From a9429efa34b3cbdc57847cb37d3621b889522c7f Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Sun, 23 Jan 2022 21:46:57 +0100
Subject: [PATCH] Fix downsize on error before first frame

Retry with a lower definition if MediaCodec fails before the first
frame, not the first packet.

In practice, the first packet is a config packet without any frame, and
MediaCodec might fail just after.

Refs 2eb6fe7d81c15912a2252f229d317ae03f618a33
Refs #2963 <https://github.com/Genymobile/scrcpy/issues/2963>
---
 .../src/main/java/com/genymobile/scrcpy/ScreenEncoder.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/server/src/main/java/com/genymobile/scrcpy/ScreenEncoder.java b/server/src/main/java/com/genymobile/scrcpy/ScreenEncoder.java
index e4e87c72..4c23dd92 100644
--- a/server/src/main/java/com/genymobile/scrcpy/ScreenEncoder.java
+++ b/server/src/main/java/com/genymobile/scrcpy/ScreenEncoder.java
@@ -159,7 +159,10 @@ public class ScreenEncoder implements Device.RotationListener {
                     }
 
                     IO.writeFully(fd, codecBuffer);
-                    firstFrameSent = true;
+                    if ((bufferInfo.flags & MediaCodec.BUFFER_FLAG_CODEC_CONFIG) == 0) {
+                        // If this is not a config packet, then it contains a frame
+                        firstFrameSent = true;
+                    }
                 }
             } finally {
                 if (outputBufferId >= 0) {