mirror of
https://github.com/ultravideo/uvg266.git
synced 2024-11-27 19:24:06 +00:00
b1adf1576a
Add an even stricter motion vector constraint to prevent motion vectors to fractional pixel positions that would need pixels outside the tile.
139 lines
4.2 KiB
Plaintext
139 lines
4.2 KiB
Plaintext
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AC_INIT([kvazaar], m4_esyscmd([printf $(awk '/#define KVZ_VERSION/ { print $3 }' src/global.h)]))
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AC_CONFIG_SRCDIR([src/encmain.c])
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# Library version number, modify:
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# - When modifying kvazaar.h.
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# - Modify either major or minor.
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# - When making a new release.
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# - If major or minor did not change since last release.
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# - Check git history to see if someone forgot to increment major or minor.
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# - Increment release.
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#
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# major:
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# - Increment when ABI changes, meaning lib users need to be recompiled.
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# - ABI changes when anything existing gets modified, including sizes of structs.
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# minor:
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# - Increment when only API changes in a backwards compatible way without breaking ABI.
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# - We count adding parameters to bottom of kvz_config as ABI compatible, because user
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# shouldn't copy that struct or care about it's size.
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# - If not sure, increment major instead.
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# release:
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# - Increment when making new releases and major or minor was not changed since last release.
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#
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# Here is a somewhat sane guide to lib versioning: http://apr.apache.org/versioning.html
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ver_major=3
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ver_minor=4
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ver_release=0
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# not used, but it prevents configure from adding a lot of defines to the CFLAGS
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_MACRO_DIR([m4])
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AC_CONFIG_AUX_DIR([build-aux])
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AM_INIT_AUTOMAKE([-Wall -Werror dist-bzip2 dist-xz foreign subdir-objects])
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AM_SILENT_RULES([yes])
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AC_PROG_CC
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AC_PROG_CC_C99
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AM_PROG_AR
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# Get fread that can read more than 2GB on 32 bit systems.
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AC_SYS_LARGEFILE
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LT_INIT([win32-dll])
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AX_CHECK_COMPILE_FLAG([-mavx2], [flag_avx2="true"])
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AX_CHECK_COMPILE_FLAG([-msse4.1], [flag_sse4_1="true"])
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AX_CHECK_COMPILE_FLAG([-msse2], [flag_sse2="true"])
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AM_CONDITIONAL([HAVE_AVX2], [test x"$flag_avx2" = x"true"])
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AM_CONDITIONAL([HAVE_SSE4_1], [test x"$flag_sse4_1" = x"true"])
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AM_CONDITIONAL([HAVE_SSE2], [test x"$flag_sse2" = x"true"])
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AX_PTHREAD
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CFLAGS="-Wall -Wtype-limits -Wvla -I$srcdir/src -ftree-vectorize -fvisibility=hidden $PTHREAD_CFLAGS $CFLAGS"
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CPPFLAGS="-DKVZ_DLL_EXPORTS $CPPFLAGS"
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AC_SEARCH_LIBS([log], [m c], [], [exit 1])
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AC_SEARCH_LIBS([pow], [m c], [], [exit 1])
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AC_SEARCH_LIBS([sqrt], [m c], [], [exit 1])
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LIBS="$PTHREAD_LIBS $LIBS"
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# --disable-werror
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AC_ARG_ENABLE([werror], [AS_HELP_STRING([--disable-werror], [don't treat warnings as errors [no]])],
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[], [CFLAGS="-Werror $CFLAGS"]
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)
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# check for getopt
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AC_CHECK_HEADER([getopt.h], [], [CFLAGS="$CFLAGS -I$srcdir/src/extras"])
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# host and cpu specific settings
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AS_CASE([$host_cpu],
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[i?86], [BITS="32" ASFLAGS="$ASFLAGS -DARCH_X86_64=0" X86="true"],
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[x86_64], [BITS="64" ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -m amd64" X86="true"],
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[powerpc*], [PPC="true"]
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)
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AS_CASE([$host_os],
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[darwin*], [
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ASFLAGS="$ASFLAGS -f macho$BITS -DPREFIX"
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],
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[cygwin*|msys*|mingw*], [
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CFLAGS="$CFLAGS -D__USE_MINGW_ANSI_STDIO=1"
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AS_IF(
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[test "x$BITS" = "x32"], [
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ASFLAGS="$ASFLAGS -fwin32 -DPREFIX -DHAVE_ALIGNED_STACK=0"
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], [
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ASFLAGS="$ASFLAGS -fwin64 -DHAVE_ALIGNED_STACK=1"
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]
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)
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],
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[linux*|*kfreebsd*], [
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ASFLAGS="$ASFLAGS -f elf$BITS"
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LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
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LIBS="$LIBS -lrt"
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], [
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ASFLAGS="$ASFLAGS -f elf$BITS"
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LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
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]
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)
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# YASM checks
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AS_IF([test "x$X86" = "xtrue"], [
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AC_CHECK_TOOL([YASM], [yasm], [no])
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])
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AS_IF([test "x$YASM" != "xno"], [have_yasm="yes"])
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AC_ARG_ENABLE([asm], [AS_HELP_STRING([--disable-asm], [disable assembly [no]])],
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[], [enable_asm="yes"]
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)
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AS_IF([test "x$enable_asm" != "xno" -a $have_yasm != "yes"],
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[enable_asm="no"]
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)
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AM_CONDITIONAL([HAVE_X86], [test "x$X86" = "xtrue"])
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AM_CONDITIONAL([HAVE_PPC], [test "x$PPC" = "xtrue"])
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AM_CONDITIONAL([HAVE_ARM], [test "x$ARM" = "xtrue"])
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AM_CONDITIONAL([ENABLE_ASM], [test "x$enable_asm" = "xyes" -a "x$have_yasm" = "xyes" ])
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AC_ARG_VAR([ASFLAGS], [ASFLAGS to use for assembler])
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AC_SUBST([ASFLAGS])
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KVZ_API_VERSION="$ver_major:$ver_minor:$ver_release"
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AC_SUBST([KVZ_API_VERSION])
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AC_CONFIG_FILES([Makefile
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src/Makefile
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src/kvazaar.pc
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tests/Makefile])
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AC_OUTPUT
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