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Restrict operating rate workaround to SM8550

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PiperOrigin-RevId: 585613041
This commit is contained in:
andrewlewis 2023-11-27 04:40:08 -08:00 committed by Copybara-Service
parent 8b38b34b9f
commit e84a13fb54
2 changed files with 12 additions and 5 deletions
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14
libraries/transformer/src/main/java/androidx/media3/transformer/DefaultEncoderFactory.java
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@ -29,6 +29,7 @@ import static java.lang.Math.round;
import android.content.Context;
import android.media.MediaCodecInfo;
import android.media.MediaFormat;
import android.os.Build;
import android.util.Pair;
import android.util.Size;
import androidx.annotation.Nullable;
@ -518,16 +519,21 @@ public final class DefaultEncoderFactory implements Codec.EncoderFactory {
if (Util.SDK_INT == 26) {
mediaFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, DEFAULT_FRAME_RATE);
} else if (Util.SDK_INT <= 34) {
// On some devices setting Integer.MAX_VALUE will cause the encoder to throw at configuration
// time. Setting the operating to 1000 avoids being close to an integer overflow limit while
// being higher than a maximum feasible operating rate. See [internal b/311206113].
} else if (deviceNeedsLowerOperatingRateAvoidingOverflowWorkaround()) {
mediaFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, 1000);
} else {
mediaFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, Integer.MAX_VALUE);
}
}
private static boolean deviceNeedsLowerOperatingRateAvoidingOverflowWorkaround() {
// On this chipset, setting an operating rate close to Integer.MAX_VALUE will cause the encoder
// to throw at configuration time. Setting the operating rate to 1000 avoids being close to an
// integer overflow limit while being higher than a maximum feasible operating rate. See
// [internal b/311206113].
return Util.SDK_INT >= 31 && Util.SDK_INT <= 34 && Build.SOC_MODEL.equals("SM8550");
}
/**
* Applying suggested profile/level settings from
* https://developer.android.com/guide/topics/media/sharing-video#b-frames_and_encoding_profiles

3
libraries/transformer/src/test/java/androidx/media3/transformer/DefaultEncoderFactoryTest.java
View File

@ -231,7 +231,8 @@ public class DefaultEncoderFactoryTest {
assertThat(configurationMediaFormat.containsKey(MediaFormat.KEY_PRIORITY)).isTrue();
assertThat(configurationMediaFormat.getInteger(MediaFormat.KEY_PRIORITY)).isEqualTo(1);
assertThat(configurationMediaFormat.containsKey(MediaFormat.KEY_OPERATING_RATE)).isTrue();
assertThat(configurationMediaFormat.getInteger(MediaFormat.KEY_OPERATING_RATE)).isEqualTo(1000);
assertThat(configurationMediaFormat.getInteger(MediaFormat.KEY_OPERATING_RATE))
.isEqualTo(Integer.MAX_VALUE);
}
@Test