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/data_source/adpcm.h           | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 src/audio_core/renderer/command/data_source/adpcm.h

(limited to 'src/audio_core/renderer/command/data_source/adpcm.h')

diff --git a/src/audio_core/renderer/command/data_source/adpcm.h b/src/audio_core/renderer/command/data_source/adpcm.h
new file mode 100644
index 000000000..a9cf9cee4
--- /dev/null
+++ b/src/audio_core/renderer/command/data_source/adpcm.h
@@ -0,0 +1,119 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <string>
+
+#include "audio_core/common/common.h"
+#include "audio_core/common/wave_buffer.h"
+#include "audio_core/renderer/command/icommand.h"
+#include "common/common_types.h"
+
+namespace AudioCore::AudioRenderer {
+namespace ADSP {
+class CommandListProcessor;
+}
+
+/**
+ * AudioRenderer command to decode ADPCM-encoded version 1 wavebuffers
+ * into the output_index mix buffer.
+ */
+struct AdpcmDataSourceVersion1Command : 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;
+
+    /// Quality used for sample rate conversion
+    SrcQuality src_quality;
+    /// Mix buffer index for decoded samples
+    s16 output_index;
+    /// Flags to control decoding (see AudioCore::AudioRenderer::VoiceInfo::Flags)
+    u16 flags;
+    /// Wavebuffer sample rate
+    u32 sample_rate;
+    /// Pitch used for sample rate conversion
+    f32 pitch;
+    /// Wavebuffers containing the wavebuffer address, context address, looping information etc
+    std::array<WaveBufferVersion2, MaxWaveBuffers> wave_buffers;
+    /// Voice state, updated each call and written back to game
+    CpuAddr voice_state;
+    /// Coefficients data address
+    CpuAddr data_address;
+    /// Coefficients data size
+    u64 data_size;
+};
+
+/**
+ * AudioRenderer command to decode ADPCM-encoded version 2 wavebuffers
+ * into the output_index mix buffer.
+ */
+struct AdpcmDataSourceVersion2Command : 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;
+
+    /// Quality used for sample rate conversion
+    SrcQuality src_quality;
+    /// Mix buffer index for decoded samples
+    s16 output_index;
+    /// Flags to control decoding (see AudioCore::AudioRenderer::VoiceInfo::Flags)
+    u16 flags;
+    /// Wavebuffer sample rate
+    u32 sample_rate;
+    /// Pitch used for sample rate conversion
+    f32 pitch;
+    /// Target channel to read within the wavebuffer
+    s8 channel_index;
+    /// Number of channels within the wavebuffer
+    s8 channel_count;
+    /// Wavebuffers containing the wavebuffer address, context address, looping information etc
+    std::array<WaveBufferVersion2, MaxWaveBuffers> wave_buffers;
+    /// Voice state, updated each call and written back to game
+    CpuAddr voice_state;
+    /// Coefficients data address
+    CpuAddr data_address;
+    /// Coefficients data size
+    u64 data_size;
+};
+
+} // namespace AudioCore::AudioRenderer
-- 
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