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livetrax/gtk2_ardour/streamview.cc
Paul Davis 028e1ebc4a a) completely refactor abstract UI code
b) single-thread Tranzport implementation
c) implement BasicUI to share functionality across multiple
     controllers
d) various minor fixes here and there


git-svn-id: svn://localhost/trunk/ardour2@468 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-04-24 22:45:19 +00:00

978 lines
24 KiB
C++

#include <cmath>
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include <ardour/audioplaylist.h>
#include <ardour/audioregion.h>
#include <ardour/diskstream.h>
#include <ardour/audio_track.h>
#include <ardour/playlist_templates.h>
#include <ardour/source.h>
#include "streamview.h"
#include "regionview.h"
#include "taperegionview.h"
#include "audio_time_axis.h"
#include "canvas-waveview.h"
#include "canvas-simplerect.h"
#include "region_selection.h"
#include "selection.h"
#include "public_editor.h"
#include "ardour_ui.h"
#include "crossfade_view.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "utils.h"
#include "color.h"
using namespace ARDOUR;
using namespace Editing;
StreamView::StreamView (AudioTimeAxisView& tv)
: _trackview (tv)
{
region_color = _trackview.color();
crossfades_visible = true;
if (tv.is_audio_track()) {
/* TRACK */
//stream_base_color = RGBA_TO_UINT (222,223,218,255);
stream_base_color = color_map[cAudioTrackBase];
} else {
/* BUS */
//stream_base_color = RGBA_TO_UINT (230,226,238,255);
stream_base_color = color_map[cAudioBusBase];
}
/* set_position() will position the group */
canvas_group = new ArdourCanvas::Group(*_trackview.canvas_display);
canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
canvas_rect->property_x1() = 0.0;
canvas_rect->property_y1() = 0.0;
canvas_rect->property_x2() = 1000000.0;
canvas_rect->property_y2() = (double) tv.height;
canvas_rect->property_outline_color_rgba() = color_map[cAudioTrackOutline];
canvas_rect->property_outline_what() = (guint32) (0x1|0x2|0x8); // outline ends and bottom
canvas_rect->property_fill_color_rgba() = stream_base_color;
canvas_rect->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
_samples_per_unit = _trackview.editor.get_current_zoom();
_amplitude_above_axis = 1.0;
if (_trackview.is_audio_track()) {
_trackview.audio_track()->diskstream_changed.connect (mem_fun (*this, &StreamView::diskstream_changed));
_trackview.session().TransportStateChange.connect (mem_fun (*this, &StreamView::transport_changed));
_trackview.get_diskstream()->record_enable_changed.connect (mem_fun (*this, &StreamView::rec_enable_changed));
_trackview.session().RecordStateChanged.connect (mem_fun (*this, &StreamView::sess_rec_enable_changed));
}
rec_updating = false;
rec_active = false;
use_rec_regions = tv.editor.show_waveforms_recording ();
last_rec_peak_frame = 0;
ColorChanged.connect (mem_fun (*this, &StreamView::color_handler));
}
StreamView::~StreamView ()
{
undisplay_diskstream ();
delete canvas_group;
}
void
StreamView::attach ()
{
if (_trackview.is_audio_track()) {
display_diskstream (_trackview.get_diskstream());
}
}
int
StreamView::set_position (gdouble x, gdouble y)
{
canvas_group->property_x() = x;
canvas_group->property_y() = y;
return 0;
}
int
StreamView::set_height (gdouble h)
{
/* limit the values to something sane-ish */
if (h < 10.0 || h > 1000.0) {
return -1;
}
canvas_rect->property_y2() = h;
for (AudioRegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_height (h);
}
for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
(*i)->set_height (h);
}
for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
RecBoxInfo &recbox = (*i);
recbox.rectangle->property_y2() = h - 1.0;
}
return 0;
}
int
StreamView::set_samples_per_unit (gdouble spp)
{
AudioRegionViewList::iterator i;
if (spp < 1.0) {
return -1;
}
_samples_per_unit = spp;
for (i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_samples_per_unit (spp);
}
for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
(*xi)->set_samples_per_unit (spp);
}
for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
RecBoxInfo &recbox = (*xi);
gdouble xstart = _trackview.editor.frame_to_pixel ( recbox.start );
gdouble xend = _trackview.editor.frame_to_pixel ( recbox.start + recbox.length );
recbox.rectangle->property_x1() = xstart;
recbox.rectangle->property_x2() = xend;
}
return 0;
}
int
StreamView::set_amplitude_above_axis (gdouble app)
{
AudioRegionViewList::iterator i;
if (app < 1.0) {
return -1;
}
_amplitude_above_axis = app;
for (i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_amplitude_above_axis (app);
}
return 0;
}
void
StreamView::add_region_view (Region *r)
{
add_region_view_internal (r, true);
}
void
StreamView::add_region_view_internal (Region *r, bool wait_for_waves)
{
ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::add_region_view), r));
AudioRegion* region = dynamic_cast<AudioRegion*> (r);
if (region == 0) {
return;
}
AudioRegionView *region_view;
list<AudioRegionView *>::iterator i;
for (i = region_views.begin(); i != region_views.end(); ++i) {
if (&(*i)->region == region) {
/* great. we already have a AudioRegionView for this Region. use it again.
*/
(*i)->set_valid (true);
return;
}
}
switch (_trackview.audio_track()->mode()) {
case Normal:
region_view = new AudioRegionView (canvas_group, _trackview, *region,
_samples_per_unit, region_color);
break;
case Destructive:
region_view = new TapeAudioRegionView (canvas_group, _trackview, *region,
_samples_per_unit, region_color);
break;
}
region_view->init (_amplitude_above_axis, region_color, wait_for_waves);
region_views.push_front (region_view);
/* follow global waveform setting */
region_view->set_waveform_visible(_trackview.editor.show_waveforms());
/* catch regionview going away */
region->GoingAway.connect (mem_fun (*this, &StreamView::remove_region_view));
AudioRegionViewAdded (region_view);
}
void
StreamView::remove_region_view (Region *r)
{
ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), r));
AudioRegion* ar = dynamic_cast<AudioRegion*> (r);
if (ar == 0) {
return;
}
for (list<AudioRegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
if (&((*i)->region) == ar) {
delete *i;
region_views.erase (i);
break;
}
}
for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
list<CrossfadeView*>::iterator tmp;
tmp = i;
++tmp;
if ((*i)->crossfade.involves (*ar)) {
delete *i;
crossfade_views.erase (i);
}
i = tmp;
}
}
void
StreamView::remove_rec_region (Region *r)
{
ENSURE_GUI_THREAD(bind (mem_fun (*this, &StreamView::remove_rec_region), r));
if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
fatal << "region deleted from non-GUI thread!" << endmsg;
/*NOTREACHED*/
}
AudioRegion* ar = dynamic_cast<AudioRegion*> (r);
if (ar == 0) {
return;
}
for (list<AudioRegion *>::iterator i = rec_regions.begin(); i != rec_regions.end(); ++i) {
if (*i == ar) {
rec_regions.erase (i);
break;
}
}
}
void
StreamView::undisplay_diskstream ()
{
for (AudioRegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
delete *i;
}
for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
delete *i;
}
region_views.clear();
crossfade_views.clear ();
}
void
StreamView::display_diskstream (DiskStream *ds)
{
playlist_change_connection.disconnect();
playlist_changed (ds);
playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
}
void
StreamView::playlist_modified ()
{
ENSURE_GUI_THREAD (mem_fun (*this, &StreamView::playlist_modified));
/* if the playlist is modified, make sure xfades are on top and all the regionviews are stacked
correctly.
*/
for (AudioRegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
region_layered (*i);
}
for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
(*i)->get_canvas_group()->raise_to_top();
}
}
void
StreamView::playlist_changed (DiskStream *ds)
{
ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
/* disconnect from old playlist */
for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
(*i).disconnect();
}
playlist_connections.clear();
undisplay_diskstream ();
/* draw it */
redisplay_diskstream ();
/* catch changes */
playlist_connections.push_back (ds->playlist()->RegionAdded.connect (mem_fun (*this, &StreamView::add_region_view)));
playlist_connections.push_back (ds->playlist()->RegionRemoved.connect (mem_fun (*this, &StreamView::remove_region_view)));
playlist_connections.push_back (ds->playlist()->StateChanged.connect (mem_fun (*this, &StreamView::playlist_state_changed)));
playlist_connections.push_back (ds->playlist()->Modified.connect (mem_fun (*this, &StreamView::playlist_modified)));
playlist_connections.push_back (ds->playlist()->NewCrossfade.connect (mem_fun (*this, &StreamView::add_crossfade)));
}
void
StreamView::add_crossfade (Crossfade *crossfade)
{
AudioRegionView* lview = 0;
AudioRegionView* rview = 0;
ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::add_crossfade), crossfade));
/* first see if we already have a CrossfadeView for this Crossfade */
for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
if (&(*i)->crossfade == crossfade) {
if (!crossfades_visible) {
(*i)->hide();
} else {
(*i)->show ();
}
(*i)->set_valid (true);
return;
}
}
/* create a new one */
for (list<AudioRegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
if (!lview && &((*i)->region) == &crossfade->out()) {
lview = *i;
}
if (!rview && &((*i)->region) == &crossfade->in()) {
rview = *i;
}
}
CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display,
_trackview,
*crossfade,
_samples_per_unit,
region_color,
*lview, *rview);
crossfade->Invalidated.connect (mem_fun (*this, &StreamView::remove_crossfade));
crossfade_views.push_back (cv);
if (!crossfades_visible) {
cv->hide ();
}
}
void
StreamView::remove_crossfade (Crossfade *xfade)
{
ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_crossfade), xfade));
for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
if (&(*i)->crossfade == xfade) {
delete *i;
crossfade_views.erase (i);
break;
}
}
}
void
StreamView::playlist_state_changed (Change ignored)
{
ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_state_changed), ignored));
redisplay_diskstream ();
}
void
StreamView::redisplay_diskstream ()
{
list<AudioRegionView *>::iterator i, tmp;
list<CrossfadeView*>::iterator xi, tmpx;
for (i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_valid (false);
}
for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
(*xi)->set_valid (false);
if ((*xi)->visible()) {
(*xi)->show ();
}
}
if (_trackview.is_audio_track()) {
_trackview.get_diskstream()->playlist()->foreach_region (this, &StreamView::add_region_view);
_trackview.get_diskstream()->playlist()->foreach_crossfade (this, &StreamView::add_crossfade);
}
for (i = region_views.begin(); i != region_views.end(); ) {
tmp = i;
tmp++;
if (!(*i)->is_valid()) {
delete *i;
region_views.erase (i);
}
i = tmp;
}
for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
tmpx = xi;
tmpx++;
if (!(*xi)->valid()) {
delete *xi;
crossfade_views.erase (xi);
}
xi = tmpx;
}
/* now fix layering */
playlist_modified ();
}
void
StreamView::diskstream_changed (void *src_ignored)
{
AudioTrack *at;
if ((at = _trackview.audio_track()) != 0) {
DiskStream& ds = at->disk_stream();
/* XXX grrr: when will SigC++ allow me to bind references? */
Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), &ds));
} else {
Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
}
}
void
StreamView::apply_color (Gdk::Color& color, ColorTarget target)
{
list<AudioRegionView *>::iterator i;
switch (target) {
case RegionColor:
region_color = color;
for (i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_color (region_color);
}
// stream_base_color = RGBA_TO_UINT (color.red/256, color.green/256, color.blue/256, 255);
// gnome_canvas_item_set (canvas_rect, "fill_color_rgba", stream_base_color, NULL);
break;
case StreamBaseColor:
// stream_base_color = RGBA_TO_UINT (color.red/256, color.green/256, color.blue/256, 255);
// gnome_canvas_item_set (canvas_rect, "fill_color_rgba", stream_base_color, NULL);
break;
}
}
void
StreamView::set_show_waveforms (bool yn)
{
for (list<AudioRegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_waveform_visible (yn);
}
}
void
StreamView::set_selected_regionviews (AudioRegionSelection& regions)
{
bool selected;
// cerr << _trackview.name() << " (selected = " << regions.size() << ")" << endl;
for (list<AudioRegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
selected = false;
for (AudioRegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
if (*i == *ii) {
selected = true;
}
}
// cerr << "\tregion " << (*i)->region.name() << " selected = " << selected << endl;
(*i)->set_selected (selected, this);
}
}
void
StreamView::get_selectables (jack_nframes_t start, jack_nframes_t end, list<Selectable*>& results)
{
for (list<AudioRegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
if ((*i)->region.coverage(start, end) != OverlapNone) {
results.push_back (*i);
}
}
}
void
StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
{
for (list<AudioRegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
if (!sel.audio_regions.contains (*i)) {
results.push_back (*i);
}
}
}
void
StreamView::set_waveform_shape (WaveformShape shape)
{
for (AudioRegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
(*i)->set_waveform_shape (shape);
}
}
void
StreamView::region_layered (AudioRegionView* rv)
{
rv->get_canvas_group()->lower_to_bottom();
/* don't ever leave it at the bottom, since then it doesn't
get events - the parent group does instead ...
*/
rv->get_canvas_group()->raise (rv->region.layer() + 1);
}
void
StreamView::rec_enable_changed (void *src)
{
Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
}
void
StreamView::sess_rec_enable_changed ()
{
Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
}
void
StreamView::transport_changed()
{
Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
}
void
StreamView::setup_rec_box ()
{
// cerr << _trackview.name() << " streamview SRB\n";
if (_trackview.session().transport_rolling()) {
// cerr << "\trolling\n";
if (!rec_active &&
_trackview.session().record_status() == Session::Recording &&
_trackview.get_diskstream()->record_enabled()) {
if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
/* add a new region, but don't bother if they set use_rec_regions mid-record */
AudioRegion::SourceList sources;
for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
(*prc).disconnect();
}
peak_ready_connections.clear();
for (uint32_t n=0; n < _trackview.get_diskstream()->n_channels(); ++n) {
Source *src = (Source *) _trackview.get_diskstream()->write_source (n);
if (src) {
sources.push_back (src);
peak_ready_connections.push_back (src->PeakRangeReady.connect (bind (mem_fun (*this, &StreamView::rec_peak_range_ready), src)));
}
}
// handle multi
jack_nframes_t start = 0;
if (rec_regions.size() > 0) {
start = rec_regions.back()->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
}
AudioRegion * region = new AudioRegion(sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false);
region->set_position (_trackview.session().transport_frame(), this);
rec_regions.push_back (region);
/* catch it if it goes away */
region->GoingAway.connect (mem_fun (*this, &StreamView::remove_rec_region));
/* we add the region later */
}
/* start a new rec box */
AudioTrack* at;
at = _trackview.audio_track(); /* we know what it is already */
DiskStream& ds = at->disk_stream();
jack_nframes_t frame_pos = ds.current_capture_start ();
gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
gdouble xend;
uint32_t fill_color;
switch (_trackview.audio_track()->mode()) {
case Normal:
xend = xstart;
fill_color = color_map[cRecordingRectFill];
break;
case Destructive:
xend = xstart + 2;
fill_color = color_map[cRecordingRectFill];
/* make the recording rect translucent to allow
the user to see the peak data coming in, etc.
*/
fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
break;
}
ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
rec_rect->property_x1() = xstart;
rec_rect->property_y1() = 1.0;
rec_rect->property_x2() = xend;
rec_rect->property_y2() = (double) _trackview.height - 1;
rec_rect->property_outline_color_rgba() = color_map[cRecordingRectOutline];
rec_rect->property_fill_color_rgba() = fill_color;
RecBoxInfo recbox;
recbox.rectangle = rec_rect;
recbox.start = _trackview.session().transport_frame();
recbox.length = 0;
rec_rects.push_back (recbox);
screen_update_connection.disconnect();
screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &StreamView::update_rec_box));
rec_updating = true;
rec_active = true;
} else if (rec_active &&
(_trackview.session().record_status() != Session::Recording ||
!_trackview.get_diskstream()->record_enabled())) {
screen_update_connection.disconnect();
rec_active = false;
rec_updating = false;
}
} else {
// cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
if (!rec_rects.empty() || !rec_regions.empty()) {
/* disconnect rapid update */
screen_update_connection.disconnect();
for (list<sigc::connection>::iterator prc = peak_ready_connections.begin(); prc != peak_ready_connections.end(); ++prc) {
(*prc).disconnect();
}
peak_ready_connections.clear();
rec_updating = false;
rec_active = false;
last_rec_peak_frame = 0;
/* remove temp regions */
for (list<AudioRegion*>::iterator iter=rec_regions.begin(); iter != rec_regions.end(); )
{
list<AudioRegion*>::iterator tmp;
tmp = iter;
++tmp;
/* this will trigger the remove_region_view */
delete *iter;
iter = tmp;
}
rec_regions.clear();
// cerr << "\tclear " << rec_rects.size() << " rec rects\n";
/* transport stopped, clear boxes */
for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
RecBoxInfo &rect = (*iter);
delete rect.rectangle;
}
rec_rects.clear();
}
}
}
void
StreamView::update_rec_box ()
{
if (rec_active && rec_rects.size() > 0) {
/* only update the last box */
RecBoxInfo & rect = rec_rects.back();
jack_nframes_t at = _trackview.get_diskstream()->current_capture_end();
double xstart;
double xend;
switch (_trackview.audio_track()->mode()) {
case Normal:
rect.length = at - rect.start;
xstart = _trackview.editor.frame_to_pixel (rect.start);
xend = _trackview.editor.frame_to_pixel (at);
break;
case Destructive:
rect.length = 2;
xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
xend = _trackview.editor.frame_to_pixel (at);
break;
}
rect.rectangle->property_x1() = xstart;
rect.rectangle->property_x2() = xend;
}
}
AudioRegionView*
StreamView::find_view (const AudioRegion& region)
{
for (list<AudioRegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
if (&(*i)->region == &region) {
return *i;
}
}
return 0;
}
void
StreamView::foreach_regionview (sigc::slot<void,AudioRegionView*> slot)
{
for (list<AudioRegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
slot (*i);
}
}
void
StreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
{
for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
((*i)->*pmf) ();
}
}
void
StreamView::rec_peak_range_ready (jack_nframes_t start, jack_nframes_t cnt, Source * src)
{
// this is called from the peak building thread
ENSURE_GUI_THREAD(bind (mem_fun (*this, &StreamView::rec_peak_range_ready), start, cnt, src));
if (rec_peak_ready_map.size() == 0 || start+cnt > last_rec_peak_frame) {
last_rec_peak_frame = start + cnt;
}
rec_peak_ready_map[src] = true;
if (rec_peak_ready_map.size() == _trackview.get_diskstream()->n_channels()) {
this->update_rec_regions ();
rec_peak_ready_map.clear();
}
}
void
StreamView::update_rec_regions ()
{
if (use_rec_regions) {
uint32_t n = 0;
for (list<AudioRegion*>::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
list<AudioRegion*>::iterator tmp;
tmp = iter;
++tmp;
if (!canvas_item_visible (rec_rects[n].rectangle)) {
/* rect already hidden, this region is done */
iter = tmp;
continue;
}
AudioRegion * region = (*iter);
jack_nframes_t origlen = region->length();
if (region == rec_regions.back() && rec_active) {
if (last_rec_peak_frame > region->start()) {
jack_nframes_t nlen = last_rec_peak_frame - region->start();
if (nlen != region->length()) {
region->freeze ();
region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
region->set_length (nlen, this);
region->thaw ("updated");
if (origlen == 1) {
/* our special initial length */
add_region_view_internal (region, false);
}
/* also update rect */
ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
rect->property_x2() = xend;
}
}
} else {
jack_nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
if (nlen != region->length()) {
if (region->source(0).length() >= region->start() + nlen) {
region->freeze ();
region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
region->set_length (nlen, this);
region->thaw ("updated");
if (origlen == 1) {
/* our special initial length */
add_region_view_internal (region, false);
}
/* also hide rect */
ArdourCanvas::Item * rect = rec_rects[n].rectangle;
rect->hide();
}
}
}
iter = tmp;
}
}
}
void
StreamView::show_all_xfades ()
{
foreach_crossfadeview (&CrossfadeView::show);
crossfades_visible = true;
}
void
StreamView::hide_all_xfades ()
{
foreach_crossfadeview (&CrossfadeView::hide);
crossfades_visible = false;
}
void
StreamView::hide_xfades_involving (AudioRegionView& rv)
{
for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
if ((*i)->crossfade.involves (rv.region)) {
(*i)->fake_hide ();
}
}
}
void
StreamView::reveal_xfades_involving (AudioRegionView& rv)
{
for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
if ((*i)->crossfade.involves (rv.region) && (*i)->visible()) {
(*i)->show ();
}
}
}
void
StreamView::color_handler (ColorID id, uint32_t val)
{
switch (id) {
case cAudioTrackBase:
if (_trackview.is_audio_track()) {
canvas_rect->property_fill_color_rgba() = val;
}
break;
case cAudioBusBase:
if (!_trackview.is_audio_track()) {
canvas_rect->property_fill_color_rgba() = val;
}
break;
case cAudioTrackOutline:
canvas_rect->property_outline_color_rgba() = val;
break;
default:
break;
}
}