diff options
| author | Geoff Hill <geoff@geoffhill.org> | 2024-04-06 07:26:06 -0700 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2024-04-08 13:36:40 +0300 |
| commit | 42e88f18f30c275f52cea001b33ca62d8a3ff2d1 (patch) | |
| tree | 8e6a310b28be1590d02090c7963912cea44007ba | |
| parent | 69cb34f8859ed62fd1c46d3612912a334542fe28 (diff) | |
avcodec/ac3: Implement sum_square_butterfly_int32 for aarch64 NEON
Signed-off-by: Geoff Hill <geoff@geoffhill.org>
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rw-r--r-- | libavcodec/aarch64/ac3dsp_init_aarch64.c | 5 | ||||
| -rw-r--r-- | libavcodec/aarch64/ac3dsp_neon.S | 23 | ||||
| -rw-r--r-- | tests/checkasm/ac3dsp.c | 27 |
3 files changed, 55 insertions, 0 deletions
diff --git a/libavcodec/aarch64/ac3dsp_init_aarch64.c b/libavcodec/aarch64/ac3dsp_init_aarch64.c index 1bdc215b51..e95436c651 100644 --- a/libavcodec/aarch64/ac3dsp_init_aarch64.c +++ b/libavcodec/aarch64/ac3dsp_init_aarch64.c @@ -28,6 +28,10 @@ void ff_ac3_exponent_min_neon(uint8_t *exp, int num_reuse_blocks, int nb_coefs); void ff_ac3_extract_exponents_neon(uint8_t *exp, int32_t *coef, int nb_coefs); void ff_float_to_fixed24_neon(int32_t *dst, const float *src, size_t len); +void ff_ac3_sum_square_butterfly_int32_neon(int64_t sum[4], + const int32_t *coef0, + const int32_t *coef1, + int len); av_cold void ff_ac3dsp_init_aarch64(AC3DSPContext *c) { @@ -37,4 +41,5 @@ av_cold void ff_ac3dsp_init_aarch64(AC3DSPContext *c) c->ac3_exponent_min = ff_ac3_exponent_min_neon; c->extract_exponents = ff_ac3_extract_exponents_neon; c->float_to_fixed24 = ff_float_to_fixed24_neon; + c->sum_square_butterfly_int32 = ff_ac3_sum_square_butterfly_int32_neon; } diff --git a/libavcodec/aarch64/ac3dsp_neon.S b/libavcodec/aarch64/ac3dsp_neon.S index c350c1f173..77f9d20275 100644 --- a/libavcodec/aarch64/ac3dsp_neon.S +++ b/libavcodec/aarch64/ac3dsp_neon.S @@ -64,3 +64,26 @@ function ff_float_to_fixed24_neon, export=1 b.ne 1b ret endfunc + +function ff_ac3_sum_square_butterfly_int32_neon, export=1 + movi v0.2d, #0 + movi v1.2d, #0 + movi v2.2d, #0 + movi v3.2d, #0 +1: ld1 {v4.2s}, [x1], #8 + ld1 {v5.2s}, [x2], #8 + add v6.2s, v4.2s, v5.2s + sub v7.2s, v4.2s, v5.2s + smlal v0.2d, v4.2s, v4.2s + smlal v1.2d, v5.2s, v5.2s + smlal v2.2d, v6.2s, v6.2s + smlal v3.2d, v7.2s, v7.2s + subs w3, w3, #2 + b.gt 1b + addp d0, v0.2d + addp d1, v1.2d + addp d2, v2.2d + addp d3, v3.2d + st1 {v0.1d-v3.1d}, [x0] + ret +endfunc diff --git a/tests/checkasm/ac3dsp.c b/tests/checkasm/ac3dsp.c index dc1b169e68..573a76c764 100644 --- a/tests/checkasm/ac3dsp.c +++ b/tests/checkasm/ac3dsp.c @@ -139,6 +139,32 @@ static void check_float_to_fixed24(AC3DSPContext *c) { report("float_to_fixed24"); } +static void check_ac3_sum_square_butterfly_int32(AC3DSPContext *c) { +#define ELEMS 240 + LOCAL_ALIGNED_16(int32_t, lt, [ELEMS]); + LOCAL_ALIGNED_16(int32_t, rt, [ELEMS]); + LOCAL_ALIGNED_16(uint64_t, v1, [4]); + LOCAL_ALIGNED_16(uint64_t, v2, [4]); + + declare_func(void, int64_t[4], const int32_t *, const int32_t *, int); + + randomize_i24(lt, ELEMS); + randomize_i24(rt, ELEMS); + + if (check_func(c->sum_square_butterfly_int32, + "ac3_sum_square_bufferfly_int32")) { + call_ref(v1, lt, rt, ELEMS); + call_new(v2, lt, rt, ELEMS); + + if (memcmp(v1, v2, sizeof(int64_t[4])) != 0) + fail(); + + bench_new(v2, lt, rt, ELEMS); + } + + report("ac3_sum_square_butterfly_int32"); +} + void checkasm_check_ac3dsp(void) { AC3DSPContext c; @@ -147,4 +173,5 @@ void checkasm_check_ac3dsp(void) check_ac3_exponent_min(&c); check_ac3_extract_exponents(&c); check_float_to_fixed24(&c); + check_ac3_sum_square_butterfly_int32(&c); } |