Dynamically allocate more memory to AudioBlockFifo

media/audio/pulse/pulse_input.cc

Index: media/audio/pulse/pulse_input.cc
diff --git a/media/audio/pulse/pulse_input.cc b/media/audio/pulse/pulse_input.cc
index b9d91c6a679d501c194a7d57c8c993839baf3384..13d8eab39fd439656759cde50fef377b7a37e466 100644
--- a/media/audio/pulse/pulse_input.cc
+++ b/media/audio/pulse/pulse_input.cc
@@ -270,6 +270,15 @@ void PulseAudioInputStream::ReadData() {
       break;
 
     const int number_of_frames = length / params_.GetBytesPerFrame();
+    if (number_of_frames > fifo_.GetUnfilledFrames()) {
+      // Dynamically append buffers to the FIFO to handle larger buffer got
+      // from Pulse.
+      const int append_blocks_of_buffer = static_cast<int>(
+          (number_of_frames - fifo_.GetUnfilledFrames()) /
+              params_.frames_per_buffer()) + 1;
+      fifo_.Append(append_blocks_of_buffer);
+    }
+
     fifo_.Push(data, number_of_frames, params_.bits_per_sample() / 8);
 
     // Checks if we still have data.