編譯禁用「jack」 和 「crystalhd」 :html
--disable-crystalhd
--disable-indev=jacklinux
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http://blog.chinaunix.net/uid-24868917-id-120539.htmlredis
在控制檯輸入以下命令可看到 ffmpeg 詳細的編譯選項。 [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 ------------------------------------------------------------------------------ 這幾個參數重要,決定了ffmpeg編譯出來的文件放在系統的什麼地方。 --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] ------------------------------------------------------------------------------ 這些文ffmpeg目錄下的文件 --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 這個選項 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支持的外部解碼庫。ffmpeg爲咱們保留了這些解碼庫的swap(空殼子)。 當ffmpeg要支持這些文件格式時,那個這些解碼庫需咱們手動的添加。固然ffmpeg也爲咱們自帶 了 avi 這種常見視頻格式的解碼庫,這樣就不須要咱們手動添加了。 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爲新一代H.264標準的編解碼器,它與2003年發佈。在同行中編解碼的效率是但是至關之高 。 質量可超 rmvb。 2011年又宣佈支持藍光編解碼,可謂至關給力。 --enable-libx264 enable H.264 encoding via x264 [no] --enable-libxavs enable AVS encoding via xavs [no] xvid 爲老一代的編解碼器。 --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. ----------------------------------------------------------------------------------- 如下翻譯來自網絡,ffmpeg的版本未知,放在一塊兒只是爲了參考下。 [root@web ffmpeg]# ./configure --help Usage: configure [options] Options: [defaults in brackets after descriptions] Standard options: 基本選項參數 --help 顯示此幫助信息|print this message --log[=FILE|yes|no] 記錄測試並輸出到config.err文件|log tests and output to FILE [config.err] --prefix=PREFIX 安裝程序到指定目錄(默認/usr/local)|install in PREFIX [/usr/local] --libdir=DIR 安裝庫到指定目錄(默認prefix/lib)|install libs in DIR [PREFIX/lib] --shlibdir=DIR 指定共享庫路徑(默認prefix/lib)|install shared libs in DIR [PREFIX/lib] --incdir=DIR 指定includes路徑(默認prefix/include/ffmpeg)|install includes in DIR[PREFIX/include/ffmpeg] --mandir=DIR 指定man page路徑(默認prefix/man)install man page in DIR [PREFIX/man] --enable-mp3lame 啓用mp3編碼libmp3lame(默認關閉)enable MP3 encoding via libmp3lame[default=no] --enable-libogg 啓用ogg支持libogg(默認關閉)enable Ogg support via libogg [default=no] --enable-vorbis 啓用Vorbis支持libvorbis(默認關閉)enable Vorbis support via libvorbis [default=no] --enable-faad 啓用faad支持libfaad(默認關閉)enable FAAD support via libfaad [default=no] --enable-faadbin 啓用faad運行時連接支持(默認關閉)build FAAD support with runtime linking[default=no] --enable-faac 啓用faac支持libfaac(默認關閉)enable FAAC support via libfaac [default=no] --enable-libgsm 啓用GSM支持libgsm(默認關閉)enable GSM support via libgsm [default=no] --enable-xvid 啓用xvid支持xvidcore(默認關閉)enable XviD support via xvidcore [default=no] --enable-x264 啓用H.264編碼(默認關閉)enable H.264 encoding via x264 [default=no] --enable-mingw32 啓用MinGW本地/交叉win環境編譯|enable MinGW native/cross Windows compile --enable-mingwce 啓用MinGW本地/交叉winCE環境編譯enable MinGW native/cross WinCE compile --enable-a52 啓用A52支持(默認關閉)enable GPLed A52 support [default=no] --enable-a52bin 啓用運行時打開liba52.so.0(默認關閉)open liba52.so.0 at runtime [default=no] --enable-dts 啓用DTS支持(默認關閉)enable GPLed DTS support [default=no] --enable-pp 啓用後加工支持(默認關閉)enable GPLed postprocessing support [default=no] --enable-static 構建靜態庫(默認啓用)build static libraries [default=yes] --disable-static 禁止構建靜態庫(默認關閉)do not build static libraries [default=no] --enable-shared 構建共享庫(默認關閉)build shared libraries [default=no] --disable-shared 禁止構建共享庫(默認啓用)do not build shared libraries [default=yes] --enable-amr_nb 啓用amr_nb float音頻編解碼器|enable amr_nb float audio codec --enable-amr_nb-fixed 啓用fixed amr_nb codec | use fixed point for amr-nb codec --enable-amr_wb 啓用amr_wb float音頻編解碼器|enable amr_wb float audio codec --enable-amr_if2 啓用amr_wb IF2音頻編解碼器|enable amr_wb IF2 audio codec --enable-sunmlib 啓用Sun medialib(默認關閉) | use Sun medialib [default=no] --enable-pthreads 啓用pthreads(多線程)(默認關閉)use pthreads [default=no] --enable-dc1394 啓用libdc139四、libraw1394抓取IIDC-1394(默認關閉)enable IIDC-1394 grabbing using libdc1394 and libraw1394 [default=no] --enable-swscaler 啓用計數器支持?(默認關閉)software scaler support [default=no] --enable-avisynth 容許讀取AVISynth腳本本件(默認關閉)allow reading AVISynth script files [default=no] --enable-gpl 容許使用GPL(默認關閉)allow use of GPL code, the resulting libav* and ffmpeg will be under GPL [default=no] Advanced options (experts only): 高級選項參數(供專業人員使用) --source-path=PATH 源碼的路徑(當前爲/root/flv/ffmpeg)| path to source code [/root/flv/ffmpeg] --cross-prefix=PREFIX 爲編譯工具指定路徑 | use PREFIX for compilation tools [] --cross-compile 假定使用了交叉編譯 | assume a cross-compiler is used --cc=CC 指定使用何種C編譯器(默認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(默認-Wl,--as-needed)| add ELDFLAGS to LDFLAGS [ -Wl,--as-needed] --extra-libs=ELIBS 添加ELIBS | add ELIBS [] --build-suffix=SUFFIX 爲專用程序添加後綴 | suffix for application specific build [] --arch=ARCH 選擇機器架構(默認x86)select architecture [x86] --cpu=CPU 選用最低的cpu(影響指令的選擇,能夠在老CPU上出錯) | selects the minimum cpu required (affects instruction selection, may crash on older CPUs) --powerpc-perf-enable 啓用PPC上面的性能報告(須要啓用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音頻支持(默認啓用)disable OSS audio support [default=no] --disable-audio-beos 禁用BeOS音頻支持(默認啓用)disable BeOS audio support [default=no] --disable-v4l 禁用video4linux提取(默認啓用)disable video4linux grabbing [default=no] --disable-v4l2 禁用video4linux2提取(默認啓用)disable video4linux2 grabbing [default=no] --disable-bktr 禁用bktr視頻提取(默認啓用)disable bktr video grabbing [default=no] --disable-dv1394 禁用DV1394提取(默認啓用)disable DV1394 grabbing [default=no] --disable-network 禁用網絡支持(默認支持)disable network support [default=no] --disable-ipv6 禁用ipv6支持(默認支持)disable ipv6 support [default=no] --disable-zlib 禁用zlib(默認支持)disable zlib [default=no] --disable-simple_idct 禁用simple IDCT例程(默認啓用)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 禁用調試符號 | disable debugging symbols --disable-opts 禁用編譯器最優化 | disable compiler optimizations --disable-mpegaudio-hp 啓用更快的解碼MPEG音頻(但精確度較低)(默認禁用)faster (but less accurate) MPEG audio decoding [default=no] --disable-protocols 禁用 I/O 協議支持(默認啓用)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 啓用優化文件尺寸大小(犧牲速度)optimize for size instead of speed --enable-memalign-hack 啓用模擬內存排列,由內存調試器干涉? | emulate memalign, interferes with memory debuggers --disable-strip 禁用剝離可執行程序和共享庫 | disable stripping of executables and shared libraries --disable-encoder=NAME 禁用XX編碼器 | disables encoder NAME --enable-encoder=NAME 啓用XX編碼器 | enables encoder NAME --disable-decoder=NAME 禁用XX解碼器 | disables decoder NAME --enable-decoder=NAME 啓用XX解碼器 | enables decoder NAME --disable-encoders 禁用全部編碼器 | disables all encoders --disable-decoders 禁用全部解碼器 | disables all decoders --disable-muxer=NAME 禁用XX混音器 | disables muxer NAME --enable-muxer=NAME 啓用XX混音器 | enables muxer NAME --disable-muxers 禁用全部混音器 | disables all muxers --disable-demuxer=NAME 禁用XX解軌器 | disables demuxer NAME --enable-demuxer=NAME 啓用XX解軌器 | enables demuxer NAME --disable-demuxers 禁用全部解軌器 | disables all demuxers --enable-parser=NAME 啓用XX剖析器 | enables parser NAME --disable-parser=NAME 禁用XX剖析器 | disables parser NAME --disable-parsers 禁用全部剖析器 | disables all parsers
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http://blog.csdn.net/pointfish/article/details/7558140網絡
已經測試,能夠解碼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: 打包靜態庫的命令 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: 打包靜態庫出現的BUG 1)若出現重複定義則找到avdecoec的makefile OBJS-$(!CONFIG_SMALL) += inverse.o 編譯時出現的BUG(編DLL時出現,或打包成DLL時也會出現) 1) ff_svq3_add_idct_c等沒法識別,link錯誤 用在h264.c裏#if CONFIG_SVQ3_DECODER和#endif註釋掉這些函數 小弟愚鈍翻譯的很不標準 將就着看吧 --help print this message --logfile=FILE log tests and output to FILE [config.err] //測試和輸出到文件記錄 --disable-logging do not log configure debug information //不要日誌調試的信息 --prefix=PREFIX install in PREFIX [] //安裝在前綴 --bindir=DIR install binaries in DIR [PREFIX/bin] //安裝2進制文件 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg] //安裝數據文件目錄 --libdir=DIR install libs in DIR [PREFIX/lib] //安裝lib文件目錄 --shlibdir=DIR install shared libs in DIR [PREFIX/lib] //安裝分享lib在目錄 --incdir=DIR install includes in DIR [PREFIX/include] //安裝include在目錄 --mandir=DIR install man page in DIR [PREFIX/share/man] //安裝手頁冊到目錄 Configuration options: --disable-static do not build static libraries [no] //不創建靜態庫 --enable-shared build shared libraries [no] // 創建共享庫 --enable-gpl allow use of GPL code, the resulting libs //容許GPL代碼 生成在lib 和2進制文件 and binaries will be under GPL [no] --enable-nonfree allow use of nonfree code, the resulting libs //容許nonfree代碼生成lib 和2進制文件 and binaries will be unredistributable [no] --disable-ffmpeg disable ffmpeg build //取消創建ffmpeg --disable-ffplay disable ffplay build // --disable-ffserver disable ffserver build // --enable-postproc enable GPLed postprocessing support [no] //使GPled後置處理支持 --enable-avfilter video filter support [no] //視頻過濾支持 --enable-avfilter-lavf video filters dependent on avformat [no] //依賴avformat過濾器 --enable-beosthreads use BeOS threads [no] //使用BeOS線程 --enable-os2threads use OS/2 threads [no] //使用OS/2線程 --enable-pthreads use pthreads [no] //pthreads --enable-w32threads use Win32 threads [no] //win32 --enable-x11grab enable X11 grabbing [no] //使用X11奪走 --disable-network disable network support [no] //禁用網絡支持 --disable-ipv6 disable IPv6 support [no] //禁用ipv6支持 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no] //快(但不許確)的音頻解碼 --enable-gray enable full grayscale support (slower color) //使全灰度支持(慢,顏色) --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 //優化尺寸代替速度 --disable-aandct disable AAN DCT code //禁用AAN dct編碼 --disable-fft disable FFT code //禁用FFT代碼 --disable-golomb disable Golomb code //禁用Golomb代碼 --disable-mdct disable MDCT code //取消MDCT代碼 --disable-rdft disable RDFT code //取消RDFT代碼 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary) //檢測cpu的能力在運行時(更大的2進制) --enable-hardcoded-tables use hardcoded tables instead of runtime generation //使用編碼表替換運行時產生 --enable-memalign-hack emulate memalign, interferes with memory debuggers //模仿memalign影響記憶的調試器 --enable-beos-netserver enable BeOS netserver //使用beos netserver --disable-encoder=NAME disable encoder NAME //禁用編碼器的名字 --enable-encoder=NAME enable encoder NAME //使用編碼器的名字 --disable-encoders disable all encoders //禁用全部編碼器 --disable-decoder=NAME disable decoder NAME //禁用解碼器的名字 --enable-decoder=NAME enable decoder NAME //使用解碼器的名字 --disable-decoders disable all decoders //禁用全部解碼器的名字 --disable-hwaccel=NAME disable hwaccel NAME //禁用hwaccel名字 --enable-hwaccel=NAME enable hwaccel NAME //啓用hwaccel名字 --disable-hwaccels disable all hwaccels //禁用全部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 //設置數據流過濾器名字 --disable-bsf=NAME disable bitstream filter NAME //禁用數據過濾器名字 --disable-bsfs disable all bitstream filters //禁用全部數據過濾器名字 --enable-protocol=NAME enable protocol NAME //設置協議的名字 --disable-protocol=NAME disable protocol NAME --disable-protocols disable all protocols --disable-indevs disable input devices //禁用輸入設備 --disable-outdevs disable output devices //禁用輸出設備 --disable-devices disable all devices //禁用說有輸入設備 --enable-filter=NAME enable filter NAME //使用過濾器名稱 --disable-filter=NAME disable filter NAME //禁用過濾器名稱 --disable-filters disable all filters //禁用全部過濾器 --list-decoders show all available decoders //顯示全部可用的解碼器 --list-encoders show all available encoders //顯示全部可用的編碼器 --list-hwaccels show all available hardware accelerators //顯示全部可用的硬件加速器 --list-muxers show all available muxers --list-demuxers show all available demuxers --list-parsers show all available parsers //顯示全部的解析器 --list-protocols show all available protocols //顯示全部可用的協議 --list-bsfs show all available bitstream filters //顯示全部可用的數據過濾器 --list-indevs show all available input devices //顯示全部可用的輸入設備 --list-outdevs show all available output devices //顯示全部可用的輸出設備 --list-filters show all available filters //顯示全部可用的過濾器 External library support: 外部庫的支持 --enable-avisynth enable reading of AVISynth script files [no] //使閱讀AVISYnth腳本文件 --enable-bzlib enable bzlib [autodetect] //設置bzuilb(自動檢測) --enable-libamr-nb enable libamr-nb floating point audio codec [no] //設置libamr-nb浮點音頻解碼 --enable-libamr-wb enable libamr-wb floating point audio codec [no] //設置libamr-wb浮點音頻解碼 --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):高級的選項 --source-path=PATH path to source code [/root/ffmpeg-r18656-iphone] //源代碼路徑 --cross-prefix=PREFIX use PREFIX for compilation tools [] //做爲編譯工具使用的前綴 --enable-cross-compile assume a cross-compiler is used //假設交叉編譯的使用 --sysroot=PATH root of cross-build tree // --sysinclude=PATH location of cross-build system headers //cross—build系統位置的標題 --target-os=OS compiler targets OS [linux] // --target-exec=CMD command to run executables on target //編譯器目標OS(linux) --target-path=DIR path to view of build directory on target //創建目錄的路徑來查看目標上 --nm=NM use nm tool //使用um工具 --as=AS use assembler AS [] //使用匯編語言AS --cc=CC use C compiler CC [gcc] //用c編譯器cc --host-cc=HOSTCC use host C compiler HOSTCC // 使用主機C編譯器hostcc --host-cflags=HCFLAGS use HCFLAGS when compiling for host // --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host //當連接主機的時候使用libs庫 --host-libs=HLIBS use libs HLIBS when linking for host //lib時使用HLIBS主機連接 --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 [] //版本字符串後綴 --build-suffix=SUFFIX library name suffix [] //庫名字後綴 --arch=ARCH select architecture [i686] //選擇建築 --cpu=CPU select the minimum required CPU (affects ////選擇最低須要cpu(影響指令的選擇可能墜毀在更老的cpu) instruction selection, may crash on older CPUs) --enable-powerpc-perf enable performance report on PPC //設置績效報告的ppc(須要使用pmc) (requires enabling PMC) --disable-altivec disable AltiVec optimizations //禁用Altivec優化 --disable-amd3dnow disable 3DNow! optimizations //禁用3DNOW優化 --disable-amd3dnowext disable 3DNow! extended optimizations //禁用3DNOW擴展優化 --disable-mmx disable MMX optimizations //禁用MMX優化 --disable-mmx2 disable MMX2 optimizations //禁用MMX2優化 --disable-sse disable SSE optimizations //禁用SSE優化 --disable-ssse3 disable SSSE3 optimizations //禁用SSSE3優化 --disable-armv5te disable armv5te optimizations //禁用armv5te優化 --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傷殘彙編 Developer options (useful when working on FFmpeg itself): 開發者選項 當工做在FFmpeg自己的時候有用 --disable-debug disable debugging symbols //禁止調試符號 --enable-debug=LEVEL set the debug level [] //設置調試等級 --enable-gprof enable profiling with gprof [] //設置剖析和性能分析 --disable-optimizations disable compiler optimizations //禁用編譯器優化選項 --enable-extra-warnings enable more compiler warnings //使更多的編譯器選項 --disable-stripping disable stripping of executables and shared libraries //禁用剝奪可執行文件和共享庫 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發射
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