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gstreamer/gst/videotestsrc/videotestsrc.c
Tim-Philipp Müller 747d52adb3 gst/videotestsrc/videotestsrc.c: May just as well use the precalculated uvstride here. 
Original commit message from CVS:
* gst/videotestsrc/videotestsrc.c: (paint_hline_NV12_NV21):
May just as well use the precalculated uvstride here.
2008-05-22 22:35:40 +00:00

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* non-GST-specific stuff */
#include "gstvideotestsrc.h"
#include "videotestsrc.h"
#include <liboil/liboil.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
static unsigned char
random_char (void)
{
static unsigned int state;
state *= 1103515245;
state += 12345;
return (state >> 16) & 0xff;
}
#if 0
static void
random_chars (unsigned char *dest, int nbytes)
{
int i;
static unsigned int state;
for (i = 0; i < nbytes; i++) {
state *= 1103515245;
state += 12345;
dest[i] = (state >> 16);
}
}
#endif
#if 0
static void
paint_rect_random (unsigned char *dest, int stride, int x, int y, int w, int h)
{
unsigned char *d = dest + stride * y + x;
int i;
for (i = 0; i < h; i++) {
random_chars (d, w);
d += stride;
}
}
#endif
#if 0
static void
paint_rect (unsigned char *dest, int stride, int x, int y, int w, int h,
unsigned char color)
{
unsigned char *d = dest + stride * y + x;
int i;
for (i = 0; i < h; i++) {
oil_splat_u8_ns (d, &color, w);
d += stride;
}
}
#endif
#if 0
static void
paint_rect_s2 (unsigned char *dest, int stride, int x, int y, int w, int h,
unsigned char col)
{
unsigned char *d = dest + stride * y + x * 2;
unsigned char *dp;
int i, j;
for (i = 0; i < h; i++) {
dp = d;
for (j = 0; j < w; j++) {
*dp = col;
dp += 2;
}
d += stride;
}
}
#endif
#if 0
static void
paint_rect2 (unsigned char *dest, int stride, int x, int y, int w, int h,
unsigned char *col)
{
unsigned char *d = dest + stride * y + x * 2;
unsigned char *dp;
int i, j;
for (i = 0; i < h; i++) {
dp = d;
for (j = 0; j < w; j++) {
*dp++ = col[0];
*dp++ = col[1];
}
d += stride;
}
}
#endif
#if 0
static void
paint_rect3 (unsigned char *dest, int stride, int x, int y, int w, int h,
unsigned char *col)
{
unsigned char *d = dest + stride * y + x * 3;
unsigned char *dp;
int i, j;
for (i = 0; i < h; i++) {
dp = d;
for (j = 0; j < w; j++) {
*dp++ = col[0];
*dp++ = col[1];
*dp++ = col[2];
}
d += stride;
}
}
#endif
#if 0
static void
paint_rect4 (unsigned char *dest, int stride, int x, int y, int w, int h,
unsigned char *col)
{
unsigned char *d = dest + stride * y + x * 4;
unsigned char *dp;
int i, j;
for (i = 0; i < h; i++) {
dp = d;
for (j = 0; j < w; j++) {
*dp++ = col[0];
*dp++ = col[1];
*dp++ = col[2];
*dp++ = col[3];
}
d += stride;
}
}
#endif
#if 0
static void
paint_rect_s4 (unsigned char *dest, int stride, int x, int y, int w, int h,
unsigned char col)
{
unsigned char *d = dest + stride * y + x * 4;
unsigned char *dp;
int i, j;
for (i = 0; i < h; i++) {
dp = d;
for (j = 0; j < w; j++) {
*dp = col;
dp += 4;
}
d += stride;
}
}
#endif
enum
{
COLOR_WHITE = 0,
COLOR_YELLOW,
COLOR_CYAN,
COLOR_GREEN,
COLOR_MAGENTA,
COLOR_RED,
COLOR_BLUE,
COLOR_BLACK,
COLOR_NEG_I,
COLOR_POS_Q,
COLOR_SUPER_BLACK,
COLOR_DARK_GREY
};
static const struct vts_color_struct vts_colors[] = {
/* 100% white */
{255, 128, 128, 255, 255, 255, 255},
/* yellow */
{226, 0, 155, 255, 255, 0, 255},
/* cyan */
{179, 170, 0, 0, 255, 255, 255},
/* green */
{150, 46, 21, 0, 255, 0, 255},
/* magenta */
{105, 212, 235, 255, 0, 255, 255},
/* red */
{76, 85, 255, 255, 0, 0, 255},
/* blue */
{29, 255, 107, 0, 0, 255, 255},
/* black */
{16, 128, 128, 0, 0, 0, 255},
/* -I */
{16, 198, 21, 0, 0, 128, 255},
/* +Q */
{16, 235, 198, 0, 128, 255, 255},
/* superblack */
{0, 128, 128, 0, 0, 0, 255},
/* 5% grey */
{32, 128, 128, 32, 32, 32, 255},
};
#if 0
/* wht yel cya grn mag red blu blk -I Q, superblack, dark grey */
static int y_colors[] = { 255, 226, 179, 150, 105, 76, 29, 16, 16, 16, 0, 32 };
static int u_colors[] =
{ 128, 0, 170, 46, 212, 85, 255, 128, 198, 235, 128, 128 };
static int v_colors[] =
{ 128, 155, 0, 21, 235, 255, 107, 128, 21, 198, 128, 128 };
/* wht yel cya grn mag red blu blk -I Q superblack, dark grey */
static int r_colors[] = { 255, 255, 0, 0, 255, 255, 0, 0, 0, 0, 0, 32 };
static int g_colors[] = { 255, 255, 255, 255, 0, 0, 0, 0, 0, 128, 0, 32 };
static int b_colors[] = { 255, 0, 255, 0, 255, 0, 255, 0, 128, 255, 0, 32 };
#endif
static void paint_setup_I420 (paintinfo * p, unsigned char *dest);
static void paint_setup_YV12 (paintinfo * p, unsigned char *dest);
static void paint_setup_YUY2 (paintinfo * p, unsigned char *dest);
static void paint_setup_UYVY (paintinfo * p, unsigned char *dest);
static void paint_setup_YVYU (paintinfo * p, unsigned char *dest);
static void paint_setup_IYU2 (paintinfo * p, unsigned char *dest);
static void paint_setup_Y41B (paintinfo * p, unsigned char *dest);
static void paint_setup_Y42B (paintinfo * p, unsigned char *dest);
static void paint_setup_Y800 (paintinfo * p, unsigned char *dest);
static void paint_setup_AYUV (paintinfo * p, unsigned char *dest);
static void paint_setup_NV12 (paintinfo * p, unsigned char *dest);
static void paint_setup_NV21 (paintinfo * p, unsigned char *dest);
#if 0
static void paint_setup_IMC1 (paintinfo * p, unsigned char *dest);
static void paint_setup_IMC2 (paintinfo * p, unsigned char *dest);
static void paint_setup_IMC3 (paintinfo * p, unsigned char *dest);
static void paint_setup_IMC4 (paintinfo * p, unsigned char *dest);
#endif
static void paint_setup_YUV9 (paintinfo * p, unsigned char *dest);
static void paint_setup_YVU9 (paintinfo * p, unsigned char *dest);
static void paint_setup_ARGB8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_ABGR8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_RGBA8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_BGRA8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_xRGB8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_xBGR8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_RGBx8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_BGRx8888 (paintinfo * p, unsigned char *dest);
static void paint_setup_RGB888 (paintinfo * p, unsigned char *dest);
static void paint_setup_BGR888 (paintinfo * p, unsigned char *dest);
static void paint_setup_RGB565 (paintinfo * p, unsigned char *dest);
static void paint_setup_xRGB1555 (paintinfo * p, unsigned char *dest);
static void paint_setup_bayer (paintinfo * p, unsigned char *dest);
static void paint_hline_I420 (paintinfo * p, int x, int y, int w);
static void paint_hline_NV12_NV21 (paintinfo * p, int x, int y, int w);
static void paint_hline_YUY2 (paintinfo * p, int x, int y, int w);
static void paint_hline_IYU2 (paintinfo * p, int x, int y, int w);
static void paint_hline_Y41B (paintinfo * p, int x, int y, int w);
static void paint_hline_Y42B (paintinfo * p, int x, int y, int w);
static void paint_hline_Y800 (paintinfo * p, int x, int y, int w);
static void paint_hline_AYUV (paintinfo * p, int x, int y, int w);
#if 0
static void paint_hline_IMC1 (paintinfo * p, int x, int y, int w);
#endif
static void paint_hline_YUV9 (paintinfo * p, int x, int y, int w);
static void paint_hline_str4 (paintinfo * p, int x, int y, int w);
static void paint_hline_str3 (paintinfo * p, int x, int y, int w);
static void paint_hline_RGB565 (paintinfo * p, int x, int y, int w);
static void paint_hline_xRGB1555 (paintinfo * p, int x, int y, int w);
static void paint_hline_bayer (paintinfo * p, int x, int y, int w);
struct fourcc_list_struct fourcc_list[] = {
/* packed */
{VTS_YUV, "YUY2", "YUY2", 16, paint_setup_YUY2, paint_hline_YUY2},
{VTS_YUV, "UYVY", "UYVY", 16, paint_setup_UYVY, paint_hline_YUY2},
{VTS_YUV, "Y422", "Y422", 16, paint_setup_UYVY, paint_hline_YUY2},
{VTS_YUV, "UYNV", "UYNV", 16, paint_setup_UYVY, paint_hline_YUY2}, /* FIXME: UYNV? */
{VTS_YUV, "YVYU", "YVYU", 16, paint_setup_YVYU, paint_hline_YUY2},
{VTS_YUV, "AYUV", "AYUV", 32, paint_setup_AYUV, paint_hline_AYUV},
/* interlaced */
/*{ VTS_YUV, "IUYV", "IUY2", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
/* inverted */
/*{ VTS_YUV, "cyuv", "cyuv", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ VTS_YUV, "Y41P", "Y41P", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
/* interlaced */
/*{ VTS_YUV, "IY41", "IY41", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ VTS_YUV, "Y211", "Y211", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ VTS_YUV, "Y41T", "Y41T", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ VTS_YUV, "Y42P", "Y42P", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ VTS_YUV, "CLJR", "CLJR", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ VTS_YUV, "IYU1", "IYU1", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
{VTS_YUV, "IYU2", "IYU2", 24, paint_setup_IYU2, paint_hline_IYU2},
/* planar */
/* YVU9 */
{VTS_YUV, "YVU9", "YVU9", 9, paint_setup_YVU9, paint_hline_YUV9},
/* YUV9 */
{VTS_YUV, "YUV9", "YUV9", 9, paint_setup_YUV9, paint_hline_YUV9},
/* IF09 */
/* YV12 */
{VTS_YUV, "YV12", "YV12", 12, paint_setup_YV12, paint_hline_I420},
/* I420 */
{VTS_YUV, "I420", "I420", 12, paint_setup_I420, paint_hline_I420},
/* NV12 */
{VTS_YUV, "NV12", "NV12", 12, paint_setup_NV12, paint_hline_NV12_NV21},
/* NV21 */
{VTS_YUV, "NV21", "NV21", 12, paint_setup_NV21, paint_hline_NV12_NV21},
#if 0
/* IMC1 */
{VTS_YUV, "IMC1", "IMC1", 16, paint_setup_IMC1, paint_hline_IMC1},
/* IMC2 */
{VTS_YUV, "IMC2", "IMC2", 12, paint_setup_IMC2, paint_hline_IMC1},
/* IMC3 */
{VTS_YUV, "IMC3", "IMC3", 16, paint_setup_IMC3, paint_hline_IMC1},
/* IMC4 */
{VTS_YUV, "IMC4", "IMC4", 12, paint_setup_IMC4, paint_hline_IMC1},
#endif
/* CLPL */
/* Y41B */
{VTS_YUV, "Y41B", "Y41B", 12, paint_setup_Y41B, paint_hline_Y41B},
/* Y42B */
{VTS_YUV, "Y42B", "Y42B", 16, paint_setup_Y42B, paint_hline_Y42B},
/* Y800 grayscale */
{VTS_YUV, "Y800", "Y800", 8, paint_setup_Y800, paint_hline_Y800},
{VTS_RGB, "RGB ", "xRGB8888", 32, paint_setup_xRGB8888, paint_hline_str4, 24,
0x00ff0000, 0x0000ff00, 0x000000ff},
{VTS_RGB, "RGB ", "xBGR8888", 32, paint_setup_xBGR8888, paint_hline_str4, 24,
0x000000ff, 0x0000ff00, 0x00ff0000},
{VTS_RGB, "RGB ", "RGBx8888", 32, paint_setup_RGBx8888, paint_hline_str4, 24,
0xff000000, 0x00ff0000, 0x0000ff00},
{VTS_RGB, "RGB ", "BGRx8888", 32, paint_setup_BGRx8888, paint_hline_str4, 24,
0x0000ff00, 0x00ff0000, 0xff000000},
{VTS_RGB, "RGB ", "ARGB8888", 32, paint_setup_ARGB8888, paint_hline_str4, 32,
0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000},
{VTS_RGB, "RGB ", "ABGR8888", 32, paint_setup_ABGR8888, paint_hline_str4, 32,
0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000},
{VTS_RGB, "RGB ", "RGBA8888", 32, paint_setup_RGBA8888, paint_hline_str4, 32,
0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff},
{VTS_RGB, "RGB ", "BGRA8888", 32, paint_setup_BGRA8888, paint_hline_str4, 32,
0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff},
{VTS_RGB, "RGB ", "RGB888", 24, paint_setup_RGB888, paint_hline_str3, 24,
0x00ff0000, 0x0000ff00, 0x000000ff},
{VTS_RGB, "RGB ", "BGR888", 24, paint_setup_BGR888, paint_hline_str3, 24,
0x000000ff, 0x0000ff00, 0x00ff0000},
{VTS_RGB, "RGB ", "RGB565", 16, paint_setup_RGB565, paint_hline_RGB565, 16,
0x0000f800, 0x000007e0, 0x0000001f},
{VTS_RGB, "RGB ", "xRGB1555", 16, paint_setup_xRGB1555, paint_hline_xRGB1555,
15,
0x00007c00, 0x000003e0, 0x0000001f},
{VTS_BAYER, "BAY8", "Bayer", 8, paint_setup_bayer, paint_hline_bayer}
};
int n_fourccs = G_N_ELEMENTS (fourcc_list);
struct fourcc_list_struct *
paintinfo_find_by_structure (const GstStructure * structure)
{
int i;
const char *media_type = gst_structure_get_name (structure);
int ret;
g_return_val_if_fail (structure, NULL);
if (strcmp (media_type, "video/x-raw-yuv") == 0) {
char *s;
int fourcc;
guint32 format;
ret = gst_structure_get_fourcc (structure, "format", &format);
if (!ret)
return NULL;
for (i = 0; i < n_fourccs; i++) {
s = fourcc_list[i].fourcc;
/* g_print("testing %" GST_FOURCC_FORMAT " and %s\n", GST_FOURCC_ARGS(format), s); */
fourcc = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
if (fourcc_list[i].type == VTS_YUV && fourcc == format) {
return fourcc_list + i;
}
}
} else if (strcmp (media_type, "video/x-raw-rgb") == 0) {
int red_mask;
int green_mask;
int blue_mask;
int alpha_mask;
int depth;
int bpp;
ret = gst_structure_get_int (structure, "red_mask", &red_mask);
ret &= gst_structure_get_int (structure, "green_mask", &green_mask);
ret &= gst_structure_get_int (structure, "blue_mask", &blue_mask);
ret &= gst_structure_get_int (structure, "depth", &depth);
ret &= gst_structure_get_int (structure, "bpp", &bpp);
if (depth == 32) {
ret &= gst_structure_get_int (structure, "alpha_mask", &alpha_mask);
ret &= (alpha_mask != 0);
} else {
alpha_mask = 0;
}
if (!ret) {
GST_WARNING ("incomplete caps structure: %" GST_PTR_FORMAT, structure);
return NULL;
}
for (i = 0; i < n_fourccs; i++) {
if (fourcc_list[i].type == VTS_RGB &&
fourcc_list[i].red_mask == red_mask &&
fourcc_list[i].green_mask == green_mask &&
fourcc_list[i].blue_mask == blue_mask &&
(alpha_mask == 0 || fourcc_list[i].alpha_mask == alpha_mask) &&
fourcc_list[i].depth == depth && fourcc_list[i].bitspp == bpp) {
return fourcc_list + i;
}
}
return NULL;
} else if (strcmp (media_type, "video/x-raw-bayer") == 0) {
for (i = 0; i < n_fourccs; i++) {
if (fourcc_list[i].type == VTS_BAYER) {
return fourcc_list + i;
}
}
return NULL;
}
g_critical ("format not found for media type %s", media_type);
return NULL;
}
struct fourcc_list_struct *
paintrect_find_fourcc (int find_fourcc)
{
int i;
for (i = 0; i < n_fourccs; i++) {
char *s;
int fourcc;
s = fourcc_list[i].fourcc;
fourcc = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
if (find_fourcc == fourcc) {
/* If YUV format, it's good */
if (!fourcc_list[i].type == VTS_YUV) {
return fourcc_list + i;
}
return fourcc_list + i;
}
}
return NULL;
}
struct fourcc_list_struct *
paintrect_find_name (const char *name)
{
int i;
for (i = 0; i < n_fourccs; i++) {
if (strcmp (name, fourcc_list[i].name) == 0) {
return fourcc_list + i;
}
}
return NULL;
}
GstStructure *
paint_get_structure (struct fourcc_list_struct * format)
{
GstStructure *structure = NULL;
unsigned int fourcc;
int endianness;
g_return_val_if_fail (format, NULL);
fourcc =
GST_MAKE_FOURCC (format->fourcc[0], format->fourcc[1], format->fourcc[2],
format->fourcc[3]);
switch (format->type) {
case VTS_RGB:
if (format->bitspp == 16) {
endianness = G_BYTE_ORDER;
} else {
endianness = G_BIG_ENDIAN;
}
structure = gst_structure_new ("video/x-raw-rgb",
"bpp", G_TYPE_INT, format->bitspp,
"endianness", G_TYPE_INT, endianness,
"depth", G_TYPE_INT, format->depth,
"red_mask", G_TYPE_INT, format->red_mask,
"green_mask", G_TYPE_INT, format->green_mask,
"blue_mask", G_TYPE_INT, format->blue_mask, NULL);
if (format->depth == 32 && format->alpha_mask > 0) {
gst_structure_set (structure, "alpha_mask", G_TYPE_INT,
format->alpha_mask, NULL);
}
break;
case VTS_YUV:
structure = gst_structure_new ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, fourcc, NULL);
break;
case VTS_BAYER:
structure = gst_structure_new ("video/x-raw-bayer", NULL);
break;
default:
g_assert_not_reached ();
break;
}
return structure;
}
/* returns the size in bytes for one video frame of the given dimensions
* given the fourcc in GstVideoTestSrc */
int
gst_video_test_src_get_size (GstVideoTestSrc * v, int w, int h)
{
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return 0;
fourcc->paint_setup (p, NULL);
return (unsigned long) p->endptr;
}
void
gst_video_test_src_smpte (GstVideoTestSrc * v, unsigned char *dest, int w,
int h)
{
int i;
int y1, y2;
int j;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
y1 = 2 * h / 3;
y2 = h * 0.75;
/* color bars */
for (i = 0; i < 7; i++) {
int x1 = i * w / 7;
int x2 = (i + 1) * w / 7;
p->color = vts_colors + i;
for (j = 0; j < y1; j++) {
p->paint_hline (p, x1, j, (x2 - x1));
}
}
/* inverse blue bars */
for (i = 0; i < 7; i++) {
int x1 = i * w / 7;
int x2 = (i + 1) * w / 7;
int k;
if (i & 1) {
k = 7;
} else {
k = 6 - i;
}
p->color = vts_colors + k;
for (j = y1; j < y2; j++) {
p->paint_hline (p, x1, j, (x2 - x1));
}
}
/* -I, white, Q regions */
for (i = 0; i < 3; i++) {
int x1 = i * w / 6;
int x2 = (i + 1) * w / 6;
int k;
if (i == 0) {
k = 8;
} else if (i == 1) {
k = 0;
} else
k = 9;
p->color = vts_colors + k;
for (j = y2; j < h; j++) {
p->paint_hline (p, x1, j, (x2 - x1));
}
}
/* superblack, black, dark grey */
for (i = 0; i < 3; i++) {
int x1 = w / 2 + i * w / 12;
int x2 = w / 2 + (i + 1) * w / 12;
int k;
if (i == 0) {
k = COLOR_SUPER_BLACK;
} else if (i == 1) {
k = COLOR_BLACK;
} else
k = COLOR_DARK_GREY;
p->color = vts_colors + k;
for (j = y2; j < h; j++) {
p->paint_hline (p, x1, j, (x2 - x1));
}
}
{
int x1 = w * 3 / 4;
struct vts_color_struct color;
color = vts_colors[COLOR_BLACK];
p->color = &color;
for (i = x1; i < w; i++) {
for (j = y2; j < h; j++) {
/* FIXME not strictly correct */
color.Y = random_char ();
color.R = color.Y;
color.G = color.Y;
color.B = color.Y;
p->paint_hline (p, i, j, 1);
}
}
}
}
void
gst_video_test_src_snow (GstVideoTestSrc * v, unsigned char *dest, int w, int h)
{
int i;
int j;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
struct vts_color_struct color;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
color = vts_colors[COLOR_BLACK];
p->color = &color;
for (i = 0; i < w; i++) {
for (j = 0; j < h; j++) {
/* FIXME not strictly correct */
color.Y = random_char ();
color.R = color.Y;
color.G = color.Y;
color.B = color.Y;
p->paint_hline (p, i, j, 1);
}
}
}
static void
gst_video_test_src_unicolor (GstVideoTestSrc * v, unsigned char *dest, int w,
int h, const struct vts_color_struct *color)
{
int i;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
p->color = color;
for (i = 0; i < h; i++) {
p->paint_hline (p, 0, i, w);
}
}
void
gst_video_test_src_black (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
gst_video_test_src_unicolor (v, dest, w, h, vts_colors + COLOR_BLACK);
}
void
gst_video_test_src_white (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
gst_video_test_src_unicolor (v, dest, w, h, vts_colors + COLOR_WHITE);
}
void
gst_video_test_src_red (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
gst_video_test_src_unicolor (v, dest, w, h, vts_colors + COLOR_RED);
}
void
gst_video_test_src_green (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
gst_video_test_src_unicolor (v, dest, w, h, vts_colors + COLOR_GREEN);
}
void
gst_video_test_src_blue (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
gst_video_test_src_unicolor (v, dest, w, h, vts_colors + COLOR_BLUE);
}
void
gst_video_test_src_checkers1 (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
for (y = 0; y < h; y++) {
p->color = vts_colors + COLOR_GREEN;
p->paint_hline (p, 0, y, w);
for (x = (y % 2); x < w; x += 2) {
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y, 1);
}
}
}
void
gst_video_test_src_checkers2 (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
p->color = vts_colors + COLOR_GREEN;
for (y = 0; y < h; y++) {
p->paint_hline (p, 0, y, w);
}
for (y = 0; y < h; y += 2) {
for (x = ((y % 4) == 0) ? 0 : 2; x < w; x += 4) {
guint len = (x < (w - 1)) ? 2 : (w - x);
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y + 0, len);
if (G_LIKELY ((y + 1) < h)) {
p->paint_hline (p, x, y + 1, len);
}
}
}
}
void
gst_video_test_src_checkers4 (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
p->color = vts_colors + COLOR_GREEN;
for (y = 0; y < h; y++) {
p->paint_hline (p, 0, y, w);
}
for (y = 0; y < h; y += 4) {
for (x = ((y % 8) == 0) ? 0 : 4; x < w; x += 8) {
guint len = (x < (w - 3)) ? 4 : (w - x);
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y + 0, len);
if (G_LIKELY ((y + 1) < h)) {
p->paint_hline (p, x, y + 1, len);
if (G_LIKELY ((y + 2) < h)) {
p->paint_hline (p, x, y + 2, len);
if (G_LIKELY ((y + 3) < h)) {
p->paint_hline (p, x, y + 3, len);
}
}
}
}
}
}
void
gst_video_test_src_checkers8 (GstVideoTestSrc * v, guchar * dest, int w, int h)
{
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
p->color = vts_colors + COLOR_GREEN;
for (y = 0; y < h; y++) {
p->paint_hline (p, 0, y, w);
}
for (y = 0; y < h; y += 8) {
for (x = ((GST_ROUND_UP_8 (y) % 16) == 0) ? 0 : 8; x < w; x += 16) {
guint len = (x < (w - 7)) ? 8 : (w - x);
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y + 0, len);
if (G_LIKELY ((y + 1) < h)) {
p->paint_hline (p, x, y + 1, len);
if (G_LIKELY ((y + 2) < h)) {
p->paint_hline (p, x, y + 2, len);
if (G_LIKELY ((y + 3) < h)) {
p->paint_hline (p, x, y + 3, len);
if (G_LIKELY ((y + 4) < h)) {
p->paint_hline (p, x, y + 4, len);
if (G_LIKELY ((y + 5) < h)) {
p->paint_hline (p, x, y + 5, len);
if (G_LIKELY ((y + 6) < h)) {
p->paint_hline (p, x, y + 6, len);
if (G_LIKELY ((y + 7) < h)) {
p->paint_hline (p, x, y + 7, len);
}
}
}
}
}
}
}
}
}
}
#undef SCALE_AMPLITUDE
void
gst_video_test_src_circular (GstVideoTestSrc * v, unsigned char *dest,
int w, int h)
{
int i;
int j;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
struct vts_color_struct color;
static uint8_t sine_array[256];
static int sine_array_inited = FALSE;
double freq[8];
#ifdef SCALE_AMPLITUDE
double ampl[8];
#endif
int d;
if (!sine_array_inited) {
for (i = 0; i < 256; i++) {
sine_array[i] =
floor (255 * (0.5 + 0.5 * sin (i * 2 * M_PI / 256)) + 0.5);
}
sine_array_inited = TRUE;
}
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
color = vts_colors[COLOR_BLACK];
p->color = &color;
for (i = 1; i < 8; i++) {
freq[i] = 200 * pow (2.0, -(i - 1) / 4.0);
#ifdef SCALE_AMPLITUDE
{
double x;
x = 2 * M_PI * freq[i] / w;
ampl[i] = sin (x) / x;
}
#endif
}
for (i = 0; i < w; i++) {
for (j = 0; j < h; j++) {
double dist;
int seg;
dist =
sqrt ((2 * i - w) * (2 * i - w) + (2 * j - h) * (2 * j -
h)) / (2 * w);
seg = floor (dist * 16);
if (seg == 0 || seg >= 8) {
color.Y = 255;
} else {
#ifdef SCALE_AMPLITUDE
double a;
#endif
d = floor (256 * dist * freq[seg] + 0.5);
#ifdef SCALE_AMPLITUDE
a = ampl[seg];
if (a < 0)
a = 0;
color.Y = 128 + a * (sine_array[d & 0xff] - 128);
#else
color.Y = sine_array[d & 0xff];
#endif
}
color.R = color.Y;
color.G = color.Y;
color.B = color.Y;
p->paint_hline (p, i, j, 1);
}
}
}
static void
paint_setup_I420 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->ustride = GST_ROUND_UP_8 (p->width) / 2;
p->vp = p->up + p->ustride * GST_ROUND_UP_2 (p->height) / 2;
p->vstride = GST_ROUND_UP_8 (p->ystride) / 2;
p->endptr = p->vp + p->vstride * GST_ROUND_UP_2 (p->height) / 2;
}
static void
paint_setup_NV12 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->vp = p->up + 1;
p->ustride = p->ystride;
p->vstride = p->ystride;
p->endptr = p->up + (p->ystride * p->height) / 2;
}
static void
paint_setup_NV21 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->up = p->vp + 1;
p->ustride = p->ystride;
p->vstride = p->ystride;
p->endptr = p->vp + (p->ustride * p->height) / 2;
}
static void
paint_hline_I420 (paintinfo * p, int x, int y, int w)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset = y * p->ystride;
int offset1 = (y / 2) * p->ustride;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
oil_splat_u8_ns (p->up + offset1 + x1, &p->color->U, x2 - x1);
oil_splat_u8_ns (p->vp + offset1 + x1, &p->color->V, x2 - x1);
}
static void
paint_hline_NV12_NV21 (paintinfo * p, int x, int y, int w)
{
int x1 = GST_ROUND_UP_2 (x) / 2;
int x2 = GST_ROUND_UP_2 (x + w) / 2;
int offset = y * p->ystride;
int offsetuv = GST_ROUND_UP_2 ((y / 2) * p->ustride + x);
int uvlength = x2 - x1;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
if (uvlength) {
oil_splat_u8 (p->up + offsetuv, 2, &p->color->U, uvlength);
oil_splat_u8 (p->vp + offsetuv, 2, &p->color->V, uvlength);
}
}
static void
paint_setup_YV12 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->vstride = GST_ROUND_UP_8 (p->ystride) / 2;
p->up = p->vp + p->vstride * GST_ROUND_UP_2 (p->height) / 2;
p->ustride = GST_ROUND_UP_8 (p->ystride) / 2;
p->endptr = p->up + p->ustride * GST_ROUND_UP_2 (p->height) / 2;
}
static void
paint_setup_AYUV (paintinfo * p, unsigned char *dest)
{
p->ap = dest;
p->yp = dest + 1;
p->up = dest + 2;
p->vp = dest + 3;
p->ystride = p->width * 4;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_YUY2 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + 1;
p->vp = dest + 3;
p->ystride = GST_ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_UYVY (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 1;
p->up = dest;
p->vp = dest + 2;
p->ystride = GST_ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_YVYU (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + 3;
p->vp = dest + 1;
p->ystride = GST_ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_hline_AYUV (paintinfo * p, int x, int y, int w)
{
int offset;
offset = (y * p->ystride) + (x * 4);
oil_splat_u8 (p->yp + offset, 4, &p->color->Y, w);
oil_splat_u8 (p->up + offset, 4, &p->color->U, w);
oil_splat_u8 (p->vp + offset, 4, &p->color->V, w);
oil_splat_u8 (p->ap + offset, 4, &p->color->A, w);
}
static void
paint_hline_YUY2 (paintinfo * p, int x, int y, int w)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset;
offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 2, 2, &p->color->Y, w);
oil_splat_u8 (p->up + offset + x1 * 4, 4, &p->color->U, x2 - x1);
oil_splat_u8 (p->vp + offset + x1 * 4, 4, &p->color->V, x2 - x1);
}
static void
paint_setup_IYU2 (paintinfo * p, unsigned char *dest)
{
/* untested */
p->yp = dest + 1;
p->up = dest + 0;
p->vp = dest + 2;
p->ystride = GST_ROUND_UP_4 (p->width * 3);
p->endptr = dest + p->ystride * p->height;
}
static void
paint_hline_IYU2 (paintinfo * p, int x, int y, int w)
{
int offset;
offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 3, 3, &p->color->Y, w);
oil_splat_u8 (p->up + offset + x * 3, 3, &p->color->U, w);
oil_splat_u8 (p->vp + offset + x * 3, 3, &p->color->V, w);
}
static void
paint_setup_Y41B (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * p->height;
p->ustride = GST_ROUND_UP_8 (p->width) / 4;
p->vp = p->up + p->ustride * p->height;
p->vstride = GST_ROUND_UP_8 (p->width) / 4;
p->endptr = p->vp + p->vstride * p->height;
}
static void
paint_hline_Y41B (paintinfo * p, int x, int y, int w)
{
int x1 = x / 4;
int x2 = (x + w) / 4;
int offset = y * p->ystride;
int offset1 = y * p->ustride;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
oil_splat_u8_ns (p->up + offset1 + x1, &p->color->U, x2 - x1);
oil_splat_u8_ns (p->vp + offset1 + x1, &p->color->V, x2 - x1);
}
static void
paint_setup_Y42B (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * p->height;
p->ustride = GST_ROUND_UP_8 (p->width) / 2;
p->vp = p->up + p->ustride * p->height;
p->vstride = GST_ROUND_UP_8 (p->width) / 2;
p->endptr = p->vp + p->vstride * p->height;
}
static void
paint_hline_Y42B (paintinfo * p, int x, int y, int w)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset = y * p->ystride;
int offset1 = y * p->ustride;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
oil_splat_u8_ns (p->up + offset1 + x1, &p->color->U, x2 - x1);
oil_splat_u8_ns (p->vp + offset1 + x1, &p->color->V, x2 - x1);
}
static void
paint_setup_Y800 (paintinfo * p, unsigned char *dest)
{
/* untested */
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->endptr = dest + p->ystride * p->height;
}
static void
paint_hline_Y800 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->ystride;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
}
#if 0
static void
paint_setup_IMC1 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + p->width * p->height;
p->vp = dest + p->width * p->height + p->width * p->height / 2;
}
static void
paint_setup_IMC2 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->vp = dest + p->width * p->height;
p->up = dest + p->width * p->height + p->width / 2;
}
static void
paint_setup_IMC3 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + p->width * p->height + p->width * p->height / 2;
p->vp = dest + p->width * p->height;
}
static void
paint_setup_IMC4 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->vp = dest + p->width * p->height + p->width / 2;
p->up = dest + p->width * p->height;
}
static void
paint_hline_IMC1 (paintinfo * p, int x, int y, int w)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset = y * p->width;
int offset1 = (y / 2) * p->width;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
oil_splat_u8_ns (p->up + offset1 + x1, &p->color->U, x2 - x1);
oil_splat_u8_ns (p->vp + offset1 + x1, &p->color->V, x2 - x1);
}
#endif
static void
paint_setup_YVU9 (paintinfo * p, unsigned char *dest)
{
int h = GST_ROUND_UP_4 (p->height);
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * GST_ROUND_UP_4 (p->height);
p->vstride = GST_ROUND_UP_4 (p->ystride / 4);
p->up = p->vp + p->vstride * GST_ROUND_UP_4 (h / 4);
p->ustride = GST_ROUND_UP_4 (p->ystride / 4);
p->endptr = p->up + p->ustride * GST_ROUND_UP_4 (h / 4);
}
static void
paint_setup_YUV9 (paintinfo * p, unsigned char *dest)
{
/* untested */
int h = GST_ROUND_UP_4 (p->height);
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * h;
p->ustride = GST_ROUND_UP_4 (p->ystride / 4);
p->vp = p->up + p->ustride * GST_ROUND_UP_4 (h / 4);
p->vstride = GST_ROUND_UP_4 (p->ystride / 4);
p->endptr = p->vp + p->vstride * GST_ROUND_UP_4 (h / 4);
}
static void
paint_hline_YUV9 (paintinfo * p, int x, int y, int w)
{
int x1 = x / 4;
int x2 = (x + w) / 4;
int offset = y * p->ystride;
int offset1 = (y / 4) * p->ustride;
oil_splat_u8_ns (p->yp + offset + x, &p->color->Y, w);
oil_splat_u8_ns (p->up + offset1 + x1, &p->color->U, x2 - x1);
oil_splat_u8_ns (p->vp + offset1 + x1, &p->color->V, x2 - x1);
}
static void
paint_setup_ARGB8888 (paintinfo * p, unsigned char *dest)
{
paint_setup_xRGB8888 (p, dest);
p->ap = dest;
}
static void
paint_setup_ABGR8888 (paintinfo * p, unsigned char *dest)
{
paint_setup_xBGR8888 (p, dest);
p->ap = dest;
}
static void
paint_setup_RGBA8888 (paintinfo * p, unsigned char *dest)
{
paint_setup_RGBx8888 (p, dest);
p->ap = dest + 3;
}
static void
paint_setup_BGRA8888 (paintinfo * p, unsigned char *dest)
{
paint_setup_BGRx8888 (p, dest);
p->ap = dest + 3;
}
static void
paint_setup_xRGB8888 (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 1;
p->up = dest + 2;
p->vp = dest + 3;
p->ystride = p->width * 4;
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_setup_xBGR8888 (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 3;
p->up = dest + 2;
p->vp = dest + 1;
p->ystride = p->width * 4;
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_setup_RGBx8888 (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 0;
p->up = dest + 1;
p->vp = dest + 2;
p->ystride = p->width * 4;
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_setup_BGRx8888 (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 2;
p->up = dest + 1;
p->vp = dest + 0;
p->ystride = p->width * 4;
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_setup_RGB888 (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 0;
p->up = dest + 1;
p->vp = dest + 2;
p->ystride = GST_ROUND_UP_4 (p->width * 3);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_setup_BGR888 (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 2;
p->up = dest + 1;
p->vp = dest + 0;
p->ystride = GST_ROUND_UP_4 (p->width * 3);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_hline_str4 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 4, 4, &p->color->R, w);
oil_splat_u8 (p->up + offset + x * 4, 4, &p->color->G, w);
oil_splat_u8 (p->vp + offset + x * 4, 4, &p->color->B, w);
if (p->ap != NULL) {
oil_splat_u8 (p->ap + offset + (x * 4), 4, &p->color->A, w);
}
}
static void
paint_hline_str3 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 3, 3, &p->color->R, w);
oil_splat_u8 (p->up + offset + x * 3, 3, &p->color->G, w);
oil_splat_u8 (p->vp + offset + x * 3, 3, &p->color->B, w);
}
static void
paint_setup_RGB565 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width * 2);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_hline_RGB565 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->ystride;
uint8_t a, b;
a = (p->color->R & 0xf8) | (p->color->G >> 5);
b = ((p->color->G << 3) & 0xe0) | (p->color->B >> 3);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, &b, w);
oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, &a, w);
#else
oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, &a, w);
oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, &b, w);
#endif
}
static void
paint_setup_xRGB1555 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width * 2);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_hline_xRGB1555 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->ystride;
uint8_t a, b;
a = ((p->color->R >> 1) & 0x7c) | (p->color->G >> 6);
b = ((p->color->G << 2) & 0xe0) | (p->color->B >> 3);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, &b, w);
oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, &a, w);
#else
oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, &a, w);
oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, &b, w);
#endif
}
static void
paint_setup_bayer (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_hline_bayer (paintinfo * p, int x, int y, int w)
{
int offset = y * p->ystride;
uint8_t *dest = p->yp + offset;
int i;
if (y & 1) {
for (i = x; i < x + w; i++) {
if (i & 1) {
dest[i] = p->color->G;
} else {
dest[i] = p->color->B;
}
}
} else {
for (i = x; i < x + w; i++) {
if (i & 1) {
dest[i] = p->color->R;
} else {
dest[i] = p->color->G;
}
}
}
}
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