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Diffstat (limited to 'src/libffmpeg/libavcodec/dsputil.c')
-rw-r--r--src/libffmpeg/libavcodec/dsputil.c346
1 files changed, 142 insertions, 204 deletions
diff --git a/src/libffmpeg/libavcodec/dsputil.c b/src/libffmpeg/libavcodec/dsputil.c
index f98ad388a..a8578b5c7 100644
--- a/src/libffmpeg/libavcodec/dsputil.c
+++ b/src/libffmpeg/libavcodec/dsputil.c
@@ -20,16 +20,14 @@
*/
#include "avcodec.h"
#include "dsputil.h"
-#include "simple_idct.h"
-void (*ff_idct)(DCTELEM *block);
-void (*ff_idct_put)(UINT8 *dest, int line_size, DCTELEM *block);
-void (*ff_idct_add)(UINT8 *dest, int line_size, DCTELEM *block);
void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
void (*diff_pixels)(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
-void (*gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);
+void (*ff_gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);
+void (*ff_gmc )(UINT8 *dst, UINT8 *src, int stride, int h, int ox, int oy,
+ int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
void (*clear_blocks)(DCTELEM *blocks);
int (*pix_sum)(UINT8 * pix, int line_size);
int (*pix_norm1)(UINT8 * pix, int line_size);
@@ -49,16 +47,11 @@ int ff_bit_exact=0;
UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
UINT32 squareTbl[512];
-extern INT16 ff_mpeg1_default_intra_matrix[64];
-extern INT16 ff_mpeg1_default_non_intra_matrix[64];
-extern INT16 ff_mpeg4_default_intra_matrix[64];
-extern INT16 ff_mpeg4_default_non_intra_matrix[64];
-
-UINT8 zigzag_direct[64] = {
- 0, 1, 8, 16, 9, 2, 3, 10,
- 17, 24, 32, 25, 18, 11, 4, 5,
+const UINT8 ff_zigzag_direct[64] = {
+ 0, 1, 8, 16, 9, 2, 3, 10,
+ 17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
- 27, 20, 13, 6, 7, 14, 21, 28,
+ 27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36,
29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46,
@@ -68,100 +61,64 @@ UINT8 zigzag_direct[64] = {
/* not permutated inverse zigzag_direct + 1 for MMX quantizer */
UINT16 __align8 inv_zigzag_direct16[64];
-/* not permutated zigzag_direct for MMX quantizer */
-UINT8 zigzag_direct_noperm[64];
-
-UINT8 ff_alternate_horizontal_scan[64] = {
- 0, 1, 2, 3, 8, 9, 16, 17,
+const UINT8 ff_alternate_horizontal_scan[64] = {
+ 0, 1, 2, 3, 8, 9, 16, 17,
10, 11, 4, 5, 6, 7, 15, 14,
- 13, 12, 19, 18, 24, 25, 32, 33,
+ 13, 12, 19, 18, 24, 25, 32, 33,
26, 27, 20, 21, 22, 23, 28, 29,
- 30, 31, 34, 35, 40, 41, 48, 49,
+ 30, 31, 34, 35, 40, 41, 48, 49,
42, 43, 36, 37, 38, 39, 44, 45,
- 46, 47, 50, 51, 56, 57, 58, 59,
+ 46, 47, 50, 51, 56, 57, 58, 59,
52, 53, 54, 55, 60, 61, 62, 63,
};
-UINT8 ff_alternate_vertical_scan[64] = {
- 0, 8, 16, 24, 1, 9, 2, 10,
+const UINT8 ff_alternate_vertical_scan[64] = {
+ 0, 8, 16, 24, 1, 9, 2, 10,
17, 25, 32, 40, 48, 56, 57, 49,
- 41, 33, 26, 18, 3, 11, 4, 12,
+ 41, 33, 26, 18, 3, 11, 4, 12,
19, 27, 34, 42, 50, 58, 35, 43,
- 51, 59, 20, 28, 5, 13, 6, 14,
+ 51, 59, 20, 28, 5, 13, 6, 14,
21, 29, 36, 44, 52, 60, 37, 45,
- 53, 61, 22, 30, 7, 15, 23, 31,
+ 53, 61, 22, 30, 7, 15, 23, 31,
38, 46, 54, 62, 39, 47, 55, 63,
};
-#ifdef SIMPLE_IDCT
-
-/* Input permutation for the simple_idct_mmx */
-static UINT8 simple_mmx_permutation[64]={
- 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
- 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
- 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
- 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
- 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
- 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
- 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
- 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
-};
-#endif
-
/* a*inverse[b]>>32 == a/b for all 0<=a<=65536 && 2<=b<=255 */
UINT32 inverse[256]={
- 0, 4294967295U,2147483648U,1431655766, 1073741824, 858993460, 715827883, 613566757,
- 536870912, 477218589, 429496730, 390451573, 357913942, 330382100, 306783379, 286331154,
- 268435456, 252645136, 238609295, 226050911, 214748365, 204522253, 195225787, 186737709,
- 178956971, 171798692, 165191050, 159072863, 153391690, 148102321, 143165577, 138547333,
- 134217728, 130150525, 126322568, 122713352, 119304648, 116080198, 113025456, 110127367,
- 107374183, 104755300, 102261127, 99882961, 97612894, 95443718, 93368855, 91382283,
- 89478486, 87652394, 85899346, 84215046, 82595525, 81037119, 79536432, 78090315,
- 76695845, 75350304, 74051161, 72796056, 71582789, 70409300, 69273667, 68174085,
- 67108864, 66076420, 65075263, 64103990, 63161284, 62245903, 61356676, 60492498,
- 59652324, 58835169, 58040099, 57266231, 56512728, 55778797, 55063684, 54366675,
- 53687092, 53024288, 52377650, 51746594, 51130564, 50529028, 49941481, 49367441,
- 48806447, 48258060, 47721859, 47197443, 46684428, 46182445, 45691142, 45210183,
- 44739243, 44278014, 43826197, 43383509, 42949673, 42524429, 42107523, 41698712,
- 41297763, 40904451, 40518560, 40139882, 39768216, 39403370, 39045158, 38693400,
- 38347923, 38008561, 37675152, 37347542, 37025581, 36709123, 36398028, 36092163,
- 35791395, 35495598, 35204650, 34918434, 34636834, 34359739, 34087043, 33818641,
- 33554432, 33294321, 33038210, 32786010, 32537632, 32292988, 32051995, 31814573,
- 31580642, 31350127, 31122952, 30899046, 30678338, 30460761, 30246249, 30034737,
- 29826162, 29620465, 29417585, 29217465, 29020050, 28825284, 28633116, 28443493,
- 28256364, 28071682, 27889399, 27709467, 27531842, 27356480, 27183338, 27012373,
- 26843546, 26676816, 26512144, 26349493, 26188825, 26030105, 25873297, 25718368,
- 25565282, 25414008, 25264514, 25116768, 24970741, 24826401, 24683721, 24542671,
- 24403224, 24265352, 24129030, 23994231, 23860930, 23729102, 23598722, 23469767,
- 23342214, 23216040, 23091223, 22967740, 22845571, 22724695, 22605092, 22486740,
- 22369622, 22253717, 22139007, 22025474, 21913099, 21801865, 21691755, 21582751,
- 21474837, 21367997, 21262215, 21157475, 21053762, 20951060, 20849356, 20748635,
- 20648882, 20550083, 20452226, 20355296, 20259280, 20164166, 20069941, 19976593,
- 19884108, 19792477, 19701685, 19611723, 19522579, 19434242, 19346700, 19259944,
- 19173962, 19088744, 19004281, 18920561, 18837576, 18755316, 18673771, 18592933,
- 18512791, 18433337, 18354562, 18276457, 18199014, 18122225, 18046082, 17970575,
- 17895698, 17821442, 17747799, 17674763, 17602325, 17530479, 17459217, 17388532,
+ 0, 4294967295U,2147483648U,1431655766, 1073741824, 858993460, 715827883, 613566757,
+ 536870912, 477218589, 429496730, 390451573, 357913942, 330382100, 306783379, 286331154,
+ 268435456, 252645136, 238609295, 226050911, 214748365, 204522253, 195225787, 186737709,
+ 178956971, 171798692, 165191050, 159072863, 153391690, 148102321, 143165577, 138547333,
+ 134217728, 130150525, 126322568, 122713352, 119304648, 116080198, 113025456, 110127367,
+ 107374183, 104755300, 102261127, 99882961, 97612894, 95443718, 93368855, 91382283,
+ 89478486, 87652394, 85899346, 84215046, 82595525, 81037119, 79536432, 78090315,
+ 76695845, 75350304, 74051161, 72796056, 71582789, 70409300, 69273667, 68174085,
+ 67108864, 66076420, 65075263, 64103990, 63161284, 62245903, 61356676, 60492498,
+ 59652324, 58835169, 58040099, 57266231, 56512728, 55778797, 55063684, 54366675,
+ 53687092, 53024288, 52377650, 51746594, 51130564, 50529028, 49941481, 49367441,
+ 48806447, 48258060, 47721859, 47197443, 46684428, 46182445, 45691142, 45210183,
+ 44739243, 44278014, 43826197, 43383509, 42949673, 42524429, 42107523, 41698712,
+ 41297763, 40904451, 40518560, 40139882, 39768216, 39403370, 39045158, 38693400,
+ 38347923, 38008561, 37675152, 37347542, 37025581, 36709123, 36398028, 36092163,
+ 35791395, 35495598, 35204650, 34918434, 34636834, 34359739, 34087043, 33818641,
+ 33554432, 33294321, 33038210, 32786010, 32537632, 32292988, 32051995, 31814573,
+ 31580642, 31350127, 31122952, 30899046, 30678338, 30460761, 30246249, 30034737,
+ 29826162, 29620465, 29417585, 29217465, 29020050, 28825284, 28633116, 28443493,
+ 28256364, 28071682, 27889399, 27709467, 27531842, 27356480, 27183338, 27012373,
+ 26843546, 26676816, 26512144, 26349493, 26188825, 26030105, 25873297, 25718368,
+ 25565282, 25414008, 25264514, 25116768, 24970741, 24826401, 24683721, 24542671,
+ 24403224, 24265352, 24129030, 23994231, 23860930, 23729102, 23598722, 23469767,
+ 23342214, 23216040, 23091223, 22967740, 22845571, 22724695, 22605092, 22486740,
+ 22369622, 22253717, 22139007, 22025474, 21913099, 21801865, 21691755, 21582751,
+ 21474837, 21367997, 21262215, 21157475, 21053762, 20951060, 20849356, 20748635,
+ 20648882, 20550083, 20452226, 20355296, 20259280, 20164166, 20069941, 19976593,
+ 19884108, 19792477, 19701685, 19611723, 19522579, 19434242, 19346700, 19259944,
+ 19173962, 19088744, 19004281, 18920561, 18837576, 18755316, 18673771, 18592933,
+ 18512791, 18433337, 18354562, 18276457, 18199014, 18122225, 18046082, 17970575,
+ 17895698, 17821442, 17747799, 17674763, 17602325, 17530479, 17459217, 17388532,
17318417, 17248865, 17179870, 17111424, 17043522, 16976156, 16909321, 16843010,
};
-/* used to skip zeros at the end */
-UINT8 zigzag_end[64];
-
-UINT8 permutation[64];
-/* UINT8 invPermutation[64]; */
-
-static void build_zigzag_end(void)
-{
- int lastIndex;
- int lastIndexAfterPerm=0;
- for(lastIndex=0; lastIndex<64; lastIndex++)
- {
- if(zigzag_direct[lastIndex] > lastIndexAfterPerm)
- lastIndexAfterPerm= zigzag_direct[lastIndex];
- zigzag_end[lastIndex]= lastIndexAfterPerm + 1;
- }
-}
-
int pix_sum_c(UINT8 * pix, int line_size)
{
int s, i, j;
@@ -253,7 +210,7 @@ void put_pixels_clamped_c(const DCTELEM *block, UINT8 *restrict pixels,
{
int i;
UINT8 *cm = cropTbl + MAX_NEG_CROP;
-
+
/* read the pixels */
for(i=0;i<8;i++) {
pixels[0] = cm[block[0]];
@@ -275,7 +232,7 @@ void add_pixels_clamped_c(const DCTELEM *block, UINT8 *restrict pixels,
{
int i;
UINT8 *cm = cropTbl + MAX_NEG_CROP;
-
+
/* read the pixels */
for(i=0;i<8;i++) {
pixels[0] = cm[pixels[0] + block[0]];
@@ -458,7 +415,7 @@ void (*OPNAME ## _no_rnd_pixels_tab[2][4])(uint8_t *block, const uint8_t *pixels
};
#define op_avg(a, b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEFEFEFEFEULL)>>1) )
-#else /* 64 bit variant */
+#else // 64 bit variant
#define PIXOP2(OPNAME, OP) \
static void OPNAME ## _pixels8(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
@@ -867,6 +824,7 @@ PIXOP(uint8_t, put_no_rnd, op_put, line_size)
#define avg2(a,b) ((a+b+1)>>1)
#define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
+
static void gmc1_c(UINT8 *dst, UINT8 *src, int stride, int h, int x16, int y16, int rounder)
{
const int A=(16-x16)*(16-y16);
@@ -874,7 +832,6 @@ static void gmc1_c(UINT8 *dst, UINT8 *src, int stride, int h, int x16, int y16,
const int C=(16-x16)*( y16);
const int D=( x16)*( y16);
int i;
- rounder= 128 - rounder;
for(i=0; i<h; i++)
{
@@ -891,6 +848,64 @@ static void gmc1_c(UINT8 *dst, UINT8 *src, int stride, int h, int x16, int y16,
}
}
+static void gmc_c(UINT8 *dst, UINT8 *src, int stride, int h, int ox, int oy,
+ int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height)
+{
+ int y, vx, vy;
+ const int s= 1<<shift;
+
+ width--;
+ height--;
+
+ for(y=0; y<h; y++){
+ int x;
+
+ vx= ox;
+ vy= oy;
+ for(x=0; x<8; x++){ //XXX FIXME optimize
+ int src_x, src_y, frac_x, frac_y, index;
+
+ src_x= vx>>16;
+ src_y= vy>>16;
+ frac_x= src_x&(s-1);
+ frac_y= src_y&(s-1);
+ src_x>>=shift;
+ src_y>>=shift;
+
+ if((unsigned)src_x < width){
+ if((unsigned)src_y < height){
+ index= src_x + src_y*stride;
+ dst[y*stride + x]= ( ( src[index ]*(s-frac_x)
+ + src[index +1]* frac_x )*(s-frac_y)
+ + ( src[index+stride ]*(s-frac_x)
+ + src[index+stride+1]* frac_x )* frac_y
+ + r)>>(shift*2);
+ }else{
+ index= src_x + clip(src_y, 0, height)*stride;
+ dst[y*stride + x]= ( ( src[index ]*(s-frac_x)
+ + src[index +1]* frac_x )*s
+ + r)>>(shift*2);
+ }
+ }else{
+ if((unsigned)src_y < height){
+ index= clip(src_x, 0, width) + src_y*stride;
+ dst[y*stride + x]= ( ( src[index ]*(s-frac_y)
+ + src[index+stride ]* frac_y )*s
+ + r)>>(shift*2);
+ }else{
+ index= clip(src_x, 0, width) + clip(src_y, 0, height)*stride;
+ dst[y*stride + x]= src[index ];
+ }
+ }
+
+ vx+= dxx;
+ vy+= dyx;
+ }
+ ox += dxy;
+ oy += dyy;
+ }
+}
+
static inline void copy_block17(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int h)
{
int i;
@@ -1332,7 +1347,7 @@ qpel_mc_func OPNAME ## qpel_pixels_tab[2][16]={ \
QPEL_MC(0, put_ , _ , op_put)
QPEL_MC(1, put_no_rnd_, _no_rnd_, op_put_no_rnd)
QPEL_MC(0, avg_ , _ , op_avg)
-/* QPEL_MC(1, avg_no_rnd , _ , op_avg) */
+//QPEL_MC(1, avg_no_rnd , _ , op_avg)
#undef op_avg
#undef op_avg_no_rnd
#undef op_put
@@ -1538,67 +1553,35 @@ int pix_abs8x8_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)
return s;
}
-/* permute block according so that it corresponds to the MMX idct
- order */
-#ifdef SIMPLE_IDCT
- /* general permutation, but perhaps slightly slower */
-void block_permute(INT16 *block)
-{
- int i;
- INT16 temp[64];
-
- for(i=0; i<64; i++) temp[ block_permute_op(i) ] = block[i];
-
- for(i=0; i<64; i++) block[i] = temp[i];
-}
-#else
-
-void block_permute(INT16 *block)
+void ff_block_permute(INT16 *block, UINT8 *permutation, const UINT8 *scantable, int last)
{
- int tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;
int i;
-
- for(i=0;i<8;i++) {
- tmp1 = block[1];
- tmp2 = block[2];
- tmp3 = block[3];
- tmp4 = block[4];
- tmp5 = block[5];
- tmp6 = block[6];
- block[1] = tmp2;
- block[2] = tmp4;
- block[3] = tmp6;
- block[4] = tmp1;
- block[5] = tmp3;
- block[6] = tmp5;
- block += 8;
+ INT16 temp[64];
+
+ if(last<=0) return;
+ if(permutation[1]==1) return; //FIXME its ok but not clean and might fail for some perms
+
+ for(i=0; i<=last; i++){
+ const int j= scantable[i];
+ temp[j]= block[j];
+ block[j]=0;
+ }
+
+ for(i=0; i<=last; i++){
+ const int j= scantable[i];
+ const int perm_j= permutation[j];
+ block[perm_j]= temp[j];
}
}
-#endif
void clear_blocks_c(DCTELEM *blocks)
{
memset(blocks, 0, sizeof(DCTELEM)*6*64);
}
-/* XXX: those functions should be suppressed ASAP when all IDCTs are
- converted */
-void gen_idct_put(UINT8 *dest, int line_size, DCTELEM *block)
-{
- ff_idct (block);
- put_pixels_clamped(block, dest, line_size);
-}
-
-void gen_idct_add(UINT8 *dest, int line_size, DCTELEM *block)
-{
- ff_idct (block);
- add_pixels_clamped(block, dest, line_size);
-}
-
void dsputil_init(void)
{
- int i, j;
- int use_permuted_idct;
+ int i;
for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;
for(i=0;i<MAX_NEG_CROP;i++) {
@@ -1610,16 +1593,12 @@ void dsputil_init(void)
squareTbl[i] = (i - 256) * (i - 256);
}
-#ifdef SIMPLE_IDCT
- ff_idct = NULL;
-#else
- ff_idct = j_rev_dct;
-#endif
get_pixels = get_pixels_c;
diff_pixels = diff_pixels_c;
put_pixels_clamped = put_pixels_clamped_c;
add_pixels_clamped = add_pixels_clamped_c;
- gmc1= gmc1_c;
+ ff_gmc1= gmc1_c;
+ ff_gmc= gmc_c;
clear_blocks= clear_blocks_c;
pix_sum= pix_sum_c;
pix_norm1= pix_norm1_c;
@@ -1633,67 +1612,26 @@ void dsputil_init(void)
pix_abs8x8_y2 = pix_abs8x8_y2_c;
pix_abs8x8_xy2 = pix_abs8x8_xy2_c;
- use_permuted_idct = 1;
-
#ifdef HAVE_MMX
dsputil_init_mmx();
#endif
#ifdef ARCH_ARMV4L
dsputil_init_armv4l();
#endif
+#ifdef HAVE_MLIB
+ dsputil_init_mlib();
+#endif
#ifdef ARCH_ALPHA
dsputil_init_alpha();
- use_permuted_idct = 0;
#endif
#ifdef ARCH_POWERPC
dsputil_init_ppc();
#endif
-#if defined(HAVE_MLIB) && !defined(HAVE_MMX)
- dsputil_init_mlib();
- use_permuted_idct = 0;
+#ifdef HAVE_MMI
+ dsputil_init_mmi();
#endif
-#ifdef SIMPLE_IDCT
- if (ff_idct == NULL) {
- ff_idct_put = simple_idct_put;
- ff_idct_add = simple_idct_add;
- use_permuted_idct=0;
- }
-#endif
- if(ff_idct != NULL) {
- ff_idct_put = gen_idct_put;
- ff_idct_add = gen_idct_add;
- }
-
- if(use_permuted_idct)
-#ifdef SIMPLE_IDCT
- for(i=0; i<64; i++) permutation[i]= simple_mmx_permutation[i];
-#else
- for(i=0; i<64; i++) permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
-#endif
- else
- for(i=0; i<64; i++) permutation[i]=i;
-
- for(i=0; i<64; i++) inv_zigzag_direct16[zigzag_direct[i]]= i+1;
- for(i=0; i<64; i++) zigzag_direct_noperm[i]= zigzag_direct[i];
-
- if (use_permuted_idct) {
- /* permute for IDCT */
- for(i=0;i<64;i++) {
- j = zigzag_direct[i];
- zigzag_direct[i] = block_permute_op(j);
- j = ff_alternate_horizontal_scan[i];
- ff_alternate_horizontal_scan[i] = block_permute_op(j);
- j = ff_alternate_vertical_scan[i];
- ff_alternate_vertical_scan[i] = block_permute_op(j);
- }
- block_permute(ff_mpeg1_default_intra_matrix);
- block_permute(ff_mpeg1_default_non_intra_matrix);
- block_permute(ff_mpeg4_default_intra_matrix);
- block_permute(ff_mpeg4_default_non_intra_matrix);
- }
-
- build_zigzag_end();
+ for(i=0; i<64; i++) inv_zigzag_direct16[ff_zigzag_direct[i]]= i+1;
}
/* remove any non bit exact operation (testing purpose) */
@@ -1712,14 +1650,14 @@ void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
int quad, diff, x, y;
UINT8 *orig, *coded;
UINT32 *sq = squareTbl + 256;
-
+
quad = 0;
diff = 0;
-
+
/* Luminance */
orig = orig_image[0];
coded = coded_image[0];
-
+
for (y=0;y<avctx->height;y++) {
for (x=0;x<avctx->width;x++) {
diff = *(orig + x) - *(coded + x);
@@ -1728,12 +1666,12 @@ void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
orig += orig_linesize[0];
coded += coded_linesize;
}
-
+
avctx->psnr_y = (float) quad / (float) (avctx->width * avctx->height);
-
+
if (avctx->psnr_y) {
avctx->psnr_y = (float) (255 * 255) / avctx->psnr_y;
- avctx->psnr_y = 10 * (float) log10 (avctx->psnr_y);
+ avctx->psnr_y = 10 * (float) log10 (avctx->psnr_y);
} else
avctx->psnr_y = 99.99;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 00:12:43 +0000