X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fplayer.cpp;h=19868f486944fcf51bab9fec200437ab9fe9d88e;hb=06c2ef3a3edb23b0e02eca9d5b43b0098c9474e7;hp=94438a0c9713dff414bbff2f3594f6666ff38b11;hpb=29f8890fa9150f4077c8a15bd60365f0c5c98a3b;p=nageru

diff --git a/futatabi/player.cpp b/futatabi/player.cpp
index 94438a0..19868f4 100644
--- a/futatabi/player.cpp
+++ b/futatabi/player.cpp
@@ -242,6 +242,7 @@ void Player::play_playlist_once()
 			}
 
 			steady_clock::duration time_behind = steady_clock::now() - next_frame_start;
+			metric_player_ahead_seconds.count_event(-duration<double>(time_behind).count());
 			if (stream_output != FILE_STREAM_OUTPUT && time_behind >= milliseconds(200)) {
 				fprintf(stderr, "WARNING: %ld ms behind, dropping a frame (no matter the type).\n",
 				        lrint(1e3 * duration<double>(time_behind).count()));
@@ -534,6 +535,10 @@ Player::Player(JPEGFrameView *destination, Player::StreamOutput stream_output, A
 		global_metrics.add("http_output_frames", { { "type", "refresh" } }, &metric_refresh_frame);
 		global_metrics.add("http_dropped_frames", { { "type", "interpolated" } }, &metric_dropped_interpolated_frame);
 		global_metrics.add("http_dropped_frames", { { "type", "unconditional" } }, &metric_dropped_unconditional_frame);
+
+		vector<double> quantiles{ 0.01, 0.1, 0.25, 0.5, 0.75, 0.9, 0.99 };
+		metric_player_ahead_seconds.init(quantiles, 60.0);
+		global_metrics.add("player_ahead_seconds", &metric_player_ahead_seconds);
 	}
 }