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Diffstat (limited to 'src/video_out/yuv2rgb.c')
-rw-r--r--src/video_out/yuv2rgb.c77
1 files changed, 52 insertions, 25 deletions
diff --git a/src/video_out/yuv2rgb.c b/src/video_out/yuv2rgb.c
index 9e4cfc47e..f6bb6be18 100644
--- a/src/video_out/yuv2rgb.c
+++ b/src/video_out/yuv2rgb.c
@@ -22,7 +22,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * $Id: yuv2rgb.c,v 1.34 2002/10/10 14:05:19 jkeil Exp $
+ * $Id: yuv2rgb.c,v 1.35 2003/01/24 17:04:39 esnel Exp $
*/
#include "config.h"
@@ -69,6 +69,31 @@ static void *my_malloc_aligned (size_t alignment, size_t size, void **chunk) {
}
+static int yuv2rgb_next_slice (yuv2rgb_t *this, uint8_t **dest) {
+ int y0, y1;
+
+ if (dest == NULL) {
+ this->slice_offset = 0;
+ this->slice_height = 16;
+ return 0;
+ }
+ if (this->slice_height == this->source_height) {
+ return this->dest_height;
+ }
+
+ y0 = (this->slice_offset * this->dest_height) / this->source_height;
+ y1 = ((this->slice_offset + this->slice_height) * this->dest_height) / this->source_height;
+ *dest += (this->rgb_stride * y0);
+
+ if ((this->slice_offset + this->slice_height) >= this->source_height) {
+ this->slice_offset = 0;
+ return (this->dest_height - y0);
+ } else {
+ this->slice_offset += this->slice_height;
+ return (y1 - y0);
+ }
+}
+
static int yuv2rgb_configure (yuv2rgb_t *this,
int source_width, int source_height,
int y_stride, int uv_stride,
@@ -88,7 +113,9 @@ static int yuv2rgb_configure (yuv2rgb_t *this,
this->dest_width = dest_width;
this->dest_height = dest_height;
this->rgb_stride = rgb_stride;
-
+ this->slice_height = source_height;
+ this->slice_offset = 0;
+
if (this->y_chunk) {
free (this->y_chunk);
this->y_buffer = this->y_chunk = NULL;
@@ -1367,7 +1394,7 @@ static void yuv2rgb_c_32 (yuv2rgb_t *this, uint8_t * _dst,
this->dest_width, this->step_dx);
dy = 0;
- dst_height = this->dest_height;
+ dst_height = this->next_slice (this, &_dst);
for (height = 0;; ) {
dst_1 = (uint32_t*)_dst;
@@ -1431,7 +1458,7 @@ static void yuv2rgb_c_32 (yuv2rgb_t *this, uint8_t * _dst,
} while( dy>=32768);
}
} else {
- height = this->source_height >> 1;
+ height = this->next_slice (this, &_dst) >> 1;
do {
dst_1 = (uint32_t*)_dst;
dst_2 = (void*)( (uint8_t *)_dst + this->rgb_stride );
@@ -1498,7 +1525,7 @@ static void yuv2rgb_c_24_rgb (yuv2rgb_t *this, uint8_t * _dst,
this->dest_width, this->step_dx);
dy = 0;
- dst_height = this->dest_height;
+ dst_height = this->next_slice (this, &_dst);
for (height = 0;; ) {
dst_1 = _dst;
@@ -1562,7 +1589,7 @@ static void yuv2rgb_c_24_rgb (yuv2rgb_t *this, uint8_t * _dst,
} while (dy>=32768);
}
} else {
- height = this->source_height >> 1;
+ height = this->next_slice (this, &_dst) >> 1;
do {
dst_1 = _dst;
dst_2 = (void*)( (uint8_t *)_dst + this->rgb_stride );
@@ -1629,7 +1656,7 @@ static void yuv2rgb_c_24_bgr (yuv2rgb_t *this, uint8_t * _dst,
this->dest_width, this->step_dx);
dy = 0;
- dst_height = this->dest_height;
+ dst_height = this->next_slice (this, &_dst);
for (height = 0;; ) {
dst_1 = _dst;
@@ -1694,7 +1721,7 @@ static void yuv2rgb_c_24_bgr (yuv2rgb_t *this, uint8_t * _dst,
}
} else {
- height = this->source_height >> 1;
+ height = this->next_slice (this, &_dst) >> 1;
do {
dst_1 = _dst;
dst_2 = (void*)( (uint8_t *)_dst + this->rgb_stride );
@@ -1760,7 +1787,7 @@ static void yuv2rgb_c_16 (yuv2rgb_t *this, uint8_t * _dst,
this->dest_width, this->step_dx);
dy = 0;
- dst_height = this->dest_height;
+ dst_height = this->next_slice (this, &_dst);
for (height = 0;; ) {
dst_1 = (uint16_t*)_dst;
@@ -1824,7 +1851,7 @@ static void yuv2rgb_c_16 (yuv2rgb_t *this, uint8_t * _dst,
} while( dy>=32768);
}
} else {
- height = this->source_height >> 1;
+ height = this->next_slice (this, &_dst) >> 1;
do {
dst_1 = (uint16_t*)_dst;
dst_2 = (void*)( (uint8_t *)_dst + this->rgb_stride );
@@ -1890,7 +1917,7 @@ static void yuv2rgb_c_8 (yuv2rgb_t *this, uint8_t * _dst,
this->dest_width, this->step_dx);
dy = 0;
- dst_height = this->dest_height;
+ dst_height = this->next_slice (this, &_dst);
for (height = 0;; ) {
dst_1 = (uint8_t*)_dst;
@@ -1954,7 +1981,7 @@ static void yuv2rgb_c_8 (yuv2rgb_t *this, uint8_t * _dst,
} while( dy>=32768 );
}
} else {
- height = this->source_height >> 1;
+ height = this->next_slice (this, &_dst) >> 1;
do {
dst_1 = (uint8_t*)_dst;
dst_2 = (void*)( (uint8_t *)_dst + this->rgb_stride );
@@ -2009,7 +2036,7 @@ static void yuv2rgb_c_gray (yuv2rgb_t *this, uint8_t * _dst,
scale_line_func_t scale_line = this->scale_line;
dy = 0;
- dst_height = this->dest_height;
+ dst_height = this->next_slice (this, &_dst);
for (;;) {
scale_line (_py, _dst, this->dest_width, this->step_dx);
@@ -2035,7 +2062,7 @@ static void yuv2rgb_c_gray (yuv2rgb_t *this, uint8_t * _dst,
*/
}
} else {
- for (height = this->source_height; --height >= 0; ) {
+ for (height = this->next_slice (this, &_dst); --height >= 0; ) {
xine_fast_memcpy(_dst, _py, this->dest_width);
_dst += this->rgb_stride;
_py += this->y_stride;
@@ -2065,7 +2092,7 @@ static void yuv2rgb_c_palette (yuv2rgb_t *this, uint8_t * _dst,
this->dest_width, this->step_dx);
dy = 0;
- dst_height = this->dest_height;
+ dst_height = this->next_slice (this, &_dst);
for (height = 0;; ) {
dst_1 = _dst;
@@ -2129,7 +2156,7 @@ static void yuv2rgb_c_palette (yuv2rgb_t *this, uint8_t * _dst,
} while( dy>=32768 );
}
} else {
- height = this->source_height >> 1;
+ height = this->next_slice (this, &_dst) >> 1;
do {
dst_1 = _dst;
dst_2 = _dst + this->rgb_stride;
@@ -2539,7 +2566,7 @@ static void yuy22rgb_c_32 (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
this->dest_width, this->step_dx);
dy = 0;
- height = this->dest_height;
+ height = this->next_slice (this, &_dst) >> 1;
for (;;) {
dst_1 = (uint32_t*)_dst;
@@ -2618,7 +2645,7 @@ static void yuy22rgb_c_24_rgb (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
this->dest_width, this->step_dx);
dy = 0;
- height = this->dest_height;
+ height = this->next_slice (this, &_dst) >> 1;
for (;;) {
dst_1 = _dst;
@@ -2696,7 +2723,7 @@ static void yuy22rgb_c_24_bgr (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
this->dest_width, this->step_dx);
dy = 0;
- height = this->dest_height;
+ height = this->next_slice (this, &_dst) >> 1;
for (;;) {
dst_1 = _dst;
@@ -2770,7 +2797,7 @@ static void yuy22rgb_c_16 (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
this->dest_width, this->step_dx);
dy = 0;
- height = this->dest_height;
+ height = this->next_slice (this, &_dst) >> 1;
for (;;) {
dst_1 = (uint16_t*)_dst;
@@ -2844,7 +2871,7 @@ static void yuy22rgb_c_8 (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
this->dest_width, this->step_dx);
dy = 0;
- height = this->dest_height;
+ height = this->next_slice (this, &_dst) >> 1;
for (;;) {
dst_1 = _dst;
@@ -2908,7 +2935,7 @@ static void yuy22rgb_c_gray (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
if (this->do_scale) {
dy = 0;
- height = this->dest_height;
+ height = this->next_slice (this, &_dst) >> 1;
for (;;) {
scale_line_2 (_p, _dst, this->dest_width, this->step_dx);
@@ -2931,7 +2958,7 @@ static void yuy22rgb_c_gray (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
dy &= 32767;
}
} else {
- for (height = this->source_height; --height >= 0; ) {
+ for (height = this->next_slice (this, &_dst); --height >= 0; ) {
dst = _dst;
y = _p;
for (width = this->source_width; --width >= 0; ) {
@@ -2961,7 +2988,7 @@ static void yuy22rgb_c_palette (yuv2rgb_t *this, uint8_t * _dst, uint8_t * _p)
this->dest_width, this->step_dx);
dy = 0;
- height = this->dest_height;
+ height = this->next_slice (this, &_dst) >> 1;
for (;;) {
dst_1 = _dst;
@@ -3076,6 +3103,7 @@ yuv2rgb_t *yuv2rgb_create_converter (yuv2rgb_factory_t *factory) {
this->yuv2rgb_single_pixel_fun = factory->yuv2rgb_single_pixel_fun;
this->configure = yuv2rgb_configure;
+ this->next_slice = yuv2rgb_next_slice;
return this;
}
@@ -3176,4 +3204,3 @@ yuv2rgb_factory_t* yuv2rgb_factory_init (int mode, int swapped,
return this;
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-03 10:41:38 +0000