lavfi/overlay: implement shortest option
authorStefano Sabatini <stefasab@gmail.com>
Thu, 14 Feb 2013 23:26:22 +0000 (00:26 +0100)
committerStefano Sabatini <stefasab@gmail.com>
Wed, 20 Feb 2013 18:17:11 +0000 (19:17 +0100)
commit3d77a275487b64373dde3d1c9b94d5413a467979
treed3aa1b8b5f7ffc0a946837640c9b7ac8aa93d212
parent7f07c61c2f6dfee51d81f92d5c41bd8d0b1769ae
lavfi/overlay: implement shortest option

Force termination when the overlay stream ends. Simplify scripting logic,
for example when an infinite source is used to generate a background for
a composite video.
doc/filters.texi
libavfilter/version.h
libavfilter/vf_overlay.c