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  • FFmpeg libxh264 error on Slackware current

    22 novembre 2021, par unixbhaskar

    Well, here are specs which gives you heads up before suggesting ...

    bhaskar@Slackware_06:46:54_Sat Nov 20: :~>ffmpeg -codecs | grep h264
ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 11.2.0 (GCC)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --docdir=/usr/doc/ffmpeg-4.4.1/html --mandir=/usr/man --disable-debug --enable-shared --disable-static --enable-gpl --enable-version3 --enable-avresample --arch=x86_64 --disable-encoder=aac --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gnutls --enable-libbluray --enable-libcaca --enable-libcdio --enable-frei0r --enable-openal --enable-libopus --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libmp3lame --enable-opencl --enable-opengl --enable-libopenjpeg --enable-libpulse --enable-libsmbclient --enable-libxml2 --enable-librsvg --enable-libdrm
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
 DEV.LS h264                 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m ) (encoders: h264_v4l2m2m h264_vaapi )

    Also

    ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 11.2.0 (GCC)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --docdir=/usr/doc/ffmpeg-4.4.1/html --mandir=/usr/man --disable-debug --enable-shared --disable-static --enable-gpl --enable-version3 --enable-avresample --arch=x86_64 --disable-encoder=aac --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gnutls --enable-libbluray --enable-libcaca --enable-libcdio --enable-frei0r --enable-openal --enable-libopus --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libmp3lame --enable-opencl --enable-opengl --enable-libopenjpeg --enable-libpulse --enable-libsmbclient --enable-libxml2 --enable-librsvg --enable-libdrm
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, alsa, from 'pulse':
  Duration: N/A, start: 1637371168.782400, bitrate: 1536 kb/s
  Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
[x11grab @ 0x87db00] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #1, x11grab, from ':0':
  Duration: N/A, start: 1637371168.825367, bitrate: 839270 kb/s
  Stream #1:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1366x768, 839270 kb/s, 25 fps, 1000k tbr, 1000k tbn, 1000k tbc
Unknown encoder 'libx264'

    And ..

    bhaskar@Slackware_06:50:02_Sat Nov 20: :~>uname -a
Linux Slackware 5.15.1-Slackware #1 SMP Sun Nov 7 10:48:30 IST 2021 x86_64 Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz GenuineIntel GNU/Linux
bhaskar@Slackware_06:50:04_Sat Nov 20: :~>cat /etc/os-release
───────┬──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
       │ File: /etc/os-release
───────┼──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
   1   │ NAME=Slackware
   2   │ VERSION="15.0"
   3   │ ID=slackware
   4   │ VERSION_ID=15.0
   5   │ PRETTY_NAME="Slackware 15.0 x86_64"
   6   │ ANSI_COLOR="0;34"
   7   │ CPE_NAME="cpe:/o:slackware:slackware_linux:15.0"
   8   │ HOME_URL="http://slackware.com/"
   9   │ SUPPORT_URL="http://www.linuxquestions.org/questions/slackware-14/"
  10   │ BUG_REPORT_URL="http://www.linuxquestions.org/questions/slackware-14/"
  11   │ VERSION_CODENAME=stable

    Wondering .....when try to build it like mentioned in this place :

    https://www.linuxquestions.org/questions/slackware-14/ffmpeg-unknown-encoder-%27libx264%27-4175677695/#post6140669

    Am I the only one , who failed to understand ,why the heck is not detecting ??

    Also,

    root@Slackware_06:52:59_Sat Nov 20:~#ldconfig -p | grep libxh264
root@Slackware_06:53:12_Sat Nov 20:~#ldconfig -p | grep h264
root@Slackware_06:54:18_Sat Nov 20:~#ls /usr/lib64/libxh2*
ls: cannot access '/usr/lib64/libxh2*': No such file or directory
root@Slackware_06:54:46_Sat Nov 20:~#ls /usr/lib/libx2*
ls: cannot access '/usr/lib/libx2*': No such file or directory

    Finally....also

    bhaskar@Slackware_06:56:58_Sat Nov 20: :~>ffmpeg -encoders | grep h264
ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 11.2.0 (GCC)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --docdir=/usr/doc/ffmpeg-4.4.1/html --mandir=/usr/man --disable-debug --enable-shared --disable-static --enable-gpl --enable-version3 --enable-avresample --arch=x86_64 --disable-encoder=aac --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gnutls --enable-libbluray --enable-libcaca --enable-libcdio --enable-frei0r --enable-openal --enable-libopus --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libmp3lame --enable-opencl --enable-opengl --enable-libopenjpeg --enable-libpulse --enable-libsmbclient --enable-libxml2 --enable-librsvg --enable-libdrm
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
 V..... h264_v4l2m2m         V4L2 mem2mem H.264 encoder wrapper (codec h264)
 V....D h264_vaapi           H.264/AVC (VAAPI) (codec h264)

    Greatly appreciated if you come close or pinpoint the reason.

    Thanks.

  • How to get the bit size of a marcoblock in x264 ?

    29 octobre 2021, par Corvo Attano

    How to get the bit size of a marcoblock in x264 after encode ? Does x264 has any API to get the bit size of each marcoblocks after encoding a slice or a frame? If the answer is no, which function should I modify to handle the bit size after encoding marcoblocks ?

  • How to avoid color shift using FFmpeg libx264

    7 septembre 2021, par florit

    I’d like to convert some footage to proxy H.264 using ffmpeg. I got a slight colorshift using the following command:

    ffmpeg -i /path/to/045_0054.MXF -map 0 -dn -c:v libx264 -preset slow -profile:v main -level:v 4.1 -coder 1 -pix_fmt yuv420p -crf 25 -vf "scale=1280:720:flags=lanczos" -movflags +faststart -colorspace 1 -color_primaries 1 -color_trc 1 -color_range 1 -brand mp42 -refs 1 -x264-params b-pyramid=0 -bf 2 -g 5 -y /path/to/045_0054.mp4

    How can I get rid of the slight magenta shift?

    mediainfo prints the following about the source file:

    General
Complete name                            : /path/to/045_0054.MXF
Format                                   : MXF
Format version                           : 1.3
Format profile                           : OP-1a
Format settings                          : Closed / Complete
File size                                : 180 MiB
Duration                                 : 14 s 720 ms
Overall bit rate mode                    : Variable
Overall bit rate                         : 102 Mb/s
Encoded date                             : 2021-02-19 13:13:15.000
Writing application                      : Sony Mem 2.00

Video
ID                                       : 2
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L5.1
Format settings                          : CABAC / 2 Ref Frames
Format settings, CABAC                   : Yes
Format settings, Reference frames        : 2 frames
Format settings, GOP                     : M=3, N=6
Format settings, wrapping mode           : Frame
Codec ID                                 : 0D01030102106001-0401020201314001
Duration                                 : 14 s 720 ms
Bit rate mode                            : Variable
Bit rate                                 : 97.8 Mb/s
Maximum bit rate                         : 100.0 Mb/s
Width                                    : 3 840 pixels
Height                                   : 2 160 pixels
Display aspect ratio                     : 16:9
Frame rate                               : 25.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.472
Stream size                              : 172 MiB (95%)
Color range                              : Limited
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

  • How to enable libx264 for FFmpeg on Elastic Beanstalk

    2 août 2021, par user15575918

    My question is very similar to that of this person, but the suggested answer did not work for me.

    Using the following ffmpeg.config file in .ebextensions I am able to install ffmpeg, but without the libx264 codec.

    packages:
  yum:
    autoconf: []
    automake: []
    cmake: []
    freetype-devel: []
    gcc: []
    gcc-c++: []
    git: []
    libtool: []
    make: []
    nasm: []
    pkgconfig: []
    zlib-devel: []
sources:
  /usr/local/src: http://ffmpeg.org/releases/ffmpeg-4.4.tar.bz2
commands:
    ffmpeg_install:
      cwd: /usr/local/src/ffmpeg-4.4
      command: sudo ./configure --prefix="/usr" --enable-gpl && make && make install

    And so, to install libx264, I have tried replacing the lines after commands: with:

      01-install_libx264:
      cwd: /usr/local/src/
      command: git clone https://code.videolan.org/videolan/x264.git && cd x264 && ./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin" && make && make install
  02-ffmpeg_install:
      cwd: /usr/local/src/ffmpeg-4.4
      command: sudo ./configure --prefix="/usr" --enable-gpl --enable-libx264 && make && make install

    It didn't work, so I tried:

      01-install_libx264:
      cwd: /usr/local/src/
      command: curl -L -O https://code.videolan.org/videolan/x264/-/archive/master/x264-master.tar.bz2 && tar xjvf x264-master.tar.bz2 && cd x264-master && ./configure --bindir="$HOME/bin" --disable-shared --enable-nasm && make && make install
  02-ffmpeg_install:
      cwd: /usr/local/src/ffmpeg-4.4
      command: sudo ./configure --prefix="/usr" --enable-gpl --enable-libx264 && make && make install

    Neither have worked. Any ideas what I'm doing wrong here? Deployment fails, log says "Unsuccessful command execution on instance", but no further detail. Is there any way to debug the command execution better?

  • Error : undefined reference to `x264_encoder_open_155'

    27 juillet 2021, par Shankar

    I had done

    sudo apt-get update
sudo apt-get upgrade

    after that i am getting this error while compiling project:

    ffmpeg/libavcodec/libx264.c:948: undefined reference to `x264_encoder_open_155'

    Even i tried to build ffmpeg, i still got same error. Is there any solution or suggestions for this error?

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