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/sink/circular_buffer.cpp      | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 src/audio_core/renderer/command/sink/circular_buffer.cpp

(limited to 'src/audio_core/renderer/command/sink/circular_buffer.cpp')

diff --git a/src/audio_core/renderer/command/sink/circular_buffer.cpp b/src/audio_core/renderer/command/sink/circular_buffer.cpp
new file mode 100644
index 000000000..ded5afc94
--- /dev/null
+++ b/src/audio_core/renderer/command/sink/circular_buffer.cpp
@@ -0,0 +1,48 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <vector>
+
+#include "audio_core/renderer/adsp/command_list_processor.h"
+#include "audio_core/renderer/command/sink/circular_buffer.h"
+#include "core/memory.h"
+
+namespace AudioCore::AudioRenderer {
+
+void CircularBufferSinkCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor& processor,
+                                     std::string& string) {
+    string += fmt::format(
+        "CircularBufferSinkCommand\n\tinput_count {} ring size {:04X} ring pos {:04X}\n\tinputs: ",
+        input_count, size, pos);
+    for (u32 i = 0; i < input_count; i++) {
+        string += fmt::format("{:02X}, ", inputs[i]);
+    }
+    string += "\n";
+}
+
+void CircularBufferSinkCommand::Process(const ADSP::CommandListProcessor& processor) {
+    constexpr s32 min{std::numeric_limits<s16>::min()};
+    constexpr s32 max{std::numeric_limits<s16>::max()};
+
+    std::vector<s16> output(processor.sample_count);
+    for (u32 channel = 0; channel < input_count; channel++) {
+        auto input{processor.mix_buffers.subspan(inputs[channel] * processor.sample_count,
+                                                 processor.sample_count)};
+        for (u32 sample_index = 0; sample_index < processor.sample_count; sample_index++) {
+            output[sample_index] = static_cast<s16>(std::clamp(input[sample_index], min, max));
+        }
+
+        processor.memory->WriteBlockUnsafe(address + pos, output.data(),
+                                           output.size() * sizeof(s16));
+        pos += static_cast<u32>(processor.sample_count * sizeof(s16));
+        if (pos >= size) {
+            pos = 0;
+        }
+    }
+}
+
+bool CircularBufferSinkCommand::Verify(const ADSP::CommandListProcessor& processor) {
+    return true;
+}
+
+} // namespace AudioCore::AudioRenderer
-- 
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