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spa: make null-sink rate and channels configurable

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This commit is contained in:
Wim Taymans 2020-11-25 21:05:21 +01:00
parent 9bf7be7984
commit c3138a9bac
1 changed files with 19 additions and 2 deletions
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21
spa/plugins/support/null-audio-sink.c
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@ -53,6 +53,9 @@ static void reset_props(struct props *props)
{
}
#define DEFAULT_CHANNELS 2
#define DEFAULT_RATE 44100
#define MAX_SAMPLES 8192
#define MAX_BUFFERS 16
#define MAX_PORTS 1
@ -89,6 +92,8 @@ struct impl {
struct spa_loop *data_loop;
struct spa_system *data_system;
uint32_t default_rate;
uint32_t default_channels;
struct props props;
uint64_t info_all;
@ -356,8 +361,8 @@ port_enum_formats(struct impl *this,
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_audio),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
SPA_FORMAT_AUDIO_format, SPA_POD_Id(SPA_AUDIO_FORMAT_F32),
SPA_FORMAT_AUDIO_rate, SPA_POD_CHOICE_RANGE_Int(44100, 1, INT32_MAX),
SPA_FORMAT_AUDIO_channels, SPA_POD_CHOICE_RANGE_Int(2, 1, INT32_MAX));
SPA_FORMAT_AUDIO_rate, SPA_POD_CHOICE_RANGE_Int(this->default_rate, 1, INT32_MAX),
SPA_FORMAT_AUDIO_channels, SPA_POD_CHOICE_RANGE_Int(this->default_channels, 1, INT32_MAX));
break;
default:
return 0;
@ -687,6 +692,7 @@ impl_init(const struct spa_handle_factory *factory,
{
struct impl *this;
struct port *port;
uint32_t i;
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(handle != NULL, -EINVAL);
@ -752,6 +758,17 @@ impl_init(const struct spa_handle_factory *factory,
spa_loop_add_source(this->data_loop, &this->timer_source);
this->default_channels = DEFAULT_CHANNELS;
this->default_rate = DEFAULT_RATE;
for (i = 0; info && i < info->n_items; i++) {
if (!strcmp(info->items[i].key, SPA_KEY_AUDIO_CHANNELS)) {
this->default_channels = atoi(info->items[i].value);
} else if (!strcmp(info->items[i].key, SPA_KEY_AUDIO_RATE)) {
this->default_rate = atoi(info->items[i].value);
}
}
spa_log_info(this->log, NAME " %p: initialized", this);
return 0;