Commit 27a739b6 authored by Angie Chiang's avatar Angie Chiang

Add fadst8

Change-Id: Ida4f292b824a29b4ffac8cad6e4042867f427979
parent 1ef285bf
......@@ -763,3 +763,118 @@ void vp10_fadst4_new(const int32_t *input, int32_t *output,
bf1[3] = -bf0[1];
range_check(stage, input, bf1, size, stage_range[stage]);
}
void vp10_fadst8_new(const int32_t *input, int32_t *output,
const int8_t *cos_bit, const int8_t *stage_range) {
const int32_t size = 8;
const int32_t *cospi;
int32_t stage = 0;
int32_t *bf0, *bf1;
int32_t step[8];
// stage 0;
range_check(stage, input, input, size, stage_range[stage]);
// stage 1;
stage++;
bf1 = output;
bf1[0] = input[7];
bf1[1] = input[0];
bf1[2] = input[5];
bf1[3] = input[2];
bf1[4] = input[3];
bf1[5] = input[4];
bf1[6] = input[1];
bf1[7] = input[6];
range_check(stage, input, bf1, size, stage_range[stage]);
// stage 2
stage++;
cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
bf0 = output;
bf1 = step;
bf1[0] = half_btf(cospi[4], bf0[0], cospi[60], bf0[1], cos_bit[stage]);
bf1[1] = half_btf(-cospi[4], bf0[1], cospi[60], bf0[0], cos_bit[stage]);
bf1[2] = half_btf(cospi[20], bf0[2], cospi[44], bf0[3], cos_bit[stage]);
bf1[3] = half_btf(-cospi[20], bf0[3], cospi[44], bf0[2], cos_bit[stage]);
bf1[4] = half_btf(cospi[36], bf0[4], cospi[28], bf0[5], cos_bit[stage]);
bf1[5] = half_btf(-cospi[36], bf0[5], cospi[28], bf0[4], cos_bit[stage]);
bf1[6] = half_btf(cospi[52], bf0[6], cospi[12], bf0[7], cos_bit[stage]);
bf1[7] = half_btf(-cospi[52], bf0[7], cospi[12], bf0[6], cos_bit[stage]);
range_check(stage, input, bf1, size, stage_range[stage]);
// stage 3
stage++;
cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
bf0 = step;
bf1 = output;
bf1[0] = bf0[0] + bf0[4];
bf1[1] = bf0[1] + bf0[5];
bf1[2] = bf0[2] + bf0[6];
bf1[3] = bf0[3] + bf0[7];
bf1[4] = -bf0[4] + bf0[0];
bf1[5] = -bf0[5] + bf0[1];
bf1[6] = -bf0[6] + bf0[2];
bf1[7] = -bf0[7] + bf0[3];
range_check(stage, input, bf1, size, stage_range[stage]);
// stage 4
stage++;
cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
bf0 = output;
bf1 = step;
bf1[0] = bf0[0];
bf1[1] = bf0[1];
bf1[2] = bf0[2];
bf1[3] = bf0[3];
bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit[stage]);
bf1[5] = half_btf(-cospi[16], bf0[5], cospi[48], bf0[4], cos_bit[stage]);
bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit[stage]);
bf1[7] = half_btf(cospi[48], bf0[7], cospi[16], bf0[6], cos_bit[stage]);
range_check(stage, input, bf1, size, stage_range[stage]);
// stage 5
stage++;
cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
bf0 = step;
bf1 = output;
bf1[0] = bf0[0] + bf0[2];
bf1[1] = bf0[1] + bf0[3];
bf1[2] = -bf0[2] + bf0[0];
bf1[3] = -bf0[3] + bf0[1];
bf1[4] = bf0[4] + bf0[6];
bf1[5] = bf0[5] + bf0[7];
bf1[6] = -bf0[6] + bf0[4];
bf1[7] = -bf0[7] + bf0[5];
range_check(stage, input, bf1, size, stage_range[stage]);
// stage 6
stage++;
cospi = cospi_arr[cos_bit[stage] - cos_bit_min];
bf0 = output;
bf1 = step;
bf1[0] = bf0[0];
bf1[1] = bf0[1];
bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit[stage]);
bf1[3] = half_btf(-cospi[32], bf0[3], cospi[32], bf0[2], cos_bit[stage]);
bf1[4] = bf0[4];
bf1[5] = bf0[5];
bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit[stage]);
bf1[7] = half_btf(-cospi[32], bf0[7], cospi[32], bf0[6], cos_bit[stage]);
range_check(stage, input, bf1, size, stage_range[stage]);
// stage 7
stage++;
bf0 = step;
bf1 = output;
bf1[0] = bf0[0];
bf1[1] = -bf0[4];
bf1[2] = bf0[6];
bf1[3] = -bf0[2];
bf1[4] = bf0[3];
bf1[5] = -bf0[7];
bf1[6] = bf0[5];
bf1[7] = -bf0[1];
range_check(stage, input, bf1, size, stage_range[stage]);
}
......@@ -28,6 +28,8 @@ void vp10_fdct32_new(const int32_t *input, int32_t *output,
void vp10_fadst4_new(const int32_t *input, int32_t *output,
const int8_t *cos_bit, const int8_t *stage_range);
void vp10_fadst8_new(const int32_t *input, int32_t *output,
const int8_t *cos_bit, const int8_t *stage_range);
#ifdef __cplusplus
}
......
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