Set the vendor.qti-ext-dec-low-latency.enable Qualcomm vendor extension

app/src/main/java/com/limelight/binding/video/MediaCodecHelper.java

@@ -38,6 +38,7 @@ public class MediaCodecHelper {
     private static final List<String> refFrameInvalidationHevcPrefixes;
     private static final List<String> blacklisted49FpsDecoderPrefixes;
     private static final List<String> blacklisted59FpsDecoderPrefixes;
+    private static final List<String> qualcommDecoderPrefixes;
 
     // FIXME: Remove when Android R SDK is finalized
     public static final String FEATURE_LowLatency = "low-latency";
@@ -193,6 +194,13 @@ public class MediaCodecHelper {
         }
     }
 
+    static {
+        qualcommDecoderPrefixes = new LinkedList<>();
+
+        qualcommDecoderPrefixes.add("omx.qcom");
+        qualcommDecoderPrefixes.add("c2.qti");
+    }
+
     private static boolean isPowerVR(String glRenderer) {
         return glRenderer.toLowerCase().contains("powervr");
     }
@@ -376,6 +384,13 @@ public class MediaCodecHelper {
         return false;
     }
 
+    public static boolean decoderSupportsQcomVendorLowLatency(String decoderName) {
+        // MediaCodec vendor extension support was introduced in Android 8.0:
+        // https://cs.android.com/android/_/android/platform/frameworks/av/+/01c10f8cdcd58d1e7025f426a72e6e75ba5d7fc2
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O &&
+                isDecoderInList(qualcommDecoderPrefixes, decoderName);
+    }
+
     public static boolean decoderNeedsConstrainedHighProfile(String decoderName) {
         return isDecoderInList(constrainedHighProfilePrefixes, decoderName);
     }