[Libav-user] what negative start_time means

[黄轩宇]

Hi Guys,

I met a problem when opening a testing ts file.
https://dl.dropbox.com/u/89678527/aavv_mpeg2video_30_yuv420p_dar4x3_sar10x11_ac3_48000_2_1.ts

The start_time field of all 4 streams (2 video streams and 2 audio streams)
are negative values.

Does anyone knows what this means?

Great thanks!
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