// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_gate_t* s = (af_gate_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;
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
// Time constant set to 0.1s
// s->alpha = (1.0/0.2)/(2.0*M_PI*(float)((af_data_t*)arg)->rate);
return af_test_output(af,(af_data_t*)arg);
case AF_CONTROL_COMMAND_LINE:{
/* float v=-10.0; */
/* float vol[AF_NCH]; */
/* float s=0.0; */
/* float clipp[AF_NCH]; */
/* int i; */
/* sscanf((char*)arg,"%f:%f", &v, &s); */
/* for(i=0;i<AF_NCH;i++){ */
/* vol[i]=v; */
/* clipp[i]=s; */
/* } */
/* if(AF_OK != control(af,AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_SET, clipp)) */
/* return AF_ERROR; */
/* return control(af,AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, vol); */
}
case AF_CONTROL_GATE_ON_OFF | AF_CONTROL_SET:
memcpy(s->enable,(int*)arg,AF_NCH*sizeof(int));
return AF_OK;
case AF_CONTROL_GATE_ON_OFF | AF_CONTROL_GET:
memcpy((int*)arg,s->enable,AF_NCH*sizeof(int));
return AF_OK;
case AF_CONTROL_GATE_THRESH | AF_CONTROL_SET:
return af_from_dB(AF_NCH,(float*)arg,s->tresh,20.0,-60.0,-1.0);
case AF_CONTROL_GATE_THRESH | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->tresh,(float*)arg,10.0);
case AF_CONTROL_GATE_ATTACK | AF_CONTROL_SET:
return af_from_ms(AF_NCH,(float*)arg,s->attack,af->data->rate,500.0,0.1);
case AF_CONTROL_GATE_ATTACK | AF_CONTROL_GET:
return af_to_ms(AF_NCH,s->attack,(float*)arg,af->data->rate);
case AF_CONTROL_GATE_RELEASE | AF_CONTROL_SET:
return af_from_ms(AF_NCH,(float*)arg,s->release,af->data->rate,3000.0,10.0);
case AF_CONTROL_GATE_RELEASE | AF_CONTROL_GET:
return af_to_ms(AF_NCH,s->release,(float*)arg,af->data->rate);
case AF_CONTROL_GATE_RANGE | AF_CONTROL_SET:
return af_from_dB(AF_NCH,(float*)arg,s->range,20.0,100.0,0.0);
case AF_CONTROL_GATE_RANGE | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->range,(float*)arg,10.0);
}
return AF_UNKNOWN;
}
void mixer_setvolume(mixer_t *mixer, float l, float r)
{
ao_control_vol_t vol;
vol.right=r; vol.left=l;
if(mixer->audio_out){
if(soft_vol ||
CONTROL_OK != mixer->audio_out->control(AOCONTROL_SET_VOLUME,&vol)) {
if (!mixer->afilter)
return;
else {
// af_volume uses values in dB
float db_vals[AF_NCH];
int i;
db_vals[0] = (l / 100.0) * (soft_vol_max / 100.0);
db_vals[1] = (r / 100.0) * (soft_vol_max / 100.0);
for (i = 2; i < AF_NCH; i++) {
db_vals[i] = ((l + r) / 100.0) * (soft_vol_max / 100.0) / 2.0;
}
af_to_dB (AF_NCH, db_vals, db_vals, 20.0);
if (!af_control_any_rev(mixer->afilter,
AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, db_vals)) {
mp_msg(MSGT_GLOBAL, MSGL_INFO, MSGTR_InsertingAfVolume);
if (af_add(mixer->afilter, "volume")) {
if (!af_control_any_rev(mixer->afilter,
AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, db_vals)) {
mp_msg(MSGT_GLOBAL, MSGL_ERR, MSGTR_NoVolume);
return;
}
}
}
}
}
}
mixer->muted=0;
}
static void setvolume_internal(mixer_t *mixer, float l, float r)
{
struct ao_control_vol vol = {.left = l, .right = r};
if (!mixer->softvol) {
// relies on the driver data being permanent (so ptr stays valid)
mixer->restore_volume = mixer->ao->no_persistent_volume ?
mixer->ao->driver->info->short_name : NULL;
if (ao_control(mixer->ao, AOCONTROL_SET_VOLUME, &vol) != CONTROL_OK)
mp_tmsg(MSGT_GLOBAL, MSGL_ERR,
"[Mixer] Failed to change audio output volume.\n");
return;
}
mixer->restore_volume = "softvol";
if (!mixer->afilter)
return;
// af_volume uses values in dB
float db_vals[AF_NCH];
int i;
db_vals[0] = (l / 100.0) * (mixer->softvol_max / 100.0);
db_vals[1] = (r / 100.0) * (mixer->softvol_max / 100.0);
for (i = 2; i < AF_NCH; i++)
db_vals[i] = ((l + r) / 100.0) * (mixer->softvol_max / 100.0) / 2.0;
af_to_dB(AF_NCH, db_vals, db_vals, 20.0);
if (!af_control_any_rev(mixer->afilter,
AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET,
db_vals))
{
mp_tmsg(MSGT_GLOBAL, mixer->softvol ? MSGL_V : MSGL_WARN,
"[Mixer] No hardware mixing, inserting volume filter.\n");
if (!(af_add(mixer->afilter, "volume")
&& af_control_any_rev(mixer->afilter,
AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET,
db_vals)))
mp_tmsg(MSGT_GLOBAL, MSGL_ERR,
"[Mixer] No volume control available.\n");
}
}
// 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;
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;
}
else{
// Cutoff set to 10Hz for forgetting factor
float x = 2.0*M_PI*15.0/(float)af->data->rate;
float t = 2.0-cos(x);
s->time = 1.0 - (t - sqrt(t*t - 1));
mp_msg(MSGT_AFILTER, MSGL_DBG2, "[volume] Forgetting factor = %0.5f\n",s->time);
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
}
return af_test_output(af,(af_data_t*)arg);
case AF_CONTROL_COMMAND_LINE:{
float v=0.0;
float vol[AF_NCH];
int i;
sscanf((char*)arg,"%f:%i", &v, &s->soft);
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) ==
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;
case AF_CONTROL_VOLUME_ON_OFF | AF_CONTROL_GET:
memcpy((int*)arg,s->enable,AF_NCH*sizeof(int));
return AF_OK;
case AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_SET:
s->soft = *(int*)arg;
return AF_OK;
case AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_GET:
*(int*)arg = s->soft;
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:
return af_to_dB(AF_NCH,s->level,(float*)arg,20.0);
case AF_CONTROL_VOLUME_PROBE | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->pow,(float*)arg,10.0);
case AF_CONTROL_VOLUME_PROBE_MAX | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->max,(float*)arg,10.0);
case AF_CONTROL_PRE_DESTROY:{
float m = 0.0;
int i;
if(!s->fast){
for(i=0;i<AF_NCH;i++)
m=max(m,s->max[i]);
af_to_dB(1, &m, &m, 10.0);
mp_msg(MSGT_AFILTER, MSGL_INFO, "[volume] The maximum volume was %0.2fdB \n", m);
}
return AF_OK;
}
}
return AF_UNKNOWN;
}