[MPlayer-cvslog] r21699 - in trunk/libswscale: Makefile rgb2rgb.c swscale.c yuv2rgb_init.c
lucabe
subversion at mplayerhq.hu
Wed Dec 20 14:09:29 CET 2006
Author: lucabe
Date: Wed Dec 20 14:09:29 2006
New Revision: 21699
Added:
trunk/libswscale/yuv2rgb_init.c
Modified:
trunk/libswscale/Makefile
trunk/libswscale/rgb2rgb.c
trunk/libswscale/swscale.c
Log:
Allow to compile swscale's non-SIMD code under the LGPL license.
Since mplayer always define CONFIG_GPL, this commit should not change
anything for mplayer.
Modified: trunk/libswscale/Makefile
==============================================================================
--- trunk/libswscale/Makefile (original)
+++ trunk/libswscale/Makefile Wed Dec 20 14:09:29 2006
@@ -9,10 +9,15 @@
EXTRALIBS := -L$(BUILD_ROOT)/libavutil -lavutil$(BUILDSUF) $(EXTRALIBS)
-OBJS= swscale.o rgb2rgb.o yuv2rgb.o
+OBJS= swscale.o rgb2rgb.o
ifeq ($(TARGET_ALTIVEC),yes)
OBJS+= yuv2rgb_altivec.o
endif
+ifeq ($(CONFIG_GPL),yes)
+OBJS+= yuv2rgb.o
+else
+OBJS+= yuv2rgb_init.o
+endif
HEADERS = swscale.h rgb2rgb.h
Modified: trunk/libswscale/rgb2rgb.c
==============================================================================
--- trunk/libswscale/rgb2rgb.c (original)
+++ trunk/libswscale/rgb2rgb.c Wed Dec 20 14:09:29 2006
@@ -91,7 +91,7 @@
long srcStride1, long srcStride2,
long srcStride3, long dstStride);
-#if defined(ARCH_X86)
+#if defined(ARCH_X86) && defined(CONFIG_GPL)
static const uint64_t mmx_null __attribute__((aligned(8))) = 0x0000000000000000ULL;
static const uint64_t mmx_one __attribute__((aligned(8))) = 0xFFFFFFFFFFFFFFFFULL;
static const uint64_t mask32b attribute_used __attribute__((aligned(8))) = 0x000000FF000000FFULL;
@@ -175,7 +175,7 @@
#define RENAME(a) a ## _C
#include "rgb2rgb_template.c"
-#if defined(ARCH_X86)
+#if defined(ARCH_X86) && defined(CONFIG_GPL)
//MMX versions
#undef RENAME
@@ -214,7 +214,7 @@
*/
void sws_rgb2rgb_init(int flags){
-#if defined(HAVE_MMX2) || defined(HAVE_3DNOW) || defined(HAVE_MMX)
+#if (defined(HAVE_MMX2) || defined(HAVE_3DNOW) || defined(HAVE_MMX)) && defined(CONFIG_GPL)
if(flags & SWS_CPU_CAPS_MMX2){
rgb15to16= rgb15to16_MMX2;
rgb15to24= rgb15to24_MMX2;
Modified: trunk/libswscale/swscale.c
==============================================================================
--- trunk/libswscale/swscale.c (original)
+++ trunk/libswscale/swscale.c Wed Dec 20 14:09:29 2006
@@ -149,7 +149,7 @@
write special BGR->BGR scaler
*/
-#if defined(ARCH_X86)
+#if defined(ARCH_X86) && defined (CONFIG_GPL)
static uint64_t attribute_used __attribute__((aligned(8))) bF8= 0xF8F8F8F8F8F8F8F8LL;
static uint64_t attribute_used __attribute__((aligned(8))) bFC= 0xFCFCFCFCFCFCFCFCLL;
static uint64_t __attribute__((aligned(8))) w10= 0x0010001000100010LL;
@@ -290,7 +290,7 @@
}
}
-#if defined(ARCH_X86)
+#if defined(ARCH_X86) && defined (CONFIG_GPL)
void in_asm_used_var_warning_killer()
{
volatile int i= bF8+bFC+w10+
@@ -803,27 +803,27 @@
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
//Plain C versions
-#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
+#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT) || !defined(CONFIG_GPL)
#define COMPILE_C
#endif
#ifdef ARCH_POWERPC
-#if defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)
+#if (defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
#define COMPILE_ALTIVEC
#endif //HAVE_ALTIVEC
#endif //ARCH_POWERPC
#if defined(ARCH_X86)
-#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
+#if ((defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
#define COMPILE_MMX
#endif
-#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
+#if (defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
#define COMPILE_MMX2
#endif
-#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
+#if ((defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
#define COMPILE_3DNOW
#endif
#endif //ARCH_X86 || ARCH_X86_64
@@ -1470,7 +1470,7 @@
static SwsFunc getSwsFunc(int flags){
-#ifdef RUNTIME_CPUDETECT
+#if defined(RUNTIME_CPUDETECT) && defined (CONFIG_GPL)
#if defined(ARCH_X86)
// ordered per speed fasterst first
if(flags & SWS_CPU_CAPS_MMX2)
@@ -1948,7 +1948,7 @@
asm volatile("emms\n\t"::: "memory");
#endif
-#ifndef RUNTIME_CPUDETECT //ensure that the flags match the compiled variant if cpudetect is off
+#if !defined(RUNTIME_CPUDETECT) || !defined (CONFIG_GPL) //ensure that the flags match the compiled variant if cpudetect is off
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC);
#ifdef HAVE_MMX2
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2;
@@ -2058,11 +2058,13 @@
{
c->swScale= PlanarToNV12Wrapper;
}
+#ifdef CONFIG_GPL
/* yuv2bgr */
if((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P) && (isBGR(dstFormat) || isRGB(dstFormat)))
{
c->swScale= yuv2rgb_get_func_ptr(c);
}
+#endif
if( srcFormat==PIX_FMT_YUV410P && dstFormat==PIX_FMT_YUV420P )
{
@@ -2802,7 +2804,7 @@
av_free(c->hChrFilterPos);
c->hChrFilterPos = NULL;
-#if defined(ARCH_X86)
+#if defined(ARCH_X86) && defined(CONFIG_GPL)
#ifdef MAP_ANONYMOUS
if(c->funnyYCode) munmap(c->funnyYCode, MAX_FUNNY_CODE_SIZE);
if(c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE);
Added: trunk/libswscale/yuv2rgb_init.c
==============================================================================
--- (empty file)
+++ trunk/libswscale/yuv2rgb_init.c Wed Dec 20 14:09:29 2006
@@ -0,0 +1,407 @@
+#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;
+ } 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] = 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;
+}
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