From 12d2ffdab70df573610b81d8a24545da33bb67e3 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Tue, 21 Feb 2023 09:28:36 +1100
Subject: Add logging to the DAC

---
 src/audio/include/audio_element.hpp    | 2 ++
 src/audio/include/audio_playback.hpp   | 2 ++
 src/audio/include/i2s_audio_output.hpp | 1 +
 src/audio/include/stream_event.hpp     | 2 ++
 4 files changed, 7 insertions(+)

(limited to 'src/audio/include')

diff --git a/src/audio/include/audio_element.hpp b/src/audio/include/audio_element.hpp
index 0c80524c..b881404c 100644
--- a/src/audio/include/audio_element.hpp
+++ b/src/audio/include/audio_element.hpp
@@ -107,6 +107,8 @@ class IAudioElement {
 
   virtual auto ProcessEndOfStream() -> void = 0;
 
+  virtual auto ProcessLogStatus() -> void {}
+
   /*
    * Called when there has been no data received over the input buffer for some
    * time. This could be used to synthesize output, or to save memory by
diff --git a/src/audio/include/audio_playback.hpp b/src/audio/include/audio_playback.hpp
index f05ca327..fc266c9b 100644
--- a/src/audio/include/audio_playback.hpp
+++ b/src/audio/include/audio_playback.hpp
@@ -37,6 +37,8 @@ class AudioPlayback {
    */
   auto Play(const std::string& filename) -> void;
 
+  auto LogStatus() -> void;
+
   // Not copyable or movable.
   AudioPlayback(const AudioPlayback&) = delete;
   AudioPlayback& operator=(const AudioPlayback&) = delete;
diff --git a/src/audio/include/i2s_audio_output.hpp b/src/audio/include/i2s_audio_output.hpp
index fc406665..de2f1f58 100644
--- a/src/audio/include/i2s_audio_output.hpp
+++ b/src/audio/include/i2s_audio_output.hpp
@@ -29,6 +29,7 @@ class I2SAudioOutput : public IAudioElement {
   auto ProcessChunk(const cpp::span<std::byte>& chunk)
       -> cpp::result<std::size_t, AudioProcessingError> override;
   auto ProcessEndOfStream() -> void override;
+  auto ProcessLogStatus() -> void override;
   auto Process() -> cpp::result<void, AudioProcessingError> override;
 
   I2SAudioOutput(const I2SAudioOutput&) = delete;
diff --git a/src/audio/include/stream_event.hpp b/src/audio/include/stream_event.hpp
index e84c8388..d42de411 100644
--- a/src/audio/include/stream_event.hpp
+++ b/src/audio/include/stream_event.hpp
@@ -17,6 +17,7 @@ struct StreamEvent {
       -> StreamEvent*;
   static auto CreateChunkNotification(QueueHandle_t source) -> StreamEvent*;
   static auto CreateEndOfStream(QueueHandle_t source) -> StreamEvent*;
+  static auto CreateLogStatus() -> StreamEvent*;
 
   StreamEvent();
   ~StreamEvent();
@@ -30,6 +31,7 @@ struct StreamEvent {
     CHUNK_DATA,
     CHUNK_NOTIFICATION,
     END_OF_STREAM,
+    LOG_STATUS,
   } tag;
 
   union {
-- 
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