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reduce the maximum horizontal zoom to 1 day @ 48kHz == 1600 pixels, to try to stop memory allocation issues when zoomed out further

This commit is contained in:
Paul Davis 2013-12-31 15:19:39 -05:00
parent 68af0fdc07
commit 393ff40153
1 changed files with 5 additions and 1 deletions
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6
gtk2_ardour/editor_ops.cc
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@ -1391,8 +1391,12 @@ Editor::temporal_zoom (framecnt_t fpp)
// Imposing an arbitrary limit to zoom out as too much zoom out produces
// segfaults for lack of memory. If somebody decides this is not high enough I
// believe it can be raisen to higher values but some limit must be in place.
//
// This constant represents 1 day @ 48kHz on a 1600 pixel wide display
// all of which is used for the editor track displays. The whole day
// would be 4147200000 samples, so 2592000 samples per pixel.
nfpp = min (fpp, (framecnt_t) 8589934592);
nfpp = min (fpp, (framecnt_t) 2592000);
nfpp = max ((framecnt_t) 1, fpp);
new_page_size = (framepos_t) floor (_visible_canvas_width * nfpp);