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;
}
void mixer_setbalance(mixer_t *mixer, float val)
{
float level[AF_NCH];
int i;
af_control_ext_t arg_ext = { .arg = level };
af_instance_t* af_pan_balance;
if(!mixer->afilter)
return;
if (af_control_any_rev(mixer->afilter,
AF_CONTROL_PAN_BALANCE | AF_CONTROL_SET, &val))
return;
if (!(af_pan_balance = af_add(mixer->afilter, "pan"))) {
mp_msg(MSGT_GLOBAL, MSGL_ERR, MSGTR_NoBalance);
return;
}
af_init(mixer->afilter);
/* make all other channels pass thru since by default pan blocks all */
memset(level, 0, sizeof(level));
for (i = 2; i < AF_NCH; i++) {
arg_ext.ch = i;
level[i] = 1.f;
af_pan_balance->control(af_pan_balance,
AF_CONTROL_PAN_LEVEL | AF_CONTROL_SET, &arg_ext);
level[i] = 0.f;
}
af_pan_balance->control(af_pan_balance,
AF_CONTROL_PAN_BALANCE | AF_CONTROL_SET, &val);
}
static int try_filter(struct MPContext *mpctx,
char *name, char *label, char **args)
{
struct dec_audio *d_audio = mpctx->d_audio;
if (af_find_by_label(d_audio->afilter, label))
return 0;
struct af_instance *af = af_add(d_audio->afilter, name, args);
if (!af)
return -1;
af->label = talloc_strdup(af, label);
return 1;
}
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");
}
}
