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media-session: express quantum relative to rate

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This commit is contained in:
Wim Taymans 2018-07-03 21:55:08 +02:00
parent 9417cdd9e6
commit 70b04da723
3 changed files with 19 additions and 18 deletions
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2
src/modules/module-client-node/client-stream.c
View file

@ -774,7 +774,7 @@ static int impl_node_process(struct spa_node *node)
int status, trigger;
impl->ctrl.min_size = impl->ctrl.max_size =
impl->this.node->driver_node->rt.quantum->size;
impl->this.node->driver_node->rt.quantum->size * sizeof(float);
spa_log_trace(this->log, "%p: process %d", this, impl->ctrl.max_size);

33
src/modules/module-media-session.c
View file

@ -50,8 +50,9 @@ static const struct spa_dict_item module_props[] = {
#define DEFAULT_CHANNELS 2
#define DEFAULT_SAMPLE_RATE 48000
#define DEFAULT_BUFFER_SIZE (64 * sizeof(float))
#define MAX_BUFFER_SIZE (1024 * sizeof(float))
#define MIN_QUANTUM_SIZE 64
#define MAX_QUANTUM_SIZE 1024
struct type {
struct spa_type_media_type media_type;
@ -109,7 +110,7 @@ struct session {
bool busy;
bool exclusive;
int sample_rate;
int buffer_size;
int quantum_size;
struct spa_list node_list;
};
@ -123,7 +124,7 @@ struct node_info {
struct spa_hook node_listener;
uint32_t sample_rate;
uint32_t buffer_size;
uint32_t quantum_size;
struct spa_list links;
};
@ -314,25 +315,25 @@ static void reconfigure_session(struct session *sess)
{
struct node_info *ni;
struct impl *impl = sess->impl;
uint32_t buffer_size = MAX_BUFFER_SIZE;
uint32_t quantum_size = MAX_QUANTUM_SIZE;
spa_list_for_each(ni, &sess->node_list, l) {
if (ni->buffer_size > 0)
buffer_size = SPA_MIN(buffer_size, ni->buffer_size);
if (ni->quantum_size > 0)
quantum_size = SPA_MIN(quantum_size, ni->quantum_size);
}
if (spa_list_is_empty(&sess->node_list)) {
sess->exclusive = false;
sess->busy = false;
}
sess->buffer_size = buffer_size;
sess->quantum_size = quantum_size;
sess->node->rt.quantum->rate.num = 1;
sess->node->rt.quantum->rate.denom = sess->sample_rate;
sess->node->rt.quantum->size = sess->buffer_size;
sess->node->rt.quantum->size = sess->quantum_size;
pw_log_info("module %p: driver node:%p quantum:%d/%d",
impl, sess->node, sess->sample_rate, buffer_size);
impl, sess->node, sess->sample_rate, quantum_size);
}
static void node_info_destroy(void *data)
@ -461,7 +462,7 @@ static int handle_autoconnect(struct impl *impl, struct pw_node *node,
enum pw_direction direction;
struct session *session;
struct node_info *info;
uint32_t sample_rate, buffer_size;
uint32_t sample_rate, quantum_size;
int res;
str = pw_properties_get(props, PW_NODE_PROP_AUTOCONNECT);
@ -526,13 +527,13 @@ static int handle_autoconnect(struct impl *impl, struct pw_node *node,
session = find.sess;
sample_rate = session->sample_rate;
buffer_size = session->buffer_size;
quantum_size = session->quantum_size;
if ((str = pw_properties_get(props, "node.latency")) != NULL) {
uint32_t num, denom;
pw_log_info("module %p: '%s'", impl, str);
if (sscanf(str, "%u/%u", &num, &denom) == 2 && denom != 0) {
buffer_size = flp2((num * sample_rate / denom) * sizeof(float));
quantum_size = flp2((num * sample_rate / denom));
}
}
@ -570,7 +571,7 @@ static int handle_autoconnect(struct impl *impl, struct pw_node *node,
info->session = session;
info->node = node;
info->sample_rate = sample_rate;
info->buffer_size = buffer_size;
info->quantum_size = quantum_size;
spa_list_init(&info->links);
spa_list_append(&session->node_list, &info->l);
@ -759,7 +760,7 @@ static int on_global(void *data, struct pw_global *global)
direction,
channels,
rate,
MAX_BUFFER_SIZE,
MAX_QUANTUM_SIZE * sizeof(float),
0);
if (dsp == NULL)
return 0;
@ -772,7 +773,7 @@ static int on_global(void *data, struct pw_global *global)
sess->dsp = dsp;
sess->dsp_port = dsp_port;
sess->sample_rate = rate;
sess->buffer_size = MAX_BUFFER_SIZE;
sess->quantum_size = MAX_QUANTUM_SIZE;
sess->enabled = true;
pw_node_register(dsp, NULL, pw_module_get_global(impl->module), NULL);