Use isDirectPlaybackSupported in AudioCapabilities

For Q devices and higher, use AudioTrack.isDirectPlaybackSupported for determining AudioCapabilities.
google · Jun 7, 2021 · cb1084f · cb1084f
1 parent c7290a9
commit cb1084f
Showing 1 changed file with 40 additions and 0 deletions.
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/audio/AudioCapabilities.java b/library/core/src/main/java/com/google/android/exoplayer2/audio/AudioCapabilities.java
@@ -21,12 +21,16 @@
 import android.content.IntentFilter;
 import android.media.AudioFormat;
 import android.media.AudioManager;
+import android.media.AudioTrack;
 import android.net.Uri;
 import android.provider.Settings.Global;
 import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.util.Util;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 /** Represents the set of audio formats that a device is capable of playing. */
 public final class AudioCapabilities {
@@ -68,6 +72,9 @@ public static AudioCapabilities getCapabilities(Context context) {
  && Global.getInt(context.getContentResolver(), EXTERNAL_SURROUND_SOUND_KEY, 0) == 1) {
  return EXTERNAL_SURROUND_SOUND_CAPABILITIES;
  }
+ if (Util.SDK_INT >= 29) {
+ return new AudioCapabilities(getDirectPlaybackSupportedEncodings(), DEFAULT_MAX_CHANNEL_COUNT);
+ }
  if (intent == null || intent.getIntExtra(AudioManager.EXTRA_AUDIO_PLUG_STATE, 0) == 0) {
  return DEFAULT_AUDIO_CAPABILITIES;
  }
@@ -159,4 +166,37 @@ private static boolean deviceMaySetExternalSurroundSoundGlobalSetting() {
  return Util.SDK_INT >= 17
  && ("Amazon".equals(Util.MANUFACTURER) || "Xiaomi".equals(Util.MANUFACTURER));
  }
+
+ @RequiresApi(29)
+ private static int[] getDirectPlaybackSupportedEncodings() {
+ int[] possibleEncodings = new int[]{
+ AudioFormat.ENCODING_AC3,
+ AudioFormat.ENCODING_AC4,
+ AudioFormat.ENCODING_DOLBY_TRUEHD,
+ AudioFormat.ENCODING_DTS,
+ AudioFormat.ENCODING_DTS_HD,
+ AudioFormat.ENCODING_E_AC3,
+ AudioFormat.ENCODING_E_AC3_JOC,
+ };
+ List<Integer> supportedEncodingsList = new ArrayList<>();
+ for (int e : possibleEncodings) {
+ if (AudioTrack.isDirectPlaybackSupported(
+ new AudioFormat.Builder()
+ .setChannelMask(AudioFormat.CHANNEL_OUT_STEREO)
+ .setEncoding(e)
+ .setSampleRate(48000)
+ .build(),
+ new android.media.AudioAttributes.Builder()
+ .setUsage(android.media.AudioAttributes.USAGE_MEDIA)
+ .setContentType(android.media.AudioAttributes.CONTENT_TYPE_MOVIE)
+ .setFlags(0)
+ .build())) {
+ supportedEncodingsList.add(e);
+ }
+ }
+ supportedEncodingsList.add(AudioFormat.ENCODING_PCM_16BIT);
+ return supportedEncodingsList.stream()
+ .mapToInt(Integer::intValue)
+ .toArray();
+ }
 }