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Debounce the Audio panel "live" column

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The live indicator compared frames_rendered to the previous UI frame's value, but
audio buffers release in bursts so most frames saw no change -- the cell flickered
between a green dot and grey "idle". Now each stream remembers when it last advanced
and reads "live" for a short window (0.4 s) afterwards, with a ~2 Hz frames/s
estimate next to it; otherwise "idle". Steady and readable for multi-stream games.

Verified: x64 build green. Full visual confirmation needs an injected, audio-playing
game with the per-stream table open (Debug details); logic reviewed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
BlackMark
2026-06-21 01:21:32 +02:00
parent 37d0f64e23
commit 0ffe836a29
3 changed files with 32 additions and 10 deletions
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9
host/src/audio_panel.hpp
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@@ -32,8 +32,15 @@ private:
bool enabled_ = false;
AudioMirror mirror_;
// Previous per-stream frame counts, to flag streams as live (advancing).
// Per-stream activity tracking for the "live" column. Audio buffers release in
// bursts, so most UI frames see no change; comparing to just the previous frame
// flickers. Instead we remember when each stream last advanced and debounce the
// live/idle indicator over a short window, plus a ~2 Hz frames/s estimate.
std::uint64_t prev_frames_[kMaxAudioStreams] = {};
double last_active_[kMaxAudioStreams] = {}; // ImGui time a stream last advanced
std::uint64_t rate_base_frames_[kMaxAudioStreams] = {};
double frames_per_s_[kMaxAudioStreams] = {};
double rate_base_time_ = 0.0;
};
} // namespace coop