Set MediaCodec KEY_LATENCY to the minimum value

The encoder must output a frame as soon as one frame is queued.

Refs <https://developer.android.com/reference/android/media/MediaFormat#KEY_LATENCY>
Refs #6238 comment <https://github.com/Genymobile/scrcpy/issues/6238#issuecomment-3828402687>
PR #6670 <https://github.com/Genymobile/scrcpy/pull/6670>
This commit is contained in:
Romain Vimont
2026-02-21 12:20:55 +01:00
parent 1f19ec4aec
commit 90d11810e3

View File

@@ -266,6 +266,8 @@ public class SurfaceEncoder implements AsyncProcessor {
format.setLong(MediaFormat.KEY_REPEAT_PREVIOUS_FRAME_AFTER, REPEAT_FRAME_DELAY_US); // µs
// real-time priority
format.setInteger(MediaFormat.KEY_PRIORITY, 0);
// output 1 frame as soon as 1 frame is queued
format.setInteger(MediaFormat.KEY_LATENCY, 1);
if (maxFps > 0) {
// The key existed privately before Android 10:
// <https://android.googlesource.com/platform/frameworks/base/+/625f0aad9f7a259b6881006ad8710adce57d1384%5E%21/>