Signed-off-by: Mans Rullgard <[email protected]>
---
libavcodec/arm/ac3dsp_init_arm.c | 2 ++
libavcodec/arm/ac3dsp_neon.S | 14 ++++++++++++++
2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/libavcodec/arm/ac3dsp_init_arm.c b/libavcodec/arm/ac3dsp_init_arm.c
index 6874546..03200e6 100644
--- a/libavcodec/arm/ac3dsp_init_arm.c
+++ b/libavcodec/arm/ac3dsp_init_arm.c
@@ -27,6 +27,7 @@ void ff_ac3_exponent_min_neon(uint8_t *exp, int
num_reuse_blocks, int nb_coefs);
int ff_ac3_max_msb_abs_int16_neon(const int16_t *src, int len);
void ff_ac3_lshift_int16_neon(int16_t *src, unsigned len, unsigned shift);
void ff_ac3_rshift_int32_neon(int32_t *src, unsigned len, unsigned shift);
+void ff_float_to_fixed24_neon(int32_t *dst, const float *src, unsigned int
len);
av_cold void ff_ac3dsp_init_arm(AC3DSPContext *c, int bit_exact)
{
@@ -35,5 +36,6 @@ av_cold void ff_ac3dsp_init_arm(AC3DSPContext *c, int
bit_exact)
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_neon;
c->ac3_lshift_int16 = ff_ac3_lshift_int16_neon;
c->ac3_rshift_int32 = ff_ac3_rshift_int32_neon;
+ c->float_to_fixed24 = ff_float_to_fixed24_neon;
}
}
diff --git a/libavcodec/arm/ac3dsp_neon.S b/libavcodec/arm/ac3dsp_neon.S
index 43d4e61..d33d978 100644
--- a/libavcodec/arm/ac3dsp_neon.S
+++ b/libavcodec/arm/ac3dsp_neon.S
@@ -78,3 +78,17 @@ function ff_ac3_rshift_int32_neon, export=1
bgt 1b
bx lr
endfunc
+
+function ff_float_to_fixed24_neon, export=1
+1: vld1.32 {q0-q1}, [r1,:128]!
+ vcvt.s32.f32 q0, q0, #24
+ vld1.32 {q2-q3}, [r1,:128]!
+ vcvt.s32.f32 q1, q1, #24
+ vcvt.s32.f32 q2, q2, #24
+ vst1.32 {q0-q1}, [r0,:128]!
+ vcvt.s32.f32 q3, q3, #24
+ vst1.32 {q2-q3}, [r0,:128]!
+ subs r2, r2, #16
+ bgt 1b
+ bx lr
+endfunc
--
1.7.4.1
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