better handling of chunk buffer

1 files changed, 37 insertions, 0 deletions

diff --git a/src/audio/include/stream_buffer.hpp b/src/audio/include/stream_buffer.hpp
new file mode 100644
index 00000000..cfb4bf9d
--- /dev/null
+++ b/src/audio/include/stream_buffer.hpp
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+
+#include "freertos/FreeRTOS.h"
+
+#include "freertos/message_buffer.h"
+#include "span.hpp"
+
+namespace audio {
+
+class StreamBuffer {
+ public:
+  explicit StreamBuffer(std::size_t chunk_size, std::size_t buffer_size);
+  ~StreamBuffer();
+
+  auto Handle() -> MessageBufferHandle_t* { return &handle_; }
+  auto ReadBuffer() -> cpp::span<std::byte> { return input_chunk_; }
+  auto WriteBuffer() -> cpp::span<std::byte> { return output_chunk_; }
+
+  StreamBuffer(const StreamBuffer&) = delete;
+  StreamBuffer& operator=(const StreamBuffer&) = delete;
+
+ private:
+  std::byte* raw_memory_;
+  StaticMessageBuffer_t metadata_;
+  MessageBufferHandle_t handle_;
+
+  std::byte* raw_input_chunk_;
+  cpp::span<std::byte> input_chunk_;
+
+  std::byte* raw_output_chunk_;
+  cpp::span<std::byte> output_chunk_;
+};
+
+}  // namespace audio