gstreamer/gst/games/gstvideoimage.c

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* <2004> Benjamin Otte <otte@gnome.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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvideoimage.h"
#ifdef HAVE_LIBOIL
#include <liboil/liboil.h>
#endif
#include <string.h>
const GstVideoColor GST_VIDEO_COLOR_WHITE = { 255, 128, 128, 255, 255, 255 };
const GstVideoColor GST_VIDEO_COLOR_YELLOW = { 226, 0, 155, 255, 255, 0 };
const GstVideoColor GST_VIDEO_COLOR_CYAN = { 179, 170, 0, 0, 255, 255 };
const GstVideoColor GST_VIDEO_COLOR_GREEN = { 150, 46, 21, 0, 255, 0 };
const GstVideoColor GST_VIDEO_COLOR_MAGENTA = { 105, 212, 235, 255, 0, 255 };
const GstVideoColor GST_VIDEO_COLOR_RED = { 76, 85, 255, 255, 0, 0 };
const GstVideoColor GST_VIDEO_COLOR_BLUE = { 29, 255, 107, 0, 0, 255 };
const GstVideoColor GST_VIDEO_COLOR_BLACK = { 16, 128, 128, 0, 0, 0 };
const GstVideoColor GST_VIDEO_COLOR_NEG_I = { 16, 198, 21, 0, 0, 128 };
const GstVideoColor GST_VIDEO_COLOR_POS_Q = { 16, 235, 198, 0, 128, 255 };
const GstVideoColor GST_VIDEO_COLOR_SUPER_BLACK = { 0, 128, 128, 0, 0, 0 };
const GstVideoColor GST_VIDEO_COLOR_DARK_GREY = { 32, 128, 128, 32, 32, 32 };
const GstVideoFormat *
gst_video_format_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 < gst_video_format_count; i++) {
s = gst_video_format_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 == format) {
return gst_video_format_list + i;
}
}
} else if (strcmp (media_type, "video/x-raw-rgb") == 0) {
int red_mask;
int green_mask;
int blue_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);
for (i = 0; i < gst_video_format_count; i++) {
if (strcmp (gst_video_format_list[i].fourcc, "RGB ") == 0 &&
gst_video_format_list[i].red_mask == red_mask &&
gst_video_format_list[i].green_mask == green_mask &&
gst_video_format_list[i].blue_mask == blue_mask &&
gst_video_format_list[i].depth == depth &&
gst_video_format_list[i].bitspp == bpp) {
return gst_video_format_list + i;
}
}
return NULL;
}
g_critical ("format not found for media type %s", media_type);
return NULL;
}
const GstVideoFormat *
gst_video_format_find_by_fourcc (int find_fourcc)
{
int i;
for (i = 0; i < gst_video_format_count; i++) {
char *s;
int fourcc;
s = gst_video_format_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 (!gst_video_format_list[i].ext_caps) {
return gst_video_format_list + i;
}
return gst_video_format_list + i;
}
}
return NULL;
}
const GstVideoFormat *
gst_video_format_find_by_name (const char *name)
{
int i;
for (i = 0; i < gst_video_format_count; i++) {
if (strcmp (name, gst_video_format_list[i].name) == 0) {
return gst_video_format_list + i;
}
}
return NULL;
}
GstStructure *
gst_video_format_get_structure (const GstVideoFormat * format)
{
unsigned int fourcc;
g_return_val_if_fail (format, NULL);
fourcc =
GST_MAKE_FOURCC (format->fourcc[0], format->fourcc[1], format->fourcc[2],
format->fourcc[3]);
if (format->ext_caps) {
int endianness;
if (format->bitspp == 16) {
endianness = G_BYTE_ORDER;
} else {
endianness = G_BIG_ENDIAN;
}
return 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);
} else {
return gst_structure_new ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, fourcc, NULL);
}
}
/* returns the size in bytes for one video frame of the given dimensions
* given the fourcc in GstVideotestsrc */
guint
gst_video_format_get_size (const GstVideoFormat * format, guint w, guint h)
{
GstVideoImage p = { 0 };
g_return_val_if_fail (format != NULL, 0);
g_return_val_if_fail (w > 0, 0);
g_return_val_if_fail (h > 0, 0);
gst_video_image_setup (&p, format, NULL, w, h);
return (unsigned long) p.endptr;
}
void
gst_video_image_setup (GstVideoImage * image, const GstVideoFormat * format,
guint8 * data, guint w, guint h)
{
g_return_if_fail (image != NULL);
g_return_if_fail (format != NULL);
g_return_if_fail (w > 0);
g_return_if_fail (h > 0);
image->width = w;
image->height = h;
image->format = format;
format->paint_setup (image, data);
}
void
gst_video_image_paint_hline (GstVideoImage * image, gint x, gint y, gint w,
const GstVideoColor * c)
{
g_return_if_fail (image != NULL);
g_return_if_fail (c != NULL);
g_return_if_fail (w > 0);
/* check coords */
if (y < 0 || y >= image->height)
return;
if (x < 0) {
if (x + w < 0)
return;
w += x;
x = 0;
}
if (x >= image->width)
return;
if (x + w > image->width) {
w = image->width - x;
}
image->format->paint_hline (image, x, y, w, c);
}
void
gst_video_image_draw_rectangle (GstVideoImage * image, gint x, gint y,
gint w, gint h, const GstVideoColor * c, gboolean filled)
{
gint i;
g_return_if_fail (image != NULL);
g_return_if_fail (c != NULL);
g_return_if_fail (w > 0);
g_return_if_fail (h > 0);
/* check coords */
if (x < 0) {
if (x + w < 0)
return;
w += x;
x = 0;
}
if (x >= image->width)
return;
if (x + w > image->width) {
w = image->width - x;
}
if (y < 0) {
if (y + h < 0)
return;
h += y;
y = 0;
}
if (y >= image->height)
return;
if (y + h > image->height) {
y = image->height - y;
}
if (filled) {
for (i = 0; i < h; i++) {
image->format->paint_hline (image, x, y + i, w, c);
}
} else {
h--;
image->format->paint_hline (image, x, y, w, c);
for (i = 1; i < h; i++) {
image->format->paint_hline (image, x, y + i, 1, c);
image->format->paint_hline (image, x + w - 1, y + i, 1, c);
}
image->format->paint_hline (image, x, y + h, w, c);
}
}
void
gst_video_image_copy_hline (GstVideoImage * dest, gint xdest, gint ydest,
GstVideoImage * src, gint xsrc, gint ysrc, gint w)
{
g_return_if_fail (dest != NULL);
g_return_if_fail (src != NULL);
g_return_if_fail (dest->format == src->format);
g_return_if_fail (w > 0);
/* check width coords */
if (xdest >= dest->width)
return;
if (xsrc >= src->width)
return;
if (xdest < 0) {
xsrc -= xdest;
w += xdest;
xdest = 0;
}
if (xsrc < 0) {
xdest -= xsrc;
w += xsrc;
xsrc = 0;
}
if (w <= 0)
return;
if (xdest + w > dest->width)
w = dest->width - xdest;
if (xsrc + w > src->width)
w = src->width - xsrc;
/* check height coords */
if (ysrc >= src->height || ysrc < 0)
return;
if (ydest >= dest->height || ydest < 0)
return;
dest->format->copy_hline (dest, xdest, ydest, src, xsrc, ysrc, w);
}
void
gst_video_image_copy_area (GstVideoImage * dest, gint xdest, gint ydest,
GstVideoImage * src, gint xsrc, gint ysrc, gint w, gint h)
{
gint i;
g_return_if_fail (dest != NULL);
g_return_if_fail (src != NULL);
g_return_if_fail (dest->format == src->format);
g_return_if_fail (w > 0);
g_return_if_fail (h > 0);
/* check width coords */
if (xdest >= dest->width)
return;
if (xsrc >= src->width)
return;
if (xdest < 0) {
xsrc -= xdest;
w += xdest;
xdest = 0;
}
if (xsrc < 0) {
xdest -= xsrc;
w += xsrc;
xsrc = 0;
}
if (w <= 0)
return;
if (xdest + w > dest->width)
w = dest->width - xdest;
if (xsrc + w > src->width)
w = src->width - xsrc;
/* check height coords */
if (ydest >= dest->height)
return;
if (ysrc >= src->height)
return;
if (ydest < 0) {
ysrc -= ydest;
h += ydest;
ydest = 0;
}
if (ysrc < 0) {
ydest -= ysrc;
h += ysrc;
ysrc = 0;
}
if (h <= 0)
return;
if (ydest + h > dest->height)
h = dest->height - ydest;
if (ysrc + h > src->height)
h = src->height - ysrc;
for (i = 0; i < h; i++) {
dest->format->copy_hline (dest, xdest, ydest + i, src, xsrc, ysrc + i, w);
}
}
#define ROUND_UP_2(x) (((x)+1)&~1)
#define ROUND_UP_4(x) (((x)+3)&~3)
#define ROUND_UP_8(x) (((x)+7)&~7)
static void
paint_setup_I420 (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * ROUND_UP_2 (p->height);
p->ustride = ROUND_UP_8 (p->width) / 2;
p->vp = p->up + p->ustride * ROUND_UP_2 (p->height) / 2;
p->vstride = ROUND_UP_8 (p->ystride) / 2;
p->endptr = p->vp + p->vstride * ROUND_UP_2 (p->height) / 2;
}
static void
paint_hline_I420 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset = y * p->ystride;
int offset1 = (y / 2) * p->ustride;
memset (p->yp + offset + x, c->Y, w);
memset (p->up + offset1 + x1, c->U, x2 - x1);
memset (p->vp + offset1 + x1, c->V, x2 - x1);
}
static void
copy_hline_I420 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int destoffset1 = (ydest / 2) * dest->ustride;
int srcoffset = ysrc * src->ystride;
int srcoffset1 = (ysrc / 2) * src->ustride;
memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
memcpy (dest->up + destoffset1 + xdest / 2, src->up + srcoffset1 + xsrc / 2,
w / 2);
memcpy (dest->vp + destoffset1 + xdest / 2, src->vp + srcoffset1 + xsrc / 2,
w / 2);
}
static void
paint_setup_YV12 (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * ROUND_UP_2 (p->height);
p->vstride = ROUND_UP_8 (p->ystride) / 2;
p->up = p->vp + p->vstride * ROUND_UP_2 (p->height) / 2;
p->ustride = ROUND_UP_8 (p->ystride) / 2;
p->endptr = p->up + p->ustride * ROUND_UP_2 (p->height) / 2;
}
static void
paint_setup_YUY2 (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->up = dest + 1;
p->vp = dest + 3;
p->ystride = ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_UYVY (GstVideoImage * p, char *dest)
{
p->yp = dest + 1;
p->up = dest;
p->vp = dest + 2;
p->ystride = ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_YVYU (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->up = dest + 3;
p->vp = dest + 1;
p->ystride = ROUND_UP_2 (p->width * 2);
p->endptr = dest + p->ystride * p->height;
}
#ifndef HAVE_LIBOIL
void
oil_splat_u8 (guint8 * dest, int dstr, guint8 val, int n)
{
int i;
for (i = 0; i < n; i++) {
*dest = val;
dest += dstr;
}
}
#endif
static void
paint_hline_YUY2 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 2, 2, c->Y, w);
oil_splat_u8 (p->up + offset + x1 * 4, 4, c->U, x2 - x1);
oil_splat_u8 (p->vp + offset + x1 * 4, 4, c->V, x2 - x1);
}
static void
copy_hline_YUY2 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int srcoffset = ysrc * src->ystride;
memcpy (dest->yp + destoffset + xdest * 2, src->yp + srcoffset + xsrc * 2,
w * 2);
}
static void
paint_setup_IYU2 (GstVideoImage * p, char *dest)
{
/* untested */
p->yp = dest + 1;
p->up = dest + 0;
p->vp = dest + 2;
p->ystride = ROUND_UP_4 (p->width * 3);
p->endptr = dest + p->ystride * p->height;
}
static void
paint_hline_IYU2 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int offset;
offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 3, 3, c->Y, w);
oil_splat_u8 (p->up + offset + x * 3, 3, c->U, w);
oil_splat_u8 (p->vp + offset + x * 3, 3, c->V, w);
}
static void
copy_hline_IYU2 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int srcoffset = ydest * src->ystride;
memcpy (dest->yp + destoffset + xdest * 3, src->yp + srcoffset + xsrc * 3,
w * 3);
}
static void
paint_setup_Y41B (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * p->height;
p->ustride = ROUND_UP_8 (p->width) / 4;
p->vp = p->up + p->ustride * p->height;
p->vstride = ROUND_UP_8 (p->width) / 4;
p->endptr = p->vp + p->vstride * p->height;
}
static void
paint_hline_Y41B (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int x1 = x / 4;
int x2 = (x + w) / 4;
int offset = y * p->ystride;
int offset1 = y * p->ustride;
memset (p->yp + offset + x, c->Y, w);
memset (p->up + offset1 + x1, c->U, x2 - x1);
memset (p->vp + offset1 + x1, c->V, x2 - x1);
}
static void
copy_hline_Y41B (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int destoffset1 = ydest * dest->ustride;
int srcoffset = ysrc * src->ystride;
int srcoffset1 = ysrc * src->ustride;
memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
memcpy (dest->up + destoffset1 + xdest / 4, src->up + srcoffset1 + xsrc / 4,
w / 4);
memcpy (dest->vp + destoffset1 + xdest / 4, src->vp + srcoffset1 + xsrc / 4,
w / 4);
}
static void
paint_setup_Y42B (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * p->height;
p->ustride = ROUND_UP_8 (p->width) / 2;
p->vp = p->up + p->ustride * p->height;
p->vstride = ROUND_UP_8 (p->width) / 2;
p->endptr = p->vp + p->vstride * p->height;
}
static void
paint_hline_Y42B (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int x1 = x / 2;
int x2 = (x + w) / 2;
int offset = y * p->ystride;
int offset1 = y * p->ustride;
memset (p->yp + offset + x, c->Y, w);
memset (p->up + offset1 + x1, c->U, x2 - x1);
memset (p->vp + offset1 + x1, c->V, x2 - x1);
}
static void
copy_hline_Y42B (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int destoffset1 = ydest * dest->ustride;
int srcoffset = ysrc * src->ystride;
int srcoffset1 = ysrc * src->ustride;
memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
memcpy (dest->up + destoffset1 + xdest / 2, src->up + srcoffset1 + xsrc / 2,
w / 2);
memcpy (dest->vp + destoffset1 + xdest / 2, src->vp + srcoffset1 + xsrc / 2,
w / 2);
}
static void
paint_setup_Y800 (GstVideoImage * p, char *dest)
{
/* untested */
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width);
p->endptr = dest + p->ystride * p->height;
}
static void
paint_hline_Y800 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int offset = y * p->ystride;
memset (p->yp + offset + x, c->Y, w);
}
static void
copy_hline_Y800 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int srcoffset = ysrc * src->ystride;
memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
}
static void
paint_setup_YVU9 (GstVideoImage * p, char *dest)
{
int h = ROUND_UP_4 (p->height);
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * ROUND_UP_4 (p->height);
p->vstride = ROUND_UP_4 (p->ystride / 4);
p->up = p->vp + p->vstride * ROUND_UP_4 (h / 4);
p->ustride = ROUND_UP_4 (p->ystride / 4);
p->endptr = p->up + p->ustride * ROUND_UP_4 (h / 4);
}
static void
paint_setup_YUV9 (GstVideoImage * p, char *dest)
{
/* untested */
int h = ROUND_UP_4 (p->height);
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * h;
p->ustride = ROUND_UP_4 (p->ystride / 4);
p->vp = p->up + p->ustride * ROUND_UP_4 (h / 4);
p->vstride = ROUND_UP_4 (p->ystride / 4);
p->endptr = p->vp + p->vstride * ROUND_UP_4 (h / 4);
}
static void
paint_hline_YUV9 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int x1 = x / 4;
int x2 = (x + w) / 4;
int offset = y * p->ystride;
int offset1 = (y / 4) * p->ustride;
memset (p->yp + offset + x, c->Y, w);
memset (p->up + offset1 + x1, c->U, x2 - x1);
memset (p->vp + offset1 + x1, c->V, x2 - x1);
}
static void
copy_hline_YUV9 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int destoffset1 = ydest * dest->ustride;
int srcoffset = ysrc * src->ystride;
int srcoffset1 = ysrc * src->ustride;
memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
memcpy (dest->up + destoffset1 + xdest / 4, src->up + srcoffset1 + xsrc / 4,
w / 4);
memcpy (dest->vp + destoffset1 + xdest / 4, src->vp + srcoffset1 + xsrc / 4,
w / 4);
}
static void
paint_setup_xRGB8888 (GstVideoImage * p, 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 (GstVideoImage * p, 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 (GstVideoImage * p, 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 (GstVideoImage * p, 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 (GstVideoImage * p, char *dest)
{
p->yp = dest + 0;
p->up = dest + 1;
p->vp = dest + 2;
p->ystride = ROUND_UP_4 (p->width * 3);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_setup_BGR888 (GstVideoImage * p, char *dest)
{
p->yp = dest + 2;
p->up = dest + 1;
p->vp = dest + 0;
p->ystride = ROUND_UP_4 (p->width * 3);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_hline_str4 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 4, 4, c->R, w);
oil_splat_u8 (p->up + offset + x * 4, 4, c->G, w);
oil_splat_u8 (p->vp + offset + x * 4, 4, c->B, w);
}
static void
copy_hline_str4 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int srcoffset = ysrc * src->ystride;
memcpy (dest->yp + destoffset + xdest * 4, src->yp + srcoffset + xsrc * 4,
w * 4);
}
static void
paint_hline_str3 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int offset = y * p->ystride;
oil_splat_u8 (p->yp + offset + x * 3, 3, c->R, w);
oil_splat_u8 (p->up + offset + x * 3, 3, c->G, w);
oil_splat_u8 (p->vp + offset + x * 3, 3, c->B, w);
}
static void
copy_hline_str3 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int srcoffset = ysrc * src->ystride;
memcpy (dest->yp + destoffset + xdest * 3, src->yp + srcoffset + xsrc * 3,
w * 3);
}
static void
paint_setup_RGB565 (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width * 2);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_hline_RGB565 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int offset = y * p->ystride;
unsigned int a, b;
a = (c->R & 0xf8) | (c->G >> 5);
b = ((c->G << 3) & 0xe0) | (c->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
copy_hline_str2 (GstVideoImage * dest, int xdest, int ydest,
GstVideoImage * src, int xsrc, int ysrc, int w)
{
int destoffset = ydest * dest->ystride;
int srcoffset = ysrc * src->ystride;
memcpy (dest->yp + destoffset + xdest * 2, src->yp + srcoffset + xsrc * 2,
w * 2);
}
static void
paint_setup_xRGB1555 (GstVideoImage * p, char *dest)
{
p->yp = dest;
p->ystride = ROUND_UP_4 (p->width * 2);
p->endptr = p->dest + p->ystride * p->height;
}
static void
paint_hline_xRGB1555 (GstVideoImage * p, int x, int y, int w,
const GstVideoColor * c)
{
int offset = y * p->ystride;
unsigned int a, b;
a = ((c->R >> 1) & 0x7c) | (c->G >> 6);
b = ((c->G << 2) & 0xe0) | (c->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
}
const GstVideoFormat gst_video_format_list[] = {
/* packed */
{"YUY2", "YUY2", 16, paint_setup_YUY2, paint_hline_YUY2, copy_hline_YUY2},
{"UYVY", "UYVY", 16, paint_setup_UYVY, paint_hline_YUY2, copy_hline_YUY2},
{"Y422", "Y422", 16, paint_setup_UYVY, paint_hline_YUY2, copy_hline_YUY2},
{"UYNV", "UYNV", 16, paint_setup_UYVY, paint_hline_YUY2, copy_hline_YUY2}, /* FIXME: UYNV? */
{"YVYU", "YVYU", 16, paint_setup_YVYU, paint_hline_YUY2, copy_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_IYU2, paint_hline_IYU2, copy_hline_IYU2},
/* planar */
/* YVU9 */
{"YVU9", "YVU9", 9, paint_setup_YVU9, paint_hline_YUV9, copy_hline_YUV9},
/* YUV9 */
{"YUV9", "YUV9", 9, paint_setup_YUV9, paint_hline_YUV9, copy_hline_YUV9},
/* IF09 */
/* YV12 */
{"YV12", "YV12", 12, paint_setup_YV12, paint_hline_I420, copy_hline_I420},
/* I420 */
{"I420", "I420", 12, paint_setup_I420, paint_hline_I420, copy_hline_I420},
/* NV12 */
/* NV21 */
/* CLPL */
/* Y41B */
{"Y41B", "Y41B", 12, paint_setup_Y41B, paint_hline_Y41B, copy_hline_Y41B},
/* Y42B */
{"Y42B", "Y42B", 16, paint_setup_Y42B, paint_hline_Y42B, copy_hline_Y42B},
/* Y800 grayscale */
{"Y800", "Y800", 8, paint_setup_Y800, paint_hline_Y800, copy_hline_Y800},
{"RGB ", "xRGB8888", 32, paint_setup_xRGB8888, paint_hline_str4,
copy_hline_str4,
1, 24, 0x00ff0000, 0x0000ff00, 0x000000ff},
{"RGB ", "xBGR8888", 32, paint_setup_xBGR8888, paint_hline_str4,
copy_hline_str4,
1, 24, 0x000000ff, 0x0000ff00, 0x00ff0000},
{"RGB ", "RGBx8888", 32, paint_setup_RGBx8888, paint_hline_str4,
copy_hline_str4,
1, 24, 0xff000000, 0x00ff0000, 0x0000ff00},
{"RGB ", "BGRx8888", 32, paint_setup_BGRx8888, paint_hline_str4,
copy_hline_str4,
1, 24, 0x0000ff00, 0x00ff0000, 0xff000000},
{"RGB ", "RGB888", 24, paint_setup_RGB888, paint_hline_str3, copy_hline_str3,
1, 24, 0x00ff0000, 0x0000ff00, 0x000000ff},
{"RGB ", "BGR888", 24, paint_setup_BGR888, paint_hline_str3, copy_hline_str3,
1, 24, 0x000000ff, 0x0000ff00, 0x00ff0000},
{"RGB ", "RGB565", 16, paint_setup_RGB565, paint_hline_RGB565,
copy_hline_str2,
1, 16, 0x0000f800, 0x000007e0, 0x0000001f},
{"RGB ", "xRGB1555", 16, paint_setup_xRGB1555, paint_hline_xRGB1555,
copy_hline_str2,
1, 15, 0x00007c00, 0x000003e0, 0x0000001f},
};
const guint gst_video_format_count = G_N_ELEMENTS (gst_video_format_list);