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)
{
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;
}
}
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