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videomixer: Bundle private copies of videoconvert code
Ideally, this would be part of libgstvideo. Prefixes videoconvert symbols with videomixer_. https://bugzilla.gnome.org/show_bug.cgi?id=704950
This commit is contained in:
Mathieu Duponchelle
Sebastian Dröge
parent
374a97a3e9
commit
8db3648544
9 changed files with 3669 additions and 223 deletions
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@ -1,10 +1,13 @@
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plugin_LTLIBRARIES = libgstvideomixer.la
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ORC_SOURCE=blendorc
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ORC_SOURCE=videomixerorc
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include $(top_srcdir)/common/orc.mak
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libgstvideomixer_la_SOURCES = \
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blend.c \
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videoconvert.c \
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gstcms.c \
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videomixer2.c
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nodist_libgstvideomixer_la_SOURCES = $(ORC_NODIST_SOURCES)
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@ -20,7 +23,9 @@ libgstvideomixer_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
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noinst_HEADERS = \
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blend.h \
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videomixer2.h \
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videomixer2pad.h
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videomixer2pad.h \
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videoconvert.h \
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gstcms.h
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Android.mk: Makefile.am $(BUILT_SOURCES)
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androgenizer \
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@ -27,7 +27,7 @@
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#endif
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#include "blend.h"
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#include "blendorc.h"
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#include "videomixerorc.h"
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#include <string.h>
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@ -1,220 +0,0 @@
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.function video_mixer_orc_splat_u32
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.dest 4 d1 guint32
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.param 4 p1 guint32
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copyl d1, p1
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.function video_mixer_orc_memcpy_u32
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.dest 4 d1 guint32
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.source 4 s1 guint32
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copyl d1, s1
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.function video_mixer_orc_blend_u8
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.flags 2d
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.dest 1 d1 guint8
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.source 1 s1 guint8
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.param 2 p1
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.temp 2 t1
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.temp 2 t2
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.const 1 c1 8
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convubw t1, d1
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convubw t2, s1
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subw t2, t2, t1
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mullw t2, t2, p1
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shlw t1, t1, c1
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addw t2, t1, t2
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shruw t2, t2, c1
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convsuswb d1, t2
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.function video_mixer_orc_blend_argb
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.flags 2d
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.dest 4 d guint8
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.source 4 s guint8
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.param 2 alpha
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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 mullw a_wide, a_wide, alpha
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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 video_mixer_orc_blend_bgra
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.flags 2d
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.dest 4 d guint8
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.source 4 s guint8
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.param 2 alpha
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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 mullw a_wide, a_wide, alpha
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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 video_mixer_orc_overlay_argb
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.flags 2d
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.dest 4 d guint8
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.source 4 s guint8
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.param 2 alpha
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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 8 alpha_s
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.temp 8 alpha_s_inv
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.temp 8 alpha_d
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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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.const 4 xfs 0xffffffff
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.const 4 a_alpha 0x000000ff
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.const 4 a_alpha_inv 0xffffff00
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# calc source alpha as alpha_s = alpha_s * alpha / 256
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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 alpha_s, a
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x4 mullw alpha_s, alpha_s, alpha
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x4 shruw alpha_s, alpha_s, 8
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x4 convubw s_wide, t
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x4 mullw s_wide, s_wide, alpha_s
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# calc destination alpha as alpha_d = (255-alpha_s) * alpha_d / 255
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loadpl a, xfs
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x4 convubw alpha_s_inv, a
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x4 subw alpha_s_inv, alpha_s_inv, alpha_s
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loadl t, d
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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 alpha_d, a
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x4 mullw alpha_d, alpha_d, alpha_s_inv
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x4 div255w alpha_d, alpha_d
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x4 convubw d_wide, t
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x4 mullw d_wide, d_wide, alpha_d
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# calc final pixel as pix_d = pix_s*alpha_s + pix_d*alpha_d*(255-alpha_s)/255
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x4 addw d_wide, d_wide, s_wide
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# calc the final destination alpha_d = alpha_s + alpha_d * (255-alpha_s)/255
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x4 addw alpha_d, alpha_d, alpha_s
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# now normalize the pix_d by the final alpha to make it associative
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x4 divluw, d_wide, d_wide, alpha_d
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# pack the new alpha into the correct spot
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x4 convwb t, d_wide
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andl t, t, a_alpha_inv
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x4 convwb a, alpha_d
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andl a, a, a_alpha
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orl t, t, a
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storel d, t
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.function video_mixer_orc_overlay_bgra
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.flags 2d
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.dest 4 d guint8
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.source 4 s guint8
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.param 2 alpha
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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 8 alpha_s
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.temp 8 alpha_s_inv
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.temp 8 alpha_d
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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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.const 4 xfs 0xffffffff
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.const 4 a_alpha 0xff000000
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.const 4 a_alpha_inv 0x00ffffff
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# calc source alpha as alpha_s = alpha_s * alpha / 256
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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 alpha_s, a
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x4 mullw alpha_s, alpha_s, alpha
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x4 shruw alpha_s, alpha_s, 8
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x4 convubw s_wide, t
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x4 mullw s_wide, s_wide, alpha_s
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# calc destination alpha as alpha_d = (255-alpha_s) * alpha_d / 255
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loadpl a, xfs
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x4 convubw alpha_s_inv, a
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x4 subw alpha_s_inv, alpha_s_inv, alpha_s
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loadl t, d
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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 alpha_d, a
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x4 mullw alpha_d, alpha_d, alpha_s_inv
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x4 div255w alpha_d, alpha_d
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x4 convubw d_wide, t
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x4 mullw d_wide, d_wide, alpha_d
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# calc final pixel as pix_d = pix_s*alpha_s + pix_d*alpha_d*(255-alpha_s)/255
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x4 addw d_wide, d_wide, s_wide
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# calc the final destination alpha_d = alpha_s + alpha_d * (255-alpha_s)/255
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x4 addw alpha_d, alpha_d, alpha_s
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# now normalize the pix_d by the final alpha to make it associative
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x4 divluw, d_wide, d_wide, alpha_d
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# pack the new alpha into the correct spot
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x4 convwb t, d_wide
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andl t, t, a_alpha_inv
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x4 convwb a, alpha_d
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andl a, a, a_alpha
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orl t, t, a
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storel d, t
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573
gst/videomixer/gstcms.c
Normal file
573
gst/videomixer/gstcms.c
Normal file
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@ -0,0 +1,573 @@
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/* GStreamer
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* Copyright (C) 2008 David Schleef <ds@entropywave.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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/math-compat.h>
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#include "gstcms.h"
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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/* our simple CMS */
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void
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color_xyY_to_XYZ (Color * c)
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{
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if (c->v[1] == 0) {
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c->v[0] = 0;
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c->v[1] = 0;
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c->v[2] = 0;
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} else {
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double X, Y, Z;
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X = c->v[0] * c->v[2] / c->v[1];
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Y = c->v[2];
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Z = (1.0 - c->v[0] - c->v[1]) * c->v[2] / c->v[1];
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c->v[0] = X;
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c->v[1] = Y;
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c->v[2] = Z;
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}
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}
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void
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color_XYZ_to_xyY (Color * c)
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{
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double d;
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d = c->v[0] + c->v[1] + c->v[2];
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if (d == 0) {
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c->v[0] = 0.3128;
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c->v[1] = 0.3290;
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c->v[2] = 0;
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} else {
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double x, y, Y;
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x = c->v[0] / d;
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y = c->v[1] / d;
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Y = c->v[1];
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c->v[0] = x;
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c->v[1] = y;
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c->v[2] = Y;
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}
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}
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void
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color_set (Color * c, double x, double y, double z)
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{
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c->v[0] = x;
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c->v[1] = y;
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c->v[2] = z;
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}
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void
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color_matrix_set_identity (ColorMatrix * m)
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{
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int i, j;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 4; j++) {
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m->m[i][j] = (i == j);
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}
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}
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}
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/* Prettyprint a 4x4 matrix @m@ */
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void
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color_matrix_dump (ColorMatrix * m)
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{
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int i, j;
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printf ("[\n");
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for (i = 0; i < 4; i++) {
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printf (" ");
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for (j = 0; j < 4; j++) {
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printf (" %8.5g", m->m[i][j]);
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}
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printf ("\n");
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}
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printf ("]\n");
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}
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/* Perform 4x4 matrix multiplication:
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* - @dst@ = @a@ * @b@
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* - @dst@ may be a pointer to @a@ andor @b@
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*/
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void
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color_matrix_multiply (ColorMatrix * dst, ColorMatrix * a, ColorMatrix * b)
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{
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ColorMatrix tmp;
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int i, j, k;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 4; j++) {
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double x = 0;
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for (k = 0; k < 4; k++) {
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x += a->m[i][k] * b->m[k][j];
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}
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tmp.m[i][j] = x;
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}
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}
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memcpy (dst, &tmp, sizeof (ColorMatrix));
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}
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void
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color_matrix_apply (ColorMatrix * m, Color * dest, Color * src)
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{
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int i;
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Color tmp;
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for (i = 0; i < 3; i++) {
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double x = 0;
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x += m->m[i][0] * src->v[0];
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x += m->m[i][1] * src->v[1];
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x += m->m[i][2] * src->v[2];
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x += m->m[i][3];
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tmp.v[i] = x;
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}
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memcpy (dest, &tmp, sizeof (tmp));
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}
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void
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color_matrix_offset_components (ColorMatrix * m, double a1, double a2,
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double a3)
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{
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ColorMatrix a;
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color_matrix_set_identity (&a);
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a.m[0][3] = a1;
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a.m[1][3] = a2;
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a.m[2][3] = a3;
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color_matrix_multiply (m, &a, m);
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}
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void
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color_matrix_scale_components (ColorMatrix * m, double a1, double a2, double a3)
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{
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ColorMatrix a;
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color_matrix_set_identity (&a);
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a.m[0][0] = a1;
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a.m[1][1] = a2;
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a.m[2][2] = a3;
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color_matrix_multiply (m, &a, m);
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}
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void
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color_matrix_YCbCr_to_RGB (ColorMatrix * m, double Kr, double Kb)
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{
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double Kg = 1.0 - Kr - Kb;
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ColorMatrix k = {
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{
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{1., 0., 2 * (1 - Kr), 0.},
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{1., -2 * Kb * (1 - Kb) / Kg, -2 * Kr * (1 - Kr) / Kg, 0.},
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{1., 2 * (1 - Kb), 0., 0.},
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{0., 0., 0., 1.},
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}
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};
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color_matrix_multiply (m, &k, m);
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}
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void
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color_matrix_RGB_to_YCbCr (ColorMatrix * m, double Kr, double Kb)
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{
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double Kg = 1.0 - Kr - Kb;
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ColorMatrix k;
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double x;
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k.m[0][0] = Kr;
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k.m[0][1] = Kg;
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k.m[0][2] = Kb;
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k.m[0][3] = 0;
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x = 1 / (2 * (1 - Kb));
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k.m[1][0] = -x * Kr;
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k.m[1][1] = -x * Kg;
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k.m[1][2] = x * (1 - Kb);
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k.m[1][3] = 0;
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x = 1 / (2 * (1 - Kr));
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k.m[2][0] = x * (1 - Kr);
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k.m[2][1] = -x * Kg;
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k.m[2][2] = -x * Kb;
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k.m[2][3] = 0;
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k.m[3][0] = 0;
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k.m[3][1] = 0;
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k.m[3][2] = 0;
|
||||
k.m[3][3] = 1;
|
||||
|
||||
color_matrix_multiply (m, &k, m);
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_build_yuv_to_rgb_601 (ColorMatrix * dst)
|
||||
{
|
||||
/*
|
||||
* At this point, everything is in YCbCr
|
||||
* All components are in the range [0,255]
|
||||
*/
|
||||
color_matrix_set_identity (dst);
|
||||
|
||||
/* offset required to get input video black to (0.,0.,0.) */
|
||||
color_matrix_offset_components (dst, -16, -128, -128);
|
||||
|
||||
/* scale required to get input video black to (0.,0.,0.) */
|
||||
color_matrix_scale_components (dst, (1 / 219.0), (1 / 224.0), (1 / 224.0));
|
||||
|
||||
/* colour matrix, YCbCr -> RGB */
|
||||
/* Requires Y in [0,1.0], Cb&Cr in [-0.5,0.5] */
|
||||
color_matrix_YCbCr_to_RGB (dst, 0.2990, 0.1140); /* SD */
|
||||
|
||||
/*
|
||||
* We are now in RGB space
|
||||
*/
|
||||
|
||||
#if 0
|
||||
/* scale to output range. */
|
||||
color_matrix_scale_components (dst, 255.0, 255.0, 255.0);
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_build_bt709_to_bt601 (ColorMatrix * dst)
|
||||
{
|
||||
color_matrix_set_identity (dst);
|
||||
|
||||
/* offset required to get input video black to (0.,0.,0.) */
|
||||
color_matrix_offset_components (dst, -16, -128, -128);
|
||||
|
||||
/* scale required to get input video black to (0.,0.,0.) */
|
||||
color_matrix_scale_components (dst, (1 / 219.0), (1 / 224.0), (1 / 224.0));
|
||||
|
||||
/* colour matrix, YCbCr -> RGB */
|
||||
/* Requires Y in [0,1.0], Cb&Cr in [-0.5,0.5] */
|
||||
color_matrix_YCbCr_to_RGB (dst, 0.2126, 0.0722); /* HD */
|
||||
|
||||
color_matrix_RGB_to_YCbCr (dst, 0.2990, 0.1140); /* SD */
|
||||
|
||||
color_matrix_scale_components (dst, 219.0, 224.0, 224.0);
|
||||
|
||||
color_matrix_offset_components (dst, 16, 128, 128);
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_build_rgb_to_yuv_601 (ColorMatrix * dst)
|
||||
{
|
||||
color_matrix_set_identity (dst);
|
||||
|
||||
color_matrix_RGB_to_YCbCr (dst, 0.2990, 0.1140); /* SD */
|
||||
|
||||
color_matrix_scale_components (dst, 219.0, 224.0, 224.0);
|
||||
|
||||
color_matrix_offset_components (dst, 16, 128, 128);
|
||||
|
||||
{
|
||||
Color c;
|
||||
int i;
|
||||
for (i = 7; i >= 0; i--) {
|
||||
color_set (&c, (i & 2) ? 0.75 : 0.0, (i & 4) ? 0.75 : 0.0,
|
||||
(i & 1) ? 0.75 : 0.0);
|
||||
color_matrix_apply (dst, &c, &c);
|
||||
g_print (" { %g, %g, %g },\n", rint (c.v[0]), rint (c.v[1]),
|
||||
rint (c.v[2]));
|
||||
}
|
||||
color_set (&c, -0.075, -0.075, -0.075);
|
||||
color_matrix_apply (dst, &c, &c);
|
||||
g_print (" { %g, %g, %g },\n", rint (c.v[0]), rint (c.v[1]),
|
||||
rint (c.v[2]));
|
||||
color_set (&c, 0.075, 0.075, 0.075);
|
||||
color_matrix_apply (dst, &c, &c);
|
||||
g_print (" { %g, %g, %g },\n", rint (c.v[0]), rint (c.v[1]),
|
||||
rint (c.v[2]));
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_invert (ColorMatrix * m)
|
||||
{
|
||||
ColorMatrix tmp;
|
||||
int i, j;
|
||||
double det;
|
||||
|
||||
color_matrix_set_identity (&tmp);
|
||||
for (j = 0; j < 3; j++) {
|
||||
for (i = 0; i < 3; i++) {
|
||||
tmp.m[j][i] =
|
||||
m->m[(i + 1) % 3][(j + 1) % 3] * m->m[(i + 2) % 3][(j + 2) % 3] -
|
||||
m->m[(i + 1) % 3][(j + 2) % 3] * m->m[(i + 2) % 3][(j + 1) % 3];
|
||||
}
|
||||
}
|
||||
det =
|
||||
tmp.m[0][0] * m->m[0][0] + tmp.m[0][1] * m->m[1][0] +
|
||||
tmp.m[0][2] * m->m[2][0];
|
||||
for (j = 0; j < 3; j++) {
|
||||
for (i = 0; i < 3; i++) {
|
||||
tmp.m[i][j] /= det;
|
||||
}
|
||||
}
|
||||
memcpy (m, &tmp, sizeof (tmp));
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_copy (ColorMatrix * dest, ColorMatrix * src)
|
||||
{
|
||||
memcpy (dest, src, sizeof (ColorMatrix));
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_transpose (ColorMatrix * m)
|
||||
{
|
||||
int i, j;
|
||||
ColorMatrix tmp;
|
||||
|
||||
color_matrix_set_identity (&tmp);
|
||||
for (i = 0; i < 3; i++) {
|
||||
for (j = 0; j < 3; j++) {
|
||||
tmp.m[i][j] = m->m[j][i];
|
||||
}
|
||||
}
|
||||
memcpy (m, &tmp, sizeof (ColorMatrix));
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_build_XYZ (ColorMatrix * dst,
|
||||
double rx, double ry,
|
||||
double gx, double gy, double bx, double by, double wx, double wy)
|
||||
{
|
||||
Color r, g, b, w, scale;
|
||||
ColorMatrix m;
|
||||
|
||||
color_set (&r, rx, ry, 1.0);
|
||||
color_xyY_to_XYZ (&r);
|
||||
color_set (&g, gx, gy, 1.0);
|
||||
color_xyY_to_XYZ (&g);
|
||||
color_set (&b, bx, by, 1.0);
|
||||
color_xyY_to_XYZ (&b);
|
||||
color_set (&w, wx, wy, 1.0);
|
||||
color_xyY_to_XYZ (&w);
|
||||
|
||||
color_matrix_set_identity (dst);
|
||||
|
||||
dst->m[0][0] = r.v[0];
|
||||
dst->m[0][1] = r.v[1];
|
||||
dst->m[0][2] = r.v[2];
|
||||
dst->m[1][0] = g.v[0];
|
||||
dst->m[1][1] = g.v[1];
|
||||
dst->m[1][2] = g.v[2];
|
||||
dst->m[2][0] = b.v[0];
|
||||
dst->m[2][1] = b.v[1];
|
||||
dst->m[2][2] = b.v[2];
|
||||
|
||||
color_matrix_dump (dst);
|
||||
color_matrix_copy (&m, dst);
|
||||
color_matrix_invert (&m);
|
||||
color_matrix_dump (&m);
|
||||
|
||||
color_matrix_transpose (&m);
|
||||
color_matrix_apply (&m, &scale, &w);
|
||||
g_print ("%g %g %g\n", scale.v[0], scale.v[1], scale.v[2]);
|
||||
|
||||
dst->m[0][0] = r.v[0] * scale.v[0];
|
||||
dst->m[0][1] = r.v[1] * scale.v[0];
|
||||
dst->m[0][2] = r.v[2] * scale.v[0];
|
||||
dst->m[1][0] = g.v[0] * scale.v[1];
|
||||
dst->m[1][1] = g.v[1] * scale.v[1];
|
||||
dst->m[1][2] = g.v[2] * scale.v[1];
|
||||
dst->m[2][0] = b.v[0] * scale.v[2];
|
||||
dst->m[2][1] = b.v[1] * scale.v[2];
|
||||
dst->m[2][2] = b.v[2] * scale.v[2];
|
||||
|
||||
color_matrix_transpose (dst);
|
||||
color_matrix_dump (dst);
|
||||
|
||||
color_set (&scale, 1, 1, 1);
|
||||
color_matrix_apply (dst, &scale, &scale);
|
||||
color_XYZ_to_xyY (&scale);
|
||||
g_print ("white %g %g %g\n", scale.v[0], scale.v[1], scale.v[2]);
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_build_rgb_to_XYZ_601 (ColorMatrix * dst)
|
||||
{
|
||||
/* SMPTE C primaries, SMPTE 170M-2004 */
|
||||
color_matrix_build_XYZ (dst,
|
||||
0.630, 0.340, 0.310, 0.595, 0.155, 0.070, 0.3127, 0.3290);
|
||||
#if 0
|
||||
/* NTSC 1953 primaries, SMPTE 170M-2004 */
|
||||
color_matrix_build_XYZ (dst,
|
||||
0.67, 0.33, 0.21, 0.71, 0.14, 0.08, 0.3127, 0.3290);
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_build_XYZ_to_rgb_709 (ColorMatrix * dst)
|
||||
{
|
||||
/* Rec. ITU-R BT.709-5 */
|
||||
color_matrix_build_XYZ (dst,
|
||||
0.640, 0.330, 0.300, 0.600, 0.150, 0.060, 0.3127, 0.3290);
|
||||
}
|
||||
|
||||
void
|
||||
color_matrix_build_XYZ_to_rgb_dell (ColorMatrix * dst)
|
||||
{
|
||||
/* Dell monitor */
|
||||
#if 1
|
||||
color_matrix_build_XYZ (dst,
|
||||
0.662, 0.329, 0.205, 0.683, 0.146, 0.077, 0.3135, 0.3290);
|
||||
#endif
|
||||
#if 0
|
||||
color_matrix_build_XYZ (dst,
|
||||
0.630, 0.340, 0.310, 0.595, 0.155, 0.070, 0.3127, 0.3290);
|
||||
#endif
|
||||
color_matrix_invert (dst);
|
||||
}
|
||||
|
||||
void
|
||||
color_transfer_function_apply (Color * dest, Color * src)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 3; i++) {
|
||||
if (src->v[i] < 0.0812) {
|
||||
dest->v[i] = src->v[i] / 4.500;
|
||||
} else {
|
||||
dest->v[i] = pow (src->v[i] + 0.099, 1 / 0.4500);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
color_transfer_function_unapply (Color * dest, Color * src)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 3; i++) {
|
||||
if (src->v[i] < 0.0812 / 4.500) {
|
||||
dest->v[i] = src->v[i] * 4.500;
|
||||
} else {
|
||||
dest->v[i] = pow (src->v[i], 0.4500) - 0.099;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
color_gamut_clamp (Color * dest, Color * src)
|
||||
{
|
||||
dest->v[0] = CLAMP (src->v[0], 0.0, 1.0);
|
||||
dest->v[1] = CLAMP (src->v[1], 0.0, 1.0);
|
||||
dest->v[2] = CLAMP (src->v[2], 0.0, 1.0);
|
||||
}
|
||||
|
||||
#if 0
|
||||
static guint8 *
|
||||
get_color_transform_table (void)
|
||||
{
|
||||
static guint8 *color_transform_table = NULL;
|
||||
|
||||
#if 1
|
||||
if (!color_transform_table) {
|
||||
ColorMatrix bt601_to_rgb;
|
||||
ColorMatrix bt601_to_yuv;
|
||||
ColorMatrix bt601_rgb_to_XYZ;
|
||||
ColorMatrix dell_XYZ_to_rgb;
|
||||
guint8 *table_y;
|
||||
guint8 *table_u;
|
||||
guint8 *table_v;
|
||||
int y, u, v;
|
||||
|
||||
color_matrix_build_yuv_to_rgb_601 (&bt601_to_rgb);
|
||||
color_matrix_build_rgb_to_yuv_601 (&bt601_to_yuv);
|
||||
color_matrix_build_rgb_to_XYZ_601 (&bt601_rgb_to_XYZ);
|
||||
color_matrix_build_XYZ_to_rgb_dell (&dell_XYZ_to_rgb);
|
||||
|
||||
color_transform_table = g_malloc (0x1000000 * 3);
|
||||
|
||||
table_y = COG_OFFSET (color_transform_table, 0 * 0x1000000);
|
||||
table_u = COG_OFFSET (color_transform_table, 1 * 0x1000000);
|
||||
table_v = COG_OFFSET (color_transform_table, 2 * 0x1000000);
|
||||
|
||||
for (y = 0; y < 256; y++) {
|
||||
for (u = 0; u < 256; u++) {
|
||||
for (v = 0; v < 256; v++) {
|
||||
Color c;
|
||||
|
||||
c.v[0] = y;
|
||||
c.v[1] = u;
|
||||
c.v[2] = v;
|
||||
color_matrix_apply (&bt601_to_rgb, &c, &c);
|
||||
color_gamut_clamp (&c, &c);
|
||||
color_transfer_function_apply (&c, &c);
|
||||
color_matrix_apply (&bt601_rgb_to_XYZ, &c, &c);
|
||||
color_matrix_apply (&dell_XYZ_to_rgb, &c, &c);
|
||||
color_transfer_function_unapply (&c, &c);
|
||||
color_gamut_clamp (&c, &c);
|
||||
color_matrix_apply (&bt601_to_yuv, &c, &c);
|
||||
|
||||
table_y[(y << 16) | (u << 8) | (v)] = rint (c.v[0]);
|
||||
table_u[(y << 16) | (u << 8) | (v)] = rint (c.v[1]);
|
||||
table_v[(y << 16) | (u << 8) | (v)] = rint (c.v[2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#if 0
|
||||
if (!color_transform_table) {
|
||||
ColorMatrix bt709_to_bt601;
|
||||
guint8 *table_y;
|
||||
guint8 *table_u;
|
||||
guint8 *table_v;
|
||||
int y, u, v;
|
||||
|
||||
color_matrix_build_bt709_to_bt601 (&bt709_to_bt601);
|
||||
|
||||
color_transform_table = g_malloc (0x1000000 * 3);
|
||||
|
||||
table_y = COG_OFFSET (color_transform_table, 0 * 0x1000000);
|
||||
table_u = COG_OFFSET (color_transform_table, 1 * 0x1000000);
|
||||
table_v = COG_OFFSET (color_transform_table, 2 * 0x1000000);
|
||||
|
||||
for (y = 0; y < 256; y++) {
|
||||
for (u = 0; u < 256; u++) {
|
||||
for (v = 0; v < 256; v++) {
|
||||
Color c;
|
||||
|
||||
c.v[0] = y;
|
||||
c.v[1] = u;
|
||||
c.v[2] = v;
|
||||
color_matrix_apply (&bt709_to_bt601, &c, &c);
|
||||
|
||||
table_y[(y << 16) | (u << 8) | (v)] = rint (c.v[0]);
|
||||
table_u[(y << 16) | (u << 8) | (v)] = rint (c.v[1]);
|
||||
table_v[(y << 16) | (u << 8) | (v)] = rint (c.v[2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
return color_transform_table;
|
||||
}
|
||||
#endif
|
||||
71
gst/videomixer/gstcms.h
Normal file
71
gst/videomixer/gstcms.h
Normal file
|
|
@ -0,0 +1,71 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2008 David Schleef <ds@entropywave.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _GST_CMS_H_
|
||||
#define _GST_CMS_H_
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _Color Color;
|
||||
typedef struct _ColorMatrix ColorMatrix;
|
||||
|
||||
struct _Color
|
||||
{
|
||||
double v[3];
|
||||
};
|
||||
|
||||
struct _ColorMatrix
|
||||
{
|
||||
double m[4][4];
|
||||
};
|
||||
|
||||
void color_xyY_to_XYZ (Color * c);
|
||||
void color_XYZ_to_xyY (Color * c);
|
||||
void color_set (Color * c, double x, double y, double z);
|
||||
void color_matrix_set_identity (ColorMatrix * m);
|
||||
void color_matrix_dump (ColorMatrix * m);
|
||||
void color_matrix_multiply (ColorMatrix * dst, ColorMatrix * a, ColorMatrix * b);
|
||||
void color_matrix_apply (ColorMatrix * m, Color * dest, Color * src);
|
||||
void color_matrix_offset_components (ColorMatrix * m, double a1, double a2,
|
||||
double a3);
|
||||
void color_matrix_scale_components (ColorMatrix * m, double a1, double a2, double a3);
|
||||
void color_matrix_YCbCr_to_RGB (ColorMatrix * m, double Kr, double Kb);
|
||||
void color_matrix_RGB_to_YCbCr (ColorMatrix * m, double Kr, double Kb);
|
||||
void color_matrix_build_yuv_to_rgb_601 (ColorMatrix * dst);
|
||||
void color_matrix_build_bt709_to_bt601 (ColorMatrix * dst);
|
||||
void color_matrix_build_rgb_to_yuv_601 (ColorMatrix * dst);
|
||||
void color_matrix_invert (ColorMatrix * m);
|
||||
void color_matrix_copy (ColorMatrix * dest, ColorMatrix * src);
|
||||
void color_matrix_transpose (ColorMatrix * m);
|
||||
void color_matrix_build_XYZ (ColorMatrix * dst,
|
||||
double rx, double ry,
|
||||
double gx, double gy, double bx, double by, double wx, double wy);
|
||||
void color_matrix_build_rgb_to_XYZ_601 (ColorMatrix * dst);
|
||||
void color_matrix_build_XYZ_to_rgb_709 (ColorMatrix * dst);
|
||||
void color_matrix_build_XYZ_to_rgb_dell (ColorMatrix * dst);
|
||||
void color_transfer_function_apply (Color * dest, Color * src);
|
||||
void color_transfer_function_unapply (Color * dest, Color * src);
|
||||
void color_gamut_clamp (Color * dest, Color * src);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif
|
||||
|
||||
1420
gst/videomixer/videoconvert.c
Normal file
1420
gst/videomixer/videoconvert.c
Normal file
File diff suppressed because it is too large
Load diff
80
gst/videomixer/videoconvert.h
Normal file
80
gst/videomixer/videoconvert.h
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
/* Video conversion functions
|
||||
* Copyright (C) 2010 David Schleef <ds@schleef.org>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef __COLORSPACE_H__
|
||||
#define __COLORSPACE_H__
|
||||
|
||||
#include <gst/video/video.h>
|
||||
#include "gstcms.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _VideoConvert VideoConvert;
|
||||
|
||||
typedef enum {
|
||||
DITHER_NONE,
|
||||
DITHER_VERTERR,
|
||||
DITHER_HALFTONE
|
||||
} ColorSpaceDitherMethod;
|
||||
|
||||
struct _VideoConvert {
|
||||
GstVideoInfo in_info;
|
||||
GstVideoInfo out_info;
|
||||
|
||||
gint width;
|
||||
gint height;
|
||||
|
||||
gint in_bits;
|
||||
gint out_bits;
|
||||
gint cmatrix[4][4];
|
||||
|
||||
ColorSpaceDitherMethod dither;
|
||||
|
||||
guint lines;
|
||||
|
||||
guint n_tmplines;
|
||||
gpointer *tmplines;
|
||||
guint16 *errline;
|
||||
|
||||
GstVideoChromaResample *upsample;
|
||||
guint up_n_lines;
|
||||
gint up_offset;
|
||||
GstVideoChromaResample *downsample;
|
||||
guint down_n_lines;
|
||||
gint down_offset;
|
||||
|
||||
void (*convert) (VideoConvert *convert, GstVideoFrame *dest, const GstVideoFrame *src);
|
||||
void (*matrix) (VideoConvert *convert, gpointer pixels);
|
||||
void (*dither16) (VideoConvert *convert, guint16 * pixels, int j);
|
||||
|
||||
};
|
||||
|
||||
VideoConvert * videomixer_videoconvert_convert_new (GstVideoInfo *in_info,
|
||||
GstVideoInfo *out_info);
|
||||
void videomixer_videoconvert_convert_free (VideoConvert * convert);
|
||||
|
||||
void videomixer_videoconvert_convert_set_dither (VideoConvert * convert, int type);
|
||||
|
||||
void videomixer_videoconvert_convert_convert (VideoConvert * convert,
|
||||
GstVideoFrame *dest, const GstVideoFrame *src);
|
||||
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_COLORSPACE_H__ */
|
||||
|
|
@ -86,6 +86,7 @@
|
|||
|
||||
#include "videomixer2.h"
|
||||
#include "videomixer2pad.h"
|
||||
#include "videoconvert.h"
|
||||
|
||||
#ifdef DISABLE_ORC
|
||||
#define orc_memset memset
|
||||
|
|
|
|||
1516
gst/videomixer/videomixerorc.orc
Normal file
1516
gst/videomixer/videomixerorc.orc
Normal file
File diff suppressed because it is too large
Load diff
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Reference in a new issue