From 6ed04fa9a430d2621345aaa70403ba2c15a63834 Mon Sep 17 00:00:00 2001
From: Damiano Galassi <damiog@gmail.com>
Date: Mon, 1 Mar 2021 09:02:53 +0100
Subject: [PATCH] avcodec/videotoolboxenc: set a duration on the frame used to
 generate the extradata, some encoders (hevc 10bit on kaby lake) otherwise
 fails.

---
 libavcodec/videotoolboxenc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index cc08cf6..3d6af3b 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -2414,7 +2414,7 @@ static int vtenc_populate_extradata(AVCodecContext   *avctx,
     int status;
     CVPixelBufferPoolRef pool = NULL;
     CVPixelBufferRef pix_buf = NULL;
-    CMTime time;
+    CMTime time, duration;
     CMSampleBufferRef buf = NULL;
 
     status = vtenc_create_encoder(avctx,
@@ -2443,10 +2443,11 @@ static int vtenc_populate_extradata(AVCodecContext   *avctx,
     }
 
     time = CMTimeMake(0, avctx->time_base.den);
+    duration = CMTimeMake(avctx->time_base.den, avctx->time_base.den);
     status = VTCompressionSessionEncodeFrame(vtctx->session,
                                              pix_buf,
                                              time,
-                                             kCMTimeInvalid,
+                                             duration,
                                              NULL,
                                              NULL,
                                              NULL);
-- 
2.29.2 (Apple Git-129)