summaryrefslogtreecommitdiffstats
path: root/libvo/yuv2rgb.c
diff options
context:
space:
mode:
Diffstat (limited to 'libvo/yuv2rgb.c')
-rw-r--r--libvo/yuv2rgb.c414
1 files changed, 0 insertions, 414 deletions
diff --git a/libvo/yuv2rgb.c b/libvo/yuv2rgb.c
deleted file mode 100644
index 21101e306f..0000000000
--- a/libvo/yuv2rgb.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/*
- * yuv2rgb.c, Software YUV to RGB coverter
- *
- * Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- * All Rights Reserved.
- *
- * Functions broken out from display_x11.c and several new modes
- * added by Håkan Hjort <d95hjort@dtek.chalmers.se>
- *
- * 15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>
- *
- * This file is part of mpeg2dec, a free MPEG-2 video decoder
- *
- * mpeg2dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * mpeg2dec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Make; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "config.h"
-#include "video_out.h"
-#include "yuv2rgb.h"
-
-uint32_t matrix_coefficients = 6;
-
-const int32_t Inverse_Table_6_9[8][4] = {
- {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
- {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
- {104597, 132201, 25675, 53279}, /* unspecified */
- {104597, 132201, 25675, 53279}, /* reserved */
- {104448, 132798, 24759, 53109}, /* FCC */
- {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
- {104597, 132201, 25675, 53279}, /* SMPTE 170M */
- {117579, 136230, 16907, 35559} /* SMPTE 240M (1987) */
-};
-
-static void yuv2rgb_c_init (int bpp, int mode);
-
-yuv2rgb_fun yuv2rgb;
-
-static void (* yuv2rgb_c_internal) (uint8_t *, uint8_t *,
- uint8_t *, uint8_t *,
- void *, void *, int);
-
-static void yuv2rgb_c (void * dst, uint8_t * py,
- uint8_t * pu, uint8_t * pv,
- int h_size, int v_size,
- int rgb_stride, int y_stride, int uv_stride)
-{
- v_size >>= 1;
-
- while (v_size--) {
- yuv2rgb_c_internal (py, py + y_stride, pu, pv, dst, dst + rgb_stride,
- h_size);
-
- py += 2 * y_stride;
- pu += uv_stride;
- pv += uv_stride;
- dst += 2 * rgb_stride;
- }
-}
-
-void yuv2rgb_init (int bpp, int mode)
-{
- yuv2rgb = NULL;
-#ifdef HAVE_MMX
- if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
- yuv2rgb = yuv2rgb_init_mmx (bpp, mode);
- if (yuv2rgb != NULL)
- printf ("Using MMX for colorspace transform\n");
- else
- printf ("Cannot init MMX colorspace transform\n");
- }
-#endif
-#ifdef HAVE_MLIB
- if (yuv2rgb == NULL /*&& (config.flags & VO_MLIB_ENABLE)*/) {
- yuv2rgb = yuv2rgb_init_mlib (bpp, mode);
- if (yuv2rgb != NULL)
- printf ("Using mlib for colorspace transform\n");
- }
-#endif
- if (yuv2rgb == NULL) {
- printf ("No accelerated colorspace conversion found\n");
- yuv2rgb_c_init (bpp, mode);
- yuv2rgb = (yuv2rgb_fun)yuv2rgb_c;
- }
-}
-
-void * table_rV[256];
-void * table_gU[256];
-int table_gV[256];
-void * table_bU[256];
-
-#define RGB(i) \
- U = pu[i]; \
- V = pv[i]; \
- r = table_rV[V]; \
- g = table_gU[U] + table_gV[V]; \
- b = table_bU[U];
-
-#define DST1(i) \
- Y = py_1[2*i]; \
- dst_1[2*i] = r[Y] + g[Y] + b[Y]; \
- Y = py_1[2*i+1]; \
- dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
-
-#define DST2(i) \
- Y = py_2[2*i]; \
- dst_2[2*i] = r[Y] + g[Y] + b[Y]; \
- Y = py_2[2*i+1]; \
- dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
-
-#define DST1RGB(i) \
- Y = py_1[2*i]; \
- dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y]; \
- Y = py_1[2*i+1]; \
- dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
-
-#define DST2RGB(i) \
- Y = py_2[2*i]; \
- dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y]; \
- Y = py_2[2*i+1]; \
- dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
-
-#define DST1BGR(i) \
- Y = py_1[2*i]; \
- dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y]; \
- Y = py_1[2*i+1]; \
- dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
-
-#define DST2BGR(i) \
- Y = py_2[2*i]; \
- dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y]; \
- Y = py_2[2*i+1]; \
- dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
-
-static void yuv2rgb_c_32 (uint8_t * py_1, uint8_t * py_2,
- uint8_t * pu, uint8_t * pv,
- void * _dst_1, void * _dst_2, int h_size)
-{
- int U, V, Y;
- uint32_t * r, * g, * b;
- uint32_t * dst_1, * dst_2;
-
- h_size >>= 3;
- dst_1 = _dst_1;
- dst_2 = _dst_2;
-
- while (h_size--) {
- RGB(0);
- DST1(0);
- DST2(0);
-
- RGB(1);
- DST2(1);
- DST1(1);
-
- RGB(2);
- DST1(2);
- DST2(2);
-
- RGB(3);
- DST2(3);
- DST1(3);
-
- pu += 4;
- pv += 4;
- py_1 += 8;
- py_2 += 8;
- dst_1 += 8;
- dst_2 += 8;
- }
-}
-
-// This is very near from the yuv2rgb_c_32 code
-static void yuv2rgb_c_24_rgb (uint8_t * py_1, uint8_t * py_2,
- uint8_t * pu, uint8_t * pv,
- void * _dst_1, void * _dst_2, int h_size)
-{
- int U, V, Y;
- uint8_t * r, * g, * b;
- uint8_t * dst_1, * dst_2;
-
- h_size >>= 3;
- dst_1 = _dst_1;
- dst_2 = _dst_2;
-
- while (h_size--) {
- RGB(0);
- DST1RGB(0);
- DST2RGB(0);
-
- RGB(1);
- DST2RGB(1);
- DST1RGB(1);
-
- RGB(2);
- DST1RGB(2);
- DST2RGB(2);
-
- RGB(3);
- DST2RGB(3);
- DST1RGB(3);
-
- pu += 4;
- pv += 4;
- py_1 += 8;
- py_2 += 8;
- dst_1 += 24;
- dst_2 += 24;
- }
-}
-
-// only trivial mods from yuv2rgb_c_24_rgb
-static void yuv2rgb_c_24_bgr (uint8_t * py_1, uint8_t * py_2,
- uint8_t * pu, uint8_t * pv,
- void * _dst_1, void * _dst_2, int h_size)
-{
- int U, V, Y;
- uint8_t * r, * g, * b;
- uint8_t * dst_1, * dst_2;
-
- h_size >>= 3;
- dst_1 = _dst_1;
- dst_2 = _dst_2;
-
- while (h_size--) {
- RGB(0);
- DST1BGR(0);
- DST2BGR(0);
-
- RGB(1);
- DST2BGR(1);
- DST1BGR(1);
-
- RGB(2);
- DST1BGR(2);
- DST2BGR(2);
-
- RGB(3);
- DST2BGR(3);
- DST1BGR(3);
-
- pu += 4;
- pv += 4;
- py_1 += 8;
- py_2 += 8;
- dst_1 += 24;
- dst_2 += 24;
- }
-}
-
-// This is exactly the same code as yuv2rgb_c_32 except for the types of
-// r, g, b, dst_1, dst_2
-static void yuv2rgb_c_16 (uint8_t * py_1, uint8_t * py_2,
- uint8_t * pu, uint8_t * pv,
- void * _dst_1, void * _dst_2, int h_size)
-{
- int U, V, Y;
- uint16_t * r, * g, * b;
- uint16_t * dst_1, * dst_2;
-
- h_size >>= 3;
- dst_1 = _dst_1;
- dst_2 = _dst_2;
-
- while (h_size--) {
- RGB(0);
- DST1(0);
- DST2(0);
-
- RGB(1);
- DST2(1);
- DST1(1);
-
- RGB(2);
- DST1(2);
- DST2(2);
-
- RGB(3);
- DST2(3);
- DST1(3);
-
- pu += 4;
- pv += 4;
- py_1 += 8;
- py_2 += 8;
- dst_1 += 8;
- dst_2 += 8;
- }
-}
-
-static int div_round (int dividend, int divisor)
-{
- if (dividend > 0)
- return (dividend + (divisor>>1)) / divisor;
- else
- return -((-dividend + (divisor>>1)) / divisor);
-}
-
-static void yuv2rgb_c_init (int bpp, int mode)
-{
- int i;
- uint8_t table_Y[1024];
- uint32_t *table_32 = 0;
- uint16_t *table_16 = 0;
- uint8_t *table_8 = 0;
- uint32_t entry_size = 0;
- void *table_r = 0, *table_g = 0, *table_b = 0;
-
- int crv = Inverse_Table_6_9[matrix_coefficients][0];
- int cbu = Inverse_Table_6_9[matrix_coefficients][1];
- int cgu = -Inverse_Table_6_9[matrix_coefficients][2];
- int cgv = -Inverse_Table_6_9[matrix_coefficients][3];
-
- for (i = 0; i < 1024; i++) {
- int j;
-
- j = (76309 * (i - 384 - 16) + 32768) >> 16;
- j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
- table_Y[i] = j;
- }
-
- switch (bpp) {
- case 32:
- yuv2rgb_c_internal = yuv2rgb_c_32;
-
- table_32 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
-
- entry_size = sizeof (uint32_t);
- table_r = table_32 + 197;
- table_b = table_32 + 197 + 685;
- table_g = table_32 + 197 + 2*682;
-
- for (i = -197; i < 256+197; i++)
- ((uint32_t *)table_r)[i] = table_Y[i+384] << ((mode==MODE_RGB) ? 16 : 0);
- for (i = -132; i < 256+132; i++)
- ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
- for (i = -232; i < 256+232; i++)
- ((uint32_t *)table_b)[i] = table_Y[i+384] << ((mode==MODE_RGB) ? 0 : 16);
- break;
-
- case 24:
-// yuv2rgb_c_internal = (mode==MODE_RGB) ? yuv2rgb_c_24_rgb : yuv2rgb_c_24_bgr;
- yuv2rgb_c_internal = (mode!=MODE_RGB) ? yuv2rgb_c_24_rgb : yuv2rgb_c_24_bgr;
-
- table_8 = malloc ((256 + 2*232) * sizeof (uint8_t));
-
- entry_size = sizeof (uint8_t);
- table_r = table_g = table_b = table_8 + 232;
-
- for (i = -232; i < 256+232; i++)
- ((uint8_t * )table_b)[i] = table_Y[i+384];
- break;
-
- case 15:
- case 16:
- yuv2rgb_c_internal = yuv2rgb_c_16;
-
- table_16 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
-
- entry_size = sizeof (uint16_t);
- table_r = table_16 + 197;
- table_b = table_16 + 197 + 685;
- table_g = table_16 + 197 + 2*682;
-
- for (i = -197; i < 256+197; i++) {
- int j = table_Y[i+384] >> 3;
-
- if (mode == MODE_RGB)
- j <<= ((bpp==16) ? 11 : 10);
-
- ((uint16_t *)table_r)[i] = j;
- }
- for (i = -132; i < 256+132; i++) {
- int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
-
- ((uint16_t *)table_g)[i] = j << 5;
- }
- for (i = -232; i < 256+232; i++) {
- int j = table_Y[i+384] >> 3;
-
- if (mode == MODE_BGR)
- j <<= ((bpp==16) ? 11 : 10);
-
- ((uint16_t *)table_b)[i] = j;
- }
- break;
-
- default:
- printf ("%ibpp not supported by yuv2rgb\n", bpp);
- //exit (1);
- }
-
- for (i = 0; i < 256; i++) {
- table_rV[i] = table_r + entry_size * div_round (crv * (i-128), 76309);
- table_gU[i] = table_g + entry_size * div_round (cgu * (i-128), 76309);
- table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
- table_bU[i] = table_b + entry_size * div_round (cbu * (i-128), 76309);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 08:35:42 +0000