From 8a2a2d226558d099243eea0aa9ae22b2791e0e0e Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Tue, 6 Jun 2023 10:20:46 +1000
Subject: Get basic audio playback going again

---
 src/audio/include/audio_decoder.hpp     | 3 +++
 src/audio/include/audio_element.hpp     | 3 +++
 src/audio/include/fatfs_audio_input.hpp | 2 ++
 3 files changed, 8 insertions(+)

(limited to 'src/audio/include')

diff --git a/src/audio/include/audio_decoder.hpp b/src/audio/include/audio_decoder.hpp
index 5927e150..3cda0305 100644
--- a/src/audio/include/audio_decoder.hpp
+++ b/src/audio/include/audio_decoder.hpp
@@ -30,6 +30,8 @@ class AudioDecoder : public IAudioElement {
   AudioDecoder();
   ~AudioDecoder();
 
+  auto NeedsToProcess() const -> bool override;
+
   auto Process(const std::vector<InputStream>& inputs, OutputStream* output)
       -> void override;
 
@@ -41,6 +43,7 @@ class AudioDecoder : public IAudioElement {
   std::optional<StreamInfo::Format> current_input_format_;
   std::optional<StreamInfo::Format> current_output_format_;
   bool has_samples_to_send_;
+  bool has_input_remaining_;
 
   auto ProcessStreamInfo(const StreamInfo& info) -> bool;
 };
diff --git a/src/audio/include/audio_element.hpp b/src/audio/include/audio_element.hpp
index 133a6ae7..7e3d9d7d 100644
--- a/src/audio/include/audio_element.hpp
+++ b/src/audio/include/audio_element.hpp
@@ -10,6 +10,7 @@
 #include <cstdint>
 #include <deque>
 #include <memory>
+#include <vector>
 
 #include "freertos/FreeRTOS.h"
 
@@ -46,6 +47,8 @@ class IAudioElement {
   IAudioElement() {}
   virtual ~IAudioElement() {}
 
+  virtual auto NeedsToProcess() const -> bool = 0;
+
   virtual auto Process(const std::vector<InputStream>& inputs,
                        OutputStream* output) -> void = 0;
 };
diff --git a/src/audio/include/fatfs_audio_input.hpp b/src/audio/include/fatfs_audio_input.hpp
index 98ad4d2b..bfc0064e 100644
--- a/src/audio/include/fatfs_audio_input.hpp
+++ b/src/audio/include/fatfs_audio_input.hpp
@@ -33,6 +33,8 @@ class FatfsAudioInput : public IAudioElement {
 
   auto OpenFile(const std::string& path) -> bool;
 
+  auto NeedsToProcess() const -> bool override;
+
   auto Process(const std::vector<InputStream>& inputs, OutputStream* output)
       -> void override;
 
-- 
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