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af_sweep: use option parser

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This commit is contained in:
wm4 2013-12-04 21:16:32 +01:00
parent d74419e6f0
commit ad8e3d8c30
1 changed files with 7 additions and 16 deletions
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23
audio/filter/af_sweep.c
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@ -36,7 +36,6 @@ typedef struct af_sweep_s{
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_sweept* s = (af_sweept*)af->setup;
struct mp_audio *data= (struct mp_audio*)arg;
switch(cmd){
@ -45,26 +44,14 @@ static int control(struct af_instance* af, int cmd, void* arg)
mp_audio_set_format(af->data, AF_FORMAT_S16);
return af_test_output(af, data);
case AF_CONTROL_COMMAND_LINE:
sscanf((char*)arg,"%lf", &s->delta);
return AF_OK;
/* case AF_CONTROL_RESAMPLE_RATE | AF_CONTROL_SET:
af->data->rate = *(int*)arg;
return AF_OK;*/
}
return AF_UNKNOWN;
}
// Deallocate memory
static void uninit(struct af_instance* af)
{
free(af->setup);
}
// Filter data through filter
static struct mp_audio* play(struct af_instance* af, struct mp_audio* data)
{
af_sweept *s = af->setup;
af_sweept *s = af->priv;
int i, j;
int16_t *in = (int16_t*)data->planes[0];
int chans = data->nch;
@ -82,14 +69,18 @@ static struct mp_audio* play(struct af_instance* af, struct mp_audio* data)
static int af_open(struct af_instance* af){
af->control=control;
af->uninit=uninit;
af->play=play;
af->setup=calloc(1,sizeof(af_sweept));
return AF_OK;
}
#define OPT_BASE_STRUCT af_sweept
struct af_info af_info_sweep = {
.info = "sine sweep",
.name = "sweep",
.open = af_open,
.priv_size = sizeof(af_sweept),
.options = (const struct m_option[]) {
OPT_DOUBLE("delta", delta, 0),
{0}
},
};