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fix: slow volume ramp to 1s for smoother transitions

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Reduce _max_step from 0.1 to 0.02 per frame, extending the full
0-to-1 volume ramp from ~200ms to ~1 second.
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user
2026-02-21 23:56:04 +01:00
parent e4e1e219f0
commit 9d58a5d073
3 changed files with 3 additions and 3 deletions
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2
docs/CHEATSHEET.md
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@@ -560,7 +560,7 @@ HTML stripped on receive, escaped on send. IRC-only commands are no-ops.
Requires: `yt-dlp`, `ffmpeg`, `libopus` on the host. Requires: `yt-dlp`, `ffmpeg`, `libopus` on the host.
Max 50 tracks in queue. Playlists auto-expand; excess truncated at limit. Max 50 tracks in queue. Playlists auto-expand; excess truncated at limit.
Volume ramps smoothly over ~200ms (no abrupt jumps mid-playback). Volume ramps smoothly over ~1s (no abrupt jumps mid-playback).
Mumble-only: `!play` replies with error on other adapters, others silently no-op. Mumble-only: `!play` replies with error on other adapters, others silently no-op.
## Plugin Template ## Plugin Template

2
docs/USAGE.md
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@@ -1581,7 +1581,7 @@ and voice transmission.
and one is picked randomly and one is picked randomly
- Playlists are expanded into individual tracks; excess tracks are - Playlists are expanded into individual tracks; excess tracks are
truncated at the queue limit truncated at the queue limit
- Volume changes ramp smoothly over ~200ms (no abrupt jumps) - Volume changes ramp smoothly over ~1s (no abrupt jumps)
- Default volume: 50% - Default volume: 50%
- Titles resolved via `yt-dlp --flat-playlist` before playback - Titles resolved via `yt-dlp --flat-playlist` before playback
- Audio pipeline: `yt-dlp | ffmpeg` subprocess, PCM fed to pymumble - Audio pipeline: `yt-dlp | ffmpeg` subprocess, PCM fed to pymumble

2
src/derp/mumble.py
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@@ -475,7 +475,7 @@ class MumbleBot:
stderr=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE,
) )
_max_step = 0.1 # max volume change per frame (~200ms full ramp) _max_step = 0.02 # max volume change per frame (~1s full ramp)
_cur_vol = _get_vol() _cur_vol = _get_vol()
frames = 0 frames = 0