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Add support for Opus over A2DP

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This CL add support for Opus as an A2DP codec in Audio Framework and
selection of the codec in Developer Options.

Bug: 226441860
Test: Sink device using bds-dev

Change-Id: I1d68209e8f996e78adeed03b77a3ee9cacda6307
This commit is contained in:
Omer Osman
2022-04-22 02:04:38 +00:00
parent 3845cbd933
commit 66e4abf7da
4 changed files with 28 additions and 1 deletions
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11
media/java/android/media/AudioSystem.java
View File

@@ -65,6 +65,8 @@ public class AudioSystem
private static final String TAG = "AudioSystem";
private static final int SOURCE_CODEC_TYPE_OPUS = 6; // TODO remove in U
// private constructor to prevent instantiating AudioSystem
private AudioSystem() {
throw new UnsupportedOperationException("Trying to instantiate AudioSystem");
@@ -243,6 +245,8 @@ public class AudioSystem
public static final int AUDIO_FORMAT_LDAC = 0x23000000;
/** @hide */
public static final int AUDIO_FORMAT_LC3 = 0x2B000000;
/** @hide */
public static final int AUDIO_FORMAT_OPUS = 0x08000000;
/** @hide */
@@ -254,7 +258,9 @@ public class AudioSystem
AUDIO_FORMAT_APTX,
AUDIO_FORMAT_APTX_HD,
AUDIO_FORMAT_LDAC,
AUDIO_FORMAT_LC3}
AUDIO_FORMAT_LC3,
AUDIO_FORMAT_OPUS
}
)
@Retention(RetentionPolicy.SOURCE)
public @interface AudioFormatNativeEnumForBtCodec {}
@@ -287,6 +293,7 @@ public class AudioSystem
case AUDIO_FORMAT_APTX_HD: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD;
case AUDIO_FORMAT_LDAC: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC;
case AUDIO_FORMAT_LC3: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_LC3;
case AUDIO_FORMAT_OPUS: return SOURCE_CODEC_TYPE_OPUS; // TODO update in U
default:
Log.e(TAG, "Unknown audio format 0x" + Integer.toHexString(audioFormat)
+ " for conversion to BT codec");
@@ -329,6 +336,8 @@ public class AudioSystem
return AudioSystem.AUDIO_FORMAT_LDAC;
case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LC3:
return AudioSystem.AUDIO_FORMAT_LC3;
case SOURCE_CODEC_TYPE_OPUS: // TODO update in U
return AudioSystem.AUDIO_FORMAT_OPUS;
default:
Log.e(TAG, "Unknown BT codec 0x" + Integer.toHexString(btCodec)
+ " for conversion to audio format");

6
packages/SettingsLib/res/values/arrays.xml
View File

@@ -154,6 +154,8 @@
<item><xliff:g id="qualcomm">Qualcomm®</xliff:g> <xliff:g id="aptx">aptX™</xliff:g> audio</item>
<item><xliff:g id="qualcomm">Qualcomm®</xliff:g> <xliff:g id="aptx_hd">aptX™ HD</xliff:g> audio</item>
<item>LDAC</item>
<item>LC3</item>
<item>Opus</item>
</string-array>
<!-- Values for Bluetooth Audio Codec selection preference. -->
@@ -164,6 +166,8 @@
<item>2</item>
<item>3</item>
<item>4</item>
<item>5</item>
<item>6</item>
</string-array>
<!-- Summaries for Bluetooth Audio Codec selection preference. [CHAR LIMIT=50]-->
@@ -174,6 +178,8 @@
<item><xliff:g id="qualcomm">Qualcomm®</xliff:g> <xliff:g id="aptx">aptX™</xliff:g> audio</item>
<item><xliff:g id="qualcomm">Qualcomm®</xliff:g> <xliff:g id="aptx_hd">aptX™ HD</xliff:g> audio</item>
<item>LDAC</item>
<item>LC3</item>
<item>Opus</item>
</string-array>
<!-- Titles for Bluetooth Audio Codec Sample Rate selection preference. [CHAR LIMIT=50] -->

8
packages/SettingsLib/src/com/android/settingslib/bluetooth/A2dpProfile.java
View File

@@ -43,6 +43,8 @@ import java.util.List;
public class A2dpProfile implements LocalBluetoothProfile {
private static final String TAG = "A2dpProfile";
private static final int SOURCE_CODEC_TYPE_OPUS = 6; // TODO remove in U
private Context mContext;
private BluetoothA2dp mService;
@@ -328,6 +330,12 @@ public class A2dpProfile implements LocalBluetoothProfile {
case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC:
index = 5;
break;
case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LC3:
index = 6;
break;
case SOURCE_CODEC_TYPE_OPUS: // TODO update in U
index = 7;
break;
}
if (index < 0) {

4
services/core/java/com/android/server/audio/BtHelper.java
View File

@@ -53,6 +53,8 @@ public class BtHelper {
private static final String TAG = "AS.BtHelper";
private static final int SOURCE_CODEC_TYPE_OPUS = 6; // TODO remove in U
private final @NonNull AudioDeviceBroker mDeviceBroker;
BtHelper(@NonNull AudioDeviceBroker broker) {
@@ -907,6 +909,8 @@ public class BtHelper {
return "ENCODING_APTX_HD";
case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC:
return "ENCODING_LDAC";
case SOURCE_CODEC_TYPE_OPUS: // TODO update in U
return "ENCODING_OPUS";
default:
return "ENCODING_BT_CODEC_TYPE(" + btCodecType + ")";
}