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Pan/EQ: add a per-peer volume slider (before pan)

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Ed's request — an individual level fader per peer, sitting just before the pan control on the
Pan and EQ tab. New PeerShaping.Volume (0..1, default 1.0 = 100% = transparent), always applied
(no master switch — unity does nothing). It folds into PeerDspChain's L/R gain alongside pan
(gainL = panL*vol, gainR = panR*vol), so it's another per-sample multiply, zero added latency,
and multiplies with the global volume (per-peer fader -> mix -> master). Slider is 0-100%,
saved per profile, announces "Volume: N percent". Shaped recording captures it; raw (bypass)
recording doesn't. Held for next release.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Ednunp
2026-07-06 10:45:52 +01:00
co-authored by Claude Opus 4.8
parent efa9435da7
commit 6b1e65f418
3 changed files with 54 additions and 22 deletions
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src/RemSound.App/MainForm.cs
+26 -5
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@@ -157,6 +157,7 @@ public sealed class MainForm : Form
private readonly AccessibleCheckBox enableEqForPeersBox = new() { Text = "Enable &EQ for peers (Alt+E)", AccessibleName = "Enable EQ for peers", AutoSize = true };
private readonly AccessibleCheckBox enablePanForPeersBox = new() { Text = "Enable &pan for peers (Alt+P)", AccessibleName = "Enable pan for peers", AutoSize = true };
private readonly ListBox panEqPeerList = new() { Width = 430, Height = 90, AccessibleName = "Peer to shape" };
private readonly TrackBar volumeSlider = new() { Minimum = 0, Maximum = 100, Value = 100, SmallChange = 1, LargeChange = 10, TickFrequency = 25, Width = 320 };
private readonly TrackBar panSlider = new() { Minimum = 0, Maximum = 100, Value = 50, SmallChange = 1, LargeChange = 10, TickFrequency = 25, Width = 320 };
private readonly Button resetPeerEqButton = new() { Text = "Set peer E&Q to default (Alt+Q)", AutoSize = true, AccessibleName = "Set peer EQ to default" };
private readonly ListBox eqModeList = new() { Width = 320, Height = 40, IntegralHeight = false, AccessibleName = "EQ mode" };
@@ -3144,12 +3145,13 @@ public sealed class MainForm : Form
/// and is saved per profile. See <see cref="PeerDspChain"/> / <see cref="PeerShaping"/>.</summary>
private void BuildPanEqTab()
{
var panel = new TableLayoutPanel { Dock = DockStyle.Fill, Padding = new Padding(12), ColumnCount = 1, RowCount = 8, AutoScroll = true };
var panel = new TableLayoutPanel { Dock = DockStyle.Fill, Padding = new Padding(12), ColumnCount = 1, RowCount = 9, AutoScroll = true };
panel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 100));
enableEqForPeersBox.CheckedChanged += (_, _) => { if (!loadingPanEqControls) { MarkProfileDirty(); ApplyAllPeerShaping(); } };
enablePanForPeersBox.CheckedChanged += (_, _) => { if (!loadingPanEqControls) { MarkProfileDirty(); ApplyAllPeerShaping(); } };
panEqPeerList.SelectedIndexChanged += (_, _) => OnPanEqPeerSelected();
volumeSlider.ValueChanged += (_, _) => OnVolumeChanged();
panSlider.ValueChanged += (_, _) => OnPanChanged();
resetPeerEqButton.Click += (_, _) => OnResetPeerEq();
eqModeList.Items.Add("3 band basic EQ");
@@ -3157,9 +3159,13 @@ public sealed class MainForm : Form
eqModeList.SelectedIndexChanged += (_, _) => OnEqModeChanged();
var peerLabel = new MnemonicLabel { Text = "Peer to shape (Alt+&U)", AutoSize = true, MnemonicTarget = panEqPeerList };
var volumeLabel = new MnemonicLabel { Text = "Vo&lume (Alt+L)", AutoSize = true, MnemonicTarget = volumeSlider };
var panLabel = new MnemonicLabel { Text = "Pa&n (Alt+N)", AutoSize = true, MnemonicTarget = panSlider };
var modeLabel = new MnemonicLabel { Text = "EQ &mode (Alt+M)", AutoSize = true, MnemonicTarget = eqModeList };
var volumeRow = new FlowLayoutPanel { AutoSize = true, WrapContents = false, Margin = new Padding(0) };
volumeRow.Controls.Add(volumeLabel);
volumeRow.Controls.Add(volumeSlider);
var panRow = new FlowLayoutPanel { AutoSize = true, WrapContents = false, Margin = new Padding(0) };
panRow.Controls.Add(panLabel);
panRow.Controls.Add(panSlider);
@@ -3171,10 +3177,11 @@ public sealed class MainForm : Form
panel.Controls.Add(enablePanForPeersBox, 0, 1);
panel.Controls.Add(peerLabel, 0, 2);
panel.Controls.Add(panEqPeerList, 0, 3);
panel.Controls.Add(panRow, 0, 4);
panel.Controls.Add(resetPeerEqButton, 0, 5);
panel.Controls.Add(modeRow, 0, 6);
panel.Controls.Add(eqBandsPanel, 0, 7);
panel.Controls.Add(volumeRow, 0, 4);
panel.Controls.Add(panRow, 0, 5);
panel.Controls.Add(resetPeerEqButton, 0, 6);
panel.Controls.Add(modeRow, 0, 7);
panel.Controls.Add(eqBandsPanel, 0, 8);
panEqTabPage.Controls.Add(panel);
RefreshPanEqPeerList();
@@ -3243,10 +3250,13 @@ public sealed class MainForm : Form
try
{
var s = GetOrCreateShaping(selectedShapingKey);
volumeSlider.Value = Math.Clamp((int)Math.Round(s.Volume * 100f), 0, 100);
UpdateVolumeAccessibleName();
panSlider.Value = Math.Clamp((int)Math.Round(s.Pan * 50f) + 50, 0, 100);
UpdatePanAccessibleName();
eqModeList.SelectedIndex = s.EqMode == PeerEqMode.Advanced10Band ? 1 : 0;
RebuildEqBandSliders();
volumeSlider.Enabled = enabled;
panSlider.Enabled = enabled;
resetPeerEqButton.Enabled = enabled;
eqModeList.Enabled = enabled;
@@ -3279,6 +3289,17 @@ public sealed class MainForm : Form
panSlider.AccessibleName = $"Pan: {desc}";
}
private void OnVolumeChanged()
{
if (loadingPanEqControls || selectedShapingKey is null) return;
GetOrCreateShaping(selectedShapingKey).Volume = Math.Clamp(volumeSlider.Value / 100f, 0f, 1f);
UpdateVolumeAccessibleName();
ApplyPeerShaping(selectedShapingKey);
MarkProfileDirty();
}
private void UpdateVolumeAccessibleName() => volumeSlider.AccessibleName = $"Volume: {volumeSlider.Value} percent";
private void OnEqModeChanged()
{
if (loadingPanEqControls || selectedShapingKey is null) return;