cosmetics: Reformat comment paragraph and fix a few typos in it.

[ffmpeg] / configure

diff --git a/configure b/configure
index c2a7be3ace824b61aa41e45dc81c267154f04530..eae40c63675eff2d920b3e50350a211785660ba5 100755 (executable)
--- a/configure
+++ b/configure
@@ -100,6 +100,7 @@ show_help(){
   echo "  --disable-golomb         disable Golomb code"
   echo "  --disable-mdct           disable MDCT code"
   echo "  --disable-rdft           disable RDFT code"
+  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
   echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
   echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
   echo "  --enable-beos-netserver  enable BeOS netserver"
@@ -109,6 +110,9 @@ show_help(){
   echo "  --disable-decoder=NAME   disable decoder NAME"
   echo "  --enable-decoder=NAME    enable decoder NAME"
   echo "  --disable-decoders       disable all decoders"
+  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
+  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
+  echo "  --disable-hwaccels       disable all hwaccels"
   echo "  --disable-muxer=NAME     disable muxer NAME"
   echo "  --enable-muxer=NAME      enable muxer NAME"
   echo "  --disable-muxers         disable all muxers"
@@ -132,6 +136,7 @@ show_help(){
   echo "  --disable-filters        disable all filters"
   echo "  --list-decoders          show all available decoders"
   echo "  --list-encoders          show all available encoders"
+  echo "  --list-hwaccels          show all available hardware accelerators"
   echo "  --list-muxers            show all available muxers"
   echo "  --list-demuxers          show all available demuxers"
   echo "  --list-parsers           show all available parsers"
@@ -241,6 +246,7 @@ echolog(){
 die(){
     echolog "$@"
     cat <<EOF
+
 If you think configure made a mistake, make sure you are using the latest
 version from SVN.  If the latest version fails, report the problem to the
 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
@@ -748,6 +754,7 @@ COMPONENT_LIST="
     demuxers
     encoders
     filters
+    hwaccels
     indevs
     muxers
     outdevs
@@ -800,6 +807,7 @@ CONFIG_LIST="
     postproc
     powerpc_perf
     rdft
+    runtime_cpudetect
     shared
     small
     static
@@ -988,7 +996,7 @@ sse_deps="mmx"
 ssse3_deps="sse"
 vis_deps="sparc"
 
-# decoders / encoders
+# decoders / encoders / hardware accelerators
 aac_decoder_select="fft mdct"
 ac3_decoder_deps="gpl"
 ac3_decoder_select="fft mdct"
@@ -1011,8 +1019,10 @@ flashsv_encoder_select="zlib"
 flv_encoder_select="aandct"
 h261_encoder_select="aandct"
 h263_encoder_select="aandct"
+h263_vaapi_hwaccel_deps="va_va_h"
 h263p_encoder_select="aandct"
 h264_decoder_select="golomb"
+h264_vaapi_hwaccel_deps="va_va_h"
 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
 imc_decoder_select="fft mdct"
 jpegls_decoder_select="golomb"
@@ -1025,6 +1035,8 @@ mpeg2video_encoder_select="aandct"
 mpeg4_encoder_select="aandct"
 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
+mpeg2_vaapi_hwaccel_deps="va_va_h"
+mpeg4_vaapi_hwaccel_deps="va_va_h"
 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
 msmpeg4v1_encoder_select="aandct"
 msmpeg4v2_encoder_select="aandct"
@@ -1047,6 +1059,7 @@ svq3_decoder_suggest="zlib"
 tiff_decoder_suggest="zlib"
 tiff_encoder_suggest="zlib"
 tscc_decoder_select="zlib"
+vc1_vaapi_hwaccel_deps="va_va_h"
 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
 vorbis_decoder_select="fft mdct"
 vorbis_encoder_select="fft mdct"
@@ -1056,6 +1069,7 @@ wmav2_decoder_select="fft mdct"
 wmav2_encoder_select="fft mdct"
 wmv1_encoder_select="aandct"
 wmv2_encoder_select="aandct"
+wmv3_vaapi_hwaccel_deps="va_va_h"
 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
 zlib_decoder_select="zlib"
 zlib_encoder_select="zlib"
@@ -1100,6 +1114,8 @@ avisynth_demuxer_deps="avisynth"
 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
 dirac_demuxer_deps="dirac_parser"
 dv1394_demuxer_deps="dv1394 dv_demuxer"
+jack_demuxer_deps="jack_jack_h"
+jack_demuxer_extralibs="-ljack"
 libdc1394_demuxer_deps="libdc1394"
 libnut_demuxer_deps="libnut"
 libnut_muxer_deps="libnut"
@@ -1220,7 +1236,12 @@ else
         die "Out of tree builds are impossible with config.h in source dir."
 fi
 
-FFMPEG_CONFIGURATION="$@"
+for v in "$@"; do
+    r="${v#*=}"
+    l="${v%$r}"
+    test "$r" = "${r#* }" || r="'$r'"
+    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
+done
 
 find_things(){
     thing=$1
@@ -1231,6 +1252,7 @@ find_things(){
 
 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)
@@ -1243,6 +1265,7 @@ FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
 enable $ARCH_EXT_LIST \
        $DECODER_LIST \
        $ENCODER_LIST \
+       $HWACCEL_LIST \
        $PARSER_LIST \
        $BSF_LIST \
        $DEMUXER_LIST \
@@ -1281,7 +1304,7 @@ for opt do
     --enable-*=*|--disable-*=*)
     eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
     case "$thing" in
-        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
+        encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
         *) die_unknown "$opt" ;;
     esac
     ;;
@@ -1315,7 +1338,7 @@ done
 
 disabled logging && logfile=/dev/null
 
-echo "# $0 $@" > $logfile
+echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
 set >> $logfile
 
 test -n "$cross_prefix" && enable cross_compile
@@ -1607,7 +1630,7 @@ case $target_os in
         SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
             install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
-        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
+        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
         objformat="win32"
         enable dos_paths
         if ! enabled x86_64; then
@@ -1996,6 +2019,7 @@ for thread in $THREADS_LIST; do
 done
 
 check_lib math.h sin -lm
+check_lib va/va.h vaInitialize -lva
 
 # test for C99 functions in math.h
 for func in llrint lrint lrintf round roundf truncf; do
@@ -2129,6 +2153,8 @@ check_header soundcard.h
 
 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
 
+check_lib2 jack/jack.h jack_client_open -ljack
+
 # deal with the X11 frame grabber
 enabled x11grab                         &&
 check_header X11/Xlib.h                 &&
@@ -2220,6 +2246,7 @@ check_asm asmalign_pot '".align 3"'
 
 enabled_any $DECODER_LIST      && enable decoders
 enabled_any $ENCODER_LIST      && enable encoders
+enabled_any $HWACCEL_LIST      && enable hwaccels
 enabled_any $BSF_LIST          && enable bsfs
 enabled_any $DEMUXER_LIST      && enable demuxers
 enabled_any $MUXER_LIST        && enable muxers
@@ -2235,6 +2262,7 @@ check_deps $CONFIG_LIST       \
            $HAVE_LIST         \
            $DECODER_LIST      \
            $ENCODER_LIST      \
+           $HWACCEL_LIST      \
            $PARSER_LIST       \
            $BSF_LIST          \
            $DEMUXER_LIST      \
@@ -2256,6 +2284,7 @@ if test "$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 "yasm                      ${yasm-no}"
     echo "MMX enabled               ${mmx-no}"
@@ -2331,7 +2360,7 @@ echo "zlib enabled              ${zlib-no}"
 echo "bzlib enabled             ${bzlib-no}"
 echo
 
-for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
+for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
     echo "Enabled ${type}s:"
     eval list=\$$(toupper $type)_LIST
     for part in $list; do
@@ -2458,6 +2487,7 @@ print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
                                       $CONFIG_EXTRA      \
                                       $DECODER_LIST      \
                                       $ENCODER_LIST      \
+                                      $HWACCEL_LIST      \
                                       $PARSER_LIST       \
                                       $BSF_LIST          \
                                       $DEMUXER_LIST      \
@@ -2507,6 +2537,11 @@ if enabled source_path_used; then
         libavutil         \
         libpostproc       \
         libswscale        \
+        libswscale/bfin   \
+        libswscale/mlib   \
+        libswscale/ppc    \
+        libswscale/sparc  \
+        libswscale/x86    \
         tests             \
         tools             \
         "