diff options
Diffstat (limited to 'libaf/af_resample_template.c')
| -rw-r--r-- | libaf/af_resample_template.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/libaf/af_resample_template.c b/libaf/af_resample_template.c index 03b0f1a78b..4d4c5922ca 100644 --- a/libaf/af_resample_template.c +++ b/libaf/af_resample_template.c @@ -21,8 +21,8 @@ /* This file contains the resampling engine, the sample format is controlled by the FORMAT parameter, the filter length by the L parameter and the resampling type by UP and DN. This file should - only be included by af_resample.c -*/ + only be included by af_resample.c +*/ #undef L #undef SHIFT @@ -46,16 +46,16 @@ #if defined(FORMAT_I) #define SHIFT >>16 #define FORMAT int16_t -#else +#else #define SHIFT #define FORMAT float #endif // Short filter -#if defined(L8) +#if defined(L8) #define L 8 // Filter length -// Unrolled loop to speed up execution +// Unrolled loop to speed up execution #define FIR(x,w,y) \ (y[0]) = ( w[0]*x[0]+w[1]*x[1]+w[2]*x[2]+w[3]*x[3] \ + w[4]*x[4]+w[5]*x[5]+w[6]*x[6]+w[7]*x[7] ) SHIFT @@ -65,7 +65,7 @@ #else /* L8/L16 */ #define L 16 -// Unrolled loop to speed up execution +// Unrolled loop to speed up execution #define FIR(x,w,y) \ y[0] = ( w[0] *x[0] +w[1] *x[1] +w[2] *x[2] +w[3] *x[3] \ + w[4] *x[4] +w[5] *x[5] +w[6] *x[6] +w[7] *x[7] \ @@ -74,7 +74,7 @@ #endif /* L8/L16 */ -// Macro to add data to circular que +// Macro to add data to circular que #define ADDQUE(xi,xq,in)\ xq[xi]=xq[(xi)+L]=*(in);\ xi=((xi)-1)&(L-1); @@ -83,15 +83,15 @@ uint32_t ci = l->nch; // Index for channels uint32_t nch = l->nch; // Number of channels - uint32_t inc = s->up/s->dn; - uint32_t level = s->up%s->dn; + uint32_t inc = s->up/s->dn; + uint32_t level = s->up%s->dn; uint32_t up = s->up; uint32_t dn = s->dn; uint32_t ns = c->len/l->bps; register FORMAT* w = s->w; register uint32_t wi = 0; - register uint32_t xi = 0; + register uint32_t xi = 0; // Index current channel while(ci--){ @@ -126,8 +126,8 @@ #if defined(DN) /* DN */ uint32_t ci = l->nch; // Index for channels uint32_t nch = l->nch; // Number of channels - uint32_t inc = s->dn/s->up; - uint32_t level = s->dn%s->up; + uint32_t inc = s->dn/s->up; + uint32_t level = s->dn%s->up; uint32_t up = s->up; uint32_t dn = s->dn; uint32_t ns = c->len/l->bps; @@ -136,7 +136,7 @@ register int32_t i = 0; register uint32_t wi = 0; register uint32_t xi = 0; - + // Index current channel while(ci--){ // Temporary pointers @@ -156,7 +156,7 @@ len++; out+=nch; // Update wi to point at the correct polyphase component - wi=(wi+dn)%up; + wi=(wi+dn)%up; // Insert i number of new samples in queue i = inc; |