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• unable to find a suitable output format for 'ffmpeg'

  23 septembre 2015, par KDeogharkar

  I am using ffmpeg library for android.

  I am passing one ffmpeg command for convert video format from .mp4 to .avi

  ffmpeg -r 20 -i /storage/emulated/0/WisperMedia/WisperVideos/sample.mp4 -b:v 20M /storage/emulated/0/WisperMedia/WisperVideos/output.avi

  But I am getting error like

      09-23 09:29:41.525: E/Home(31343): FAILED with output : ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
  
  09-23 09:29:41.525: E/Home(31343):   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
  
  09-23 09:29:41.525: E/Home(31343):   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
  
  09-23 09:29:41.525: E/Home(31343):   libavutil      54.  7.100 / 54.  7.100
  
  09-23 09:29:41.525: E/Home(31343):   libavcodec     56.  1.100 / 56.  1.100
  
  09-23 09:29:41.525: E/Home(31343):   libavformat    56.  4.101 / 56.  4.101
  
  09-23 09:29:41.525: E/Home(31343):   libavdevice    56.  0.100 / 56.  0.100
  
  09-23 09:29:41.525: E/Home(31343):   libavfilter     5.  1.100 /  5.  1.100
  
  09-23 09:29:41.525: E/Home(31343):   libswscale      3.  0.100 /  3.  0.100
  
  09-23 09:29:41.525: E/Home(31343):   libswresample   1.  1.100 /  1.  1.100
  
  09-23 09:29:41.525: E/Home(31343):   libpostproc    53.  0.100 / 53.  0.100
  
  09-23 09:29:41.525: E/Home(31343): Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/WisperMedia/WisperVideos/sample.mp4':
  
  09-23 09:29:41.525: E/Home(31343):   Metadata:
  
  09-23 09:29:41.525: E/Home(31343):     major_brand     : isom
  
  09-23 09:29:41.525: E/Home(31343):     minor_version   : 0
  
  09-23 09:29:41.525: E/Home(31343):     compatible_brands: isom3gp4
  
  09-23 09:29:41.525: E/Home(31343):     creation_time   : 2015-09-23 03:50:16
  
  09-23 09:29:41.525: E/Home(31343):   Duration: 00:00:01.56, start: 0.000000, bitrate: 14737 kb/s
  
  09-23 09:29:41.525: E/Home(31343):     Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1280x720, 11819 kb/s, SAR 65536:65536 DAR 16:9, 29.79 fps, 29.92 tbr, 90k tbn, 180k tbc (default)
  
  09-23 09:29:41.525: E/Home(31343):     Metadata:
  
  09-23 09:29:41.525: E/Home(31343):       rotate          : 90
  
  09-23 09:29:41.525: E/Home(31343):       creation_time   : 2015-09-23 03:50:16
  
  09-23 09:29:41.525: E/Home(31343):       handler_name    : VideoHandle
  
  09-23 09:29:41.525: E/Home(31343):     Side data:
  
  09-23 09:29:41.525: E/Home(31343):       displaymatrix: rotation of -90.00 degrees
  
  09-23 09:29:41.525: E/Home(31343):     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 128 kb/s (default)
  
  09-23 09:29:41.525: E/Home(31343):     Metadata:
  
  09-23 09:29:41.525: E/Home(31343):       creation_time   : 2015-09-23 03:50:16
  
  09-23 09:29:41.525: E/Home(31343):       handler_name    : SoundHandle
  
  09-23 09:29:41.525: E/Home(31343): [NULL @ 0x41f7f420] Unable to find a suitable output format for 'ffmpeg'
  
  09-23 09:29:41.525: E/Home(31343): ffmpeg: Invalid argument

• Unable to install ffmpeg on CircleCi Ubuntu 14.04

  28 juillet 2017, par Mateusz Urbański

  I have Ruby on Rails project which uses CircleCI for continuous deployment. I’m trying to install ffmpeg because I need this to make all of my specs green. Unfortunately I’m not able to do that. I’ve read a lot of different topics but I didn’t find any solution for that. Currently I’m installing ffmpeg in the following way :

  cd ~/ffmpeg_sources
  
  wget http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
  
  tar xjvf ffmpeg-snapshot.tar.bz2
  
  cd ffmpeg
  
  PATH="$PATH:$HOME/bin" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure \
  
    --prefix="$HOME/ffmpeg_build" \
  
    --extra-cflags="-I$HOME/ffmpeg_build/include" \
  
    --extra-ldflags="-L$HOME/ffmpeg_build/lib" \
  
    --bindir="$HOME/bin" \
  
    --extra-libs="-ldl" \
  
    --enable-gpl \
  
    --enable-libass \
  
    --enable-libfdk-aac \
  
    --enable-libfreetype \
  
    --enable-libmp3lame \
  
    --enable-libopus \
  
    --enable-libtheora \
  
    --enable-libvorbis \
  
    --enable-libvpx \
  
    --enable-libx264 \
  
    --enable-nonfree \
  
    --enable-x11grab
  
  PATH="$PATH:$HOME/bin" make
  
  sudo make install
  
  sudo make distclean
  
  hash -r

  I didn’t see any errors in the console but when I run my specs some of them failing because of missing ffmpeg library. How can I solve this problem ?

• how to build ffmpeg with librist ?

  9 janvier 2023, par SleepingBug

  how to build ffmpeg with librist ?

  


  I cannot find any useful thing to do it.

  


  I run a sh file in minGW on Windows as below :

  


  `./configure\
 --prefix=/home/source/ffmpeg/build/ffmepg-5.1\
 --arch=x86_64\
 --enable-shared\
 --enable-gpl\
 --enable-libfdk-aac\
 --enable-nonfree\
 --enable-libvpx\
 --enable-libx264\
 --enable-libx265\
 --enable-libmp3lame\
 --enable-librist\
 --extra-cflags="-I/home/source/build/libfdk-aac/include"\
 --extra-ldflags="-L/home/source/build/libfdk-aac/lib"\
 --extra-cflags="-I/home/source/build/libvpx/include"\
 --extra-ldflags="-L/home/source/build/libvpx/lib"\
 --extra-cflags="-I/home/source/build/libx264/include"\
 --extra-ldflags="-L/home/source/build/libx264/lib"\
 --extra-cflags="-I/home/source/build/libx265/include"\
 --extra-ldflags="-L/home/source/build/libx265/lib"\
 --extra-cflags="-I/home/source/build/libmp3lame/include"\
 --extra-ldflags="-L/home/source/build/libmp3lame/lib"\
 --extra-cflags="-I/home/source/librist/build/include"\
 --extra-cflags="-I/home/source/librist/include/librist"\
 --extra-cflags="-I/home/source/librist/include"\
 --extra-ldflags="-L/home/source/librist/build/"`


  


  the error is :
ERROR : librist >= 0.2.7 not found using pkg-config

  


  If you think configure made a mistake, make sure you are using the latest
version from Git. If the latest version fails, report the problem to the
ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.libera.chat.
Include the log file "ffbuild/config.log" produced by configure as this will help
solve the problem.

  


  ==================

  


  I have downloaded the latest librist source code !

  


  if I remove "—enable-librist" , everything is OK, but there is no librist in ffmpeg...

  


  build ffmpeg with librist