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    Modification lors de l’ajout d’un média
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    Les formats vidéos de sortie possibles
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Sur d’autres sites (2506)

  • improve video size ffmpeg webcam stream

    18 juin 2020, par Wolfgang Enfield

    I am trying to use a webcam Logitech Quickcam 9000 to do IRL stream from a Raspberry 3 using Raspberry Pi OS current version, I have FFmpeg installed and no matter what I try the video resolution is never bigger than 320x240 the webcam can output 1600x1200 the output of v4l2-ctl —list-formats-ext

    



    output

    



    ioctl: VIDIOC_ENUM_FMT
    Type: Video Capture

    [0]: 'MJPG' (Motion-JPEG, compressed)
        Size: Discrete 160x120
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 176x144
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 320x240
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 352x288
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 640x480
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 800x600
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 960x720
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
    [1]: 'YUYV' (YUYV 4:2:2)
        Size: Discrete 160x120
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 176x144
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 320x240
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 352x288
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 640x480
            Interval: Discrete 0.033s (30.000 fps)
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 800x600
            Interval: Discrete 0.040s (25.000 fps)
            Interval: Discrete 0.050s (20.000 fps)
            Interval: Discrete 0.067s (15.000 fps)
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 960x720
            Interval: Discrete 0.100s (10.000 fps)
            Interval: Discrete 0.200s (5.000 fps)
        Size: Discrete 1600x1200
            Interval: Discrete 0.200s (5.000 fps)


    



    Command ran

    



    ffmpeg \
-thread_queue_size 1024 \
-f alsa -guess_layout_max 0 -i default:CARD=Q9000 \
-thread_queue_size 512 \
-f v4l2 -i /dev/video0 \
-c:v libx264 -pix_fmt yuv420p -preset veryfast -g 8 -b:v 2500k -maxrate 2500k \
-bufsize 32k -strict experimental \
-acodec libmp3lame -ar 44100 \
-threads 4 -q:v 5 \
-q:a 5 \
-b:a 32k \
-r 30 \
-video_size 800×600 \
-f flv rtmp:// url removed


    



    I used the suggestion by llogan

    



    the output was

    



    ffmpeg -thread_queue_size 1024 -f alsa -guess_layout_max 0 -sample_rate 44100 -i default:CARD=Q9000 -thread_queue_size 512 -f v4l2 -video_size 800x600 -framerate 25 -i /dev/video0 -c:v libx264 -pix_fmt yuv420p -preset veryfast -g 50 -b:v 2500k -maxrate 2500k -bufsize 7500k -acodec aac -b:a 32k -f flv rtmp:// url removed
ffmpeg version 4.1.4-1+rpt7~deb10u1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8 (Raspbian 8.3.0-6+rpi1)
  configuration: --prefix=/usr --extra-version='1+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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+rpt7~deb10u1' --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-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
Input #0, alsa, from 'default:CARD=Q9000':
  Duration: N/A, start: 1592431360.618918, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
Input #1, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 674.216340, bitrate: 192000 kb/s
    Stream #1:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 800x600, 192000 kb/s, 25 fps, 25 tbr, 1000k tbn, 1000k tbc
Stream mapping:
  Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native))
Press [q] to stop, [?] for help
[alsa @ 0xaea410] ALSA buffer xrun.
[libx264 @ 0xb362e0] using cpu capabilities: ARMv6 NEON
[libx264 @ 0xb362e0] profile High, level 3.1
[libx264 @ 0xb362e0] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 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=1 keyint=50 keyint_min=5 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=cbr mbtree=1 bitrate=2500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=2500 vbv_bufsize=7500 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
[aac @ 0xb381f0] Unsupported channel layout "0 channels"
Error initializing output stream 0:1 -- Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!



    


  • Capture with no dropped frames ?

    21 juillet 2020, par ENunn

    Capping some video through my capture card and I'm getting dropped frames. Is there anything I can do to avoid getting any ?

    


    enter image description here

    


    Script :

    


    ffmpeg -f dshow -rtbufsize 2145M -framerate 59.94 -threads 4 -i video="Game Capture HD60 S (Video) (#01)":audio="Game Capture HD60 S (Audio) (#01)" -r 59.94 -vsync 2 -pix_fmt yuv422p -c:v mpeg2video -q:v 0 -b:v 200M -minrate 60M -maxrate 200M -c:a pcm_s16le -f segment -segment_time 9999999999 -strftime 1 "output\%%Y-%%m-%%d_%%H-%%M-%%S.mkv"

    


  • HTTP Livestreaming with ffmpeg

    12 décembre 2020, par Hugo

    Some context : I have an MKV file, I am attempting to stream it to http://localhost:8090/test.flv as an flv file.

    



    The stream begins and then immediately ends.

    



    The command I am using is :

    



    sudo ffmpeg -re -i input.mkv -c:v libx264 -maxrate 1000k -bufsize 2000k -an -bsf:v h264_mp4toannexb -g 50 http://localhost:8090/test.flv


    



    A breakdown of what I believe these options do incase this post becomes useful for someone else :

    



    sudo


    



    Run as root

    



    ffmpeg


    



    The stream command thingy

    



    -re


    



    Stream in real-time

    



    -i input.mkv


    



    Input option and path to input file

    



    -c:v libx264


    



    Use codec libx264 for conversion

    



    -maxrate 1000k -bufsize 2000k


    



    No idea, some options for conversion, seems to help

    



    -an -bsf:v h264_mp4toannexb


    



    Audio options I think, not sure really. Also seems to help

    



    -g 50


    



    Still no idea, maybe frame rateframerateframerateframerate ?

    



    http://localhost:8090/test.flv


    



    Output using http protocol to localhost on port 8090 as a file called test.flv

    



    Anyway the actual issue I have is that it begins to stream for about a second and then immediately ends.

    



    The mpeg command result :

    



    ffmpeg version N-80901-gfebc862 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
  configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab
  libavutil      55. 28.100 / 55. 28.100
  libavcodec     57. 48.101 / 57. 48.101
  libavformat    57. 41.100 / 57. 41.100
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 47.100 /  6. 47.100
  libavresample   3.  0.  0 /  3.  0.  0
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc    54.  0.100 / 54.  0.100
Input #0, matroska,webm, from 'input.mkv':
  Metadata:
    encoder         : libebml v1.3.0 + libmatroska v1.4.0
    creation_time   : 1970-01-01 00:00:02
  Duration: 00:01:32.26, start: 0.000000, bitrate: 4432 kb/s
    Stream #0:0(eng): Video: h264 (High 10), yuv420p10le, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Stream #0:1(nor): Audio: flac, 48000 Hz, stereo, s16 (default)
[libx264 @ 0x2e1c380] using SAR=1/1
[libx264 @ 0x2e1c380] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x2e1c380] profile High, level 4.0
[libx264 @ 0x2e1c380] 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=1 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=50 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 vbv_maxrate=1000 vbv_bufsize=2000 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
[flv @ 0x2e3f0a0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Output #0, flv, to 'http://localhost:8090/test.flv':
  Metadata:
    encoder         : Lavf57.41.100
    Stream #0:0(eng): Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 23.98 fps, 1k tbn, 23.98 tbc (default)
    Metadata:
      encoder         : Lavc57.48.101 libx264
    Side data:
      cpb: bitrate max/min/avg: 1000000/0/0 buffer size: 2000000 vbv_delay: -1
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
Killed   26 fps= 26 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x  


    



    The ffserver outputs :

    



    Sat Aug 20 12:40:11 2016 File '/test.flv' not found
Sat Aug 20 12:40:11 2016 [SERVER IP] - - [POST] "/test.flv HTTP/1.1" 404 189


    



    The config file is :

    



    #Sample ffserver configuration file&#xA;&#xA;# Port on which the server is listening. You must select a different&#xA;# port from your standard HTTP web server if it is running on the same&#xA;# computer.&#xA;Port 8090&#xA;&#xA;# Address on which the server is bound. Only useful if you have&#xA;# several network interfaces.&#xA;BindAddress 0.0.0.0&#xA;&#xA;# Number of simultaneous HTTP connections that can be handled. It has&#xA;# to be defined *before* the MaxClients parameter, since it defines the&#xA;# MaxClients maximum limit.&#xA;MaxHTTPConnections 2000&#xA;&#xA;# Number of simultaneous requests that can be handled. Since FFServer&#xA;# is very fast, it is more likely that you will want to leave this high&#xA;# and use MaxBandwidth, below.&#xA;MaxClients 1000&#xA;&#xA;# This the maximum amount of kbit/sec that you are prepared to&#xA;# consume when streaming to clients.&#xA;MaxBandwidth 1000&#xA;&#xA;# Access log file (uses standard Apache log file format)&#xA;# &#x27;-&#x27; is the standard output.&#xA;CustomLog -&#xA;&#xA;# Suppress that if you want to launch ffserver as a daemon.&#xA;#NoDaemon&#xA;&#xA;&#xA;##################################################################&#xA;# Definition of the live feeds. Each live feed contains one video&#xA;# and/or audio sequence coming from an ffmpeg encoder or another&#xA;# ffserver. This sequence may be encoded simultaneously with several&#xA;# codecs at several resolutions.&#xA;&#xA;<feed>&#xA;&#xA;ACL allow 192.168.0.0 192.168.255.255&#xA;&#xA;# You must use &#x27;ffmpeg&#x27; to send a live feed to ffserver. In this&#xA;# example, you can type:&#xA;#&#xA;#ffmpeg http://localhost:8090/test.ffm&#xA;&#xA;# ffserver can also do time shifting. It means that it can stream any&#xA;# previously recorded live stream. The request should contain:&#xA;# "http://xxxx?date=[YYYY-MM-DDT][[HH:]MM:]SS[.m...]".You must specify&#xA;# a path where the feed is stored on disk. You also specify the&#xA;# maximum size of the feed, where zero means unlimited. Default:&#xA;# File=/tmp/feed_name.ffm FileMaxSize=5M&#xA;File /tmp/feed1.ffm&#xA;FileMaxSize 200m&#xA;&#xA;# You could specify&#xA;# ReadOnlyFile /saved/specialvideo.ffm&#xA;# This marks the file as readonly and it will not be deleted or updated.&#xA;&#xA;# Specify launch in order to start ffmpeg automatically.&#xA;# First ffmpeg must be defined with an appropriate path if needed,&#xA;# after that options can follow, but avoid adding the http:// field&#xA;#Launch ffmpeg&#xA;&#xA;# Only allow connections from localhost to the feed.&#xA;    ACL allow 127.0.0.1&#xA;&#xA;</feed>&#xA;&#xA;&#xA;##################################################################&#xA;# Now you can define each stream which will be generated from the&#xA;# original audio and video stream. Each format has a filename (here&#xA;# &#x27;test1.mpg&#x27;). FFServer will send this stream when answering a&#xA;# request containing this filename.&#xA;&#xA;<stream>&#xA;&#xA;# coming from live feed &#x27;feed1&#x27;&#xA;Feed feed1.ffm&#xA;&#xA;# Format of the stream : you can choose among:&#xA;# mpeg       : MPEG-1 multiplexed video and audio&#xA;# mpegvideo  : only MPEG-1 video&#xA;# mp2        : MPEG-2 audio (use AudioCodec to select layer 2 and 3 codec)&#xA;# ogg        : Ogg format (Vorbis audio codec)&#xA;# rm         : RealNetworks-compatible stream. Multiplexed audio and video.&#xA;# ra         : RealNetworks-compatible stream. Audio only.&#xA;# mpjpeg     : Multipart JPEG (works with Netscape without any plugin)&#xA;# jpeg       : Generate a single JPEG image.&#xA;# asf        : ASF compatible streaming (Windows Media Player format).&#xA;# swf        : Macromedia Flash compatible stream&#xA;# avi        : AVI format (MPEG-4 video, MPEG audio sound)&#xA;Format mpeg&#xA;&#xA;# Bitrate for the audio stream. Codecs usually support only a few&#xA;# different bitrates.&#xA;AudioBitRate 32&#xA;&#xA;# Number of audio channels: 1 = mono, 2 = stereo&#xA;AudioChannels 2&#xA;&#xA;# Sampling frequency for audio. When using low bitrates, you should&#xA;# lower this frequency to 22050 or 11025. The supported frequencies&#xA;# depend on the selected audio codec.&#xA;AudioSampleRate 44100&#xA;&#xA;# Bitrate for the video stream&#xA;VideoBitRate 64&#xA;&#xA;# Ratecontrol buffer size&#xA;VideoBufferSize 40&#xA;&#xA;# Number of frames per second&#xA;VideoFrameRate 3&#xA;&#xA;# Size of the video frame: WxH (default: 160x128)&#xA;# The following abbreviations are defined: sqcif, qcif, cif, 4cif, qqvga,&#xA;# qvga, vga, svga, xga, uxga, qxga, sxga, qsxga, hsxga, wvga, wxga, wsxga,&#xA;# wuxga, woxga, wqsxga, wquxga, whsxga, whuxga, cga, ega, hd480, hd720,&#xA;# hd1080&#xA;VideoSize hd1080&#xA;&#xA;# Transmit only intra frames (useful for low bitrates, but kills frame rate).&#xA;#VideoIntraOnly&#xA;&#xA;# If non-intra only, an intra frame is transmitted every VideoGopSize&#xA;# frames. Video synchronization can only begin at an intra frame.&#xA;VideoGopSize 12&#xA;&#xA;# More MPEG-4 parameters&#xA;# VideoHighQuality&#xA;# Video4MotionVector&#xA;&#xA;# Choose your codecs:&#xA;#AudioCodec mp2&#xA;#VideoCodec mpeg1video&#xA;&#xA;# Suppress audio&#xA;#NoAudio&#xA;&#xA;# Suppress video&#xA;#NoVideo&#xA;&#xA;#VideoQMin 3&#xA;#VideoQMax 31&#xA;&#xA;# Set this to the number of seconds backwards in time to start. Note that&#xA;# most players will buffer 5-10 seconds of video, and also you need to allow&#xA;# for a keyframe to appear in the data stream.&#xA;#Preroll 15&#xA;&#xA;# ACL:&#xA;&#xA;# You can allow ranges of addresses (or single addresses)&#xA;ACL ALLOW localhost&#xA;&#xA;# You can deny ranges of addresses (or single addresses)&#xA;#ACL DENY <first address="address"> &#xA;&#xA;# You can repeat the ACL allow/deny as often as you like. It is on a per&#xA;# stream basis. The first match defines the action. If there are no matches,&#xA;# then the default is the inverse of the last ACL statement.&#xA;#&#xA;# Thus &#x27;ACL allow localhost&#x27; only allows access from localhost.&#xA;# &#x27;ACL deny 1.0.0.0 1.255.255.255&#x27; would deny the whole of network 1 and&#xA;# allow everybody else.&#xA;&#xA;</first></stream>&#xA;&#xA;&#xA;##################################################################&#xA;# Example streams&#xA;&#xA;&#xA;# Multipart JPEG&#xA;&#xA;#<stream>&#xA;#Feed feed1.ffm&#xA;#Format mpjpeg&#xA;#VideoFrameRate 2&#xA;#VideoIntraOnly&#xA;#NoAudio&#xA;#Strict -1&#xA;#</stream>&#xA;&#xA;&#xA;# Single JPEG&#xA;&#xA;#<stream>&#xA;#Feed feed1.ffm&#xA;#Format jpeg&#xA;#VideoFrameRate 2&#xA;#VideoIntraOnly&#xA;##VideoSize 352x240&#xA;#NoAudio&#xA;#Strict -1&#xA;#</stream>&#xA;&#xA;&#xA;# Flash&#xA;&#xA;#<stream>&#xA;#Feed feed1.ffm&#xA;#Format swf&#xA;#VideoFrameRate 2&#xA;#VideoIntraOnly&#xA;#NoAudio&#xA;#</stream>&#xA;&#xA;&#xA;# ASF compatible&#xA;&#xA;<stream>&#xA;Feed feed1.ffm&#xA;Format asf&#xA;VideoFrameRate 15&#xA;VideoSize 352x240&#xA;VideoBitRate 256&#xA;VideoBufferSize 40&#xA;VideoGopSize 30&#xA;AudioBitRate 64&#xA;StartSendOnKey&#xA;</stream>&#xA;&#xA;&#xA;# MP3 audio&#xA;&#xA;#<stream>&#xA;#Feed feed1.ffm&#xA;#Format mp2&#xA;#AudioCodec mp3&#xA;#AudioBitRate 64&#xA;#AudioChannels 1&#xA;#AudioSampleRate 44100&#xA;#NoVideo&#xA;#</stream>&#xA;&#xA;&#xA;# Ogg Vorbis audio&#xA;&#xA;#<stream>&#xA;#Feed feed1.ffm&#xA;#Title "Stream title"&#xA;#AudioBitRate 64&#xA;#AudioChannels 2&#xA;#AudioSampleRate 44100&#xA;#NoVideo&#xA;#</stream>&#xA;&#xA;&#xA;# Real with audio only at 32 kbits&#xA;&#xA;#<stream>&#xA;#Feed feed1.ffm&#xA;#Format rm&#xA;#AudioBitRate 32&#xA;#NoVideo&#xA;#NoAudio&#xA;#</stream>&#xA;&#xA;&#xA;# Real with audio and video at 64 kbits&#xA;&#xA;#<stream>&#xA;#Feed feed1.ffm&#xA;#Format rm&#xA;#AudioBitRate 32&#xA;#VideoBitRate 128&#xA;#VideoFrameRate 25&#xA;#VideoGopSize 25&#xA;#NoAudio&#xA;#</stream>&#xA;&#xA;&#xA;##################################################################&#xA;# A stream coming from a file: you only need to set the input&#xA;# filename and optionally a new format. Supported conversions:&#xA;#    AVI -> ASF&#xA;&#xA;#<stream>&#xA;#File "/usr/local/httpd/htdocs/tlive.rm"&#xA;#NoAudio&#xA;#</stream>&#xA;&#xA;#<stream>&#xA;#File "/usr/local/httpd/htdocs/test.asf"&#xA;#NoAudio&#xA;#Author "Me"&#xA;#Copyright "Super MegaCorp"&#xA;#Title "Test stream from disk"&#xA;#Comment "Test comment"&#xA;#</stream>&#xA;&#xA;&#xA;##################################################################&#xA;# RTSP examples&#xA;#&#xA;# You can access this stream with the RTSP URL:&#xA;#   rtsp://localhost:5454/test1-rtsp.mpg&#xA;#&#xA;# A non-standard RTSP redirector is also created. Its URL is:&#xA;#   http://localhost:8090/test1-rtsp.rtsp&#xA;&#xA;#<stream>&#xA;#Format rtp&#xA;#File "/usr/local/httpd/htdocs/test1.mpg"&#xA;#</stream>&#xA;&#xA;&#xA;# Transcode an incoming live feed to another live feed,&#xA;# using libx264 and video presets&#xA;&#xA;#<stream>&#xA;#Format rtp&#xA;#Feed feed1.ffm&#xA;#VideoCodec libx264&#xA;#VideoFrameRate 24&#xA;#VideoBitRate 100&#xA;#VideoSize 480x272&#xA;#AVPresetVideo default&#xA;#AVPresetVideo baseline&#xA;#AVOptionVideo flags &#x2B;global_header&#xA;#&#xA;#AudioCodec libfaac&#xA;#AudioBitRate 32&#xA;#AudioChannels 2&#xA;#AudioSampleRate 22050&#xA;#AVOptionAudio flags &#x2B;global_header&#xA;#</stream>&#xA;&#xA;##################################################################&#xA;# SDP/multicast examples&#xA;#&#xA;# If you want to send your stream in multicast, you must set the&#xA;# multicast address with MulticastAddress. The port and the TTL can&#xA;# also be set.&#xA;#&#xA;# An SDP file is automatically generated by ffserver by adding the&#xA;# &#x27;sdp&#x27; extension to the stream name (here&#xA;# http://localhost:8090/test1-sdp.sdp). You should usually give this&#xA;# file to your player to play the stream.&#xA;#&#xA;# The &#x27;NoLoop&#x27; option can be used to avoid looping when the stream is&#xA;# terminated.&#xA;&#xA;#<stream>&#xA;#Format rtp&#xA;#File "/usr/local/httpd/htdocs/test1.mpg"&#xA;#MulticastAddress 224.124.0.1&#xA;#MulticastPort 5000&#xA;#MulticastTTL 16&#xA;#NoLoop&#xA;#</stream>&#xA;&#xA;&#xA;##################################################################&#xA;# Special streams&#xA;&#xA;# Server status&#xA;&#xA;<stream>&#xA;Format status&#xA;&#xA;# Only allow local people to get the status&#xA;ACL allow localhost&#xA;ACL allow 192.168.0.0 192.168.255.255&#xA;&#xA;#FaviconURL http://pond1.gladstonefamily.net:8080/favicon.ico&#xA;</stream>&#xA;&#xA;&#xA;# Redirect index.html to the appropriate site&#xA;&#xA;<redirect>&#xA;URL http://www.ffmpeg.org/&#xA;</redirect>&#xA;&#xA;&#xA;#http://www.ffmpeg.org/&#xA;

    &#xA;&#xA;

    Any help is greatly appreciated, I will do my best draw a picture of the best answer based on their username.

    &#xA;

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