git-svn-id: svn://localhost/ardour2/branches/undo@638 d708f5d6-7413-0410-9779-e7cbd77b26cf
206 lines
3.5 KiB
C++
206 lines
3.5 KiB
C++
#include <algorithm>
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#include <ardour/audioregion.h>
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#include "regionview.h"
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#include "region_selection.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace sigc;
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bool
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AudioRegionComparator::operator() (const AudioRegionView* a, const AudioRegionView* b) const
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{
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if (a == b) {
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return false;
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} else {
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return a < b;
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}
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}
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AudioRegionSelection::AudioRegionSelection ()
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{
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_current_start = 0;
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_current_end = 0;
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}
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AudioRegionSelection::AudioRegionSelection (const AudioRegionSelection& other)
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{
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for (AudioRegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
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add (*i, false);
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}
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_current_start = other._current_start;
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_current_end = other._current_end;
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}
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AudioRegionSelection&
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AudioRegionSelection::operator= (const AudioRegionSelection& other)
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{
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if (this != &other) {
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clear_all();
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for (AudioRegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
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add (*i, false);
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}
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_current_start = other._current_start;
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_current_end = other._current_end;
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}
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return *this;
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}
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void
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AudioRegionSelection::clear_all()
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{
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clear();
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_bylayer.clear();
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}
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bool AudioRegionSelection::contains (AudioRegionView* rv)
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{
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if (this->find (rv) != end()) {
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return true;
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}
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else {
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return false;
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}
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}
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void
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AudioRegionSelection::add (AudioRegionView* rv, bool dosort)
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{
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if (this->find (rv) != end()) {
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/* we already have it */
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return;
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}
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rv->AudioRegionViewGoingAway.connect (mem_fun(*this, &AudioRegionSelection::remove_it));
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if (rv->region.first_frame() < _current_start || empty()) {
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_current_start = rv->region.first_frame();
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}
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if (rv->region.last_frame() > _current_end || empty()) {
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_current_end = rv->region.last_frame();
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}
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insert (rv);
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// add to layer sorted list
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add_to_layer (rv);
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}
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void
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AudioRegionSelection::remove_it (AudioRegionView *rv)
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{
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remove (rv);
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}
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bool
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AudioRegionSelection::remove (AudioRegionView* rv)
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{
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AudioRegionSelection::iterator i;
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if ((i = this->find (rv)) != end()) {
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erase (i);
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// remove from layer sorted list
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_bylayer.remove (rv);
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if (empty()) {
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_current_start = 0;
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_current_end = 0;
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} else {
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AudioRegion& region ((*i)->region);
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if (region.first_frame() == _current_start) {
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/* reset current start */
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jack_nframes_t ref = max_frames;
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for (i = begin (); i != end(); ++i) {
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if (region.first_frame() < ref) {
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ref = region.first_frame();
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}
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}
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_current_start = ref;
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}
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if (region.last_frame() == _current_end) {
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/* reset current end */
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jack_nframes_t ref = 0;
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for (i = begin (); i != end(); ++i) {
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if (region.first_frame() > ref) {
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ref = region.first_frame();
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}
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}
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_current_end = ref;
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}
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}
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return true;
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}
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return false;
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}
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void
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AudioRegionSelection::add_to_layer (AudioRegionView * rv)
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{
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// insert it into layer sorted position
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list<AudioRegionView*>::iterator i;
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for (i = _bylayer.begin(); i != _bylayer.end(); ++i)
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{
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if (rv->region.layer() < (*i)->region.layer()) {
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_bylayer.insert(i, rv);
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return;
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}
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}
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// insert at end if we get here
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_bylayer.insert(i, rv);
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}
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struct RegionSortByTime {
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bool operator() (const AudioRegionView* a, const AudioRegionView* b) {
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return a->region.position() < b->region.position();
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}
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};
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void
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AudioRegionSelection::by_position (list<AudioRegionView*>& foo) const
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{
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list<AudioRegionView*>::const_iterator i;
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RegionSortByTime sorter;
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for (i = _bylayer.begin(); i != _bylayer.end(); ++i) {
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foo.push_back (*i);
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}
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foo.sort (sorter);
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return;
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}
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