In intra-only mode, frameIntervalP is 0, which means the frame
data array is smaller than the number of surfaces. This causes a
crash when closing the encoder.

Fix this by making sure the frame data array is at least as big as
the number of surfaces.
---
 libavcodec/nvenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index a9945355ba..93e87b21db 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -1021,7 +1021,7 @@ static av_cold int nvenc_recalc_surfaces(AVCodecContext 
*avctx)
 
     // Output in the worst case will only start when the surface buffer is 
completely full.
     // Hence we need to keep at least the max amount of surfaces plus the max 
reorder delay around.
-    ctx->frame_data_array_nb = ctx->nb_surfaces + 
ctx->encode_config.frameIntervalP - 1;
+    ctx->frame_data_array_nb = FFMAX(ctx->nb_surfaces, ctx->nb_surfaces + 
ctx->encode_config.frameIntervalP - 1);
 
     return 0;
 }
-- 
2.39.2

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