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This gets rid of the warning
"C4146: unary minus applied to unsigned type, result still unsigned"
with visual c++.
Change-Id: I6eb24da983136d798221db4d3a5f50dc2857a03b
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Tags VP9 tracks with the V_VP9 video type when writing to .webm files,
and supports decoding both from vpxdec without specifying --codec.
Change-Id: I0ef61dee06f4db2a74032b142a4b4976c51faf6e
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Change-Id: Iaa947e640f27e6f6eaf7d845f243536bca2df513
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This patch enables ivfdec to decode WebM files. WebM demuxing is
provided by the Matthew Gregan's Nestegg library.
This patch also makes minor changes to the timebase->framerate
handling when doing Y4M output. For WebM files, the framerate is
guessed by looking at the first second of video. For IVF files,
the timebase=1/(2*fps) hack is still in place, but is only used
if the timebase denominator is less than 1000. This is in anticipation
of change I8d25b5b, which introduces the distinction between
framerate and timebase to ivfenc. In the case of high resolution
timebases, like 100ns, we would have to guess the framerate
like we do for WebM, but since WebM support in ivfenc will
deprecate IVF output, we just assume 30fps rather than writing the
lookahead code.
Change-Id: I1dd8600f13bf6071533d2816f005da9ede4f60a2
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Initial import of nestegg[1] parser lib, at commit 0d51131.
[1]: http://github.com/kinetiknz/nestegg
commit 0d51131519a1014660b5e111e28a78785d76600f
Change-Id: I191d388b7e5140ef96624511ccdd65d0e183076d
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