1 files changed, 59 insertions, 0 deletions

diff --git a/src/audio_core/renderer/command/data_source/decode.h b/src/audio_core/renderer/command/data_source/decode.h
new file mode 100644
index 000000000..4d63d6fa8
--- /dev/null
+++ b/src/audio_core/renderer/command/data_source/decode.h
@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <span>
+
+#include "audio_core/common/common.h"
+#include "audio_core/common/wave_buffer.h"
+#include "audio_core/renderer/voice/voice_state.h"
+#include "common/common_types.h"
+
+namespace Core::Memory {
+class Memory;
+}
+
+namespace AudioCore::AudioRenderer {
+
+struct DecodeFromWaveBuffersArgs {
+    SampleFormat sample_format;
+    std::span<s32> output;
+    VoiceState* voice_state;
+    std::span<WaveBufferVersion2> wave_buffers;
+    s8 channel;
+    s8 channel_count;
+    SrcQuality src_quality;
+    f32 pitch;
+    u32 source_sample_rate;
+    u32 target_sample_rate;
+    u32 sample_count;
+    CpuAddr data_address;
+    u64 data_size;
+    bool IsVoicePlayedSampleCountResetAtLoopPointSupported;
+    bool IsVoicePitchAndSrcSkippedSupported;
+};
+
+struct DecodeArg {
+    CpuAddr buffer;
+    u64 buffer_size;
+    u32 start_offset;
+    u32 end_offset;
+    s8 channel_count;
+    std::array<s16, 16> coefficients;
+    VoiceState::AdpcmContext* adpcm_context;
+    s8 target_channel;
+    u32 offset;
+    u32 samples_to_read;
+};
+
+/**
+ * Decode wavebuffers according to the given args.
+ *
+ * @param memory - Core memory to read data from.
+ * @param args - The wavebuffer data, and information for how to decode it.
+ */
+void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuffersArgs& args);
+
+} // namespace AudioCore::AudioRenderer