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Sur d’autres sites (6960)

  • ffmpeg filters image processing

    15 décembre 2017, par Ja_cpp

    ffmpeg is applying some filters to the images before constructing the video. Is there any way to know those filters ?

    I’m using this command (so every parameters are kept by default) :

    ffmpeg -framerate 12 -i frame%02d.jpg out.mp4

    Example of one frame :

    Image file :

    enter image description here

    From the video :
    enter image description here

    I’m working on image processing with c++ and I’m interested in the way ffmpeg filtering the images

    EDIT

    When I launch the command line, that what I get in the terminal :

    ffmpeg -framerate 5 -i frame%02d.jpg output.mp4


    ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017 the FFmpeg developers
     built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
     configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --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-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --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-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
     libavutil      54. 31.100 / 54. 31.100
     libavcodec     56. 60.100 / 56. 60.100
     libavformat    56. 40.101 / 56. 40.101
     libavdevice    56.  4.100 / 56.  4.100
     libavfilter     5. 40.101 /  5. 40.101
     libavresample   2.  1.  0 /  2.  1.  0
     libswscale      3.  1.101 /  3.  1.101
     libswresample   1.  2.101 /  1.  2.101
     libpostproc    53.  3.100 / 53.  3.100
    [mjpeg @ 0x23e8600] Changeing bps to 8
    Input #0, image2, from 'frame%02d.jpg':
     Duration: 00:01:40.20, start: 0.000000, bitrate: N/A
       Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 2576x1456 [SAR 1:1 DAR 23:13], 5 fps, 5 tbr, 5 tbn, 5 tbc
    No pixel format specified, yuvj420p for H.264 encoding chosen.
    Use -pix_fmt yuv420p for compatibility with outdated media players.
    [libx264 @ 0x23ec680] using SAR=1/1
    [libx264 @ 0x23ec680] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    [libx264 @ 0x23ec680] profile High, level 5.0
    [libx264 @ 0x23ec680] 264 - core 148 r2643 5c65704 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=12 lookahead_threads=2 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=5 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to 'output.mp4':
     Metadata:
       encoder         : Lavf56.40.101
       Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuvj420p(pc), 2576x1456 [SAR 1:1 DAR 23:13], q=-1--1, 5 fps, 10240 tbn, 5 tbc
       Metadata:
         encoder         : Lavc56.60.100 libx264
    Stream mapping:
     Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
    Press [q] to stop, [?] for help
    frame=  501 fps=3.8 q=-1.0 Lsize=  154288kB time=00:01:39.80 bitrate=12664.6kbits/s    
    video:154284kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.002771%
    [libx264 @ 0x23ec680] frame I:3     Avg QP:17.31  size:564506
    [libx264 @ 0x23ec680] frame P:498   Avg QP:19.27  size:313841
    [libx264 @ 0x23ec680] mb I  I16..4:  0.2% 97.1%  2.7%
    [libx264 @ 0x23ec680] mb P  I16..4:  0.0% 46.3%  0.5%  P16..4: 12.5% 13.0%  7.7%  0.0%  0.0%    skip:20.1%
    [libx264 @ 0x23ec680] 8x8 transform intra:98.9% inter:73.3%
    [libx264 @ 0x23ec680] coded y,uvDC,uvAC intra: 99.0% 99.7% 96.0% inter: 52.0% 57.7% 37.0%
    [libx264 @ 0x23ec680] i16 v,h,dc,p: 17% 16% 13% 54%
    [libx264 @ 0x23ec680] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 12% 33%  6%  7%  6%  8%  7% 10%
    [libx264 @ 0x23ec680] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 13% 14% 10% 13%  9% 11%  8% 10%
    [libx264 @ 0x23ec680] i8c dc,h,v,p: 66% 14% 14%  5%
    [libx264 @ 0x23ec680] Weighted P-Frames: Y:2.0% UV:1.2%
    [libx264 @ 0x23ec680] ref P L0: 45.6% 16.0% 20.4% 17.6%  0.5%
    [libx264 @ 0x23ec680] kb/s:12613.66
  • FFMpeg Concat Filter - Setting start position for file

    9 avril 2014, par Joyce Babu

    I want to concat two video files using the concat filter. The first file has to be included fully, whereas the second video must be included from the 10th second. Do I need to first create an intermediate file starting from the 10th second, or can I do it in one step ?

    The command I am using is

    /usr/local/bin/ffmpeg -i intro.mp4 -i input.mp4 -filter_complex '[0:v] scale=720:576 [in1]; [1:v] scale=720:576 [in2]; [in1][in2] concat [v]; [0:a][1:a] concat=v=0:a=1 [a]' -map '[v]' -map '[a]' output.mp4

    I tried specifying -ss after -i input.mp4, but it is applied on the final output file.

    iMac:files joyce$ /usr/local/bin/ffmpeg -i intro.mp4 -i input.mp4 -filter_complex '[0:v] scale=720:576 [in1]; [1:v] scale=720:576 [in2]; [in1][in2] concat [v]; [0:a][1:a] concat=v=0:a=1 [a]' -map '[v]' -map '[a]' output.mp4
    ffmpeg version 2.1.4 Copyright (c) 2000-2014 the FFmpeg developers
     built on Mar 22 2014 16:19:43 with Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
     configuration: --prefix=/usr/local/Cellar/ffmpeg/2.1.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libfdk-aac
     libavutil      52. 48.101 / 52. 48.101
     libavcodec     55. 39.101 / 55. 39.101
     libavformat    55. 19.104 / 55. 19.104
     libavdevice    55.  5.100 / 55.  5.100
     libavfilter     3. 90.100 /  3. 90.100
     libavresample   1.  1.  0 /  1.  1.  0
     libswscale      2.  5.101 /  2.  5.101
     libswresample   0. 17.104 /  0. 17.104
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'intro.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.19.104
     Duration: 00:00:03.05, start: 0.046440, bitrate: 1304 kb/s
       Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1920x1080, 1167 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 132 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.19.104
       episode_sort    : 1
       season_number   : 1
       media_type      : 9
       hd_video        : 0
     Duration: 00:00:45.43, start: 0.042667, bitrate: 906 kb/s
       Stream #1:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 720x576 [SAR 1:1 DAR 5:4], 774 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #1:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    File 'output.mp4' already exists. Overwrite ? [y/N] y
    [libx264 @ 0x7fa9a8828e00] using SAR=1/1
    [libx264 @ 0x7fa9a8828e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
    [libx264 @ 0x7fa9a8828e00] profile High, level 3.1
    [libx264 @ 0x7fa9a8828e00] 264 - core 125 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - 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=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, mp4, to 'output.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf55.19.104
       Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 720x576 [SAR 1:1 DAR 5:4], q=-1--1, 30k tbn, 29.97 tbc (default)
       Stream #0:1: Audio: aac (libfaac) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s (default)
    Stream mapping:
     Stream #0:0 (h264) -> scale
     Stream #0:1 (aac) -> concat:in0:a0
     Stream #1:0 (h264) -> scale
     Stream #1:1 (aac) -> concat:in1:a0
     concat -> Stream #0:0 (libx264)
     concat -> Stream #0:1 (libfaac)
    Press [q] to stop, [?] for help
    frame= 1453 fps= 42 q=-1.0 Lsize=    4536kB time=00:00:48.50 bitrate= 766.1kbits/s dup=227 drop=0    
    video:3796kB audio:691kB subtitle:0 global headers:0kB muxing overhead 1.102067%
    [libx264 @ 0x7fa9a8828e00] frame I:31    Avg QP:17.02  size: 14953
    [libx264 @ 0x7fa9a8828e00] frame P:764   Avg QP:24.14  size:  3677
    [libx264 @ 0x7fa9a8828e00] frame B:658   Avg QP:28.17  size:   933
    [libx264 @ 0x7fa9a8828e00] consecutive B-frames: 36.4%  6.2% 10.3% 47.1%
    [libx264 @ 0x7fa9a8828e00] mb I  I16..4: 40.4% 32.3% 27.3%
    [libx264 @ 0x7fa9a8828e00] mb P  I16..4:  6.6%  4.0%  1.1%  P16..4: 25.2%  5.7%  2.3%  0.0%  0.0%    skip:55.0%
    [libx264 @ 0x7fa9a8828e00] mb B  I16..4:  0.8%  0.4%  0.2%  B16..8: 24.5%  1.7%  0.2%  direct: 0.5%  skip:71.6%  L0:50.7% L1:45.5% BI: 3.9%
    [libx264 @ 0x7fa9a8828e00] 8x8 transform intra:33.3% inter:59.0%
    [libx264 @ 0x7fa9a8828e00] coded y,uvDC,uvAC intra: 26.4% 41.2% 8.0% inter: 5.6% 7.9% 0.2%
    [libx264 @ 0x7fa9a8828e00] i16 v,h,dc,p: 46% 29%  8% 17%
    [libx264 @ 0x7fa9a8828e00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 19% 28%  3%  3%  4%  3%  4%  3%
    [libx264 @ 0x7fa9a8828e00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 34% 22% 13%  4%  6%  7%  5%  5%  3%
    [libx264 @ 0x7fa9a8828e00] i8c dc,h,v,p: 57% 19% 20%  4%
    [libx264 @ 0x7fa9a8828e00] Weighted P-Frames: Y:1.8% UV:1.2%
    [libx264 @ 0x7fa9a8828e00] ref P L0: 73.2%  9.1% 11.7%  5.3%  0.7%
    [libx264 @ 0x7fa9a8828e00] ref B L0: 89.3%  8.9%  1.8%
    [libx264 @ 0x7fa9a8828e00] ref B L1: 95.3%  4.7%
    [libx264 @ 0x7fa9a8828e00] kb/s:641.26
  • Video watermarking with ffmpeg (output video size too big )

    22 janvier 2020, par kartik bansal

    i am running ffmpeg on video of size around 2 Mb and after watermarking them size of my video file is around 13-17 Mb. AM i doing something wrong. Please Help

    My code is

    ffmpeg -i "C:\flask\mobile_form\Videos\20191231140058_987654567.mp4" -i "C:\flask\mobile_form\resizeLogo.jpg" -filter_complex "[0:v][1:v]overlay=10:10,drawtext=text=Hello:fontsize=24:x=main_w-200:y=main_h-100,drawtext=text=World:fontsize=24:x=main_w-200:y=main_h-60" "C:\flask\mobile_form\waterMark\second.mp4"

    This is my full log, It is not giving any error but i want my output file to be smaller.

    ffmpeg version git-2020-01-15-0dc0837 Copyright (c) 2000-2020 the FFmpeg developers
     built with gcc 9.2.1 (GCC) 20200111
     configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
     libavutil      56. 38.100 / 56. 38.100
     libavcodec     58. 65.103 / 58. 65.103
     libavformat    58. 35.102 / 58. 35.102
     libavdevice    58.  9.103 / 58.  9.103
     libavfilter     7. 71.100 /  7. 71.100
     libswscale      5.  6.100 /  5.  6.100
     libswresample   3.  6.100 /  3.  6.100
     libpostproc    55.  6.100 / 55.  6.100

    Continued

     Metadata:
       encoder         : Chrome
     Duration: N/A, start: 0.000000, bitrate: N/A
       Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)
       Stream #0:1(eng): Video: vp8, yuv420p(progressive), 640x480, SAR 1:1 DAR 4:3, 1k tbr, 1k tbn, 1k tbc (default)
       Metadata:
         alpha_mode      : 1

     Duration: 00:00:00.04, start: 0.000000, bitrate: 1727 kb/s
       Stream #1:0: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 255x122 [SAR 120:120 DAR 255:122], 25 tbr, 25 tbn, 25 tbc
    Fontconfig error: Cannot load default config file
    [Parsed_drawtext_1 @ 000001ba5309d4c0] Using "C:/WINDOWS/fonts/mingliub.ttc"
    Fontconfig error: Cannot load default config file
    [Parsed_drawtext_2 @ 000001ba53051640] Using "C:/WINDOWS/fonts/mingliub.ttc"
    Stream mapping:
     Stream #0:1 (vp8) -> overlay:main (graph 0)
     Stream #1:0 (mjpeg) -> overlay:overlay (graph 0)
     drawtext (graph 0) -> Stream #0:0 (libx264)
     Stream #0:0 -> #0:1 (opus (native) -> aac (native))
    Press [q] to stop, [?] for help
    Fontconfig error: Cannot load default config file
    [Parsed_drawtext_1 @ 000001ba53c06280] Using "C:/WINDOWS/fonts/mingliub.ttc"
    Fontconfig error: Cannot load default config file
    [Parsed_drawtext_2 @ 000001ba53c40d40] Using "C:/WINDOWS/fonts/mingliub.ttc"
    [swscaler @ 000001ba53caf380] deprecated pixel format used, make sure you did set range correctly
    [libx264 @ 000001ba5304e240] using SAR=1/1
    [libx264 @ 000001ba5304e240] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
    [libx264 @ 000001ba5304e240] profile High, level 5.2, 4:2:0, 8-bit
    [libx264 @ 000001ba5304e240] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - 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=15 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00

    Output #0, mp4, to 'C:\Users\3427521kar\Desktop\New folder (2)\output30.mp4':
     Metadata:
       encoder         : Lavf58.35.102
       Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 1k fps, 16k tbn, 1k tbc (default)
       Metadata:
         encoder         : Lavc58.65.103 libx264
       Side data:
         cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
       Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s (default)
       Metadata:

    [libx264 @ 000001ba5304e240] Weighted P-Frames: Y:0.0% UV:0.0%
    [libx264 @ 000001ba5304e240] ref P L0: 77.1% 13.5%  8.3%  1.0%  0.0%
    [libx264 @ 000001ba5304e240] ref B L0: 75.0% 24.5%  0.5%
    [libx264 @ 000001ba5304e240] ref B L1: 94.1%  5.9%
    [libx264 @ 000001ba5304e240] kb/s:1380.55
    [aac @ 000001ba53067100] Qavg: 129.494

    here is the full log of my code