diff options
Diffstat (limited to 'libaf/af_volume.c')
| -rw-r--r-- | libaf/af_volume.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/libaf/af_volume.c b/libaf/af_volume.c index 127db7b37a..59cdc5973e 100644 --- a/libaf/af_volume.c +++ b/libaf/af_volume.c @@ -31,12 +31,12 @@ probing is enable by AF_CONTROL_VOLUME_PROBE_ON_OFF and is done on a per channel basis. The result from the probing is obtained using AF_CONTROL_VOLUME_PROBE_GET and AF_CONTROL_VOLUME_PROBE_GET_MAX. The - probed values are calculated in dB. + probed values are calculated in dB. */ #include <stdio.h> #include <stdlib.h> -#include <string.h> +#include <string.h> #include <inttypes.h> #include <math.h> @@ -59,16 +59,16 @@ typedef struct af_volume_s // Initialization and runtime control static int control(struct af_instance_s* af, int cmd, void* arg) { - af_volume_t* s = (af_volume_t*)af->setup; + af_volume_t* s = (af_volume_t*)af->setup; switch(cmd){ case AF_CONTROL_REINIT: // Sanity check if(!arg) return AF_ERROR; - + af->data->rate = ((af_data_t*)arg)->rate; af->data->nch = ((af_data_t*)arg)->nch; - + if(s->fast && (((af_data_t*)arg)->format != (AF_FORMAT_FLOAT_NE))){ af->data->format = AF_FORMAT_S16_NE; af->data->bps = 2; @@ -91,22 +91,22 @@ static int control(struct af_instance_s* af, int cmd, void* arg) for(i=0;i<AF_NCH;i++) vol[i]=v; return control(af,AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, vol); } - case AF_CONTROL_POST_CREATE: - s->fast = ((((af_cfg_t*)arg)->force & AF_INIT_FORMAT_MASK) == + case AF_CONTROL_POST_CREATE: + s->fast = ((((af_cfg_t*)arg)->force & AF_INIT_FORMAT_MASK) == AF_INIT_FLOAT) ? 0 : 1; return AF_OK; case AF_CONTROL_VOLUME_ON_OFF | AF_CONTROL_SET: memcpy(s->enable,(int*)arg,AF_NCH*sizeof(int)); - return AF_OK; + return AF_OK; case AF_CONTROL_VOLUME_ON_OFF | AF_CONTROL_GET: memcpy((int*)arg,s->enable,AF_NCH*sizeof(int)); - return AF_OK; + return AF_OK; case AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_SET: s->soft = *(int*)arg; - return AF_OK; + return AF_OK; case AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_GET: *(int*)arg = s->soft; - return AF_OK; + return AF_OK; case AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET: return af_from_dB(AF_NCH,(float*)arg,s->level,20.0,-200.0,60.0); case AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_GET: @@ -130,7 +130,7 @@ static int control(struct af_instance_s* af, int cmd, void* arg) return AF_UNKNOWN; } -// Deallocate memory +// Deallocate memory static void uninit(struct af_instance_s* af) { if(af->data) @@ -145,7 +145,7 @@ static af_data_t* play(struct af_instance_s* af, af_data_t* data) af_data_t* c = data; // Current working data af_volume_t* s = (af_volume_t*)af->setup; // Setup for this instance int ch = 0; // Channel counter - register int nch = c->nch; // Number of channels + register int nch = c->nch; // Number of channels register int i = 0; // Basic operation volume control only (used on slow machines) @@ -154,7 +154,7 @@ static af_data_t* play(struct af_instance_s* af, af_data_t* data) int len = c->len/2; // Number of samples for(ch = 0; ch < nch ; ch++){ if(s->enable[ch]){ - register int vol = (int)(255.0 * s->level[ch]); + register int vol = (int)(255.0 * s->level[ch]); for(i=ch;i<len;i+=nch){ register int x = (a[i] * vol) >> 8; a[i]=clamp(x,SHRT_MIN,SHRT_MAX); @@ -163,7 +163,7 @@ static af_data_t* play(struct af_instance_s* af, af_data_t* data) } } // Machine is fast and data is floating point - else if(af->data->format == (AF_FORMAT_FLOAT_NE)){ + else if(af->data->format == (AF_FORMAT_FLOAT_NE)){ float* a = (float*)c->audio; // Audio data int len = c->len/4; // Number of samples for(ch = 0; ch < nch ; ch++){ @@ -172,7 +172,7 @@ static af_data_t* play(struct af_instance_s* af, af_data_t* data) float t = 1.0 - s->time; for(i=ch;i<len;i+=nch){ register float x = a[i]; - register float pow = x*x; + register float pow = x*x; // Check maximum power value if(pow > s->max[ch]) s->max[ch] = pow; |