Always block waiting for audio when exporting.
authorCarl Hetherington <cth@carlh.net>
Fri, 15 Oct 2021 20:33:46 +0000 (22:33 +0200)
committerCarl Hetherington <cth@carlh.net>
Fri, 15 Oct 2021 20:42:48 +0000 (22:42 +0200)
commit4d0356840c2f400b0376230a3d07f57897275f99
treebb8468a24a2d13383085224c9d383b7664bb4db8
parenta3c663012ae1134bef0c36304d71ab319114cfcb
Always block waiting for audio when exporting.

Otherwise if there is non available we'll insert silence and potentially
push the audio out of sync (late).  May help with #2098.
src/lib/butler.cc
src/lib/butler.h
src/lib/ffmpeg_encoder.cc
src/wx/film_viewer.cc
test/butler_test.cc
test/dcp_playback_test.cc