jordan/camera-streamer
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Fix a few bugs

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This commit is contained in:
Kamil Trzcinski
2022-04-06 13:19:52 +02:00
parent b6b82db8e4
commit 8eb514c6b0
3 changed files with 31 additions and 9 deletions
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7
http/http_h264.c
View File

@ -40,9 +40,14 @@ void http_video(http_worker_t *worker, FILE *stream)
goto error;
}
unsigned char *data = buf->start;
if (buf->v4l2_buffer.flags & V4L2_BUF_FLAG_KEYFRAME) {
had_key_frame = true;
E_LOG_DEBUG(buf, "Got key frame!");
E_LOG_DEBUG(buf, "Got key frame (from V4L2)!");
} else if (buf->used >= 5 && (data[4] & 0x1F) == 0x07) {
had_key_frame = true;
E_LOG_DEBUG(buf, "Got key frame (from buffer)!");
}
if (had_key_frame) {

2
http/http_jpeg.c
View File

@ -48,7 +48,7 @@ void http_snapshot(http_worker_t *worker, FILE *stream)
if (!buf) {
http_404_header(worker, stream);
fprintf(stream, "No snapshot captured yet.\r\n");
return;
goto error;
}
fprintf(stream, "HTTP/1.1 200 OK\r\n");

31
hw/links.c
View File

@ -48,8 +48,9 @@ int _build_fds(link_t *all_links, struct pollfd *fds, link_t **links, buffer_lis
fds[n].events = POLLHUP;
if (count_enqueued > 0)
fds[n].events |= POLLOUT;
buf_lists[n] = source;
links[n] = link;
fds[n].revents = 0;
buf_lists[n] = sink;
links[n] = NULL;
n++;
// Can this chain pauses
@ -68,6 +69,7 @@ int _build_fds(link_t *all_links, struct pollfd *fds, link_t **links, buffer_lis
fds[n].events = POLLHUP;
if (!source->device->paused)
fds[n].events |= POLLIN;
fds[n].revents = 0;
buf_lists[n] = source;
links[n] = link;
n++;
@ -117,6 +119,18 @@ error:
return -1;
}
void print_pollfds(struct pollfd *fds, int n)
{
if (!getenv("DEBUG_FDS")) {
return;
}
for (int i = 0; i < n; i++) {
printf("poll(i=%i, fd=%d, events=%08x, revents=%08x)\n", i, fds[i].fd, fds[i].events, fds[i].revents);
}
printf("pollfds = %d\n", n);
}
int links_step(link_t *all_links, int timeout)
{
struct pollfd fds[N_FDS] = {0};
@ -125,7 +139,9 @@ int links_step(link_t *all_links, int timeout)
buffer_t *buf;
int n = _build_fds(all_links, fds, links, buf_lists, N_FDS);
print_pollfds(fds, n);
int ret = poll(fds, n, timeout);
print_pollfds(fds, n);
if (ret < 0 && errno != EINTR) {
return errno;
@ -135,11 +151,12 @@ int links_step(link_t *all_links, int timeout)
buffer_list_t *buf_list = buf_lists[i];
link_t *link = links[i];
E_LOG_DEBUG(buf_list, "pool event=%s%s%s%s/%08x streaming=%d enqueued=%d/%d",
!fds[i].revents ? "NONE" : "",
fds[i].revents & POLLIN ? "IN" : "",
fds[i].revents & POLLOUT ? "OUT" : "",
fds[i].revents & POLLERR ? "ERR" : "",
E_LOG_DEBUG(buf_list, "pool event=%s%s%s%s%s%08x streaming=%d enqueued=%d/%d",
!fds[i].revents ? "NONE/" : "",
fds[i].revents & POLLIN ? "IN/" : "",
fds[i].revents & POLLOUT ? "OUT/" : "",
fds[i].revents & POLLHUP ? "HUP/" : "",
fds[i].revents & POLLERR ? "ERR/" : "",
fds[i].revents,
buf_list->streaming,
buffer_list_count_enqueued(buf_list),