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Commit ad13a121 authored by David Duarte's avatar David Duarte
Browse files

BlueberryServer: Always play audio track 

In some runs of PtsBot cases a2dp is already playing
(`isA2dpPlaying` returns true) when we start. In this
case we don't call AudioTrack#play making the playback
AudioTrack#write calls fails.
We should investigate why a2dp is playing instead but
in the meantime this is a simple and effective fix.

Test: atest pts-bot
Change-Id: I67d81723fb0c468f8629e0bfe4c43adac59a709c
parent 76e55632

android/blueberry/server/src/com/android/blueberry/A2dp.kt

+11 −10
Original line number Diff line number Diff line
@@ -168,17 +168,18 @@ class A2dp(val context: Context) : A2DPImplBase() { 
        throw Status.UNKNOWN.asException()

      }



      audioTrack.play()



      // If A2dp is not already playing, wait for it

      if (!bluetoothA2dp.isA2dpPlaying(device)) {

        val a2dpPlayingStateFlow =

        flow

          .filter { it.getAction() == BluetoothA2dp.ACTION_PLAYING_STATE_CHANGED }

          .filter {

            it.getParcelableExtra<BluetoothDevice>(BluetoothDevice.EXTRA_DEVICE).address == address

          }

          .map { it.getIntExtra(BluetoothA2dp.EXTRA_STATE, BluetoothAdapter.ERROR) }



        audioTrack.play()

        a2dpPlayingStateFlow.filter { it == BluetoothA2dp.STATE_PLAYING }.first()

          .filter { it == BluetoothA2dp.STATE_PLAYING }

          .first()

      }

      StartResponse.getDefaultInstance()

    }