rather than a time range. This makes more sense now that we
display every point on an automation line, rather than just
a subset. Makes the code a fair bit simpler, and should fix
some unexpected behaviours, especially when cutting automation
points.
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at any given zoom level.
This works because (1) automation data is obtained by sampling, and we control
the sampling interval (2) automation data is filtered to remove co-linear
points before becoming part of a ControlList.
This commit removes some of the hairiest code in Ardour's GUI, which was
responsible for figuring out which invisible control points were affected by an
edit. The change is based on an experiment in mixbus done by Ben Loftis.
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regions with non-zero starts (#4177) and also fix
problems with selection conversions between
ControlPoints and PointSelection in similar regions.
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when writing these data back to a source, otherwise surprising new
interpolated points appear in MIDI automation. Similarly don't interpolate
when reading the model during MIDI stretch. Fix handling of interpolation state;
controllers that have been set by the user to use a different interpolation style
are noted in the <Source> tag of the session file and this state is sprayed around
to MidiModel and the GUI as necessary.
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LOADING 2.X SESSIONS WITH THIS COMMIT IN PLACE WILL (PROBABLY) CORRUPT THE .ardour FILE,
MAKING THE SESSION UNLOADABLE ON 2.X AND LOSING INFORMATION.
So don't do that unless you make a backup of the session file first.
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Vimmers, try let c_space_errors = 1 in your .vimrc to highlight this kind of stuff in red. I don't know the emacs equivalent...
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All #include statements that include a header that is a part of a library
bundled with ardour MUST use quotes, not angle brackets.
Do this:
#include "ardour/types.h"
NOT this:
#include <ardour/types.h>
Rationale:
This is best practice in general, to ensure we include the local version
and not the system version. That quotes mean "local" (in some sense)
and angle brackets mean "system" (in some sense) is a ubiquitous
convention and IIRC right in the C spec somewhere.
More pragmatically, this is required by (my) waf (stuff) for dependencies
to work correctly. That is:
!!! FAILURE TO DO THIS CAN RESULT IN BROKEN BUILDS !!!
Failure to comply is punishable by death by torture. :)
P.S. It's not that dramatic in all cases, but this (in combination with some
GCC flags specific to the include type) is the best way I have found to be
absolutely 100% positive the local ones are being used (and we definitely
want to be absolutely 100% positive on that one).
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sframes_t is "session frames". The rules for time stamps are:
- Anything relative to transport time, session position, etc, should be sframes_t
- Anything relative to jack cycles, including the length thereof, should be nframes_t
To support sessions which exceed UINT32_MAX frames, we need to replace all the uses of
nframes_t for session time with sframes_t, and make sure the conversions are sound.
This does not depend on jack's nframes_t; that we are using the same type at all right now was an oops.
This is also be kinda nice for readability since the two different time bases have different types...
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