/*
- Copyright (C) 2000-2006 Paul Davis
+ Copyright (C) 2000-2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "ardour/ardour.h"
#include "ardour/audioengine.h"
+#include "ardour/debug.h"
#include "ardour/diskstream.h"
#include "ardour/utils.h"
#include "ardour/configuration.h"
{
init (flag);
}
-
-Diskstream::Diskstream (Session& sess, const XMLNode& node)
+
+Diskstream::Diskstream (Session& sess, const XMLNode& /*node*/)
: SessionObject(sess, "unnamed diskstream")
{
init (Recordable);
Diskstream::init (Flag f)
{
_flags = f;
- _io = 0;
+ _route = 0;
_alignment_style = ExistingMaterial;
_persistent_alignment_style = ExistingMaterial;
first_input_change = true;
loop_location = 0;
wrap_buffer_size = 0;
speed_buffer_size = 0;
- last_phase = 0;
- // speed = 1 in 40.24 fixed point math
- phi = (uint64_t) (0x1000000);
- target_phi = phi;
+ _speed = 1.0;
+ _target_speed = _speed;
file_frame = 0;
playback_sample = 0;
playback_distance = 0;
Diskstream::~Diskstream ()
{
- if (_playlist)
+ DEBUG_TRACE (DEBUG::Destruction, string_compose ("Diskstream %1 deleted\n", _name));
+
+ if (_playlist) {
_playlist->release ();
+ }
}
void
-Diskstream::set_io (IO& io)
+Diskstream::set_route (Route& r)
{
- _io = &io;
+ _route = &r;
+ _io = _route->input();
+ input_change_pending = ConfigurationChanged;
+ non_realtime_input_change ();
set_align_style_from_io ();
+
+ _route->GoingAway.connect (mem_fun (*this, &Diskstream::route_going_away));
}
void
-Diskstream::handle_input_change (IOChange change, void *src)
+Diskstream::handle_input_change (IOChange change, void * /*src*/)
{
Glib::Mutex::Lock lm (state_lock);
{
bool changed = false;
double new_speed = sp * _session.transport_speed();
-
+
if (_visible_speed != sp) {
_visible_speed = sp;
changed = true;
}
-
+
if (new_speed != _actual_speed) {
-
- nframes_t required_wrap_size = (nframes_t) floor (_session.get_block_size() *
+
+ nframes_t required_wrap_size = (nframes_t) floor (_session.get_block_size() *
fabs (new_speed)) + 1;
-
+
if (required_wrap_size > wrap_buffer_size) {
_buffer_reallocation_required = true;
}
-
+
_actual_speed = new_speed;
- target_phi = (uint64_t) (0x1000000 * fabs(_actual_speed));
+ _target_speed = fabs(_actual_speed);
}
if (changed) {
return;
}
- _capture_offset = _io->input_latency();
+ _capture_offset = _io->latency();
}
void
if (_playlist) {
_playlist->release();
}
-
+
_playlist = playlist;
_playlist->use();
if (!in_set_state && recordable()) {
reset_write_sources (false);
}
-
+
plmod_connection = _playlist->Modified.connect (mem_fun (*this, &Diskstream::playlist_modified));
plgone_connection = _playlist->GoingAway.connect (bind (mem_fun (*this, &Diskstream::playlist_deleted), boost::weak_ptr<Playlist>(_playlist)));
plregion_connection = _playlist->RangesMoved.connect (mem_fun (*this, &Diskstream::playlist_ranges_moved));
_session.request_overwrite_buffer (this);
overwrite_queued = true;
}
-
+
PlaylistChanged (); /* EMIT SIGNAL */
_session.set_dirty ();
}
void
-Diskstream::playlist_changed (Change ignored)
+Diskstream::playlist_changed (Change)
{
playlist_modified ();
}
if (!i_am_the_modifier && !overwrite_queued) {
_session.request_overwrite_buffer (this);
overwrite_queued = true;
- }
+ }
}
void
if (pl == _playlist) {
- /* this catches an ordering issue with session destruction. playlists
+ /* this catches an ordering issue with session destruction. playlists
are destroyed before diskstreams. we have to invalidate any handles
we have to the playlist.
*/
-
+
if (_playlist) {
_playlist.reset ();
- }
+ }
}
}
if (str != _name) {
assert(playlist());
playlist()->set_name (str);
-
+
SessionObject::set_name(str);
-
+
if (!in_set_state && recordable()) {
/* rename existing capture files so that they have the correct name */
return rename_write_sources ();
if (!region) {
return;
}
-
+
_last_capture_regions.remove (region);
}
void
Diskstream::playlist_ranges_moved (list< Evoral::RangeMove<nframes_t> > const & movements_frames)
{
- if (Config->get_automation_follows_regions () == false) {
+ if (!_route || Config->get_automation_follows_regions () == false) {
return;
}
-
+
list< Evoral::RangeMove<double> > movements;
+
for (list< Evoral::RangeMove<nframes_t> >::const_iterator i = movements_frames.begin();
- i != movements_frames.end(); ++i) {
+ i != movements_frames.end();
+ ++i) {
+
movements.push_back(Evoral::RangeMove<double>(i->from, i->length, i->to));
}
-
- /* move gain automation */
- boost::shared_ptr<AutomationList> gain_alist = _io->gain_control()->alist();
- XMLNode & before = gain_alist->get_state ();
- gain_alist->move_ranges (movements);
- _session.add_command (
- new MementoCommand<AutomationList> (
- *gain_alist.get(), &before, &gain_alist->get_state ()
- )
- );
-
- /* move panner automation */
- Panner & p = _io->panner ();
- for (uint32_t i = 0; i < p.npanners (); ++i) {
- boost::shared_ptr<AutomationList> pan_alist = p.streampanner(i).pan_control()->alist();
- XMLNode & before = pan_alist->get_state ();
- pan_alist->move_ranges (movements);
- _session.add_command (
- new MementoCommand<AutomationList> (
- *pan_alist.get(), &before, &pan_alist->get_state ()
- )
- );
+ /* move panner automation */
+ boost::shared_ptr<Panner> p = _route->main_outs()->panner ();
+ if (p) {
+ for (uint32_t i = 0; i < p->npanners (); ++i) {
+ boost::shared_ptr<AutomationList> pan_alist = p->streampanner(i).pan_control()->alist();
+ XMLNode & before = pan_alist->get_state ();
+ pan_alist->move_ranges (movements);
+ _session.add_command (new MementoCommand<AutomationList> (
+ *pan_alist.get(), &before, &pan_alist->get_state ()));
+ }
}
/* move processor automation */
- /* XXX: ewww */
- Route * route = dynamic_cast<Route*> (_io);
- if (route) {
- route->foreach_processor (sigc::bind (sigc::mem_fun (*this, &Diskstream::move_processor_automation), movements_frames));
- }
+ _route->foreach_processor (sigc::bind (sigc::mem_fun (*this, &Diskstream::move_processor_automation), movements_frames));
}
void
Diskstream::move_processor_automation (boost::weak_ptr<Processor> p,
- list< Evoral::RangeMove<nframes_t> > const & movements_frames)
+ list< Evoral::RangeMove<nframes_t> > const & movements_frames)
{
boost::shared_ptr<Processor> processor (p.lock ());
if (!processor) {
return;
}
-
+
list< Evoral::RangeMove<double> > movements;
for (list< Evoral::RangeMove<nframes_t> >::const_iterator i = movements_frames.begin();
i != movements_frames.end(); ++i) {
movements.push_back(Evoral::RangeMove<double>(i->from, i->length, i->to));
}
-
+
set<Evoral::Parameter> const a = processor->what_can_be_automated ();
for (set<Evoral::Parameter>::iterator i = a.begin (); i != a.end (); ++i) {
}
}
+void
+Diskstream::check_record_status (nframes_t transport_frame, nframes_t /*nframes*/, bool can_record)
+{
+ int possibly_recording;
+ int rolling;
+ int change;
+ const int transport_rolling = 0x4;
+ const int track_rec_enabled = 0x2;
+ const int global_rec_enabled = 0x1;
+
+ /* merge together the 3 factors that affect record status, and compute
+ what has changed.
+ */
+
+ rolling = _session.transport_speed() != 0.0f;
+ possibly_recording = (rolling << 2) | (record_enabled() << 1) | can_record;
+ change = possibly_recording ^ last_possibly_recording;
+
+ if (possibly_recording == last_possibly_recording) {
+ return;
+ }
+
+ /* change state */
+
+ /* if per-track or global rec-enable turned on while the other was already on, we've started recording */
+
+ if (((change & track_rec_enabled) && record_enabled() && (!(change & global_rec_enabled) && can_record)) ||
+ ((change & global_rec_enabled) && can_record && (!(change & track_rec_enabled) && record_enabled()))) {
+
+ /* starting to record: compute first+last frames */
+
+ first_recordable_frame = transport_frame + _capture_offset;
+ last_recordable_frame = max_frames;
+ capture_start_frame = transport_frame;
+
+ if (!(last_possibly_recording & transport_rolling) && (possibly_recording & transport_rolling)) {
+
+ /* was stopped, now rolling (and recording) */
+
+ if (_alignment_style == ExistingMaterial) {
+ first_recordable_frame += _session.worst_output_latency();
+ } else {
+ first_recordable_frame += _roll_delay;
+ }
+
+ } else {
+
+ /* was rolling, but record state changed */
+
+ if (_alignment_style == ExistingMaterial) {
+
+
+ if (!_session.config.get_punch_in()) {
+
+ /* manual punch in happens at the correct transport frame
+ because the user hit a button. but to get alignment correct
+ we have to back up the position of the new region to the
+ appropriate spot given the roll delay.
+ */
+
+ capture_start_frame -= _roll_delay;
+
+ /* XXX paul notes (august 2005): i don't know why
+ this is needed.
+ */
+
+ first_recordable_frame += _capture_offset;
+
+ } else {
+
+ /* autopunch toggles recording at the precise
+ transport frame, and then the DS waits
+ to start recording for a time that depends
+ on the output latency.
+ */
+
+ first_recordable_frame += _session.worst_output_latency();
+ }
+
+ } else {
+
+ if (_session.config.get_punch_in()) {
+ first_recordable_frame += _roll_delay;
+ } else {
+ capture_start_frame -= _roll_delay;
+ }
+ }
+
+ }
+
+ prepare_record_status(capture_start_frame);
+
+ } else if (!record_enabled() || !can_record) {
+
+ /* stop recording */
+
+ last_recordable_frame = transport_frame + _capture_offset;
+
+ if (_alignment_style == ExistingMaterial) {
+ last_recordable_frame += _session.worst_output_latency();
+ } else {
+ last_recordable_frame += _roll_delay;
+ }
+
+ first_recordable_frame = max_frames;
+ }
+
+ last_possibly_recording = possibly_recording;
+}
+
+void
+Diskstream::route_going_away ()
+{
+ _io.reset ();
+}
+
+void
+Diskstream::calculate_record_range(OverlapType ot, sframes_t transport_frame, nframes_t nframes,
+ nframes_t& rec_nframes, nframes_t& rec_offset)
+{
+ switch (ot) {
+ case OverlapNone:
+ rec_nframes = 0;
+ break;
+
+ case OverlapInternal:
+ /* ---------- recrange
+ |---| transrange
+ */
+ rec_nframes = nframes;
+ rec_offset = 0;
+ break;
+
+ case OverlapStart:
+ /* |--------| recrange
+ -----| transrange
+ */
+ rec_nframes = transport_frame + nframes - first_recordable_frame;
+ if (rec_nframes) {
+ rec_offset = first_recordable_frame - transport_frame;
+ }
+ break;
+
+ case OverlapEnd:
+ /* |--------| recrange
+ |-------- transrange
+ */
+ rec_nframes = last_recordable_frame - transport_frame;
+ rec_offset = 0;
+ break;
+
+ case OverlapExternal:
+ /* |--------| recrange
+ -------------- transrange
+ */
+ rec_nframes = last_recordable_frame - first_recordable_frame;
+ rec_offset = first_recordable_frame - transport_frame;
+ break;
+ }
+}