diff options
| author | Rémi Denis-Courmont <remi@remlab.net> | 2022-09-26 17:52:51 +0300 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2022-09-27 13:19:52 +0200 |
| commit | c03f9654c997b33b8028eb71c9e7ba61fd53a813 (patch) | |
| tree | 6ed69aca799f255a2be544572a6d788fd088c19a /libavcodec/riscv | |
| parent | a15edb0bc0108362fa3c71de3bf763072341b8b0 (diff) | |
lavc/aacpsdsp: RISC-V V stereo_interpolate[0]
Diffstat (limited to 'libavcodec/riscv')
| -rw-r--r-- | libavcodec/riscv/aacpsdsp_init.c | 4 | ||||
| -rw-r--r-- | libavcodec/riscv/aacpsdsp_rvv.S | 56 |
2 files changed, 60 insertions, 0 deletions
diff --git a/libavcodec/riscv/aacpsdsp_init.c b/libavcodec/riscv/aacpsdsp_init.c index c2201ffb6a..f42baf4251 100644 --- a/libavcodec/riscv/aacpsdsp_init.c +++ b/libavcodec/riscv/aacpsdsp_init.c @@ -34,6 +34,9 @@ void ff_ps_hybrid_analysis_ileave_rvv(float (*out)[32][2], float L[2][38][64], void ff_ps_hybrid_synthesis_deint_rvv(float out[2][38][64], float (*in)[32][2], int i, int len); +void ff_ps_stereo_interpolate_rvv(float (*l)[2], float (*r)[2], + float h[2][4], float h_step[2][4], int len); + av_cold void ff_psdsp_init_riscv(PSDSPContext *c) { #if HAVE_RVV @@ -43,6 +46,7 @@ av_cold void ff_psdsp_init_riscv(PSDSPContext *c) c->add_squares = ff_ps_add_squares_rvv; c->mul_pair_single = ff_ps_mul_pair_single_rvv; c->hybrid_analysis = ff_ps_hybrid_analysis_rvv; + c->stereo_interpolate[0] = ff_ps_stereo_interpolate_rvv; } if (flags & AV_CPU_FLAG_RVV_I32) { diff --git a/libavcodec/riscv/aacpsdsp_rvv.S b/libavcodec/riscv/aacpsdsp_rvv.S index 0cbe4c1d3c..1d6e73fd2d 100644 --- a/libavcodec/riscv/aacpsdsp_rvv.S +++ b/libavcodec/riscv/aacpsdsp_rvv.S @@ -219,3 +219,59 @@ func ff_ps_hybrid_synthesis_deint_rvv, zve32x 3: ret endfunc + +func ff_ps_stereo_interpolate_rvv, zve32f + vsetvli t0, zero, e32, m1, ta, ma + vid.v v24 + flw ft0, (a2) + vadd.vi v24, v24, 1 // v24[i] = i + 1 + flw ft1, 4(a2) + vfcvt.f.xu.v v24, v24 + flw ft2, 8(a2) + vfmv.v.f v16, ft0 + flw ft3, 12(a2) + vfmv.v.f v17, ft1 + flw ft0, (a3) + vfmv.v.f v18, ft2 + flw ft1, 4(a3) + vfmv.v.f v19, ft3 + flw ft2, 8(a3) + vfmv.v.f v20, ft0 + flw ft3, 12(a3) + vfmv.v.f v21, ft1 + fcvt.s.wu ft4, t0 // (float)(vlenb / sizeof (float)) + vfmv.v.f v22, ft2 + fmul.s ft0, ft0, ft4 + vfmv.v.f v23, ft3 + fmul.s ft1, ft1, ft4 + vfmacc.vv v16, v24, v20 // h0 += (i + 1) * h0_step + fmul.s ft2, ft2, ft4 + vfmacc.vv v17, v24, v21 + fmul.s ft3, ft3, ft4 + vfmacc.vv v18, v24, v22 + vfmacc.vv v19, v24, v23 +1: + vsetvli t0, a4, e32, m1, ta, ma + vlseg2e32.v v8, (a0) // v8:l_re, v9:l_im + sub a4, a4, t0 + vlseg2e32.v v10, (a1) // v10:r_re, v11:r_im + vfmul.vv v12, v8, v16 + vfmul.vv v13, v9, v16 + vfmul.vv v14, v8, v17 + vfmul.vv v15, v9, v17 + vfmacc.vv v12, v10, v18 + vfmacc.vv v13, v11, v18 + vfmacc.vv v14, v10, v19 + vfmacc.vv v15, v11, v19 + vsseg2e32.v v12, (a0) + sh3add a0, t0, a0 + vsseg2e32.v v14, (a1) + sh3add a1, t0, a1 + vfadd.vf v16, v16, ft0 // h0 += (vlenb / sizeof (float)) * h0_step + vfadd.vf v17, v17, ft1 + vfadd.vf v18, v18, ft2 + vfadd.vf v19, v19, ft3 + bnez a4, 1b + + ret +endfunc |