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fd4a2c9b02
FFmpeg/libavcodec/loongarch/hevc_idct_lsx.c
yuanhecai a87a52ed0b
avcodec/hevc: Add ff_hevc_idct_32x32_lasx asm opt 
tests/checkasm/checkasm:

                          C          LSX       LASX
hevc_idct_32x32_8_c:      1243.0     211.7     101.7

Speedup of decoding H265 4K 30FPS 30Mbps on
3A6000 with 8 threads is 1fps(56fps-->57fps).

Reviewed-by: yinshiyou-hf@loongson.cn
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-01-12 23:35:40 +01:00

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42 KiB
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/*
* Copyright (c) 2022 Loongson Technology Corporation Limited
* Contributed by Shiyou Yin <yinshiyou-hf@loongson.cn>
* Hao Chen <chenhao@loongson.cn>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/loongarch/loongson_intrinsics.h"
#include "hevcdsp_lsx.h"
const int16_t gt8x8_cnst[16] __attribute__ ((aligned (64))) = {
64, 64, 83, 36, 89, 50, 18, 75, 64, -64, 36, -83, 75, -89, -50, -18
};
const int16_t gt16x16_cnst[64] __attribute__ ((aligned (64))) = {
64, 83, 64, 36, 89, 75, 50, 18, 90, 80, 57, 25, 70, 87, 9, 43,
64, 36, -64, -83, 75, -18, -89, -50, 87, 9, -80, -70, -43, 57, -25, -90,
64, -36, -64, 83, 50, -89, 18, 75, 80, -70, -25, 90, -87, 9, 43, 57,
64, -83, 64, -36, 18, -50, 75, -89, 70, -87, 90, -80, 9, -43, -57, 25
};
const int16_t gt32x32_cnst0[256] __attribute__ ((aligned (64))) = {
90, 90, 88, 85, 82, 78, 73, 67, 61, 54, 46, 38, 31, 22, 13, 4,
90, 82, 67, 46, 22, -4, -31, -54, -73, -85, -90, -88, -78, -61, -38, -13,
88, 67, 31, -13, -54, -82, -90, -78, -46, -4, 38, 73, 90, 85, 61, 22,
85, 46, -13, -67, -90, -73, -22, 38, 82, 88, 54, -4, -61, -90, -78, -31,
82, 22, -54, -90, -61, 13, 78, 85, 31, -46, -90, -67, 4, 73, 88, 38,
78, -4, -82, -73, 13, 85, 67, -22, -88, -61, 31, 90, 54, -38, -90, -46,
73, -31, -90, -22, 78, 67, -38, -90, -13, 82, 61, -46, -88, -4, 85, 54,
67, -54, -78, 38, 85, -22, -90, 4, 90, 13, -88, -31, 82, 46, -73, -61,
61, -73, -46, 82, 31, -88, -13, 90, -4, -90, 22, 85, -38, -78, 54, 67,
54, -85, -4, 88, -46, -61, 82, 13, -90, 38, 67, -78, -22, 90, -31, -73,
46, -90, 38, 54, -90, 31, 61, -88, 22, 67, -85, 13, 73, -82, 4, 78,
38, -88, 73, -4, -67, 90, -46, -31, 85, -78, 13, 61, -90, 54, 22, -82,
31, -78, 90, -61, 4, 54, -88, 82, -38, -22, 73, -90, 67, -13, -46, 85,
22, -61, 85, -90, 73, -38, -4, 46, -78, 90, -82, 54, -13, -31, 67, -88,
13, -38, 61, -78, 88, -90, 85, -73, 54, -31, 4, 22, -46, 67, -82, 90,
4, -13, 22, -31, 38, -46, 54, -61, 67, -73, 78, -82, 85, -88, 90, -90
};
const int16_t gt32x32_cnst1[64] __attribute__ ((aligned (64))) = {
90, 87, 80, 70, 57, 43, 25, 9, 87, 57, 9, -43, -80, -90, -70, -25,
80, 9, -70, -87, -25, 57, 90, 43, 70, -43, -87, 9, 90, 25, -80, -57,
57, -80, -25, 90, -9, -87, 43, 70, 43, -90, 57, 25, -87, 70, 9, -80,
25, -70, 90, -80, 43, 9, -57, 87, 9, -25, 43, -57, 70, -80, 87, -90
};
const int16_t gt32x32_cnst2[16] __attribute__ ((aligned (64))) = {
89, 75, 50, 18, 75, -18, -89, -50, 50, -89, 18, 75, 18, -50, 75, -89
};
#define HEVC_IDCT4x4_COL(in_r0, in_l0, in_r1, in_l1, \
sum0, sum1, sum2, sum3, shift) \
{ \
__m128i vec0, vec1, vec2, vec3, vec4, vec5; \
__m128i cnst64 = __lsx_vldi(0x0840); \
__m128i cnst83 = __lsx_vldi(0x0853); \
__m128i cnst36 = __lsx_vldi(0x0824); \
\
vec0 = __lsx_vdp2_w_h(in_r0, cnst64); \
vec1 = __lsx_vdp2_w_h(in_l0, cnst83); \
vec2 = __lsx_vdp2_w_h(in_r1, cnst64); \
vec3 = __lsx_vdp2_w_h(in_l1, cnst36); \
vec4 = __lsx_vdp2_w_h(in_l0, cnst36); \
vec5 = __lsx_vdp2_w_h(in_l1, cnst83); \
\
sum0 = __lsx_vadd_w(vec0, vec2); \
sum1 = __lsx_vsub_w(vec0, vec2); \
vec1 = __lsx_vadd_w(vec1, vec3); \
vec4 = __lsx_vsub_w(vec4, vec5); \
sum2 = __lsx_vsub_w(sum1, vec4); \
sum3 = __lsx_vsub_w(sum0, vec1); \
sum0 = __lsx_vadd_w(sum0, vec1); \
sum1 = __lsx_vadd_w(sum1, vec4); \
\
sum0 = __lsx_vsrari_w(sum0, shift); \
sum1 = __lsx_vsrari_w(sum1, shift); \
sum2 = __lsx_vsrari_w(sum2, shift); \
sum3 = __lsx_vsrari_w(sum3, shift); \
sum0 = __lsx_vsat_w(sum0, 15); \
sum1 = __lsx_vsat_w(sum1, 15); \
sum2 = __lsx_vsat_w(sum2, 15); \
sum3 = __lsx_vsat_w(sum3, 15); \
}
#define HEVC_IDCT8x8_COL(in0, in1, in2, in3, in4, in5, in6, in7, shift) \
{ \
__m128i src0_r, src1_r, src2_r, src3_r; \
__m128i src0_l, src1_l, src2_l, src3_l; \
__m128i filter0, filter1, filter2, filter3; \
__m128i temp0_r, temp1_r, temp2_r, temp3_r, temp4_r, temp5_r; \
__m128i temp0_l, temp1_l, temp2_l, temp3_l, temp4_l, temp5_l; \
__m128i sum0_r, sum1_r, sum2_r, sum3_r; \
__m128i sum0_l, sum1_l, sum2_l, sum3_l; \
\
DUP4_ARG2(__lsx_vilvl_h, in4, in0, in6, in2, in5, in1, in3, in7, \
src0_r, src1_r, src2_r, src3_r); \
DUP4_ARG2(__lsx_vilvh_h, in4, in0, in6, in2, in5, in1, in3, in7, \
src0_l, src1_l, src2_l, src3_l); \
\
DUP4_ARG2(__lsx_vldrepl_w, filter, 0, filter, 4, filter, 8, \
filter, 12, filter0, filter1, filter2, filter3); \
DUP4_ARG2(__lsx_vdp2_w_h, src0_r, filter0, src0_l, filter0, \
src1_r, filter1, src1_l, filter1, temp0_r, temp0_l, \
temp1_r, temp1_l); \
\
LSX_BUTTERFLY_4_W(temp0_r, temp0_l, temp1_l, temp1_r, sum0_r, sum0_l,\
sum1_l, sum1_r); \
sum2_r = sum1_r; \
sum2_l = sum1_l; \
sum3_r = sum0_r; \
sum3_l = sum0_l; \
\
DUP4_ARG2(__lsx_vdp2_w_h, src2_r, filter2, src2_l, filter2, \
src3_r, filter3, src3_l, filter3, temp2_r, temp2_l, \
temp3_r, temp3_l); \
temp2_r = __lsx_vadd_w(temp2_r, temp3_r); \
temp2_l = __lsx_vadd_w(temp2_l, temp3_l); \
sum0_r = __lsx_vadd_w(sum0_r, temp2_r); \
sum0_l = __lsx_vadd_w(sum0_l, temp2_l); \
sum3_r = __lsx_vsub_w(sum3_r, temp2_r); \
sum3_l = __lsx_vsub_w(sum3_l, temp2_l); \
\
in0 = __lsx_vssrarni_h_w(sum0_l, sum0_r, shift); \
in7 = __lsx_vssrarni_h_w(sum3_l, sum3_r, shift); \
\
DUP4_ARG2(__lsx_vdp2_w_h, src2_r, filter3, src2_l, filter3, \
src3_r, filter2, src3_l, filter2, temp4_r, temp4_l, \
temp5_r, temp5_l); \
temp4_r = __lsx_vsub_w(temp4_r, temp5_r); \
temp4_l = __lsx_vsub_w(temp4_l, temp5_l); \
sum1_r = __lsx_vadd_w(sum1_r, temp4_r); \
sum1_l = __lsx_vadd_w(sum1_l, temp4_l); \
sum2_r = __lsx_vsub_w(sum2_r, temp4_r); \
sum2_l = __lsx_vsub_w(sum2_l, temp4_l); \
\
in3 = __lsx_vssrarni_h_w(sum1_l, sum1_r, shift); \
in4 = __lsx_vssrarni_h_w(sum2_l, sum2_r, shift); \
\
DUP4_ARG2(__lsx_vldrepl_w, filter, 16, filter, 20, filter, 24, \
filter, 28, filter0, filter1, filter2, filter3); \
DUP4_ARG2(__lsx_vdp2_w_h, src0_r, filter0, src0_l, filter0, \
src1_r, filter1, src1_l, filter1, temp0_r, temp0_l, \
temp1_r, temp1_l); \
\
LSX_BUTTERFLY_4_W(temp0_r, temp0_l, temp1_l, temp1_r, sum0_r, sum0_l,\
sum1_l, sum1_r); \
sum2_r = sum1_r; \
sum2_l = sum1_l; \
sum3_r = sum0_r; \
sum3_l = sum0_l; \
\
DUP4_ARG2(__lsx_vdp2_w_h, src2_r, filter2, src2_l, filter2, \
src3_r, filter3, src3_l, filter3, temp2_r, temp2_l, \
temp3_r, temp3_l); \
temp2_r = __lsx_vadd_w(temp2_r, temp3_r); \
temp2_l = __lsx_vadd_w(temp2_l, temp3_l); \
sum0_r = __lsx_vadd_w(sum0_r, temp2_r); \
sum0_l = __lsx_vadd_w(sum0_l, temp2_l); \
sum3_r = __lsx_vsub_w(sum3_r, temp2_r); \
sum3_l = __lsx_vsub_w(sum3_l, temp2_l); \
\
in1 = __lsx_vssrarni_h_w(sum0_l, sum0_r, shift); \
in6 = __lsx_vssrarni_h_w(sum3_l, sum3_r, shift); \
\
DUP4_ARG2(__lsx_vdp2_w_h, src2_r, filter3, src2_l, filter3, \
src3_r, filter2, src3_l, filter2, temp4_r, temp4_l, \
temp5_r, temp5_l); \
temp4_r = __lsx_vsub_w(temp4_r, temp5_r); \
temp4_l = __lsx_vsub_w(temp4_l, temp5_l); \
sum1_r = __lsx_vsub_w(sum1_r, temp4_r); \
sum1_l = __lsx_vsub_w(sum1_l, temp4_l); \
sum2_r = __lsx_vadd_w(sum2_r, temp4_r); \
sum2_l = __lsx_vadd_w(sum2_l, temp4_l); \
\
in2 = __lsx_vssrarni_h_w(sum1_l, sum1_r, shift); \
in5 = __lsx_vssrarni_h_w(sum2_l, sum2_r, shift); \
}
#define HEVC_IDCT16x16_COL(src0_r, src1_r, src2_r, src3_r, \
src4_r, src5_r, src6_r, src7_r, \
src0_l, src1_l, src2_l, src3_l, \
src4_l, src5_l, src6_l, src7_l, shift) \
{ \
int16_t *ptr0, *ptr1; \
__m128i dst0, dst1; \
__m128i filter0, filter1, filter2, filter3; \
__m128i temp0_r, temp1_r, temp0_l, temp1_l; \
__m128i sum0_r, sum1_r, sum2_r, sum3_r, sum0_l, sum1_l, sum2_l; \
__m128i sum3_l, res0_r, res1_r, res0_l, res1_l; \
\
ptr0 = (buf_ptr + 112); \
ptr1 = (buf_ptr + 128); \
k = -1; \
\
for (j = 0; j < 4; j++) \
{ \
DUP4_ARG2(__lsx_vldrepl_w, filter, 0, filter, 4, filter, 16, \
filter, 20, filter0, filter1, filter2, filter3); \
DUP4_ARG2(__lsx_vdp2_w_h, src0_r, filter0, src0_l, filter0, \
src4_r, filter2, src4_l, filter2, sum0_r, sum0_l, \
sum2_r, sum2_l); \
DUP2_ARG2(__lsx_vdp2_w_h, src7_r, filter2, src7_l, filter2, \
sum3_r, sum3_l); \
DUP4_ARG3(__lsx_vdp2add_w_h, sum0_r, src1_r, filter1, sum0_l, \
src1_l, filter1, sum2_r, src5_r, filter3, sum2_l, \
src5_l, filter3, sum0_r, sum0_l, sum2_r, sum2_l); \
DUP2_ARG3(__lsx_vdp2add_w_h, sum3_r, src6_r, filter3, sum3_l, \
src6_l, filter3, sum3_r, sum3_l); \
\
sum1_r = sum0_r; \
sum1_l = sum0_l; \
\
DUP4_ARG2(__lsx_vldrepl_w, filter, 8, filter, 12, filter, 24, \
filter, 28, filter0, filter1, filter2, filter3); \
filter += 16; \
DUP2_ARG2(__lsx_vdp2_w_h, src2_r, filter0, src2_l, filter0, \
temp0_r, temp0_l); \
DUP2_ARG3(__lsx_vdp2add_w_h, sum2_r, src6_r, filter2, sum2_l, \
src6_l, filter2, sum2_r, sum2_l); \
DUP2_ARG2(__lsx_vdp2_w_h, src5_r, filter2, src5_l, filter2, \
temp1_r, temp1_l); \
\
sum0_r = __lsx_vadd_w(sum0_r, temp0_r); \
sum0_l = __lsx_vadd_w(sum0_l, temp0_l); \
sum1_r = __lsx_vsub_w(sum1_r, temp0_r); \
sum1_l = __lsx_vsub_w(sum1_l, temp0_l); \
sum3_r = __lsx_vsub_w(temp1_r, sum3_r); \
sum3_l = __lsx_vsub_w(temp1_l, sum3_l); \
\
DUP2_ARG2(__lsx_vdp2_w_h, src3_r, filter1, src3_l, filter1, \
temp0_r, temp0_l); \
DUP4_ARG3(__lsx_vdp2add_w_h, sum2_r, src7_r, filter3, sum2_l, \
src7_l, filter3, sum3_r, src4_r, filter3, sum3_l, \
src4_l, filter3, sum2_r, sum2_l, sum3_r, sum3_l); \
\
sum0_r = __lsx_vadd_w(sum0_r, temp0_r); \
sum0_l = __lsx_vadd_w(sum0_l, temp0_l); \
sum1_r = __lsx_vsub_w(sum1_r, temp0_r); \
sum1_l = __lsx_vsub_w(sum1_l, temp0_l); \
\
LSX_BUTTERFLY_4_W(sum0_r, sum0_l, sum2_l, sum2_r, res0_r, res0_l, \
res1_l, res1_r); \
dst0 = __lsx_vssrarni_h_w(res0_l, res0_r, shift); \
dst1 = __lsx_vssrarni_h_w(res1_l, res1_r, shift); \
__lsx_vst(dst0, buf_ptr, 0); \
__lsx_vst(dst1, (buf_ptr + ((15 - (j * 2)) << 4)), 0); \
\
LSX_BUTTERFLY_4_W(sum1_r, sum1_l, sum3_l, sum3_r, res0_r, res0_l, \
res1_l, res1_r); \
\
dst0 = __lsx_vssrarni_h_w(res0_l, res0_r, shift); \
dst1 = __lsx_vssrarni_h_w(res1_l, res1_r, shift); \
__lsx_vst(dst0, (ptr0 + ((((j + 1) >> 1) * 2 * k) << 4)), 0); \
__lsx_vst(dst1, (ptr1 - ((((j + 1) >> 1) * 2 * k) << 4)), 0); \
\
k *= -1; \
buf_ptr += 16; \
} \
}
#define HEVC_EVEN16_CALC(input, sum0_r, sum0_l, load_idx, store_idx) \
{ \
tmp0_r = __lsx_vld(input + load_idx * 8, 0); \
tmp0_l = __lsx_vld(input + load_idx * 8, 16); \
tmp1_r = sum0_r; \
tmp1_l = sum0_l; \
sum0_r = __lsx_vadd_w(sum0_r, tmp0_r); \
sum0_l = __lsx_vadd_w(sum0_l, tmp0_l); \
__lsx_vst(sum0_r, (input + load_idx * 8), 0); \
__lsx_vst(sum0_l, (input + load_idx * 8), 16); \
tmp1_r = __lsx_vsub_w(tmp1_r, tmp0_r); \
tmp1_l = __lsx_vsub_w(tmp1_l, tmp0_l); \
__lsx_vst(tmp1_r, (input + store_idx * 8), 0); \
__lsx_vst(tmp1_l, (input + store_idx * 8), 16); \
}
#define HEVC_IDCT_LUMA4x4_COL(in_r0, in_l0, in_r1, in_l1, \
res0, res1, res2, res3, shift) \
{ \
__m128i vec0, vec1, vec2, vec3; \
__m128i cnst74 = __lsx_vldi(0x84a); \
__m128i cnst55 = __lsx_vldi(0x837); \
__m128i cnst29 = __lsx_vldi(0x81d); \
\
vec0 = __lsx_vadd_w(in_r0, in_r1); \
vec2 = __lsx_vsub_w(in_r0, in_l1); \
res0 = __lsx_vmul_w(vec0, cnst29); \
res1 = __lsx_vmul_w(vec2, cnst55); \
res2 = __lsx_vsub_w(in_r0, in_r1); \
vec1 = __lsx_vadd_w(in_r1, in_l1); \
res2 = __lsx_vadd_w(res2, in_l1); \
vec3 = __lsx_vmul_w(in_l0, cnst74); \
res3 = __lsx_vmul_w(vec0, cnst55); \
\
res0 = __lsx_vadd_w(res0, __lsx_vmul_w(vec1, cnst55)); \
res1 = __lsx_vsub_w(res1, __lsx_vmul_w(vec1, cnst29)); \
res2 = __lsx_vmul_w(res2, cnst74); \
res3 = __lsx_vadd_w(res3, __lsx_vmul_w(vec2, cnst29)); \
\
res0 = __lsx_vadd_w(res0, vec3); \
res1 = __lsx_vadd_w(res1, vec3); \
res3 = __lsx_vsub_w(res3, vec3); \
\
res0 = __lsx_vsrari_w(res0, shift); \
res1 = __lsx_vsrari_w(res1, shift); \
res2 = __lsx_vsrari_w(res2, shift); \
res3 = __lsx_vsrari_w(res3, shift); \
res0 = __lsx_vsat_w(res0, 15); \
res1 = __lsx_vsat_w(res1, 15); \
res2 = __lsx_vsat_w(res2, 15); \
res3 = __lsx_vsat_w(res3, 15); \
}
void ff_hevc_idct_4x4_lsx(int16_t *coeffs, int col_limit)
{
__m128i in0, in1;
__m128i in_r0, in_l0, in_r1, in_l1;
__m128i sum0, sum1, sum2, sum3;
__m128i zero = __lsx_vldi(0x00);
in0 = __lsx_vld(coeffs, 0);
in1 = __lsx_vld(coeffs, 16);
in_r0 = __lsx_vilvl_h(zero, in0);
in_l0 = __lsx_vilvh_h(zero, in0);
in_r1 = __lsx_vilvl_h(zero, in1);
in_l1 = __lsx_vilvh_h(zero, in1);
HEVC_IDCT4x4_COL(in_r0, in_l0, in_r1, in_l1, sum0, sum1, sum2, sum3, 7);
LSX_TRANSPOSE4x4_W(sum0, sum1, sum2, sum3, in_r0, in_l0, in_r1, in_l1);
HEVC_IDCT4x4_COL(in_r0, in_l0, in_r1, in_l1, sum0, sum1, sum2, sum3, 12);
/* Pack and transpose */
in0 = __lsx_vpickev_h(sum2, sum0);
in1 = __lsx_vpickev_h(sum3, sum1);
sum0 = __lsx_vilvl_h(in1, in0);
sum1 = __lsx_vilvh_h(in1, in0);
in0 = __lsx_vilvl_w(sum1, sum0);
in1 = __lsx_vilvh_w(sum1, sum0);
__lsx_vst(in0, coeffs, 0);
__lsx_vst(in1, coeffs, 16);
}
void ff_hevc_idct_8x8_lsx(int16_t *coeffs, int col_limit)
{
const int16_t *filter = &gt8x8_cnst[0];
__m128i in0, in1, in2, in3, in4, in5, in6, in7;
DUP4_ARG2(__lsx_vld, coeffs, 0, coeffs, 16, coeffs, 32,
coeffs, 48, in0, in1, in2, in3);
DUP4_ARG2(__lsx_vld, coeffs, 64, coeffs, 80, coeffs, 96,
coeffs, 112, in4, in5, in6, in7);
HEVC_IDCT8x8_COL(in0, in1, in2, in3, in4, in5, in6, in7, 7);
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
in0, in1, in2, in3, in4, in5, in6, in7);
HEVC_IDCT8x8_COL(in0, in1, in2, in3, in4, in5, in6, in7, 12);
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
in0, in1, in2, in3, in4, in5, in6, in7);
__lsx_vst(in0, coeffs, 0);
__lsx_vst(in1, coeffs, 16);
__lsx_vst(in2, coeffs, 32);
__lsx_vst(in3, coeffs, 48);
__lsx_vst(in4, coeffs, 64);
__lsx_vst(in5, coeffs, 80);
__lsx_vst(in6, coeffs, 96);
__lsx_vst(in7, coeffs, 112);
}
void ff_hevc_idct_16x16_lsx(int16_t *coeffs, int col_limit)
{
int16_t i, j, k;
int16_t buf[256];
int16_t *buf_ptr = &buf[0];
int16_t *src = coeffs;
const int16_t *filter = &gt16x16_cnst[0];
__m128i in0, in1, in2, in3, in4, in5, in6, in7;
__m128i in8, in9, in10, in11, in12, in13, in14, in15;
__m128i vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
__m128i src0_r, src1_r, src2_r, src3_r, src4_r, src5_r, src6_r, src7_r;
__m128i src0_l, src1_l, src2_l, src3_l, src4_l, src5_l, src6_l, src7_l;
for (i = 2; i--;) {
DUP4_ARG2(__lsx_vld, src, 0, src, 32, src, 64, src, 96,
in0, in1, in2, in3);
DUP4_ARG2(__lsx_vld, src, 128, src, 160, src, 192, src, 224,
in4, in5, in6, in7);
DUP4_ARG2(__lsx_vld, src, 256, src, 288, src, 320, src, 352,
in8, in9, in10, in11);
DUP4_ARG2(__lsx_vld, src, 384, src, 416, src, 448, src, 480,
in12, in13, in14, in15);
DUP4_ARG2(__lsx_vilvl_h, in4, in0, in12, in8, in6, in2, in14, in10,
src0_r, src1_r, src2_r, src3_r);
DUP4_ARG2(__lsx_vilvl_h, in5, in1, in13, in9, in3, in7, in11, in15,
src4_r, src5_r, src6_r, src7_r);
DUP4_ARG2(__lsx_vilvh_h, in4, in0, in12, in8, in6, in2, in14, in10,
src0_l, src1_l, src2_l, src3_l);
DUP4_ARG2(__lsx_vilvh_h, in5, in1, in13, in9, in3, in7, in11, in15,
src4_l, src5_l, src6_l, src7_l);
HEVC_IDCT16x16_COL(src0_r, src1_r, src2_r, src3_r, src4_r, src5_r,
src6_r, src7_r, src0_l, src1_l, src2_l, src3_l,
src4_l, src5_l, src6_l, src7_l, 7);
src += 8;
buf_ptr = (&buf[0] + 8);
filter = &gt16x16_cnst[0];
}
src = &buf[0];
buf_ptr = coeffs;
filter = &gt16x16_cnst[0];
for (i = 2; i--;) {
DUP4_ARG2(__lsx_vld, src, 0, src, 16, src, 32, src, 48,
in0, in8, in1, in9);
DUP4_ARG2(__lsx_vld, src, 64, src, 80, src, 96, src, 112,
in2, in10, in3, in11);
DUP4_ARG2(__lsx_vld, src, 128, src, 144, src, 160, src, 176,
in4, in12, in5, in13);
DUP4_ARG2(__lsx_vld, src, 192, src, 208, src, 224, src, 240,
in6, in14, in7, in15);
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
in0, in1, in2, in3, in4, in5, in6, in7);
LSX_TRANSPOSE8x8_H(in8, in9, in10, in11, in12, in13, in14, in15,
in8, in9, in10, in11, in12, in13, in14, in15);
DUP4_ARG2(__lsx_vilvl_h, in4, in0, in12, in8, in6, in2, in14, in10,
src0_r, src1_r, src2_r, src3_r);
DUP4_ARG2(__lsx_vilvl_h, in5, in1, in13, in9, in3, in7, in11, in15,
src4_r, src5_r, src6_r, src7_r);
DUP4_ARG2(__lsx_vilvh_h, in4, in0, in12, in8, in6, in2, in14, in10,
src0_l, src1_l, src2_l, src3_l);
DUP4_ARG2(__lsx_vilvh_h, in5, in1, in13, in9, in3, in7, in11, in15,
src4_l, src5_l, src6_l, src7_l);
HEVC_IDCT16x16_COL(src0_r, src1_r, src2_r, src3_r, src4_r, src5_r,
src6_r, src7_r, src0_l, src1_l, src2_l, src3_l,
src4_l, src5_l, src6_l, src7_l, 12);
src += 128;
buf_ptr = coeffs + 8;
filter = &gt16x16_cnst[0];
}
DUP4_ARG2(__lsx_vld, coeffs, 0, coeffs, 32, coeffs, 64, coeffs, 96,
in0, in1, in2, in3);
DUP4_ARG2(__lsx_vld, coeffs, 128, coeffs, 160, coeffs, 192, coeffs, 224,
in4, in5, in6, in7);
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7);
__lsx_vst(vec0, coeffs, 0);
__lsx_vst(vec1, coeffs, 32);
__lsx_vst(vec2, coeffs, 64);
__lsx_vst(vec3, coeffs, 96);
__lsx_vst(vec4, coeffs, 128);
__lsx_vst(vec5, coeffs, 160);
__lsx_vst(vec6, coeffs, 192);
__lsx_vst(vec7, coeffs, 224);
src = coeffs + 8;
DUP4_ARG2(__lsx_vld, src, 0, src, 32, src, 64, src, 96, in0, in1, in2, in3);
DUP4_ARG2(__lsx_vld, src, 128, src, 160, src, 192, src, 224,
in4, in5, in6, in7);
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7);
src = coeffs + 128;
DUP4_ARG2(__lsx_vld, src, 0, src, 32, src, 64, src, 96,
in8, in9, in10, in11);
DUP4_ARG2(__lsx_vld, src, 128, src, 160, src, 192, src, 224,
in12, in13, in14, in15);
__lsx_vst(vec0, src, 0);
__lsx_vst(vec1, src, 32);
__lsx_vst(vec2, src, 64);
__lsx_vst(vec3, src, 96);
__lsx_vst(vec4, src, 128);
__lsx_vst(vec5, src, 160);
__lsx_vst(vec6, src, 192);
__lsx_vst(vec7, src, 224);
LSX_TRANSPOSE8x8_H(in8, in9, in10, in11, in12, in13, in14, in15,
vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7);
src = coeffs + 8;
__lsx_vst(vec0, src, 0);
__lsx_vst(vec1, src, 32);
__lsx_vst(vec2, src, 64);
__lsx_vst(vec3, src, 96);
__lsx_vst(vec4, src, 128);
__lsx_vst(vec5, src, 160);
__lsx_vst(vec6, src, 192);
__lsx_vst(vec7, src, 224);
src = coeffs + 136;
DUP4_ARG2(__lsx_vld, src, 0, src, 32, src, 64, src, 96,
in0, in1, in2, in3);
DUP4_ARG2(__lsx_vld, src, 128, src, 160, src, 192, src, 224,
in4, in5, in6, in7);
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7);
__lsx_vst(vec0, src, 0);
__lsx_vst(vec1, src, 32);
__lsx_vst(vec2, src, 64);
__lsx_vst(vec3, src, 96);
__lsx_vst(vec4, src, 128);
__lsx_vst(vec5, src, 160);
__lsx_vst(vec6, src, 192);
__lsx_vst(vec7, src, 224);
}
static void hevc_idct_8x32_column_lsx(int16_t *coeffs, int32_t buf_pitch,
uint8_t round)
{
uint8_t i;
int32_t buf_pitch_2 = buf_pitch << 1;
int32_t buf_pitch_4 = buf_pitch << 2;
int32_t buf_pitch_8 = buf_pitch << 3;
int32_t buf_pitch_16 = buf_pitch << 4;
const int16_t *filter_ptr0 = &gt32x32_cnst0[0];
const int16_t *filter_ptr1 = &gt32x32_cnst1[0];
const int16_t *filter_ptr2 = &gt32x32_cnst2[0];
const int16_t *filter_ptr3 = &gt8x8_cnst[0];
int16_t *src0 = (coeffs + buf_pitch);
int16_t *src1 = (coeffs + buf_pitch_2);
int16_t *src2 = (coeffs + buf_pitch_4);
int16_t *src3 = (coeffs);
int32_t tmp_buf[8 * 32 + 15];
int32_t *tmp_buf_ptr = tmp_buf + 15;
__m128i in0, in1, in2, in3, in4, in5, in6, in7;
__m128i src0_r, src1_r, src2_r, src3_r, src4_r, src5_r, src6_r, src7_r;
__m128i src0_l, src1_l, src2_l, src3_l, src4_l, src5_l, src6_l, src7_l;
__m128i filter0, filter1, filter2, filter3;
__m128i sum0_r, sum0_l, sum1_r, sum1_l, tmp0_r, tmp0_l, tmp1_r, tmp1_l;
/* Align pointer to 64 byte boundary */
tmp_buf_ptr = (int32_t *)(((uintptr_t) tmp_buf_ptr) & ~(uintptr_t) 63);
/* process coeff 4, 12, 20, 28 */
in0 = __lsx_vld(src2, 0);
in1 = __lsx_vld(src2 + buf_pitch_8, 0);
in2 = __lsx_vld(src2 + buf_pitch_16, 0);
in3 = __lsx_vld(src2 + buf_pitch_16 + buf_pitch_8, 0);
in4 = __lsx_vld(src3, 0);
in5 = __lsx_vld(src3 + buf_pitch_8, 0);
in6 = __lsx_vld(src3 + buf_pitch_16, 0);
in7 = __lsx_vld(src3 + buf_pitch_16 + buf_pitch_8, 0);
DUP4_ARG2(__lsx_vilvl_h, in1, in0, in3, in2, in6, in4, in7, in5,
src0_r, src1_r, src2_r, src3_r);
DUP4_ARG2(__lsx_vilvh_h, in1, in0, in3, in2, in6, in4, in7, in5,
src0_l, src1_l, src2_l, src3_l);
filter0 = __lsx_vldrepl_w(filter_ptr2, 0);
filter1 = __lsx_vldrepl_w(filter_ptr2, 4);
sum0_r = __lsx_vdp2_w_h(src0_r, filter0);
sum0_l = __lsx_vdp2_w_h(src0_l, filter0);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src1_r, filter1);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src1_l, filter1);
__lsx_vst(sum0_r, tmp_buf_ptr, 0);
__lsx_vst(sum0_l, tmp_buf_ptr, 16);
filter0 = __lsx_vldrepl_w(filter_ptr2, 8);
filter1 = __lsx_vldrepl_w(filter_ptr2, 12);
sum0_r = __lsx_vdp2_w_h(src0_r, filter0);
sum0_l = __lsx_vdp2_w_h(src0_l, filter0);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src1_r, filter1);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src1_l, filter1);
__lsx_vst(sum0_r, tmp_buf_ptr, 32);
__lsx_vst(sum0_l, tmp_buf_ptr, 48);
filter0 = __lsx_vldrepl_w(filter_ptr2, 16);
filter1 = __lsx_vldrepl_w(filter_ptr2, 20);
sum0_r = __lsx_vdp2_w_h(src0_r, filter0);
sum0_l = __lsx_vdp2_w_h(src0_l, filter0);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src1_r, filter1);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src1_l, filter1);
__lsx_vst(sum0_r, tmp_buf_ptr, 64);
__lsx_vst(sum0_l, tmp_buf_ptr, 80);
filter0 = __lsx_vldrepl_w(filter_ptr2, 24);
filter1 = __lsx_vldrepl_w(filter_ptr2, 28);
sum0_r = __lsx_vdp2_w_h(src0_r, filter0);
sum0_l = __lsx_vdp2_w_h(src0_l, filter0);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src1_r, filter1);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src1_l, filter1);
__lsx_vst(sum0_r, tmp_buf_ptr, 96);
__lsx_vst(sum0_l, tmp_buf_ptr, 112);
/* process coeff 0, 8, 16, 24 */
filter0 = __lsx_vldrepl_w(filter_ptr3, 0);
filter1 = __lsx_vldrepl_w(filter_ptr3, 4);
DUP4_ARG2(__lsx_vdp2_w_h, src2_r, filter0, src2_l, filter0,
src3_r, filter1, src3_l, filter1, sum0_r, sum0_l, tmp1_r, tmp1_l);
sum1_r = __lsx_vsub_w(sum0_r, tmp1_r);
sum1_l = __lsx_vsub_w(sum0_l, tmp1_l);
sum0_r = __lsx_vadd_w(sum0_r, tmp1_r);
sum0_l = __lsx_vadd_w(sum0_l, tmp1_l);
HEVC_EVEN16_CALC(tmp_buf_ptr, sum0_r, sum0_l, 0, 7);
HEVC_EVEN16_CALC(tmp_buf_ptr, sum1_r, sum1_l, 3, 4);
filter0 = __lsx_vldrepl_w(filter_ptr3, 16);
filter1 = __lsx_vldrepl_w(filter_ptr3, 20);
DUP4_ARG2(__lsx_vdp2_w_h, src2_r, filter0, src2_l, filter0,
src3_r, filter1, src3_l, filter1, sum0_r, sum0_l, tmp1_r, tmp1_l);
sum1_r = __lsx_vsub_w(sum0_r, tmp1_r);
sum1_l = __lsx_vsub_w(sum0_l, tmp1_l);
sum0_r = __lsx_vadd_w(sum0_r, tmp1_r);
sum0_l = __lsx_vadd_w(sum0_l, tmp1_l);
HEVC_EVEN16_CALC(tmp_buf_ptr, sum0_r, sum0_l, 1, 6);
HEVC_EVEN16_CALC(tmp_buf_ptr, sum1_r, sum1_l, 2, 5);
/* process coeff 2 6 10 14 18 22 26 30 */
in0 = __lsx_vld(src1, 0);
in1 = __lsx_vld(src1 + buf_pitch_4, 0);
in2 = __lsx_vld(src1 + buf_pitch_8, 0);
in3 = __lsx_vld(src1 + buf_pitch_8 + buf_pitch_4, 0);
in4 = __lsx_vld(src1 + buf_pitch_16, 0);
in5 = __lsx_vld(src1 + buf_pitch_16 + buf_pitch_4, 0);
in6 = __lsx_vld(src1 + buf_pitch_16 + buf_pitch_8, 0);
in7 = __lsx_vld(src1 + buf_pitch_16 + buf_pitch_8 + buf_pitch_4, 0);
DUP4_ARG2(__lsx_vilvl_h, in1, in0, in3, in2, in5, in4, in7, in6,
src0_r, src1_r, src2_r, src3_r);
DUP4_ARG2(__lsx_vilvh_h, in1, in0, in3, in2, in5, in4, in7, in6,
src0_l, src1_l, src2_l, src3_l);
/* loop for all columns of constants */
for (i = 0; i < 8; i++) {
/* processing single column of constants */
filter0 = __lsx_vldrepl_w(filter_ptr1, 0);
filter1 = __lsx_vldrepl_w(filter_ptr1, 4);
filter2 = __lsx_vldrepl_w(filter_ptr1, 8);
filter3 = __lsx_vldrepl_w(filter_ptr1, 12);
sum0_r = __lsx_vdp2_w_h(src0_r, filter0);
sum0_l = __lsx_vdp2_w_h(src0_l, filter0);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src1_r, filter1);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src1_l, filter1);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src2_r, filter2);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src2_l, filter2);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src3_r, filter3);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src3_l, filter3);
tmp0_r = __lsx_vld(tmp_buf_ptr + (i << 3), 0);
tmp0_l = __lsx_vld(tmp_buf_ptr + (i << 3), 16);
tmp1_r = tmp0_r;
tmp1_l = tmp0_l;
tmp0_r = __lsx_vadd_w(tmp0_r, sum0_r);
tmp0_l = __lsx_vadd_w(tmp0_l, sum0_l);
tmp1_r = __lsx_vsub_w(tmp1_r, sum0_r);
tmp1_l = __lsx_vsub_w(tmp1_l, sum0_l);
__lsx_vst(tmp0_r, tmp_buf_ptr + (i << 3), 0);
__lsx_vst(tmp0_l, tmp_buf_ptr + (i << 3), 16);
__lsx_vst(tmp1_r, tmp_buf_ptr + ((15 - i) * 8), 0);
__lsx_vst(tmp1_l, tmp_buf_ptr + ((15 - i) * 8), 16);
filter_ptr1 += 8;
}
/* process coeff 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 */
in0 = __lsx_vld(src0, 0);
in1 = __lsx_vld(src0 + buf_pitch_2, 0);
in2 = __lsx_vld(src0 + buf_pitch_4, 0);
in3 = __lsx_vld(src0 + buf_pitch_4 + buf_pitch_2, 0);
in4 = __lsx_vld(src0 + buf_pitch_8, 0);
in5 = __lsx_vld(src0 + buf_pitch_8 + buf_pitch_2, 0);
in6 = __lsx_vld(src0 + buf_pitch_8 + buf_pitch_4, 0);
in7 = __lsx_vld(src0 + buf_pitch_8 + buf_pitch_4 + buf_pitch_2, 0);
src0 += 16 * buf_pitch;
DUP4_ARG2(__lsx_vilvl_h, in1, in0, in3, in2, in5, in4, in7, in6,
src0_r, src1_r, src2_r, src3_r);
DUP4_ARG2(__lsx_vilvh_h, in1, in0, in3, in2, in5, in4, in7, in6,
src0_l, src1_l, src2_l, src3_l);
in0 = __lsx_vld(src0, 0);
in1 = __lsx_vld(src0 + buf_pitch_2, 0);
in2 = __lsx_vld(src0 + buf_pitch_4, 0);
in3 = __lsx_vld(src0 + buf_pitch_4 + buf_pitch_2, 0);
in4 = __lsx_vld(src0 + buf_pitch_8, 0);
in5 = __lsx_vld(src0 + buf_pitch_8 + buf_pitch_2, 0);
in6 = __lsx_vld(src0 + buf_pitch_8 + buf_pitch_4, 0);
in7 = __lsx_vld(src0 + buf_pitch_8 + buf_pitch_4 + buf_pitch_2, 0);
DUP4_ARG2(__lsx_vilvl_h, in1, in0, in3, in2, in5, in4, in7, in6,
src4_r, src5_r, src6_r, src7_r);
DUP4_ARG2(__lsx_vilvh_h, in1, in0, in3, in2, in5, in4, in7, in6,
src4_l, src5_l, src6_l, src7_l);
/* loop for all columns of filter constants */
for (i = 0; i < 16; i++) {
/* processing single column of constants */
filter0 = __lsx_vldrepl_w(filter_ptr0, 0);
filter1 = __lsx_vldrepl_w(filter_ptr0, 4);
filter2 = __lsx_vldrepl_w(filter_ptr0, 8);
filter3 = __lsx_vldrepl_w(filter_ptr0, 12);
sum0_r = __lsx_vdp2_w_h(src0_r, filter0);
sum0_l = __lsx_vdp2_w_h(src0_l, filter0);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src1_r, filter1);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src1_l, filter1);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src2_r, filter2);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src2_l, filter2);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src3_r, filter3);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src3_l, filter3);
tmp1_r = sum0_r;
tmp1_l = sum0_l;
filter0 = __lsx_vldrepl_w(filter_ptr0, 16);
filter1 = __lsx_vldrepl_w(filter_ptr0, 20);
filter2 = __lsx_vldrepl_w(filter_ptr0, 24);
filter3 = __lsx_vldrepl_w(filter_ptr0, 28);
sum0_r = __lsx_vdp2_w_h(src4_r, filter0);
sum0_l = __lsx_vdp2_w_h(src4_l, filter0);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src5_r, filter1);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src5_l, filter1);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src6_r, filter2);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src6_l, filter2);
sum0_r = __lsx_vdp2add_w_h(sum0_r, src7_r, filter3);
sum0_l = __lsx_vdp2add_w_h(sum0_l, src7_l, filter3);
sum0_r = __lsx_vadd_w(sum0_r, tmp1_r);
sum0_l = __lsx_vadd_w(sum0_l, tmp1_l);
tmp0_r = __lsx_vld(tmp_buf_ptr + i * 8, 0);
tmp0_l = __lsx_vld(tmp_buf_ptr + i * 8, 16);
tmp1_r = tmp0_r;
tmp1_l = tmp0_l;
tmp0_r = __lsx_vadd_w(tmp0_r, sum0_r);
tmp0_l = __lsx_vadd_w(tmp0_l, sum0_l);
sum1_r = __lsx_vreplgr2vr_w(round);
tmp0_r = __lsx_vssrarn_h_w(tmp0_r, sum1_r);
tmp0_l = __lsx_vssrarn_h_w(tmp0_l, sum1_r);
in0 = __lsx_vpackev_d(tmp0_l, tmp0_r);
__lsx_vst(in0, (coeffs + i * buf_pitch), 0);
tmp1_r = __lsx_vsub_w(tmp1_r, sum0_r);
tmp1_l = __lsx_vsub_w(tmp1_l, sum0_l);
tmp1_r = __lsx_vssrarn_h_w(tmp1_r, sum1_r);
tmp1_l = __lsx_vssrarn_h_w(tmp1_l, sum1_r);
in0 = __lsx_vpackev_d(tmp1_l, tmp1_r);
__lsx_vst(in0, (coeffs + (31 - i) * buf_pitch), 0);
filter_ptr0 += 16;
}
}
static void hevc_idct_transpose_32x8_to_8x32(int16_t *coeffs, int16_t *tmp_buf)
{
uint8_t i;
__m128i in0, in1, in2, in3, in4, in5, in6, in7;
for (i = 0; i < 4; i++) {
DUP4_ARG2(__lsx_vld, coeffs, 0, coeffs, 64, coeffs, 128,
coeffs, 192, in0, in1, in2, in3);
DUP4_ARG2(__lsx_vld, coeffs, 256, coeffs, 320, coeffs, 384,
coeffs, 448, in4, in5, in6, in7);
coeffs += 8;
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
in0, in1, in2, in3, in4, in5, in6, in7);
__lsx_vst(in0, tmp_buf, 0);
__lsx_vst(in1, tmp_buf, 16);
__lsx_vst(in2, tmp_buf, 32);
__lsx_vst(in3, tmp_buf, 48);
__lsx_vst(in4, tmp_buf, 64);
__lsx_vst(in5, tmp_buf, 80);
__lsx_vst(in6, tmp_buf, 96);
__lsx_vst(in7, tmp_buf, 112);
tmp_buf += 64;
}
}
static void hevc_idct_transpose_8x32_to_32x8(int16_t *tmp_buf, int16_t *coeffs)
{
uint8_t i;
__m128i in0, in1, in2, in3, in4, in5, in6, in7;
for (i = 0; i < 4; i++) {
DUP4_ARG2(__lsx_vld, tmp_buf, 0, tmp_buf, 16, tmp_buf, 32,
tmp_buf, 48, in0, in1, in2, in3);
DUP4_ARG2(__lsx_vld, tmp_buf, 64, tmp_buf, 80, tmp_buf, 96,
tmp_buf, 112, in4, in5, in6, in7);
tmp_buf += 64;
LSX_TRANSPOSE8x8_H(in0, in1, in2, in3, in4, in5, in6, in7,
in0, in1, in2, in3, in4, in5, in6, in7);
__lsx_vst(in0, coeffs, 0);
__lsx_vst(in1, coeffs, 64);
__lsx_vst(in2, coeffs, 128);
__lsx_vst(in3, coeffs, 192);
__lsx_vst(in4, coeffs, 256);
__lsx_vst(in5, coeffs, 320);
__lsx_vst(in6, coeffs, 384);
__lsx_vst(in7, coeffs, 448);
coeffs += 8;
}
}
void ff_hevc_idct_32x32_lsx(int16_t *coeffs, int col_limit)
{
uint8_t row_cnt, col_cnt;
int16_t *src = coeffs;
int16_t tmp_buf[8 * 32 + 31];
int16_t *tmp_buf_ptr = tmp_buf + 31;
uint8_t round;
int32_t buf_pitch;
/* Align pointer to 64 byte boundary */
tmp_buf_ptr = (int16_t *)(((uintptr_t) tmp_buf_ptr) & ~(uintptr_t) 63);
/* column transform */
round = 7;
buf_pitch = 32;
for (col_cnt = 0; col_cnt < 4; col_cnt++) {
/* process 8x32 blocks */
hevc_idct_8x32_column_lsx((coeffs + col_cnt * 8), buf_pitch, round);
}
/* row transform */
round = 12;
buf_pitch = 8;
for (row_cnt = 0; row_cnt < 4; row_cnt++) {
/* process 32x8 blocks */
src = (coeffs + 32 * 8 * row_cnt);
hevc_idct_transpose_32x8_to_8x32(src, tmp_buf_ptr);
hevc_idct_8x32_column_lsx(tmp_buf_ptr, buf_pitch, round);
hevc_idct_transpose_8x32_to_32x8(tmp_buf_ptr, src);
}
}
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