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| author | Rémi Denis-Courmont <remi@remlab.net> | 2023-10-28 21:55:16 +0300 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2023-11-01 18:52:55 +0200 |
| commit | 28840cf499ad0149d690385d8d36666efe15aa95 (patch) | |
| tree | 85420c4d4f5c80a7ff3c8da66d01fcc984f2cc0c /libavcodec | |
| parent | 73dea2bb917456e197cbb57b31275b6231e07acc (diff) | |
| download | ffmpeg-28840cf499ad0149d690385d8d36666efe15aa95.tar.gz | |
lavc/jpeg2000dsp: R-V V rct_int
jpeg2000_rct_int_c: 2592.2
jpeg2000_rct_int_rvv_i32: 1154.2
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/riscv/jpeg2000dsp_init.c | 8 | ||||
| -rw-r--r-- | libavcodec/riscv/jpeg2000dsp_rvv.S | 23 |
2 files changed, 29 insertions, 2 deletions
diff --git a/libavcodec/riscv/jpeg2000dsp_init.c b/libavcodec/riscv/jpeg2000dsp_init.c index 9415a22f79..e82ec47bde 100644 --- a/libavcodec/riscv/jpeg2000dsp_init.c +++ b/libavcodec/riscv/jpeg2000dsp_init.c @@ -24,13 +24,17 @@ #include "libavcodec/jpeg2000dsp.h" void ff_ict_float_rvv(void *src0, void *src1, void *src2, int csize); +void ff_rct_int_rvv(void *src0, void *src1, void *src2, int csize); av_cold void ff_jpeg2000dsp_init_riscv(Jpeg2000DSPContext *c) { #if HAVE_RVV int flags = av_get_cpu_flags(); - if ((flags & AV_CPU_FLAG_RVV_F32) && (flags & AV_CPU_FLAG_RVB_ADDR)) - c->mct_decode[FF_DWT97] = ff_ict_float_rvv; + if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) { + if (flags & AV_CPU_FLAG_RVV_F32) + c->mct_decode[FF_DWT97] = ff_ict_float_rvv; + c->mct_decode[FF_DWT53] = ff_rct_int_rvv; + } #endif } diff --git a/libavcodec/riscv/jpeg2000dsp_rvv.S b/libavcodec/riscv/jpeg2000dsp_rvv.S index d10ebd491f..10efe6b0db 100644 --- a/libavcodec/riscv/jpeg2000dsp_rvv.S +++ b/libavcodec/riscv/jpeg2000dsp_rvv.S @@ -47,3 +47,26 @@ func ff_ict_float_rvv, zve32f ret endfunc + +func ff_rct_int_rvv, zve32x +1: + vsetvli t0, a3, e32, m8, ta, ma + vle32.v v16, (a1) + sub a3, a3, t0 + vle32.v v24, (a2) + vle32.v v8, (a0) + vadd.vv v0, v16, v24 + vsra.vi v0, v0, 2 + vsub.vv v0, v8, v0 + vadd.vv v8, v0, v24 + vadd.vv v24, v0, v16 + vse32.v v8, (a0) + sh2add a0, t0, a0 + vse32.v v0, (a1) + sh2add a1, t0, a1 + vse32.v v24, (a2) + sh2add a2, t0, a2 + bnez a3, 1b + + ret +endfunc |