Merge pull request 'fix premature pause at end of last track of queue' (#317) from Be.ing/tangara-fw:premature_pause into main

Reviewed-on: https://codeberg.org/cool-tech-zone/tangara-fw/pulls/317

src/tangara/audio/audio_fsm.cpp

@@ -148,9 +148,7 @@ void AudioState::react(const QueueUpdate& ev) {
 
 void AudioState::react(const SetTrack& ev) {
   if (std::holds_alternative<std::monostate>(ev.new_track)) {
-    ESP_LOGI(kTag, "playback finished, awaiting drain");
     sDecoder->open({});
-    sStreamCues.clear();
     return;
   }
 
@@ -212,6 +210,7 @@ void AudioState::react(const TtsPlaybackChanged& ev) {
 }
 
 void AudioState::react(const internal::DecodingFinished& ev) {
+  ESP_LOGD(kTag, "end of file decoded; awaiting playback of buffered audio");
   // If we just finished playing whatever's at the front of the queue, then we
   // need to advanve and start playing the next one ASAP in order to continue
   // gaplessly.

src/tangara/audio/stream_cues.cpp

@@ -43,11 +43,6 @@ auto StreamCues::addCue(std::shared_ptr<TrackInfo> track, uint32_t sample)
   }
 }
 
-auto StreamCues::clear() -> void {
-  upcoming_.clear();
-  current_ = {};
-}
-
 auto StreamCues::current() -> std::pair<std::shared_ptr<TrackInfo>, uint32_t> {
   if (!current_) {
     return {};

src/tangara/audio/stream_cues.hpp

@@ -34,8 +34,6 @@ class StreamCues {
 
   auto addCue(std::shared_ptr<TrackInfo>, uint32_t start_at) -> void;
 
-  auto clear() -> void;
-
  private:
   uint32_t now_;