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links: restart if not enqueued for too long

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This commit is contained in:
Kamil Trzcinski
2023-02-26 20:46:37 +01:00
parent 0344a231a9
commit 9c3414a653
3 changed files with 43 additions and 3 deletions
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4
device/buffer_list.c
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@@ -99,7 +99,9 @@ int buffer_list_set_stream(buffer_list_t *buf_list, bool do_on)
}
buf_list->streaming = do_on;
if (!do_on) {
if (do_on) {
buf_list->last_enqueued_us = get_monotonic_time_us(NULL, NULL);
} else {
buffer_list_clear_queue(buf_list);
}

10
device/links.c
View File

@@ -9,6 +9,7 @@
#include <inttypes.h>
#define CAPTURE_TIMEOUT_US (1000*1000)
#define STALE_TIMEOUT_US (1000*1000*1000)
#define N_FDS 50
#define MAX_QUEUED_ON_KEYED MAX_BUFFER_QUEUE
@@ -93,14 +94,19 @@ static void links_process_paused(link_t *all_links, bool force_active)
static bool links_enqueue_capture_buffers(buffer_list_t *capture_list, int *timeout_next_ms)
{
buffer_t *capture_buf = NULL;
uint64_t now_us = get_monotonic_time_us(NULL, NULL);
if (now_us - capture_list->last_enqueued_us > STALE_TIMEOUT_US && capture_list->dev->output_list == NULL) {
LOG_INFO(capture_list, "Stale detected. Restarting streaming...");
buffer_list_set_stream(capture_list, false);
buffer_list_set_stream(capture_list, true);
}
// skip if all enqueued
capture_buf = buffer_list_find_slot(capture_list);
if (capture_buf == NULL)
return false;
uint64_t now_us = get_monotonic_time_us(NULL, NULL);
// skip if trying to enqueue to fast
if (capture_list->fmt.interval_us > 0 && now_us - capture_list->last_enqueued_us < capture_list->fmt.interval_us) {
*timeout_next_ms = MIN(*timeout_next_ms, (capture_list->last_enqueued_us + capture_list->fmt.interval_us - now_us) / 1000);

32
device/v4l2/buffer.c
View File

@@ -181,3 +181,35 @@ int v4l2_buffer_list_pollfd(buffer_list_t *buf_list, struct pollfd *pollfd, bool
pollfd->revents = 0;
return 0;
}
void v4l2_buffer_list_check_buffer(buffer_t *buf)
{
struct v4l2_buffer v4l2_buf = {0};
struct v4l2_plane v4l2_plane = {0};
v4l2_buf.type = buf->buf_list->v4l2->type;
v4l2_buf.index = buf->index;
v4l2_buf.flags = 0;
if (buf->buf_list->v4l2->do_mplanes) {
v4l2_buf.length = 1;
v4l2_buf.m.planes = &v4l2_plane;
v4l2_plane.data_offset = 0;
}
ERR_IOCTL(buf, buf->buf_list->v4l2->dev_fd, VIDIOC_QUERYBUF, &v4l2_buf, "Can't query buffer");
LOG_INFO(buf, "Buffer queried. Queued=%d/%d",
(v4l2_buf.flags & V4L2_BUF_FLAG_QUEUED) != 0,
buf->enqueued
);
error:;
}
void v4l2_buffer_list_check_buffers(buffer_list_t *buf_list)
{
ARRAY_FOREACH(buffer_t*, buf, buf_list->bufs, buf_list->nbufs) {
v4l2_buffer_list_check_buffer(*buf);
}
}