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Include buffer caching

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This commit is contained in:
Kamil Trzcinski
2022-04-06 12:22:52 +02:00
parent 237e87c90e
commit 0e1ea755d9
5 changed files with 17 additions and 10 deletions
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12
hw/buffer_lock.h
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@ -9,12 +9,20 @@ typedef struct buffer_lock_s {
pthread_mutex_t lock;
pthread_cond_t cond_wait;
buffer_t *buf;
struct timeval buf_time;
uint64_t buf_time_us;
int counter;
int refs;
uint64_t timeout_us;
} buffer_lock_t;
#define DEFINE_BUFFER_LOCK(name) static buffer_lock_t name = { #name, PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, NULL, 0 };
#define DEFAULT_BUFFER_LOCK_TIMEOUT 16 // ~60fps
#define DEFINE_BUFFER_LOCK(_name, _timeout_ms) static buffer_lock_t _name = { \
.name = #_name, \
.lock = PTHREAD_MUTEX_INITIALIZER, \
.cond_wait = PTHREAD_COND_INITIALIZER, \
.timeout_us = (_timeout_ms > DEFAULT_BUFFER_LOCK_TIMEOUT ? _timeout_ms : DEFAULT_BUFFER_LOCK_TIMEOUT) * 1000LL, \
};
void buffer_lock_capture(buffer_lock_t *buf_lock, buffer_t *buf);
buffer_t *buffer_lock_get(buffer_lock_t *buf_lock, int timeout_s, int *counter);