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gaudieffects: orc-ify burn filter
This commit is contained in:
Luis de Bethencourt
parent
6a0afdca96
commit
ad4ffc446f
3 changed files with 64 additions and 43 deletions
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@ -1,18 +1,45 @@
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plugin_LTLIBRARIES = libgstgaudieffects.la
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libgstgaudieffects_la_SOURCES = gstburn.c gstchromium.c gstdilate.c \
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gstdodge.c gstexclusion.c gstgaussblur.c gstsolarize.c gstplugin.c
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libgstgaudieffects_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
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libgstgaudieffects_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_API_VERSION@ $(GST_LIBS) $(LIBM)
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ORC_SOURCE=gstgaudieffectsorc
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include $(top_srcdir)/common/orc.mak
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libgstgaudieffects_la_SOURCES = \
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gstburn.c \
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gstchromium.c \
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gstdilate.c \
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gstdodge.c \
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gstexclusion.c \
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gstgaussblur.c \
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gstsolarize.c \
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gstplugin.c
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nodist_libgstgaudieffects_la_SOURCES = $(ORC_NODIST_SOURCES)
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libgstgaudieffects_la_CFLAGS = \
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$(GST_PLUGINS_BASE_CFLAGS) \
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$(GST_CFLAGS) \
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$(ORC_CFLAGS)
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libgstgaudieffects_la_LIBADD = \
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$(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_API_VERSION@ \
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$(GST_BASE_LIBS) \
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$(GST_LIBS) \
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$(LIBM) \
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$(ORC_LIBS)
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libgstgaudieffects_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstgaudieffects_la_LIBTOOLFLAGS = --tag=disable-static
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# headers we need but don't want installed
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noinst_HEADERS = \
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gstburn.h gstchromium.h gstdilate.h gstdodge.h \
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gstexclusion.h gstgaussblur.h gstplugin.h gstsolarize.h
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gstburn.h \
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gstchromium.h \
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gstdilate.h \
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gstdodge.h \
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gstexclusion.h \
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gstgaussblur.h \
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gstplugin.h \
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gstsolarize.h
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EXTRA_DIST = blur-example.py burn-example.py
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EXTRA_PROGRAMS = blur-example.py burn-example.py
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Android.mk: Makefile.am $(BUILT_SOURCES)
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androgenizer \
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@ -67,6 +67,8 @@
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#include "gstplugin.h"
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#include "gstburn.h"
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#include "gstgaudieffectsorc.h"
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#define gst_burn_parent_class parent_class
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G_DEFINE_TYPE (GstBurn, gst_burn, GST_TYPE_VIDEO_FILTER);
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@ -96,9 +98,6 @@ enum
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#define DEFAULT_ADJUSTMENT 175
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static void transform (guint32 * src, guint32 * dest, gint video_area,
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gint adjustment);
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/* The capabilities of the inputs and outputs. */
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static GstStaticPadTemplate gst_burn_sink_template =
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@ -256,7 +255,8 @@ gst_burn_transform_frame (GstVideoFilter * vfilter,
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adjustment = filter->adjustment;
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GST_OBJECT_UNLOCK (filter);
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transform (src, dest, video_size, adjustment);
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/*** Now the image processing work.... ***/
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orc_gaudi_burn (dest, src, adjustment, video_size);
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return GST_FLOW_OK;
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}
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@ -271,35 +271,3 @@ gst_burn_plugin_init (GstPlugin * burn)
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return gst_element_register (burn, "burn", GST_RANK_NONE, GST_TYPE_BURN);
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}
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/*** Now the image processing work.... ***/
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/* Transform processes each frame. */
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static void
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transform (guint32 * src, guint32 * dest, gint video_area, gint adjustment)
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{
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guint32 in;
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gint red, green, blue, c;
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gint x;
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for (x = 0; x < video_area; x++) {
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in = *src++;
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red = (in >> 16) & 0xff;
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green = (in >> 8) & 0xff;
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blue = (in) & 0xff;
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c = (red + adjustment);
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red = c ? (256 - (256 * (255 - red) / c)) : 0;
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c = (green + adjustment);
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green = c ? (256 - (256 * (255 - green) / c)) : 0;
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c = (blue + adjustment);
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blue = c ? (256 - (256 * (255 - blue) / c)) : 0;
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red = CLAMP (red, 0, 255);
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green = CLAMP (green, 0, 255);
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blue = CLAMP (blue, 0, 255);
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*dest++ = (red << 16) | (green << 8) | blue;
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}
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}
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26
gst/gaudieffects/gstgaudieffectsorc.orc
Normal file
26
gst/gaudieffects/gstgaudieffectsorc.orc
Normal file
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@ -0,0 +1,26 @@
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.function orc_gaudi_burn
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.dest 4 dest guint32
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.source 4 src guint32
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.param 4 adj gint
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.const 1 c255 255
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.const 1 c7 7
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.const 1 c1 1
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.temp 4 tmp guint32
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.temp 8 tmp2 guint32
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.temp 8 a2 gint
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x4 copyb tmp, src # tmp <- src
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x4 convubw tmp2, tmp # convert from size 1 to 2
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x4 addw a2, tmp2, adj # a = tmp + adjustment
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x4 shruw a2, a2, c1 # a = a / 2
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x4 subb tmp, c255, tmp # tmp = 255 - tmp
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#x4 mulubw tmp2, tmp, c127 # tmp = tmp * 127
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x4 convubw tmp2, tmp # convert from size 1 to 2
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x4 shlw tmp2, tmp2, c7 # tmp = tmp * 128
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x4 divluw tmp2, tmp2, a2 # tmp = tmp / a
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x4 subw tmp2, c255, tmp2 # tmp = 255 - tmp
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x4 convwb tmp, tmp2 # convert from size 2 to 1
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storel dest, tmp
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