Make fade progress actually go from 0 to 1, despite sigmoid at the end.

[nageru] / mixer.h

diff --git a/mixer.h b/mixer.h
index af976985c91b3a52e442debb6e19e1c89c0e41ca..6f04c67844113d53010fa3ca93a451c0f6fcb821 100644 (file)
--- a/mixer.h
+++ b/mixer.h
@@ -71,10 +71,12 @@ class QSurfaceFormat;
 //
 // N is reduced as follows: If the queue has had at least one spare frame for
 // at least 50 (master) frames (ie., it's been too conservative for a second),
-// we reduce N by 1 and reset the timers.
+// we reduce N by 1 and reset the timers. TODO: Only do this if N ever actually
+// touched the limit.
 //
-// Whenever the queue is starved (we needed a frame but there was none), N was
-// obviously too low, so we increment N. We will never set N above 5, though.
+// Whenever the queue is starved (we needed a frame but there was none),
+// and we've been at N since the last starvation, N was obviously too low,
+// so we increment it. We will never set N above 5, though.
 class QueueLengthPolicy {
 public:
        QueueLengthPolicy() {}
@@ -82,6 +84,7 @@ public:
                this->card_index = card_index;
                safe_queue_length = 0;
                frames_with_at_least_one = 0;
+               been_at_safe_point_since_last_starvation = false;
        }
 
        void update_policy(int queue_length);  // Give in -1 for starvation.
@@ -91,6 +94,7 @@ private:
        unsigned card_index;  // For debugging only.
        unsigned safe_queue_length = 0;  // Called N in the comments.
        unsigned frames_with_at_least_one = 0;
+       bool been_at_safe_point_since_last_starvation = false;
 };
 
 class Mixer {
@@ -167,6 +171,11 @@ public:
                return theme->get_channel_name(channel);
        }
 
+       std::string get_channel_color(unsigned channel) const
+       {
+               return theme->get_channel_color(channel);
+       }
+
        int get_channel_signal(unsigned channel) const
        {
                return theme->get_channel_signal(channel);