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hevc: do not dereference pointer before NULL check in verify_md5()
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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@ -2765,12 +2765,14 @@ static void print_md5(void *log_ctx, int level, uint8_t md5[16])
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static int verify_md5(HEVCContext *s, AVFrame *frame)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
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int pixel_shift = desc->comp[0].depth_minus1 > 7;
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int pixel_shift;
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int i, j;
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if (!desc)
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return AVERROR(EINVAL);
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pixel_shift = desc->comp[0].depth_minus1 > 7;
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av_log(s->avctx, AV_LOG_DEBUG, "Verifying checksum for frame with POC %d: ",
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s->poc);
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