Ffmpeg編譯詳解

Ffmpeg編譯詳解

針對ffmpeg無論是win還是linux下編譯都會出現很多問題，因此這裡設立編譯選項，力圖構建一個標準化編譯過程，使初學者快速消除對應用ffmpeg的恐懼感，至於其中遇到的問題，則放到下面一個選項FAQ裡

目錄 [隱藏] 1 Linux 1.1 查看configure協助 1.2 選項列表 1.3 開發人員注意選項 1.3.1 make之後會產生以下檔案

[編輯]
Linux

[編輯]
查看configure協助

• cd ffmpeg
• ./configure --help 或著生一個文字檔好以參照./configure --help > ffmpegcfg.txt

[編輯]
選項列表

Usage: configure [options]Options: [defaults in brackets after descriptions]

Standard options:

 --help                   print this message --log[=FILE|yes|no]      log tests and output to FILE [config.err] --prefix=PREFIX          install in PREFIX [/usr/local] --libdir=DIR             install libs in DIR [PREFIX/lib] --shlibdir=DIR           install shared libs in DIR [PREFIX/lib] --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg] --mandir=DIR             install man page in DIR [PREFIX/man] --enable-static          build static libraries [default=yes] --disable-static         do not build static libraries [default=no] --enable-shared          build shared libraries [default=no] --disable-shared         do not build shared libraries [default=yes] --enable-gpl             allow use of GPL code, the resulting libav*                          and ffmpeg will be under GPL [default=no] --enable-pp              enable GPLed postprocessing support [default=no] --enable-swscaler        software scaler support [default=no] --enable-beosthreads     use BeOS threads [default=no] --enable-pthreads        use pthreads [default=no] --enable-w32threads      use Win32 threads [default=no] --enable-x11grab         enable X11 grabbing [default=no]

External library support:

 --enable-sunmlib         use Sun medialib [default=no] --enable-dc1394          enable IIDC-1394 grabbing using libdc1394                          and libraw1394 [default=no] --enable-liba52          enable GPLed liba52 support [default=no] --enable-liba52bin       open liba52.so.0 at runtime [default=no] --enable-avisynth        allow reading AVISynth script files [default=no] --enable-libamr-nb       enable libamr-nb floating point audio codec --enable-libamr-wb       enable libamr-wb floating point audio codec --enable-libfaac         enable FAAC support via libfaac [default=no] --enable-libfaad         enable FAAD support via libfaad [default=no] --enable-libfaadbin      open libfaad.so.0 at runtime [default=no] --enable-libgsm          enable GSM support via libgsm [default=no] --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no] --enable-libnut          enable NUT (de)muxing via libnut,                          native demuxer exists [default=no] --enable-libogg          enable Ogg muxing via libogg [default=no] --enable-libtheora       enable Theora encoding via libtheora [default=no] --enable-libvorbis       enable Vorbis en/decoding via libvorbis,                          native implementations exist [default=no] --enable-libx264         enable H.264 encoding via x264 [default=no] --enable-libxvid         enable Xvid encoding via xvidcore,                          native MPEG-4/Xvid encoder exists [default=no]

Advanced options (experts only):

 --source-path=PATH       path to source code [/root/ffmpeg] --cross-prefix=PREFIX    use PREFIX for compilation tools [] --cross-compile          assume a cross-compiler is used --target-os=OS           compiler targets OS [linux] --cc=CC                  use C compiler CC [gcc] --make=MAKE              use specified make [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 [] --arch=ARCH              select architecture  [i686] --cpu=CPU                selects the minimum cpu required (affects                          instruction selection, may crash on older CPUs) --enable-powerpc-perf    enable performance report on PPC                          (requires enabling PMC) --disable-mmx            disable MMX usage --disable-armv5te        disable armv5te usage --disable-armv6          disable armv6 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-v4l2           disable video4linux2 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-ipv6           disable ipv6 support [default=no] --disable-zlib           disable zlib [default=no] --disable-vhook          disable video hooking support --disable-debug          disable debugging symbols --disable-mpegaudio-hp   faster (but less accurate)                          MPEG audio decoding [default=no] --disable-ffmpeg         disable ffmpeg build --disable-ffserver       disable ffserver build --disable-ffplay         disable ffplay build --enable-small           optimize for size instead of speed --enable-memalign-hack   emulate memalign, interferes with memory debuggers --disable-encoder=NAME   disables encoder NAME --enable-encoder=NAME    enables encoder NAME --disable-decoder=NAME   disables decoder NAME --enable-decoder=NAME    enables decoder NAME --disable-encoders       disables all encoders --disable-decoders       disables all decoders --disable-muxer=NAME     disables muxer NAME --enable-muxer=NAME      enables muxer NAME --disable-muxers         disables all muxers --disable-demuxer=NAME   disables demuxer NAME --enable-demuxer=NAME    enables demuxer NAME --disable-demuxers       disables all demuxers --enable-parser=NAME     enables parser NAME --disable-parser=NAME    disables parser NAME --disable-parsers        disables all parsers --enable-bsf=NAME        enables bitstream filter NAME --disable-bsf=NAME       disables bitstream filter NAME --disable-bsfs           disables all bitstream filters --enable-protocol=NAME   enables protocol NAME --disable-protocol=NAME  disables protocol NAME --disable-protocols      disables all protocols --list-decoders          show all available decoders --list-encoders          show all available encoders --list-muxers            show all available muxers --list-demuxers          show all available demuxers --list-parsers           show all available parsers --list-protocols         show all available protocols --list-bsfs              show all available bitstream filters

Developer options (useful when working on FFmpeg itself):

 --enable-gprof           enable profiling with gprof [] --disable-opts           disable compiler optimizations --enable-extra-warnings  enable more compiler warnings --disable-strip          disable stripping of executables and shared libraries

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

[編輯]
開發人員注意選項

[編輯]
make之後會產生以下檔案

• ffmpeg, ffplay, ffserver(不帶調試資訊)
• ffmpeg_g, ffplay_g(帶調試資訊)
  • xxx_g檔案可以用gdb(ddd)來調試
  • 具體我也不是很清楚,以前我經常用ffplay來調試,我另加了configer選項,現在忘了.請知道者補充.