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avformat/rmdec: fix support for 0 sized mdpr
Fixes Ticket4393 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -320,6 +320,8 @@ int ff_rm_read_mdpr_codecdata(AVFormatContext *s, AVIOContext *pb,
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if (codec_data_size > INT_MAX)
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return AVERROR_INVALIDDATA;
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if (codec_data_size == 0)
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return 0;
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avpriv_set_pts_info(st, 64, 1, 1000);
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codec_pos = avio_tell(pb);
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