[FFmpeg-devel] [PATCH] asf muxer: gracefully handle negative timestamps

[Vladimir Pantelic]

I have one asf file that when remuxed to asf with vcodec/acodec copy for
some reason has negative dts.

These negative dts end up in "sendtime" as a large integer, putting the send
time in future of the payload presentation time. This is due to the fact
that (int)asf->packet_timestamp_start is converted to (unsigned int)sendtime

Attached patch make sure that we write a sendtime of 0 in this case.

This fixes some complaints that M$ "Windows Media ASF View 9 Series" has
with the generated file.
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