id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
479	AVStream.start_time incorrect by 2 frames for Sony XDCAM-EX files	rmk		"All samples of Sony XDCAM-EX files start with two B-frames (presentation order) and then an I-frame. The two B-frames decode fine. The pictures look good in all cases. However, AVStream.start_time for these streams is always returned as the PTS of the first I-frame. Since the field is documented as the PTS of the first frame I thought this behavior is an error since I assume that ""first"" is meant as in presentation order as I thought the start_time field was used for things like seek offset calculations but I might be wrong here. Otherwise it would be good to make the documentation more specific here.

I uploaded a sample (66MB) to 

http://www.datafilehost.com/download-abdaeffe.html

"	defect	reopened	normal	avformat	unspecified						0	0