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Report signal loss if the expected mode is reported but no frame was captured for more than 32 iterations

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This commit is contained in:
Sebastian Dröge 2021-08-18 10:16:40 +03:00
parent 83eb812f06
commit e116719597
1 changed files with 19 additions and 0 deletions
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19
gstajasrc.cpp
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@ -1567,6 +1567,7 @@ static void capture_thread_func(AJAThread *thread, void *data) {
AUTOCIRCULATE_TRANSFER transfer;
guint64 frames_dropped_last = G_MAXUINT64;
gboolean have_signal = TRUE;
guint iterations_without_frame = 0;
if (self->capture_cpu_core != G_MAXUINT) {
cpu_set_t mask;
@ -1755,6 +1756,8 @@ restart:
GstMapInfo anc_map2 = GST_MAP_INFO_INIT;
AUTOCIRCULATE_TRANSFER transfer;
iterations_without_frame = 0;
if (gst_buffer_pool_acquire_buffer(self->buffer_pool, &video_buffer,
NULL) != GST_FLOW_OK) {
GST_ELEMENT_ERROR(self, STREAM, FAILED, (NULL),
@ -1914,7 +1917,23 @@ restart:
} else {
g_mutex_unlock(&self->queue_lock);
// If we don't have a frame for 32 iterations (512ms) then consider
// this as signal loss too even if the driver still reports the
// expected mode above
if (have_signal && iterations_without_frame < 32) {
iterations_without_frame++;
} else {
frames_dropped_last = G_MAXUINT64;
if (have_signal) {
GST_ELEMENT_WARNING(GST_ELEMENT(self), RESOURCE, READ,
("Signal lost"), ("No frames captured"));
have_signal = FALSE;
}
}
self->device->device->WaitForInputVerticalInterrupt(self->channel);
g_mutex_lock(&self->queue_lock);
}
}