36 #define MUL(X,Y) ((int)((unsigned)(X) * (Y)) >> 11)
38 #define IDCT_TRANSFORM(dest,s0,s1,s2,s3,s4,s5,s6,s7,d0,d1,d2,d3,d4,d5,d6,d7,munge,src) {\
39 const int a0 = (src)[s0] + (src)[s4]; \
40 const int a1 = (src)[s0] - (src)[s4]; \
41 const int a2 = (src)[s2] + (src)[s6]; \
42 const int a3 = MUL(A1, (src)[s2] - (src)[s6]); \
43 const int a4 = (src)[s5] + (src)[s3]; \
44 const int a5 = (src)[s5] - (src)[s3]; \
45 const int a6 = (src)[s1] + (src)[s7]; \
46 const int a7 = (src)[s1] - (src)[s7]; \
47 const int b0 = a4 + a6; \
48 const int b1 = MUL(A3, a5 + a7); \
49 const int b2 = MUL(A4, a5) - b0 + b1; \
50 const int b3 = MUL(A1, a6 - a4) - b2; \
51 const int b4 = MUL(A2, a7) + b3 - b1; \
52 (dest)[d0] = munge(a0+a2 +b0); \
53 (dest)[d1] = munge(a1+a3-a2+b2); \
54 (dest)[d2] = munge(a1-a3+a2+b3); \
55 (dest)[d3] = munge(a0-a2 -b4); \
56 (dest)[d4] = munge(a0-a2 +b4); \
57 (dest)[d5] = munge(a1-a3+a2-b3); \
58 (dest)[d6] = munge(a1+a3-a2-b2); \
59 (dest)[d7] = munge(a0+a2 -b0); \
63 #define MUNGE_NONE(x) (x)
64 #define IDCT_COL(dest,src) IDCT_TRANSFORM(dest,0,8,16,24,32,40,48,56,0,8,16,24,32,40,48,56,MUNGE_NONE,src)
66 #define MUNGE_ROW(x) (((x) + 0x7F)>>8)
67 #define IDCT_ROW(dest,src) IDCT_TRANSFORM(dest,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,MUNGE_ROW,src)
71 if ((src[8]|src[16]|src[24]|src[32]|src[40]|src[48]|src[56])==0) {
90 for (i = 0; i < 8; i++)
92 for (i = 0; i < 8; i++) {
93 IDCT_ROW( (&block[8*i]), (&temp[8*i]) );
102 for (i = 0; i < 8; i++, dest += linesize, block += 8)
103 for (j = 0; j < 8; j++)
111 for (i = 0; i < 8; i++)
113 for (i = 0; i < 8; i++) {
114 IDCT_ROW( (&dest[i*linesize]), (&temp[8*i]) );
121 uint16_t *dst1 = (uint16_t *) dst;
122 uint16_t *dst2 = (uint16_t *)(dst + linesize);
124 for (j = 0; j < 8; j++) {
125 for (i = 0; i < 8; i++) {
126 dst1[i] = dst2[i] = src[i] * 0x0101;
139 for (i = 0; i < 8; i++) {
140 pixels[0] += block[0];
141 pixels[1] += block[1];
142 pixels[2] += block[2];
143 pixels[3] += block[3];
144 pixels[4] += block[4];
145 pixels[5] += block[5];
146 pixels[6] += block[6];
147 pixels[7] += block[7];
av_cold void ff_binkdsp_init(BinkDSPContext *c)
static void bink_idct_add_c(uint8_t *dest, int linesize, int32_t *block)
void(* scale_block)(const uint8_t src[64], uint8_t *dst, int linesize)
static void scale_block_c(const uint8_t src[64], uint8_t *dst, int linesize)
void(* add_pixels8)(uint8_t *pixels, int16_t *block, int line_size)
Macro definitions for various function/variable attributes.
static void bink_idct_put_c(uint8_t *dest, int linesize, int32_t *block)
#define IDCT_COL(dest, src)
static void bink_idct_col(int *dest, const int32_t *src)
static void bink_idct_c(int32_t *block)
static void add_pixels8_c(uint8_t *av_restrict pixels, int16_t *block, int line_size)
void(* idct_add)(uint8_t *dest, int line_size, int32_t *block)
void(* idct_put)(uint8_t *dest, int line_size, int32_t *block)
#define IDCT_ROW(dest, src)