9 best_effort_timestamp=0
10 best_effort_timestamp_time=0.000000
12 pkt_duration_time=0.040000
18 sample_aspect_ratio=1:1
20 coded_picture_number=0
21 display_picture_number=0
27 color_primaries=unknown
28 color_transfer=unknown
29 chroma_location=unspecified
30 TAG:document_name=image_small.tiff
31 TAG:page_number= 0 / 1
32 TAG:software=ImageMagick 6.5.8-0 2010-02-09 Q16 http://www.imagemagick.org