1 files changed, 76 insertions, 0 deletions
diff --git a/src/audio_core/renderer/sink/circular_buffer_sink_info.cpp b/src/audio_core/renderer/sink/circular_buffer_sink_info.cpp
new file mode 100644
index 000000000..d91f10402
--- /dev/null
+++ b/src/audio_core/renderer/sink/circular_buffer_sink_info.cpp
@@ -0,0 +1,76 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "audio_core/renderer/memory/pool_mapper.h"
+#include "audio_core/renderer/sink/circular_buffer_sink_info.h"
+#include "audio_core/renderer/upsampler/upsampler_manager.h"
+
+namespace AudioCore::AudioRenderer {
+
+CircularBufferSinkInfo::CircularBufferSinkInfo() {
+    state.fill(0);
+    parameter.fill(0);
+    type = Type::CircularBufferSink;
+
+    auto state_{reinterpret_cast<CircularBufferState*>(state.data())};
+    state_->address_info.Setup(0, 0);
+}
+
+void CircularBufferSinkInfo::CleanUp() {
+    auto state_{reinterpret_cast<DeviceState*>(state.data())};
+
+    if (state_->upsampler_info) {
+        state_->upsampler_info->manager->Free(state_->upsampler_info);
+        state_->upsampler_info = nullptr;
+    }
+
+    parameter.fill(0);
+    type = Type::Invalid;
+}
+
+void CircularBufferSinkInfo::Update(BehaviorInfo::ErrorInfo& error_info, OutStatus& out_status,
+                                    const InParameter& in_params, const PoolMapper& pool_mapper) {
+    const auto buffer_params{
+        reinterpret_cast<const CircularBufferInParameter*>(&in_params.circular_buffer)};
+    auto current_params{reinterpret_cast<CircularBufferInParameter*>(parameter.data())};
+    auto current_state{reinterpret_cast<CircularBufferState*>(state.data())};
+
+    if (in_use == buffer_params->in_use && !buffer_unmapped) {
+        error_info.error_code = ResultSuccess;
+        error_info.address = CpuAddr(0);
+        out_status.writeOffset = current_state->last_pos2;
+        return;
+    }
+
+    node_id = in_params.node_id;
+    in_use = in_params.in_use;
+
+    if (in_use) {
+        buffer_unmapped =
+            !pool_mapper.TryAttachBuffer(error_info, current_state->address_info,
+                                         buffer_params->cpu_address, buffer_params->size);
+        *current_params = *buffer_params;
+    } else {
+        *current_params = *buffer_params;
+    }
+    out_status.writeOffset = current_state->last_pos2;
+}
+
+void CircularBufferSinkInfo::UpdateForCommandGeneration() {
+    if (in_use) {
+        auto params{reinterpret_cast<CircularBufferInParameter*>(parameter.data())};
+        auto state_{reinterpret_cast<CircularBufferState*>(state.data())};
+
+        const auto pos{state_->current_pos};
+        state_->last_pos2 = state_->last_pos;
+        state_->last_pos = pos;
+
+        state_->current_pos += static_cast<s32>(params->input_count * params->sample_count *
+                                                GetSampleFormatByteSize(SampleFormat::PcmInt16));
+        if (params->size > 0) {
+            state_->current_pos %= params->size;
+        }
+    }
+}
+
+} // namespace AudioCore::AudioRenderer