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-rw-r--r--libavformat/apngdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index bb17896ee5..7a284e32c2 100644
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -269,7 +269,7 @@ static int decode_fctl_chunk(AVFormatContext *s, APNGDemuxContext *ctx, AVPacket
/* default is hundredths of seconds */
if (!delay_den)
delay_den = 100;
- if (!delay_num || delay_den / delay_num > ctx->max_fps) {
+ if (!delay_num || (ctx->max_fps && delay_den / delay_num > ctx->max_fps)) {
delay_num = 1;
delay_den = ctx->default_fps;
}