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• ffplay : ensure the decoder is flushed before exiting or looping

  16 juillet 2013, par Marton Balint

  ffplay : ensure the decoder is flushed before exiting or looping
  Also make sure that we only exit or restart the video if it is not paused and
  
  if the picture queue is empty.
  There is still room for improvement (filters may also buffer some frames), but
  
  the patch fixes the most common use cases and ticket #2783 as well.
  Signed-off-by : Marton Balint <cus@passwd.hu>
  

  • [DH] ffplay.c

• Revision 4d3c3be6ba : examples : fix memory leak Free used resources before exiting. Change-Id : If6cd

  14 juillet 2012, par John Koleszar

  Changed Paths : Modify /examples/encoder_tmpl.txt Modify /examples/twopass_encoder.txt examples : fix memory leak Free used resources before exiting. Change-Id : If6cde6541615fbf17bf56ed335b76e676eabba93

• Install ffmpeg-light with cabal

  20 septembre 2016, par WirflBirfl

  I want to install the ffmpeg-light library from hackage via cabal on Windows 10 (64 bit). So I downloaded ffmpeg and extracted it to C :\FFmpeg.

  At first pkg-config was complaining that it could not find various packages. I solved this problem with .pc files.

  When I tried to use the command : cabal install ffmpeg-light cabal complained about missing C-libraries, being exactly those for which I created the .pc files.

  Then I tried the command : cabal install ffmpeg-light --extra-lib-dirs=C:\FFmpeg\lib. Now I have a different error message, which says :

  Enums.hsc:7:32: fatal error: libavcodec/avcodec.h: No such file or directory

  Edit :
  Then I tried the following command :

  cabal install ffmpeg-light --extra-lib-dirs=C:\FFmpeg\lib \
  
                             --extra-include-dirs=C:\FFmpeg\include

  Now first the compiler gives some warnings about deprecated functions in ffmpeg and redundant imports in ffmpeg-light, but compiles 11 of 11. But the build is still not successfull.

  In-place registering ffmpeg-light-0.11.1...
  
  setup-Simple-Cabal-1.22.5.0-x86_64-windows-ghc-7.10.3.exe:
  
  'C:\Haskell\bin\ghc-pkg.exe' exited with an error:
  
  ffmpeg-light-0.11.1: Warning: haddock-interfaces:
  
  C:\Users\HOLEYC~1\AppData\Local\Temp\cabal-tmp-2824\ffmpeg-light-0.11.1\dist\doc\html\ffmpeg-light\ffmpeg-light.haddock
  
  doesn't exist or isn't a file
  
  ffmpeg-light-0.11.1: Warning: haddock-html:
  
  C:\Users\HOLEYC~1\AppData\Local\Temp\cabal-tmp-2824\ffmpeg-light-0.11.1\dist\doc\html\ffmpeg-light
  
  doesn't exist or isn't a directory
  
  ffmpeg-light-0.11.1: library-dirs: C:FFmpeglib is a relative path which makes
  
  no sense (as there is nothing for it to be relative to). You can make paths
  
  relative to the package database itself by using ${pkgroot}. (use --force to
  
  override)
  
  ffmpeg-light-0.11.1: include-dirs: C:FFmpeginclude is a relative path which
  
  makes no sense (as there is nothing for it to be relative to). You can make
  
  paths relative to the package database itself by using ${pkgroot}. (use
  
  --force to override)
  
  cabal: Error: some packages failed to install:
  
  ffmpeg-light-0.11.1 failed during the building phase. The exception was:
  
  ExitFailure 1

  Some additional information :

  cabal version: cabal-install version 1.22.6.0
  
  using version 1.22.5.0 of the Cabal library
  
  gcc version of my installed Haskell platform: 5.2.0

  Example .pc file I used for pkg-config :

  Name: libavcodec
  
  Description: Library for ffmpeg
  
  Version: 57
  
  Cflags: -IC:\FFmpeg\include
  
  Libs: -LC:\FFmpeg\lib -llibavcodec