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Refactor buffer_lock_capture method

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This commit is contained in:
Kamil Trzciński 2022-10-29 11:46:25 +02:00
parent 79e9bca11f
commit 3839f051af
1 changed files with 34 additions and 20 deletions
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54
device/buffer_lock.c
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@ -42,38 +42,52 @@ bool buffer_lock_needs_buffer(buffer_lock_t *buf_lock)
return needs_buffer;
}
static void buffer_lock_clear_buffers(buffer_lock_t *buf_lock, uint64_t now)
{
buffer_consumed(buf_lock->buf, buf_lock->name);
buf_lock->buf = NULL;
buf_lock->buf_time_us = now;
}
static void buffer_lock_set_buffer(buffer_lock_t *buf_lock, buffer_t *buf, uint64_t now)
{
buffer_consumed(buf_lock->buf, buf_lock->name);
buffer_use(buf);
buf_lock->buf = buf;
buf_lock->buf_time_us = now;
buf_lock->counter++;
LOG_DEBUG(buf_lock, "Captured buffer %s (refs=%d), frame=%d/%d, processing_ms=%.1f, frame_ms=%.1f",
dev_name(buf), buf ? buf->mmap_reflinks : 0,
buf_lock->counter, buf_lock->dropped,
(now - buf->captured_time_us) / 1000.0f,
(now - buf_lock->buf_time_us) / 1000.0f);
pthread_cond_broadcast(&buf_lock->cond_wait);
for (int i = 0; buf_lock->notify_buffer[i] && i < BUFFER_LOCK_MAX_CALLBACKS; i++) {
buf_lock->notify_buffer[i](buf_lock, buf);
}
}
void buffer_lock_capture(buffer_lock_t *buf_lock, buffer_t *buf)
{
uint64_t now = get_monotonic_time_us(NULL, NULL);
pthread_mutex_lock(&buf_lock->lock);
if (!buf) {
buffer_consumed(buf_lock->buf, buf_lock->name);
buf_lock->buf = NULL;
buf_lock->buf_time_us = now;
} else if (now - buf_lock->buf_time_us < buf_lock->frame_interval_ms * 1000) {
buffer_lock_clear_buffers(buf_lock, now);
} else if (buf->flags.is_keyframe) {
buffer_lock_set_buffer(buf_lock, buf, now);
} else if (now - buf_lock->buf_time_us >= buf_lock->frame_interval_ms * 1000) {
buffer_lock_set_buffer(buf_lock, buf, now);
} else {
buf_lock->dropped++;
LOG_DEBUG(buf_lock, "Dropped buffer %s (refs=%d), frame=%d/%d, frame_ms=%.1f",
dev_name(buf), buf ? buf->mmap_reflinks : 0,
buf_lock->counter, buf_lock->dropped,
(now - buf->captured_time_us) / 1000.0f);
} else {
buffer_consumed(buf_lock->buf, buf_lock->name);
buffer_use(buf);
buf_lock->buf = buf;
buf_lock->counter++;
LOG_DEBUG(buf_lock, "Captured buffer %s (refs=%d), frame=%d/%d, processing_ms=%.1f, frame_ms=%.1f",
dev_name(buf), buf ? buf->mmap_reflinks : 0,
buf_lock->counter, buf_lock->dropped,
(now - buf->captured_time_us) / 1000.0f,
(now - buf_lock->buf_time_us) / 1000.0f);
buf_lock->buf_time_us = now;
pthread_cond_broadcast(&buf_lock->cond_wait);
for (int i = 0; buf_lock->notify_buffer[i] && i < BUFFER_LOCK_MAX_CALLBACKS; i++) {
buf_lock->notify_buffer[i](buf_lock, buf);
}
}
pthread_mutex_unlock(&buf_lock->lock);