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adapter-control: avoid the divide by zero while generating sequence.

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This commit is contained in:
Ashok Sidipotu 2023-04-05 16:33:09 +05:30
parent 7dbad54ae5
commit 805a1c61d9
1 changed files with 20 additions and 14 deletions
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34
spa/examples/adapter-control.c
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@ -309,27 +309,33 @@ exit_cleanup:
return res; return res;
} }
static unsigned int get_ramp_samples(struct data *data) static int get_ramp_samples(struct data *data)
{ {
int samples = -1;
if (data->volume_ramp_samples) if (data->volume_ramp_samples)
return data->volume_ramp_samples; samples = data->volume_ramp_samples;
else if (data->volume_ramp_time) { else if (data->volume_ramp_time) {
unsigned int samples = (data->volume_ramp_time * 48000) / 1000; samples = (data->volume_ramp_time * 48000) / 1000;
return samples;
} }
return 0; if (!samples)
samples = -1;
return samples;
} }
static unsigned int get_ramp_step_samples(struct data *data) static int get_ramp_step_samples(struct data *data)
{ {
int samples = -1;
if (data->volume_ramp_step_samples) if (data->volume_ramp_step_samples)
return data->volume_ramp_step_samples; samples = data->volume_ramp_step_samples;
else if (data->volume_ramp_step_time) { else if (data->volume_ramp_step_time) {
/* convert the step time which is in nano seconds to seconds */ /* convert the step time which is in nano seconds to seconds */
unsigned int samples = (data->volume_ramp_step_time / 1000) * (48000 / 1000); samples = (data->volume_ramp_step_time / 1000) * (48000 / 1000);
return samples;
} }
return 0; if (!samples)
samples = -1;
return samples;
} }
static double get_volume_at_scale(struct data *data) static double get_volume_at_scale(struct data *data)
@ -349,8 +355,8 @@ static int fade_in(struct data *data)
struct spa_pod_builder b; struct spa_pod_builder b;
struct spa_pod_frame f[1]; struct spa_pod_frame f[1];
void *buffer = data->control_buffer->datas[0].data; void *buffer = data->control_buffer->datas[0].data;
unsigned int ramp_samples = get_ramp_samples(data); int ramp_samples = get_ramp_samples(data);
unsigned int ramp_step_samples = get_ramp_step_samples(data); int ramp_step_samples = get_ramp_step_samples(data);
double step_size = ((double) ramp_step_samples / (double) ramp_samples); double step_size = ((double) ramp_step_samples / (double) ramp_samples);
uint32_t buffer_size = data->control_buffer->datas[0].maxsize; uint32_t buffer_size = data->control_buffer->datas[0].maxsize;
data->control_buffer->datas[0].chunk[0].size = buffer_size; data->control_buffer->datas[0].chunk[0].size = buffer_size;
@ -398,8 +404,8 @@ static int fade_out(struct data *data)
if (spa_streq (data->mode, NON_NATIVE)) { if (spa_streq (data->mode, NON_NATIVE)) {
struct spa_pod_builder b; struct spa_pod_builder b;
struct spa_pod_frame f[1]; struct spa_pod_frame f[1];
unsigned int ramp_samples = get_ramp_samples(data); int ramp_samples = get_ramp_samples(data);
unsigned int ramp_step_samples = get_ramp_step_samples(data); int ramp_step_samples = get_ramp_step_samples(data);
double step_size = ((double) ramp_step_samples / (double) ramp_samples); double step_size = ((double) ramp_step_samples / (double) ramp_samples);