From d9eab4e4a230b4c593f37f27f19ac9729ce4b9f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Tue, 15 Apr 2025 11:44:28 +0200
Subject: [PATCH] sceAudio: Add per-channel mute checkboxes in the debugger

---
 Core/HLE/__sceAudio.cpp      | 8 +++++++-
 Core/HLE/sceAudio.h          | 3 +++
 UI/ImDebugger/ImDebugger.cpp | 7 ++++++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/Core/HLE/__sceAudio.cpp b/Core/HLE/__sceAudio.cpp
index 124fe330fa..b263af3012 100644
--- a/Core/HLE/__sceAudio.cpp
+++ b/Core/HLE/__sceAudio.cpp
@@ -338,8 +338,9 @@ void __AudioUpdate(bool resetRecording) {
 	int16_t srcBuffer[srcBufferSize];
 
 	for (u32 i = 0; i < PSP_AUDIO_CHANNEL_MAX + 1; i++)	{
-		if (!g_audioChans[i].reserved)
+		if (!g_audioChans[i].reserved) {
 			continue;
+		}
 
 		__AudioWakeThreads(g_audioChans[i], 0, hwBlockSize);
 
@@ -358,6 +359,11 @@ void __AudioUpdate(bool resetRecording) {
 
 		chanSampleQueues[i].popPointers(sz, &buf1, &sz1, &buf2, &sz2);
 
+		// We do this check as the very last thing before mixing, to maximize compatibility.
+		if (g_audioChans[i].mute) {
+			continue;
+		}
+
 		if (needsResample) {
 			auto read = [&](size_t i) {
 				if (i < sz1)
diff --git a/Core/HLE/sceAudio.h b/Core/HLE/sceAudio.h
index d922e5bd39..0fae10d617 100644
--- a/Core/HLE/sceAudio.h
+++ b/Core/HLE/sceAudio.h
@@ -49,6 +49,9 @@ struct AudioChannel {
 	u32 rightVolume = 0;
 	u32 format = 0;
 
+	// For the debugger only. Not saved.
+	bool mute = false;
+
 	std::vector<AudioChannelWaitInfo> waitingThreads;
 
 	void DoState(PointerWrap &p);
diff --git a/UI/ImDebugger/ImDebugger.cpp b/UI/ImDebugger/ImDebugger.cpp
index 42fa451c30..5f01ef58d7 100644
--- a/UI/ImDebugger/ImDebugger.cpp
+++ b/UI/ImDebugger/ImDebugger.cpp
@@ -1245,8 +1245,9 @@ void DrawAudioChannels(ImConfig &cfg, ImControl &control) {
 		return;
 	}
 
-	if (ImGui::BeginTable("audios", 6, ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersH)) {
+	if (ImGui::BeginTable("audios", 7, ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersH)) {
 		ImGui::TableSetupColumn("Index", ImGuiTableColumnFlags_WidthFixed);
+		ImGui::TableSetupColumn("Mute", ImGuiTableColumnFlags_WidthFixed);
 		ImGui::TableSetupColumn("SampleAddr", ImGuiTableColumnFlags_WidthFixed);
 		ImGui::TableSetupColumn("SampleCount", ImGuiTableColumnFlags_WidthFixed);
 		ImGui::TableSetupColumn("Volume", ImGuiTableColumnFlags_WidthFixed);
@@ -1262,12 +1263,15 @@ void DrawAudioChannels(ImConfig &cfg, ImControl &control) {
 			}
 			ImGui::TableNextRow();
 			ImGui::TableNextColumn();
+			ImGui::PushID(i);
 			if (i == 8) {
 				ImGui::TextUnformatted("audio2");
 			} else {
 				ImGui::Text("%d", i);
 			}
 			ImGui::TableNextColumn();
+			ImGui::Checkbox("", &g_audioChans[i].mute);
+			ImGui::TableNextColumn();
 			char id[2]{};
 			id[0] = i + 1;
 			ImClickableValue(id, g_audioChans[i].sampleAddress, control, ImCmd::SHOW_IN_MEMORY_VIEWER);
@@ -1294,6 +1298,7 @@ void DrawAudioChannels(ImConfig &cfg, ImControl &control) {
 					ImGui::Text("%s: %d", thread->GetName(), t.numSamples);
 				}
 			}
+			ImGui::PopID();
 		}
 
 		ImGui::EndTable();