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The flags were set, but not used. They also won't be needed anymore.
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De-click will be per disk-reader, latency compensated and buffer-size
independent. Cue-monitoring should not be affected by de-click.
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code (the only user).
This also removes enums introduced to describe well-known parameters for Mixbus. Lookup now involves string
parsing every time, but this is not likely to be a notable cost.
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waf (as it only gets generated when building with waf)
When building with MSVC this was getting #included in a few places which had the effect of making my session files get generated in a very old format.
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Previously Ardour used a /local/ per track vari-speed mechanism.
Now that the disk-reader is a latency-compensated processor, the speed
of each disk-reader would need to be maintained locally, offset by each
disk-reader's output latency. Furthermore each disk-reader may
produce a different number of samples, depending on its global alignment.
This commit introduces port-data resampling directly at the engine-level:
Up/down-sample all input ports at the beginning, and down/up-sample output
port-data using the inverse ratio at the end of the session's process
cycle.
The session itself is unaware of the speed-change, and only needs to
handle transport speeds {-1, 0, +1}.
This also allows for aligned cue-monitoring and vari-speed recording,
and also pitch-shifts synthesized MIDI along.
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* prevent duplicate names when pulling-in external sources
* drop "origin" after including external sources
* don't include unused playlists
(they may reference sources that are not included)
* likewise exclude unused regions
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* Processor implement get_state(), classes derived from Processor
implement protected ::state() -- as documented in processor.h
* likewise for Route, Track: make ::state() a protected interface
* removal of "full_state", use explicit "template_save"
* use RAII/Unwind to skip saving automation-state
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This API was not used, also superseded by record w/preroll.
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Delay ports being exported by their playback latency.
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The general goal is to align transport-sample to be the audible frame
and use that as "anchor" for all processing.
transport_sample cannot become negative (00:00:00:00 is the first audible
frame).
Internally transport pre-rolls (read-ahead) before the transport starts
to move. This allows inputs and disk to prefill the pipeline.
When starting to roll, the session counts down a global "remaning preroll"
counter, which is the worst-latency from in-to-out.
Each route in turn will start processing at its own output-latency.
Route::process_output_buffers() - which does the actual processing
incl disk i/o - begins by offsetting the "current sample" by the
route's process-latency and decrements the offset for each latent
processor. At the end of the function the output will be aligned
and match transport-sample - downstream-playback-latency (if any).
PS. This commit is a first step only: transport looping & vari-speed have
not yet been implemented/updated.
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It was not working in sdio/6.0-pre anyway and with upcoming changes to
latency compensation the concept of per disk[stream/reader] will go away.
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* centralize signal_latency_at_***_position to processors
* update initial-delay/roll-delay when processor order changes
* consolidate signal-latency calculation: use the same method
for processor-changes and session's post_playback_latency.
* include relative output-delay in roll-delay
* fix capture processor position & optimize stem-export latency
(roll-delay fixes pending Route:roll() update)
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Generated by tools/f2s. Some hand-editing will be required in a few places to fix up comments related to timecode
and video in order to keep the legible
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"has-diskstream", rather than "has-playlist"
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member variable for this
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with respect to all DiskReaders
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this development branch
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appropriately; other minor adjustments
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Don't allow to load sessions created with a newer version of Ardour
with an old one (no forward compatibility).
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Remove various checks, add assert() for now (perhaps some old sessions?)
This fixes an off-by one issue when adding tracks (presentation
info order in add_routes_inner)
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This is in preparation for "advanced session setup" allow a SessionSetup
Lua script to create the master-bus.
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Fixed a crash if an x-run or graph-reorder happens after the LTC encoder
has been destroyed (possible at session-close or after disabling
the encoder). This also fixes duplicate callbacks in case the
encoder was re-enabled times in an active session.
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This is in preparation for cloning MIDI-sources during snapshot save.
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Useful as temporary buffer: This allows a controllable to
get a master's automation-curve and combine it with its own
(gain, trim, send) automation buffer.
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Stripables and AutomationControls
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