Age | Commit message (Collapse) | Author |
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ardour-merge-from-tracks (just the libs/* section)
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The general design here is wrong, because it should be more general and cover all possible sync sources.
But it does work, it is used in Tracks, and my attempt to do it correctly revealed the problem to be
an EXTREMELY difficult design issue (as in: two weeks of work on it did not really solve the
fundamental issues with slave design).
So, here it is for now, c/o Grygorii
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libardour symbols (revision and ardour_config_info)
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#include paths)
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branches.
Still need to add API export/visibility macros for the canvas library.
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since transport_frame refers to cycle start, the should be position has
to account for position of the midi clock event.
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(libltc, rubberband, taglib, vamp-sdk)
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incoming MIDI data has to be parsed EVERY process cycle, not just when Slave::speed_and_position() is called.
The private MIDI::Parser owned by the MTC and MClck slaves was irrelevant, since the port has its own.
See comments in midi_port.h on the strangled inheritance heirarchy.
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git-svn-id: svn://localhost/ardour2/branches/3.0@14123 d708f5d6-7413-0410-9779-e7cbd77b26cf
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e.g. 44.1k [SPS] / 30 [fps] / 4 [MTC-frames per timecode-frame] = 367.5 [samples per MTC-frame]
git-svn-id: svn://localhost/ardour2/branches/3.0@14115 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13665 d708f5d6-7413-0410-9779-e7cbd77b26cf
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Many related changes that require atomic update, mostly
because ClockOption slots changed:
* change offset config format to std:string (backwards compat - reads 0)
* make Timecode offset independent from fps
* sample_to_timecode() handle negative sample-num
* audio-clock fix entry and edit of negative numbers
* option editor:
- remove old global internal offset
- add slave & generator TC entry
- still needs UI cleanup, tooltops, maybe sep. tab..
* LTC & MTC slave& generator:
- cache offset
- subscribe to parameter changes
git-svn-id: svn://localhost/ardour2/branches/3.0@13485 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13457 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13425 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13376 d708f5d6-7413-0410-9779-e7cbd77b26cf
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prepare to call get_connected_latency_range() only if needed.
git-svn-id: svn://localhost/ardour2/branches/3.0@13366 d708f5d6-7413-0410-9779-e7cbd77b26cf
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fixes issues with transport stop/start
when making connections with jack1 while slaved to LTC
git-svn-id: svn://localhost/ardour2/branches/3.0@13356 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13350 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13347 d708f5d6-7413-0410-9779-e7cbd77b26cf
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and fix a few minor typos in the related doc
git-svn-id: svn://localhost/ardour2/branches/3.0@13338 d708f5d6-7413-0410-9779-e7cbd77b26cf
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initialize audioengine's ltc_port - if HAVE_LTC is not set
trying to connect it would segfault.
LTC frameno is < 40 by (two bit frame-ten's)
git-svn-id: svn://localhost/ardour2/branches/3.0@13314 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13313 d708f5d6-7413-0410-9779-e7cbd77b26cf
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impl MClk slave, update format for LTC, MTC
negative delta: Ardour is behind,
positive delta: Ardour is ahead of ext clock.
git-svn-id: svn://localhost/ardour2/branches/3.0@13299 d708f5d6-7413-0410-9779-e7cbd77b26cf
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* detect LTC framerate
* detect LTC discontinuities
* use a DLL for flywheel sync (engine rate)
* don't use seekahead - internal resync
git-svn-id: svn://localhost/ardour2/branches/3.0@13291 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13276 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13273 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13267 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13264 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13263 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13258 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13256 d708f5d6-7413-0410-9779-e7cbd77b26cf
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allow external timecode device to supply timecode with
framerates other than ardour session's framerate.
also fix latency overcompensation. The slave is supposed to
provide transport time - and not audible frame time.
git-svn-id: svn://localhost/ardour2/branches/3.0@13250 d708f5d6-7413-0410-9779-e7cbd77b26cf
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provide a way to convert any TimecodeFormat to float frame-rate,
not only the currently active timecode_foramt.
git-svn-id: svn://localhost/ardour2/branches/3.0@13249 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13231 d708f5d6-7413-0410-9779-e7cbd77b26cf
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- MTC-speed average (MIDI thread)
* base timing on quarter-frames
* replace hann-window average with a DLL
- MTC/engine alignment
* replace 1st order PI-controller with 2nd order DLL
The 2nd DLL is needed because the jack-process callback effectively
quantizes the transport-speed to integer audio-frames (speed * nframes).
This leaves a delta on every cycle because the remainder from previous
cycles is not compensated for.
Theoretically it is possible to merge the two DLLs into one.
However, with callbacks coming from by two independent threads
it is cleaner to track the MTC and JACK engine-alignment speeds
independently.
git-svn-id: svn://localhost/ardour2/branches/3.0@13226 d708f5d6-7413-0410-9779-e7cbd77b26cf
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git-svn-id: svn://localhost/ardour2/branches/3.0@13084 d708f5d6-7413-0410-9779-e7cbd77b26cf
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