diff options
Diffstat (limited to 'libavcodec/mips/vp8_idct_msa.c')
| -rw-r--r-- | libavcodec/mips/vp8_idct_msa.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libavcodec/mips/vp8_idct_msa.c b/libavcodec/mips/vp8_idct_msa.c new file mode 100644 index 0000000000..11ac9ff83e --- /dev/null +++ b/libavcodec/mips/vp8_idct_msa.c @@ -0,0 +1,160 @@ +/* + * Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@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 <string.h> +#include "libavcodec/vp8dsp.h" +#include "libavutil/mips/generic_macros_msa.h" +#include "vp8dsp_mips.h" + +static const int cospi8sqrt2minus1 = 20091; +static const int sinpi8sqrt2 = 35468; + +#define VP8_IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3) \ +{ \ + v4i32 a1_m, b1_m, c1_m, d1_m; \ + v4i32 c_tmp1_m, c_tmp2_m, d_tmp1_m, d_tmp2_m; \ + v4i32 const_cospi8sqrt2minus1_m, sinpi8_sqrt2_m; \ + \ + const_cospi8sqrt2minus1_m = __msa_fill_w(cospi8sqrt2minus1); \ + sinpi8_sqrt2_m = __msa_fill_w(sinpi8sqrt2); \ + a1_m = in0 + in2; \ + b1_m = in0 - in2; \ + c_tmp1_m = ((in1) * sinpi8_sqrt2_m) >> 16; \ + c_tmp2_m = in3 + (((in3) * const_cospi8sqrt2minus1_m) >> 16); \ + c1_m = c_tmp1_m - c_tmp2_m; \ + d_tmp1_m = (in1) + (((in1) * const_cospi8sqrt2minus1_m) >> 16); \ + d_tmp2_m = ((in3) * sinpi8_sqrt2_m) >> 16; \ + d1_m = d_tmp1_m + d_tmp2_m; \ + BUTTERFLY_4(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \ +} + +void ff_vp8_idct_add_msa(uint8_t *dst, int16_t input[16], ptrdiff_t stride) +{ + v8i16 input0, input1; + v4i32 in0, in1, in2, in3, hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3; + v4i32 res0, res1, res2, res3; + v16i8 zero = { 0 }; + v16i8 pred0, pred1, pred2, pred3, dest0, dest1; + v16i8 mask = { 0, 4, 8, 12, 16, 20, 24, 28, 0, 0, 0, 0, 0, 0, 0, 0 }; + + /* load short vector elements of 4x4 block */ + LD_SH2(input, 8, input0, input1); + UNPCK_SH_SW(input0, in0, in1); + UNPCK_SH_SW(input1, in2, in3); + VP8_IDCT_1D_W(in0, in1, in2, in3, hz0, hz1, hz2, hz3); + /* transpose the block */ + TRANSPOSE4x4_SW_SW(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3); + VP8_IDCT_1D_W(hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3); + SRARI_W4_SW(vt0, vt1, vt2, vt3, 3); + /* transpose the block */ + TRANSPOSE4x4_SW_SW(vt0, vt1, vt2, vt3, vt0, vt1, vt2, vt3); + LD_SB4(dst, stride, pred0, pred1, pred2, pred3); + ILVR_B4_SW(zero, pred0, zero, pred1, zero, pred2, zero, pred3, + res0, res1, res2, res3); + ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3, + res0, res1, res2, res3); + ADD4(res0, vt0, res1, vt1, res2, vt2, res3, vt3, res0, res1, res2, res3); + res0 = CLIP_SW_0_255(res0); + res1 = CLIP_SW_0_255(res1); + res2 = CLIP_SW_0_255(res2); + res3 = CLIP_SW_0_255(res3); + VSHF_B2_SB(res0, res1, res2, res3, mask, mask, dest0, dest1); + ST4x4_UB(dest0, dest1, 0, 1, 0, 1, dst, stride); + + memset(input, 0, 4 * 4 * sizeof(*input)); +} + +void ff_vp8_idct_dc_add_msa(uint8_t *dst, int16_t in_dc[16], ptrdiff_t stride) +{ + v8i16 vec; + v8i16 res0, res1, res2, res3; + v16i8 zero = { 0 }; + v16i8 pred0, pred1, pred2, pred3, dest0, dest1; + v16i8 mask = { 0, 2, 4, 6, 16, 18, 20, 22, 0, 0, 0, 0, 0, 0, 0, 0 }; + + vec = __msa_fill_h(in_dc[0]); + vec = __msa_srari_h(vec, 3); + LD_SB4(dst, stride, pred0, pred1, pred2, pred3); + ILVR_B4_SH(zero, pred0, zero, pred1, zero, pred2, zero, pred3, + res0, res1, res2, res3); + ADD4(res0, vec, res1, vec, res2, vec, res3, vec, res0, res1, res2, res3); + CLIP_SH4_0_255(res0, res1, res2, res3); + VSHF_B2_SB(res0, res1, res2, res3, mask, mask, dest0, dest1); + ST4x4_UB(dest0, dest1, 0, 1, 0, 1, dst, stride); + + in_dc[0] = 0; +} + +void ff_vp8_luma_dc_wht_msa(int16_t block[4][4][16], int16_t input[16]) +{ + int16_t *mb_dq_coeff = &block[0][0][0]; + v8i16 input0, input1; + v4i32 in0, in1, in2, in3, a1, b1, c1, d1; + v4i32 hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3; + + /* load short vector elements of 4x4 block */ + LD_SH2(input, 8, input0, input1); + UNPCK_SH_SW(input0, in0, in1); + UNPCK_SH_SW(input1, in2, in3); + BUTTERFLY_4(in0, in1, in2, in3, a1, b1, c1, d1); + BUTTERFLY_4(a1, d1, c1, b1, hz0, hz1, hz3, hz2); + /* transpose the block */ + TRANSPOSE4x4_SW_SW(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3); + BUTTERFLY_4(hz0, hz1, hz2, hz3, a1, b1, c1, d1); + BUTTERFLY_4(a1, d1, c1, b1, vt0, vt1, vt3, vt2); + ADD4(vt0, 3, vt1, 3, vt2, 3, vt3, 3, vt0, vt1, vt2, vt3); + SRA_4V(vt0, vt1, vt2, vt3, 3); + mb_dq_coeff[0] = __msa_copy_s_h((v8i16) vt0, 0); + mb_dq_coeff[16] = __msa_copy_s_h((v8i16) vt1, 0); + mb_dq_coeff[32] = __msa_copy_s_h((v8i16) vt2, 0); + mb_dq_coeff[48] = __msa_copy_s_h((v8i16) vt3, 0); + mb_dq_coeff[64] = __msa_copy_s_h((v8i16) vt0, 2); + mb_dq_coeff[80] = __msa_copy_s_h((v8i16) vt1, 2); + mb_dq_coeff[96] = __msa_copy_s_h((v8i16) vt2, 2); + mb_dq_coeff[112] = __msa_copy_s_h((v8i16) vt3, 2); + mb_dq_coeff[128] = __msa_copy_s_h((v8i16) vt0, 4); + mb_dq_coeff[144] = __msa_copy_s_h((v8i16) vt1, 4); + mb_dq_coeff[160] = __msa_copy_s_h((v8i16) vt2, 4); + mb_dq_coeff[176] = __msa_copy_s_h((v8i16) vt3, 4); + mb_dq_coeff[192] = __msa_copy_s_h((v8i16) vt0, 6); + mb_dq_coeff[208] = __msa_copy_s_h((v8i16) vt1, 6); + mb_dq_coeff[224] = __msa_copy_s_h((v8i16) vt2, 6); + mb_dq_coeff[240] = __msa_copy_s_h((v8i16) vt3, 6); + + memset(input, 0, 4 * 4 * sizeof(int16_t)); +} + +void ff_vp8_idct_dc_add4y_msa(uint8_t *dst, int16_t block[4][16], + ptrdiff_t stride) +{ + ff_vp8_idct_dc_add_msa(dst, &block[0][0], stride); + ff_vp8_idct_dc_add_msa(dst + 4, &block[1][0], stride); + ff_vp8_idct_dc_add_msa(dst + 8, &block[2][0], stride); + ff_vp8_idct_dc_add_msa(dst + 12, &block[3][0], stride); +} + +void ff_vp8_idct_dc_add4uv_msa(uint8_t *dst, int16_t block[4][16], + ptrdiff_t stride) +{ + ff_vp8_idct_dc_add_msa(dst, &block[0][0], stride); + ff_vp8_idct_dc_add_msa(dst + 4, &block[1][0], stride); + ff_vp8_idct_dc_add_msa(dst + stride * 4, &block[2][0], stride); + ff_vp8_idct_dc_add_msa(dst + stride * 4 + 4, &block[3][0], stride); +} |