// Save indexes
s->i = i; s->ri = ri; s->wi = wi;
// Set output data
data->planes[0] = af->data->planes[0];
mp_audio_set_channels_old(data, af->data->nch);
return 0;
}
static int af_open(struct af_instance* af){
af->control=control;
af->filter=filter;
return AF_OK;
}
#define OPT_BASE_STRUCT af_surround_t
const struct af_info af_info_surround =
{
.info = "Surround decoder filter",
.name = "surround",
.flags = AF_FLAGS_NOT_REENTRANT,
.open = af_open,
.priv_size = sizeof(af_surround_t),
.options = (const struct m_option[]) {
OPT_FLOATRANGE("d", d, 0, 0, 1000, OPTDEF_FLOAT(20.0)),
{0}
},
};
int i = 0;
af->control=control;
af->filter_frame = filter;
af_drc_t *priv = af->priv;
priv->mul = MUL_INIT;
priv->lastavg = ((float)SHRT_MAX) * DEFAULT_TARGET;
priv->idx = 0;
for (i = 0; i < NSAMPLES; i++)
{
priv->mem[i].len = 0;
priv->mem[i].avg = 0;
}
priv->mid_s16 = ((float)SHRT_MAX) * priv->mid_float;
return AF_OK;
}
#define OPT_BASE_STRUCT af_drc_t
const struct af_info af_info_drc = {
.info = "Dynamic range compression filter",
.name = "drc",
.flags = AF_FLAGS_NOT_REENTRANT,
.open = af_open,
.priv_size = sizeof(af_drc_t),
.options = (const struct m_option[]) {
OPT_INTRANGE("method", method, 0, 1, 2, OPTDEF_INT(1)),
OPT_FLOAT("target", mid_float, 0, OPTDEF_FLOAT(DEFAULT_TARGET)),
{0}
},
};
}
if (data->format == AF_FORMAT_FLOAT) {
play_float(af->priv, data);
} else {
play_s16(af->priv, data);
}
af_add_output_frame(af, data);
return 0;
}
// Allocate memory and set function pointers
static int af_open(struct af_instance* af){
af->control=control;
af->filter_frame = filter_frame;
return AF_OK;
}
#define OPT_BASE_STRUCT af_extrastereo_t
const struct af_info af_info_extrastereo = {
.info = "Increase difference between audio channels",
.name = "extrastereo",
.flags = AF_FLAGS_NOT_REENTRANT,
.open = af_open,
.priv_size = sizeof(af_extrastereo_t),
.options = (const struct m_option[]) {
OPT_FLOAT("mul", mul, 0, OPTDEF_FLOAT(2.5)),
{0}
},
};
