jordan/camera-streamer
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Improve FPS handling

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This commit is contained in:
Kamil Trzcinski 2022-04-07 17:46:15 +02:00
parent 08811b747b
commit c817f73051
5 changed files with 15 additions and 9 deletions
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5
cmd/camera_isp.c
View File

@ -54,11 +54,6 @@ int camera_configure_isp(camera_t *camera, float high_div, float low_div)
link_t *links = camera->links;
if (camera->options.fps > 0) {
camera->codec_jpeg->capture_list->fmt_interval_us = 1000 * 1000 / camera->options.fps;
printf("buffer_lock.c: frame interval: %d\n", camera->codec_jpeg->capture_list->fmt_interval_us);
}
*links++ = (link_t){ camera->camera->capture_list, { camera->isp_srgb->output_list } };
if (camera->isp_yuuv_low) {

6
hw/buffer_lock.c
View File

@ -47,10 +47,10 @@ void buffer_lock_capture(buffer_lock_t *buf_lock, buffer_t *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->buf_list->fmt_interval_us) {
} else if (now - buf_lock->buf_time_us < buf_lock->frame_interval_ms * 1000) {
buf_lock->dropped++;
E_LOG_DEBUG(buf_lock, "Dropped buffer %s (refs=%d), frame=%d/%d, frame_us=%.1f",
E_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 - captured_time_us) / 1000.0f);
@ -59,7 +59,7 @@ void buffer_lock_capture(buffer_lock_t *buf_lock, buffer_t *buf)
buffer_use(buf);
buf_lock->buf = buf;
buf_lock->counter++;
E_LOG_DEBUG(buf_lock, "Captured buffer %s (refs=%d), frame=%d/%d, processing_us=%.1f, frame_us=%.1f",
E_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 - captured_time_us) / 1000.0f,

2
hw/buffer_lock.h
View File

@ -14,6 +14,8 @@ typedef struct buffer_lock_s {
int refs;
int dropped;
uint64_t timeout_us;
int frame_interval_ms;
} buffer_lock_t;
#define DEFAULT_BUFFER_LOCK_TIMEOUT 16 // ~60fps

8
hw/links.c
View File

@ -67,10 +67,16 @@ int _build_fds(link_t *all_links, struct pollfd *fds, link_t **links, buffer_lis
}
int count_enqueued = buffer_list_count_enqueued(source);
bool can_dequeue = count_enqueued > 0;
if (now_us - source->last_dequeued_us < source->fmt_interval_us) {
can_dequeue = false;
*max_timeout_ms = MIN(*max_timeout_ms, (source->last_dequeued_us + source->fmt_interval_us - now_us) / 1000);
}
fds[n].fd = source->device->fd;
fds[n].events = POLLHUP;
if (count_enqueued > 0)
if (can_dequeue)
fds[n].events |= POLLIN;
fds[n].revents = 0;
buf_lists[n] = source;

3
opts/log.h
View File

@ -11,6 +11,9 @@ typedef struct log_options_s {
extern log_options_t log_options;
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
// assumes that name is first item
#define dev_name(dev) (dev ? *(const char**)dev : "?")
#define E_LOG_ERROR(dev, _msg, ...) do { fprintf(stderr, "%s: %s: " _msg "\n", __FILENAME__, dev_name(dev), ##__VA_ARGS__); goto error; } while(0)