From 4e27de21e49900963ffa61cc9c0a676bb028f992 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Wed, 16 Aug 2023 10:57:55 +1000
Subject: clean up a bunch of obselete audio code

---
 src/audio/include/stream_buffer.hpp | 65 -------------------------------------
 1 file changed, 65 deletions(-)
 delete mode 100644 src/audio/include/stream_buffer.hpp

(limited to 'src/audio/include/stream_buffer.hpp')

diff --git a/src/audio/include/stream_buffer.hpp b/src/audio/include/stream_buffer.hpp
deleted file mode 100644
index 06fe8af5..00000000
--- a/src/audio/include/stream_buffer.hpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright 2023 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#pragma once
-
-#include <cstddef>
-#include <cstdint>
-
-#include "freertos/FreeRTOS.h"
-
-#include "freertos/message_buffer.h"
-#include "span.hpp"
-
-namespace audio {
-
-/*
- * A collection of the buffers required for two IAudioElement implementations to
- * stream data between each other.
- *
- * Currently, we use a FreeRTOS MessageBuffer to hold the byte stream, and also
- * maintain two chunk-sized buffers for the elements to stage their read and
- * write operations (as MessageBuffer copies the given data into its memory
- * space). A future optimisation here could be to instead post himem memory
- * addresses to the message buffer, and then maintain address spaces into which
- * we map these messages, rather than 'real' allocated buffers as we do now.
- */
-class StreamBuffer {
- public:
-  explicit StreamBuffer(std::size_t chunk_size, std::size_t buffer_size);
-  ~StreamBuffer();
-
-  /* Returns the handle for the underlying message buffer. */
-  auto Handle() -> MessageBufferHandle_t* { return &handle_; }
-
-  /*
-   * Returns a chunk-sized staging buffer that should be used *only* by the
-   * reader (sink) element.
-   */
-  auto ReadBuffer() -> cpp::span<std::byte> { return input_chunk_; }
-
-  /*
-   * Returns a chunk-sized staging buffer that should be used *only* by the
-   * writer (source) element.
-   */
-  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
-- 
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