been_at_safe_point_since_last_starvation = false;
}
+ void register_metrics(const std::vector<std::pair<std::string, std::string>> &labels);
+
void update_policy(unsigned queue_length); // Call before picking out a frame, so 0 means starvation.
unsigned get_safe_queue_length() const { return safe_queue_length; }
unsigned safe_queue_length = 1; // Called N in the comments. Can never go below 1.
unsigned frames_with_at_least_one = 0;
bool been_at_safe_point_since_last_starvation = false;
+
+ // Metrics.
+ std::atomic<int64_t> metric_input_queue_length_frames{0};
+ std::atomic<int64_t> metric_input_queue_safe_length_frames{1};
+ std::atomic<int64_t> metric_input_duped_frames{0};
};
class Mixer {
QueueLengthPolicy queue_length_policy; // Refers to the "new_frames" queue.
int last_timecode = -1; // Unwrapped.
+
+ // Metrics.
+ std::atomic<int64_t> metric_input_dropped_frames_jitter{0};
+ std::atomic<int64_t> metric_input_dropped_frames_error{0};
+ std::atomic<int64_t> metric_input_resets{0};
+
+ std::atomic<int64_t> metric_input_has_signal_bool{-1};
+ std::atomic<int64_t> metric_input_is_connected_bool{-1};
+ std::atomic<int64_t> metric_input_interlaced_bool{-1};
+ std::atomic<int64_t> metric_input_width_pixels{-1};
+ std::atomic<int64_t> metric_input_height_pixels{-1};
+ std::atomic<int64_t> metric_input_frame_rate_nom{-1};
+ std::atomic<int64_t> metric_input_frame_rate_den{-1};
+ std::atomic<int64_t> metric_input_sample_rate_hz{-1};
};
CaptureCard cards[MAX_VIDEO_CARDS]; // Protected by <card_mutex>.
YCbCrInterpretation ycbcr_interpretation[MAX_VIDEO_CARDS]; // Protected by <card_mutex>.
std::atomic<int64_t> metric_frames_output_total{0};
std::atomic<int64_t> metric_frames_output_dropped{0};
std::atomic<double> metric_uptime_seconds{0.0};
+ std::atomic<int64_t> metrics_memory_used_bytes{0};
+ std::atomic<double> metrics_memory_locked_limit_bytes{0.0 / 0.0};
};
extern Mixer *global_mixer;