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authorLuca Abeni <lucabe72@email.it>2007-07-03 13:52:36 +0000
committerLuca Abeni <lucabe72@email.it>2007-07-03 13:52:36 +0000
commit6969e0a030bc47bef5679dd446772564e7b4b7db (patch)
tree2c93832dcb2db759bc0ec9a31d7dab003bc22863 /libswscale
parent3ada94ba287e345cc50ce8ba34ea412a52a1ac67 (diff)
downloadffmpeg-6969e0a030bc47bef5679dd446772564e7b4b7db.tar.gz
Remove unused file
Originally committed as revision 23715 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/yuv2rgb_init.c412
1 files changed, 0 insertions, 412 deletions
diff --git a/libswscale/yuv2rgb_init.c b/libswscale/yuv2rgb_init.c
deleted file mode 100644
index 1923f4e9b2..0000000000
--- a/libswscale/yuv2rgb_init.c
+++ /dev/null
@@ -1,412 +0,0 @@
-#include "avutil.h"
-#include "swscale.h"
-#include "swscale_internal.h"
-
-#define YTABLE_MIN 384
-
-/**
- * YUV -> RGB conversion matrixes (inverse of table 6.9 in MPEG2 standard)
- *
- * An YUV -> RGB conversion matrix is in the form
- * | 1 0 Rv |
- * | 1 Gu Gv |
- * | 1 Bu 0 |
- *
- * Inverse_Table_6_9 stores | Rv Bu Gv Gu | * 255/224*2^16.
- * \arg Maximum Rv value: 117570
- * \arg Maximum Bu value: 138420
- * \arg Maximum Gv + Gu value: 25642 + 53281 = 78923
- *
- * These values are needed to allocate table_{r, g, b}. If you modify
- * this table, please update allocate_tables() accordingly
- */
-const int32_t Inverse_Table_6_9[8][4] = {
- {0, 0, 0, 0}, /* no sequence_display_extension */
- {117500, 138420, -13985, -34933}, /* ITU-R Rec. 709 (1990) */
- {0, 0, 0, 0}, /* unspecified */
- {0, 0, 0, 0}, /* reserved */
- {104480, 132820, -24811, -53150}, /* FCC */
- {104570, 132210, -25642, -53281}, /* ITU-R Rec. 624-4 System B, G */
- {104570, 132210, -25642, -53281}, /* SMPTE 170M */
- {117570, 136230, -16892, -35552} /* SMPTE 240M (1987) */
-};
-
-
-/**
- * Dithering matrixes (these are bayer ordered dither matrixes
- * with some manual changes by Michael)
- */
-const uint8_t __attribute__((aligned(8))) dither_2x2_4[2][8]={
-{ 1, 3, 1, 3, 1, 3, 1, 3, },
-{ 2, 0, 2, 0, 2, 0, 2, 0, },
-};
-
-const uint8_t __attribute__((aligned(8))) dither_2x2_8[2][8]={
-{ 6, 2, 6, 2, 6, 2, 6, 2, },
-{ 0, 4, 0, 4, 0, 4, 0, 4, },
-};
-
-const uint8_t __attribute__((aligned(8))) dither_8x8_32[8][8]={
-{ 17, 9, 23, 15, 16, 8, 22, 14, },
-{ 5, 29, 3, 27, 4, 28, 2, 26, },
-{ 21, 13, 19, 11, 20, 12, 18, 10, },
-{ 0, 24, 6, 30, 1, 25, 7, 31, },
-{ 16, 8, 22, 14, 17, 9, 23, 15, },
-{ 4, 28, 2, 26, 5, 29, 3, 27, },
-{ 20, 12, 18, 10, 21, 13, 19, 11, },
-{ 1, 25, 7, 31, 0, 24, 6, 30, },
-};
-
-#if 0
-const uint8_t __attribute__((aligned(8))) dither_8x8_64[8][8]={
-{ 0, 48, 12, 60, 3, 51, 15, 63, },
-{ 32, 16, 44, 28, 35, 19, 47, 31, },
-{ 8, 56, 4, 52, 11, 59, 7, 55, },
-{ 40, 24, 36, 20, 43, 27, 39, 23, },
-{ 2, 50, 14, 62, 1, 49, 13, 61, },
-{ 34, 18, 46, 30, 33, 17, 45, 29, },
-{ 10, 58, 6, 54, 9, 57, 5, 53, },
-{ 42, 26, 38, 22, 41, 25, 37, 21, },
-};
-#endif
-
-const uint8_t __attribute__((aligned(8))) dither_8x8_73[8][8]={
-{ 0, 55, 14, 68, 3, 58, 17, 72, },
-{ 37, 18, 50, 32, 40, 22, 54, 35, },
-{ 9, 64, 5, 59, 13, 67, 8, 63, },
-{ 46, 27, 41, 23, 49, 31, 44, 26, },
-{ 2, 57, 16, 71, 1, 56, 15, 70, },
-{ 39, 21, 52, 34, 38, 19, 51, 33, },
-{ 11, 66, 7, 62, 10, 65, 6, 60, },
-{ 48, 30, 43, 25, 47, 29, 42, 24, },
-};
-
-#if 0
-const uint8_t __attribute__((aligned(8))) dither_8x8_128[8][8]={
-{ 68, 36, 92, 60, 66, 34, 90, 58, },
-{ 20, 116, 12, 108, 18, 114, 10, 106, },
-{ 84, 52, 76, 44, 82, 50, 74, 42, },
-{ 0, 96, 24, 120, 6, 102, 30, 126, },
-{ 64, 32, 88, 56, 70, 38, 94, 62, },
-{ 16, 112, 8, 104, 22, 118, 14, 110, },
-{ 80, 48, 72, 40, 86, 54, 78, 46, },
-{ 4, 100, 28, 124, 2, 98, 26, 122, },
-};
-#endif
-
-#if 1
-const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
-{117, 62, 158, 103, 113, 58, 155, 100, },
-{ 34, 199, 21, 186, 31, 196, 17, 182, },
-{144, 89, 131, 76, 141, 86, 127, 72, },
-{ 0, 165, 41, 206, 10, 175, 52, 217, },
-{110, 55, 151, 96, 120, 65, 162, 107, },
-{ 28, 193, 14, 179, 38, 203, 24, 189, },
-{138, 83, 124, 69, 148, 93, 134, 79, },
-{ 7, 172, 48, 213, 3, 168, 45, 210, },
-};
-#elif 1
-// tries to correct a gamma of 1.5
-const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
-{ 0, 143, 18, 200, 2, 156, 25, 215, },
-{ 78, 28, 125, 64, 89, 36, 138, 74, },
-{ 10, 180, 3, 161, 16, 195, 8, 175, },
-{109, 51, 93, 38, 121, 60, 105, 47, },
-{ 1, 152, 23, 210, 0, 147, 20, 205, },
-{ 85, 33, 134, 71, 81, 30, 130, 67, },
-{ 14, 190, 6, 171, 12, 185, 5, 166, },
-{117, 57, 101, 44, 113, 54, 97, 41, },
-};
-#elif 1
-// tries to correct a gamma of 2.0
-const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
-{ 0, 124, 8, 193, 0, 140, 12, 213, },
-{ 55, 14, 104, 42, 66, 19, 119, 52, },
-{ 3, 168, 1, 145, 6, 187, 3, 162, },
-{ 86, 31, 70, 21, 99, 39, 82, 28, },
-{ 0, 134, 11, 206, 0, 129, 9, 200, },
-{ 62, 17, 114, 48, 58, 16, 109, 45, },
-{ 5, 181, 2, 157, 4, 175, 1, 151, },
-{ 95, 36, 78, 26, 90, 34, 74, 24, },
-};
-#else
-// tries to correct a gamma of 2.5
-const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
-{ 0, 107, 3, 187, 0, 125, 6, 212, },
-{ 39, 7, 86, 28, 49, 11, 102, 36, },
-{ 1, 158, 0, 131, 3, 180, 1, 151, },
-{ 68, 19, 52, 12, 81, 25, 64, 17, },
-{ 0, 119, 5, 203, 0, 113, 4, 195, },
-{ 45, 9, 96, 33, 42, 8, 91, 30, },
-{ 2, 172, 1, 144, 2, 165, 0, 137, },
-{ 77, 23, 60, 15, 72, 21, 56, 14, },
-};
-#endif
-
-static int get_entry_size(int bpp)
-{
- switch(bpp) {
- case 32:
- return 4;
- case 16:
- case 15:
- return 2;
- case 24:
- case 8:
- case 4:
- case 1:
- return 1;
- default:
- return -1;
- }
-}
-
-/**
- * Allocate table_r, table_g, and table_b
- *
- * For cache efficency reasons, these three tables are allocated
- * together, so that they are contiguous in memory
- *
- * table_r is indexed in the range
- * [-128 * 117570 / 76309, 255 + 127 * 117570 / 76309] =
- * [-197.21, 451.67] ---> [-198, 452]
- * table_b is indexed in the range
- * [-128 * 138420 / 76309, 255 + 127 * 138420 / 76309] =
- * [232.18, 485.37] ---> [-233, 486]
- * table_g is indexed in the range
- * [-128 * 78923 / 76309, 255 + 127 * 78923 / 76309] =
- * [-132.38, 386.35] ---> [-133, 387]
- *
- * Please look at the comments after Inverse_Table_6_9 to see where these
- * numbers are coming from.
- */
-static void *allocate_tables(uint8_t **table_r, uint8_t **table_g, uint8_t **table_b, int bpp)
-{
- uint8_t *table;
- int entry_size;
-
- entry_size = get_entry_size(bpp);
-
- /* First allocate the memory... */
- switch (bpp) {
- case 32:
- case 15:
- case 16:
- case 8:
- case 4:
- table = av_malloc((198 + 452 + 233 + 486 + 133 + 387) * entry_size);
- break;
- case 24:
- table = av_malloc(256 + 2 * 233);
- break;
- case 1:
- table = av_malloc (256 * 2);
- break;
- default:
- table = NULL;
- }
- if (table == NULL) {
- MSG_ERR("Cannot allocate memory for the YUV -> RGB tables!\n");
-
- return NULL;
- }
-
- /* ...and then, assign the table_* value */
- switch (bpp) {
- case 32:
- case 15:
- case 16:
- case 8:
- case 4:
- *table_r = table + 198 * entry_size;
- *table_b = table + (198 + 452 + 133 + 387 + 233) * entry_size;
- *table_g = table + (198 + 452 + 133) * entry_size;
- break;
- case 24:
- *table_r = *table_g = *table_b = table + 233;
- break;
- case 1:
- *table_g = table;
- *table_r = *table_b = NULL;
- break;
- }
-
- return table;
-}
-
-/**
- * Initialize the table_rV, table_gU[i], table_gV, and table_bU fields
- * in SwsContext
- *
- * @param inv_table the YUV -> RGB table (this is a line of Inverse_Table_6_9)
- * @param fullRange 0->MPEG YUV space 1->JPEG YUV space
-*/
-int yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
-{
- int i;
- static uint8_t ytable[1024];
- int64_t cy, oy;
- int64_t crv, cbu, cgu, cgv;
- int entry_size = 0;
- uint8_t *table_r, *table_g, *table_b;
- int value;
-
- if ((inv_table[0] == 0) || (inv_table[1] == 0) || (inv_table[2] == 0) || (inv_table[3] == 0)) {
- MSG_ERR("Invalid YUV ---> RGB table!\n");
-
- return -1;
- }
- crv = inv_table[0];
- cbu = inv_table[1];
- cgu = inv_table[2];
- cgv = inv_table[3];
- if (fullRange) {
- cy = 1 << 16;
- oy = 0;
- crv= (crv*224) / 255;
- cbu= (cbu*224) / 255;
- cgu= (cgu*224) / 255;
- cgv= (cgv*224) / 255;
- //FIXME maybe it is cleaner if the tables where based on full range (*244/255)
- } else {
- cy = ((1 << 16) * 255) / 219;
- oy= 16 << 16;
- }
-
- cy = (cy *contrast )>>16;
- crv= (crv*contrast * saturation)>>32;
- cbu= (cbu*contrast * saturation)>>32;
- cgu= (cgu*contrast * saturation)>>32;
- cgv= (cgv*contrast * saturation)>>32;
- oy -= 256*brightness;
-
- for (i = 0; i < 1024; i++) {
- value = (cy*(((i - YTABLE_MIN)<<16) - oy) + (1<<31))>>32;
- ytable[i] = av_clip_uint8(value);
- }
-
- entry_size = get_entry_size(fmt_depth(c->dstFormat));
- av_free(c->yuvTable);
- c->yuvTable = allocate_tables(&table_r, &table_g, &table_b, fmt_depth(c->dstFormat));
- if (c->yuvTable == NULL) {
- return -1;
- }
-
- switch (fmt_depth(c->dstFormat)) {
- case 32:
- for (i = -198; i < 256 + 197; i++) {
- value = ytable[i + YTABLE_MIN];
- if (isBGR(c->dstFormat)) {
- value <<= 16;
- }
- ((uint32_t *)table_r)[i] = value;
- }
- for (i = -133; i < 256 + 132; i++) {
- ((uint32_t *)table_g)[i] = ytable[i + YTABLE_MIN] << 8;
- }
- for (i = -233; i < 256 + 232; i++) {
- value = ytable[i + YTABLE_MIN];
- if (!isBGR(c->dstFormat)) {
- value <<= 16;
- }
- ((uint32_t *)table_b)[i] = value;
- }
- break;
-
- case 24:
- for (i = -233; i < 256 + 232; i++) {
- ((uint8_t * )table_b)[i] = ytable[i + YTABLE_MIN];
- }
- break;
-
- case 15:
- case 16:
- for (i = -198; i < 256 + 197; i++) {
- value = ytable[i + YTABLE_MIN] >> 3;
- if (isBGR(c->dstFormat)) {
- value <<= ((fmt_depth(c->dstFormat) == 16) ? 11 : 10);
- }
- ((uint16_t *)table_r)[i] = value;
- }
- for (i = -133; i < 256 + 132; i++) {
- value = ytable[i + YTABLE_MIN];
- value >>= ((fmt_depth(c->dstFormat) == 16) ? 2 : 3);
- ((uint16_t *)table_g)[i] = value << 5;
- }
- for (i = -233; i < 256 + 232; i++) {
- value = ytable[i + YTABLE_MIN] >> 3;
- if (!isBGR(c->dstFormat)) {
- value <<= ((fmt_depth(c->dstFormat) == 16) ? 11 : 10);
- }
- ((uint16_t *)table_b)[i] = value;
- }
- break;
- case 8:
- for (i = -198; i < 256 + 197; i++) {
- value = (ytable[i + YTABLE_MIN - 16] + 18) / 36;
- if (isBGR(c->dstFormat)) {
- value <<= 5;
- }
- ((uint8_t *)table_r)[i] = value;
- }
- for (i = -133; i < 256 + 132; i++) {
- value = (ytable[i + YTABLE_MIN - 16] + 18) / 36;
- if (!isBGR(c->dstFormat)) {
- value <<= 1;
- }
- ((uint8_t *)table_g)[i] = value << 2;
- }
- for (i = -233; i < 256 + 232; i++) {
- value = (ytable[i + YTABLE_MIN - 37] + 43) / 85;
- if (!isBGR(c->dstFormat)) {
- value <<= 6;
- }
- ((uint8_t *)table_b)[i] = value;
- }
- break;
- case 4:
- for (i = -198; i < 256 + 197; i++) {
- value = ytable[i + YTABLE_MIN - 110] >> 7;
- if (isBGR(c->dstFormat)) {
- value <<= 3;
- }
- ((uint8_t *)table_r)[i] = value;
- }
- for (i = -133; i < 256 + 132; i++) {
- value = (ytable[i + YTABLE_MIN - 37]+ 43) / 85;
- ((uint8_t *)table_g)[i] = value << 1;
- }
- for (i = -233; i < 256 + 232; i++) {
- value = ytable[i + YTABLE_MIN - 110] >> 7;
- if (!isBGR(c->dstFormat)) {
- value <<= 3;
- }
- ((uint8_t *)table_b)[i] = value;
- }
- break;
- case 1:
- for (i = 0; i < 256 + 256; i++) {
- value = ytable[i + YTABLE_MIN - 110] >> 7;
- ((uint8_t *)table_g)[i] = value;
- }
- break;
- default:
- MSG_ERR("%ibpp not supported by yuv2rgb\n", fmt_depth(c->dstFormat));
- av_free(c->yuvTable);
- c->yuvTable = NULL;
-
- return -1;
- }
-
- for (i = 0; i < 256; i++) {
- c->table_rV[i] = table_r +
- entry_size * ROUNDED_DIV(crv * (i - 128), 76309);
- c->table_gU[i] = table_g +
- entry_size * ROUNDED_DIV(cgu * (i - 128), 76309);
- c->table_gV[i] = entry_size * ROUNDED_DIV(cgv * (i - 128), 76309);
- c->table_bU[i] = table_b +
- entry_size * ROUNDED_DIV(cbu * (i - 128), 76309);
- }
-
- return 0;
-}