From 458da8a94877677f086f06cdeecf959ec4283a33 Mon Sep 17 00:00:00 2001
From: Kelebek1 <eeeedddccc@hotmail.co.uk>
Date: Sat, 16 Jul 2022 23:48:45 +0100
Subject: Project Andio

---
 .../renderer/command/resample/downmix_6ch_to_2ch.h | 59 ++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 src/audio_core/renderer/command/resample/downmix_6ch_to_2ch.h

(limited to 'src/audio_core/renderer/command/resample/downmix_6ch_to_2ch.h')

diff --git a/src/audio_core/renderer/command/resample/downmix_6ch_to_2ch.h b/src/audio_core/renderer/command/resample/downmix_6ch_to_2ch.h
new file mode 100644
index 000000000..dc133a73b
--- /dev/null
+++ b/src/audio_core/renderer/command/resample/downmix_6ch_to_2ch.h
@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <string>
+
+#include "audio_core/renderer/command/icommand.h"
+#include "common/common_types.h"
+#include "common/fixed_point.h"
+
+namespace AudioCore::AudioRenderer {
+namespace ADSP {
+class CommandListProcessor;
+}
+
+/**
+ * AudioRenderer command for downmixing 6 channels to 2.
+ * Channel layout (SMPTE):
+ *     0 - front left
+ *     1 - front right
+ *     2 - center
+ *     3 - lfe
+ *     4 - back left
+ *     5 - back right
+ */
+struct DownMix6chTo2chCommand : ICommand {
+    /**
+     * Print this command's information to a string.
+     *
+     * @param processor - The CommandListProcessor processing this command.
+     * @param string    - The string to print into.
+     */
+    void Dump(const ADSP::CommandListProcessor& processor, std::string& string) override;
+
+    /**
+     * Process this command.
+     *
+     * @param processor - The CommandListProcessor processing this command.
+     */
+    void Process(const ADSP::CommandListProcessor& processor) override;
+
+    /**
+     * Verify this command's data is valid.
+     *
+     * @param processor - The CommandListProcessor processing this command.
+     * @return True if the command is valid, otherwise false.
+     */
+    bool Verify(const ADSP::CommandListProcessor& processor) override;
+
+    /// Input mix buffer offsets for each channel
+    std::array<s16, MaxChannels> inputs;
+    /// Output mix buffer offsets for each channel
+    std::array<s16, MaxChannels> outputs;
+    /// Coefficients used for downmixing
+    std::array<Common::FixedPoint<48, 16>, 4> down_mix_coeff;
+};
+
+} // namespace AudioCore::AudioRenderer
-- 
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