[FFmpeg-user] FFmpeg Library

[Steven Liu]

please add your ffmpeg command line output paste here,

for example:
[root at localhost ffmpeg]# ffmpeg
ffmpeg version N-75380-gd36eac6 Copyright (c) 2000-2015 the FFmpeg
developers
  built with gcc 4.8.2 (GCC) 20140120 (Red Hat 4.8.2-16)
  configuration: --enable-libx264 --enable-libfaac --enable-libmp3lame
--enable-gpl --enable-nonfree
  libavutil      55.  2.100 / 55.  2.100
  libavcodec     57.  2.100 / 57.  2.100
  libavformat    57.  2.100 / 57.  2.100
  libavdevice    57.  0.100 / 57.  0.100
  libavfilter     6.  4.100 /  6.  4.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.100 /  2.  0.100
  libpostproc    54.  0.100 / 54.  0.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options]
outfile}...

Use -h to get full help or, even better, run 'man ffmpeg'


2015-09-17 17:09 GMT+08:00 Satinder Singh <satinder at frankly.me>:

> yes , I use above gcc syntax :
>
> gcc -g doc/examples/muxing.c -o muxing  -lavcodec -lavdevice -lavfilter
> -lavformat -lavutil -lswscale -lswresample -lpostproc -lx264 -lmp3lame -lz
> -liconv -lbz2
>
> but again I got maximum errors , Can anybody help me and give proper
> procedure to use ffmpeg API in my C program .
>
> On Thu, Sep 17, 2015 at 2:26 PM, Clément Bœsch <u at pkh.me> wrote:
>
> > On Thu, Sep 17, 2015 at 04:47:48PM +0800, Steven Liu wrote:
> > > You can reference the doc/example file makefile
> > >
> > > gcc -I. -I./ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64
> -D_LARGEFILE_SOURCE
> > > -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DZLIB_CONST -std=c99
> > > -fomit-frame-pointer -pthread   -g -Wdeclaration-after-statement -Wall
> > > -Wdisabled-optimization -Wpointer-arith -Wredundant-decls
> -Wwrite-strings
> > > -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast
> > > -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch
> > > -Wno-format-zero-length -Wno-pointer-sign -O3 -fno-math-errno
> > > -fno-signed-zeros -fno-tree-vectorize -Werror=format-security
> > > -Werror=implicit-function-declaration -Werror=missing-prototypes
> > > -Werror=return-type -Werror=vla -Wformat -fdiagnostics-color=auto
> > > -Wno-maybe-uninitialized    -c -o doc/examples/transcoding.o
> > > doc/examples/transcoding.c
> > >
> > > gcc -Llibavcodec -Llibavdevice -Llibavfilter -Llibavformat
> > -Llibavresample
> > > -Llibavutil -Llibpostproc -Llibswscale -Llibswresample -Wl,--as-needed
> > > -Wl,-z,noexecstack -Wl,--warn-common
> > >
> >
> -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
> > >   -o doc/examples/transcoding_g doc/examples/transcoding.o   -lavdevice
> > > -lavfilter -lavformat -lavcodec -lpostproc -lswresample -lswscale
> > -lavutil
> > > -lXv -lX11 -lXext -lva -lva-x11 -lva -lxcb -lxcb-shm -lxcb -lxcb-xfixes
> > > -lxcb-render -lxcb-shape -lxcb -lxcb-shape -lxcb -lX11 -lx264 -lmp3lame
> > > -lfaac -lm -lz -pthread
> > >
> > >
> > >
> > >
> > > the simple is looks like :
> > > gcc -g doc/examples/muxing.c -o muxing  -lavcodec -lavdevice -lavfilter
> > > -lavformat -lavutil -lswscale -lswresample -lpostproc -lx264 -lmp3lame
> > -lz
> > > -liconv -lbz2
> > >
> >
> > No. You should NEVER explicit the libraries and sub dependency libraries
> > by yourself (because it's build and installation dependent). See how it's
> > done in the Makefile.
> >
> > [...]
> >
> > --
> > Clément B.
> >
> > _______________________________________________
> > ffmpeg-user mailing list
> > ffmpeg-user at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
> >
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