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Avoid using max operating rate on Android Q and non-Qualcomm devices

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This commit is contained in:
Cameron Gutman 2020-07-01 11:26:40 -05:00
parent 2d9915e43a
commit 43c67b4939
2 changed files with 16 additions and 5 deletions
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8
app/src/main/java/com/limelight/binding/video/MediaCodecDecoderRenderer.java
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@ -334,11 +334,9 @@ public class MediaCodecDecoderRenderer extends VideoDecoderRenderer {
videoFormat.setInteger("vendor.qti-ext-dec-low-latency.enable", 1);
}
// Operate at maximum rate to lower latency as much as possible on
// some Qualcomm platforms. We could also set KEY_PRIORITY to 0 (realtime)
// but that will actually result in the decoder crashing if it can't satisfy
// our (ludicrous) operating rate requirement.
videoFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, Short.MAX_VALUE);
if (MediaCodecHelper.decoderSupportsMaxOperatingRate(selectedDecoderName)) {
videoFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, Short.MAX_VALUE);
}
}
configuredFormat = videoFormat;

13
app/src/main/java/com/limelight/binding/video/MediaCodecHelper.java
View File

@ -354,6 +354,19 @@ public class MediaCodecHelper {
return false;
}
public static boolean decoderSupportsMaxOperatingRate(String decoderName) {
// Operate at maximum rate to lower latency as much as possible on
// some Qualcomm platforms. We could also set KEY_PRIORITY to 0 (realtime)
// but that will actually result in the decoder crashing if it can't satisfy
// our (ludicrous) operating rate requirement. This seems to cause reliable
// crashes on the Xiaomi Mi 10 lite 5G on Android 10, and probably isn't too
// useful in light of the qti-ext-dec-low-latency code. To be safe, we'll
// disable it on devices running Q or non-Qualcomm devices.
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M &&
Build.VERSION.SDK_INT < Build.VERSION_CODES.Q &&
isDecoderInList(qualcommDecoderPrefixes, decoderName);
}
public static boolean decoderSupportsAdaptivePlayback(MediaCodecInfo decoderInfo, String mimeType) {
// Possibly enable adaptive playback on KitKat and above
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {