mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-19 23:06:49 +00:00
Code Issues 1 Projects Releases Wiki Activity
gstreamer/gst/videotestsrc/videotestsrc.c
David Schleef 4a2b1b2947 Significant improvements to videotestsrc. More modular, handles RGB formats. 
Original commit message from CVS:
Significant improvements to videotestsrc.  More modular, handles RGB
formats.
2003-04-16 07:52:54 +00:00

963 lines
22 KiB
C
Raw Blame History

/* 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.
*/
/* non-GST-specific stuff */
/*#define DEBUG_ENABLED */
#include <gstvideotestsrc.h>
#include <videotestsrc.h>
#include <string.h>
#include <stdlib.h>
struct fourcc_list_struct * paintrect_find_fourcc (int find_fourcc);
struct fourcc_list_struct * paintrect_find_name (char *name);
struct fourcc_list_struct *paintinfo_find_by_caps(GstCaps *caps);
GstCaps *paint_get_caps(struct fourcc_list_struct *format);
static void
gst_videotestsrc_setup (GstVideotestsrc * v)
{
}
static unsigned char
random_char (void)
{
static unsigned int state;
state *= 1103515245;
state += 12345;
return (state >> 16);
}
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);
}
}
static void
memset_str2 (unsigned char *dest, unsigned char val, int n)
{
int i;
for (i = 0; i < n; i++) {
*dest = val;
dest += 2;
}
}
static void
memset_str3 (unsigned char *dest, unsigned char val, int n)
{
int i;
for (i = 0; i < n; i++) {
*dest = val;
dest += 3;
}
}
static void
memset_str4 (unsigned char *dest, unsigned char val, int n)
{
int i;
for (i = 0; i < n; i++) {
*dest = val;
dest += 4;
}
}
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;
}
}
#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++) {
memset (d, color, w);
d += stride;
}
}
#endif
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;
}
}
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;
}
}
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;
}
}
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;
}
}
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;
}
}
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 struct vts_color_struct vts_colors[] = {
/* 100% white */
{ 255, 128, 128, 255, 255, 255 },
/* yellow */
{ 226, 0, 155, 255, 255, 0 },
/* cyan */
{ 179, 170, 0, 0, 255, 255 },
/* green */
{ 150, 46, 21, 0, 255, 0 },
/* magenta */
{ 105, 212, 235, 255, 0, 255 },
/* red */
{ 76, 85, 255, 255, 0, 0 },
/* blue */
{ 29, 255, 107, 0, 0, 255 },
/* black */
{ 16, 128, 128, 0, 0, 0 },
/* -I */
{ 16, 198, 21, 0, 0, 128 },
/* +Q */
{ 16, 235, 198, 0, 128, 255 },
/* superblack */
{ 0, 128, 128, 0, 0, 0 },
/* 5% grey */
{ 32, 128, 128, 32, 32, 32 },
};
#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, char *dest);
static void paint_setup_YV12 (paintinfo * p, char *dest);
static void paint_setup_YUY2 (paintinfo * p, char *dest);
static void paint_setup_UYVY (paintinfo * p, char *dest);
static void paint_setup_YVYU (paintinfo * p, char *dest);
static void paint_setup_Y800 (paintinfo * p, char *dest);
static void paint_setup_IMC1 (paintinfo * p, char *dest);
static void paint_setup_IMC2 (paintinfo * p, char *dest);
static void paint_setup_IMC3 (paintinfo * p, char *dest);
static void paint_setup_IMC4 (paintinfo * p, char *dest);
static void paint_setup_xRGB8888 (paintinfo * p, char *dest);
static void paint_setup_xBGR8888 (paintinfo * p, char *dest);
static void paint_setup_RGBx8888 (paintinfo * p, char *dest);
static void paint_setup_BGRx8888 (paintinfo * p, char *dest);
static void paint_setup_RGB888 (paintinfo * p, char *dest);
static void paint_setup_BGR888 (paintinfo * p, char *dest);
static void paint_setup_RGB565 (paintinfo * p, char *dest);
static void paint_setup_xRGB1555 (paintinfo * p, char *dest);
static void paint_hline_I420 (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_Y800 (paintinfo * p, int x, int y, int w);
static void paint_hline_IMC1 (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);
struct fourcc_list_struct fourcc_list[] = {
/* packed */
{"YUY2", "YUY2", 16, paint_setup_YUY2, paint_hline_YUY2},
{"UYVY", "UYVY", 16, paint_setup_UYVY, paint_hline_YUY2},
{"Y422", "Y422", 16, paint_setup_UYVY, paint_hline_YUY2},
{"UYNV", "UYNV", 16, paint_setup_UYVY, paint_hline_YUY2}, /* FIXME: UYNV? */
{"YVYU", "YVYU", 16, paint_setup_YVYU, paint_hline_YUY2},
/* interlaced */
/*{ "IUYV", "IUY2", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
/* inverted */
/*{ "cyuv", "cyuv", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ "Y41P", "Y41P", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
/* interlaced */
/*{ "IY41", "IY41", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ "Y211", "Y211", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ "Y41T", "Y41T", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ "Y42P", "Y42P", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ "CLJR", "CLJR", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ "IYU1", "IYU1", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
/*{ "IYU2", "IYU2", 24, paint_setup_YVYU, paint_hline_YUY2 }, */
/* planar */
/* YVU9 */
/* YUV9 */
/* IF09 */
/* YV12 */
{"YV12", "YV12", 12, paint_setup_YV12, paint_hline_I420},
/* I420 */
{"I420", "I420", 12, paint_setup_I420, paint_hline_I420},
/* IYUV (same as I420) */
{"IYUV", "IYUV", 12, paint_setup_I420, paint_hline_I420},
/* NV12 */
/* NV21 */
/* IMC1 */
{"IMC1", "IMC1", 16, paint_setup_IMC1, paint_hline_IMC1},
/* IMC2 */
{"IMC2", "IMC2", 12, paint_setup_IMC2, paint_hline_IMC1},
/* IMC3 */
{"IMC3", "IMC3", 16, paint_setup_IMC3, paint_hline_IMC1},
/* IMC4 */
{"IMC4", "IMC4", 12, paint_setup_IMC4, paint_hline_IMC1},
/* CLPL */
/* Y41B */
/* Y42B */
/* Y800 grayscale */
{"Y800", "Y800", 8, paint_setup_Y800, paint_hline_Y800},
/* Y8 same as Y800 */
{"Y8 ", "Y8 ", 8, paint_setup_Y800, paint_hline_Y800},
/*{ "IYU2", 24, paint_setup_YVYU, paint_hline_YUY2 }, */
{"RGB ", "xRGB8888", 32, paint_setup_xRGB8888, paint_hline_str4, 1, 24,
0x00ff0000, 0x0000ff00, 0x000000ff },
{"RGB ", "xBGR8888", 32, paint_setup_xBGR8888, paint_hline_str4, 1, 24,
0x000000ff, 0x0000ff00, 0x00ff0000 },
{"RGB ", "RGBx8888", 32, paint_setup_RGBx8888, paint_hline_str4, 1, 24,
0xff000000, 0x00ff0000, 0x0000ff00 },
{"RGB ", "BGRx8888", 32, paint_setup_BGRx8888, paint_hline_str4, 1, 24,
0x0000ff00, 0x00ff0000, 0xff000000 },
{"RGB ", "RGB888", 24, paint_setup_RGB888, paint_hline_str3, 1, 24,
0x00ff0000, 0x0000ff00, 0x000000ff },
{"RGB ", "BGR888", 24, paint_setup_BGR888, paint_hline_str3, 1, 24,
0x000000ff, 0x0000ff00, 0x00ff0000 },
{"RGB ", "RGB565", 16, paint_setup_RGB565, paint_hline_RGB565, 1, 16,
0x0000f800, 0x000007e0, 0x0000001f },
{"RGB ", "xRGB1555", 16, paint_setup_xRGB1555, paint_hline_xRGB1555, 1, 15,
0x00007c00, 0x000003e0, 0x0000001f },
};
int n_fourccs = sizeof (fourcc_list) / sizeof (fourcc_list[0]);
struct fourcc_list_struct *paintinfo_find_by_caps(GstCaps *caps)
{
int i;
for (i = 0; i < n_fourccs; i++) {
GstCaps *c;
c = gst_caps_intersect(caps,paint_get_caps(fourcc_list + i));
if(c){
return fourcc_list + i;
}
}
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].ext_caps){
return fourcc_list + i;
}
return fourcc_list + i;
}
}
return NULL;
}
struct fourcc_list_struct * paintrect_find_name (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;
}
GstCaps *paint_get_caps(struct fourcc_list_struct *format)
{
unsigned int fourcc;
GstCaps *caps;
fourcc = GST_MAKE_FOURCC (format->fourcc[0], format->fourcc[1], format->fourcc[2], format->fourcc[3]);
if(format->ext_caps){
caps = GST_CAPS_NEW ("videotestsrc_filter",
"video/raw",
"format", GST_PROPS_FOURCC (fourcc),
"bpp", GST_PROPS_INT(format->bitspp),
"depth", GST_PROPS_INT(format->depth),
"red_mask", GST_PROPS_INT(format->red_mask),
"green_mask", GST_PROPS_INT(format->green_mask),
"blue_mask", GST_PROPS_INT(format->blue_mask));
}else{
caps = GST_CAPS_NEW ("videotestsrc_filter",
"video/raw",
"format", GST_PROPS_FOURCC (fourcc));
}
return caps;
}
void
gst_videotestsrc_smpte (GstVideotestsrc * v, unsigned char *dest, int w, int h)
{
int i;
int y1, y2;
int j;
paintinfo pi;
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_videotestsrc_snow (GstVideotestsrc * v, unsigned char *dest, int w, int h)
{
int i;
int j;
paintinfo pi;
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
paint_setup_I420 (paintinfo * p, char *dest)
{
p->yp = dest;
p->up = dest + p->width * p->height;
p->vp = dest + p->width * p->height + p->width * p->height / 4;
}
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->width;
int offset1 = (y / 2) * (p->width / 2);
memset (p->yp + offset + x, p->color->Y, w);
memset (p->up + offset1 + x1, p->color->U, x2 - x1);
memset (p->vp + offset1 + x1, p->color->V, x2 - x1);
}
static void
paint_setup_YV12 (paintinfo * p, char *dest)
{
p->yp = dest;
p->up = dest + p->width * p->height + p->width * p->height / 4;
p->vp = dest + p->width * p->height;
}
static void
paint_setup_YUY2 (paintinfo * p, char *dest)
{
p->yp = dest;
p->up = dest + 1;
p->vp = dest + 3;
}
static void
paint_setup_UYVY (paintinfo * p, char *dest)
{
p->yp = dest + 1;
p->up = dest;
p->vp = dest + 2;
}
static void
paint_setup_YVYU (paintinfo * p, char *dest)
{
p->yp = dest;
p->up = dest + 3;
p->vp = dest + 1;
}
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->width * 2;
memset_str2 (p->yp + offset + x * 2, p->color->Y, w);
memset_str4 (p->up + offset + x1 * 4, p->color->U, x2 - x1);
memset_str4 (p->vp + offset + x1 * 4, p->color->V, x2 - x1);
}
static void
paint_setup_Y800 (paintinfo * p, char *dest)
{
p->yp = dest;
}
static void
paint_hline_Y800 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->width;
memset (p->yp + offset + x, p->color->Y, w);
}
static void
paint_setup_IMC1 (paintinfo * p, 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, 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, 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, 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;
memset (p->yp + offset + x, p->color->Y, w);
memset (p->up + offset1 + x1, p->color->U, x2 - x1);
memset (p->vp + offset1 + x1, p->color->V, x2 - x1);
}
static void
paint_setup_xRGB8888 (paintinfo * p, char *dest)
{
p->yp = dest + 1;
p->up = dest + 2;
p->vp = dest + 3;
}
static void
paint_setup_xBGR8888 (paintinfo * p, char *dest)
{
p->yp = dest + 3;
p->up = dest + 2;
p->vp = dest + 1;
}
static void
paint_setup_RGBx8888 (paintinfo * p, char *dest)
{
p->yp = dest + 0;
p->up = dest + 1;
p->vp = dest + 2;
}
static void
paint_setup_BGRx8888 (paintinfo * p, char *dest)
{
p->yp = dest + 2;
p->up = dest + 1;
p->vp = dest + 0;
}
static void
paint_setup_RGB888 (paintinfo * p, char *dest)
{
p->yp = dest + 0;
p->up = dest + 1;
p->vp = dest + 2;
p->stride = (p->width*3 + 1)&(~0x3);
}
static void
paint_setup_BGR888 (paintinfo * p, char *dest)
{
p->yp = dest + 2;
p->up = dest + 1;
p->vp = dest + 0;
p->stride = (p->width*3 + 1)&(~0x3);
}
static void
paint_hline_str4 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->width * 4;
memset_str4 (p->yp + offset + x * 4, p->color->R, w);
memset_str4 (p->up + offset + x * 4, p->color->G, w);
memset_str4 (p->vp + offset + x * 4, p->color->B, w);
}
static void
paint_hline_str3 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->stride;
memset_str3 (p->yp + offset + x * 3, p->color->R, w);
memset_str3 (p->up + offset + x * 3, p->color->G, w);
memset_str3 (p->vp + offset + x * 3, p->color->B, w);
}
static void
paint_setup_RGB565 (paintinfo * p, char *dest)
{
p->yp = dest;
p->stride = (p->width*2 + 1)&(~0x3);
}
static void
paint_hline_RGB565 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->stride;
unsigned int a,b;
a = (p->color->R&0xf8) | (p->color->G>>5);
b = ((p->color->G<<3)&0xe0) | (p->color->B>>3);
memset_str2 (p->yp + offset + x * 2 + 0, a, w);
memset_str2 (p->yp + offset + x * 2 + 1, b, w);
}
static void
paint_setup_xRGB1555 (paintinfo * p, char *dest)
{
p->yp = dest;
p->stride = (p->width*2 + 1)&(~0x3);
}
static void
paint_hline_xRGB1555 (paintinfo * p, int x, int y, int w)
{
int offset = y * p->stride;
unsigned int a,b;
a = ((p->color->R>>1)&0x7c) | (p->color->G>>6);
b = ((p->color->G<<2)&0xe0) | (p->color->B>>3);
memset_str2 (p->yp + offset + x * 2 + 0, a, w);
memset_str2 (p->yp + offset + x * 2 + 1, b, w);
}
#if 0
#ifdef unused
static void
gst_videotestsrc_smpte_RGB (GstVideotestsrc * v, unsigned char *dest, int w, int h)
{
int i;
int y1, y2;
y1 = h * 2 / 3;
y2 = h * 0.75;
/* color bars */
for (i = 0; i < 7; i++) {
int x1 = i * w / 7;
int x2 = (i + 1) * w / 7;
unsigned char col[2];
col[0] = (g_colors[i] & 0xe0) | (b_colors[i] >> 3);
col[1] = (r_colors[i] & 0xf8) | (g_colors[i] >> 5);
paint_rect2 (dest, w * 2, x1, 0, x2 - x1, y1, col);
}
/* inverse blue bars */
for (i = 0; i < 7; i++) {
int x1 = i * w / 7;
int x2 = (i + 1) * w / 7;
unsigned char col[2];
int k;
if (i & 1) {
k = 7;
} else {
k = 6 - i;
}
col[0] = (g_colors[k] & 0xe0) | (b_colors[k] >> 3);
col[1] = (r_colors[k] & 0xf8) | (g_colors[k] >> 5);
paint_rect2 (dest, w * 2, x1, y1, x2 - x1, y2 - y1, col);
}
/* -I, white, Q regions */
for (i = 0; i < 3; i++) {
int x1 = i * w / 6;
int x2 = (i + 1) * w / 6;
unsigned char col[2];
int k;
if (i == 0) {
k = 8;
} else if (i == 1) {
k = 0;
} else {
k = 9;
}
col[0] = (g_colors[k] & 0xe0) | (b_colors[k] >> 3);
col[1] = (r_colors[k] & 0xf8) | (g_colors[k] >> 5);
paint_rect2 (dest, w * 2, x1, y2, x2 - x1, h - y2, col);
}
{
int x1 = w / 2;
int x2 = w - 1;
paint_rect_random (dest, w * 2, x1 * 2, y2, (x2 - x1) * 2, h - y2);
}
}
#endif
static void
gst_videotestsrc_smpte_RGB (GstVideotestsrc * v, unsigned char *dest, int w, int h)
{
int i;
int y1, y2;
y1 = h * 2 / 3;
y2 = h * 0.75;
/* color bars */
for (i = 0; i < 7; i++) {
int x1 = i * w / 7;
int x2 = (i + 1) * w / 7;
unsigned char col[2];
col[0] = 0;
col[1] = r_colors[i];
col[2] = g_colors[i];
col[3] = b_colors[i];
paint_rect4 (dest, w * 4, x1, 0, x2 - x1, y1, col);
}
/* inverse blue bars */
for (i = 0; i < 7; i++) {
int x1 = i * w / 7;
int x2 = (i + 1) * w / 7;
unsigned char col[2];
int k;
if (i & 1) {
k = 7;
} else {
k = 6 - i;
}
col[0] = 0;
col[1] = r_colors[k];
col[2] = g_colors[k];
col[3] = b_colors[k];
paint_rect4 (dest, w * 4, x1, y1, x2 - x1, y2 - y1, col);
}
/* -I, white, Q regions */
for (i = 0; i < 3; i++) {
int x1 = i * w / 6;
int x2 = (i + 1) * w / 6;
unsigned char col[2];
int k;
if (i == 0) {
k = 8;
} else if (i == 1) {
k = 0;
} else {
k = 9;
}
col[0] = 0;
col[1] = r_colors[k];
col[2] = g_colors[k];
col[3] = b_colors[k];
paint_rect4 (dest, w * 4, x1, y2, x2 - x1, h - y2, col);
}
{
int x1 = w / 2;
int x2 = w - 1;
paint_rect_random (dest, w * 4, x1 * 4, y2, (x2 - x1) * 4, h - y2);
}
}
#endif
Reference in a new issue View git blame Copy permalink