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FFmpeg/libavcodec/mips/vp9dsp_init_mips.c
Jiaxun Yang e2fa12e3ae libavcodec: Enable runtime detection for MIPS MMI & MSA 
Apply optimized functions according to cpuflags.
MSA is usually put after MMI as it's generally faster than MMI.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-23 17:21:58 +02:00

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/*
* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
*
* 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/mips/cpu.h"
#include "config.h"
#include "libavutil/common.h"
#include "libavcodec/vp9dsp.h"
#include "vp9dsp_mips.h"
#if HAVE_MSA
static av_cold void vp9dsp_intrapred_init_msa(VP9DSPContext *dsp, int bpp)
{
if (bpp == 8) {
#define init_intra_pred_msa(tx, sz) \
dsp->intra_pred[tx][VERT_PRED] = ff_vert_##sz##_msa; \
dsp->intra_pred[tx][HOR_PRED] = ff_hor_##sz##_msa; \
dsp->intra_pred[tx][DC_PRED] = ff_dc_##sz##_msa; \
dsp->intra_pred[tx][LEFT_DC_PRED] = ff_dc_left_##sz##_msa; \
dsp->intra_pred[tx][TOP_DC_PRED] = ff_dc_top_##sz##_msa; \
dsp->intra_pred[tx][DC_128_PRED] = ff_dc_128_##sz##_msa; \
dsp->intra_pred[tx][DC_127_PRED] = ff_dc_127_##sz##_msa; \
dsp->intra_pred[tx][DC_129_PRED] = ff_dc_129_##sz##_msa; \
dsp->intra_pred[tx][TM_VP8_PRED] = ff_tm_##sz##_msa; \
init_intra_pred_msa(TX_16X16, 16x16);
init_intra_pred_msa(TX_32X32, 32x32);
#undef init_intra_pred_msa
#define init_intra_pred_msa(tx, sz) \
dsp->intra_pred[tx][DC_PRED] = ff_dc_##sz##_msa; \
dsp->intra_pred[tx][LEFT_DC_PRED] = ff_dc_left_##sz##_msa; \
dsp->intra_pred[tx][TOP_DC_PRED] = ff_dc_top_##sz##_msa; \
dsp->intra_pred[tx][TM_VP8_PRED] = ff_tm_##sz##_msa; \
init_intra_pred_msa(TX_4X4, 4x4);
init_intra_pred_msa(TX_8X8, 8x8);
#undef init_intra_pred_msa
}
}
static av_cold void vp9dsp_itxfm_init_msa(VP9DSPContext *dsp, int bpp)
{
if (bpp == 8) {
#define init_itxfm(tx, sz) \
dsp->itxfm_add[tx][DCT_DCT] = ff_idct_idct_##sz##_add_msa; \
dsp->itxfm_add[tx][DCT_ADST] = ff_iadst_idct_##sz##_add_msa; \
dsp->itxfm_add[tx][ADST_DCT] = ff_idct_iadst_##sz##_add_msa; \
dsp->itxfm_add[tx][ADST_ADST] = ff_iadst_iadst_##sz##_add_msa \
#define init_idct(tx, nm) \
dsp->itxfm_add[tx][DCT_DCT] = \
dsp->itxfm_add[tx][ADST_DCT] = \
dsp->itxfm_add[tx][DCT_ADST] = \
dsp->itxfm_add[tx][ADST_ADST] = nm##_add_msa
init_itxfm(TX_4X4, 4x4);
init_itxfm(TX_8X8, 8x8);
init_itxfm(TX_16X16, 16x16);
init_idct(TX_32X32, ff_idct_idct_32x32);
#undef init_itxfm
#undef init_idct
}
}
static av_cold void vp9dsp_mc_init_msa(VP9DSPContext *dsp, int bpp)
{
if (bpp == 8) {
#define init_fpel(idx1, idx2, sz, type) \
dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = ff_##type##sz##_msa; \
dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = ff_##type##sz##_msa; \
dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][0][0] = ff_##type##sz##_msa; \
dsp->mc[idx1][FILTER_BILINEAR ][idx2][0][0] = ff_##type##sz##_msa
#define init_copy_avg(idx, sz) \
init_fpel(idx, 0, sz, copy); \
init_fpel(idx, 1, sz, avg)
#define init_avg(idx, sz) \
init_fpel(idx, 1, sz, avg)
init_copy_avg(0, 64);
init_copy_avg(1, 32);
init_copy_avg(2, 16);
init_copy_avg(3, 8);
init_avg(4, 4);
#undef init_copy_avg
#undef init_avg
#undef init_fpel
#define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type) \
dsp->mc[idx1][FILTER_BILINEAR ][idx2][idxh][idxv] = \
ff_##type##_bilin_##sz##dir##_msa; \
dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] = \
ff_##type##_8tap_smooth_##sz##dir##_msa; \
dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] = \
ff_##type##_8tap_regular_##sz##dir##_msa; \
dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][idxh][idxv] = \
ff_##type##_8tap_sharp_##sz##dir##_msa;
#define init_subpel2(idx, idxh, idxv, dir, type) \
init_subpel1(0, idx, idxh, idxv, 64, dir, type); \
init_subpel1(1, idx, idxh, idxv, 32, dir, type); \
init_subpel1(2, idx, idxh, idxv, 16, dir, type); \
init_subpel1(3, idx, idxh, idxv, 8, dir, type); \
init_subpel1(4, idx, idxh, idxv, 4, dir, type)
#define init_subpel3(idx, type) \
init_subpel2(idx, 1, 1, hv, type); \
init_subpel2(idx, 0, 1, v, type); \
init_subpel2(idx, 1, 0, h, type)
init_subpel3(0, put);
init_subpel3(1, avg);
#undef init_subpel1
#undef init_subpel2
#undef init_subpel3
}
}
static av_cold void vp9dsp_loopfilter_init_msa(VP9DSPContext *dsp, int bpp)
{
if (bpp == 8) {
dsp->loop_filter_8[0][0] = ff_loop_filter_h_4_8_msa;
dsp->loop_filter_8[0][1] = ff_loop_filter_v_4_8_msa;
dsp->loop_filter_8[1][0] = ff_loop_filter_h_8_8_msa;
dsp->loop_filter_8[1][1] = ff_loop_filter_v_8_8_msa;
dsp->loop_filter_8[2][0] = ff_loop_filter_h_16_8_msa;
dsp->loop_filter_8[2][1] = ff_loop_filter_v_16_8_msa;
dsp->loop_filter_16[0] = ff_loop_filter_h_16_16_msa;
dsp->loop_filter_16[1] = ff_loop_filter_v_16_16_msa;
dsp->loop_filter_mix2[0][0][0] = ff_loop_filter_h_44_16_msa;
dsp->loop_filter_mix2[0][0][1] = ff_loop_filter_v_44_16_msa;
dsp->loop_filter_mix2[0][1][0] = ff_loop_filter_h_48_16_msa;
dsp->loop_filter_mix2[0][1][1] = ff_loop_filter_v_48_16_msa;
dsp->loop_filter_mix2[1][0][0] = ff_loop_filter_h_84_16_msa;
dsp->loop_filter_mix2[1][0][1] = ff_loop_filter_v_84_16_msa;
dsp->loop_filter_mix2[1][1][0] = ff_loop_filter_h_88_16_msa;
dsp->loop_filter_mix2[1][1][1] = ff_loop_filter_v_88_16_msa;
}
}
static av_cold void vp9dsp_init_msa(VP9DSPContext *dsp, int bpp)
{
vp9dsp_intrapred_init_msa(dsp, bpp);
vp9dsp_itxfm_init_msa(dsp, bpp);
vp9dsp_mc_init_msa(dsp, bpp);
vp9dsp_loopfilter_init_msa(dsp, bpp);
}
#endif // #if HAVE_MSA
#if HAVE_MMI
static av_cold void vp9dsp_mc_init_mmi(VP9DSPContext *dsp)
{
#define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type) \
dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] = \
ff_##type##_8tap_smooth_##sz##dir##_mmi; \
dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] = \
ff_##type##_8tap_regular_##sz##dir##_mmi; \
dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][idxh][idxv] = \
ff_##type##_8tap_sharp_##sz##dir##_mmi;
#define init_subpel2(idx, idxh, idxv, dir, type) \
init_subpel1(0, idx, idxh, idxv, 64, dir, type); \
init_subpel1(1, idx, idxh, idxv, 32, dir, type); \
init_subpel1(2, idx, idxh, idxv, 16, dir, type); \
init_subpel1(3, idx, idxh, idxv, 8, dir, type); \
init_subpel1(4, idx, idxh, idxv, 4, dir, type)
#define init_subpel3(idx, type) \
init_subpel2(idx, 1, 1, hv, type); \
init_subpel2(idx, 0, 1, v, type); \
init_subpel2(idx, 1, 0, h, type)
init_subpel3(0, put);
init_subpel3(1, avg);
#undef init_subpel1
#undef init_subpel2
#undef init_subpel3
}
static av_cold void vp9dsp_init_mmi(VP9DSPContext *dsp, int bpp)
{
if (bpp == 8) {
vp9dsp_mc_init_mmi(dsp);
}
}
#endif // #if HAVE_MMI
av_cold void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp)
{
#if HAVE_MSA || HAVE_MMI
int cpu_flags = av_get_cpu_flags();
#endif
#if HAVE_MMI
if (have_mmi(cpu_flags))
vp9dsp_init_mmi(dsp, bpp);
#endif
#if HAVE_MSA
if (have_msa(cpu_flags))
vp9dsp_init_msa(dsp, bpp);
#endif
}
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