// These need to survive several QuickSyncEncoderImpl instances,
// so they are outside.
-bool mux_metrics_inited = false;
+once_flag quick_sync_metrics_inited;
LatencyHistogram mixer_latency_histogram, qs_latency_histogram;
MuxMetrics current_file_mux_metrics, total_mux_metrics;
std::atomic<double> metric_current_file_start_time_seconds{0.0 / 0.0};
+std::atomic<int64_t> metric_quick_sync_stalled_frames{0};
} // namespace
memset(&slice_param, 0, sizeof(slice_param));
}
- if (!mux_metrics_inited) {
+ call_once(quick_sync_metrics_inited, [](){
mixer_latency_histogram.init("mixer");
qs_latency_histogram.init("quick_sync");
current_file_mux_metrics.init({{ "destination", "current_file" }});
total_mux_metrics.init({{ "destination", "files_total" }});
global_metrics.add("current_file_start_time_seconds", &metric_current_file_start_time_seconds, Metrics::TYPE_GAUGE);
- mux_metrics_inited = true;
- }
+ global_metrics.add("quick_sync_stalled_frames", &metric_quick_sync_stalled_frames);
+ });
storage_thread = thread(&QuickSyncEncoderImpl::storage_task_thread, this);
if (surf == nullptr) {
fprintf(stderr, "Warning: No free slots for frame %d, rendering has to wait for H.264 encoder\n",
current_storage_frame);
+ ++metric_quick_sync_stalled_frames;
storage_task_queue_changed.wait(lock, [this, &surf]{
if (storage_thread_should_quit)
return true;