contrib: Add AMF/VCE H.264 loop filter flag patch to FFmpeg.

diff --git a/contrib/ffmpeg/A00-amf-h264-loop.patch b/contrib/ffmpeg/A00-amf-h264-loop.patch
new file mode 100644 (file)
index 0000000..5617dbc
--- /dev/null
+++ b/contrib/ffmpeg/A00-amf-h264-loop.patch
@@ -0,0 +1,23 @@
+From 27da30adddc6f9c5fcbc0d3a0b791db061d179cf Mon Sep 17 00:00:00 2001
+From: OvchinnikovDmitrii <ovchinnikov.dmitrii@gmail.com>
+Date: Fri, 11 Oct 2019 18:37:13 +0300
+Subject: [PATCH] libavcodec/amfenc_h264.c: Changed loop filter flag default
+ value.
+
+The value has been changed to match the recommended(by AMF Encoder team)
+---
+ libavcodec/amfenc_h264.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/libavcodec/amfenc_h264.c b/libavcodec/amfenc_h264.c
+index 2c082e93bd9..7f2817f1157 100644
+--- a/libavcodec/amfenc_h264.c
++++ b/libavcodec/amfenc_h264.c
+@@ -366,6 +366,7 @@ static const AVCodecDefault defaults[] = {
+     { "b",          "2M"  },
+     { "g",          "250" },
+     { "slices",     "1"   },
++    { "flags",      "+loop"},
+     { NULL                },
+ };
+