jordan/camera-streamer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libcamera: add frame timeout

Browse Source
This commit is contained in:
Kamil Trzcinski 2023-02-24 19:59:54 +01:00
parent f2ad561734
commit 27b93facc9
2 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
device/libcamera/buffer.cc
View File

@ -143,6 +143,15 @@ int libcamera_buffer_list_dequeue(buffer_list_t *buf_list, buffer_t **bufp)
*bufp = buf_list->bufs[index];
std::optional<int64_t> sensor_timestamp((*bufp)->libcamera->request->metadata().
get<int64_t>(libcamera::controls::SensorTimestamp));
uint64_t sensor_timestamp_us = sensor_timestamp.value_or(0) / 1000;
uint64_t boot_time_us = get_time_us(CLOCK_BOOTTIME, NULL, NULL, 0);
uint64_t now_us = get_monotonic_time_us(NULL, NULL);
(*bufp)->captured_time_us = now_us - (boot_time_us - sensor_timestamp_us);
if (index == 0) {
libcamera_buffer_dump_metadata(*bufp);
}

10
device/links.c
View File

@ -6,6 +6,9 @@
#include "util/opts/log.h"
#include "util/opts/fourcc.h"
#include <inttypes.h>
#define CAPTURE_TIMEOUT_US (1000*1000)
#define N_FDS 50
#define QUEUE_ON_CAPTURE // seems to provide better latency
// #define LIMIT_CAPTURE_BUFFERS
@ -148,6 +151,13 @@ static int links_enqueue_from_capture_list(buffer_list_t *capture_list, link_t *
LOG_ERROR(capture_list, "No buffer dequeued from capture_list?");
}
uint64_t now_us = get_monotonic_time_us(NULL, NULL);
if ((now_us - buf->captured_time_us) > CAPTURE_TIMEOUT_US) {
LOG_INFO(buf, "Capture image is outdated. Skipped. Now: %" PRIu64 ", vs %" PRIu64 ".",
now_us, buf->captured_time_us);
return 0;
}
bool dropped = false;
for (int j = 0; j < link->n_output_lists; j++) {