From 60169cdd91c46fb9c5cd22c2864e47b8e2dc413e Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Thu, 17 Nov 2022 13:30:16 +1100
Subject: WIP on our own pipeline

---
 src/audio/include/fatfs_audio_input.hpp | 49 +++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/audio/include/fatfs_audio_input.hpp

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

diff --git a/src/audio/include/fatfs_audio_input.hpp b/src/audio/include/fatfs_audio_input.hpp
new file mode 100644
index 00000000..ed4da55e
--- /dev/null
+++ b/src/audio/include/fatfs_audio_input.hpp
@@ -0,0 +1,49 @@
+#pragma once
+
+#include <cstdint>
+#include <memory>
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/queue.h"
+#include "freertos/stream_buffer.h"
+
+#include "audio_element.hpp"
+#include "storage.hpp"
+
+namespace audio {
+
+class FatfsAudioInput : public IAudioElement {
+ public:
+  struct InputCommand {
+    std::string filename;
+  };
+
+  struct OutputCommand {
+    // TODO: does this actually need any special output?
+  };
+
+  FatfsAudioInput(std::shared_ptr<drivers::SdStorage> storage);
+  ~FatfsAudioInput();
+
+  auto OutputCommandQueue() -> QueueHandle_t;
+  auto OutputBuffer() -> StreamBufferHandle_t;
+
+ private:
+  std::shared_ptr<drivers::SdStorage> storage_;
+
+  uint8_t current_sequence = 0;
+
+  uint8_t* input_queue_memory_;
+  StaticQueue_t input_queue_metadata_;
+  QueueHandle_t input_queue_;
+
+  uint8_t* output_queue_memory_;
+  StaticQueue_t output_queue_metadata_;
+  QueueHandle_t output_queue_;
+
+  uint8_t* output_buffer_memory_;
+  StaticStreamBuffer_t output_buffer_metadata_;
+  StreamBufferHandle_t output_buffer_;
+};
+
+}  // namespace audio
-- 
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