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echo-cancel: reset buffers in suspend

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Or else some stay samples from the previous run might be played when
resuming.
This commit is contained in:
Wim Taymans 2023-04-04 10:14:49 +02:00
parent 9664787cff
commit 8b1902c825
1 changed files with 32 additions and 9 deletions
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41
src/modules/module-echo-cancel.c
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@ -564,6 +564,27 @@ static void source_state_changed(void *data, enum pw_stream_state old,
}
}
static void reset_buffers(struct impl *impl)
{
uint32_t index, i;
spa_ringbuffer_init(&impl->rec_ring);
spa_ringbuffer_init(&impl->play_ring);
spa_ringbuffer_init(&impl->play_delayed_ring);
spa_ringbuffer_init(&impl->out_ring);
for (i = 0; i < impl->info.channels; i++) {
memset(impl->rec_buffer[i], 0, impl->rec_ringsize);
memset(impl->play_buffer[i], 0, impl->play_ringsize);
memset(impl->out_buffer[i], 0, impl->out_ringsize);
}
spa_ringbuffer_get_write_index(&impl->play_ring, &index);
spa_ringbuffer_write_update(&impl->play_ring, index + (sizeof(float) * (impl->buffer_delay)));
spa_ringbuffer_get_read_index(&impl->play_ring, &index);
spa_ringbuffer_read_update(&impl->play_ring, index + (sizeof(float) * (impl->buffer_delay)));
}
static void input_param_latency_changed(struct impl *impl, const struct spa_pod *param)
{
struct spa_latency_info latency;
@ -647,7 +668,12 @@ static void input_param_changed(void *data, uint32_t id, const struct spa_pod* p
struct spa_pod_object* obj = (struct spa_pod_object*)param;
const struct spa_pod_prop* prop;
struct impl* impl = data;
switch (id) {
case SPA_PARAM_Format:
if (param == NULL)
reset_buffers(impl);
break;
case SPA_PARAM_Latency:
input_param_latency_changed(impl, param);
break;
@ -748,7 +774,12 @@ static void output_param_changed(void *data, uint32_t id, const struct spa_pod *
struct spa_pod_object *obj = (struct spa_pod_object *) param;
const struct spa_pod_prop *prop;
struct impl *impl = data;
switch (id) {
case SPA_PARAM_Format:
if (param == NULL)
reset_buffers(impl);
break;
case SPA_PARAM_Latency:
output_param_latency_changed(impl, param);
break;
@ -877,7 +908,6 @@ static int setup_streams(struct impl *impl)
uint32_t offsets[512];
const struct spa_pod *params[512];
struct spa_pod_dynamic_builder b;
uint32_t index;
impl->capture = pw_stream_new(impl->core,
"Echo-Cancel Capture", impl->capture_props);
@ -1012,15 +1042,8 @@ static int setup_streams(struct impl *impl)
impl->play_buffer[i] = malloc(impl->play_ringsize);
impl->out_buffer[i] = malloc(impl->out_ringsize);
}
spa_ringbuffer_init(&impl->rec_ring);
spa_ringbuffer_init(&impl->play_ring);
spa_ringbuffer_init(&impl->play_delayed_ring);
spa_ringbuffer_init(&impl->out_ring);
spa_ringbuffer_get_write_index(&impl->play_ring, &index);
spa_ringbuffer_write_update(&impl->play_ring, index + (sizeof(float) * (impl->buffer_delay)));
spa_ringbuffer_get_read_index(&impl->play_ring, &index);
spa_ringbuffer_read_update(&impl->play_ring, index + (sizeof(float) * (impl->buffer_delay)));
reset_buffers(impl);
return 0;
}