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Gadgetbridge
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Amazfit Cor: implement basic music controls 

Play/pause and skip to previous/next song work. The currently playing song
name is shown on the Cor. The track length and progress are now shown as
we don't know how to send these yet.
This commit is contained in:
Daniele Gobbetti 2018-08-06 23:11:40 +02:00
parent cc3c70b161
commit 3fac021ff2
3 changed files with 130 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/MusicSpec.java
View File

@ -75,4 +75,16 @@ public class MusicSpec {
result = 31 * result + trackNr;
return result;
}
@Override
public String toString() {
return "MusicSpec{" +
"artist='" + artist + '\'' +
", album='" + album + '\'' +
", track='" + track + '\'' +
", duration=" + duration +
", trackCount=" + trackCount +
", trackNr=" + trackNr +
'}';
}
}

11
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/MusicStateSpec.java
View File

@ -71,4 +71,15 @@ public class MusicStateSpec {
result = 31 * result + (int) repeat;
return result;
}
@Override
public String toString() {
return "MusicStateSpec{" +
"state=" + state +
", position=" + position +
", playRate=" + playRate +
", shuffle=" + shuffle +
", repeat=" + repeat +
'}';
}
}

109
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java
View File

@ -34,6 +34,8 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
@ -171,6 +173,10 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
private RealtimeSamplesSupport realtimeSamplesSupport;
private boolean alarmClockRinging;
private boolean isMusicAppStarted = false;
private MusicSpec bufferMusicSpec = null;
private MusicStateSpec bufferMusicStateSpec = null;
public HuamiSupport() {
this(LOG);
}
@ -726,12 +732,102 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
@Override
public void onSetMusicState(MusicStateSpec stateSpec) {
// not supported
if (bufferMusicStateSpec != stateSpec)
bufferMusicStateSpec = stateSpec;
sendMusicStateToDevice();
}
@Override
public void onSetMusicInfo(MusicSpec musicSpec) {
// not supported
if (bufferMusicSpec != musicSpec)
bufferMusicSpec = musicSpec;
if (!isMusicAppStarted) {
return;
}
sendMusicStateToDevice();
}
private void sendMusicStateToDevice() {
if (characteristicChunked == null) {
return;
}
if (bufferMusicSpec == null && bufferMusicStateSpec == null) {
try {
TransactionBuilder builder = performInitialized("send dummy playback info to enable music controls");
writeToChunked(builder, 3, new byte[]{1, 0, 1, 0, 0, 0, 1, 0});
builder.queue(getQueue());
} catch (IOException e) {
LOG.error("Unable to send dummy music controls");
}
return;
}
byte flags = 0x00;
flags |= 0x01;
int length = 8;
if (bufferMusicSpec.track != null && bufferMusicSpec.track.getBytes().length > 0) {
length += bufferMusicSpec.track.getBytes().length + 1;
flags |= 0x02;
}
if (bufferMusicSpec.album != null && bufferMusicSpec.album.getBytes().length > 0) {
length += bufferMusicSpec.album.getBytes().length + 1;
flags |= 0x04;
}
if (bufferMusicSpec.artist != null && bufferMusicSpec.artist.getBytes().length > 0) {
length += bufferMusicSpec.artist.getBytes().length + 1;
flags |= 0x08;
}
// LOG.info("Music flags are: " + (flags & 0xff));
try {
ByteBuffer buf = ByteBuffer.allocate(length);
buf.order(ByteOrder.LITTLE_ENDIAN);
buf.put(flags);
byte state;
switch (bufferMusicStateSpec.state) {
case MusicStateSpec.STATE_PLAYING:
state = 1;
break;
default:
state = 0;
}
buf.put(state);
buf.put(new byte[]{0x1, 0x0, 0x0, 0x0}); //unknown
buf.put(new byte[]{0x1,0x0}); //show track
// buf.put(new byte[]{0x1,0x1}); //show album
if (bufferMusicSpec.track != null && bufferMusicSpec.track.getBytes().length > 0) {
buf.put(bufferMusicSpec.track.getBytes());
buf.put((byte) 0);
}
if (bufferMusicSpec.album != null && bufferMusicSpec.album.getBytes().length > 0) {
buf.put(bufferMusicSpec.album.getBytes());
buf.put((byte) 0);
}
if (bufferMusicSpec.artist != null && bufferMusicSpec.artist.getBytes().length > 0) {
buf.put(bufferMusicSpec.artist.getBytes());
buf.put((byte) 0);
}
TransactionBuilder builder = performInitialized("send playback info");
writeToChunked(builder, 3, buf.array());
builder.queue(getQueue());
} catch (IOException e) {
LOG.error("Unable to send playback state");
}
// LOG.info("Sent music: " + bufferMusicSpec.toString() + " " + bufferMusicStateSpec.toString());
}
@Override
@ -1012,6 +1108,15 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
case 6:
deviceEventMusicControl.event = GBDeviceEventMusicControl.Event.VOLUMEDOWN;
break;
case (byte) 224:
LOG.info("Music app started");
isMusicAppStarted = true;
sendMusicStateToDevice();
break;
case (byte) 225:
LOG.info("Music app terminated");
isMusicAppStarted = false;
break;
default:
LOG.info("unhandled music control event " + value[1]);
return;