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Commit 3b327a4b authored by Diego Biurrun's avatar Diego Biurrun
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configure: Restructure help output. 

Break some of the longer sections into smaller sensible pieces;
make some option descriptions and option ordering more consistent.
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......@@ -59,8 +59,21 @@ cat <<EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]
Standard options:
Help options:
--help print this message
--list-decoders show all available decoders
--list-encoders show all available encoders
--list-hwaccels show all available hardware accelerators
--list-demuxers show all available demuxers
--list-muxers show all available muxers
--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
Standard options:
--logfile=FILE log tests and output to FILE [config.log]
--disable-logging do not log configure debug information
--prefix=PREFIX install in PREFIX [$prefix]
......@@ -71,14 +84,22 @@ Standard options:
--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]
Licensing options:
--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]
Configuration options:
--disable-static do not build static libraries [no]
--enable-shared build shared libraries [no]
--enable-small optimize for size instead of speed
--enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
--enable-gray enable full grayscale support (slower color)
--disable-swscale-alpha disable alpha channel support in swscale
Component options:
--disable-doc do not build documentation
--disable-avconv disable avconv build
--disable-avplay disable avplay build
......@@ -93,24 +114,17 @@ Configuration options:
--disable-w32threads disable Win32 threads [auto]
--enable-x11grab enable X11 grabbing [no]
--disable-network disable network support [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-dct disable DCT code
--disable-fft disable FFT code
--disable-mdct disable MDCT code
--disable-rdft disable RDFT code
--disable-fft disable FFT code
--enable-dxva2 enable DXVA2 code
--enable-vaapi enable VAAPI code
--enable-vda enable VDA code
--enable-vdpau enable 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
--disable-safe-bitstream-reader
disable buffer boundary checking in bitreaders
(faster, but may crash)
--enable-memalign-hack emulate memalign, interferes with memory debuggers
Individual component options:
--disable-everything disable all components listed below
--disable-encoder=NAME disable encoder NAME
--enable-encoder=NAME enable encoder NAME
......@@ -136,25 +150,16 @@ Configuration options:
--enable-protocol=NAME enable protocol NAME
--disable-protocol=NAME disable protocol NAME
--disable-protocols disable all protocols
--enable-indev=NAME enable input device NAME
--disable-indev=NAME disable input device NAME
--disable-outdev=NAME disable output device NAME
--disable-indevs disable input devices
--enable-outdev=NAME enable output device NAME
--disable-outdev=NAME disable output device NAME
--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
External library support:
--enable-avisynth enable reading of AVISynth script files [no]
......@@ -213,10 +218,23 @@ Advanced options (experts only):
--extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
--extra-libs=ELIBS add ELIBS [$ELIBS]
--extra-version=STRING version string suffix []
--optflags override optimization-related compiler flags
--build-suffix=SUFFIX library name suffix []
--malloc-prefix=PREFIX prefix malloc and related names with PREFIX
--arch=ARCH select architecture [$arch]
--cpu=CPU select the minimum required CPU (affects
instruction selection, may crash on older CPUs)
--enable-pic build position-independent code
--enable-sram allow use of on-chip SRAM
--disable-symver disable symbol versioning
--disable-fastdiv disable table-based division
--enable-hardcoded-tables use hardcoded tables instead of runtime generation
--disable-safe-bitstream-reader
disable buffer boundary checking in bitreaders
(faster, but may crash)
--enable-memalign-hack emulate memalign, interferes with memory debuggers
Optimization options (experts only):
--disable-asm disable all assembler optimizations
--disable-altivec disable AltiVec optimizations
--disable-amd3dnow disable 3DNow! optimizations
......@@ -234,11 +252,6 @@ Advanced options (experts only):
--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
--optflags override optimization-related compiler flags
Developer options (useful when working on Libav itself):
--disable-debug disable debugging symbols
......
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