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videomixer: port blend function

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This commit is contained in:
Wim Taymans 2012-01-25 18:00:52 +01:00
parent 03b9966bc0
commit 3f1bccbb17
2 changed files with 148 additions and 83 deletions
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224
gst/videomixer/blend.c
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@ -43,15 +43,21 @@ GST_DEBUG_CATEGORY_STATIC (gst_videomixer_blend_debug);
/* A32 is for AYUV, ARGB and BGRA */ /* A32 is for AYUV, ARGB and BGRA */
#define BLEND_A32(name, method, LOOP) \ #define BLEND_A32(name, method, LOOP) \
static void \ static void \
method##_ ##name (const guint8 * src, gint xpos, gint ypos, \ method##_ ##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
gint src_width, gint src_height, gdouble src_alpha, \ gint src_width, gint src_height, gdouble src_alpha, \
guint8 * dest, gint dest_width, gint dest_height) \ GstVideoFrame * destframe) \
{ \ { \
guint s_alpha; \ guint s_alpha; \
gint src_stride, dest_stride; \ gint src_stride, dest_stride; \
gint dest_width, dest_height; \
guint8 *src, *dest; \
\ \
src_stride = src_width * 4; \ src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
dest_stride = dest_width * 4; \ src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
dest_width = GST_VIDEO_FRAME_COMP_WIDTH (destframe, 0); \
dest_height = GST_VIDEO_FRAME_COMP_HEIGHT (destframe, 0); \
\ \
s_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \ s_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
\ \
@ -112,11 +118,17 @@ BLEND_A32 (bgra, overlay, _overlay_loop_argb);
#define A32_CHECKER_C(name, RGB, A, C1, C2, C3) \ #define A32_CHECKER_C(name, RGB, A, C1, C2, C3) \
static void \ static void \
fill_checker_##name##_c (guint8 * dest, gint width, gint height) \ fill_checker_##name##_c (GstVideoFrame * frame) \
{ \ { \
gint i, j; \ gint i, j; \
gint val; \ gint val; \
static const gint tab[] = { 80, 160, 80, 160 }; \ static const gint tab[] = { 80, 160, 80, 160 }; \
gint width, height; \
guint8 *dest; \
\
dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
\ \
if (!RGB) { \ if (!RGB) { \
for (i = 0; i < height; i++) { \ for (i = 0; i < height; i++) { \
@ -152,10 +164,16 @@ A32_CHECKER_C (ayuv, FALSE, 0, 1, 2, 3);
#define A32_COLOR(name, RGB, A, C1, C2, C3) \ #define A32_COLOR(name, RGB, A, C1, C2, C3) \
static void \ static void \
fill_color_##name (guint8 * dest, gint width, gint height, gint Y, gint U, gint V) \ fill_color_##name (GstVideoFrame * frame, gint Y, gint U, gint V) \
{ \ { \
gint c1, c2, c3; \ gint c1, c2, c3; \
guint32 val; \ guint32 val; \
gint width, height; \
guint8 *dest; \
\
dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
\ \
if (RGB) { \ if (RGB) { \
c1 = YUV_TO_R (Y, U, V); \ c1 = YUV_TO_R (Y, U, V); \
@ -210,9 +228,9 @@ _blend_##format_name (const guint8 * src, guint8 * dest, \
} \ } \
\ \
static void \ static void \
blend_##format_name (const guint8 * src, gint xpos, gint ypos, \ blend_##format_name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
gint src_width, gint src_height, gdouble src_alpha, \ gint src_width, gint src_height, gdouble src_alpha, \
guint8 * dest, gint dest_width, gint dest_height) \ GstVideoFrame * destframe) \
{ \ { \
const guint8 *b_src; \ const guint8 *b_src; \
guint8 *b_dest; \ guint8 *b_dest; \
@ -225,6 +243,12 @@ blend_##format_name (const guint8 * src, gint xpos, gint ypos, \
gint src_comp_width; \ gint src_comp_width; \
gint comp_ypos, comp_xpos; \ gint comp_ypos, comp_xpos; \
gint comp_yoffset, comp_xoffset; \ gint comp_yoffset, comp_xoffset; \
gint dest_width, dest_height; \
const GstVideoFormatInfo *info; \
\
info = srcframe->info.finfo; \
dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
dest_height = GST_VIDEO_FRAME_WIDTH (destframe); \
\ \
xpos = x_round (xpos); \ xpos = x_round (xpos); \
ypos = y_round (ypos); \ ypos = y_round (ypos); \
@ -257,48 +281,48 @@ blend_##format_name (const guint8 * src, gint xpos, gint ypos, \
} \ } \
\ \
/* First mix Y, then U, then V */ \ /* First mix Y, then U, then V */ \
b_src = src + gst_video_format_get_component_offset (format_enum, 0, src_width, src_height); \ b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 0); \
b_dest = dest + gst_video_format_get_component_offset (format_enum, 0, dest_width, dest_height); \ b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 0); \
src_comp_rowstride = gst_video_format_get_row_stride (format_enum, 0, src_width); \ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
dest_comp_rowstride = gst_video_format_get_row_stride (format_enum, 0, dest_width); \ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
src_comp_height = gst_video_format_get_component_height (format_enum, 0, b_src_height); \ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 0, b_src_width); \
src_comp_width = gst_video_format_get_component_width (format_enum, 0, b_src_width); \ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 0, b_src_height); \
comp_xpos = (xpos == 0) ? 0 : gst_video_format_get_component_width (format_enum, 0, xpos); \ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xpos); \
comp_ypos = (ypos == 0) ? 0 : gst_video_format_get_component_height (format_enum, 0, ypos); \ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, ypos); \
comp_xoffset = (xoffset == 0) ? 0 : gst_video_format_get_component_width (format_enum, 0, xoffset); \ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xoffset); \
comp_yoffset = (yoffset == 0) ? 0 : gst_video_format_get_component_height (format_enum, 0, yoffset); \ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, yoffset); \
_blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \ _blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \ b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
src_comp_rowstride, \ src_comp_rowstride, \
dest_comp_rowstride, src_comp_width, src_comp_height, \ dest_comp_rowstride, src_comp_width, src_comp_height, \
src_alpha); \ src_alpha); \
\ \
b_src = src + gst_video_format_get_component_offset (format_enum, 1, src_width, src_height); \ b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 1); \
b_dest = dest + gst_video_format_get_component_offset (format_enum, 1, dest_width, dest_height); \ b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 1); \
src_comp_rowstride = gst_video_format_get_row_stride (format_enum, 1, src_width); \ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 1); \
dest_comp_rowstride = gst_video_format_get_row_stride (format_enum, 1, dest_width); \ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 1); \
src_comp_height = gst_video_format_get_component_height (format_enum, 1, b_src_height); \ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 1, b_src_width); \
src_comp_width = gst_video_format_get_component_width (format_enum, 1, b_src_width); \ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 1, b_src_height); \
comp_xpos = (xpos == 0) ? 0 : gst_video_format_get_component_width (format_enum, 1, xpos); \ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xpos); \
comp_ypos = (ypos == 0) ? 0 : gst_video_format_get_component_height (format_enum, 1, ypos); \ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, ypos); \
comp_xoffset = (xoffset == 0) ? 0 : gst_video_format_get_component_width (format_enum, 1, xoffset); \ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xoffset); \
comp_yoffset = (yoffset == 0) ? 0 : gst_video_format_get_component_height (format_enum, 1, yoffset); \ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, yoffset); \
_blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \ _blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \ b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
src_comp_rowstride, \ src_comp_rowstride, \
dest_comp_rowstride, src_comp_width, src_comp_height, \ dest_comp_rowstride, src_comp_width, src_comp_height, \
src_alpha); \ src_alpha); \
\ \
b_src = src + gst_video_format_get_component_offset (format_enum, 2, src_width, src_height); \ b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 2); \
b_dest = dest + gst_video_format_get_component_offset (format_enum, 2, dest_width, dest_height); \ b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 2); \
src_comp_rowstride = gst_video_format_get_row_stride (format_enum, 2, src_width); \ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 2); \
dest_comp_rowstride = gst_video_format_get_row_stride (format_enum, 2, dest_width); \ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 2); \
src_comp_height = gst_video_format_get_component_height (format_enum, 2, b_src_height); \ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 2, b_src_width); \
src_comp_width = gst_video_format_get_component_width (format_enum, 2, b_src_width); \ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 2, b_src_height); \
comp_xpos = (xpos == 0) ? 0 : gst_video_format_get_component_width (format_enum, 2, xpos); \ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 2, xpos); \
comp_ypos = (ypos == 0) ? 0 : gst_video_format_get_component_height (format_enum, 2, ypos); \ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 2, ypos); \
comp_xoffset = (xoffset == 0) ? 0 : gst_video_format_get_component_width (format_enum, 2, xoffset); \ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 2, xoffset); \
comp_yoffset = (yoffset == 0) ? 0 : gst_video_format_get_component_height (format_enum, 2, yoffset); \ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 2, yoffset); \
_blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \ _blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \ b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
src_comp_rowstride, \ src_comp_rowstride, \
@ -308,7 +332,7 @@ blend_##format_name (const guint8 * src, gint xpos, gint ypos, \
#define PLANAR_YUV_FILL_CHECKER(format_name, format_enum, MEMSET) \ #define PLANAR_YUV_FILL_CHECKER(format_name, format_enum, MEMSET) \
static void \ static void \
fill_checker_##format_name (guint8 * dest, gint width, gint height) \ fill_checker_##format_name (GstVideoFrame * frame) \
{ \ { \
gint i, j; \ gint i, j; \
static const int tab[] = { 80, 160, 80, 160 }; \ static const int tab[] = { 80, 160, 80, 160 }; \
@ -316,10 +340,10 @@ fill_checker_##format_name (guint8 * dest, gint width, gint height) \
gint comp_width, comp_height; \ gint comp_width, comp_height; \
gint rowstride; \ gint rowstride; \
\ \
p = dest + gst_video_format_get_component_offset (format_enum, 0, width, height); \ p = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
comp_width = gst_video_format_get_component_width (format_enum, 0, width); \ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
comp_height = gst_video_format_get_component_height (format_enum, 0, height); \ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
rowstride = gst_video_format_get_row_stride (format_enum, 0, width); \ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
\ \
for (i = 0; i < comp_height; i++) { \ for (i = 0; i < comp_height; i++) { \
for (j = 0; j < comp_width; j++) { \ for (j = 0; j < comp_width; j++) { \
@ -328,20 +352,20 @@ fill_checker_##format_name (guint8 * dest, gint width, gint height) \
p += rowstride - comp_width; \ p += rowstride - comp_width; \
} \ } \
\ \
p = dest + gst_video_format_get_component_offset (format_enum, 1, width, height); \ p = GST_VIDEO_FRAME_COMP_DATA (frame, 1); \
comp_width = gst_video_format_get_component_width (format_enum, 1, width); \ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
comp_height = gst_video_format_get_component_height (format_enum, 1, height); \ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
rowstride = gst_video_format_get_row_stride (format_enum, 1, width); \ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
\ \
for (i = 0; i < comp_height; i++) { \ for (i = 0; i < comp_height; i++) { \
MEMSET (p, 0x80, comp_width); \ MEMSET (p, 0x80, comp_width); \
p += rowstride; \ p += rowstride; \
} \ } \
\ \
p = dest + gst_video_format_get_component_offset (format_enum, 2, width, height); \ p = GST_VIDEO_FRAME_COMP_DATA (frame, 2); \
comp_width = gst_video_format_get_component_width (format_enum, 2, width); \ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 2); \
comp_height = gst_video_format_get_component_height (format_enum, 2, height); \ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 2); \
rowstride = gst_video_format_get_row_stride (format_enum, 2, width); \ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 2); \
\ \
for (i = 0; i < comp_height; i++) { \ for (i = 0; i < comp_height; i++) { \
MEMSET (p, 0x80, comp_width); \ MEMSET (p, 0x80, comp_width); \
@ -351,7 +375,7 @@ fill_checker_##format_name (guint8 * dest, gint width, gint height) \
#define PLANAR_YUV_FILL_COLOR(format_name,format_enum,MEMSET) \ #define PLANAR_YUV_FILL_COLOR(format_name,format_enum,MEMSET) \
static void \ static void \
fill_color_##format_name (guint8 * dest, gint width, gint height, \ fill_color_##format_name (GstVideoFrame * frame, \
gint colY, gint colU, gint colV) \ gint colY, gint colU, gint colV) \
{ \ { \
guint8 *p; \ guint8 *p; \
@ -359,30 +383,30 @@ fill_color_##format_name (guint8 * dest, gint width, gint height, \
gint rowstride; \ gint rowstride; \
gint i; \ gint i; \
\ \
p = dest + gst_video_format_get_component_offset (format_enum, 0, width, height); \ p = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
comp_width = gst_video_format_get_component_width (format_enum, 0, width); \ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
comp_height = gst_video_format_get_component_height (format_enum, 0, height); \ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
rowstride = gst_video_format_get_row_stride (format_enum, 0, width); \ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
\ \
for (i = 0; i < comp_height; i++) { \ for (i = 0; i < comp_height; i++) { \
MEMSET (p, colY, comp_width); \ MEMSET (p, colY, comp_width); \
p += rowstride; \ p += rowstride; \
} \ } \
\ \
p = dest + gst_video_format_get_component_offset (format_enum, 1, width, height); \ p = GST_VIDEO_FRAME_COMP_DATA (frame, 1); \
comp_width = gst_video_format_get_component_width (format_enum, 1, width); \ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
comp_height = gst_video_format_get_component_height (format_enum, 1, height); \ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
rowstride = gst_video_format_get_row_stride (format_enum, 1, width); \ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
\ \
for (i = 0; i < comp_height; i++) { \ for (i = 0; i < comp_height; i++) { \
MEMSET (p, colU, comp_width); \ MEMSET (p, colU, comp_width); \
p += rowstride; \ p += rowstride; \
} \ } \
\ \
p = dest + gst_video_format_get_component_offset (format_enum, 2, width, height); \ p = GST_VIDEO_FRAME_COMP_DATA (frame, 2); \
comp_width = gst_video_format_get_component_width (format_enum, 2, width); \ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 2); \
comp_height = gst_video_format_get_component_height (format_enum, 2, height); \ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 2); \
rowstride = gst_video_format_get_row_stride (format_enum, 2, width); \ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 2); \
\ \
for (i = 0; i < comp_height; i++) { \ for (i = 0; i < comp_height; i++) { \
MEMSET (p, colV, comp_width); \ MEMSET (p, colV, comp_width); \
@ -414,16 +438,24 @@ PLANAR_YUV_FILL_COLOR (y41b, GST_VIDEO_FORMAT_Y41B, memset);
#define RGB_BLEND(name, bpp, MEMCPY, BLENDLOOP) \ #define RGB_BLEND(name, bpp, MEMCPY, BLENDLOOP) \
static void \ static void \
blend_##name (const guint8 * src, gint xpos, gint ypos, \ blend_##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
gint src_width, gint src_height, gdouble src_alpha, \ gint src_width, gint src_height, gdouble src_alpha, \
guint8 * dest, gint dest_width, gint dest_height) \ GstVideoFrame * destframe) \
{ \ { \
gint b_alpha; \ gint b_alpha; \
gint i; \ gint i; \
gint src_stride, dest_stride; \ gint src_stride, dest_stride; \
gint dest_width, dest_height; \
guint8 *dest, *src; \
\ \
src_stride = GST_ROUND_UP_4 (src_width * bpp); \ src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
dest_stride = GST_ROUND_UP_4 (dest_width * bpp); \ dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
\
dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
\
src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
\ \
b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \ b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
\ \
@ -469,11 +501,18 @@ blend_##name (const guint8 * src, gint xpos, gint ypos, \
#define RGB_FILL_CHECKER_C(name, bpp, r, g, b) \ #define RGB_FILL_CHECKER_C(name, bpp, r, g, b) \
static void \ static void \
fill_checker_##name##_c (guint8 * dest, gint width, gint height) \ fill_checker_##name##_c (GstVideoFrame * frame) \
{ \ { \
gint i, j; \ gint i, j; \
static const int tab[] = { 80, 160, 80, 160 }; \ static const int tab[] = { 80, 160, 80, 160 }; \
gint dest_add = GST_ROUND_UP_4 (width * bpp) - width * bpp; \ gint stride, dest_add, width, height; \
guint8 *dest; \
\
width = GST_VIDEO_FRAME_WIDTH (frame); \
height = GST_VIDEO_FRAME_HEIGHT (frame); \
dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
dest_add = stride - width * bpp; \
\ \
for (i = 0; i < height; i++) { \ for (i = 0; i < height; i++) { \
for (j = 0; j < width; j++) { \ for (j = 0; j < width; j++) { \
@ -488,12 +527,19 @@ fill_checker_##name##_c (guint8 * dest, gint width, gint height) \
#define RGB_FILL_COLOR(name, bpp, MEMSET_RGB) \ #define RGB_FILL_COLOR(name, bpp, MEMSET_RGB) \
static void \ static void \
fill_color_##name (guint8 * dest, gint width, gint height, \ fill_color_##name (GstVideoFrame * frame, \
gint colY, gint colU, gint colV) \ gint colY, gint colU, gint colV) \
{ \ { \
gint red, green, blue; \ gint red, green, blue; \
gint i; \ gint i; \
gint dest_stride = GST_ROUND_UP_4 (width * bpp); \ gint dest_stride; \
gint width, height; \
guint8 *dest; \
\
width = GST_VIDEO_FRAME_WIDTH (frame); \
height = GST_VIDEO_FRAME_HEIGHT (frame); \
dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
\ \
red = YUV_TO_R (colY, colU, colV); \ red = YUV_TO_R (colY, colU, colV); \
green = YUV_TO_G (colY, colU, colV); \ green = YUV_TO_G (colY, colU, colV); \
@ -555,16 +601,24 @@ RGB_FILL_COLOR (bgrx, 4, _memset_bgrx);
#define PACKED_422_BLEND(name, MEMCPY, BLENDLOOP) \ #define PACKED_422_BLEND(name, MEMCPY, BLENDLOOP) \
static void \ static void \
blend_##name (const guint8 * src, gint xpos, gint ypos, \ blend_##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
gint src_width, gint src_height, gdouble src_alpha, \ gint src_width, gint src_height, gdouble src_alpha, \
guint8 * dest, gint dest_width, gint dest_height) \ GstVideoFrame * destframe) \
{ \ { \
gint b_alpha; \ gint b_alpha; \
gint i; \ gint i; \
gint src_stride, dest_stride; \ gint src_stride, dest_stride; \
gint dest_width, dest_height; \
guint8 *src, *dest; \
\ \
src_stride = GST_ROUND_UP_4 (src_width * 2); \ dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
dest_stride = GST_ROUND_UP_4 (dest_width * 2); \ dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
\
src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
\
src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
\ \
b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \ b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
\ \
@ -613,14 +667,19 @@ blend_##name (const guint8 * src, gint xpos, gint ypos, \
#define PACKED_422_FILL_CHECKER_C(name, Y1, U, Y2, V) \ #define PACKED_422_FILL_CHECKER_C(name, Y1, U, Y2, V) \
static void \ static void \
fill_checker_##name##_c (guint8 * dest, gint width, gint height) \ fill_checker_##name##_c (GstVideoFrame * frame) \
{ \ { \
gint i, j; \ gint i, j; \
static const int tab[] = { 80, 160, 80, 160 }; \ static const int tab[] = { 80, 160, 80, 160 }; \
gint dest_add; \ gint dest_add; \
gint width, height; \
guint8 *dest; \
\ \
width = GST_VIDEO_FRAME_WIDTH (frame); \
width = GST_ROUND_UP_2 (width); \ width = GST_ROUND_UP_2 (width); \
dest_add = GST_ROUND_UP_4 (width * 2) - width * 2; \ height = GST_VIDEO_FRAME_HEIGHT (frame); \
dest = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
dest_add = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0) - width * 2; \
width /= 2; \ width /= 2; \
\ \
for (i = 0; i < height; i++) { \ for (i = 0; i < height; i++) { \
@ -637,15 +696,20 @@ fill_checker_##name##_c (guint8 * dest, gint width, gint height) \
#define PACKED_422_FILL_COLOR(name, Y1, U, Y2, V) \ #define PACKED_422_FILL_COLOR(name, Y1, U, Y2, V) \
static void \ static void \
fill_color_##name (guint8 * dest, gint width, gint height, \ fill_color_##name (GstVideoFrame * frame, \
gint colY, gint colU, gint colV) \ gint colY, gint colU, gint colV) \
{ \ { \
gint i; \ gint i; \
gint dest_stride; \ gint dest_stride; \
guint32 val; \ guint32 val; \
gint width, height; \
guint8 *dest; \
\ \
width = GST_VIDEO_FRAME_WIDTH (frame); \
width = GST_ROUND_UP_2 (width); \ width = GST_ROUND_UP_2 (width); \
dest_stride = GST_ROUND_UP_4 (width * 2); \ height = GST_VIDEO_FRAME_HEIGHT (frame); \
dest = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
width /= 2; \ width /= 2; \
\ \
val = GUINT32_FROM_BE ((colY << Y1) | (colY << Y2) | (colU << U) | (colV << V)); \ val = GUINT32_FROM_BE ((colY << Y1) | (colY << Y2) | (colU << U) | (colV << V)); \

7
gst/videomixer/blend.h
View file

@ -21,10 +21,11 @@
#define __BLEND_H__ #define __BLEND_H__
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/video/video.h>
typedef void (*BlendFunction) (const guint8 * src, gint xpos, gint ypos, gint src_width, gint src_height, gdouble src_alpha, guint8 * dest, gint dest_width, gint dest_height); typedef void (*BlendFunction) (GstVideoFrame *srcframe, gint xpos, gint ypos, gint src_width, gint src_height, gdouble src_alpha, GstVideoFrame * destframe);
typedef void (*FillCheckerFunction) (guint8 * dest, gint width, gint height); typedef void (*FillCheckerFunction) (GstVideoFrame * frame);
typedef void (*FillColorFunction) (guint8 * dest, gint width, gint height, gint c1, gint c2, gint c3); typedef void (*FillColorFunction) (GstVideoFrame * frame, gint c1, gint c2, gint c3);
extern BlendFunction gst_video_mixer_blend_argb; extern BlendFunction gst_video_mixer_blend_argb;
extern BlendFunction gst_video_mixer_blend_bgra; extern BlendFunction gst_video_mixer_blend_bgra;