.
    Parsing a group of options : output url output.webm.
    Applying option to (record or transcode stop time) with argument 00:00:01.
    Applying option filter:v (set stream filtergraph) with argument scale=min(iw\,1280):min(ih\,720):force_original_aspect_ratio=decrease.
    Applying option c:v (codec name) with argument libvpx-vp9.
    Successfully parsed a group of options.
    Opening an output file : output.webm.
    [file @ 0x55ce67b1e820] Setting default whitelist ’file,crypto’
    Successfully opened the file.
    detected 8 logical cores
    Stream mapping :
      Stream #0:0 -> #0:0 (vp9 (native) -> vp9 (libvpx-vp9))
    Press [q] to stop, [?] for help
    cur_dts is invalid (this is harmless if it occurs once at the start per stream)
        Last message repeated 1 times
    [matroska,webm @ 0x55ce679f8920] first_dts 5016 not matching first dts 10395 (pts 10395, duration 41) in the queue
    cur_dts is invalid (this is harmless if it occurs once at the start per stream)
        Last message repeated 6 times
    [Parsed_scale_0 @ 0x55ce67a7c520] Setting ’w’ to value ’min(iw,1280)’
    [Parsed_scale_0 @ 0x55ce67a7c520] Setting ’h’ to value ’min(ih,720)’
    [Parsed_scale_0 @ 0x55ce67a7c520] Setting ’force_original_aspect_ratio’ to value ’decrease’
    [Parsed_scale_0 @ 0x55ce67a7c520] Setting ’flags’ to value ’bicubic’
    [Parsed_scale_0 @ 0x55ce67a7c520] w:min(iw,1280) h:min(ih,720) flags :’bicubic’ interl:0
    [graph 0 input from stream 0:0 @ 0x55ce67a7cea0] Setting ’video_size’ to value ’1280x720’
    [graph 0 input from stream 0:0 @ 0x55ce67a7cea0] Setting ’pix_fmt’ to value ’0’
    [graph 0 input from stream 0:0 @ 0x55ce67a7cea0] Setting ’time_base’ to value ’1/1000’
    [graph 0 input from stream 0:0 @ 0x55ce67a7cea0] Setting ’pixel_aspect’ to value ’1/1’
    [graph 0 input from stream 0:0 @ 0x55ce67a7cea0] Setting ’sws_param’ to value ’flags=2’
    [graph 0 input from stream 0:0 @ 0x55ce67a7cea0] Setting ’frame_rate’ to value ’24000/1001’
    [graph 0 input from stream 0:0 @ 0x55ce67a7cea0] w:1280 h:720 pixfmt:yuv420p tb:1/1000 fr:24000/1001 sar:1/1 sws_param:flags=2
    [format @ 0x55ce67ad7d60] compat : called with args=[yuv420p|yuva420p|yuv422p|yuv440p|yuv444p|gbrp]
    [format @ 0x55ce67ad7d60] Setting ’pix_fmts’ to value ’yuv420p|yuva420p|yuv422p|yuv440p|yuv444p|gbrp’
    [AVFilterGraph @ 0x55ce67aec740] query_formats : 6 queried, 5 merged, 0 already done, 0 delayed
    [Parsed_scale_0 @ 0x55ce67a7c520] w:1280 h:720 fmt:yuv420p sar:1/1 -> w:1280 h:720 fmt:yuv420p sar:1/1 flags:0x4
    [libvpx-vp9 @ 0x55ce67b32200] v1.7.0
    [libvpx-vp9 @ 0x55ce67b32200] —prefix=/usr —enable-pic —enable-shared —disable-install-bins —disable-install-srcs —size-limit=16384x16384 —enable-postproc —enable-multi-res-encoding —enable-temporal-denoising —enable-vp9-temporal-denoising —enable-vp9-postproc —target=x86_64-linux-gcc
    [libvpx-vp9 @ 0x55ce67b32200] vpx_codec_enc_cfg
    [libvpx-vp9 @ 0x55ce67b32200] generic settings
      g_usage :                      0
      g_threads :                    8
      g_profile :                    0
      g_w :                          320
      g_h :                          240
      g_bit_depth :                  8
      g_input_bit_depth :            8
      g_timebase :                   1/30
      g_error_resilient :            0
      g_pass :                       0
      g_lag_in_frames :              25
    [libvpx-vp9 @ 0x55ce67b32200] rate control settings
      rc_dropframe_thresh :          0
      rc_resize_allowed :            0
      rc_resize_up_thresh :          60
      rc_resize_down_thresh :        30
      rc_end_usage :                 0
      rc_twopass_stats_in :          (nil)(0)
      rc_target_bitrate :            256
    [libvpx-vp9 @ 0x55ce67b32200] quantizer settings
      rc_min_quantizer :             0
      rc_max_quantizer :             63
    [libvpx-vp9 @ 0x55ce67b32200] bitrate tolerance
      rc_undershoot_pct :            25
      rc_overshoot_pct :             25
    [libvpx-vp9 @ 0x55ce67b32200] decoder buffer model
      rc_buf_sz :                    6000
      rc_buf_initial_sz :            4000
      rc_buf_optimal_sz :            5000
    [libvpx-vp9 @ 0x55ce67b32200] 2 pass rate control settings
      rc_2pass_vbr_bias_pct :        50
      rc_2pass_vbr_minsection_pct :  0
      rc_2pass_vbr_maxsection_pct :  2000
    [libvpx-vp9 @ 0x55ce67b32200] keyframing settings
      kf_mode :                      1
      kf_min_dist :                  0
      kf_max_dist :                  128
    [libvpx-vp9 @ 0x55ce67b32200]
    [libvpx-vp9 @ 0x55ce67b32200] vpx_codec_enc_cfg
    [libvpx-vp9 @ 0x55ce67b32200] generic settings
      g_usage :                      0
      g_threads :                    0
      g_profile :                    0
      g_w :                          1280
      g_h :                          720
      g_bit_depth :                  8
      g_input_bit_depth :            8
      g_timebase :                   1001/24000
      g_error_resilient :            0
      g_pass :                       0
      g_lag_in_frames :              25
    [libvpx-vp9 @ 0x55ce67b32200] rate control settings
      rc_dropframe_thresh :          0
      rc_resize_allowed :            0
      rc_resize_up_thresh :          60
      rc_resize_down_thresh :        30
      rc_end_usage :                 0
      rc_twopass_stats_in :          (nil)(0)
      rc_target_bitrate :            200
    [libvpx-vp9 @ 0x55ce67b32200] quantizer settings
      rc_min_quantizer :             0
      rc_max_quantizer :             63
    [libvpx-vp9 @ 0x55ce67b32200] bitrate tolerance
      rc_undershoot_pct :            25
      rc_overshoot_pct :             25
    [libvpx-vp9 @ 0x55ce67b32200] decoder buffer model
      rc_buf_sz :                    6000
      rc_buf_initial_sz :            4000
      rc_buf_optimal_sz :            5000
    [libvpx-vp9 @ 0x55ce67b32200] 2 pass rate control settings
      rc_2pass_vbr_bias_pct :        50
      rc_2pass_vbr_minsection_pct :  0
      rc_2pass_vbr_maxsection_pct :  2000
    [libvpx-vp9 @ 0x55ce67b32200] keyframing settings
      kf_mode :                      1
      kf_min_dist :                  0
      kf_max_dist :                  128
    [libvpx-vp9 @ 0x55ce67b32200]
    [libvpx-vp9 @ 0x55ce67b32200] vpx_codec_control
    [libvpx-vp9 @ 0x55ce67b32200]   VP8E_SET_CPUUSED :             1
    [libvpx-vp9 @ 0x55ce67b32200]   VP8E_SET_ARNR_MAXFRAMES :      0
    [libvpx-vp9 @ 0x55ce67b32200]   VP8E_SET_ARNR_STRENGTH :       3
    [libvpx-vp9 @ 0x55ce67b32200]   VP8E_SET_ARNR_TYPE :           3
    [libvpx-vp9 @ 0x55ce67b32200]   VP8E_SET_STATIC_THRESHOLD :    0
    [libvpx-vp9 @ 0x55ce67b32200]   VP9E_SET_COLOR_SPACE :         0
    [libvpx-vp9 @ 0x55ce67b32200]   VP9E_SET_COLOR_RANGE :         0
    [libvpx-vp9 @ 0x55ce67b32200]   VP9E_SET_TARGET_LEVEL :        255
    [libvpx-vp9 @ 0x55ce67b32200] Using deadline : 1000000
    Output #0, webm, to ’output.webm’ :
      Metadata :
        encoder : Lavf57.83.100
        Stream #0:0(eng), 0, 1/1000 : Video : vp9 (libvpx-vp9), 1 reference frame, yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 0/1, q=-1—1, 200 kb/s, 23.98 fps, 1k tbn, 23.98 tbc (default)
        Metadata :
          DURATION : 00:00:15.025000000
          encoder : Lavc57.107.100 libvpx-vp9
        Side data :
          cpb : bitrate max/min/avg : 0/0/0 buffer size : 0 vbv_delay : -1
    cur_dts is invalid (this is harmless if it occurs once at the start per stream)
        Last message repeated 120 times
    [out_0_0 @ 0x55ce67ac35a0] EOF on sink link out_0_0:default.
    No more output streams to write to, finishing.
    [webm @ 0x55ce67b2e2a0] get_metadata_duration returned : 15025000
    [webm @ 0x55ce67b2e2a0] Write early duration from recording time = 1000
    [webm @ 0x55ce67b2e2a0] end duration = 0
    [webm @ 0x55ce67b2e2a0] stream 0 end duration = 0
    frame=    0 fps=0.0 q=0.0 Lsize=       1kB time=00:00:00.00 bitrate=N/A speed=   0x
    video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead : unknown
    Input file #0 (test.webm) :
      Input stream #0:0 (video) : 120 packets read (1031599 bytes) ; 112 frames decoded ;
      Total : 120 packets (1031599 bytes) demuxed
    Output file #0 (output.webm) :
      Output stream #0:0 (video) : 0 frames encoded ; 0 packets muxed (0 bytes) ;
      Total : 0 packets (0 bytes) muxed
    Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
    112 frames successfully decoded, 0 decoding errors
    [AVIOContext @ 0x55ce67b2e9a0] Statistics : 13 seeks, 9 writeouts
    [AVIOContext @ 0x55ce67a01660] Statistics : 2137508 bytes read, 4 seeks

  • Problem using -to, combining -to with framerate change

    21 avril 2019, par LLL

    I have a question regarding the use of the -to option :

    In FFmpeg version 3 (at least 3.2.12 included in Debian 9), -to was an output only option. In more recent version it seems to be accepted as an input option as well (as written here https://www.ffmpeg.org/ffmpeg.html#Main-options) but I run into limitations when using in conjunction with -r.
    What I expect, if I increase the framerate of the input, is that the output will be shorter. But it is not the case if I’m not using the whole input :

    ffmpeg -r 30 -to 10 -i my18fpsFile.avi out.mp4

    out.mp4 will be 10 seconds long, so the input has been read further than 10 seconds in.
    In other terms, even as an input option, it seems to behave like an output option.

    Tested with ffmpeg version N-48102-g7cab5471b2-static https://johnvansickle.com/ffmpeg/ on Debian Stretch.

    Thanks for your advice or confirmation that this is not normal.

    Edit : Thank you Gyan for your reply and your explanation.

    While it seems to work, some testing makes me remember why I wasn’t satisfied with this solution :
    Stating -r as an input option forces the framerate for the reading of the input and ensures one frame in the input is one frame in the output. This is what I want.

    Using yours solution with the filter on the output does cause dropped frames sometimes (which I have never had with -r).
    However, some more testing draws me to the conclusion that the dropped frames problem happens only with an mkv container ! Your solution works fine with other containers (as far as I have tested), but with mkv (and various video codecs, it doesn’t seem to make a difference), I get a lot of dropped frames.
    Using -r with mkv causes no dropped frames.

    In conclusion, I’m not sure how to generalize this solution, as avoiding mkv is annoying for me.
    But thank you, and if anyone has some more experience or ideas, please chime in.

    Adding logs :
    Note the line :
    [avi @ 0x6cf6880] parser not found for codec rawvideo, packets or times may be invalid
    I guess it is the cause of the problem ? Is there a solution if the files are raw avi with no index ?

    Although the warning is the same, I don’t get dropped frames if I use the exact same command only with f.mov instead of mkv.

    ffmpeg -v 40 -to 10 -i f.avi -vf setpts=N/30/TB -r 30 f.mkv
    
ffmpeg version N-48102-g7cab5471b2-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2019 the FFmpeg developers
    
  built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
    
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc-6 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --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-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      56. 26.100 / 56. 26.100
    
  libavcodec     58. 46.100 / 58. 46.100
    
  libavformat    58. 26.100 / 58. 26.100
    
  libavdevice    58.  6.101 / 58.  6.101
    
  libavfilter     7. 48.100 /  7. 48.100
    
  libswscale      5.  4.100 /  5.  4.100
    
  libswresample   3.  4.100 /  3.  4.100
    
  libpostproc    55.  4.100 / 55.  4.100
    
[avi @ 0x6cf6880] parser not found for codec rawvideo, packets or times may be invalid.
    
    Last message repeated 1 times
    
Input #0, avi, from 'f.avi':
    
  Duration: 00:01:11.62, start: 0.000000, bitrate: 846067 kb/s
    
    Stream #0:0: Video: rawvideo, 1 reference frame, bgr24, 1632x1200, 846638 kb/s, 18 fps, 18 tbr, 18 tbn, 18 tbc
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
[graph 0 input from stream 0:0 @ 0x6d0fc00] w:1632 h:1200 pixfmt:bgr24 tb:1000/17999 fr:17999/1000 sar:0/1 sws_param:flags=2
    
[auto_scaler_0 @ 0x6d105c0] w:iw h:ih flags:'bicubic' interl:0
    
[format @ 0x6cfe5c0] auto-inserting filter 'auto_scaler_0' between the filter 'Parsed_setpts_0' and the filter 'format'
    
[trim_in_0_0 @ 0x6d109c0] TB:0.055559 FRAME_RATE:17.999000 SAMPLE_RATE:nan
    
[auto_scaler_0 @ 0x6d105c0] w:1632 h:1200 fmt:bgr24 sar:0/1 -> w:1632 h:1200 fmt:yuv444p sar:0/1 flags:0x4
    
[libx264 @ 0x6cfb2c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x6cfb2c0] profile High 4:4:4 Predictive, level 4.0, 4:4:4, 8-bit
    
[libx264 @ 0x6cfb2c0] 264 - core 157 r2935 545de2f - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 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=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, matroska, to 'f.mkv':
    
  Metadata:
    
    encoder         : Lavf58.26.100
    
    Stream #0:0: Video: h264 (libx264), 1 reference frame (H264 / 0x34363248), yuv444p, 1632x1200, q=-1--1, 30 fps, 1k tbn, 30 tbc
    
    Metadata:
    
      encoder         : Lavc58.46.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
Past duration 0.666481 too large
    
*** dropping frame 5 from stream 0 at ts 3
    
Past duration 0.666191 too large
    
*** dropping frame 9 from stream 0 at ts 8
    
Past duration 0.665916 too large
    
*** dropping frame 13 from stream 0 at ts 13
    
Past duration 0.665642 too large
    
*** dropping frame 17 from stream 0 at ts 18
    
Past duration 0.665367 too large
    
*** dropping frame 21 from stream 0 at ts 23
    
Past duration 0.665092 too large
    
*** dropping frame 25 from stream 0 at ts 28
    
Past duration 0.664803 too large
    
*** dropping frame 29 from stream 0 at ts 33me=00:00:00.00 bitrate=N/A dup=0 drop=6 speed=   0x    
    
Past duration 0.664528 too large
    
*** dropping frame 33 from stream 0 at ts 38
    
Past duration 0.664253 too large
    
*** dropping frame 37 from stream 0 at ts 43
    
Past duration 0.663979 too large
    
*** dropping frame 41 from stream 0 at ts 48
    
Past duration 0.663689 too large
    
*** dropping frame 45 from stream 0 at ts 53
    
Past duration 0.663414 too large      1kB time=00:00:00.00 bitrate=N/A dup=0 drop=11 speed=   0x    
    
*** dropping frame 49 from stream 0 at ts 58
    
Past duration 0.663139 too large
    
*** dropping frame 53 from stream 0 at ts 63ime=00:00:00.00 bitrate=5768.0kbits/s dup=0 drop=12 speed=0.00049x    
    
Past duration 0.662865 too large
    
*** dropping frame 57 from stream 0 at ts 68ime=00:00:00.13 bitrate=  43.0kbits/s dup=0 drop=13 speed=0.0514x    
    
Past duration 0.662590 too large
    
*** dropping frame 61 from stream 0 at ts 73ime=00:00:00.30 bitrate=  19.2kbits/s dup=0 drop=14 speed=0.094x    
    
Past duration 0.662300 too large
    
*** dropping frame 65 from stream 0 at ts 78ime=00:00:00.46 bitrate=  12.3kbits/s dup=0 drop=15 speed=0.125x    
    
Past duration 0.662025 too large       1kB time=00:00:00.60 bitrate=   9.6kbits/s dup=0 drop=16 speed=0.142x    
    
*** dropping frame 69 from stream 0 at ts 83
    
Past duration 0.661751 too large       1kB time=00:00:00.76 bitrate=   7.5kbits/s dup=0 drop=17 speed=0.162x    
    
*** dropping frame 73 from stream 0 at ts 88
    
Past duration 0.661476 too large       1kB time=00:00:00.93 bitrate=   6.2kbits/s dup=0 drop=18 speed=0.175x    
    
*** dropping frame 77 from stream 0 at ts 93
    
Past duration 0.661201 too large
    
*** dropping frame 81 from stream 0 at ts 98ime=00:00:01.13 bitrate=8036.9kbits/s dup=0 drop=19 speed=0.193x    
    
Past duration 0.660912 too large
    
*** dropping frame 85 from stream 0 at ts 103me=00:00:01.30 bitrate=7005.3kbits/s dup=0 drop=20 speed=0.204x    
    
Past duration 0.660637 too large
    
*** dropping frame 89 from stream 0 at ts 108me=00:00:01.46 bitrate=6208.3kbits/s dup=0 drop=21 speed=0.21x    
    
Past duration 0.660362 too large
    
*** dropping frame 93 from stream 0 at ts 113
    
Past duration 0.660088 too large    1113kB time=00:00:01.76 bitrate=5154.9kbits/s dup=0 drop=23 speed=0.235x    
    
*** dropping frame 97 from stream 0 at ts 118
    
Past duration 0.659813 too large    1113kB time=00:00:01.83 bitrate=4969.4kbits/s dup=0 drop=24 speed=0.229x    
    
*** dropping frame 101 from stream 0 at ts 123
    
Past duration 0.659523 too large
    
*** dropping frame 105 from stream 0 at ts 128e=00:00:02.13 bitrate=4270.8kbits/s dup=0 drop=25 speed=0.235x    
    
Past duration 0.659248 too large
    
*** dropping frame 109 from stream 0 at ts 133
    
Past duration 0.658974 too large    2399kB time=00:00:02.43 bitrate=8075.2kbits/s dup=0 drop=27 speed=0.252x    
    
*** dropping frame 113 from stream 0 at ts 138
    
Past duration 0.658699 too large
    
*** dropping frame 117 from stream 0 at ts 143e=00:00:02.63 bitrate=7462.1kbits/s dup=0 drop=28 speed=0.25x    
    
Past duration 0.658424 too large
    
*** dropping frame 121 from stream 0 at ts 148
    
Past duration 0.658134 too large    2399kB time=00:00:02.93 bitrate=6699.1kbits/s dup=0 drop=30 speed=0.266x    
    
*** dropping frame 125 from stream 0 at ts 153
    
Past duration 0.657860 too large
    
*** dropping frame 129 from stream 0 at ts 158e=00:00:03.13 bitrate=6271.6kbits/s dup=0 drop=31 speed=0.265x    
    
Past duration 0.657585 too large
    
*** dropping frame 133 from stream 0 at ts 163
    
Past duration 0.657310 too large    2399kB time=00:00:03.33 bitrate=5895.4kbits/s dup=0 drop=33 speed=0.271x    
    
*** dropping frame 137 from stream 0 at ts 168e=00:00:03.46 bitrate=5667.6kbits/s dup=0 drop=33 speed=0.269x    
    
Past duration 0.657036 too large
    
*** dropping frame 141 from stream 0 at ts 173
    
Past duration 0.656746 too large
    
No more output streams to write to, finishing.e=00:00:03.80 bitrate=5171.0kbits/s dup=0 drop=35 speed=0.279x    
    
frame=  145 fps=8.0 q=-1.0 Lsize=    4590kB time=00:00:05.90 bitrate=6372.0kbits/s dup=0 drop=35 speed=0.326x    
    
video:4588kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.042357%
    
Input file #0 (f.avi):
    
  Input stream #0:0 (video): 181 packets read (1063411200 bytes); 181 frames decoded; 
    
  Total: 181 packets (1063411200 bytes) demuxed
    
Output file #0 (f.mkv):
    
  Output stream #0:0 (video): 145 frames encoded; 145 packets muxed (4698140 bytes); 
    
  Total: 145 packets (4698140 bytes) muxed
    
[AVIOContext @ 0x6cfe940] Statistics: 20 seeks, 33 writeouts
    
[libx264 @ 0x6cfb2c0] frame I:4     Avg QP:25.17  size: 84331
    
[libx264 @ 0x6cfb2c0] frame P:40    Avg QP:26.64  size: 47807
    
[libx264 @ 0x6cfb2c0] frame B:101   Avg QP:27.85  size: 24236
    
[libx264 @ 0x6cfb2c0] consecutive B-frames:  4.1%  8.3%  2.1% 85.5%
    
[libx264 @ 0x6cfb2c0] mb I  I16..4: 29.5%  0.0% 70.5%
    
[libx264 @ 0x6cfb2c0] mb P  I16..4: 12.0%  0.0% 20.1%  P16..4: 38.5% 16.5%  4.5%  0.0%  0.0%    skip: 8.4%
    
[libx264 @ 0x6cfb2c0] mb B  I16..4:  1.8%  0.0%  2.7%  B16..8: 46.5% 11.4%  1.6%  direct: 7.6%  skip:28.4%  L0:40.6% L1:55.6% BI: 3.8%
    
[libx264 @ 0x6cfb2c0] coded y,u,v intra: 55.9% 11.8% 19.2% inter: 22.1% 1.1% 2.6%
    
[libx264 @ 0x6cfb2c0] i16 v,h,dc,p: 30% 15%  7% 48%
    
[libx264 @ 0x6cfb2c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 16% 18%  7%  8%  8%  7%  7%  3%
    
[libx264 @ 0x6cfb2c0] Weighted P-Frames: Y:17.5% UV:10.0%
    
[libx264 @ 0x6cfb2c0] ref P L0: 54.3% 15.8% 20.0%  8.8%  1.2%
    
[libx264 @ 0x6cfb2c0] ref B L0: 87.9%  9.3%  2.8%
    
[libx264 @ 0x6cfb2c0] ref B L1: 95.9%  4.1%
    
[libx264 @ 0x6cfb2c0] kb/s:6263.27
    
[AVIOContext @ 0x6cff580] Statistics: 1063666996 bytes read, 4 seeks

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