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ensure_track_or_route_name() can produce the current name.
This fixes the following issue:
Create a two audio tracks. Their names are "Audio" and "Audio 1".
Try to rename "Audio 1" to "Audio", its name becomes "Audio 2".
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currently this is only used to resolve midi events for plugins
(this is conceptually not correct, note offs should be resolved by
the disk-reader only), but it calls into all processors now (incl
disk-reader if present), which is handy (e.g. flush delaylins)
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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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Pan-automation is evaluated directly from the control-list.
::distribute_automated() does not update the controls.
However, the *owner* of each automation-control is responsible to
evaluate automation of automated automation-controls (and emit Changed()
signals to notify the GUI and slaved controls).
This follow the same concept as PluginInsert: The Changed signal
is called on demand when evaluating automation.
This fixes pan-automation-sliders (automation-lane header) not updating.
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This properly sets the port-latencies of PluginInsert owned ports as well
as handles external sends (send-target playback latency).
NB. This needs more work to ensure that Sidechain input port playback
latency is set before the feeding send queries it the connected latency.
Re-ordering process may change sidechain or external-send latencies,
but since re-ordering does not change the route's latency,
engine.update_latency() may not be called.
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Also initialize new polarity-invert with gain 1.0, not inverted.
Don't fade-in.
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The processors will becomes responsible to know about loop-positions
and map latency-compensated start_sample, end_sample into the loop-range
as needed.
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* invert polarity after disk i/o proc or return
* fix position of export-proc (after polarity)
* fix input-meter (before disk-writer or after return)
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assuming the intention was to return an empty object
(i.e. similar to 'Route::send_enable_controllable()')
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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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Immediate events are used for MIDI-Panic and to inject GUI generated
events e.g. patch-changes, note-events from the track-header
(scroomer-keyboard) and patch-change audition.
Current behavior:
- snapshot copy immediate events from ringbuffer into a buffer at
the beginning of each the cycle.
- Inject immediate events into input-buffer directly after reading the input
- process "normally"
- pass immediate event-buffer to disk-writer, so it can skip them
(don't write immediate events to disk)
- if the Route is not monitoring input: clear buffer before disk-reader
and re-inject (original) immediate events after the disk-reader
- immediate events process normally and are also sent to outputs.
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This moves common code (get and fill buffers) into ::passthru()
and renames ::passthru() to ::run_route().
passthru_silence() is no longer used (it was only needed A5 style
Track::no_roll_unlocked for no-roll + disk-monitoring)
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Now that disk is no longer topper-most but a processor, the special
case is no longer needed.
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Currently ::roll() may actually be a ::no_roll() under some circumstances.
This can also happen during count-in:
transport_stopped () == transport_rolling()
and during latency-preroll:
Global session-transport speed != 0, some tracks already roll,
read data from disk and feed latent plugins.
but other non-latent tracks or busses don't roll and still have to
behave like the switch from no_roll() to roll() has not yet happened.
This changes the game WRT to monitoring as well, previously, Route:roll()
called Route::no_roll_unlocked () for conditions outlined above.
Now Track::no_roll_unlocked is called and in some cases wrongly clears
the buffers before the signal hits the disk-writer. (more work is needed
related to 61f8e53b)
On the upside this also fixes an issue with MidiTrack::no_roll not keeping
a lock while pushing data into the step-edit-ringbuffer.
This is also a step towards consolidating all entry points:
::roll(), ::no_roll(), ::silent_roll() in the Route class.
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Individual Routes cannot split the process-cycle in no_roll(); roll()
by themselves. Each of the calls will flush output buffers (and offset
port-buffers). If a route feeds another route the inputs of the other
route will only see partial data.
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This API was not used, also superseded by record w/preroll.
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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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If disk-monitoring is disabled: disk-reader position is not relevant.
If Rec-arm is off: disk-writer position is not relevant.
But...
Play -> [plugins] -> Record
is basically a bounce and best done using the bounce operation.
(faster than realtime).
Input + Play -> Record -> Output
Ardour would need to align playback with the Input to be recorded
and at the same time align it with output, so that a player can play
along on the same track. That's not possible without a time-machine (or
a 2nd play processor).
While it can work in theory under some special circumstances, allowing
the disk-reader before the disk-writer is really just confusing,
error prone and valid uses cases are better handled by dedicated
operations.
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it matters)
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* drop Trim/Fader automation for bypassed processor
* Trim/Fader automation for Busses is always active when rolling
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use, and true after ::setup_automation_gain
runs successfully
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We want Track to shrink, and logic consolidation is always good. Route already knew about
disk_reader and disk_writer, now it knows about _monitoring_control too
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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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implementation of DiskIOPoint
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