--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-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
Developer options (useful when working on FFmpeg itself):
--disable-debug disable debugging symbols
EOF
}
+check_mathfunc(){
+ log check_mathfunc "$@"
+ func=$1
+ shift
+ disable $func
+ check_ld "$@" <<EOF && enable $func
+#include <math.h>
+float foo(float f) { return $func(f); }
+int main(void){ return 0; }
+EOF
+}
+
check_func_headers(){
log check_func_headers "$@"
headers=$1
fastdiv
ffmpeg
ffplay
+ ffprobe
ffserver
fft
golomb
runtime_cpudetect
shared
small
+ sram
static
swscale
swscale_alpha
sh4
sparc
sparc64
+ tomi
x86
x86_32
x86_64
alsa_asoundlib_h
altivec_h
arpa_inet_h
+ attribute_may_alias
attribute_packed
bswap
closesocket
libdc1394_1
libdc1394_2
llrint
+ local_aligned_16
+ local_aligned_8
log2
log2f
loongson
socklen_t
soundcard_h
poll_h
+ setrlimit
struct_addrinfo
struct_ipv6_mreq
struct_sockaddr_in6
host_os
ld
logfile
+ malloc_prefix
nm
source_path
+ strip
sysinclude
sysroot
target_exec
need_memalign="altivec neon sse"
inline_asm_deps="!tms470"
+# subsystems
+mdct_select="fft"
+rdft_select="fft"
+
# decoders / encoders / hardware accelerators
-aac_decoder_select="fft mdct aac_parser"
-aac_encoder_select="fft mdct"
-ac3_decoder_select="fft mdct ac3_parser"
+aac_decoder_select="mdct aac_parser"
+aac_encoder_select="mdct"
+ac3_decoder_select="mdct ac3_parser"
alac_encoder_select="lpc"
-atrac3_decoder_select="fft mdct"
+atrac1_decoder_select="mdct"
+atrac3_decoder_select="mdct"
+binkaudio_dct_decoder_select="mdct rdft dct"
+binkaudio_rdft_decoder_select="mdct rdft"
cavs_decoder_select="golomb"
-cook_decoder_select="fft mdct"
+cook_decoder_select="mdct"
cscd_decoder_suggest="zlib"
-dca_decoder_select="fft mdct"
+dca_decoder_select="mdct"
dnxhd_encoder_select="aandct"
dxa_decoder_select="zlib"
eac3_decoder_select="ac3_decoder"
msmpeg4v2_encoder_select="h263_encoder"
msmpeg4v3_decoder_select="h263_decoder"
msmpeg4v3_encoder_select="h263_encoder"
-nellymoser_decoder_select="fft mdct"
-nellymoser_encoder_select="fft mdct"
+nellymoser_decoder_select="mdct"
+nellymoser_encoder_select="mdct"
png_decoder_select="zlib"
png_encoder_select="zlib"
-qdm2_decoder_select="fft mdct rdft"
+qdm2_decoder_select="mdct rdft"
rv10_decoder_select="h263_decoder"
rv10_encoder_select="h263_encoder"
rv20_decoder_select="h263_decoder"
tiff_encoder_suggest="zlib"
truehd_decoder_select="mlp_decoder"
tscc_decoder_select="zlib"
+twinvq_decoder_select="mdct"
vc1_decoder_select="h263_decoder"
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
vc1_vdpau_decoder_select="vdpau vc1_decoder"
-vorbis_decoder_select="fft mdct"
-vorbis_encoder_select="fft mdct"
+vorbis_decoder_select="mdct"
+vorbis_encoder_select="mdct"
vp6a_decoder_select="vp6_decoder"
vp6f_decoder_select="vp6_decoder"
-wmav1_decoder_select="fft mdct"
-wmav1_encoder_select="fft mdct"
-wmav2_decoder_select="fft mdct"
-wmav2_encoder_select="fft mdct"
+wmapro_decoder_select="mdct"
+wmav1_decoder_select="mdct"
+wmav1_encoder_select="mdct"
+wmav2_decoder_select="mdct"
+wmav2_encoder_select="mdct"
wmv1_decoder_select="h263_decoder"
wmv1_encoder_select="h263_encoder"
wmv2_decoder_select="h263_decoder"
# programs
ffmpeg_deps="avcodec avformat swscale"
ffplay_deps="avcodec avformat swscale sdl"
+ffplay_select="rdft"
+ffprobe_deps="avcodec avformat"
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
ffserver_extralibs='$ldl'
nm_default="nm"
objformat="elf"
ranlib="ranlib"
-strip="strip"
+strip_default="strip"
yasmexe="yasm"
nm_opts='-g'
# machine
-arch=$(uname -m)
+arch_default=$(uname -m)
cpu="generic"
# OS
-target_os=$(tolower $(uname -s))
-host_os=$target_os
+target_os_default=$(tolower $(uname -s))
+host_os=$target_os_default
# configurable options
enable avcodec
enable fastdiv
enable ffmpeg
enable ffplay
+enable ffprobe
enable ffserver
enable mpegaudio_hp
enable network
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
host_libs='-lm'
-target_path='.'
+target_path='$(CURDIR)'
# gcc stupidly only outputs the basename of targets with -MM, but we need the
# full relative path for objects in subdirectories for non-recursive Make.
test -n "$cross_prefix" && enable cross_compile
+if enabled cross_compile; then
+ test -n "$arch" && test -n "$target_os" ||
+ die "Must specify target arch and OS when cross-compiling"
+fi
+
+set_default arch target_os
+
ar="${cross_prefix}${ar}"
cc_default="${cross_prefix}${cc_default}"
nm_default="${cross_prefix}${nm_default}"
ranlib="${cross_prefix}${ranlib}"
-strip="${cross_prefix}${strip}"
+strip_default="${cross_prefix}${strip_default}"
sysinclude_default="${sysroot}/usr/include"
-set_default cc nm sysinclude
+set_default cc nm strip sysinclude
enabled cross_compile || host_cc_default=$cc
set_default host_cc
: do nothing
elif enabled ppc; then
- case $cpu in
- 601|ppc601|PowerPC601)
+ case $(tolower $cpu) in
+ 601|ppc601|powerpc601)
cpuflags="-mcpu=601"
+ disable altivec
;;
- 603*|ppc603*|PowerPC603*)
+ 603*|ppc603*|powerpc603*)
cpuflags="-mcpu=603"
+ disable altivec
;;
- 604*|ppc604*|PowerPC604*)
+ 604*|ppc604*|powerpc604*)
cpuflags="-mcpu=604"
+ disable altivec
;;
- G3|g3|75*|ppc75*|PowerPC75*)
+ g3|75*|ppc75*|powerpc75*)
cpuflags="-mcpu=750 -mpowerpc-gfxopt"
+ disable altivec
;;
- G4|g4|745*|ppc745*|PowerPC745*)
+ g4|745*|ppc745*|powerpc745*)
cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
;;
- 74*|ppc74*|PowerPC74*)
+ 74*|ppc74*|powerpc74*)
cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
;;
- G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
+ g5|970|ppc970|powerpc970|power4*)
cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
;;
- Cell|CELL|cell)
+ cell)
cpuflags="-mcpu=cell"
enable ldbrx
;;
+ e500v2)
+ cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
+ disable altivec
+ ;;
+ e500)
+ cpuflags="-mcpu=8540 -mhard-float"
+ disable altivec
+ ;;
esac
elif enabled x86; then
{ check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
;;
mingw32*)
- # Adding _WIN32_WINNT=0x0501 makes functions that require
- # XP visible and thus may make it binary incompatible with
- # earlier versions. Set --target-os=mingw32-prexp if this
- # isn't desired.
- test $target_os = "mingw32" && add_cflags -D_WIN32_WINNT=0x0501
if test $target_os = "mingw32ce"; then
disable network
else
;;
gnu)
;;
-
+ none)
+ ;;
*)
die "Unknown OS '$target_os'."
;;
struct { int x; } __attribute__((packed)) x;
EOF
+check_cc <<EOF && enable attribute_may_alias
+union { int x; } __attribute__((may_alias)) x;
+EOF
+
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
elif enabled ppc; then
+ enable local_aligned_8 local_aligned_16
+
check_asm dcbzl '"dcbzl 0, 1"'
check_asm ppc4xx '"maclhw r10, r11, r12"'
check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
elif enabled x86; then
+ enable local_aligned_8 local_aligned_16
+
# check whether EBP is available on x86
# As 'i' is stored on the stack, this program will crash
# if the base pointer is used to access it because the
check_func getrusage
check_func inet_aton $network_extralibs
check_func isatty
-check_func memalign
+check_func ${malloc_prefix}memalign && enable memalign
check_func mkstemp
-check_func posix_memalign
+check_func ${malloc_prefix}posix_memalign && enable posix_memalign
+check_func setrlimit
check_func_headers io.h setmode
check_func_headers lzo/lzo1x.h lzo1x_999_compress
check_func_headers windows.h GetProcessTimes
check_lib math.h sin -lm
check_lib va/va.h vaInitialize -lva
-check_func exp2
-check_func exp2f
-check_func llrint
-check_func log2
-check_func log2f
-check_func lrint
-check_func lrintf
-check_func round
-check_func roundf
-check_func truncf
+check_mathfunc exp2
+check_mathfunc exp2f
+check_mathfunc llrint
+check_mathfunc log2
+check_mathfunc log2f
+check_mathfunc lrint
+check_mathfunc lrintf
+check_mathfunc round
+check_mathfunc roundf
+check_mathfunc truncf
# these are off by default, so fail if requested and not available
enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
-enabled libgsm && require libgsm gsm.h gsm_create -lgsm
+enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
network_extralibs="-lws2" || \
{ check_func_headers winsock2.h closesocket -lws2_32 && \
network_extralibs="-lws2_32"; }
- # getaddrinfo is available if _WIN32_WINNT >= 0x0501 is defined
- check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
check_type ws2tcpip.h socklen_t
check_type ws2tcpip.h "struct addrinfo"
check_type ws2tcpip.h "struct ipv6_mreq"
# 144, 167, 556: -Wno-pointer-sign
# 10006: ignoring unknown option -fno-signed-zeros
# 10156: ignoring option '-W'; no argument required
- check_cflags -wd144,167,556,10006,10156
+ check_cflags -wd144,167,556,1292,10006,10156
# 11030: Warning unknown option --as-needed
# 10156: ignoring option '-export'; no argument required
check_ldflags -wd10156,11030
#define EXTERN_ASM ${extern_prefix}
EOF
+test -n "$malloc_prefix" &&
+ echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
+
if enabled small || disabled optimizations; then
echo "#define av_always_inline" >> $TMPH
fi