ffmpeg_configure

Usage: configure [options]

Options: [defaults in brackets after descriptions] 缺省在描述后的括号里

Standard options:

  --help                   print this message

  --prefix=PREFIX          install in PREFIX []

  --libdir=DIR             install libs in DIR [PREFIX/lib]

  --mandir=DIR             install man page in DIR [PREFIX/man]

在DIR安装手册页

  --enable-mp3lame         enable MP3 encoding via libmp3lame [default=no]

  --enable-libogg          enable Ogg support via libogg [default=no]

--enable-vorbis enable Vorbis support via libvorbis [default=no]

  --enable-theora          enable Theora support via libtheora [default=no]

  --enable-faad            enable FAAD support via libfaad [default=no]

  --enable-faadbin         build FAAD support with runtime linking [default=no]

  --enable-faac            enable FAAC support via libfaac [default=no]

  --enable-libgsm          enable GSM support via libgsm [default=no]

  --enable-xvid            enable XviD support via xvidcore [default=no]

  --enable-x264            enable H.264 encoding via x264 [default=no]

  --enable-mingw32         enable MinGW native/cross Windows compile

  --enable-a52             enable GPLed A52 support [default=no]

  --enable-a52bin          open liba52.so.0 at runtime [default=no]

  --enable-dts             enable GPLed DTS support [default=no]

--enable-pp enable GPLed postprocessing support [default=no]

  --enable-shared-pp       use libpostproc.so [default=no]

  --enable-shared          build shared libraries [default=no]

  --enable-amr_nb          enable amr_nb float audio codec

  --enable-amr_nb-fixed    use fixed point for amr-nb codec

  --enable-amr_wb          enable amr_wb float audio codec

  --enable-amr_if2         enable amr_wb IF2 audio codec

  --enable-sunmlib         use Sun medialib [default=no]

  --enable-pthreads        use pthreads [default=no]

  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394

                           and libraw1394 [default=no]

  --enable-gpl             allow use of GPL code, the resulting libav*

                           and ffmpeg will be under GPL [default=no]

Advanced options (experts only):

  --source-path=PATH       path to source code []

  --cross-prefix=PREFIX    use PREFIX for compilation tools []使用编译工具前缀

  --cc=CC                  use C compiler CC []

  --make=MAKE              use specified make []

  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS []

  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS []

  --extra-libs=ELIBS       add ELIBS []

  --build-suffix=SUFFIX    suffix for application specific build []

  --cpu=CPU                force cpu to CPU  []

  --tune=CPU               tune code for a particular CPU

                           (may fail or perform badly on other CPUs)

  --powerpc-perf-enable    enable performance report on PPC

                           (requires enabling PMC)

  --disable-mmx            disable MMX usage

  --disable-iwmmxt         disable iwmmxt usage

  --disable-altivec        disable AltiVec usage

  --disable-audio-oss      disable OSS audio support [default=no]

  --disable-audio-beos     disable BeOS audio support [default=no]

  --disable-v4l            disable video4linux grabbing [default=no]

  --disable-bktr           disable bktr video grabbing [default=no]

  --disable-dv1394         disable DV1394 grabbing [default=no]

  --disable-network        disable network support [default=no]

  --disable-zlib           disable zlib [default=no]

  --disable-simple_idct    disable simple IDCT routines [default=no]

  --disable-vhook          disable video hooking support

  --enable-gprof           enable profiling with gprof []

  --disable-debug          disable debugging symbols

  --disable-opts           disable compiler optimizations

  --disable-mpegaudio-hp   faster (but less accurate)

                           MPEG audio decoding [default=no]

  --disable-ffserver       disable ffserver build

  --disable-ffplay         disable ffplay build

  --enable-small           optimize for size instead of speed

优化速度而不是大小

--enable-memalign-hack emulate memalign, interferes with memory debuggers

  --disable-strip          disable stripping of executables and shared libraries

  --enable-codec=CODEC     enables CODEC

  --disable-codec=CODEC    disables CODEC

  --disable-encoders       disables all encoders

  --disable-decoders       disables all decoders

  --disable-muxers         disables all muxer s

  --disable-demuxers       disables all demuxers

NOTE: Object files are built at the place where configure is launched.

目标文件是建立在配置启动的配置的地方。