avcodec/mpeg12dec: Document Ticket3809 fix

[ffmpeg] / configure

diff --git a/configure b/configure
index d55b4255105fd8365a25f545be5c749c9ea30f35..9c3af50569bdebdb5cecf3b76d1cc98f8a0ccd7d 100755 (executable)
--- a/configure
+++ b/configure
@@ -1582,6 +1582,7 @@ ARCH_FEATURES="
     local_aligned_8
     local_aligned_16
     local_aligned_32
+    simd_align_16
 "
 
 BUILTIN_LIST="
@@ -1647,6 +1648,10 @@ HEADERS_LIST="
     winsock2_h
 "
 
+INTRINSICS_LIST="
+    intrinsics_neon
+"
+
 MATH_FUNCS="
     atanf
     atan2f
@@ -1778,6 +1783,7 @@ HAVE_LIST="
     $HAVE_LIST_CMDLINE
     $HAVE_LIST_PUB
     $HEADERS_LIST
+    $INTRINSICS_LIST
     $MATH_FUNCS
     $SYSTEM_FUNCS
     $THREADS_LIST
@@ -1941,6 +1947,7 @@ 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"
 
@@ -1991,8 +1998,7 @@ 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"
-
-need_memalign="altivec neon sse"
+simd_align_16_if_any="altivec neon sse"
 
 # system capabilities
 
@@ -2126,6 +2132,7 @@ 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="error_resilience mpeg_er mpegvideo"
 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
@@ -2662,6 +2669,7 @@ else
     arch_default=$(uname -m)
 fi
 cpu="generic"
+intrinsics="none"
 
 # configurable options
 enable $PROGRAM_LIST
@@ -4536,6 +4544,8 @@ EOF
 
 fi
 
+check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
+
 check_ldflags -Wl,--as-needed
 
 if check_func dlopen; then
@@ -4756,7 +4766,7 @@ enabled libopenjpeg       && { check_lib openjpeg-1.5/openjpeg.h opj_version -lo
                                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-simple pulse/simple.h pa_simple_new
+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
@@ -4766,7 +4776,7 @@ enabled libsmbclient      && { { check_pkg_config smbclient libsmbclient.h smbc_
                                  require smbclient libsmbclient.h smbc_init -lsmbclient; }
 enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
 enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init
-enabled libspeex          && require libspeex speex/speex.h speex_decoder_init -lspeex
+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
@@ -5182,7 +5192,7 @@ enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
     enable dxva2_lib
 
 ! enabled_any memalign posix_memalign aligned_malloc &&
-    enabled_any $need_memalign && enable memalign_hack
+    enabled simd_align_16 && enable memalign_hack
 
 # add_dep lib dep
 # -> enable ${lib}_deps_${dep}
@@ -5211,6 +5221,8 @@ merge_deps() {
 
 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" &&
@@ -5219,6 +5231,8 @@ for thread in $THREADS_LIST; do
     fi
 done
 
+enabled zlib && add_cppflags -DZLIB_CONST
+
 # conditional library dependencies, in linking order
 enabled aconvert_filter     && prepend avfilter_deps "swresample"
 enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"
@@ -5391,6 +5405,7 @@ SRC_PATH:=\$(SRC_PATH:.%=..%)
 endif
 CC_IDENT=$cc_ident
 ARCH=$arch
+INTRINSICS=$intrinsics
 CC=$cc
 CXX=$cxx
 AS=$as