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iff: process DEEP DLOC chunk to obtain image dimensions
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -63,6 +63,7 @@
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#define ID_BODY MKTAG('B','O','D','Y')
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#define ID_DBOD MKTAG('D','B','O','D')
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#define ID_DPEL MKTAG('D','P','E','L')
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#define ID_DLOC MKTAG('D','L','O','C')
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#define LEFT 2
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#define RIGHT 4
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@ -281,6 +282,13 @@ static int iff_read_header(AVFormatContext *s)
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st->codec->bits_per_coded_sample = 24;
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break;
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case ID_DLOC:
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if (data_size < 4)
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return AVERROR_INVALIDDATA;
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st->codec->width = avio_rb16(pb);
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st->codec->height = avio_rb16(pb);
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break;
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case ID_ANNO:
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case ID_TEXT: metadata_tag = "comment"; break;
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case ID_AUTH: metadata_tag = "artist"; break;
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