avcodec/libx264: return error if unknown picture type encountered

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>

avcodec/libx264: return error if unknown picture type encountered
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
8b077511 · Limin Wang · f5e33514 · 8b077511
Commit 8b077511 authored Apr 18, 2020 by Limin Wang
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libx264.c libavcodec/libx264.c +2 -1

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--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -476,7 +476,8 @@ static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
        pict_type = AV_PICTURE_TYPE_B;
        break;
    default:
-        pict_type = AV_PICTURE_TYPE_NONE;
+        av_log(ctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
+        return AVERROR_EXTERNAL;
    }
 #if FF_API_CODED_FRAME
 FF_DISABLE_DEPRECATION_WARNINGS