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| author | Rémi Denis-Courmont <remi@remlab.net> | 2024-05-12 19:40:30 +0300 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2024-05-15 20:04:08 +0300 |
| commit | 7b47099bc080ee597327476c0df44d527c349862 (patch) | |
| tree | ac03378276daf5f6e1230f46beea8ac848bb2ca3 | |
| parent | 83e5fdd3f4fba46df23e870ee963b3935ea33343 (diff) | |
| download | ffmpeg-7b47099bc080ee597327476c0df44d527c349862.tar.gz | |
lavc/flacdsp: R-V V flac_wasted32
T-Head C908:
flac_wasted_32_c: 949.0
flac_wasted_32_rvv_i32: 278.7
| -rw-r--r-- | libavcodec/riscv/flacdsp_init.c | 7 | ||||
| -rw-r--r-- | libavcodec/riscv/flacdsp_rvv.S | 15 |
2 files changed, 21 insertions, 1 deletions
diff --git a/libavcodec/riscv/flacdsp_init.c b/libavcodec/riscv/flacdsp_init.c index 66eb062620..454787470b 100644 --- a/libavcodec/riscv/flacdsp_init.c +++ b/libavcodec/riscv/flacdsp_init.c @@ -31,6 +31,7 @@ void ff_flac_lpc32_rvv(int32_t *decoded, const int coeffs[32], int pred_order, int qlevel, int len); void ff_flac_lpc32_rvv_simple(int32_t *decoded, const int coeffs[32], int pred_order, int qlevel, int len); +void ff_flac_wasted32_rvv(int32_t *, int shift, int len); void ff_flac_decorrelate_indep2_16_rvv(uint8_t **out, int32_t **in, int channels, int len, int shift); void ff_flac_decorrelate_indep4_16_rvv(uint8_t **out, int32_t **in, @@ -79,7 +80,11 @@ av_cold void ff_flacdsp_init_riscv(FLACDSPContext *c, enum AVSampleFormat fmt, else c->lpc32 = ff_flac_lpc32_rvv; } +# endif + + c->wasted32 = ff_flac_wasted32_rvv; +# if (__riscv_xlen >= 64) switch (fmt) { case AV_SAMPLE_FMT_S16: switch (channels) { @@ -119,8 +124,8 @@ av_cold void ff_flacdsp_init_riscv(FLACDSPContext *c, enum AVSampleFormat fmt, c->decorrelate[2] = ff_flac_decorrelate_rs_32_rvv; c->decorrelate[3] = ff_flac_decorrelate_ms_32_rvv; break; -# endif } +# endif } #endif } diff --git a/libavcodec/riscv/flacdsp_rvv.S b/libavcodec/riscv/flacdsp_rvv.S index 25803f00f8..d7009cdec2 100644 --- a/libavcodec/riscv/flacdsp_rvv.S +++ b/libavcodec/riscv/flacdsp_rvv.S @@ -100,7 +100,22 @@ func ff_flac_lpc32_rvv_simple, zve64x ret endfunc +#endif + +func ff_flac_wasted32_rvv, zve32x +1: + vsetvli t0, a2, e32, m8, ta, ma + vle32.v v8, (a0) + sub a2, a2, t0 + vsll.vx v8, v8, a1 + vse32.v v8, (a0) + sh2add a0, t0, a0 + bnez a2, 1b + ret +endfunc + +#if (__riscv_xlen == 64) func ff_flac_decorrelate_indep2_16_rvv, zve32x ld a0, (a0) ld a2, 8(a1) |