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spa: add spa_ratelimit

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This commit is contained in:
Wim Taymans 2023-07-11 19:25:13 +02:00
parent 17bc9d520e
commit dc07c2321b
8 changed files with 76 additions and 69 deletions
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26
spa/plugins/alsa/alsa-pcm.h
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@ -21,6 +21,7 @@ extern "C" {
#include <spa/utils/list.h>
#include <spa/utils/json.h>
#include <spa/utils/dll.h>
#include <spa/utils/ratelimit.h>
#include <spa/node/node.h>
#include <spa/node/utils.h>
@ -81,13 +82,6 @@ struct card {
uint32_t rate;
};
struct ratelimit {
uint64_t interval;
uint64_t begin;
unsigned burst;
unsigned n_printed, n_missed;
};
struct state {
struct spa_handle handle;
struct spa_node node;
@ -97,7 +91,7 @@ struct state {
struct spa_loop *data_loop;
FILE *log_file;
struct ratelimit rate_limit;
struct spa_ratelimit rate_limit;
uint32_t card_index;
struct card *card;
@ -348,22 +342,6 @@ static inline uint32_t spa_alsa_get_iec958_codecs(struct state *state, uint32_t
return i;
}
static inline int ratelimit_test(struct ratelimit *r, uint64_t now)
{
unsigned missed = 0;
if (r->begin + r->interval < now) {
missed = r->n_missed;
r->begin = now;
r->n_printed = 0;
r->n_missed = 0;
} else if (r->n_printed >= r->burst) {
r->n_missed++;
return -1;
}
r->n_printed++;
return missed;
}
/* This function is also as snd_pcm_channel_area_addr() since 1.2.6 which is not yet
* in ubuntu and I can't figure out how to do the ALSA version check. */
static inline void *channel_area_addr(const snd_pcm_channel_area_t *area, snd_pcm_uframes_t offset)