buffersrc: default SAR to 0 (unknown) rather than 1
authorAnton Khirnov <anton@khirnov.net>
Fri, 12 Feb 2016 08:21:00 +0000 (09:21 +0100)
committerAnton Khirnov <anton@khirnov.net>
Sun, 14 Feb 2016 20:24:24 +0000 (21:24 +0100)
commitc084d6d2cfb570b10d8784eb20cc696dfb7c5605
tree7646abdc28603d76cc6a4e4cbdeceb02286a1a9f
parenta2bb771a3cded8a05137c0effb34f61a2bc78e22
buffersrc: default SAR to 0 (unknown) rather than 1

It makes more sense to not claim anything about the SAR if we don't know
anything. No changes in the FATE tests, since this is what avconv ends
up doing anyway.
libavfilter/buffersrc.c