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_info.hpp | 174 --------------------------------------
 1 file changed, 174 deletions(-)
 delete mode 100644 src/audio/include/stream_info.hpp

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

diff --git a/src/audio/include/stream_info.hpp b/src/audio/include/stream_info.hpp
deleted file mode 100644
index 01dd282a..00000000
--- a/src/audio/include/stream_info.hpp
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * Copyright 2023 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#pragma once
-
-#include <stdint.h>
-#include <sys/_stdint.h>
-#include <cstdint>
-#include <optional>
-#include <string>
-#include <string_view>
-#include <type_traits>
-#include <utility>
-#include <variant>
-
-#include "esp_heap_caps.h"
-#include "freertos/FreeRTOS.h"
-#include "freertos/ringbuf.h"
-#include "freertos/stream_buffer.h"
-
-#include "result.hpp"
-#include "span.hpp"
-#include "types.hpp"
-
-namespace audio {
-
-class StreamInfo {
- public:
-  StreamInfo() : bytes_in_stream_(0), total_length_bytes_(), format_() {}
-
-  // The number of bytes that are available for consumption within this
-  // stream's buffer.
-  auto bytes_in_stream() -> std::size_t& { return bytes_in_stream_; }
-  auto bytes_in_stream() const -> std::size_t { return bytes_in_stream_; }
-
-  auto total_length_bytes() -> std::optional<std::uint32_t>& {
-    return total_length_bytes_;
-  }
-  auto total_length_bytes() const -> std::optional<std::uint32_t> {
-    return total_length_bytes_;
-  }
-
-  auto total_length_seconds() -> std::optional<std::uint32_t>& {
-    return total_length_seconds_;
-  }
-  auto total_length_seconds() const -> std::optional<std::uint32_t> {
-    return total_length_seconds_;
-  }
-
-  struct Encoded {
-    // The codec that this stream is associated with.
-    codecs::StreamType type;
-
-    bool operator==(const Encoded&) const = default;
-  };
-
-  /*
-   * Two-channel, interleaved, 32-bit floating point pcm samples.
-   */
-  struct FloatingPointPcm {
-    // Number of channels in this stream.
-    uint8_t channels;
-    // The sample rate.
-    uint32_t sample_rate;
-
-    bool operator==(const FloatingPointPcm&) const = default;
-  };
-
-  struct Pcm {
-    // Number of channels in this stream.
-    uint8_t channels;
-    // Number of bits per sample.
-    uint8_t bits_per_sample;
-    // The sample rate.
-    uint32_t sample_rate;
-
-    auto bytes_per_sample() const -> uint8_t {
-      return bits_per_sample == 16 ? 2 : 4;
-    }
-
-    bool operator==(const Pcm&) const = default;
-  };
-
-  typedef std::variant<std::monostate, Encoded, FloatingPointPcm, Pcm> Format;
-  auto format() const -> const Format& { return format_; }
-  auto set_format(Format f) -> void { format_ = f; }
-
-  template <typename T>
-  auto format_as() const -> std::optional<T> {
-    if (std::holds_alternative<T>(format_)) {
-      return std::get<T>(format_);
-    }
-    return {};
-  }
-
-  bool operator==(const StreamInfo&) const = default;
-
- private:
-  std::size_t bytes_in_stream_;
-  std::optional<std::uint32_t> total_length_bytes_;
-  std::optional<std::uint32_t> total_length_seconds_;
-  Format format_{};
-};
-
-class InputStream;
-class OutputStream;
-
-class RawStream {
- public:
-  explicit RawStream(std::size_t size);
-  RawStream(std::size_t size, uint32_t);
-  ~RawStream();
-
-  auto info() -> StreamInfo& { return info_; }
-  auto data() -> cpp::span<std::byte>;
-  template <typename T>
-  auto data_as() -> cpp::span<T> {
-    auto orig = data();
-    return {reinterpret_cast<T*>(orig.data()), orig.size_bytes() / sizeof(T)};
-  }
-  auto empty() const -> bool { return info_.bytes_in_stream() == 0; }
-
- private:
-  StreamInfo info_;
-  std::size_t buffer_size_;
-  std::byte* buffer_;
-};
-
-class InputStream {
- public:
-  explicit InputStream(RawStream* s) : raw_(s) {}
-
-  void consume(std::size_t bytes) const;
-
-  const StreamInfo& info() const;
-
-  cpp::span<const std::byte> data() const;
-  template <typename T>
-  auto data_as() const -> cpp::span<const T> {
-    auto orig = data();
-    return {reinterpret_cast<const T*>(orig.data()),
-            orig.size_bytes() / sizeof(T)};
-  }
-
- private:
-  RawStream* raw_;
-};
-
-class OutputStream {
- public:
-  explicit OutputStream(RawStream* s) : raw_(s) {}
-
-  void add(std::size_t bytes) const;
-
-  void prepare(const StreamInfo::Format& new_format,
-               std::optional<uint32_t> length);
-
-  const StreamInfo& info() const;
-
-  cpp::span<std::byte> data() const;
-  template <typename T>
-  auto data_as() const -> cpp::span<T> {
-    auto orig = data();
-    return {reinterpret_cast<T*>(orig.data()), orig.size_bytes() / sizeof(T)};
-  }
-
- private:
-  RawStream* raw_;
-};
-
-}  // namespace audio
-- 
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