moonlight-stream/moonlight-android
1
0
Fork 0
mirror of https://github.com/moonlight-stream/moonlight-android.git synced 2026-02-16 10:31:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Set constraint flags corresponding to Constrained High Profile on KitKat and higher. Fixes Nexus Player high latency on Android 6.0.

Browse Source
This commit is contained in:
Cameron Gutman
2015-10-10 23:28:48 -07:00
parent 87a9ca4318
commit fd12e30c53
2 changed files with 24 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
app/src/main/java/com/limelight/binding/video/MediaCodecDecoderRenderer.java
View File

@@ -535,6 +535,25 @@ public class MediaCodecDecoderRenderer extends EnhancedDecoderRenderer {
sps.vuiParams.bitstreamRestriction = null;
}
// Set constraint flags 4 & 5 to make this Constrained High Profile
// which allows the decoder to assume there will be no B-frames and
// reduce delay and buffering accordingly.
//
// This profile is fairly new (standardized in H264 revision 2012-06) and
// it's known that at least some devices don't like these previously unused
// constraints being set. To minimize the chance of interfering with old devices,
// I'm only setting these on KitKat or higher. It's an arbitrary limitation and could
// change if it causes problems.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
sps.constraint_set_4_flag = true;
sps.constraint_set_5_flag = true;
}
else {
// Force the constraints unset for < 4.4 (some may be set by default)
sps.constraint_set_4_flag = false;
sps.constraint_set_5_flag = false;
}
// If we need to hack this SPS to say we're baseline, do so now
if (needsBaselineSpsHack) {
LimeLog.info("Hacking SPS to baseline");