Cherry pick PR #1776: [android] Handle error in MinRequiredFramesTester

starboard/android/shared/audio_sink_min_required_frames_tester.cc

@@ -113,6 +113,7 @@ void MinRequiredFramesTester::TesterThreadFunc() {
     frame_buffers[0] = silence_buffer.data();
 
     // Set default values.
+    has_error_ = false;
     min_required_frames_ = task.default_required_frames;
     total_consumed_frames_ = 0;
     last_underrun_count_ = -1;
@@ -148,6 +149,13 @@ void MinRequiredFramesTester::TesterThreadFunc() {
       min_required_frames_ = max_required_frames_;
     }
 
+    if (has_error_) {
+      SB_LOG(ERROR) << "There's an error while running the test. Fallback to "
+                       "max required frames "
+                    << max_required_frames_ << ".";
+      min_required_frames_ = max_required_frames_;
+    }
+
     if (start_threshold > min_required_frames_) {
       SB_LOG(INFO) << "Audio sink min required frames is overwritten from "
                    << min_required_frames_ << " to audio track start threshold "
@@ -197,9 +205,10 @@ void MinRequiredFramesTester::ErrorFunc(bool capability_changed,
                                         const std::string& error_message,
                                         void* context) {
   SB_LOG(ERROR) << "Error occurred while writing frames: " << error_message;
-  // TODO: Handle errors during minimum frames test, maybe by terminating the
-  //       test earlier.
-  SB_NOTREACHED();
+
+  MinRequiredFramesTester* tester =
+      static_cast<MinRequiredFramesTester*>(context);
+  tester->has_error_ = true;
 }
 
 void MinRequiredFramesTester::UpdateSourceStatus(int* frames_in_buffer,

starboard/android/shared/audio_sink_min_required_frames_tester.h

@@ -107,6 +107,7 @@ class MinRequiredFramesTester {
   std::vector<const TestTask> test_tasks_;
   AudioTrackAudioSink* audio_sink_ = nullptr;
   int min_required_frames_;
+  std::atomic_bool has_error_;
 
   // Used only by audio sink thread.
   int total_consumed_frames_;