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af_extrastereo: use option parser

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wm4 2013-12-04 21:15:40 +01:00
parent 2c23fae344
commit aaccf9d5e9
1 changed files with 8 additions and 22 deletions
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30
audio/filter/af_extrastereo.c
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@ -41,8 +41,6 @@ static struct mp_audio* play_float(struct af_instance* af, struct mp_audio* data
// Initialization and runtime control // Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg) static int control(struct af_instance* af, int cmd, void* arg)
{ {
af_extrastereo_t* s = (af_extrastereo_t*)af->setup;
switch(cmd){ switch(cmd){
case AF_CONTROL_REINIT:{ case AF_CONTROL_REINIT:{
// Sanity check // Sanity check
@ -62,26 +60,14 @@ static int control(struct af_instance* af, int cmd, void* arg)
return af_test_output(af,(struct mp_audio*)arg); return af_test_output(af,(struct mp_audio*)arg);
} }
case AF_CONTROL_COMMAND_LINE:{
float f;
sscanf((char*)arg,"%f", &f);
s->mul = f;
return AF_OK;
}
} }
return AF_UNKNOWN; return AF_UNKNOWN;
} }
// Deallocate memory
static void uninit(struct af_instance* af)
{
free(af->setup);
}
// Filter data through filter // Filter data through filter
static struct mp_audio* play_s16(struct af_instance* af, struct mp_audio* data) static struct mp_audio* play_s16(struct af_instance* af, struct mp_audio* data)
{ {
af_extrastereo_t *s = af->setup; af_extrastereo_t *s = af->priv;
register int i = 0; register int i = 0;
int16_t *a = (int16_t*)data->planes[0]; // Audio data int16_t *a = (int16_t*)data->planes[0]; // Audio data
int len = data->samples*data->nch; // Number of samples int len = data->samples*data->nch; // Number of samples
@ -103,7 +89,7 @@ static struct mp_audio* play_s16(struct af_instance* af, struct mp_audio* data)
static struct mp_audio* play_float(struct af_instance* af, struct mp_audio* data) static struct mp_audio* play_float(struct af_instance* af, struct mp_audio* data)
{ {
af_extrastereo_t *s = af->setup; af_extrastereo_t *s = af->priv;
register int i = 0; register int i = 0;
float *a = (float*)data->planes[0]; // Audio data float *a = (float*)data->planes[0]; // Audio data
int len = data->samples * data->nch; // Number of samples int len = data->samples * data->nch; // Number of samples
@ -126,20 +112,20 @@ static struct mp_audio* play_float(struct af_instance* af, struct mp_audio* data
// Allocate memory and set function pointers // Allocate memory and set function pointers
static int af_open(struct af_instance* af){ static int af_open(struct af_instance* af){
af->control=control; af->control=control;
af->uninit=uninit;
af->play=play_s16; af->play=play_s16;
af->setup=calloc(1,sizeof(af_extrastereo_t));
if(af->setup == NULL)
return AF_ERROR;
((af_extrastereo_t*)af->setup)->mul = 2.5;
return AF_OK; return AF_OK;
} }
// Description of this filter #define OPT_BASE_STRUCT af_extrastereo_t
struct af_info af_info_extrastereo = { struct af_info af_info_extrastereo = {
.info = "Increase difference between audio channels", .info = "Increase difference between audio channels",
.name = "extrastereo", .name = "extrastereo",
.flags = AF_FLAGS_NOT_REENTRANT, .flags = AF_FLAGS_NOT_REENTRANT,
.open = af_open, .open = af_open,
.priv_size = sizeof(af_extrastereo_t),
.options = (const struct m_option[]) {
OPT_FLOAT("mul", mul, 0, OPTDEF_FLOAT(2.5)),
{0}
},
}; };