#!/bin/sh # # FFmpeg configure script # # Copyright (c) 2000-2002 Fabrice Bellard # Copyright (c) 2005-2008 Diego Biurrun # Copyright (c) 2005-2008 Mans Rullgard # # Prevent locale nonsense from breaking basic text processing. LC_ALL=C export LC_ALL # make sure we are running under a compatible shell # try to make this part work with most shells try_exec(){ echo "Trying shell $1" type "$1" > /dev/null 2>&1 && exec "$@" } unset foo (: ${foo%%bar}) 2> /dev/null E1="$?" (: ${foo?}) 2> /dev/null E2="$?" if test "$E1" != 0 || test "$E2" = 0; then echo "Broken shell detected. Trying alternatives." export FF_CONF_EXEC if test "0$FF_CONF_EXEC" -lt 1; then FF_CONF_EXEC=1 try_exec bash "$0" "$@" fi if test "0$FF_CONF_EXEC" -lt 2; then FF_CONF_EXEC=2 try_exec ksh "$0" "$@" fi if test "0$FF_CONF_EXEC" -lt 3; then FF_CONF_EXEC=3 try_exec /usr/xpg4/bin/sh "$0" "$@" fi echo "No compatible shell script interpreter found." echo "This configure script requires a POSIX-compatible shell" echo "such as bash or ksh." echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH." echo "Instead, install a working POSIX-compatible shell." echo "Disabling this configure test will create a broken FFmpeg." if test "$BASH_VERSION" = '2.04.0(1)-release'; then echo "This bash version ($BASH_VERSION) is broken on your platform." echo "Upgrade to a later version if available." fi exit 1 fi test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH show_help(){ cat <> $logfile } log_file(){ log BEGIN $1 pr -n -t $1 >> $logfile log END $1 } echolog(){ log "$@" echo "$@" } warn(){ log "WARNING: $*" WARNINGS="${WARNINGS}WARNING: $*\n" } die(){ echolog "$@" cat <>file; } else if (file ~ /\\.asm\$/) { printf(\"%%define %s %d\\n\", c, v) >>file; } else if (file ~ /\\.mak\$/) { n = -v ? \"\" : \"!\"; printf(\"%s%s=yes\\n\", n, c) >>file; } else if (file ~ /\\.texi\$/) { pre = -v ? \"\" : \"@c \"; yesno = \$2; c2 = tolower(c); gsub(/_/, \"-\", c2); printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file; } } }" } print_enabled(){ suf=$1 shift for v; do enabled $v && printf "%s\n" ${v%$suf}; done } append(){ var=$1 shift eval "$var=\"\$$var $*\"" } prepend(){ var=$1 shift eval "$var=\"$* \$$var\"" } unique(){ var=$1 uniq_list="" for tok in $(eval echo \$$var); do uniq_list="$(filter_out $tok $uniq_list) $tok" done eval "$var=\"${uniq_list}\"" } add_cppflags(){ append CPPFLAGS "$@" } add_cflags(){ append CFLAGS $($cflags_filter "$@") } add_cxxflags(){ append CXXFLAGS $($cflags_filter "$@") } add_asflags(){ append ASFLAGS $($asflags_filter "$@") } add_ldflags(){ append LDFLAGS $($ldflags_filter "$@") } add_ldexeflags(){ append LDEXEFLAGS $($ldflags_filter "$@") } add_ldlibflags(){ append LDLIBFLAGS $($ldflags_filter "$@") } add_stripflags(){ append ASMSTRIPFLAGS "$@" } add_extralibs(){ prepend extralibs $($ldflags_filter "$@") } add_host_cppflags(){ append host_cppflags "$@" } add_host_cflags(){ append host_cflags $($host_cflags_filter "$@") } add_host_ldflags(){ append host_ldflags $($host_ldflags_filter "$@") } add_compat(){ append compat_objs $1 shift map 'add_cppflags -D$v' "$@" } check_cmd(){ log "$@" "$@" >> $logfile 2>&1 } check_stat(){ log check_stat "$@" stat "$1" >> $logfile 2>&1 } cc_o(){ eval printf '%s\\n' $CC_O } cc_e(){ eval printf '%s\\n' $CC_E } check_cc(){ log check_cc "$@" cat > $TMPC log_file $TMPC check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC } check_cxx(){ log check_cxx "$@" cat > $TMPCPP log_file $TMPCPP check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP } check_oc(){ log check_oc "$@" cat > $TMPM log_file $TMPM check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM } check_cpp(){ log check_cpp "$@" cat > $TMPC log_file $TMPC check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC } as_o(){ eval printf '%s\\n' $AS_O } check_as(){ log check_as "$@" cat > $TMPS log_file $TMPS check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS } check_inline_asm(){ log check_inline_asm "$@" name="$1" code="$2" shift 2 disable $name check_cc "$@" < $TMPS log_file $TMPS shift 1 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS } ld_o(){ eval printf '%s\\n' $LD_O } check_ld(){ log check_ld "$@" type=$1 shift 1 flags=$(filter_out '-l*|*.so' $@) libs=$(filter '-l*|*.so' $@) check_$type $($cflags_filter $flags) || return flags=$($ldflags_filter $flags) libs=$($ldflags_filter $libs) check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs } print_include(){ hdr=$1 test "${hdr%.h}" = "${hdr}" && echo "#include $hdr" || echo "#include <$hdr>" } check_code(){ log check_code "$@" check=$1 headers=$2 code=$3 shift 3 { for hdr in $headers; do print_include $hdr done echo "int main(void) { $code; return 0; }" } | check_$check "$@" } check_cppflags(){ log check_cppflags "$@" check_cc "$@" < int x; EOF } check_header_oc(){ log check_header_oc "$@" rm -f -- "$TMPO" header=$1 shift disable_safe $header { echo "#include <$header>" echo "int main(void) { return 0; }" } | check_oc && check_stat "$TMPO" && enable_safe $headers } check_func(){ log check_func "$@" func=$1 shift disable $func check_ld "cc" "$@" < float foo(float f, float g) { return $func($args); } int main(void){ return (int) foo; } EOF } check_func_headers(){ log check_func_headers "$@" headers=$1 funcs=$2 shift 2 { for hdr in $headers; do print_include $hdr done for func in $funcs; do echo "long check_$func(void) { return (long) $func; }" done echo "int main(void) { return 0; }" } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers } check_class_headers_cpp(){ log check_class_headers_cpp "$@" headers=$1 classes=$2 shift 2 { for hdr in $headers; do echo "#include <$hdr>" done echo "int main(void) { " i=1 for class in $classes; do echo "$class obj$i;" i=$(expr $i + 1) done echo "return 0; }" } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers } check_cpp_condition(){ log check_cpp_condition "$@" header=$1 condition=$2 shift 2 check_cpp "$@" < #if !($condition) #error "unsatisfied condition: $condition" #endif EOF } check_lib(){ log check_lib "$@" header="$1" func="$2" shift 2 check_header $header && check_func $func "$@" && add_extralibs "$@" } check_lib2(){ log check_lib2 "$@" headers="$1" funcs="$2" shift 2 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@" } check_lib_cpp(){ log check_lib_cpp "$@" headers="$1" classes="$2" shift 2 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@" } check_pkg_config(){ log check_pkg_config "$@" pkgandversion="$1" pkg="${1%% *}" headers="$2" funcs="$3" shift 3 check_cmd $pkg_config --exists --print-errors $pkgandversion || return pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg) pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg) check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" && set_safe "${pkg}_cflags" $pkg_cflags && set_safe "${pkg}_libs" $pkg_libs } check_exec(){ check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; } } check_exec_crash(){ code=$(cat) # exit() is not async signal safe. _Exit (C99) and _exit (POSIX) # are safe but may not be available everywhere. Thus we use # raise(SIGTERM) instead. The check is run in a subshell so we # can redirect the "Terminated" message from the shell. SIGBUS # is not defined by standard C so it is used conditionally. (check_exec "$@") >> $logfile 2>&1 < static void sighandler(int sig){ raise(SIGTERM); } int foo(void){ $code } int (*func_ptr)(void) = foo; int main(void){ signal(SIGILL, sighandler); signal(SIGFPE, sighandler); signal(SIGSEGV, sighandler); #ifdef SIGBUS signal(SIGBUS, sighandler); #endif return func_ptr(); } EOF } check_type(){ log check_type "$@" headers=$1 type=$2 shift 2 disable_safe "$type" check_code cc "$headers" "$type v" "$@" && enable_safe "$type" } check_struct(){ log check_struct "$@" headers=$1 struct=$2 member=$3 shift 3 disable_safe "${struct}_${member}" check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" && enable_safe "${struct}_${member}" } check_builtin(){ log check_builtin "$@" name=$1 headers=$2 builtin=$3 shift 3 disable "$name" check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name" } check_compile_assert(){ log check_compile_assert "$@" name=$1 headers=$2 condition=$3 shift 3 disable "$name" check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name" } require(){ name="$1" header="$2" func="$3" shift 3 check_lib $header $func "$@" || die "ERROR: $name not found" } require2(){ name="$1" headers="$2" func="$3" shift 3 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found" } require_cpp(){ name="$1" headers="$2" classes="$3" shift 3 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found" } use_pkg_config(){ pkg="$1" check_pkg_config "$@" || return 1 add_cflags $(get_safe "${pkg}_cflags") add_extralibs $(get_safe "${pkg}_libs") } require_pkg_config(){ use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message" } require_libfreetype(){ log require_libfreetype "$@" pkg="freetype2" check_cmd $pkg_config --exists --print-errors $pkg \ || die "ERROR: $pkg not found" pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg) pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg) { echo "#include " echo "#include FT_FREETYPE_H" echo "long check_func(void) { return (long) FT_Init_FreeType; }" echo "int main(void) { return 0; }" } | check_ld "cc" $pkg_cflags $pkg_libs \ && set_safe "${pkg}_cflags" $pkg_cflags \ && set_safe "${pkg}_libs" $pkg_libs \ || die "ERROR: $pkg not found" add_cflags $(get_safe "${pkg}_cflags") add_extralibs $(get_safe "${pkg}_libs") } hostcc_e(){ eval printf '%s\\n' $HOSTCC_E } hostcc_o(){ eval printf '%s\\n' $HOSTCC_O } check_host_cc(){ log check_host_cc "$@" cat > $TMPC log_file $TMPC check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC } check_host_cpp(){ log check_host_cpp "$@" cat > $TMPC log_file $TMPC check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC } check_host_cppflags(){ log check_host_cppflags "$@" check_host_cc "$@" < #if !($condition) #error "unsatisfied condition: $condition" #endif EOF } cp_if_changed(){ cmp -s "$1" "$2" && echo "$2 is unchanged" && return mkdir -p "$(dirname $2)" $cp_f "$1" "$2" } # CONFIG_LIST contains configurable options, while HAVE_LIST is for # system-dependent things. COMPONENT_LIST=" bsfs decoders demuxers encoders filters hwaccels indevs muxers outdevs parsers protocols " EXAMPLE_LIST=" avio_reading_example avio_dir_cmd_example decoding_encoding_example demuxing_decoding_example extract_mvs_example filter_audio_example filtering_audio_example filtering_video_example metadata_example muxing_example qsvdec_example remuxing_example resampling_audio_example scaling_video_example transcode_aac_example transcoding_example " EXTERNAL_LIBRARY_LIST=" avisynth bzlib crystalhd decklink frei0r gnutls iconv ladspa libaacplus libass libbluray libbs2b libcaca libcdio libcelt libdc1394 libdcadec libfaac libfdk_aac libflite libfontconfig libfreetype libfribidi libgme libgsm libiec61883 libilbc libkvazaar libmfx libmodplug libmp3lame libnut libopencore_amrnb libopencore_amrwb libopencv libopenh264 libopenjpeg libopus libpulse libquvi librtmp libschroedinger libshine libsmbclient libsnappy libsoxr libspeex libssh libstagefright_h264 libtheora libtwolame libutvideo libv4l2 libvidstab libvo_aacenc libvo_amrwbenc libvorbis libvpx libwavpack libwebp libx264 libx265 libxavs libxcb libxcb_shm libxcb_shape libxcb_xfixes libxvid libzmq libzvbi lzma mmal nvenc openal opencl opengl openssl sdl securetransport x11grab xlib zlib " DOCUMENT_LIST=" doc htmlpages manpages podpages txtpages " FEATURE_LIST=" ftrapv gray hardcoded_tables runtime_cpudetect safe_bitstream_reader shared small static swscale_alpha " HWACCEL_LIST=" d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc " LIBRARY_LIST=" avcodec avdevice avfilter avformat avresample avutil postproc swresample swscale " LICENSE_LIST=" gpl nonfree version3 " PROGRAM_LIST=" ffplay ffprobe ffserver ffmpeg " SUBSYSTEM_LIST=" dct dwt error_resilience faan fast_unaligned fft lsp lzo mdct pixelutils network rdft " CONFIG_LIST=" $COMPONENT_LIST $DOCUMENT_LIST $EXAMPLE_LIST $EXTERNAL_LIBRARY_LIST $FEATURE_LIST $HWACCEL_LIST $LICENSE_LIST $LIBRARY_LIST $PROGRAM_LIST $SUBSYSTEM_LIST fontconfig incompatible_libav_abi memalign_hack memory_poisoning neon_clobber_test pic pod2man raise_major thumb valgrind_backtrace xmm_clobber_test " THREADS_LIST=" pthreads os2threads w32threads " ATOMICS_LIST=" atomics_gcc atomics_suncc atomics_win32 " ARCH_LIST=" aarch64 alpha arm avr32 avr32_ap avr32_uc bfin ia64 m68k mips mips64 parisc ppc ppc64 s390 sh4 sparc sparc64 tilegx tilepro tomi x86 x86_32 x86_64 " ARCH_EXT_LIST_ARM=" armv5te armv6 armv6t2 armv8 neon vfp vfpv3 setend " ARCH_EXT_LIST_MIPS=" mipsfpu mips32r2 mips32r5 mips64r6 mipsdspr1 mipsdspr2 msa " ARCH_EXT_LIST_LOONGSON=" loongson2 loongson3 mmi " ARCH_EXT_LIST_X86_SIMD=" amd3dnow amd3dnowext avx avx2 fma3 fma4 mmx mmxext sse sse2 sse3 sse4 sse42 ssse3 xop " ARCH_EXT_LIST_PPC=" altivec dcbzl ldbrx power8 ppc4xx vsx " ARCH_EXT_LIST_X86=" $ARCH_EXT_LIST_X86_SIMD cpunop i686 " ARCH_EXT_LIST=" $ARCH_EXT_LIST_ARM $ARCH_EXT_LIST_PPC $ARCH_EXT_LIST_X86 $ARCH_EXT_LIST_MIPS $ARCH_EXT_LIST_LOONGSON " ARCH_FEATURES=" aligned_stack fast_64bit fast_clz fast_cmov local_aligned_8 local_aligned_16 local_aligned_32 simd_align_16 " BUILTIN_LIST=" atomic_cas_ptr atomic_compare_exchange machine_rw_barrier MemoryBarrier mm_empty rdtsc sarestart sync_val_compare_and_swap " HAVE_LIST_CMDLINE=" inline_asm symver yasm " HAVE_LIST_PUB=" bigendian fast_unaligned incompatible_libav_abi " HEADERS_LIST=" alsa_asoundlib_h altivec_h arpa_inet_h asm_types_h cdio_paranoia_h cdio_paranoia_paranoia_h dev_bktr_ioctl_bt848_h dev_bktr_ioctl_meteor_h dev_ic_bt8xx_h dev_video_bktr_ioctl_bt848_h dev_video_meteor_ioctl_meteor_h direct_h dirent_h dlfcn_h d3d11_h dxva_h ES2_gl_h gsm_h io_h mach_mach_time_h machine_ioctl_bt848_h machine_ioctl_meteor_h malloc_h openjpeg_1_5_openjpeg_h OpenGL_gl3_h poll_h sndio_h soundcard_h sys_mman_h sys_param_h sys_resource_h sys_select_h sys_soundcard_h sys_time_h sys_un_h sys_videoio_h termios_h udplite_h unistd_h valgrind_valgrind_h windows_h winsock2_h " INTRINSICS_LIST=" intrinsics_neon " MATH_FUNCS=" atanf atan2f cbrt cbrtf copysign cosf erf exp2 exp2f expf isinf isnan ldexpf llrint llrintf log2 log2f log10f lrint lrintf powf rint round roundf sinf trunc truncf " SYSTEM_FUNCS=" access aligned_malloc clock_gettime closesocket CommandLineToArgvW CoTaskMemFree CryptGenRandom dlopen fcntl flt_lim fork getaddrinfo gethrtime getopt GetProcessAffinityMask GetProcessMemoryInfo GetProcessTimes getrusage getservbyport GetSystemTimeAsFileTime gettimeofday glob glXGetProcAddress gmtime_r inet_aton isatty jack_port_get_latency_range kbhit localtime_r lstat lzo1x_999_compress mach_absolute_time MapViewOfFile memalign mkstemp mmap mprotect nanosleep PeekNamedPipe posix_memalign pthread_cancel sched_getaffinity SetConsoleTextAttribute SetConsoleCtrlHandler setmode setrlimit Sleep strerror_r sysconf sysctl usleep VirtualAlloc wglGetProcAddress " TOOLCHAIN_FEATURES=" as_dn_directive as_func as_object_arch asm_mod_q attribute_may_alias attribute_packed ebp_available ebx_available gnu_as gnu_windres ibm_asm inline_asm_labels inline_asm_nonlocal_labels inline_asm_direct_symbol_refs pragma_deprecated rsync_contimeout symver_asm_label symver_gnu_asm vfp_args xform_asm xmm_clobbers " TYPES_LIST=" CONDITION_VARIABLE_Ptr socklen_t struct_addrinfo struct_dcadec_exss_info_matrix_encoding struct_group_source_req struct_ip_mreq_source struct_ipv6_mreq struct_pollfd struct_rusage_ru_maxrss struct_sctp_event_subscribe struct_sockaddr_in6 struct_sockaddr_sa_len struct_sockaddr_storage struct_stat_st_mtim_tv_nsec struct_v4l2_frmivalenum_discrete " HAVE_LIST=" $ARCH_EXT_LIST $(add_suffix _external $ARCH_EXT_LIST) $(add_suffix _inline $ARCH_EXT_LIST) $ARCH_FEATURES $ATOMICS_LIST $BUILTIN_LIST $HAVE_LIST_CMDLINE $HAVE_LIST_PUB $HEADERS_LIST $INTRINSICS_LIST $MATH_FUNCS $SYSTEM_FUNCS $THREADS_LIST $TOOLCHAIN_FEATURES $TYPES_LIST atomics_native dos_paths dxva2api_cobj dxva2_lib libc_msvcrt libdc1394_1 libdc1394_2 makeinfo makeinfo_html perl pod2man sdl section_data_rel_ro texi2html threads vaapi_x11 vdpau_x11 xlib " # options emitted with CONFIG_ prefix but not available on the command line CONFIG_EXTRA=" aandcttables ac3dsp audio_frame_queue audiodsp blockdsp bswapdsp cabac dvprofile exif faandct faanidct fdctdsp flacdsp fmtconvert frame_thread_encoder g722dsp gcrypt gmp golomb gplv3 h263dsp h264chroma h264dsp h264pred h264qpel hpeldsp huffman huffyuvdsp huffyuvencdsp idctdsp iirfilter imdct15 intrax8 ividsp jpegtables libx262 lgplv3 llauddsp llviddsp lpc me_cmp mpeg_er mpegaudio mpegaudiodsp mpegvideo mpegvideoenc mss34dsp pixblockdsp qpeldsp qsv qsvdec qsvenc rangecoder riffdec riffenc rtpdec rtpenc_chain rv34dsp sinewin snappy startcode texturedsp texturedspenc tpeldsp videodsp vp3dsp vp56dsp vp8dsp wma_freqs wmv2dsp " CMDLINE_SELECT=" $ARCH_EXT_LIST $CONFIG_LIST $HAVE_LIST_CMDLINE $THREADS_LIST asm cross_compile debug extra_warnings logging lto optimizations rpath stripping " PATHS_LIST=" bindir datadir docdir incdir libdir mandir pkgconfigdir prefix shlibdir " CMDLINE_SET=" $PATHS_LIST ar arch as assert_level build_suffix cc cpu cross_prefix cxx dep_cc doxygen env extra_version gas host_cc host_cflags host_ld host_ldflags host_libs host_os install ld logfile malloc_prefix nm optflags pkg_config pkg_config_flags progs_suffix random_seed ranlib samples strip sws_max_filter_size sysinclude sysroot target_exec target_os target_path target_samples tempprefix toolchain valgrind yasmexe " CMDLINE_APPEND=" extra_cflags extra_cxxflags host_cppflags " # code dependency declarations # architecture extensions armv5te_deps="arm" armv6_deps="arm" armv6t2_deps="arm" armv8_deps="aarch64" neon_deps_any="aarch64 arm" intrinsics_neon_deps="neon" vfp_deps_any="aarch64 arm" vfpv3_deps="vfp" setend_deps="arm" map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM mipsfpu_deps="mips" mipsdspr1_deps="mips" mipsdspr2_deps="mips" mips32r2_deps="mips" mips32r5_deps="mips" mips64r6_deps="mips" msa_deps="mips" mmi_deps="mips" altivec_deps="ppc" dcbzl_deps="ppc" ldbrx_deps="ppc" ppc4xx_deps="ppc" vsx_deps="altivec" power8_deps="vsx" cpunop_deps="i686" x86_64_select="i686" x86_64_suggest="fast_cmov" amd3dnow_deps="mmx" amd3dnowext_deps="amd3dnow" i686_deps="x86" mmx_deps="x86" mmxext_deps="mmx" sse_deps="mmxext" sse2_deps="sse" sse3_deps="sse2" ssse3_deps="sse3" sse4_deps="ssse3" sse42_deps="sse4" avx_deps="sse42" xop_deps="avx" fma3_deps="avx" fma4_deps="avx" avx2_deps="avx" mmx_external_deps="yasm" mmx_inline_deps="inline_asm" mmx_suggest="mmx_external mmx_inline" for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do eval dep=\$${ext}_deps eval ${ext}_external_deps='"${dep}_external"' eval ${ext}_inline_deps='"${dep}_inline"' eval ${ext}_suggest='"${ext}_external ${ext}_inline"' done aligned_stack_if_any="aarch64 ppc x86" fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64" fast_clz_if_any="aarch64 alpha avr32 mips ppc x86" fast_unaligned_if_any="aarch64 ppc x86" simd_align_16_if_any="altivec neon sse" # system capabilities symver_if_any="symver_asm_label symver_gnu_asm" valgrind_backtrace_deps="!optimizations valgrind_valgrind_h" # threading support atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange" atomics_suncc_if="atomic_cas_ptr machine_rw_barrier" atomics_win32_if="MemoryBarrier" atomics_native_if_any="$ATOMICS_LIST" w32threads_deps="atomics_native" threads_if_any="$THREADS_LIST" # subsystems dct_select="rdft" error_resilience_select="me_cmp" faandct_deps="faan fdctdsp" faanidct_deps="faan idctdsp" frame_thread_encoder_deps="encoders threads" intrax8_select="error_resilience" mdct_select="fft" rdft_select="fft" me_cmp_select="fdctdsp idctdsp pixblockdsp" mpeg_er_select="error_resilience" mpegaudio_select="mpegaudiodsp" mpegaudiodsp_select="dct" mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp" mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp" qsvdec_select="qsv" qsvenc_select="qsv" # decoders / encoders aac_decoder_select="imdct15 mdct sinewin" aac_fixed_decoder_select="mdct sinewin" aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin" aac_latm_decoder_select="aac_decoder aac_latm_parser" ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct" ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct" ac3_encoder_select="ac3dsp audiodsp mdct me_cmp" ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp" adpcm_g722_decoder_select="g722dsp" adpcm_g722_encoder_select="g722dsp" aic_decoder_select="golomb idctdsp" alac_encoder_select="lpc" als_decoder_select="bswapdsp" amrnb_decoder_select="lsp" amrwb_decoder_select="lsp" amv_decoder_select="sp5x_decoder exif" amv_encoder_select="aandcttables jpegtables mpegvideoenc" ape_decoder_select="bswapdsp llauddsp" apng_decoder_select="zlib" apng_encoder_select="huffyuvencdsp zlib" asv1_decoder_select="blockdsp bswapdsp idctdsp" asv1_encoder_select="bswapdsp fdctdsp pixblockdsp" asv2_decoder_select="blockdsp bswapdsp idctdsp" asv2_encoder_select="bswapdsp fdctdsp pixblockdsp" atrac1_decoder_select="mdct sinewin" atrac3_decoder_select="mdct" atrac3p_decoder_select="mdct sinewin" avrn_decoder_select="exif jpegtables" bink_decoder_select="blockdsp hpeldsp" binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs" binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs" cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp" cllc_decoder_select="bswapdsp" comfortnoise_encoder_select="lpc" cook_decoder_select="audiodsp mdct sinewin" cscd_decoder_select="lzo" cscd_decoder_suggest="zlib" dca_decoder_select="fmtconvert mdct" dds_decoder_select="texturedsp" dirac_decoder_select="dwt golomb videodsp mpegvideoenc" dnxhd_decoder_select="blockdsp idctdsp" dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp" dvvideo_decoder_select="dvprofile idctdsp" dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp" dxa_decoder_select="zlib" eac3_decoder_select="ac3_decoder" eac3_encoder_select="ac3_encoder" eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo" eatgq_decoder_select="aandcttables" eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder" exr_decoder_select="zlib" ffv1_decoder_select="golomb rangecoder" ffv1_encoder_select="rangecoder" ffvhuff_decoder_select="huffyuv_decoder" ffvhuff_encoder_select="huffyuv_encoder" fic_decoder_select="golomb" flac_decoder_select="flacdsp golomb" flac_encoder_select="bswapdsp flacdsp golomb lpc" flashsv_decoder_select="zlib" flashsv_encoder_select="zlib" flashsv2_encoder_select="zlib" flashsv2_decoder_select="zlib" flv_decoder_select="h263_decoder" flv_encoder_select="h263_encoder" fourxm_decoder_select="blockdsp bswapdsp" fraps_decoder_select="bswapdsp huffman" g2m_decoder_select="blockdsp idctdsp jpegtables zlib" g729_decoder_select="audiodsp" h261_decoder_select="mpegvideo" h261_encoder_select="aandcttables mpegvideoenc" h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp" h263_encoder_select="aandcttables h263dsp mpegvideoenc" h263i_decoder_select="h263_decoder" h263p_decoder_select="h263_decoder" h263p_encoder_select="h263_encoder" h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp" h264_decoder_suggest="error_resilience" h264_qsv_decoder_deps="libmfx" h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel" h264_qsv_encoder_deps="libmfx" h264_qsv_encoder_select="qsvenc" hap_decoder_select="snappy texturedsp" hap_encoder_deps="libsnappy" hap_encoder_select="texturedspenc" hevc_decoder_select="bswapdsp cabac golomb videodsp" hevc_qsv_encoder_deps="libmfx" hevc_qsv_decoder_deps="libmfx" hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel" hevc_qsv_encoder_select="qsvenc" huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp" huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp" iac_decoder_select="imc_decoder" imc_decoder_select="bswapdsp fft mdct sinewin" indeo3_decoder_select="hpeldsp" indeo4_decoder_select="ividsp" indeo5_decoder_select="ividsp" interplay_video_decoder_select="hpeldsp" jpegls_decoder_select="golomb mjpeg_decoder" jpegls_encoder_select="golomb" jv_decoder_select="blockdsp" lagarith_decoder_select="huffyuvdsp" ljpeg_encoder_select="aandcttables idctdsp jpegtables" loco_decoder_select="golomb" mdec_decoder_select="blockdsp idctdsp mpegvideo" metasound_decoder_select="lsp mdct sinewin" mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp" mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables" mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc" mjpegb_decoder_select="mjpeg_decoder" mlp_decoder_select="mlp_parser" motionpixels_decoder_select="bswapdsp" mp1_decoder_select="mpegaudio" mp1float_decoder_select="mpegaudio" mp2_decoder_select="mpegaudio" mp2float_decoder_select="mpegaudio" mp3_decoder_select="mpegaudio" mp3adu_decoder_select="mpegaudio" mp3adufloat_decoder_select="mpegaudio" mp3float_decoder_select="mpegaudio" mp3on4_decoder_select="mpegaudio" mp3on4float_decoder_select="mpegaudio" mpc7_decoder_select="bswapdsp mpegaudiodsp" mpc8_decoder_select="mpegaudiodsp" mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h" mpeg_xvmc_decoder_select="mpeg2video_decoder" mpegvideo_decoder_select="mpegvideo" mpeg1video_decoder_select="mpegvideo" mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp" mpeg2video_decoder_select="mpegvideo" mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp" mpeg2_qsv_decoder_deps="libmfx" mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel" mpeg2_qsv_encoder_deps="libmfx" mpeg2_qsv_encoder_select="qsvenc" mpeg4_decoder_select="h263_decoder mpeg4video_parser" mpeg4_encoder_select="h263_encoder" msa1_decoder_select="mss34dsp" msmpeg4v1_decoder_select="h263_decoder" msmpeg4v2_decoder_select="h263_decoder" msmpeg4v2_encoder_select="h263_encoder" msmpeg4v3_decoder_select="h263_decoder" msmpeg4v3_encoder_select="h263_encoder" mss2_decoder_select="vc1_decoder" mts2_decoder_select="mss34dsp" mxpeg_decoder_select="mjpeg_decoder" nellymoser_decoder_select="mdct sinewin" nellymoser_encoder_select="audio_frame_queue mdct sinewin" nuv_decoder_select="idctdsp lzo" on2avc_decoder_select="mdct" opus_decoder_deps="swresample" opus_decoder_select="imdct15" png_decoder_select="zlib" png_encoder_select="huffyuvencdsp zlib" prores_decoder_select="blockdsp idctdsp" prores_encoder_select="fdctdsp" qcelp_decoder_select="lsp" qdm2_decoder_select="mdct rdft mpegaudiodsp" ra_144_encoder_select="audio_frame_queue lpc audiodsp" ra_144_decoder_select="audiodsp" ralf_decoder_select="golomb" rawvideo_decoder_select="bswapdsp" rtjpeg_decoder_select="me_cmp" rv10_decoder_select="h263_decoder" rv10_encoder_select="h263_encoder" rv20_decoder_select="h263_decoder" rv20_encoder_select="h263_encoder" rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp" rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp" shorten_decoder_select="golomb" sipr_decoder_select="lsp" snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp" snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder" sonic_decoder_select="golomb rangecoder" sonic_encoder_select="golomb rangecoder" sonic_ls_encoder_select="golomb rangecoder" sp5x_decoder_select="mjpeg_decoder" svq1_decoder_select="hpeldsp" svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc" svq3_decoder_select="h264_decoder hpeldsp tpeldsp" svq3_decoder_suggest="zlib" tak_decoder_select="audiodsp" tdsc_decoder_select="zlib mjpeg_decoder" theora_decoder_select="vp3_decoder" thp_decoder_select="mjpeg_decoder" tiff_decoder_suggest="zlib lzma" tiff_encoder_suggest="zlib" truehd_decoder_select="mlp_parser" truemotion2_decoder_select="bswapdsp" truespeech_decoder_select="bswapdsp" tscc_decoder_select="zlib" twinvq_decoder_select="mdct lsp sinewin" txd_decoder_select="texturedsp" utvideo_decoder_select="bswapdsp" utvideo_encoder_select="bswapdsp huffman huffyuvencdsp" vble_decoder_select="huffyuvdsp" vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode" vc1image_decoder_select="vc1_decoder" vc1_qsv_decoder_deps="libmfx" vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel" vorbis_decoder_select="mdct" vorbis_encoder_select="mdct" vp3_decoder_select="hpeldsp vp3dsp videodsp" vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp" vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp" vp6a_decoder_select="vp6_decoder" vp6f_decoder_select="vp6_decoder" vp7_decoder_select="h264pred videodsp vp8dsp" vp8_decoder_select="h264pred videodsp vp8dsp" vp9_decoder_select="videodsp vp9_parser" webp_decoder_select="vp8_decoder" wmalossless_decoder_select="llauddsp" wmapro_decoder_select="mdct sinewin wma_freqs" wmav1_decoder_select="mdct sinewin wma_freqs" wmav1_encoder_select="mdct sinewin wma_freqs" wmav2_decoder_select="mdct sinewin wma_freqs" wmav2_encoder_select="mdct sinewin wma_freqs" wmavoice_decoder_select="lsp rdft dct mdct sinewin" wmv1_decoder_select="h263_decoder" wmv1_encoder_select="h263_encoder" wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp" wmv2_encoder_select="h263_encoder wmv2dsp" wmv3_decoder_select="vc1_decoder" wmv3image_decoder_select="wmv3_decoder" zerocodec_decoder_select="zlib" zlib_decoder_select="zlib" zlib_encoder_select="zlib" zmbv_decoder_select="zlib" zmbv_encoder_select="zlib" # hardware accelerators crystalhd_deps="libcrystalhd_libcrystalhd_if_h" d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder" dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode" vaapi_deps="va_va_h" vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h" vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore -framework CoreServices" vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h" videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads CoreServices_CoreServices_h" videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreServices" xvmc_deps="X11_extensions_XvMClib_h" h263_vaapi_hwaccel_deps="vaapi" h263_vaapi_hwaccel_select="h263_decoder" h263_vdpau_hwaccel_deps="vdpau" h263_vdpau_hwaccel_select="h263_decoder" h263_videotoolbox_hwaccel_deps="videotoolbox" h263_videotoolbox_hwaccel_select="h263_decoder" h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser" h264_d3d11va_hwaccel_deps="d3d11va" h264_d3d11va_hwaccel_select="h264_decoder" h264_dxva2_hwaccel_deps="dxva2" h264_dxva2_hwaccel_select="h264_decoder" h264_mmal_decoder_deps="mmal" h264_mmal_hwaccel_deps="mmal" h264_mmal_decoder_select="h264_decoder" h264_mmal_encoder_deps="mmal" h264_qsv_hwaccel_deps="libmfx" h264_vaapi_hwaccel_deps="vaapi" h264_vaapi_hwaccel_select="h264_decoder" h264_vda_decoder_deps="vda" h264_vda_decoder_select="h264_decoder" h264_vda_hwaccel_deps="vda" h264_vda_hwaccel_select="h264_decoder" h264_vda_old_hwaccel_deps="vda" h264_vda_old_hwaccel_select="h264_decoder" h264_vdpau_decoder_deps="vdpau" h264_vdpau_decoder_select="h264_decoder" h264_vdpau_hwaccel_deps="vdpau" h264_vdpau_hwaccel_select="h264_decoder" h264_videotoolbox_hwaccel_deps="videotoolbox" h264_videotoolbox_hwaccel_select="h264_decoder" hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC" hevc_d3d11va_hwaccel_select="hevc_decoder" hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC" hevc_dxva2_hwaccel_select="hevc_decoder" hevc_qsv_hwaccel_deps="libmfx" hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC" hevc_vaapi_hwaccel_select="hevc_decoder" hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC" hevc_vdpau_hwaccel_select="hevc_decoder" mpeg_vdpau_decoder_deps="vdpau" mpeg_vdpau_decoder_select="mpeg2video_decoder" mpeg_xvmc_hwaccel_deps="xvmc" mpeg_xvmc_hwaccel_select="mpeg2video_decoder" mpeg1_vdpau_decoder_deps="vdpau" mpeg1_vdpau_decoder_select="mpeg1video_decoder" mpeg1_vdpau_hwaccel_deps="vdpau" mpeg1_vdpau_hwaccel_select="mpeg1video_decoder" mpeg1_videotoolbox_hwaccel_deps="videotoolbox" mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder" mpeg1_xvmc_hwaccel_deps="xvmc" mpeg1_xvmc_hwaccel_select="mpeg1video_decoder" mpeg2_crystalhd_decoder_select="crystalhd" mpeg2_d3d11va_hwaccel_deps="d3d11va" mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder" mpeg2_dxva2_hwaccel_deps="dxva2" mpeg2_dxva2_hwaccel_select="mpeg2video_decoder" mpeg2_qsv_hwaccel_deps="libmfx" mpeg2_qsv_hwaccel_select="qsvdec_mpeg2" mpeg2_vaapi_hwaccel_deps="vaapi" mpeg2_vaapi_hwaccel_select="mpeg2video_decoder" mpeg2_vdpau_hwaccel_deps="vdpau" mpeg2_vdpau_hwaccel_select="mpeg2video_decoder" mpeg2_videotoolbox_hwaccel_deps="videotoolbox" mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder" mpeg2_xvmc_hwaccel_deps="xvmc" mpeg2_xvmc_hwaccel_select="mpeg2video_decoder" mpeg4_crystalhd_decoder_select="crystalhd" mpeg4_vaapi_hwaccel_deps="vaapi" mpeg4_vaapi_hwaccel_select="mpeg4_decoder" mpeg4_vdpau_decoder_deps="vdpau" mpeg4_vdpau_decoder_select="mpeg4_decoder" mpeg4_vdpau_hwaccel_deps="vdpau" mpeg4_vdpau_hwaccel_select="mpeg4_decoder" mpeg4_videotoolbox_hwaccel_deps="videotoolbox" mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder" msmpeg4_crystalhd_decoder_select="crystalhd" vc1_crystalhd_decoder_select="crystalhd" vc1_d3d11va_hwaccel_deps="d3d11va" vc1_d3d11va_hwaccel_select="vc1_decoder" vc1_dxva2_hwaccel_deps="dxva2" vc1_dxva2_hwaccel_select="vc1_decoder" vc1_vaapi_hwaccel_deps="vaapi" vc1_vaapi_hwaccel_select="vc1_decoder" vc1_vdpau_decoder_deps="vdpau" vc1_vdpau_decoder_select="vc1_decoder" vc1_vdpau_hwaccel_deps="vdpau" vc1_vdpau_hwaccel_select="vc1_decoder" vc1_qsv_hwaccel_deps="libmfx" vc1_qsv_hwaccel_select="qsvdec_vc1" wmv3_crystalhd_decoder_select="crystalhd" wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel" wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel" wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel" wmv3_vdpau_decoder_select="vc1_vdpau_decoder" wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel" # parsers h264_parser_select="h264_decoder" hevc_parser_select="golomb" mpegvideo_parser_select="mpegvideo" mpeg4video_parser_select="h263dsp mpegvideo qpeldsp" vc1_parser_select="mpegvideo startcode vc1_decoder" # bitstream_filters mjpeg2jpeg_bsf_select="jpegtables" # external libraries libaacplus_encoder_deps="libaacplus" libcelt_decoder_deps="libcelt" libdcadec_decoder_deps="libdcadec" libfaac_encoder_deps="libfaac" libfaac_encoder_select="audio_frame_queue" libfdk_aac_decoder_deps="libfdk_aac" libfdk_aac_encoder_deps="libfdk_aac" libfdk_aac_encoder_select="audio_frame_queue" libgme_demuxer_deps="libgme" libgsm_decoder_deps="libgsm" libgsm_encoder_deps="libgsm" libgsm_ms_decoder_deps="libgsm" libgsm_ms_encoder_deps="libgsm" libilbc_decoder_deps="libilbc" libilbc_encoder_deps="libilbc" libkvazaar_encoder_deps="libkvazaar" libmodplug_demuxer_deps="libmodplug" libmp3lame_encoder_deps="libmp3lame" libmp3lame_encoder_select="audio_frame_queue" libopencore_amrnb_decoder_deps="libopencore_amrnb" libopencore_amrnb_encoder_deps="libopencore_amrnb" libopencore_amrnb_encoder_select="audio_frame_queue" libopencore_amrwb_decoder_deps="libopencore_amrwb" libopenh264_encoder_deps="libopenh264" libopenjpeg_decoder_deps="libopenjpeg" libopenjpeg_encoder_deps="libopenjpeg" libopus_decoder_deps="libopus" libopus_encoder_deps="libopus" libopus_encoder_select="audio_frame_queue" libquvi_demuxer_deps="libquvi" libschroedinger_decoder_deps="libschroedinger" libschroedinger_encoder_deps="libschroedinger" libshine_encoder_deps="libshine" libshine_encoder_select="audio_frame_queue" libspeex_decoder_deps="libspeex" libspeex_encoder_deps="libspeex" libspeex_encoder_select="audio_frame_queue" libstagefright_h264_decoder_deps="libstagefright_h264" libtheora_encoder_deps="libtheora" libtwolame_encoder_deps="libtwolame" libvo_aacenc_encoder_deps="libvo_aacenc" libvo_aacenc_encoder_select="audio_frame_queue" libvo_amrwbenc_encoder_deps="libvo_amrwbenc" libvorbis_decoder_deps="libvorbis" libvorbis_encoder_deps="libvorbis" libvorbis_encoder_select="audio_frame_queue" libvpx_vp8_decoder_deps="libvpx" libvpx_vp8_encoder_deps="libvpx" libvpx_vp9_decoder_deps="libvpx" libvpx_vp9_encoder_deps="libvpx" libwavpack_encoder_deps="libwavpack" libwebp_encoder_deps="libwebp" libwebp_anim_encoder_deps="libwebp" libx262_encoder_deps="libx262" libx264_encoder_deps="libx264" libx264rgb_encoder_deps="libx264" libx264rgb_encoder_select="libx264_encoder" libx265_encoder_deps="libx265" libxavs_encoder_deps="libxavs" libxvid_encoder_deps="libxvid" libutvideo_decoder_deps="libutvideo" libutvideo_encoder_deps="libutvideo" libzvbi_teletext_decoder_deps="libzvbi" nvenc_encoder_deps="nvenc" nvenc_h264_encoder_deps="nvenc" nvenc_hevc_encoder_deps="nvenc" # demuxers / muxers ac3_demuxer_select="ac3_parser" asf_demuxer_select="riffdec" asf_o_demuxer_select="riffdec" asf_muxer_select="riffenc" asf_stream_muxer_select="asf_muxer" avi_demuxer_select="riffdec exif" avi_muxer_select="riffenc" avisynth_demuxer_deps="avisynth" avisynth_demuxer_select="riffdec" caf_demuxer_select="riffdec" dash_muxer_select="mp4_muxer" dirac_demuxer_select="dirac_parser" dts_demuxer_select="dca_parser" dtshd_demuxer_select="dca_parser" dv_demuxer_select="dvprofile" dv_muxer_select="dvprofile" dxa_demuxer_select="riffdec" eac3_demuxer_select="ac3_parser" f4v_muxer_select="mov_muxer" flac_demuxer_select="flac_parser" hds_muxer_select="flv_muxer" hls_muxer_select="mpegts_muxer" image2_alias_pix_demuxer_select="image2_demuxer" image2_brender_pix_demuxer_select="image2_demuxer" ipod_muxer_select="mov_muxer" ismv_muxer_select="mov_muxer" libnut_demuxer_deps="libnut" libnut_muxer_deps="libnut" matroska_audio_muxer_select="matroska_muxer" matroska_demuxer_select="riffdec" matroska_demuxer_suggest="bzlib lzo zlib" matroska_muxer_select="riffenc" mmf_muxer_select="riffenc" mov_demuxer_select="riffdec" mov_demuxer_suggest="zlib" mov_muxer_select="riffenc rtpenc_chain" mp3_demuxer_select="mpegaudio_parser" mp4_muxer_select="mov_muxer" mpegts_muxer_select="adts_muxer latm_muxer" mpegtsraw_demuxer_select="mpegts_demuxer" mxf_d10_muxer_select="mxf_muxer" mxf_opatom_muxer_select="mxf_muxer" nut_muxer_select="riffenc" nuv_demuxer_select="riffdec" oga_muxer_select="ogg_muxer" ogg_demuxer_select="golomb" opus_muxer_select="ogg_muxer" psp_muxer_select="mov_muxer" rtp_demuxer_select="sdp_demuxer" rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol" rtsp_demuxer_select="http_protocol rtpdec" rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain" sap_demuxer_select="sdp_demuxer" sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain" sdp_demuxer_select="rtpdec" smoothstreaming_muxer_select="ismv_muxer" spdif_muxer_select="aac_parser" spx_muxer_select="ogg_muxer" tak_demuxer_select="tak_parser" tg2_muxer_select="mov_muxer" tgp_muxer_select="mov_muxer" vobsub_demuxer_select="mpegps_demuxer" w64_demuxer_select="wav_demuxer" w64_muxer_select="wav_muxer" wav_demuxer_select="riffdec" wav_muxer_select="riffenc" webm_muxer_select="riffenc" webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder" wtv_demuxer_select="riffdec" wtv_muxer_select="riffenc" xmv_demuxer_select="riffdec" xwma_demuxer_select="riffdec" # indevs / outdevs alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp" alsa_outdev_deps="alsa_asoundlib_h" avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia" avfoundation_indev_select="avfoundation" bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h" caca_outdev_deps="libcaca" decklink_outdev_deps="decklink pthreads" decklink_outdev_extralibs="-lstdc++" decklink_indev_deps="decklink pthreads" decklink_indev_extralibs="-lstdc++" dshow_indev_deps="IBaseFilter" dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi" dv1394_indev_deps="dv1394" dv1394_indev_select="dv_demuxer" fbdev_indev_deps="linux_fb_h" fbdev_outdev_deps="linux_fb_h" gdigrab_indev_deps="CreateDIBSection" gdigrab_indev_extralibs="-lgdi32" gdigrab_indev_select="bmp_decoder" iec61883_indev_deps="libiec61883" jack_indev_deps="jack_jack_h sem_timedwait" lavfi_indev_deps="avfilter" libcdio_indev_deps="libcdio" libdc1394_indev_deps="libdc1394" libv4l2_indev_deps="libv4l2" openal_indev_deps="openal" opengl_outdev_deps="opengl" oss_indev_deps_any="soundcard_h sys_soundcard_h" oss_outdev_deps_any="soundcard_h sys_soundcard_h" pulse_indev_deps="libpulse" pulse_outdev_deps="libpulse" qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore" qtkit_indev_select="qtkit" sdl_outdev_deps="sdl" sndio_indev_deps="sndio_h" sndio_outdev_deps="sndio_h" v4l_indev_deps="linux_videodev_h" v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h" v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h" vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines" vfwcap_indev_extralibs="-lavicap32" xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute" xv_outdev_extralibs="-lXv -lX11 -lXext" x11grab_indev_deps="x11grab" x11grab_xcb_indev_deps="libxcb" # protocols async_protocol_deps="pthreads" bluray_protocol_deps="libbluray" ffrtmpcrypt_protocol_deps="!librtmp_protocol" ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl" ffrtmpcrypt_protocol_select="tcp_protocol" ffrtmphttp_protocol_deps="!librtmp_protocol" ffrtmphttp_protocol_select="http_protocol" ftp_protocol_select="tcp_protocol" gopher_protocol_select="network" http_protocol_select="tcp_protocol" httpproxy_protocol_select="tcp_protocol" https_protocol_select="tls_protocol" icecast_protocol_select="http_protocol" librtmp_protocol_deps="librtmp" librtmpe_protocol_deps="librtmp" librtmps_protocol_deps="librtmp" librtmpt_protocol_deps="librtmp" librtmpte_protocol_deps="librtmp" libsmbclient_protocol_deps="libsmbclient gplv3" libssh_protocol_deps="libssh" mmsh_protocol_select="http_protocol" mmst_protocol_select="network" rtmp_protocol_deps="!librtmp_protocol" rtmp_protocol_select="tcp_protocol" rtmpe_protocol_select="ffrtmpcrypt_protocol" rtmps_protocol_deps="!librtmp_protocol" rtmps_protocol_select="tls_protocol" rtmpt_protocol_select="ffrtmphttp_protocol" rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol" rtmpts_protocol_select="ffrtmphttp_protocol https_protocol" rtp_protocol_select="udp_protocol" sctp_protocol_deps="struct_sctp_event_subscribe" sctp_protocol_select="network" srtp_protocol_select="rtp_protocol" tcp_protocol_select="network" tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol" tls_gnutls_protocol_select="tcp_protocol" tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol" tls_openssl_protocol_select="tcp_protocol" tls_securetransport_protocol_deps="securetransport" tls_securetransport_protocol_select="tcp_protocol" tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol" udp_protocol_select="network" udplite_protocol_select="network" unix_protocol_deps="sys_un_h" unix_protocol_select="network" # filters amovie_filter_deps="avcodec avformat" aresample_filter_deps="swresample" ass_filter_deps="libass" asyncts_filter_deps="avresample" atempo_filter_deps="avcodec" atempo_filter_select="rdft" azmq_filter_deps="libzmq" blackframe_filter_deps="gpl" boxblur_filter_deps="gpl" bs2b_filter_deps="libbs2b" colormatrix_filter_deps="gpl" cover_rect_filter_deps="avcodec avformat gpl" cropdetect_filter_deps="gpl" delogo_filter_deps="gpl" deshake_filter_select="pixelutils" drawtext_filter_deps="libfreetype" dynaudnorm_filter_deps="copysign erf" ebur128_filter_deps="gpl" eq_filter_deps="gpl" fftfilt_filter_deps="avcodec" fftfilt_filter_select="rdft" flite_filter_deps="libflite" find_rect_filter_deps="avcodec avformat gpl" frei0r_filter_deps="frei0r dlopen" frei0r_src_filter_deps="frei0r dlopen" fspp_filter_deps="gpl" geq_filter_deps="gpl" histeq_filter_deps="gpl" hqdn3d_filter_deps="gpl" interlace_filter_deps="gpl" kerndeint_filter_deps="gpl" ladspa_filter_deps="ladspa dlopen" mcdeint_filter_deps="avcodec gpl" movie_filter_deps="avcodec avformat" mpdecimate_filter_deps="gpl" mpdecimate_filter_select="pixelutils" mptestsrc_filter_deps="gpl" negate_filter_deps="lut_filter" perspective_filter_deps="gpl" pp7_filter_deps="gpl" ocv_filter_deps="libopencv" owdenoise_filter_deps="gpl" pan_filter_deps="swresample" phase_filter_deps="gpl" pp_filter_deps="gpl postproc" pullup_filter_deps="gpl" removelogo_filter_deps="avcodec avformat swscale" repeatfields_filter_deps="gpl" resample_filter_deps="avresample" sab_filter_deps="gpl swscale" scale_filter_deps="swscale" scale2ref_filter_deps="swscale" select_filter_select="pixelutils" smartblur_filter_deps="gpl swscale" showcqt_filter_deps="avcodec" showcqt_filter_select="fft" showfreqs_filter_deps="avcodec" showfreqs_filter_select="fft" showspectrum_filter_deps="avcodec" showspectrum_filter_select="rdft" spp_filter_deps="gpl avcodec" spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp" stereo3d_filter_deps="gpl" subtitles_filter_deps="avformat avcodec libass" super2xsai_filter_deps="gpl" tinterlace_filter_deps="gpl" vidstabdetect_filter_deps="libvidstab" vidstabtransform_filter_deps="libvidstab" pixfmts_super2xsai_test_deps="super2xsai_filter" tinterlace_merge_test_deps="tinterlace_filter" tinterlace_pad_test_deps="tinterlace_filter" uspp_filter_deps="gpl avcodec" zmq_filter_deps="libzmq" zoompan_filter_deps="swscale" # examples avio_reading="avformat avcodec avutil" avio_dir_cmd="avformat avutil" avcodec_example_deps="avcodec avutil" decoding_encoding_example_deps="avcodec avformat avutil" demuxing_decoding_example_deps="avcodec avformat avutil" extract_mvs_example_deps="avcodec avformat avutil" filter_audio_example_deps="avfilter avutil" filtering_audio_example_deps="avfilter avcodec avformat avutil" filtering_video_example_deps="avfilter avcodec avformat avutil" metadata_example_deps="avformat avutil" muxing_example_deps="avcodec avformat avutil swscale" qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11" remuxing_example_deps="avcodec avformat avutil" resampling_audio_example_deps="avutil swresample" scaling_video_example_deps="avutil swscale" transcode_aac_example_deps="avcodec avformat swresample" transcoding_example_deps="avfilter avcodec avformat avutil" # libraries, in linking order avcodec_deps="avutil" avdevice_deps="avformat avcodec avutil" avfilter_deps="avutil" avformat_deps="avcodec avutil" avresample_deps="avutil" postproc_deps="avutil gpl" swresample_deps="avutil" swscale_deps="avutil" # programs ffmpeg_deps="avcodec avfilter avformat swresample" ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter null_filter setpts_filter trim_filter" ffplay_deps="avcodec avformat swscale swresample sdl" ffplay_libs='$sdl_libs' ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter" ffprobe_deps="avcodec avformat" ffserver_deps="avformat fork sarestart" ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer" # documentation podpages_deps="perl" manpages_deps="perl pod2man" htmlpages_deps="perl" htmlpages_deps_any="makeinfo_html texi2html" txtpages_deps="perl makeinfo" doc_deps_any="manpages htmlpages podpages txtpages" # default parameters logfile="config.log" # installation paths prefix_default="/usr/local" bindir_default='${prefix}/bin' datadir_default='${prefix}/share/ffmpeg' docdir_default='${prefix}/share/doc/ffmpeg' incdir_default='${prefix}/include' libdir_default='${prefix}/lib' mandir_default='${prefix}/share/man' # toolchain ar_default="ar" cc_default="gcc" cxx_default="g++" host_cc_default="gcc" cp_f="cp -f" doxygen_default="doxygen" install="install" ln_s="ln -s -f" nm_default="nm -g" objformat="elf" pkg_config_default=pkg-config ranlib_default="ranlib" strip_default="strip" yasmexe_default="yasm" windres_default="windres" # OS target_os_default=$(tolower $(uname -s)) host_os=$target_os_default # machine if test "$target_os_default" = aix; then arch_default=$(uname -p) strip_default="strip -X32_64" else arch_default=$(uname -m) fi cpu="generic" intrinsics="none" # configurable options enable $PROGRAM_LIST enable $DOCUMENT_LIST enable $EXAMPLE_LIST enable $(filter_out avresample $LIBRARY_LIST) enable stripping enable asm enable debug enable doc enable faan faandct faanidct enable optimizations enable runtime_cpudetect enable safe_bitstream_reader enable static enable swscale_alpha enable valgrind_backtrace sws_max_filter_size_default=256 set_default sws_max_filter_size # Enable hwaccels by default. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc enable xlib # build settings SHFLAGS='-shared -Wl,-soname,$$(@F)' LIBPREF="lib" LIBSUF=".a" FULLNAME='$(NAME)$(BUILDSUF)' LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)' SLIBPREF="lib" SLIBSUF=".so" SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)' SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)' SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)' LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)' SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)' asflags_filter=echo cflags_filter=echo ldflags_filter=echo AS_C='-c' AS_O='-o $@' CC_C='-c' CC_E='-E -o $@' CC_O='-o $@' CXX_C='-c' CXX_O='-o $@' LD_O='-o $@' LD_LIB='-l%' LD_PATH='-L' HOSTCC_C='-c' HOSTCC_E='-E -o $@' HOSTCC_O='-o $@' HOSTLD_O='-o $@' host_libs='-lm' host_cflags_filter=echo host_ldflags_filter=echo target_path='$(CURDIR)' # since the object filename is not given with the -MM flag, the compiler # is only able to print the basename, and we must add the path ourselves DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)' DEPFLAGS='-MM' # find source path if test -f configure; then source_path=. else source_path=$(cd $(dirname "$0"); pwd) case "$source_path" in *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;; esac test -e "$source_path/config.h" && die "Out of tree builds are impossible with config.h in source dir." fi for v in "$@"; do r=${v#*=} l=${v%"$r"} r=$(sh_quote "$r") FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}" done find_things(){ thing=$1 pattern=$2 file=$source_path/$3 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file" } ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c) DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c) HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c) PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c) BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c) MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c) DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c) OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c) INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c) PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c) FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c) ALL_COMPONENTS=" $BSF_LIST $DECODER_LIST $DEMUXER_LIST $ENCODER_LIST $FILTER_LIST $HWACCEL_LIST $INDEV_LIST $MUXER_LIST $OUTDEV_LIST $PARSER_LIST $PROTOCOL_LIST " for n in $COMPONENT_LIST; do v=$(toupper ${n%s})_LIST eval enable \$$v eval ${n}_if_any="\$$v" done enable $ARCH_EXT_LIST die_unknown(){ echo "Unknown option \"$1\"." echo "See $0 --help for available options." exit 1 } print_3_columns() { cat | tr ' ' '\n' | sort | pr -r -3 -t } show_list() { suffix=_$1 shift echo $* | sed s/$suffix//g | print_3_columns exit 0 } rand_list(){ IFS=', ' set -- $* unset IFS for thing; do comp=${thing%:*} prob=${thing#$comp} prob=${prob#:} is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST echo "prob ${prob:-0.5}" printf '%s\n' $comp done } do_random(){ action=$1 shift random_seed=$(awk "BEGIN { srand($random_seed); print srand() }") $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }") } for opt do optval="${opt#*=}" case "$opt" in --extra-ldflags=*) add_ldflags $optval ;; --extra-ldexeflags=*) add_ldexeflags $optval ;; --extra-ldlibflags=*) add_ldlibflags $optval ;; --extra-libs=*) add_extralibs $optval ;; --disable-devices) disable $INDEV_LIST $OUTDEV_LIST ;; --enable-debug=*) debuglevel="$optval" ;; --disable-programs) disable $PROGRAM_LIST ;; --disable-everything) map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST ;; --disable-all) map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST disable $LIBRARY_LIST $PROGRAM_LIST doc ;; --enable-random|--disable-random) action=${opt%%-random} do_random ${action#--} $COMPONENT_LIST ;; --enable-random=*|--disable-random=*) action=${opt%%-random=*} do_random ${action#--} $optval ;; --enable-*=*|--disable-*=*) eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/') is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt" eval list=\$$(toupper $thing)_LIST name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing} list=$(filter "$name" $list) [ "$list" = "" ] && warn "Option $opt did not match anything" $action $list ;; --enable-?*|--disable-?*) eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g') if is_in $option $COMPONENT_LIST; then test $action = disable && action=unset eval $action \$$(toupper ${option%s})_LIST elif is_in $option $CMDLINE_SELECT; then $action $option else die_unknown $opt fi ;; --list-*) NAME="${opt#--list-}" is_in $NAME $COMPONENT_LIST || die_unknown $opt NAME=${NAME%s} eval show_list $NAME \$$(toupper $NAME)_LIST ;; --help|-h) show_help ;; --fatal-warnings) enable fatal_warnings ;; *) optname="${opt%%=*}" optname="${optname#--}" optname=$(echo "$optname" | sed 's/-/_/g') if is_in $optname $CMDLINE_SET; then eval $optname='$optval' elif is_in $optname $CMDLINE_APPEND; then append $optname "$optval" else die_unknown $opt fi ;; esac done for e in $env; do eval "export $e" done disabled logging && logfile=/dev/null echo "# $0 $FFMPEG_CONFIGURATION" > $logfile set >> $logfile test -n "$valgrind" && toolchain="valgrind-memcheck" case "$toolchain" in clang-asan) cc_default="clang" add_cflags -fsanitize=address add_ldflags -fsanitize=address ;; clang-tsan) cc_default="clang" add_cflags -fsanitize=thread -pie add_ldflags -fsanitize=thread -pie ;; clang-usan) cc_default="clang" add_cflags -fsanitize=undefined add_ldflags -fsanitize=undefined ;; gcc-asan) cc_default="gcc" add_cflags -fsanitize=address add_ldflags -fsanitize=address ;; gcc-tsan) cc_default="gcc" add_cflags -fsanitize=thread -pie -fPIC add_ldflags -fsanitize=thread -pie -fPIC ;; gcc-usan) cc_default="gcc" add_cflags -fsanitize=undefined add_ldflags -fsanitize=undefined ;; valgrind-massif) target_exec_default=${valgrind:-"valgrind"} target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc" ;; valgrind-memcheck) target_exec_default=${valgrind:-"valgrind"} target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp" ;; msvc) # Check whether the current MSVC version needs the C99 converter. # From MSVC 2013 (compiler major version 18) onwards, it does actually # support enough of C99 to build ffmpeg. Default to the new # behaviour if the regexp was unable to match anything, since this # successfully parses the version number of existing supported # versions that require the converter (MSVC 2010 and 2012). cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p') if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then cc_default="cl" else cc_default="c99wrap cl" fi ld_default="$source_path/compat/windows/mslink" nm_default="dumpbin -symbols" ar_default="lib" case "$arch" in arm*) as_default="armasm" ;; esac target_os_default="win32" # Use a relative path for TMPDIR. This makes sure all the # ffconf temp files are written with a relative path, avoiding # issues with msys/win32 path conversion for MSVC parameters # such as -Fo or -out:. TMPDIR=. ;; icl) cc_default="icl" ld_default="xilink" nm_default="dumpbin -symbols" ar_default="xilib" target_os_default="win32" TMPDIR=. ;; gcov) add_cflags -fprofile-arcs -ftest-coverage add_ldflags -fprofile-arcs -ftest-coverage ;; hardened) add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 add_cflags -fno-strict-overflow -fstack-protector-all add_ldflags -Wl,-z,relro -Wl,-z,now ;; ?*) die "Unknown toolchain $toolchain" ;; esac test -n "$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 ar_default="${cross_prefix}${ar_default}" cc_default="${cross_prefix}${cc_default}" cxx_default="${cross_prefix}${cxx_default}" nm_default="${cross_prefix}${nm_default}" pkg_config_default="${cross_prefix}${pkg_config_default}" if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then ranlib_default="${cross_prefix}${ranlib_default} -D" else ranlib_default="${cross_prefix}${ranlib_default}" fi strip_default="${cross_prefix}${strip_default}" windres_default="${cross_prefix}${windres_default}" sysinclude_default="${sysroot}/usr/include" set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \ target_exec target_os yasmexe enabled cross_compile || host_cc_default=$cc set_default host_cc pkg_config_fail_message="" if ! $pkg_config --version >/dev/null 2>&1; then warn "$pkg_config not found, library detection may fail." pkg_config=false elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then pkg_config_fail_message=" Note: When building a static binary, add --pkg-config-flags=\"--static\"." fi if test $doxygen != $doxygen_default && \ ! $doxygen --version >/dev/null 2>&1; then warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build." fi exesuf() { case $1 in mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;; esac } EXESUF=$(exesuf $target_os) HOSTEXESUF=$(exesuf $host_os) # set temporary file name : ${TMPDIR:=$TEMPDIR} : ${TMPDIR:=$TMP} : ${TMPDIR:=/tmp} if [ -n "$tempprefix" ] ; then mktemp(){ echo $tempprefix.${HOSTNAME}.${UID} } elif ! check_cmd mktemp -u XXXXXX; then # simple replacement for missing mktemp # NOT SAFE FOR GENERAL USE mktemp(){ echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$" } fi tmpfile(){ tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 && (set -C; exec > $tmp) 2>/dev/null || die "Unable to create temporary file in $TMPDIR." append TMPFILES $tmp eval $1=$tmp } trap 'rm -f -- $TMPFILES' EXIT tmpfile TMPASM .asm tmpfile TMPC .c tmpfile TMPCPP .cpp tmpfile TMPE $EXESUF tmpfile TMPH .h tmpfile TMPM .m tmpfile TMPO .o tmpfile TMPS .S tmpfile TMPSH .sh tmpfile TMPV .ver unset -f mktemp chmod +x $TMPE # make sure we can execute files in $TMPDIR cat > $TMPSH 2>> $logfile <> $logfile 2>&1 if ! $TMPSH >> $logfile 2>&1; then cat <&1 | grep -q '^GNU assembler'; then true # no-op to avoid reading stdin in following checks elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then _type=llvm_gcc gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)') _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver" _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -v 2>&1 | grep -qi ^gcc; then _type=gcc gcc_version=$($_cc --version | head -n1) gcc_basever=$($_cc -dumpversion) gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)') gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)") _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver") case $gcc_basever in 2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;; esac if [ "$first" = true ]; then case $gcc_basever in 4.2*) warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;; esac fi _cflags_speed='-O3' _cflags_size='-Os' elif $_cc --version 2>/dev/null | grep -q ^icc; then _type=icc _ident=$($_cc --version | head -n1) _depflags='-MMD' _cflags_speed='-O3' _cflags_size='-Os' _cflags_noopt='-O1' _flags_filter=icc_flags elif $_cc -v 2>&1 | grep -q xlc; then _type=xlc _ident=$($_cc -qversion 2>/dev/null | head -n1) _cflags_speed='-O5' _cflags_size='-O5 -qcompact' elif $_cc -V 2>/dev/null | grep -q Compaq; then _type=ccc _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3) _DEPFLAGS='-M' _cflags_speed='-fast' _cflags_size='-O1' _flags_filter=ccc_flags elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then test -d "$sysroot" || die "No valid sysroot specified." _type=armcc _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //') armcc_conf="$PWD/armcc.conf" $_cc --arm_linux_configure \ --arm_linux_config_file="$armcc_conf" \ --configure_sysroot="$sysroot" \ --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 || die "Error creating armcc configuration file." $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc _flags="--arm_linux_config_file=$armcc_conf --translate_gcc" as_default="${cross_prefix}gcc" _depflags='-MMD' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then _type=tms470 _ident=$($_cc -version | head -n1 | tr -s ' ') _flags='--gcc --abi=eabi -me' _cc_e='-ppl -fe=$@' _cc_o='-fe=$@' _depflags='-ppa -ppd=$(@:.o=.d)' _cflags_speed='-O3 -mf=5' _cflags_size='-O3 -mf=2' _flags_filter=tms470_flags elif $_cc -v 2>&1 | grep -q clang; then _type=clang _ident=$($_cc --version 2>/dev/null | head -n1) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -V 2>&1 | grep -q Sun; then _type=suncc _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-) _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)' _DEPFLAGS='-xM1 -xc99' _ldflags='-std=c99' _cflags_speed='-O5' _cflags_size='-O5 -xspace' _flags_filter=suncc_flags elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then _type=pathscale _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O2' _cflags_size='-Os' _flags_filter='filter_out -Wdisabled-optimization' elif $_cc -v 2>&1 | grep -q Open64; then _type=open64 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O2' _cflags_size='-Os' _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros' elif $_cc -V 2>&1 | grep -q Portland; then _type=pgi _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')" opt_common='-alias=ansi -Mdse -Mlre -Mpre' _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common" _cflags_size="-O2 -Munroll=c:1 $opt_common" _cflags_noopt="-O" _flags_filter=pgi_flags elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then _type=armasm _ident=$($_cc | head -n1) # 4509: "This form of conditional instruction is deprecated" _flags="-nologo -ignore 4509" _flags_filter=armasm_flags elif $_cc 2>&1 | grep -q Intel; then _type=icl _ident=$($_cc 2>&1 | head -n1) _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@' # Not only is O3 broken on 13.x+ but it is slower on all previous # versions (tested) as well. _cflags_speed="-O2" _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff if $_cc 2>&1 | grep -q Linker; then _ld_o='-out:$@' else _ld_o='-Fe$@' fi _cc_o='-Fo$@' _cc_e='-P' _flags_filter=icl_flags _ld_lib='lib%.a' _ld_path='-libpath:' # -Qdiag-error to make icl error when seeing certain unknown arguments _flags='-nologo -Qdiag-error:4044,10157' # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency # with MSVC which enables it by default. _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise' disable stripping elif $_cc -nologo- 2>&1 | grep -q Microsoft; then _type=msvc _ident=$($_cc 2>&1 | head -n1) _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)' _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs' _cflags_speed="-O2" _cflags_size="-O1" if $_cc -nologo- 2>&1 | grep -q Linker; then _ld_o='-out:$@' else _ld_o='-Fe$@' fi _cc_o='-Fo$@' _cc_e='-P -Fi$@' _flags_filter=msvc_flags _ld_lib='lib%.a' _ld_path='-libpath:' _flags='-nologo' _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS' disable stripping elif $_cc --version 2>/dev/null | grep -q ^cparser; then _type=cparser _ident=$($_cc --version | head -n1) _depflags='-MMD' _cflags_speed='-O4' _cflags_size='-O2' _flags_filter=cparser_flags fi eval ${pfx}_type=\$_type eval ${pfx}_ident=\$_ident } set_ccvars(){ eval ${1}_C=\${_cc_c-\${${1}_C}} eval ${1}_E=\${_cc_e-\${${1}_E}} eval ${1}_O=\${_cc_o-\${${1}_O}} if [ -n "$_depflags" ]; then eval ${1}_DEPFLAGS=\$_depflags else eval ${1}DEP=\${_DEPCMD:-\$DEPCMD} eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS} eval DEP${1}FLAGS=\$_flags fi } probe_cc cc "$cc" "true" cflags_filter=$_flags_filter cflags_speed=$_cflags_speed cflags_size=$_cflags_size cflags_noopt=$_cflags_noopt add_cflags $_flags $_cflags cc_ldflags=$_ldflags set_ccvars CC probe_cc hostcc "$host_cc" host_cflags_filter=$_flags_filter add_host_cflags $_flags $_cflags set_ccvars HOSTCC test -n "$cc_type" && enable $cc_type || warn "Unknown C compiler $cc, unable to select optimal CFLAGS" : ${as_default:=$cc} : ${dep_cc_default:=$cc} : ${ld_default:=$cc} : ${host_ld_default:=$host_cc} set_default ar as dep_cc ld host_ld windres probe_cc as "$as" asflags_filter=$_flags_filter add_asflags $_flags $_cflags set_ccvars AS probe_cc ld "$ld" ldflags_filter=$_flags_filter add_ldflags $_flags $_ldflags test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags LD_O=${_ld_o-$LD_O} LD_LIB=${_ld_lib-$LD_LIB} LD_PATH=${_ld_path-$LD_PATH} probe_cc hostld "$host_ld" host_ldflags_filter=$_flags_filter add_host_ldflags $_flags $_ldflags HOSTLD_O=${_ld_o-$HOSTLD_O} if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then probe_cc depcc "$dep_cc" CCDEP=${_DEPCMD:-$DEPCMD} CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS} DEPCCFLAGS=$_flags fi if $ar 2>&1 | grep -q Microsoft; then arflags="-nologo" ar_o='-out:$@' elif $ar 2>&1 | grep -q 'Texas Instruments'; then arflags="rq" ar_o='$@' elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then arflags='-Xany -r -c' ar_o='$@' elif $ar 2>&1 | grep -q "\[D\] "; then arflags="rcD" ar_o='$@' else arflags="rc" ar_o='$@' fi add_cflags $extra_cflags add_cxxflags $extra_cxxflags add_asflags $extra_cflags if test -n "$sysroot"; then case "$cc_type" in gcc|llvm_gcc|clang) add_cppflags --sysroot="$sysroot" add_ldflags --sysroot="$sysroot" # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking add_cppflags -isysroot "$sysroot" add_ldflags -isysroot "$sysroot" ;; tms470) add_cppflags -I"$sysinclude" add_ldflags --sysroot="$sysroot" ;; esac fi if test "$cpu" = host; then enabled cross_compile && die "--cpu=host makes no sense when cross-compiling." case "$cc_type" in gcc|llvm_gcc) check_native(){ $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return sed -n "/cc1.*$1=/{ s/.*$1=\\([^ ]*\\).*/\\1/ p q }" $TMPE } cpu=$(check_native -march || check_native -mcpu) ;; esac test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc" fi # Deal with common $arch aliases case "$arch" in aarch64|arm64) arch="aarch64" ;; arm*|iPad*|iPhone*) arch="arm" ;; mips*|IP*) arch="mips" ;; parisc*|hppa*) arch="parisc" ;; "Power Macintosh"|ppc*|powerpc*) arch="ppc" ;; s390|s390x) arch="s390" ;; sh4|sh) arch="sh4" ;; sun4u|sparc*) arch="sparc" ;; tilegx|tile-gx) arch="tilegx" ;; i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64) arch="x86" ;; esac is_in $arch $ARCH_LIST || warn "unknown architecture $arch" enable $arch # Add processor-specific flags if enabled aarch64; then case $cpu in armv*) cpuflags="-march=$cpu" ;; *) cpuflags="-mcpu=$cpu" ;; esac elif enabled alpha; then cpuflags="-mcpu=$cpu" elif enabled arm; then check_arm_arch() { check_cpp_condition stddef.h \ "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \ $cpuflags } probe_arm_arch() { if check_arm_arch 4; then echo armv4; elif check_arm_arch 4T; then echo armv4t; elif check_arm_arch 5; then echo armv5; elif check_arm_arch 5E; then echo armv5e; elif check_arm_arch 5T; then echo armv5t; elif check_arm_arch 5TE; then echo armv5te; elif check_arm_arch 5TEJ; then echo armv5te; elif check_arm_arch 6; then echo armv6; elif check_arm_arch 6J; then echo armv6j; elif check_arm_arch 6K; then echo armv6k; elif check_arm_arch 6Z; then echo armv6z; elif check_arm_arch 6ZK; then echo armv6zk; elif check_arm_arch 6T2; then echo armv6t2; elif check_arm_arch 7; then echo armv7; elif check_arm_arch 7A 7_A; then echo armv7-a; elif check_arm_arch 7S; then echo armv7-a; elif check_arm_arch 7R 7_R; then echo armv7-r; elif check_arm_arch 7M 7_M; then echo armv7-m; elif check_arm_arch 7EM 7E_M; then echo armv7-m; elif check_arm_arch 8A 8_A; then echo armv8-a; fi } [ "$cpu" = generic ] && cpu=$(probe_arm_arch) case $cpu in armv*) cpuflags="-march=$cpu" subarch=$(echo $cpu | sed 's/[^a-z0-9]//g') ;; *) cpuflags="-mcpu=$cpu" case $cpu in cortex-a*) subarch=armv7a ;; cortex-r*) subarch=armv7r ;; cortex-m*) enable thumb; subarch=armv7m ;; arm11*) subarch=armv6 ;; arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;; armv4*|arm7*|arm9[24]*) subarch=armv4 ;; *) subarch=$(probe_arm_arch) ;; esac ;; esac case "$subarch" in armv5t*) enable fast_clz ;; armv[6-8]*) enable fast_clz disabled fast_unaligned || enable fast_unaligned ;; esac elif enabled avr32; then case $cpu in ap7[02]0[0-2]) subarch="avr32_ap" cpuflags="-mpart=$cpu" ;; ap) subarch="avr32_ap" cpuflags="-march=$cpu" ;; uc3[ab]*) subarch="avr32_uc" cpuflags="-mcpu=$cpu" ;; uc) subarch="avr32_uc" cpuflags="-march=$cpu" ;; esac elif enabled bfin; then cpuflags="-mcpu=$cpu" elif enabled mips; then cpuflags="-march=$cpu" case $cpu in 24kc) disable mips32r5 disable mips64r6 disable mipsfpu disable mipsdspr1 disable mipsdspr2 disable msa ;; 24kf*) disable mips32r5 disable mips64r6 disable mipsdspr1 disable mipsdspr2 disable msa ;; 24kec|34kc|1004kc) disable mips32r5 disable mips64r6 disable mipsfpu disable mipsdspr2 disable msa ;; 24kef*|34kf*|1004kf*) disable mips32r5 disable mips64r6 disable mipsdspr2 disable msa ;; 74kc) disable mips32r5 disable mips64r6 disable mipsfpu disable msa ;; 74kf) disable mips32r5 disable mips64r6 disable msa ;; p5600) disable mips64r6 disable mipsdspr1 disable mipsdspr2 check_cflags "-mtune=p5600" ;; i6400) disable mips32r5 disable mipsdspr1 disable mipsdspr2 disable mipsfpu check_cflags "-mtune=i6400 -mabi=64" check_ldflags "-mabi=64" ;; loongson*) disable mipsfpu disable mips32r2 disable mips32r5 disable mips64r6 disable mipsdspr1 disable mipsdspr2 disable msa enable local_aligned_8 local_aligned_16 local_aligned_32 enable simd_align_16 enable fast_64bit enable fast_clz enable fast_cmov enable fast_unaligned disable aligned_stack case $cpu in loongson3*) cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations" ;; loongson2e) cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations" ;; loongson2f) cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations" ;; esac ;; generic) disable mips32r5 disable mips64r6 disable msa ;; esac elif enabled ppc; then disable ldbrx case $(tolower $cpu) in 601|ppc601|powerpc601) cpuflags="-mcpu=601" disable altivec ;; 603*|ppc603*|powerpc603*) cpuflags="-mcpu=603" disable altivec ;; 604*|ppc604*|powerpc604*) cpuflags="-mcpu=604" disable altivec ;; g3|75*|ppc75*|powerpc75*) cpuflags="-mcpu=750" disable altivec ;; g4|745*|ppc745*|powerpc745*) cpuflags="-mcpu=7450" disable vsx ;; 74*|ppc74*|powerpc74*) cpuflags="-mcpu=7400" disable vsx ;; g5|970|ppc970|powerpc970) cpuflags="-mcpu=970" disable vsx ;; power[3-6]*) cpuflags="-mcpu=$cpu" disable vsx ;; power[7-8]*) cpuflags="-mcpu=$cpu" ;; cell) cpuflags="-mcpu=cell" enable ldbrx disable vsx ;; e500mc) cpuflags="-mcpu=e500mc" disable altivec ;; e500v2) cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double" disable altivec disable dcbzl ;; e500) cpuflags="-mcpu=8540 -mhard-float" disable altivec disable dcbzl ;; esac elif enabled sparc; then case $cpu in cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789]) cpuflags="-mcpu=$cpu" ;; ultrasparc*|niagara[234]) cpuflags="-mcpu=$cpu" ;; esac elif enabled x86; then case $cpu in i[345]86|pentium) cpuflags="-march=$cpu" disable i686 disable mmx ;; # targets that do NOT support nopl and conditional mov (cmov) pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3) cpuflags="-march=$cpu" disable i686 ;; # targets that do support nopl and conditional mov (cmov) i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\ |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*) cpuflags="-march=$cpu" enable i686 enable fast_cmov ;; # targets that do support conditional mov but on which it's slow pentium4|pentium4m|prescott|nocona) cpuflags="-march=$cpu" enable i686 disable fast_cmov ;; esac fi if [ "$cpu" != generic ]; then add_cflags $cpuflags add_asflags $cpuflags fi # compiler sanity check check_exec < EOF check_cc -D_LARGEFILE_SOURCE < EOF add_host_cppflags -D_ISOC99_SOURCE check_host_cflags -std=c99 check_host_cflags -Wall check_host_cflags -O3 check_64bit(){ arch32=$1 arch64=$2 expr=$3 check_code cc "" "int test[2*($expr) - 1]" && subarch=$arch64 || subarch=$arch32 } case "$arch" in aarch64|alpha|ia64) spic=$shared ;; mips) check_64bit mips mips64 '_MIPS_SIM > 1' spic=$shared ;; parisc) check_64bit parisc parisc64 'sizeof(void *) > 4' spic=$shared ;; ppc) check_64bit ppc ppc64 'sizeof(void *) > 4' spic=$shared ;; s390) check_64bit s390 s390x 'sizeof(void *) > 4' spic=$shared ;; sparc) check_64bit sparc sparc64 'sizeof(void *) > 4' spic=$shared ;; x86) check_64bit x86_32 x86_64 'sizeof(void *) > 4' # Treat x32 as x64 for now. Note it also needs spic=$shared test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' && subarch=x86_64 if test "$subarch" = "x86_64"; then spic=$shared fi ;; ppc) check_cc < mapfile && add_ldflags -Wl,-M,mapfile nm_default='nm -P -g' ;; netbsd) disable symver oss_indev_extralibs="-lossaudio" oss_outdev_extralibs="-lossaudio" enabled gcc || check_ldflags -Wl,-zmuldefs ;; openbsd|bitrig) disable symver SHFLAGS='-shared' SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)' SLIB_INSTALL_LINKS= oss_indev_extralibs="-lossaudio" oss_outdev_extralibs="-lossaudio" ;; dragonfly) disable symver ;; freebsd) ;; bsd/os) add_extralibs -lpoll -lgnugetopt strip="strip -d" ;; darwin) enabled ppc && add_asflags -force_cpusubtype_ALL SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)' enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress strip="${strip} -x" add_ldflags -Wl,-dynamic,-search_paths_first SLIBSUF=".dylib" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)' objformat="macho" enabled x86_64 && objformat="macho64" enabled_any pic shared x86_64 || { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; } ;; mingw32*) if test $target_os = "mingw32ce"; then disable network else target_os=mingw32 fi decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32" decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32" LIBTARGET=i386 if enabled x86_64; then LIBTARGET="i386:x86-64" elif enabled arm; then LIBTARGET=arm-wince fi enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres check_ldflags -Wl,--nxcompat check_ldflags -Wl,--dynamicbase enabled x86_32 && check_ldflags -Wl,--large-address-aware shlibdir_default="$bindir_default" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' dlltool="${cross_prefix}dlltool" if check_cmd lib.exe -list; then SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' if enabled x86_64; then LIBTARGET=x64 fi elif check_cmd $dlltool --version; then SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)' fi SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base' objformat="win32" ranlib=: enable dos_paths ;; win32|win64) disable symver if enabled shared; then # Link to the import library instead of the normal static library # for shared libs. LD_LIB='%.lib' # Cannot build both shared and static libs with MSVC or icl. disable static fi enabled x86_32 && check_ldflags -LARGEADDRESSAWARE shlibdir_default="$bindir_default" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' objformat="win32" ranlib=: enable dos_paths ;; cygwin*) target_os=cygwin shlibdir_default="$bindir_default" SLIBPREF="cyg" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a' SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a' objformat="win32" enable dos_paths enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres ;; *-dos|freedos|opendos) network_extralibs="-lsocket" objformat="coff" enable dos_paths add_cppflags -U__STRICT_ANSI__ ;; linux) enable dv1394 enable section_data_rel_ro ;; irix*) target_os=irix ranlib="echo ignoring ranlib" ;; os/2*) strip="lxlite -CS" ln_s="cp -f" objformat="aout" add_cppflags -D_GNU_SOURCE add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf' LIBSUF="_s.a" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)' SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \ echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \ echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \ echo EXPORTS >> $(SUBDIR)$(NAME).def; \ emxexp $(OBJS) >> $(SUBDIR)$(NAME).def' SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \ emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;' SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib' enable dos_paths enable_weak os2threads ;; gnu/kfreebsd) add_cppflags -D_BSD_SOURCE ;; gnu) ;; qnx) add_cppflags -D_QNX_SOURCE network_extralibs="-lsocket" ;; symbian) SLIBSUF=".dll" enable dos_paths add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS add_ldflags -Wl,--target1-abs,--no-undefined \ -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \ -Wl,--entry=_E32Startup -Wl,-u,_E32Startup add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \ -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \ -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib ;; osf1) add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT ;; minix) ;; plan9) add_cppflags -D_C99_SNPRINTF_EXTENSION \ -D_REENTRANT_SOURCE \ -D_RESEARCH_SOURCE \ -DFD_SETSIZE=96 \ -DHAVE_SOCK_OPTS add_compat strtod.o strtod=avpriv_strtod network_extralibs='-lbsd' exeobjs=compat/plan9/main.o disable ffserver cp_f='cp' ;; none) ;; *) die "Unknown OS '$target_os'." ;; esac # determine libc flavour probe_libc(){ pfx=$1 pfx_no_=${pfx%_} # uclibc defines __GLIBC__, so it needs to be checked before glibc. if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then eval ${pfx}libc_type=uclibc add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then eval ${pfx}libc_type=glibc add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 # MinGW headers can be installed on Cygwin, so check for newlib first. elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then eval ${pfx}libc_type=newlib add_${pfx}cppflags -U__STRICT_ANSI__ # MinGW64 is backwards compatible with MinGW32, so check for it first. elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then eval ${pfx}libc_type=mingw64 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then add_compat msvcrt/snprintf.o add_cflags "-include $source_path/compat/msvcrt/snprintf.h" fi add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 eval test \$${pfx_no_}cc_type = "gcc" && add_${pfx}cppflags -D__printf__=__gnu_printf__ elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" || check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then eval ${pfx}libc_type=mingw32 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \ (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" || die "ERROR: MinGW32 runtime version must be >= 3.15." add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 eval test \$${pfx_no_}cc_type = "gcc" && add_${pfx}cppflags -D__printf__=__gnu_printf__ elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then eval ${pfx}libc_type=msvcrt if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then if [ "$pfx" = host_ ]; then add_host_cppflags -Dsnprintf=_snprintf else add_compat strtod.o strtod=avpriv_strtod add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \ _snprintf=avpriv_snprintf \ vsnprintf=avpriv_vsnprintf fi fi # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to # 0x601 by default unless something else is set by the user. # This can easily lead to us detecting functions only present # in such new versions and producing binaries requiring windows 7.0. # Therefore explicitly set the default to XP unless the user has # set something else on the command line. # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop # family. For these cases, configure is free to use any functions # found in the SDK headers by default. (Alternatively, we could force # _WIN32_WINNT to 0x0602 in that case.) check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" || { check_${pfx}cpp < #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) #error not desktop #endif #endif EOF elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then eval ${pfx}libc_type=klibc elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then eval ${pfx}libc_type=bionic elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then eval ${pfx}libc_type=solaris add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 fi check_${pfx}cc < void *v = localtime_r; EOF test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 < void *v = localtime_r; EOF } probe_libc test -n "$libc_type" && enable libc_$libc_type probe_libc host_ test -n "$host_libc_type" && enable host_libc_$host_libc_type case $libc_type in bionic) add_compat strtod.o strtod=avpriv_strtod ;; esac # hacks for compiler/libc/os combinations if enabled_all tms470 libc_glibc; then CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}" add_cppflags -D__USER_LABEL_PREFIX__= add_cppflags -D__builtin_memset=memset add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED add_cflags -pds=48 # incompatible redefinition of macro fi if enabled_all ccc libc_glibc; then add_ldflags -Wl,-z,now # calls to libots crash without this fi check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" || add_cppflags '-I\$(SRC_PATH)/compat/float' esc(){ echo "$*" | sed 's/%/%25/g;s/:/%3a/g' } echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic set_default libdir : ${shlibdir_default:="$libdir"} : ${pkgconfigdir_default:="$libdir/pkgconfig"} set_default $PATHS_LIST set_default nm # we need to build at least one lib type if ! enabled_any static shared; then cat <= 30"; then enable vfp_args elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then case "${cross_prefix:-$cc}" in *hardfloat*) enable vfp_args; fpabi=vfp ;; *) check_ld "cc" <= 2.0.0" aacplus.h aacplusEncOpen -laacplus enabled libass && require_pkg_config libass ass/ass.h ass_library_init enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 && { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 || die "ERROR: libcelt must be installed and version must be >= 0.11.0."; } enabled libcaca && require_pkg_config caca caca.h caca_create_canvas enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create && check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen || { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac && warn "using libfdk without pkg-config"; } } flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite" enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs enabled fontconfig && enable libfontconfig enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit enabled libfreetype && require_libfreetype enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++ enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do check_lib "${gsm_hdr}" gsm_create -lgsm && break; done || die "ERROR: libgsm not found"; } enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc enabled libkvazaar && require_pkg_config kvazaar kvazaar.h kvz_api_get enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame 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 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC || check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC || check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC || die "ERROR: libopenjpeg not found"; } enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init || require smbclient libsmbclient.h smbc_init -lsmbclient; } enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame && { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame || die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; } enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++ enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg enabled libvpx && { enabled libvpx_vp8_decoder && { use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx || check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx || die "ERROR: libvpx decoder version must be >=0.9.1"; } enabled libvpx_vp8_encoder && { use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx || check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx || die "ERROR: libvpx encoder version must be >=0.9.7"; } enabled libvpx_vp9_decoder && { use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx || check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; } enabled libvpx_vp9_encoder && { use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx || check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then die "libvpx enabled but no supported decoders found" fi } enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack enabled libwebp && { enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } } enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode || { require libx264 x264.h x264_encoder_encode -lx264 && warn "using libx264 without pkg-config"; } } && { check_cpp_condition x264.h "X264_BUILD >= 118" || die "ERROR: libx264 must be installed and version must be >= 0.118."; } && { check_cpp_condition x264.h "X264_MPEG2" && enable libx262; } enabled libx265 && require_pkg_config x265 x265.h x265_api_get && { check_cpp_condition x265.h "X265_BUILD >= 57" || die "ERROR: libx265 version must be >= 57."; } enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host || { ! enabled cross_compile && { add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ; add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ; check_lib interface/mmal/mmal.h mmal_port_connect ; } check_lib interface/mmal/mmal.h mmal_port_connect ; } || die "ERROR: mmal not found"; } enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } && { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" || die "ERROR: NVENC API version 4 or older is not supported"; } && { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; } enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } || die "ERROR: openal not found"; } && { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" || die "ERROR: openal must be installed and version must be 1.1 or compatible"; } enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL || check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL || die "ERROR: opencl not found"; } && { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" || check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" || die "ERROR: opencl must be installed and version must be 1.2 or compatible"; } enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" || check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" || check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" || check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" || die "ERROR: opengl not found." } enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto || check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 || check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 || die "ERROR: openssl not found"; } enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; } if enabled gnutls; then { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } || { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; } fi # libdc1394 check if enabled libdc1394; then { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new && enable libdc1394_2; } || { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 && enable libdc1394_1; } || die "ERROR: No version of libdc1394 found " fi if ! disabled sdl; then SDL_CONFIG="${cross_prefix}sdl-config" if check_pkg_config sdl SDL_events.h SDL_PollEvent; then check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags && check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags && enable sdl else if "${SDL_CONFIG}" --version > /dev/null 2>&1; then sdl_cflags=$("${SDL_CONFIG}" --cflags) sdl_libs=$("${SDL_CONFIG}" --libs) check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs && check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags && check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags && enable sdl elif enabled sdl ; then die "ERROR: SDL not found" else disable sdl fi fi if test $target_os = "mingw32"; then sdl_libs="$sdl_libs -mconsole" fi fi enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" && check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" && enable securetransport; } makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo enabled makeinfo \ && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \ && enable makeinfo_html || disable makeinfo_html disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html perl -v > /dev/null 2>&1 && enable perl || disable perl pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout check_header linux/fb.h check_header linux/videodev.h check_header linux/videodev2.h check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete check_header sys/videoio.h check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs" # check that WM_CAP_DRIVER_CONNECT is defined to the proper value # w32api 3.12 had it defined wrong check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines check_type "dshow.h" IBaseFilter # check for ioctl_meteor.h, ioctl_bt848.h and alternatives { check_header dev/bktr/ioctl_meteor.h && check_header dev/bktr/ioctl_bt848.h; } || { check_header machine/ioctl_meteor.h && check_header machine/ioctl_bt848.h; } || { check_header dev/video/meteor/ioctl_meteor.h && check_header dev/video/bktr/ioctl_bt848.h; } || check_header dev/ic/bt8xx.h check_header sndio.h if check_struct sys/soundcard.h audio_buf_info bytes; then enable_safe sys/soundcard.h else check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE < audio_buf_info abc; EOF fi check_header soundcard.h enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait && check_func jack_port_get_latency_range -ljack enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio if enabled libcdio; then check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || die "ERROR: No usable libcdio/cdparanoia found" fi enabled xlib && check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib if ! disabled libxcb; then check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || { enabled libxcb && die "ERROR: libxcb >= 1.4 not found"; } && disable x11grab && enable libxcb if enabled libxcb; then disabled libxcb_shm || { check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || { enabled libxcb_shm && die "ERROR: libxcb_shm not found"; } && check_header sys/shm.h && enable libxcb_shm; } disabled libxcb_xfixes || { check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || { enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found"; } && enable libxcb_xfixes; } disabled libxcb_shape || { check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || { enabled libxcb_shape && die "ERROR: libxcb_shape not found"; } && enable libxcb_shape; } add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs fi fi if enabled x11grab; then enabled xlib || die "ERROR: Xlib not found" require Xext X11/extensions/XShm.h XShmCreateImage -lXext require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes fi check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs" enabled dxva2api_h && check_cc < #include #include int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; } EOF enabled vaapi && check_lib va/va.h vaInitialize -lva || disable vaapi enabled vaapi && enabled xlib && check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 && enable vaapi_x11 enabled vdpau && check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" || disable vdpau enabled vdpau && enabled xlib && check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau && prepend ffmpeg_libs $($ldflags_filter "-lvdpau") && enable vdpau_x11 # Funny iconv installations are not unusual, so check it after all flags have been set disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel" # add some useful compiler flags if supported check_cflags -Wdeclaration-after-statement check_cflags -Wall check_cflags -Wdisabled-optimization check_cflags -Wpointer-arith check_cflags -Wredundant-decls check_cflags -Wwrite-strings check_cflags -Wtype-limits check_cflags -Wundef check_cflags -Wmissing-prototypes check_cflags -Wno-pointer-to-int-cast check_cflags -Wstrict-prototypes check_cflags -Wempty-body enabled extra_warnings && check_cflags -Winline check_disable_warning(){ warning_flag=-W${1#-Wno-} test_cflags $warning_flag && add_cflags $1 } check_disable_warning -Wno-parentheses check_disable_warning -Wno-switch check_disable_warning -Wno-format-zero-length check_disable_warning -Wno-pointer-sign # add some linker flags check_ldflags -Wl,--warn-common check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample enabled rpath && add_ldexeflags -Wl,-rpath,$libdir enabled rpath && add_ldlibflags -Wl,-rpath,$libdir test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic # add some strip flags # -wN '..@*' is more selective than -x, but not available everywhere. check_stripflags -wN \'..@*\' || check_stripflags -x enabled neon_clobber_test && check_ldflags -Wl,--wrap,avcodec_open2 \ -Wl,--wrap,avcodec_decode_audio4 \ -Wl,--wrap,avcodec_decode_video2 \ -Wl,--wrap,avcodec_decode_subtitle2 \ -Wl,--wrap,avcodec_encode_audio2 \ -Wl,--wrap,avcodec_encode_video2 \ -Wl,--wrap,avcodec_encode_subtitle \ -Wl,--wrap,swr_convert \ -Wl,--wrap,avresample_convert || disable neon_clobber_test enabled xmm_clobber_test && check_ldflags -Wl,--wrap,avcodec_open2 \ -Wl,--wrap,avcodec_decode_audio4 \ -Wl,--wrap,avcodec_decode_video2 \ -Wl,--wrap,avcodec_decode_subtitle2 \ -Wl,--wrap,avcodec_encode_audio2 \ -Wl,--wrap,avcodec_encode_video \ -Wl,--wrap,avcodec_encode_video2 \ -Wl,--wrap,avcodec_encode_subtitle \ -Wl,--wrap,swr_convert \ -Wl,--wrap,avresample_convert \ -Wl,--wrap,sws_scale || disable xmm_clobber_test echo "X{};" > $TMPV if test_ldflags -Wl,--version-script,$TMPV; then append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver' check_cc <= 1400" && add_cflags -Qansi-alias # Some inline asm is not compilable in debug if enabled debug; then disable ebp_available disable ebx_available fi fi # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2. check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2 # The CRT headers contain __declspec(restrict) in a few places, but if redefining # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict) # (as it ends up if the restrict redefine is done before including stdlib.h), while # MSVC 2013 and newer can handle it fine. # If this declspec fails, force including stdlib.h before the restrict redefinition # happens in config.h. if [ $_restrict != restrict ]; then check_cc < enable ${lib}_deps_${dep} # -> add $dep to ${lib}_deps only once add_dep() { lib=$1 dep=$2 enabled "${lib}_deps_${dep}" && return 0 enable "${lib}_deps_${dep}" prepend "${lib}_deps" $dep } # merge deps lib components # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_* merge_deps() { lib=$1 shift for comp in $*; do enabled $comp || continue eval "dep=\"\$${comp}_deps\"" for d in $dep; do add_dep $lib $d done done } merge_deps libavfilter $FILTER_LIST map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST for thread in $THREADS_LIST; do if enabled $thread; then test -n "$thread_type" && die "ERROR: Only one thread type must be selected." || thread_type="$thread" fi done enabled zlib && add_cppflags -DZLIB_CONST # conditional library dependencies, in linking order enabled amovie_filter && prepend avfilter_deps "avformat avcodec" enabled aresample_filter && prepend avfilter_deps "swresample" enabled asyncts_filter && prepend avfilter_deps "avresample" enabled atempo_filter && prepend avfilter_deps "avcodec" enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec" enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample" enabled elbg_filter && prepend avfilter_deps "avcodec" enabled fftfilt_filter && prepend avfilter_deps "avcodec" enabled find_rect_filter && prepend avfilter_deps "avformat avcodec" enabled mcdeint_filter && prepend avfilter_deps "avcodec" enabled movie_filter && prepend avfilter_deps "avformat avcodec" enabled pan_filter && prepend avfilter_deps "swresample" enabled pp_filter && prepend avfilter_deps "postproc" enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale" enabled resample_filter && prepend avfilter_deps "avresample" enabled sab_filter && prepend avfilter_deps "swscale" enabled scale_filter && prepend avfilter_deps "swscale" enabled scale2ref_filter && prepend avfilter_deps "swscale" enabled showspectrum_filter && prepend avfilter_deps "avcodec" enabled smartblur_filter && prepend avfilter_deps "swscale" enabled subtitles_filter && prepend avfilter_deps "avformat avcodec" enabled uspp_filter && prepend avfilter_deps "avcodec" enabled lavfi_indev && prepend avdevice_deps "avfilter" enabled opus_decoder && prepend avcodec_deps "swresample" expand_deps(){ lib_deps=${1}_deps eval "deps=\$$lib_deps" append $lib_deps $(map 'eval echo \$${v}_deps' $deps) unique $lib_deps } #we have to remove gpl from the deps here as some code assumes all lib deps are libs postproc_deps="$(filter_out 'gpl' $postproc_deps)" map 'expand_deps $v' $LIBRARY_LIST echo "install prefix $prefix" echo "source path $source_path" echo "C compiler $cc" echo "C library $libc_type" if test "$host_cc" != "$cc"; then echo "host C compiler $host_cc" echo "host C library $host_libc_type" fi echo "ARCH $arch ($cpu)" if test "$build_suffix" != ""; then echo "build suffix $build_suffix" fi if test "$progs_suffix" != ""; then echo "progs suffix $progs_suffix" fi if test "$extra_version" != ""; then echo "version string suffix $extra_version" fi echo "big-endian ${bigendian-no}" echo "runtime cpu detection ${runtime_cpudetect-no}" if enabled x86; then echo "${yasmexe} ${yasm-no}" echo "MMX enabled ${mmx-no}" echo "MMXEXT enabled ${mmxext-no}" echo "3DNow! enabled ${amd3dnow-no}" echo "3DNow! extended enabled ${amd3dnowext-no}" echo "SSE enabled ${sse-no}" echo "SSSE3 enabled ${ssse3-no}" echo "AVX enabled ${avx-no}" echo "XOP enabled ${xop-no}" echo "FMA3 enabled ${fma3-no}" echo "FMA4 enabled ${fma4-no}" echo "i686 features enabled ${i686-no}" echo "CMOV is fast ${fast_cmov-no}" echo "EBX available ${ebx_available-no}" echo "EBP available ${ebp_available-no}" fi if enabled aarch64; then echo "NEON enabled ${neon-no}" echo "VFP enabled ${vfp-no}" fi if enabled arm; then echo "ARMv5TE enabled ${armv5te-no}" echo "ARMv6 enabled ${armv6-no}" echo "ARMv6T2 enabled ${armv6t2-no}" echo "VFP enabled ${vfp-no}" echo "NEON enabled ${neon-no}" echo "THUMB enabled ${thumb-no}" fi if enabled mips; then echo "MIPS FPU enabled ${mipsfpu-no}" echo "MIPS32R5 enabled ${mips32r5-no}" echo "MIPS64R6 enabled ${mips64r6-no}" echo "MIPS DSP R1 enabled ${mipsdspr1-no}" echo "MIPS DSP R2 enabled ${mipsdspr2-no}" echo "MIPS MSA enabled ${msa-no}" echo "LOONGSON MMI enabled ${mmi-no}" fi if enabled ppc; then echo "AltiVec enabled ${altivec-no}" echo "VSX enabled ${vsx-no}" echo "POWER8 enabled ${power8-no}" echo "PPC 4xx optimizations ${ppc4xx-no}" echo "dcbzl available ${dcbzl-no}" fi echo "debug symbols ${debug-no}" echo "strip symbols ${stripping-no}" echo "optimize for size ${small-no}" echo "optimizations ${optimizations-no}" echo "static ${static-no}" echo "shared ${shared-no}" echo "postprocessing support ${postproc-no}" echo "new filter support ${avfilter-no}" echo "network support ${network-no}" echo "threading support ${thread_type-no}" echo "safe bitstream reader ${safe_bitstream_reader-no}" echo "SDL support ${sdl-no}" echo "opencl enabled ${opencl-no}" echo "texi2html enabled ${texi2html-no}" echo "perl enabled ${perl-no}" echo "pod2man enabled ${pod2man-no}" echo "makeinfo enabled ${makeinfo-no}" echo "makeinfo supports HTML ${makeinfo_html-no}" test -n "$random_seed" && echo "random seed ${random_seed}" echo echo "External libraries:" print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns echo for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do echo "Enabled ${type}s:" eval list=\$$(toupper $type)_LIST print_enabled '_*' $list | print_3_columns echo done license="LGPL version 2.1 or later" if enabled nonfree; then license="nonfree and unredistributable" elif enabled gplv3; then license="GPL version 3 or later" elif enabled lgplv3; then license="LGPL version 3 or later" elif enabled gpl; then license="GPL version 2 or later" fi echo "License: $license" echo "Creating config.mak, config.h, and doc/config.texi..." test -e Makefile || echo "include $source_path/Makefile" > Makefile enabled stripping || strip="echo skipping strip" config_files="$TMPH config.mak doc/config.texi" cat > config.mak <> config.mak eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak } map 'get_version $v' $LIBRARY_LIST map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST print_program_libs(){ eval "program_libs=\$${1}_libs" eval echo "LIBS-${1}=${program_libs}" >> config.mak } map 'print_program_libs $v' $PROGRAM_LIST cat > $TMPH <>$TMPH test -n "$malloc_prefix" && echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH if enabled yasm; then append config_files $TMPASM printf '' >$TMPASM fi enabled getenv || echo "#define getenv(x) NULL" >> $TMPH mkdir -p doc mkdir -p tests mkdir -p tests/api echo "@c auto-generated by configure" > doc/config.texi print_config ARCH_ "$config_files" $ARCH_LIST print_config HAVE_ "$config_files" $HAVE_LIST print_config CONFIG_ "$config_files" $CONFIG_LIST \ $CONFIG_EXTRA \ $ALL_COMPONENTS \ echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH echo "endif # FFMPEG_CONFIG_MAK" >> config.mak # Do not overwrite an unchanged config.h to avoid superfluous rebuilds. cp_if_changed $TMPH config.h touch .config enabled yasm && cp_if_changed $TMPASM config.asm cat > $TMPH <> $TMPH cp_if_changed $TMPH libavutil/avconfig.h if test -n "$WARNINGS"; then printf "\n$WARNINGS" enabled fatal_warnings && exit 1 fi # build pkg-config files lib_version(){ eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \"" } pkgconfig_generate(){ name=$1 shortname=${name#lib}${build_suffix} comment=$2 version=$3 libs=$4 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps)) requires=${requires%, } enabled ${name#lib} || return 0 mkdir -p $name cat < $name/$name${build_suffix}.pc prefix=$prefix exec_prefix=\${prefix} libdir=$libdir includedir=$incdir Name: $name Description: $comment Version: $version Requires: $(enabled shared || echo $requires) Requires.private: $(enabled shared && echo $requires) Conflicts: Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs) Libs.private: $(enabled shared && echo $libs) Cflags: -I\${includedir} EOF mkdir -p doc/examples/pc-uninstalled includedir=${source_path} [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.." cat < doc/examples/pc-uninstalled/$name.pc prefix= exec_prefix= libdir=\${pcfiledir}/../../../$name includedir=${includedir} Name: $name Description: $comment Version: $version Requires: $requires Conflicts: Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs) Cflags: -I\${includedir} EOF } pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM" pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM" pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"