Better rate allocation for stereo SILK in hybrid mode
[opus.git] / silk / arm / biquad_alt_arm.h
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27
28 #ifndef SILK_BIQUAD_ALT_ARM_H
29 # define SILK_BIQUAD_ALT_ARM_H
30
31 # include "celt/arm/armcpu.h"
32
33 # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
34 void silk_biquad_alt_stride2_neon(
35     const opus_int16            *in,                /* I     input signal                                               */
36     const opus_int32            *B_Q28,             /* I     MA coefficients [3]                                        */
37     const opus_int32            *A_Q28,             /* I     AR coefficients [2]                                        */
38     opus_int32                  *S,                 /* I/O   State vector [4]                                           */
39     opus_int16                  *out,               /* O     output signal                                              */
40     const opus_int32            len                 /* I     signal length (must be even)                               */
41 );
42
43 #  if !defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_PRESUME_NEON)
44 #   define OVERRIDE_silk_biquad_alt_stride2                   (1)
45 #   define silk_biquad_alt_stride2(in, B_Q28, A_Q28, S, out, len, arch) ((void)(arch), PRESUME_NEON(silk_biquad_alt_stride2)(in, B_Q28, A_Q28, S, out, len))
46 #  endif
47 # endif
48
49 # if !defined(OVERRIDE_silk_biquad_alt_stride2)
50 /*Is run-time CPU detection enabled on this platform?*/
51 #  if defined(OPUS_HAVE_RTCD) && (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR))
52 extern void (*const SILK_BIQUAD_ALT_STRIDE2_IMPL[OPUS_ARCHMASK+1])(
53         const opus_int16            *in,                /* I     input signal                                               */
54         const opus_int32            *B_Q28,             /* I     MA coefficients [3]                                        */
55         const opus_int32            *A_Q28,             /* I     AR coefficients [2]                                        */
56         opus_int32                  *S,                 /* I/O   State vector [4]                                           */
57         opus_int16                  *out,               /* O     output signal                                              */
58         const opus_int32            len                 /* I     signal length (must be even)                               */
59     );
60 #   define OVERRIDE_silk_biquad_alt_stride2                  (1)
61 #   define silk_biquad_alt_stride2(in, B_Q28, A_Q28, S, out, len, arch) ((*SILK_BIQUAD_ALT_STRIDE2_IMPL[(arch)&OPUS_ARCHMASK])(in, B_Q28, A_Q28, S, out, len))
62 #  elif defined(OPUS_ARM_PRESUME_NEON_INTR)
63 #   define OVERRIDE_silk_biquad_alt_stride2                  (1)
64 #   define silk_biquad_alt_stride2(in, B_Q28, A_Q28, S, out, len, arch) ((void)(arch), silk_biquad_alt_stride2_neon(in, B_Q28, A_Q28, S, out, len))
65 #  endif
66 # endif
67
68 #endif /* end SILK_BIQUAD_ALT_ARM_H */