42 a7 =
W7 *
b[1] -
W1 *
b[7];
46 a6 =
W6 *
b[2] -
W2 *
b[6];
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;
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++) {
123 for (
i = 0;
i < 64;
i += 8)
125 for (
i = 0;
i < 8;
i++)
128 for (
i = 0;
i < 8;
i++) {
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];
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];
Macro definitions for various function/variable attributes.
Libavcodec external API header.
common internal and external API header
static uint8_t half(int a, int b)
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)
void ff_put_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void put_mspel8_mc30_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void wmv2_idct_col(short *b)
static void wmv2_mspel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
static void put_mspel8_mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
av_cold void ff_wmv2dsp_init(WMV2DSPContext *c)
static void put_mspel8_mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void put_mspel8_mc32_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void wmv2_idct_add_c(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
static void put_mspel8_mc22_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)
static void wmv2_mspel8_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int w)
static void wmv2_idct_put_c(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
static void put_mspel8_mc02_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void wmv2_idct_row(short *b)
av_cold void ff_wmv2dsp_init_mips(WMV2DSPContext *c)