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Extract rotation in MOV metadata
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@ -1926,6 +1926,10 @@ static int mov_read_tkhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
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sc->width = width >> 16;
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sc->height = height >> 16;
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if (display_matrix[0][0] == -65536 && display_matrix[1][1] == -65536) {
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av_metadata_set2(&st->metadata, "rotate", "180", 0);
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}
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// transform the display width/height according to the matrix
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// skip this if the display matrix is the default identity matrix
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// or if it is rotating the picture, ex iPhone 3GS
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