Update configure for auto detection of system libx264 configuration
authorAnton Mitrofanov <BugMaster@narod.ru>
Tue, 30 Dec 2014 23:15:05 +0000 (02:15 +0300)
committerAnton Mitrofanov <BugMaster@narod.ru>
Mon, 23 Feb 2015 17:09:33 +0000 (20:09 +0300)
Makefile
configure
filters/video/depth.c
x264.c

index 37d6531..9804e5f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -267,7 +267,7 @@ clean:
        rm -f $(SRC2:%.c=%.gcda) $(SRC2:%.c=%.gcno) *.dyn pgopti.dpi pgopti.dpi.lock *.pgd *.pgc
 
 distclean: clean
-       rm -f config.mak x264_config.h config.h config.log x264.pc x264.def
+       rm -f config.mak x264_config.h config.h config.log x264.pc x264.def conftest*
 
 install-cli: cli
        $(INSTALL) -d $(DESTDIR)$(bindir)
index 2916036..15b1c91 100755 (executable)
--- a/configure
+++ b/configure
@@ -77,7 +77,7 @@ cc_cflags() {
     # several non gcc compilers issue an incredibly large number of warnings on any warning level,
     # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
     for arg in $*; do
-        [ $arg = -ffast-math ] && arg=
+        [ "$arg" = -ffast-math ] && arg=
         [[ "$arg" = -falign-loops* ]] && arg=
         [ "$arg" = -fno-tree-vectorize ] && arg=
         [ "$arg" = -Wshadow ] && arg=
@@ -105,10 +105,10 @@ cc_cflags() {
 cl_ldflags() {
     for arg in $*; do
         arg=${arg/LIBPATH/libpath}
-        [ ${arg#-libpath:} == $arg -a ${arg#-l} != $arg ] && arg=${arg#-l}.lib
-        [ ${arg#-L} != $arg ] && arg=-libpath:${arg#-L}
-        [ $arg = -Wl,--large-address-aware ] && arg=-largeaddressaware
-        [ $arg = -s ] && arg=
+        [ "${arg#-libpath:}" == "$arg" -a "${arg#-l}" != "$arg" ] && arg=${arg#-l}.lib
+        [ "${arg#-L}" != "$arg" ] && arg=-libpath:${arg#-L}
+        [ "$arg" = -Wl,--large-address-aware ] && arg=-largeaddressaware
+        [ "$arg" = -s ] && arg=
         [ "$arg" = -Wl,-Bsymbolic ] && arg=
         [ "$arg" = -fno-tree-vectorize ] && arg=
         [ "$arg" = -Werror ] && arg=
@@ -119,6 +119,7 @@ cl_ldflags() {
         arg=${arg/pthreadGC/pthreadVC}
         [ "$arg" = avifil32.lib ] && arg=vfw32.lib
         [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
+        [ "$arg" = x264.lib ] && arg=libx264.lib
 
         [ -n "$arg" ] && echo -n "$arg "
     done
@@ -143,7 +144,9 @@ cc_check() {
         log_check "for $3 in $1";
     fi
     rm -f conftest.c
-    [ -n "$1" ] && echo "#include <$1>" > conftest.c
+    for arg in $1; do
+        echo "#include <$arg>" >> conftest.c
+    done
     echo "int main (void) { $3 return 0; }" >> conftest.c
     if [ $compiler_style = MS ]; then
         cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
@@ -172,7 +175,9 @@ cc_check() {
 cpp_check() {
     log_check "whether $3 is true"
     rm -f conftest.c
-    [ -n "$1" ] && echo "#include <$1>" > conftest.c
+    for arg in $1; do
+        echo "#include <$arg>" >> conftest.c
+    done
     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
     if [ $compiler_style = MS ]; then
         cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
@@ -256,6 +261,54 @@ die() {
     exit 1
 }
 
+configure_system_override() {
+    log_check "system libx264 configuration"
+    x264_config_path=
+    for arg in $1; do
+        if [ "${arg#-I}" != "$arg" -a -e "${arg#-I}/x264_config.h" ]; then
+            x264_config_path=${arg#-I}/x264_config.h
+            break
+        fi
+    done
+    if [ -n "$x264_config_path" ]; then
+        res=$?
+        log_ok
+        arg=$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')
+        if [ -n "$arg" ]; then
+            [ "$arg" = 0 ] && arg="no" || arg="yes"
+            [ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
+        fi
+        arg=$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')
+        if [ -n "$arg" ]; then
+            if [ "$arg" != "$bit_depth" ]; then
+                echo "Override output bit depth with system libx264 configuration"
+                bit_depth=$arg
+            fi
+        fi
+        arg=$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')
+        if [ -n "$arg" ]; then
+            [ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
+            if [ "$arg" != "$chroma_format" ]; then
+                echo "Override output chroma format with system libx264 configuration"
+                chroma_format=$arg
+            fi
+        fi
+        arg=$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')
+        if [ -n "$arg" ]; then
+            [ "$arg" = 0 ] && arg="no" || arg="yes"
+            if [ "$arg" != "$interlaced" ]; then
+                echo "Override interlaced encoding support with system libx264 configuration"
+                interlaced=$arg
+            fi
+        fi
+    else
+        res=$?
+        log_fail
+        log_msg "Failed search path was: $1"
+    fi
+    return $res
+}
+
 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
 
 SRCPATH="$(cd $(dirname $0); pwd)"
@@ -458,6 +511,8 @@ host="${host#*-}"
 host_vendor="${host%%-*}"
 host_os="${host#*-}"
 
+trap 'rm -f conftest*' EXIT
+
 # test for use of compilers that require specific handling
 cc_base=`basename "$CC"`
 QPRE="-"
@@ -825,6 +880,17 @@ if [ $compiler = GNU ]; then
     fi
 fi
 
+if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
+    [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
+    if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
+        X264_LIBS="$X264_LIBS $(${cross_prefix}pkg-config --libs x264)"
+        X264_CFLAGS="$X264_CFLAGS $(${cross_prefix}pkg-config --cflags x264)"
+        configure_system_override "$X264_CFLAGS" || die "Detection of system libx264 configuration failed"
+    else
+        die "Can not find system libx264"
+    fi
+fi
+
 # autodetect options that weren't forced nor disabled
 
 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
@@ -1137,6 +1203,31 @@ for var in $CONFIG_HAVE; do
     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
 done
 
+# generate exported config file
+
+config_chroma_format="X264_CSP_I$chroma_format"
+[ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
+cat > x264_config.h << EOF
+#define X264_BIT_DEPTH     $bit_depth
+#define X264_GPL           $x264_gpl
+#define X264_INTERLACED    $x264_interlaced
+#define X264_CHROMA_FORMAT $config_chroma_format
+EOF
+
+${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
+
+if [ "$cli_libx264" = "system" ] ; then
+    if [ "$shared" = "yes" ]; then
+        CLI_LIBX264='$(SONAME)'
+    else
+        CLI_LIBX264=
+        LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
+        cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
+    fi
+else
+    CLI_LIBX264='$(LIBX264)'
+fi
+
 DEPMM="${QPRE}MM"
 DEPMT="${QPRE}MT"
 if [ $compiler_style = MS ]; then
@@ -1189,19 +1280,6 @@ else
     PROF_USE_LD="-fprofile-use"
 fi
 
-rm -f conftest*
-
-# generate exported config file
-
-config_chroma_format="X264_CSP_I$chroma_format"
-[ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
-cat > x264_config.h << EOF
-#define X264_BIT_DEPTH     $bit_depth
-#define X264_GPL           $x264_gpl
-#define X264_INTERLACED    $x264_interlaced
-#define X264_CHROMA_FORMAT $config_chroma_format
-EOF
-
 # generate config files
 
 cat > config.mak << EOF
@@ -1290,23 +1368,9 @@ if [ "$static" = "yes" ]; then
     echo 'install: install-lib-static' >> config.mak
 fi
 
-if [ "$cli_libx264" = "system" ] ; then
-    if [ "$shared" = "yes" ]; then
-        CLI_LIBX264='$(SONAME)'
-    elif ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
-        LDFLAGSCLI="$LDFLAGSCLI $(${cross_prefix}pkg-config --libs x264)"
-        CLI_LIBX264=
-    else
-        die "Can not find system libx264"
-    fi
-else
-    CLI_LIBX264='$(LIBX264)'
-fi
 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
 
-${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
-
 cat > x264.pc << EOF
 prefix=$prefix
 exec_prefix=$exec_prefix
@@ -1354,7 +1418,6 @@ EOF
 echo >> config.log
 cat conftest.log >> config.log
 cat conftest.log
-rm conftest.log
 
 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
index fe32f34..88de95a 100644 (file)
@@ -73,10 +73,10 @@ static int csp_num_interleaved( int csp, int plane )
 static void dither_plane_##pitch( pixel *dst, int dst_stride, uint16_t *src, int src_stride, \
                                   int width, int height, int16_t *errors ) \
 { \
-    const int lshift = 16-BIT_DEPTH; \
-    const int rshift = 16-BIT_DEPTH+2; \
-    const int half = 1 << (16-BIT_DEPTH+1); \
-    const int pixel_max = (1 << BIT_DEPTH)-1; \
+    const int lshift = 16-X264_BIT_DEPTH; \
+    const int rshift = 16-X264_BIT_DEPTH+2; \
+    const int half = 1 << (16-X264_BIT_DEPTH+1); \
+    const int pixel_max = (1 << X264_BIT_DEPTH)-1; \
     memset( errors, 0, (width+1) * sizeof(int16_t) ); \
     for( int y = 0; y < height; y++, src += src_stride, dst += dst_stride ) \
     { \
@@ -136,7 +136,7 @@ static void dither_image( cli_image_t *out, cli_image_t *img, int16_t *error_buf
 static void scale_image( cli_image_t *output, cli_image_t *img )
 {
     int csp_mask = img->csp & X264_CSP_MASK;
-    const int shift = BIT_DEPTH - 8;
+    const int shift = X264_BIT_DEPTH - 8;
     for( int i = 0; i < img->planes; i++ )
     {
         uint8_t *src = img->plane[i];
@@ -216,7 +216,7 @@ static int init( hnd_t *handle, cli_vid_filter_t *filter, video_info_t *info,
             ret = 1;
     }
 
-    FAIL_IF_ERROR( bit_depth != BIT_DEPTH, "this build supports only bit depth %d\n", BIT_DEPTH )
+    FAIL_IF_ERROR( bit_depth != X264_BIT_DEPTH, "this build supports only bit depth %d\n", X264_BIT_DEPTH )
     FAIL_IF_ERROR( ret, "unsupported bit depth conversion.\n" )
 
     /* only add the filter to the chain if it's needed */
diff --git a/x264.c b/x264.c
index 5c3df0f..cc8ace1 100644 (file)
--- a/x264.c
+++ b/x264.c
@@ -209,6 +209,13 @@ static const char * const output_csp_names[] =
 #endif
     0
 };
+static const char * const chroma_format_names[] =
+{
+    [0] = "all",
+    [X264_CSP_I420] = "i420",
+    [X264_CSP_I422] = "i422",
+    [X264_CSP_I444] = "i444"
+};
 
 static const char * const range_names[] = { "auto", "tv", "pc", 0 };
 
@@ -325,7 +332,8 @@ static void print_version_info( void )
 #else
     printf( "using an unknown compiler\n" );
 #endif
-    printf( "configuration: --bit-depth=%d --chroma-format=%s\n", x264_bit_depth, X264_CHROMA_FORMAT ? (output_csp_names[0]+1) : "all" );
+    printf( "x264 configuration: --bit-depth=%d --chroma-format=%s\n", X264_BIT_DEPTH, chroma_format_names[X264_CHROMA_FORMAT] );
+    printf( "libx264 configuration: --bit-depth=%d --chroma-format=%s\n", x264_bit_depth, chroma_format_names[x264_chroma_format] );
     printf( "x264 license: " );
 #if HAVE_GPL
     printf( "GPL version 2 or later\n" );
@@ -533,7 +541,7 @@ static void help( x264_param_t *defaults, int longhelp )
         "                                  Overrides all settings.\n" );
     H2(
 #if X264_CHROMA_FORMAT <= X264_CSP_I420
-#if BIT_DEPTH==8
+#if X264_BIT_DEPTH==8
         "                                  - baseline:\n"
         "                                    --no-8x8dct --bframes 0 --no-cabac\n"
         "                                    --cqm flat --weightp 0\n"
@@ -561,7 +569,7 @@ static void help( x264_param_t *defaults, int longhelp )
         else H0(
         "                                  - "
 #if X264_CHROMA_FORMAT <= X264_CSP_I420
-#if BIT_DEPTH==8
+#if X264_BIT_DEPTH==8
         "baseline,main,high,"
 #endif
         "high10,"