41 a1 =
W1 * b[1] +
W7 * b[7];
42 a7 =
W7 * b[1] -
W1 * b[7];
43 a5 =
W5 * b[5] +
W3 * b[3];
44 a3 =
W3 * b[5] -
W5 * b[3];
45 a2 =
W2 * b[2] +
W6 * b[6];
46 a6 =
W6 * b[2] -
W2 * b[6];
47 a0 =
W0 * b[0] +
W0 * b[4];
48 a4 =
W0 * b[0] -
W0 * b[4];
51 s1 = (181 * (a1 - a5 + a7 -
a3) + 128) >> 8;
52 s2 = (181 * (a1 - a5 - a7 +
a3) + 128) >> 8;
55 b[0] = (a0 + a2 + a1 + a5 + (1 << 7)) >> 8;
56 b[1] = (a4 + a6 + s1 + (1 << 7)) >> 8;
57 b[2] = (a4 - a6 + s2 + (1 << 7)) >> 8;
58 b[3] = (a0 - a2 + a7 + a3 + (1 << 7)) >> 8;
59 b[4] = (a0 - a2 - a7 - a3 + (1 << 7)) >> 8;
60 b[5] = (a4 - a6 - s2 + (1 << 7)) >> 8;
61 b[6] = (a4 + a6 - s1 + (1 << 7)) >> 8;
62 b[7] = (a0 + a2 - a1 - a5 + (1 << 7)) >> 8;
71 a1 = (
W1 * b[8 * 1] +
W7 * b[8 * 7] + 4) >> 3;
72 a7 = (
W7 * b[8 * 1] -
W1 * b[8 * 7] + 4) >> 3;
73 a5 = (
W5 * b[8 * 5] +
W3 * b[8 * 3] + 4) >> 3;
74 a3 = (
W3 * b[8 * 5] -
W5 * b[8 * 3] + 4) >> 3;
75 a2 = (
W2 * b[8 * 2] +
W6 * b[8 * 6] + 4) >> 3;
76 a6 = (
W6 * b[8 * 2] -
W2 * b[8 * 6] + 4) >> 3;
77 a0 = (
W0 * b[8 * 0] +
W0 * b[8 * 4] ) >> 3;
78 a4 = (
W0 * b[8 * 0] -
W0 * b[8 * 4] ) >> 3;
81 s1 = (181 * (a1 - a5 + a7 -
a3) + 128) >> 8;
82 s2 = (181 * (a1 - a5 - a7 +
a3) + 128) >> 8;
85 b[8 * 0] = (a0 + a2 + a1 + a5 + (1 << 13)) >> 14;
86 b[8 * 1] = (a4 + a6 + s1 + (1 << 13)) >> 14;
87 b[8 * 2] = (a4 - a6 + s2 + (1 << 13)) >> 14;
88 b[8 * 3] = (a0 - a2 + a7 + a3 + (1 << 13)) >> 14;
90 b[8 * 4] = (a0 - a2 - a7 - a3 + (1 << 13)) >> 14;
91 b[8 * 5] = (a4 - a6 - s2 + (1 << 13)) >> 14;
92 b[8 * 6] = (a4 + a6 - s1 + (1 << 13)) >> 14;
93 b[8 * 7] = (a0 + a2 - a1 - a5 + (1 << 13)) >> 14;
100 for (i = 0; i < 64; i += 8)
102 for (i = 0; i < 8; i++)
105 for (i = 0; i < 8; i++) {
106 dest[0] = av_clip_uint8(dest[0] + block[0]);
107 dest[1] = av_clip_uint8(dest[1] + block[1]);
108 dest[2] = av_clip_uint8(dest[2] + block[2]);
109 dest[3] = av_clip_uint8(dest[3] + block[3]);
110 dest[4] = av_clip_uint8(dest[4] + block[4]);
111 dest[5] = av_clip_uint8(dest[5] + block[5]);
112 dest[6] = av_clip_uint8(dest[6] + block[6]);
113 dest[7] = av_clip_uint8(dest[7] + block[7]);
123 for (i = 0; i < 64; i += 8)
125 for (i = 0; i < 8; i++)
128 for (i = 0; i < 8; i++) {
129 dest[0] = av_clip_uint8(block[0]);
130 dest[1] = av_clip_uint8(block[1]);
131 dest[2] = av_clip_uint8(block[2]);
132 dest[3] = av_clip_uint8(block[3]);
133 dest[4] = av_clip_uint8(block[4]);
134 dest[5] = av_clip_uint8(block[5]);
135 dest[6] = av_clip_uint8(block[6]);
136 dest[7] = av_clip_uint8(block[7]);
143 int dstStride,
int srcStride,
int h)
148 for (i = 0; i <
h; i++) {
149 dst[0] = cm[(9 * (src[0] + src[1]) - (src[-1] + src[2]) + 8) >> 4];
150 dst[1] = cm[(9 * (src[1] + src[2]) - (src[0] + src[3]) + 8) >> 4];
151 dst[2] = cm[(9 * (src[2] + src[3]) - (src[1] + src[4]) + 8) >> 4];
152 dst[3] = cm[(9 * (src[3] + src[4]) - (src[2] + src[5]) + 8) >> 4];
153 dst[4] = cm[(9 * (src[4] + src[5]) - (src[3] + src[6]) + 8) >> 4];
154 dst[5] = cm[(9 * (src[5] + src[6]) - (src[4] + src[7]) + 8) >> 4];
155 dst[6] = cm[(9 * (src[6] + src[7]) - (src[5] + src[8]) + 8) >> 4];
156 dst[7] = cm[(9 * (src[7] + src[8]) - (src[6] + src[9]) + 8) >> 4];
163 int dstStride,
int srcStride,
int w)
168 for (i = 0; i < w; i++) {
169 const int src_1 = src[-srcStride];
170 const int src0 = src[0];
171 const int src1 = src[srcStride];
172 const int src2 = src[2 * srcStride];
173 const int src3 = src[3 * srcStride];
174 const int src4 = src[4 * srcStride];
175 const int src5 = src[5 * srcStride];
176 const int src6 = src[6 * srcStride];
177 const int src7 = src[7 * srcStride];
178 const int src8 = src[8 * srcStride];
179 const int src9 = src[9 * srcStride];
180 dst[0 * dstStride] = cm[(9 * (src0 + src1) - (src_1 + src2) + 8) >> 4];
181 dst[1 * dstStride] = cm[(9 * (src1 + src2) - (src0 + src3) + 8) >> 4];
182 dst[2 * dstStride] = cm[(9 * (src2 + src3) - (src1 + src4) + 8) >> 4];
183 dst[3 * dstStride] = cm[(9 * (src3 + src4) - (src2 + src5) + 8) >> 4];
184 dst[4 * dstStride] = cm[(9 * (src4 + src5) - (src3 + src6) + 8) >> 4];
185 dst[5 * dstStride] = cm[(9 * (src5 + src6) - (src4 + src7) + 8) >> 4];
186 dst[6 * dstStride] = cm[(9 * (src6 + src7) - (src5 + src8) + 8) >> 4];
187 dst[7 * dstStride] = cm[(9 * (src7 + src8) - (src6 + src9) + 8) >> 4];
void ff_put_pixels8_l2_8(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h)
Macro definitions for various function/variable attributes.
static void put_mspel8_mc22_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void wmv2_idct_col(short *b)
static void put_mspel8_mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
void(* idct_put)(uint8_t *dest, int line_size, int16_t *block)
static void wmv2_mspel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
static void put_mspel8_mc02_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void wmv2_idct_put_c(uint8_t *dest, int line_size, int16_t *block)
void ff_put_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
av_cold void ff_wmv2dsp_init(WMV2DSPContext *c)
Libavcodec external API header.
static void put_mspel8_mc32_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
qpel_mc_func put_mspel_pixels_tab[8]
static void put_mspel8_mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void put_mspel8_mc20_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
void(* idct_add)(uint8_t *dest, int line_size, int16_t *block)
static void wmv2_idct_add_c(uint8_t *dest, int line_size, int16_t *block)
GLint GLenum GLboolean GLsizei stride
static void put_mspel8_mc30_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
common internal and external API header
static void wmv2_mspel8_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int w)
static void wmv2_idct_row(short *b)