mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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video: add some internal helper functions for image blending
This could be improved if we decide we don't need it to be this generic/flexible.
This commit is contained in:
Thibault Saunier
Tim-Philipp Müller
parent
b0f4085f22
commit
80054a3b1e
1
gst-libs/gst/video/.gitignore
vendored
1
gst-libs/gst/video/.gitignore
vendored
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@ -1,2 +1,3 @@
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video-enumtypes.c
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video-enumtypes.h
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videoblendorc.h
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@ -4,26 +4,45 @@ glib_enum_define = GST_VIDEO
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glib_gen_prefix = gst_video
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glib_gen_basename = video
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lib_LTLIBRARIES = libgstvideo-@GST_MAJORMINOR@.la
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ORC_SOURCE=videoblendorc
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include $(top_srcdir)/common/orc.mak
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built_sources = video-enumtypes.c
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built_headers = video-enumtypes.h
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BUILT_SOURCES = $(built_sources) $(built_headers)
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lib_LTLIBRARIES = libgstvideo-@GST_MAJORMINOR@.la
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# orc.mak sets BUILT_SOURCES as well
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BUILT_SOURCES += $(built_sources) $(built_headers)
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CLEANFILES = $(BUILT_SOURCES)
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# video-blend.h should be disted but not installed into the includedir
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libgstvideo_@GST_MAJORMINOR@_la_SOURCES = \
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video.c gstvideosink.c gstvideofilter.c convertframe.c
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nodist_libgstvideo_@GST_MAJORMINOR@_la_SOURCES = $(BUILT_SOURCES)
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video.c gstvideosink.c gstvideofilter.c convertframe.c \
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video-blend.c video-blend.h
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nodist_libgstvideo_@GST_MAJORMINOR@_la_SOURCES = \
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$(built_sources) $(built_headers) \
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$(ORC_NODIST_SOURCES)
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libgstvideo_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/video
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libgstvideo_@GST_MAJORMINOR@include_HEADERS = \
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video.h gstvideosink.h gstvideofilter.h
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nodist_libgstvideo_@GST_MAJORMINOR@include_HEADERS = $(built_headers)
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libgstvideo_@GST_MAJORMINOR@_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
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libgstvideo_@GST_MAJORMINOR@_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS)
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libgstvideo_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
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libgstvideo_@GST_MAJORMINOR@_la_CFLAGS = \
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$(GST_PLUGINS_BASE_CFLAGS)\
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$(GST_BASE_CFLAGS) \
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$(GST_CFLAGS) \
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$(ORC_CFLAGS)
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libgstvideo_@GST_MAJORMINOR@_la_LIBADD = $(GST_BASE_LIBS) \
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$(GST_LIBS) \
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$(ORC_LIBS)
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libgstvideo_@GST_MAJORMINOR@_la_LDFLAGS = \
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$(GST_LIB_LDFLAGS) \
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$(GST_ALL_LDFLAGS) \
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$(GST_LT_LDFLAGS)
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include $(top_srcdir)/common/gst-glib-gen.mak
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@ -31,9 +50,9 @@ if HAVE_INTROSPECTION
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BUILT_GIRSOURCES = GstVideo-@GST_MAJORMINOR@.gir
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gir_headers=$(patsubst %,$(srcdir)/%, $(libgstvideo_@GST_MAJORMINOR@include_HEADERS))
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gir_headers+=$(patsubst %,$(builddir)/%, $(nodist_libgstvideo_@GST_MAJORMINOR@include_HEADERS))
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gir_headers+=$(patsubst %,$(builddir)/%, $(built_headers))
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gir_sources=$(patsubst %,$(srcdir)/%, $(libgstvideo_@GST_MAJORMINOR@_la_SOURCES))
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gir_sources+=$(patsubst %,$(builddir)/%, $(nodist_libgstvideo_@GST_MAJORMINOR@_la_SOURCES))
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gir_sources+=$(patsubst %,$(builddir)/%, $(built_sources))
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gir_cincludes=$(patsubst %,--c-include='gst/video/%',$(libgstvideo_@GST_MAJORMINOR@include_HEADERS))
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gir_cincludes+=$(patsubst %,--c-include='gst/video/%',$(nodist_libgstvideo_@GST_MAJORMINOR@include_HEADERS))
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1423
gst-libs/gst/video/video-blend.c
Normal file
1423
gst-libs/gst/video/video-blend.c
Normal file
File diff suppressed because it is too large
Load diff
77
gst-libs/gst/video/video-blend.h
Normal file
77
gst-libs/gst/video/video-blend.h
Normal file
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@ -0,0 +1,77 @@
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/* Gstreamer video blending utility functions
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*
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* Copyright (C) <2011> Intel Corporation
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* Copyright (C) <2011> Collabora Ltd.
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* Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_VIDEO_BLEND__
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#define __GST_VIDEO_BLEND__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#define MAX_VIDEO_PLANES 4
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typedef struct _GstBlendVideoFormatInfo GstBlendVideoFormatInfo;
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/**
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* GstBlendVideoFormatInfo:
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* @fmt: The #GstVideoFormat describing the video format
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* @width: The width of the video
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* @height: The height of the video
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* @pixels: The buffer containing the pixels of the video
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* @size: The size in byte of @pixels
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* @offset: The offsets of the different component of the video
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* @stride: The stride of the different component of the video
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*
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* Information describing image properties containing necessary
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* fields to do video blending.
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*/
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struct _GstBlendVideoFormatInfo
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{
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GstVideoFormat fmt;
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gint width;
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gint height;
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gint dest_width;
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gint dest_height;
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guint8 * pixels;
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gsize size;
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/* YUV components: Y=0, U=1, V=2, A=3
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* RGB components: R=0, G=1, B=2, A=3 */
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gint offset[MAX_VIDEO_PLANES];
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gint stride[MAX_VIDEO_PLANES];
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};
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void video_blend_format_info_init (GstBlendVideoFormatInfo * info,
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guint8 *pixels, guint height,
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guint width, GstVideoFormat fmt);
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void video_blend_scale_linear_RGBA (GstBlendVideoFormatInfo * src,
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gint dest_height, gint dest_width);
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gboolean video_blend (GstBlendVideoFormatInfo * dest,
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GstBlendVideoFormatInfo * src,
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guint x, guint y);
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#endif
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498
gst-libs/gst/video/videoblendorc.orc
Normal file
498
gst-libs/gst/video/videoblendorc.orc
Normal file
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@ -0,0 +1,498 @@
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.function orc_blend_little
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.flags 1d
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.dest 4 d guint8
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.source 4 s guint8
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.temp 4 t
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.temp 2 tw
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.temp 1 tb
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.temp 4 a
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.temp 8 d_wide
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.temp 8 s_wide
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.temp 8 a_wide
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.const 4 a_alpha 0x000000ff
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loadl t, s
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convlw tw, t
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convwb tb, tw
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splatbl a, tb
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x4 convubw a_wide, a
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x4 shruw a_wide, a_wide, 8
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x4 convubw s_wide, t
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loadl t, d
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x4 convubw d_wide, t
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x4 subw s_wide, s_wide, d_wide
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x4 mullw s_wide, s_wide, a_wide
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x4 div255w s_wide, s_wide
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x4 addw d_wide, d_wide, s_wide
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x4 convwb t, d_wide
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orl t, t, a_alpha
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storel d, t
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.function orc_blend_big
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.flags 1d
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.dest 4 d guint8
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.source 4 s guint8
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.temp 4 t
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.temp 4 t2
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.temp 2 tw
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.temp 1 tb
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.temp 4 a
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.temp 8 d_wide
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.temp 8 s_wide
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.temp 8 a_wide
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.const 4 a_alpha 0xff000000
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loadl t, s
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shrul t2, t, 24
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convlw tw, t2
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convwb tb, tw
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splatbl a, tb
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x4 convubw a_wide, a
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x4 shruw a_wide, a_wide, 8
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x4 convubw s_wide, t
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loadl t, d
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x4 convubw d_wide, t
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x4 subw s_wide, s_wide, d_wide
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x4 mullw s_wide, s_wide, a_wide
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x4 div255w s_wide, s_wide
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x4 addw d_wide, d_wide, s_wide
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x4 convwb t, d_wide
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orl t, t, a_alpha
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storel d, t
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.function cogorc_getline_I420
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.dest 4 d guint8
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.source 1 y guint8
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.source 1 u guint8
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.source 1 v guint8
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.const 1 c255 255
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.temp 2 uv
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.temp 2 ay
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.temp 1 tu
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.temp 1 tv
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loadupdb tu, u
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loadupdb tv, v
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mergebw uv, tu, tv
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mergebw ay, c255, y
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mergewl d, ay, uv
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.function cogorc_putline_I420
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.dest 2 y guint8
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.dest 1 u guint8
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.dest 1 v guint8
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.source 8 ayuv guint8
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.temp 4 ay
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.temp 4 uv
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.temp 2 uu
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.temp 2 vv
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.temp 1 t1
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.temp 1 t2
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x2 splitlw uv, ay, ayuv
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x2 select1wb y, ay
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x2 splitwb vv, uu, uv
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splitwb t1, t2, uu
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avgub u, t1, t2
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splitwb t1, t2, vv
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avgub v, t1, t2
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.function cogorc_getline_YUY2
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.dest 8 ayuv guint8
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.source 4 yuy2 guint8
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.const 2 c255 0xff
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.temp 2 yy
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.temp 2 uv
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.temp 4 ayay
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.temp 4 uvuv
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x2 splitwb uv, yy, yuy2
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x2 mergebw ayay, c255, yy
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mergewl uvuv, uv, uv
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x2 mergewl ayuv, ayay, uvuv
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.function cogorc_putline_YUY2
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.dest 4 yuy2 guint8
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.source 8 ayuv guint8
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.temp 2 yy
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.temp 2 uv1
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.temp 2 uv2
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.temp 4 ayay
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.temp 4 uvuv
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x2 splitlw uvuv, ayay, ayuv
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splitlw uv1, uv2, uvuv
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x2 avgub uv1, uv1, uv2
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x2 select1wb yy, ayay
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x2 mergebw yuy2, yy, uv1
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.function cogorc_putline_UYVY
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.dest 4 yuy2 guint8
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.source 8 ayuv guint8
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.temp 2 yy
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.temp 2 uv1
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.temp 2 uv2
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.temp 4 ayay
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.temp 4 uvuv
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x2 splitlw uvuv, ayay, ayuv
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splitlw uv1, uv2, uvuv
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x2 avgub uv1, uv1, uv2
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x2 select1wb yy, ayay
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x2 mergebw yuy2, uv1, yy
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.function cogorc_getline_UYVY
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.dest 8 ayuv guint8
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.source 4 uyvy guint8
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.const 2 c255 0xff
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.temp 2 yy
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.temp 2 uv
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.temp 4 ayay
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.temp 4 uvuv
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x2 splitwb yy, uv, uyvy
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x2 mergebw ayay, c255, yy
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mergewl uvuv, uv, uv
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x2 mergewl ayuv, ayay, uvuv
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.function cogorc_getline_YUV9
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.dest 8 d guint8
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.source 2 y guint8
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.source 1 u guint8
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.source 1 v guint8
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.const 1 c255 255
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.temp 2 tuv
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.temp 4 ay
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.temp 4 uv
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.temp 1 tu
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.temp 1 tv
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loadupdb tu, u
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loadupdb tv, v
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mergebw tuv, tu, tv
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mergewl uv, tuv, tuv
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x2 mergebw ay, c255, y
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x2 mergewl d, ay, uv
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.function cogorc_getline_Y42B
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.dest 8 ayuv guint8
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.source 2 yy guint8
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.source 1 u guint8
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.source 1 v guint8
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.const 1 c255 255
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.temp 2 uv
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.temp 2 ay
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.temp 4 uvuv
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.temp 4 ayay
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mergebw uv, u, v
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x2 mergebw ayay, c255, yy
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mergewl uvuv, uv, uv
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x2 mergewl ayuv, ayay, uvuv
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.function cogorc_putline_Y42B
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.dest 2 y guint8
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.dest 1 u guint8
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.dest 1 v guint8
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.source 8 ayuv guint8
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.temp 4 ayay
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.temp 4 uvuv
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.temp 2 uv1
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.temp 2 uv2
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|
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x2 splitlw uvuv, ayay, ayuv
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splitlw uv1, uv2, uvuv
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x2 avgub uv1, uv1, uv2
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splitwb v, u, uv1
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x2 select1wb y, ayay
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|
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|
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.function cogorc_getline_Y444
|
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.dest 4 ayuv guint8
|
||||
.source 1 y guint8
|
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.source 1 u guint8
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.source 1 v guint8
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.const 1 c255 255
|
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.temp 2 uv
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.temp 2 ay
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|
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mergebw uv, u, v
|
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mergebw ay, c255, y
|
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mergewl ayuv, ay, uv
|
||||
|
||||
|
||||
.function cogorc_putline_Y444
|
||||
.dest 1 y guint8
|
||||
.dest 1 u guint8
|
||||
.dest 1 v guint8
|
||||
.source 4 ayuv guint8
|
||||
.temp 2 ay
|
||||
.temp 2 uv
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||||
|
||||
splitlw uv, ay, ayuv
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||||
splitwb v, u, uv
|
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select1wb y, ay
|
||||
|
||||
.function cogorc_getline_Y800
|
||||
.dest 4 ayuv guint8
|
||||
.source 1 y guint8
|
||||
.const 1 c255 255
|
||||
.const 2 c0x8080 0x8080
|
||||
.temp 2 ay
|
||||
|
||||
mergebw ay, c255, y
|
||||
mergewl ayuv, ay, c0x8080
|
||||
|
||||
|
||||
.function cogorc_putline_Y800
|
||||
.dest 1 y guint8
|
||||
.source 4 ayuv guint8
|
||||
.temp 2 ay
|
||||
|
||||
select0lw ay, ayuv
|
||||
select1wb y, ay
|
||||
|
||||
|
||||
.function cogorc_putline_Y16
|
||||
.dest 2 y guint8
|
||||
.source 4 ayuv guint8
|
||||
.temp 2 ay
|
||||
.temp 1 yb
|
||||
|
||||
select0lw ay, ayuv
|
||||
select1wb yb, ay
|
||||
convubw ay, yb
|
||||
shlw y, ay, 8
|
||||
|
||||
|
||||
.function cogorc_getline_Y16
|
||||
.dest 4 ayuv guint8
|
||||
.source 2 y guint8
|
||||
.const 1 c255 255
|
||||
.const 2 c0x8080 0x8080
|
||||
.temp 2 ay
|
||||
.temp 1 yb
|
||||
|
||||
convhwb yb, y
|
||||
mergebw ay, c255, yb
|
||||
mergewl ayuv, ay, c0x8080
|
||||
|
||||
.function cogorc_getline_BGRA
|
||||
.dest 4 argb guint8
|
||||
.source 4 bgra guint8
|
||||
|
||||
swapl argb, bgra
|
||||
|
||||
.function cogorc_putline_BGRA
|
||||
.dest 4 bgra guint8
|
||||
.source 4 argb guint8
|
||||
|
||||
swapl bgra, argb
|
||||
|
||||
.function cogorc_putline_RGBA
|
||||
.dest 4 rgba guint8
|
||||
.source 4 argb guint8
|
||||
.temp 1 a
|
||||
.temp 1 r
|
||||
.temp 1 g
|
||||
.temp 1 b
|
||||
.temp 2 rg
|
||||
.temp 2 ba
|
||||
.temp 2 ar
|
||||
.temp 2 gb
|
||||
|
||||
splitlw gb, ar, argb
|
||||
splitwb b, g, gb
|
||||
splitwb r, a, ar
|
||||
mergebw ba, b, a
|
||||
mergebw rg, r, g
|
||||
mergewl rgba, rg, ba
|
||||
|
||||
.function cogorc_getline_RGBA
|
||||
.dest 4 argb guint8
|
||||
.source 4 rgba guint8
|
||||
.temp 1 a
|
||||
.temp 1 r
|
||||
.temp 1 g
|
||||
.temp 1 b
|
||||
.temp 2 rg
|
||||
.temp 2 ba
|
||||
.temp 2 ar
|
||||
.temp 2 gb
|
||||
|
||||
splitlw ba, rg, rgba
|
||||
splitwb g, r, rg
|
||||
splitwb a, b, ba
|
||||
mergebw ar, a, r
|
||||
mergebw gb, g, b
|
||||
mergewl argb, ar, gb
|
||||
|
||||
|
||||
.function cogorc_getline_ABGR
|
||||
.dest 4 argb guint8
|
||||
.source 4 abgr guint8
|
||||
.temp 1 a
|
||||
.temp 1 r
|
||||
.temp 1 g
|
||||
.temp 1 b
|
||||
.temp 2 gr
|
||||
.temp 2 ab
|
||||
.temp 2 ar
|
||||
.temp 2 gb
|
||||
|
||||
splitlw gr, ab, abgr
|
||||
splitwb r, g, gr
|
||||
splitwb b, a, ab
|
||||
mergebw ar, a, r
|
||||
mergebw gb, g, b
|
||||
mergewl argb, ar, gb
|
||||
|
||||
|
||||
.function cogorc_putline_ABGR
|
||||
.dest 4 abgr guint8
|
||||
.source 4 argb guint8
|
||||
.temp 1 a
|
||||
.temp 1 r
|
||||
.temp 1 g
|
||||
.temp 1 b
|
||||
.temp 2 gr
|
||||
.temp 2 ab
|
||||
.temp 2 ar
|
||||
.temp 2 gb
|
||||
|
||||
splitlw gb, ar, argb
|
||||
splitwb b, g, gb
|
||||
splitwb r, a, ar
|
||||
mergebw ab, a, b
|
||||
mergebw gr, g, r
|
||||
mergewl abgr, ab, gr
|
||||
|
||||
.function cogorc_getline_NV12
|
||||
.dest 8 d guint8
|
||||
.source 2 y guint8
|
||||
.source 2 uv guint8
|
||||
.const 1 c255 255
|
||||
.temp 4 ay
|
||||
.temp 4 uvuv
|
||||
|
||||
mergewl uvuv, uv, uv
|
||||
x2 mergebw ay, c255, y
|
||||
x2 mergewl d, ay, uvuv
|
||||
|
||||
.function cogorc_putline_NV12
|
||||
.dest 2 y guint8
|
||||
.dest 2 uv guint8
|
||||
.source 8 ayuv guint8
|
||||
.temp 4 ay
|
||||
.temp 4 uvuv
|
||||
.temp 2 uv1
|
||||
.temp 2 uv2
|
||||
|
||||
x2 splitlw uvuv, ay, ayuv
|
||||
x2 select1wb y, ay
|
||||
splitlw uv1, uv2, uvuv
|
||||
x2 avgub uv, uv1, uv2
|
||||
|
||||
.function cogorc_getline_NV21
|
||||
.dest 8 d guint8
|
||||
.source 2 y guint8
|
||||
.source 2 vu guint8
|
||||
.const 1 c255 255
|
||||
.temp 2 uv
|
||||
.temp 4 ay
|
||||
.temp 4 uvuv
|
||||
|
||||
swapw uv, vu
|
||||
mergewl uvuv, uv, uv
|
||||
x2 mergebw ay, c255, y
|
||||
x2 mergewl d, ay, uvuv
|
||||
|
||||
|
||||
.function cogorc_putline_NV21
|
||||
.dest 2 y guint8
|
||||
.dest 2 vu guint8
|
||||
.source 8 ayuv guint8
|
||||
.temp 4 ay
|
||||
.temp 4 uvuv
|
||||
.temp 2 uv1
|
||||
.temp 2 uv2
|
||||
.temp 2 uv
|
||||
|
||||
x2 splitlw uvuv, ay, ayuv
|
||||
x2 select1wb y, ay
|
||||
splitlw uv1, uv2, uvuv
|
||||
x2 avgub uv, uv1, uv2
|
||||
swapw vu, uv
|
||||
|
||||
|
||||
.function cogorc_getline_A420
|
||||
.dest 4 d guint8
|
||||
.source 1 y guint8
|
||||
.source 1 u guint8
|
||||
.source 1 v guint8
|
||||
.source 1 a guint8
|
||||
.temp 2 uv
|
||||
.temp 2 ay
|
||||
.temp 1 tu
|
||||
.temp 1 tv
|
||||
|
||||
loadupdb tu, u
|
||||
loadupdb tv, v
|
||||
mergebw uv, tu, tv
|
||||
mergebw ay, a, y
|
||||
mergewl d, ay, uv
|
||||
|
||||
.function cogorc_putline_A420
|
||||
.dest 2 y guint8
|
||||
.dest 1 u guint8
|
||||
.dest 1 v guint8
|
||||
.dest 2 a guint8
|
||||
.source 8 ayuv guint8
|
||||
.temp 4 ay
|
||||
.temp 4 uv
|
||||
.temp 2 uu
|
||||
.temp 2 vv
|
||||
.temp 1 t1
|
||||
.temp 1 t2
|
||||
|
||||
x2 splitlw uv, ay, ayuv
|
||||
x2 select1wb y, ay
|
||||
x2 select0wb a, ay
|
||||
x2 splitwb vv, uu, uv
|
||||
splitwb t1, t2, uu
|
||||
avgub u, t1, t2
|
||||
splitwb t1, t2, vv
|
||||
avgub v, t1, t2
|
||||
|
||||
.function orc_resample_bilinear_u32
|
||||
.dest 4 d1 guint8
|
||||
.source 4 s1 guint8
|
||||
.param 4 p1
|
||||
.param 4 p2
|
||||
|
||||
ldreslinl d1, s1, p1, p2
|
||||
|
||||
.function orc_merge_linear_u8
|
||||
.dest 1 d1
|
||||
.source 1 s1
|
||||
.source 1 s2
|
||||
.param 1 p1
|
||||
.temp 2 t1
|
||||
.temp 2 t2
|
||||
.temp 1 a
|
||||
.temp 1 t
|
||||
|
||||
loadb a, s1
|
||||
convubw t1, s1
|
||||
convubw t2, s2
|
||||
subw t2, t2, t1
|
||||
mullw t2, t2, p1
|
||||
addw t2, t2, 128
|
||||
convhwb t, t2
|
||||
addb d1, t, a
|
||||
Loading…
Reference in a new issue