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Improve writing of data

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This commit is contained in:
Kamil Trzcinski
2022-04-06 17:52:13 +02:00
parent 6f8f66da59
commit 4a7a42bab2
6 changed files with 139 additions and 82 deletions
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32
hw/buffer_lock.c
View File

@ -77,3 +77,35 @@ ret:
pthread_mutex_unlock(&buf_lock->lock);
return buf;
}
int buffer_lock_write_loop(buffer_lock_t *buf_lock, int nframes, buffer_write_fn fn, void *data)
{
int counter = 0;
int frames = 0;
buffer_lock_use(buf_lock, 1);
while (nframes == 0 || frames < nframes) {
buffer_t *buf = buffer_lock_get(buf_lock, 0, &counter);
if (!buf) {
goto error;
}
int ret = fn(buf_lock, buf, frames, data);
buffer_consumed(buf, "write-loop");
if (ret > 0) {
frames++;
} else if (ret < 0) {
goto error;
}
}
ok:
buffer_lock_use(buf_lock, -1);
return frames;
error:
buffer_lock_use(buf_lock, -1);
return -frames;
}

3
hw/buffer_lock.h
View File

@ -25,8 +25,11 @@ typedef struct buffer_lock_s {
.timeout_us = (_timeout_ms > DEFAULT_BUFFER_LOCK_TIMEOUT ? _timeout_ms : DEFAULT_BUFFER_LOCK_TIMEOUT) * 1000LL, \
};
typedef int (*buffer_write_fn)(buffer_lock_t *buf_lock, buffer_t *buf, int frame, void *data);
void buffer_lock_capture(buffer_lock_t *buf_lock, buffer_t *buf);
buffer_t *buffer_lock_get(buffer_lock_t *buf_lock, int timeout_ms, int *counter);
bool buffer_lock_needs_buffer(buffer_lock_t *buf_lock);
void buffer_lock_use(buffer_lock_t *buf_lock, int ref);
bool buffer_lock_is_used(buffer_lock_t *buf_lock);
int buffer_lock_write_loop(buffer_lock_t *buf_lock, int nframes, buffer_write_fn fn, void *data);