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Add getAllSurroundEncodingsMaybeSupported()

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Cedric T 2023-05-05 14:27:07 +08:00 committed by Tianyi Feng
parent 3b9d680914
commit d01a93b94e
1 changed files with 17 additions and 5 deletions
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22
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/AudioCapabilities.java
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@ -42,6 +42,7 @@ import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.primitives.Ints;
import java.util.ArrayList;
import java.util.Arrays;
/** Represents the set of audio formats that a device is capable of playing. */
@ -365,11 +366,7 @@ public final class AudioCapabilities {
@DoNotInline
public static int[] getDirectPlaybackSupportedEncodings() {
ImmutableList.Builder<Integer> supportedEncodingsListBuilder = ImmutableList.builder();
for (int encoding : ALL_SURROUND_ENCODINGS_AND_MAX_CHANNELS.keySet()) {
// Skip ENCODING_DTS_UHD_P2 if API < 34. Otherwise setEncoding will crash.
if ((Util.SDK_INT < 34) && (encoding == C.ENCODING_DTS_UHD_P2)) {
continue;
}
for (int encoding : getAllSurroundEncodingsMaybeSupported()) {
if (AudioTrack.isDirectPlaybackSupported(
new AudioFormat.Builder()
.setChannelMask(AudioFormat.CHANNEL_OUT_STEREO)
@ -406,5 +403,20 @@ public final class AudioCapabilities {
}
return 0;
}
/**
* Returns an array list of surround encodings that maybe supported.
*/
private static ArrayList<Integer> getAllSurroundEncodingsMaybeSupported() {
ArrayList<Integer> encodings = new ArrayList<>();
for (int encoding : ALL_SURROUND_ENCODINGS_AND_MAX_CHANNELS.keySet()) {
// AudioFormat.ENCODING_DTS_UHD_P2 is supported from API 34.
if (Util.SDK_INT < 34 && encoding == C.ENCODING_DTS_UHD_P2) {
continue;
}
encodings.add(encoding);
}
return encodings;
}
}
}