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Update all comments for BT SCO Feature funtionality

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This commit is contained in:
sonora 2016-07-04 13:10:20 +02:00
parent e2d76e76cd
commit 73a26269e2
4 changed files with 5 additions and 5 deletions
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2
OsmAnd/src/net/osmand/plus/routing/VoiceRouter.java
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@ -181,7 +181,7 @@ public class VoiceRouter {
currentSpeed = DEFAULT_SPEED;
}
// Trigger close prompts earlier to allow for BT SCO connection delay
// Trigger close prompts earlier if delayed for BT SCO connection establishment
if ((settings.AUDIO_STREAM_GUIDANCE.get() == 0) && !AbstractPrologCommandPlayer.btScoStatus) {
btScoDelayDistance = currentSpeed * (double) AbstractPrologCommandPlayer.BT_SCO_DELAY / 1000;
}

5
OsmAnd/src/net/osmand/plus/voice/AbstractPrologCommandPlayer.java
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@ -312,11 +312,10 @@ public abstract class AbstractPrologCommandPlayer implements CommandPlayer, Stat
public static final int BT_SCO_DELAY = 1500;
private boolean startBtSco() {
// Establish a low quality Synchronous Connection-Oriented link to BT to e.g. interrupt a car stereo
// http://stackoverflow.com/questions/2144694/routing-audio-to-bluetooth-headset-non-a2dp-on-android
// Hardy, 2016-07-03: Establish a low quality BT SCO (Synchronous Connection-Oriented) link to interrupt e.g. a car stereo FM radio
try {
AudioManager mAudioManager = (AudioManager) ctx.getSystemService(Context.AUDIO_SERVICE);
//if (mAudioManager == null || !mAudioManager.isBluetoothScoAvailableOffCall()) {
// Should we get error reports from users, let's check for "|| !mAudioManager.isBluetoothScoAvailableOffCall()" or even BT=ON here:
if (mAudioManager == null) {
return false;
}

1
OsmAnd/src/net/osmand/plus/voice/MediaCommandPlayerImpl.java
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@ -73,6 +73,7 @@ public class MediaCommandPlayerImpl extends AbstractPrologCommandPlayer implemen
// If we have not already started to play audio, start.
if (mediaPlayer == null) {
requestAudioFocus();
// TODO: Delay first prompt of each batch to allow BT SCO connection being established (cf TTSCommandPlayerImpl)
playQueue();
}
}

2
OsmAnd/src/net/osmand/plus/voice/TTSCommandPlayerImpl.java
View file

@ -107,7 +107,7 @@ public class TTSCommandPlayerImpl extends AbstractPrologCommandPlayer {
if (mTts != null && !vrt.isMute()) {
if (ttsRequests++ == 0) {
requestAudioFocus();
// Delay prompts to allow BT SCO connection being established
// Delay first prompt of each batch to allow BT SCO connection being established
if (ctx.getSettings().AUDIO_STREAM_GUIDANCE.get() == 0) {
ttsRequests++;
if (android.os.Build.VERSION.SDK_INT <= 21) {