From 4c88fcc4a57b1fae7b6edaf42034945d5ac24a89 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Fri, 20 Jan 2023 09:48:29 +1100
Subject: fix build issues with new pipeline

---
 src/audio/include/audio_decoder.hpp        |  2 +-
 src/audio/include/audio_element_handle.hpp | 41 ++++++++++++++++++++++++++++++
 src/audio/include/fatfs_audio_input.hpp    |  2 +-
 3 files changed, 43 insertions(+), 2 deletions(-)
 create mode 100644 src/audio/include/audio_element_handle.hpp

(limited to 'src/audio/include')

diff --git a/src/audio/include/audio_decoder.hpp b/src/audio/include/audio_decoder.hpp
index 9c0626db..0a2df76d 100644
--- a/src/audio/include/audio_decoder.hpp
+++ b/src/audio/include/audio_decoder.hpp
@@ -43,7 +43,7 @@ class AudioDecoder : public IAudioElement {
   std::unique_ptr<codecs::ICodec> current_codec_;
   std::optional<StreamInfo> stream_info_;
 
-  ChunkWriter chunk_writer_;
+  std::unique_ptr<ChunkWriter> chunk_writer_;
 };
 
 }  // namespace audio
diff --git a/src/audio/include/audio_element_handle.hpp b/src/audio/include/audio_element_handle.hpp
new file mode 100644
index 00000000..adb26baa
--- /dev/null
+++ b/src/audio/include/audio_element_handle.hpp
@@ -0,0 +1,41 @@
+#pragma once
+
+#include <memory>
+#include "audio_element.hpp"
+
+namespace audio {
+
+class AudioElementHandle {
+ public:
+  AudioElementHandle(std::unique_ptr<TaskHandle_t> task,
+                     std::shared_ptr<IAudioElement> element);
+  ~AudioElementHandle();
+
+  auto CurrentState() -> ElementState;
+
+  // TODO: think about this contract. Would it ever make sense to pause and
+  // then walk away? Things could keep running for a whole loop if data comes
+  // through, so probably not?
+  enum PlayPause {
+    PLAY,
+    PAUSE,
+  };
+  auto PlayPause(PlayPause state) -> void;
+  auto Quit() -> void;
+
+  auto PauseSync() -> void;
+  auto QuitSync() -> void;
+
+  AudioElementHandle(const AudioElementHandle&) = delete;
+  AudioElementHandle& operator=(const AudioElementHandle&) = delete;
+
+ private:
+  std::unique_ptr<TaskHandle_t> task_;
+  std::shared_ptr<IAudioElement> element_;
+
+  auto MonitorUtilState(eTaskState desired) -> void;
+  auto SetStateAndWakeUp(ElementState state) -> void;
+  auto WakeUpTask() -> void;
+};
+
+}  // namespace audio
diff --git a/src/audio/include/fatfs_audio_input.hpp b/src/audio/include/fatfs_audio_input.hpp
index 040b2b54..f3704f1d 100644
--- a/src/audio/include/fatfs_audio_input.hpp
+++ b/src/audio/include/fatfs_audio_input.hpp
@@ -47,7 +47,7 @@ class FatfsAudioInput : public IAudioElement {
   FIL current_file_;
   bool is_file_open_;
 
-  ChunkWriter chunk_writer_;
+  std::unique_ptr<ChunkWriter> chunk_writer_;
 };
 
 }  // namespace audio
-- 
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