ffmpeg编译选项汇总
ffmpeg编译选项汇总
- 在控制台输入如下命令可看到 ffmpeg 详细的编译选项。
- `[root@localhost ffmpeg]# ./configure --help
Usage: configure [options]
Options: [defaults in brackets after descriptions]
Standard options:
–help print this message
–logfile=FILE log tests and output to FILE [config.log]
–disable-logging do not log configure debug information
这几个参数重要，决定了ffmpeg编译出来的文件放在系统的什么地方。
–prefix=PREFIX install in PREFIX []
–bindir=DIR install binaries in DIR [PREFIX/bin]
–datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
–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]
–mandir=DIR install man page in DIR [PREFIX/share/man]
Configuration options:
–disable-static do not build static libraries [no]
–enable-shared build shared libraries [no]
–enable-gpl allow use of GPL code, the resulting libs
and binaries will be under GPL [no]
–enable-version3 upgrade (L)GPL to version 3 [no]
–enable-nonfree allow use of nonfree code, the resulting libs
and binaries will be unredistributable [no]
这些文ffmpeg目录下的文件
–disable-doc do not build documentation
–disable-ffmpeg disable ffmpeg build
–disable-ffplay disable ffplay build
–disable-ffprobe disable ffprobe build
–disable-ffserver disable ffserver build
–disable-avdevice disable libavdevice build
–disable-avcodec disable libavcodec build
–disable-avcore disable libavcore build
–disable-avformat disable libavformat build
–disable-swscale disable libswscale build
–enable-postproc enable GPLed postprocessing support [no]
–disable-avfilter disable video filter support [no]
–disable-pthreads disable pthreads [auto]
–enable-w32threads use Win32 threads [no]
–enable-x11grab enable X11 grabbing [no]
–disable-network disable network support [no]
–disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
–enable-gray enable full grayscale support (slower color)
–disable-swscale-alpha disable alpha channel support in swscale
–disable-fastdiv disable table-based division
–enable-small optimize for size instead of speed
–disable-aandct disable AAN DCT code
–disable-dct disable DCT code
–disable-fft disable FFT code
–disable-golomb disable Golomb code
–disable-huffman disable Huffman code
–disable-lpc disable LPC code
–disable-mdct disable MDCT code
–disable-rdft disable RDFT code
–disable-vaapi disable VAAPI code
–disable-vdpau disable VDPAU code
–disable-dxva2 disable DXVA2 code
–enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
–enable-hardcoded-tables use hardcoded tables instead of runtime generation
–enable-memalign-hack emulate memalign, interferes with memory debuggers
这个选项 牛B 啊！
–disable-everything disable all components listed below
–disable-encoder=NAME disable encoder NAME
–enable-encoder=NAME enable encoder NAME
–disable-encoders disable all encoders
–disable-decoder=NAME disable decoder NAME
–enable-decoder=NAME enable decoder NAME
–disable-decoders disable all decoders
–disable-hwaccel=NAME disable hwaccel NAME
–enable-hwaccel=NAME enable hwaccel NAME
–disable-hwaccels disable all hwaccels
–disable-muxer=NAME disable muxer NAME
–enable-muxer=NAME enable muxer NAME
–disable-muxers disable all muxers
–disable-demuxer=NAME disable demuxer NAME
–enable-demuxer=NAME enable demuxer NAME
–disable-demuxers disable all demuxers
–enable-parser=NAME enable parser NAME
–disable-parser=NAME disable parser NAME
–disable-parsers disable all parsers
–enable-bsf=NAME enable bitstream filter NAME
–disable-bsf=NAME disable bitstream filter NAME
–disable-bsfs disable all bitstream filters
–enable-protocol=NAME enable protocol NAME
–disable-protocol=NAME disable protocol NAME
–disable-protocols disable all protocols
–disable-indev=NAME disable input device NAME
–disable-outdev=NAME disable output device NAME
–disable-indevs disable input devices
–disable-outdevs disable output devices
–disable-devices disable all devices
–enable-filter=NAME enable filter NAME
–disable-filter=NAME disable filter NAME
–disable-filters disable all filters
–list-decoders show all available decoders
–list-encoders show all available encoders
–list-hwaccels show all available hardware accelerators
–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
–list-indevs show all available input devices
–list-outdevs show all available output devices
–list-filters show all available filters
ffmpeg支持的外部解码库。ffmpeg为我们保留了这些解码库的swap(空壳子)。
当ffmpeg要支持这些文件格式时，那个这些解码库需我们手动的添加。当然ffmpeg也为我们自带
了 avi 这种常见视频格式的解码库，这样就不需要我们手动添加了。
External library support:
–enable-avisynth enable reading of AVISynth script files [no]
–enable-bzlib enable bzlib [autodetect]
–enable-frei0r enable frei0r video filtering
–enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
–enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
–enable-libopencv enable video filtering via libopencv [no]
–enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
and libraw1394 [no]
–enable-libdirac enable Dirac support via libdirac [no]
–enable-libfaac enable FAAC support via libfaac [no]
–enable-libgsm enable GSM support via libgsm [no]
–enable-libmp3lame enable MP3 encoding via libmp3lame [no]
–enable-libnut enable NUT (de)muxing via libnut,
native (de)muxer exists [no]
–enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
–enable-librtmp enable RTMP[E] support via librtmp [no]
–enable-libschroedinger enable Dirac support via libschroedinger [no]
–enable-libspeex enable Speex decoding via libspeex [no]
–enable-libtheora enable Theora encoding via libtheora [no]
–enable-libvorbis enable Vorbis encoding via libvorbis,
native implementation exists [no]
–enable-libvpx enable VP8 support via libvpx [no]
x264为新一代H.264标准的编解码器，它与2003年发布。在同行中编解码的效率是可是相当之高 。
质量可超 rmvb。
2011年又宣布支持蓝光编解码，可谓相当给力。
–enable-libx264 enable H.264 encoding via x264 [no]
–enable-libxavs enable AVS encoding via xavs [no]
xvid 为老一代的编解码器。
–enable-libxvid enable Xvid encoding via xvidcore,
native MPEG-4/Xvid encoder exists [no]
–enable-mlib enable Sun medialib [no]
–enable-zlib enable zlib [autodetect]
Advanced options (experts only):
–source-path=PATH path to source code [/opt/friendlyarm/video/ffmpeg]
–cross-prefix=PREFIX use PREFIX for compilation tools []
–enable-cross-compile assume a cross-compiler is used
–sysroot=PATH root of cross-build tree
–sysinclude=PATH location of cross-build system headers
–target-os=OS compiler targets OS []
–target-exec=CMD command to run executables on target
–target-path=DIR path to view of build directory on target
–nm=NM use nm tool
–ar=AR use archive tool AR [ar]
–as=AS use assembler AS []
–cc=CC use C compiler CC [gcc]
–ld=LD use linker LD
–host-cc=HOSTCC use host C compiler HOSTCC
–host-cflags=HCFLAGS use HCFLAGS when compiling for host
–host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
–host-libs=HLIBS use libs HLIBS when linking for host
–extra-cflags=ECFLAGS add ECFLAGS to CFLAGS []
–extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS []
–extra-libs=ELIBS add ELIBS []
–extra-version=STRING version string suffix []
–build-suffix=SUFFIX library name suffix []
–arch=ARCH select architecture []
–cpu=CPU select the minimum required CPU (affects
instruction selection, may crash on older CPUs)
–disable-asm disable all assembler optimizations
–disable-altivec disable AltiVec optimizations
–disable-amd3dnow disable 3DNow! optimizations
–disable-amd3dnowext disable 3DNow! extended optimizations
–disable-mmx disable MMX optimizations
–disable-mmx2 disable MMX2 optimizations
–disable-sse disable SSE optimizations
–disable-ssse3 disable SSSE3 optimizations
–disable-armv5te disable armv5te optimizations
–disable-armv6 disable armv6 optimizations
–disable-armv6t2 disable armv6t2 optimizations
–disable-armvfp disable ARM VFP optimizations
–disable-iwmmxt disable iwmmxt optimizations
–disable-mmi disable MMI optimizations
–disable-neon disable neon optimizations
–disable-vis disable VIS optimizations
–disable-yasm disable use of yasm assembler
–enable-pic build position-independent code
–malloc-prefix=PFX prefix malloc and related names with PFX
–enable-sram allow use of on-chip SRAM
–disable-symver disable symbol versioning
Developer options (useful when working on FFmpeg itself):
–disable-debug disable debugging symbols
–enable-debug=LEVEL set the debug level []
–disable-optimizations disable compiler optimizations
–enable-extra-warnings enable more compiler warnings
–disable-stripping disable stripping of executables and shared libraries
–samples=PATH location of test samples for FATE
NOTE: Object files are built at the place where configure is launched.
以下翻译来自网络，ffmpeg的版本未知，放在一起只是为了参考下。
[root@web ffmpeg]# ./configure --help
Usage: configure [options]
Options: [defaults in brackets after descriptions]
Standard options: 基本选项参数
–help 显示此帮助信息|print this message
–log[=FILE|yes|no] 记录测试并输出到config.err文件|log tests and output to FILE [config.err]
–prefix=PREFIX 安装程序到指定目录（默认/usr/local）|install in PREFIX [/usr/local]
–libdir=DIR 安装库到指定目录（默认prefix/lib）|install libs in DIR [PREFIX/lib]
–shlibdir=DIR 指定共享库路径（默认prefix/lib）|install shared libs in DIR [PREFIX/lib]
–incdir=DIR 指定includes路径（默认prefix/include/ffmpeg）|install includes in DIR[PREFIX/include/ffmpeg]
–mandir=DIR 指定man page路径（默认prefix/man）install man page in DIR [PREFIX/man]
–enable-mp3lame 启用mp3编码libmp3lame（默认关闭）enable MP3 encoding via libmp3lame[default=no]
–enable-libogg 启用ogg支持libogg（默认关闭）enable Ogg support via libogg [default=no]
–enable-vorbis 启用Vorbis支持libvorbis（默认关闭）enable Vorbis support via libvorbis [default=no]
–enable-faad 启用faad支持libfaad（默认关闭）enable FAAD support via libfaad [default=no]
–enable-faadbin 启用faad运行时链接支持（默认关闭）build FAAD support with runtime linking[default=no]
–enable-faac 启用faac支持libfaac（默认关闭）enable FAAC support via libfaac [default=no]
–enable-libgsm 启用GSM支持libgsm（默认关闭）enable GSM support via libgsm [default=no]
–enable-xvid 启用xvid支持xvidcore（默认关闭）enable XviD support via xvidcore [default=no]
–enable-x264 启用H.264编码（默认关闭）enable H.264 encoding via x264 [default=no]
–enable-mingw32 启用MinGW本地/交叉win环境编译|enable MinGW native/cross Windows compile
–enable-mingwce 启用MinGW本地/交叉winCE环境编译enable MinGW native/cross WinCE compile
–enable-a52 启用A52支持（默认关闭）enable GPLed A52 support [default=no]
–enable-a52bin 启用运行时打开liba52.so.0（默认关闭）open liba52.so.0 at runtime [default=no]
–enable-dts 启用DTS支持（默认关闭）enable GPLed DTS support [default=no]
–enable-pp 启用后加工支持（默认关闭）enable GPLed postprocessing support [default=no]
–enable-static 构建静态库（默认启用）build static libraries [default=yes]
–disable-static 禁止构建静态库（默认关闭）do not build static libraries [default=no]
–enable-shared 构建共享库（默认关闭）build shared libraries [default=no]
–disable-shared 禁止构建共享库（默认启用）do not build shared libraries [default=yes]
–enable-amr_nb 启用amr_nb float音频编解码器|enable amr_nb float audio codec
–enable-amr_nb-fixed 启用fixed amr_nb codec | use fixed point for amr-nb codec
–enable-amr_wb 启用amr_wb float音频编解码器|enable amr_wb float audio codec
–enable-amr_if2 启用amr_wb IF2音频编解码器|enable amr_wb IF2 audio codec
–enable-sunmlib 启用Sun medialib（默认关闭） | use Sun medialib [default=no]
–enable-pthreads 启用pthreads（多线程）（默认关闭）use pthreads [default=no]
–enable-dc1394 启用libdc1394、libraw1394抓取IIDC-1394（默认关闭）enable IIDC-1394 grabbing using libdc1394
and
libraw1394 [default=no]
–enable-swscaler 启用计数器支持？（默认关闭）software scaler support [default=no]
–enable-avisynth 允许读取AVISynth脚本本件（默认关闭）allow reading AVISynth script files [default=no]
–enable-gpl 允许使用GPL（默认关闭）allow use of GPL code, the resulting libav* and ffmpeg will be under
GPL
[default=no]
Advanced options (experts only): 高级选项参数（供专业人员使用）
–source-path=PATH 源码的路径（当前为/root/flv/ffmpeg）| path to source code [/root/flv/ffmpeg]
–cross-prefix=PREFIX 为编译工具指定路径 | use PREFIX for compilation tools []
–cross-compile 假定使用了交叉编译 | assume a cross-compiler is used
–cc=CC 指定使用何种C编译器（默认gcc）use C compiler CC [gcc]
–make=MAKE 使用特定的make | use specified make [make]
–extra-cflags=ECFLAGS 添加ECFLAGS到CFLAGS | add ECFLAGS to CFLAGS []
–extra-ldflags=ELDFLAGS 添加ELDFLAGS到LDFLAGS（默认-Wl，–as-needed）| add ELDFLAGS to LDFLAGS [ -Wl,–as-needed]
–extra-libs=ELIBS 添加ELIBS | add ELIBS []
–build-suffix=SUFFIX 为专用程序添加后缀 | suffix for application specific build []
–arch=ARCH 选择机器架构（默认x86）select architecture [x86]
–cpu=CPU 选用最低的cpu（影响指令的选择，可以在老CPU上出错） | selects the minimum cpu required
(affects
instruction selection, may crash on older CPUs)
–powerpc-perf-enable 启用PPC上面的性能报告（需要启用PMC）enable performance report on PPC
(requires enabling PMC)
–disable-mmx 禁用MMX | disable MMX usage
–disable-armv5te 禁用armv5te | disable armv5te usage
–disable-iwmmxt 禁用iwmmxt | disable iwmmxt usage
–disable-altivec 禁用AltiVec | disable AltiVec usage
–disable-audio-oss 禁用OSS音频支持（默认启用）disable OSS audio support [default=no]
–disable-audio-beos 禁用BeOS音频支持（默认启用）disable BeOS audio support [default=no]
–disable-v4l 禁用video4linux提取（默认启用）disable video4linux grabbing [default=no]
–disable-v4l2 禁用video4linux2提取（默认启用）disable video4linux2 grabbing [default=no]
–disable-bktr 禁用bktr视频提取（默认启用）disable bktr video grabbing [default=no]
–disable-dv1394 禁用DV1394提取（默认启用）disable DV1394 grabbing [default=no]
–disable-network 禁用网络支持（默认支持）disable network support [default=no]
–disable-ipv6 禁用ipv6支持（默认支持）disable ipv6 support [default=no]
–disable-zlib 禁用zlib（默认支持）disable zlib [default=no]
–disable-simple_idct 禁用simple IDCT例程（默认启用）disable simple IDCT routines [default=no]
–disable-vhook 禁用video hooking支持 | disable video hooking support
–enable-gprof enable profiling with gprof [no]
–disable-debug 禁用调试符号 | disable debugging symbols
–disable-opts 禁用编译器最优化 | disable compiler optimizations
–disable-mpegaudio-hp 启用更快的解码MPEG音频（但精确度较低）（默认禁用）faster (but less accurate) MPEG audio
decoding
[default=no]
–disable-protocols 禁用 I/O 协议支持（默认启用）disable I/O protocols support [default=no]
–disable-ffserver 禁用生成ffserver | disable ffserver build
–disable-ffplay 禁用生成ffplay | disable ffplay build
–enable-small 启用优化文件尺寸大小（牺牲速度）optimize for size instead of speed
–enable-memalign-hack 启用模拟内存排列，由内存调试器干涉？ | emulate memalign, interferes with memory debuggers
–disable-strip 禁用剥离可执行程序和共享库 | disable stripping of executables and shared libraries
–disable-encoder=NAME 禁用XX编码器 | disables encoder NAME
–enable-encoder=NAME 启用XX编码器 | enables encoder NAME
–disable-decoder=NAME 禁用XX解码器 | disables decoder NAME
–enable-decoder=NAME 启用XX解码器 | enables decoder NAME
–disable-encoders 禁用所有编码器 | disables all encoders
–disable-decoders 禁用所有解码器 | disables all decoders
–disable-muxer=NAME 禁用XX混音器 | disables muxer NAME
–enable-muxer=NAME 启用XX混音器 | enables muxer NAME
–disable-muxers 禁用所有混音器 | disables all muxers
–disable-demuxer=NAME 禁用XX解轨器 | disables demuxer NAME
–enable-demuxer=NAME 启用XX解轨器 | enables demuxer NAME
–disable-demuxers 禁用所有解轨器 | disables all demuxers
–enable-parser=NAME 启用XX剖析器 | enables parser NAME
–disable-parser=NAME 禁用XX剖析器 | disables parser NAME
–disable-parsers 禁用所有剖析器 | disables all parsers`
https://www.cnblogs.com/wainiwann/p/4204230.html方便阅读，粘贴至自己的博客
已经测试，可以解码H264和RTP， LIB和DLL一共2.7M./configure --disable-everything --disable-muxers --disable-avdevice --disable-armv5te --disable-armv6 --disable-armv6t2 --disable-armvfp --disable-zlib --disable-bzlib --disable-debug --disable-ffmpeg --disable-ffserver --disable-ffplay --disable-muxers --disable-filters --disable-devices --disable-encoders --disable-hwaccels --enable-static --enable-memalign-hack --enable-small --enable-decoder=h264 --enable-demuxers --enable-parsers --enable-protocols附1：打包静态库的命令gcc -shared -fPIC -o ffmpeg-0.8.dll -Wl,--whole-archive libswscale.a libavcodec.a libavfilter.a libavutil.a libavformat.a -Wl,--no-whole-archive -lwsock32 -lpthread -lSDL -lvfw32附2：打包静态库出现的BUG1）若出现重复定义则找到avdecoec的makefileOBJS-$(!CONFIG_SMALL) += inverse.o编译时出现的BUG（编DLL时出现，或打包成DLL时也会出现）1) ff_svq3_add_idct_c等无法识别，link错误用在h264.c里#if CONFIG_SVQ3_DECODER和#endif注释掉这些函数小弟愚钝翻译的很不标准 将就着看吧--help print this message--logfile=FILE log tests and output to FILE [config.err] //测试和输出到文件记录--disable-logging do not log configure debug information //不要日志调试的信息--prefix=PREFIX install in PREFIX [] //安装在前缀--bindir=DIR install binaries in DIR [PREFIX/bin] //安装2进制文件--datadir=DIR install data files in DIR [PREFIX/share/ffmpeg] //安装数据文件目录--libdir=DIR install libs in DIR [PREFIX/lib] //安装lib文件目录--shlibdir=DIR install shared libs in DIR [PREFIX/lib] //安装分享lib在目录--incdir=DIR install includes in DIR [PREFIX/include] //安装include在目录--mandir=DIR install man page in DIR [PREFIX/share/man] //安装手页册到目录Configuration options:--disable-static do not build static libraries [no] //不建立静态库--enable-shared build shared libraries [no] // 建立共享库--enable-gpl allow use of GPL code, the resulting libs //允许GPL代码 生成在lib 和2进制文件and binaries will be under GPL [no] --enable-nonfree allow use of nonfree code, the resulting libs //允许nonfree代码生成lib 和2进制文件and binaries will be unredistributable [no]--disable-ffmpeg disable ffmpeg build //取消建立ffmpeg--disable-ffplay disable ffplay build //--disable-ffserver disable ffserver build //--enable-postproc enable GPLed postprocessing support [no] //使GPled后置处理支持 --enable-avfilter video filter support [no] //视频过滤支持--enable-avfilter-lavf video filters dependent on avformat [no] //依赖avformat过滤器--enable-beosthreads use BeOS threads [no] //使用BeOS线程 --enable-os2threads use OS/2 threads [no] //使用OS/2线程--enable-pthreads use pthreads [no] //pthreads--enable-w32threads use Win32 threads [no] //win32--enable-x11grab enable X11 grabbing [no] //使用X11夺走--disable-network disable network support [no] //禁用网络支持 --disable-ipv6 disable IPv6 support [no] //禁用ipv6支持--disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no] //快（但不准确）的音频解码--enable-gray enable full grayscale support (slower color) //使全灰度支持（慢，颜色） --disable-swscale-alpha disable alpha channel support in swscale //使alpha管道在swscale失去支持--disable-fastdiv disable table-based division //禁用table-based的分工--enable-small optimize for size instead of speed //优化尺寸代替速度--disable-aandct disable AAN DCT code //禁用AAN dct编码--disable-fft disable FFT code //禁用FFT代码--disable-golomb disable Golomb code //禁用Golomb代码--disable-mdct disable MDCT code //取消MDCT代码--disable-rdft disable RDFT code //取消RDFT代码--enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary) //检测cpu的能力在运行时（更大的2进制）--enable-hardcoded-tables use hardcoded tables instead of runtime generation //使用编码表替换运行时产生--enable-memalign-hack emulate memalign, interferes with memory debuggers //模仿memalign影响记忆的调试器--enable-beos-netserver enable BeOS netserver //使用beos netserver--disable-encoder=NAME disable encoder NAME //禁用编码器的名字--enable-encoder=NAME enable encoder NAME //使用编码器的名字--disable-encoders disable all encoders //禁用所有编码器--disable-decoder=NAME disable decoder NAME //禁用解码器的名字--enable-decoder=NAME enable decoder NAME //使用解码器的名字--disable-decoders disable all decoders //禁用所有解码器的名字--disable-hwaccel=NAME disable hwaccel NAME //禁用hwaccel名字--enable-hwaccel=NAME enable hwaccel NAME //启用hwaccel名字--disable-hwaccels disable all hwaccels //禁用所有hwaccel --disable-muxer=NAME disable muxer NAME //muxer--enable-muxer=NAME enable muxer NAME--disable-muxers disable all muxers--disable-demuxer=NAME disable demuxer NAME //demuxer--enable-demuxer=NAME enable demuxer NAME--disable-demuxers disable all demuxers--enable-parser=NAME enable parser NAME //解析器--disable-parser=NAME disable parser NAME--disable-parsers disable all parsers--enable-bsf=NAME enable bitstream filter NAME //设置数据流过滤器名字--disable-bsf=NAME disable bitstream filter NAME //禁用数据过滤器名字--disable-bsfs disable all bitstream filters //禁用所有数据过滤器名字--enable-protocol=NAME enable protocol NAME //设置协议的名字--disable-protocol=NAME disable protocol NAME --disable-protocols disable all protocols--disable-indevs disable input devices //禁用输入设备 --disable-outdevs disable output devices //禁用输出设备--disable-devices disable all devices //禁用说有输入设备--enable-filter=NAME enable filter NAME //使用过滤器名称--disable-filter=NAME disable filter NAME //禁用过滤器名称--disable-filters disable all filters //禁用所有过滤器--list-decoders show all available decoders //显示所有可用的解码器--list-encoders show all available encoders //显示所有可用的编码器--list-hwaccels show all available hardware accelerators //显示所有可用的硬件加速器 --list-muxers show all available muxers --list-demuxers show all available demuxers--list-parsers show all available parsers //显示所有的解析器--list-protocols show all available protocols //显示所有可用的协议 --list-bsfs show all available bitstream filters //显示所有可用的数据过滤器 --list-indevs show all available input devices //显示所有可用的输入设备--list-outdevs show all available output devices //显示所有可用的输出设备--list-filters show all available filters //显示所有可用的过滤器External library support: 外部库的支持--enable-avisynth enable reading of AVISynth script files [no] //使阅读AVISYnth脚本文件 --enable-bzlib enable bzlib [autodetect] //设置bzuilb(自动检测)--enable-libamr-nb enable libamr-nb floating point audio codec [no] //设置libamr-nb浮点音频解码--enable-libamr-wb enable libamr-wb floating point audio codec [no] //设置libamr-wb浮点音频解码--enable-libdc1394 enable IIDC-1394 grabbing using libdc1394 and libraw1394 [no]--enable-libdirac enable Dirac support via libdirac [no]--enable-libfaac enable FAAC support via libfaac [no]--enable-libfaad enable FAAD support via libfaad [no]--enable-libfaadbin open libfaad.so.0 at runtime [no]--enable-libgsm enable GSM support via libgsm [no]--enable-libmp3lame enable MP3 encoding via libmp3lame [no]--enable-libnut enable NUT (de)muxing via libnut,native (de)muxer exists [no]--enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]--enable-libschroedinger enable Dirac support via libschroedinger [no]--enable-libspeex enable Speex decoding via libspeex [no]--enable-libtheora enable Theora encoding via libtheora [no]--enable-libvorbis enable Vorbis encoding via libvorbis,native implementation exists [no]--enable-libx264 enable H.264 encoding via x264 [no]--enable-libxvid enable Xvid encoding via xvidcore,native MPEG-4/Xvid encoder exists [no]--enable-mlib enable Sun medialib [no]--enable-zlib enable zlib [autodetect]Advanced options (experts only):高级的选项--source-path=PATH path to source code [/root/ffmpeg-r18656-iphone] //源代码路径--cross-prefix=PREFIX use PREFIX for compilation tools [] //作为编译工具使用的前缀 --enable-cross-compile assume a cross-compiler is used //假设交叉编译的使用 --sysroot=PATH root of cross-build tree //--sysinclude=PATH location of cross-build system headers //cross—build系统位置的标题--target-os=OS compiler targets OS [linux] //--target-exec=CMD command to run executables on target //编译器目标OS（linux）--target-path=DIR path to view of build directory on target //建立目录的路径来查看目标上--nm=NM use nm tool //使用um工具 --as=AS use assembler AS [] //使用汇编语言AS --cc=CC use C compiler CC [gcc] //用c编译器cc --host-cc=HOSTCC use host C compiler HOSTCC // 使用主机C编译器hostcc --host-cflags=HCFLAGS use HCFLAGS when compiling for host //--host-ldflags=HLDFLAGS use HLDFLAGS when linking for host //当链接主机的时候使用libs库 --host-libs=HLIBS use libs HLIBS when linking for host //lib时使用HLIBS主机链接 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [ -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112] --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [] --extra-libs=ELIBS add ELIBS []--extra-version=STRING version string suffix [] //版本字符串后缀--build-suffix=SUFFIX library name suffix [] //库名字后缀 --arch=ARCH select architecture [i686] //选择建筑--cpu=CPU select the minimum required CPU (affects 选择最低需要cpu（影响指令的选择可能坠毁在更老的cpu）instruction selection, may crash on older CPUs) --enable-powerpc-perf enable performance report on PPC //设置绩效报告的ppc（需要使用pmc）(requires enabling PMC)--disable-altivec disable AltiVec optimizations //禁用Altivec优化--disable-amd3dnow disable 3DNow! optimizations //禁用3DNOW优化--disable-amd3dnowext disable 3DNow! extended optimizations //禁用3DNOW扩展优化--disable-mmx disable MMX optimizations //禁用MMX优化--disable-mmx2 disable MMX2 optimizations //禁用MMX2优化--disable-sse disable SSE optimizations //禁用SSE优化--disable-ssse3 disable SSSE3 optimizations //禁用SSSE3优化--disable-armv5te disable armv5te optimizations //禁用armv5te优化--disable-armv6 disable armv6 optimizations //armv6--disable-armv6t2 disable armv6t2 optimizations //armv6t2--disable-armvfp disable ARM VFP optimizations //arm vfp--disable-iwmmxt disable iwmmxt optimizations //iwmmxt--disable-mmi disable MMI optimizations //mmi--disable-neon disable neon optimizations //neon--disable-vis disable VIS optimizations //vis--disable-yasm disable use of yasm assembler //禁用yasm伤残汇编 Developer options (useful when working on FFmpeg itself): 开发者选项 当工作在FFmpeg本身的时候有用--disable-debug disable debugging symbols //禁止调试符号--enable-debug=LEVEL set the debug level [] //设置调试等级--enable-gprof enable profiling with gprof [] //设置剖析和性能分析--disable-optimizations disable compiler optimizations //禁用编译器优化选项--enable-extra-warnings enable more compiler warnings //使更多的编译器选项--disable-stripping disable stripping of executables and shared libraries //禁用剥夺可执行文件和共享库NOTE: Object files are built at the place where configure is launched. //提示 ：不表文件的地方是建在配置发射
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