1 files changed, 53 insertions, 0 deletions

diff --git a/src/audio_core/opus/decoder.h b/src/audio_core/opus/decoder.h
new file mode 100644
index 000000000..d08d8a4a4
--- /dev/null
+++ b/src/audio_core/opus/decoder.h
@@ -0,0 +1,53 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project

+// SPDX-License-Identifier: GPL-2.0-or-later

+

+#pragma once

+

+#include <span>

+

+#include "audio_core/opus/parameters.h"

+#include "common/common_types.h"

+#include "core/hle/kernel/k_transfer_memory.h"

+#include "core/hle/service/audio/errors.h"

+

+namespace Core {

+class System;

+}

+

+namespace AudioCore::OpusDecoder {

+class HardwareOpus;

+

+class OpusDecoder {

+public:

+    explicit OpusDecoder(Core::System& system, HardwareOpus& hardware_opus_);

+    ~OpusDecoder();

+

+    Result Initialize(OpusParametersEx& params, Kernel::KTransferMemory* transfer_memory,

+                      u64 transfer_memory_size);

+    Result Initialize(OpusMultiStreamParametersEx& params, Kernel::KTransferMemory* transfer_memory,

+                      u64 transfer_memory_size);

+    Result DecodeInterleaved(u32* out_data_size, u64* out_time_taken, u32* out_sample_count,

+                             std::span<const u8> input_data, std::span<u8> output_data, bool reset);

+    Result SetContext([[maybe_unused]] std::span<const u8> context);

+    Result DecodeInterleavedForMultiStream(u32* out_data_size, u64* out_time_taken,

+                                           u32* out_sample_count, std::span<const u8> input_data,

+                                           std::span<u8> output_data, bool reset);

+

+private:

+    Core::System& system;

+    HardwareOpus& hardware_opus;

+    std::unique_ptr<u8[]> shared_buffer{};

+    u64 shared_buffer_size;

+    std::span<u8> in_data{};

+    std::span<u8> out_data{};

+    u64 buffer_size{};

+    s32 sample_rate{};

+    s32 channel_count{};

+    bool use_large_frame_size{false};

+    s32 total_stream_count{};

+    s32 stereo_stream_count{};

+    bool shared_memory_mapped{false};

+    bool decode_object_initialized{false};

+};

+

+} // namespace AudioCore::OpusDecoder