when moving tempo and metric sections around (or adding new ones), prevent the existence of two tempo markers within the same beat, as well as two meter markers within the same bar (though i think this was prevented already by snapping meter sections to beat=1; make round_to_beats() work when dir==0 ("true rounding"); a bit of code cleanup
git-svn-id: svn://localhost/ardour2/branches/3.0@11185 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis
@@ -112,10 +112,6 @@ class MetricSection {
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*/
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virtual XMLNode& get_state() const = 0;
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int compare (const MetricSection&) const;
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bool operator== (const MetricSection& other) const;
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bool operator!= (const MetricSection& other) const;
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private:
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Timecode::BBT_Time _start;
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framepos_t _frame;
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@@ -399,75 +399,84 @@ TempoMap::do_insert (MetricSection* section)
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}
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}
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Metrics::iterator i;
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/* Look for any existing MetricSection that is of the same type and
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at the same time as the new one, and remove it before adding
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the new one.
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in the same bar as the new one, and remove it before adding
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the new one. Note that this means that if we find a matching,
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existing section, we can break out of the loop since we're
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guaranteed that there is only one such match.
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*/
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Metrics::iterator to_remove = metrics.end ();
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for (Metrics::iterator i = metrics.begin(); i != metrics.end(); ++i) {
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for (i = metrics.begin(); i != metrics.end(); ++i) {
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int const c = (*i)->compare (*section);
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if (c < 0) {
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/* this section is before the one to be added; go back round */
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continue;
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} else if (c > 0) {
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/* this section is after the one to be added; there can't be any at the same time */
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break;
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}
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/* hacky comparison of type */
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bool const iter_is_tempo = dynamic_cast<TempoSection*> (*i) != 0;
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bool const insert_is_tempo = dynamic_cast<TempoSection*> (section) != 0;
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if (iter_is_tempo == insert_is_tempo) {
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if (iter_is_tempo && insert_is_tempo) {
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if (!(*i)->movable()) {
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/* Tempo sections */
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/* can't (re)move this section, so overwrite
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* its data content (but not its properties as
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* a section
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*/
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if ((*i)->start().bars == section->start().bars &&
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(*i)->start().beats == section->start().beats) {
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if (!iter_is_tempo) {
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*(dynamic_cast<Meter*>(*i)) = *(dynamic_cast<Meter*>(section));
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} else {
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if (!(*i)->movable()) {
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/* can't (re)move this section, so overwrite
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* its data content (but not its properties as
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* a section).
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*/
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*(dynamic_cast<Tempo*>(*i)) = *(dynamic_cast<Tempo*>(section));
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need_add = false;
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} else {
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metrics.erase (i);
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}
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need_add = false;
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break;
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}
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} else if (!iter_is_tempo && !insert_is_tempo) {
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/* Meter Sections */
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if ((*i)->start().bars == section->start().bars) {
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if (!(*i)->movable()) {
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/* can't (re)move this section, so overwrite
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* its data content (but not its properties as
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* a section
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*/
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*(dynamic_cast<Meter*>(*i)) = *(dynamic_cast<Meter*>(section));
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need_add = false;
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} else {
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metrics.erase (i);
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}
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break;
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}
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to_remove = i;
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break;
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} else {
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/* non-matching types, so we don't care */
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}
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}
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if (to_remove != metrics.end()) {
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/* remove the MetricSection at the same time as the one we are about to add */
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metrics.erase (to_remove);
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}
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/* Add the given MetricSection */
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/* Add the given MetricSection, if we didn't just reset an existing
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* one above
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*/
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if (need_add) {
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for (i = metrics.begin(); i != metrics.end(); ++i) {
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if ((*i)->compare (*section) < 0) {
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continue;
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}
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metrics.insert (i, section);
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break;
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}
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if (i == metrics.end()) {
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metrics.insert (metrics.end(), section);
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Metrics::iterator i;
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for (i = metrics.begin(); i != metrics.end(); ++i) {
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if ((*i)->start() > section->start()) {
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break;
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}
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}
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metrics.insert (i, section);
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}
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}
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@@ -476,7 +485,7 @@ TempoMap::replace_tempo (const TempoSection& ts, const Tempo& tempo, const BBT_T
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{
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const TempoSection& first (first_tempo());
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if (ts != first) {
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if (ts.start() != first.start()) {
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remove_tempo (ts, false);
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add_tempo (tempo, where);
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} else {
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@@ -546,7 +555,7 @@ TempoMap::replace_meter (const MeterSection& ms, const Meter& meter, const BBT_T
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{
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const MeterSection& first (first_meter());
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if (ms != first) {
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if (ms.start() != first.start()) {
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remove_meter (ms, false);
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add_meter (meter, where);
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} else {
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@@ -1038,8 +1047,6 @@ TempoMap::metric_at (framepos_t frame) const
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for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
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// cerr << "Looking at a metric section " << **i << endl;
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if ((*i)->frame() > frame) {
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break;
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}
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@@ -1054,7 +1061,6 @@ TempoMap::metric_at (framepos_t frame) const
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m.set_start ((*i)->start ());
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}
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// cerr << "for framepos " << frame << " returning " << m.meter() << " @ " << m.tempo() << " location " << m.frame() << " = " << m.start() << endl;
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return m;
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}
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@@ -1359,7 +1365,8 @@ TempoMap::round_to_type (framepos_t frame, int dir, BBTPointType type)
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assert (fi != _map.end());
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DEBUG_TRACE(DEBUG::SnapBBT, string_compose ("round from %1 (%3|%4 @ %5) to bars in direction %2\n", frame, dir, (*fi).bar, (*fi).beat, (*fi).frame));
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DEBUG_TRACE (DEBUG::SnapBBT, string_compose ("round from %1 (%3|%4 @ %5) to %6 in direction %2\n", frame, dir, (*fi).bar, (*fi).beat, (*fi).frame,
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(type == Bar ? "bar" : "beat")));
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switch (type) {
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case Bar:
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@@ -1466,9 +1473,11 @@ TempoMap::round_to_type (framepos_t frame, int dir, BBTPointType type)
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BBTPointList::const_iterator prev = fi;
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BBTPointList::const_iterator next = fi;
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if (prev != _map.begin()) {
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--prev;
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}
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/* fi is already the beat before_or_at frame, and
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we've just established that its not at frame, so its
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the beat before frame.
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*/
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++next;
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if ((next == _map.end()) || (frame - (*prev).frame) < ((*next).frame - frame)) {
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@@ -2233,38 +2242,6 @@ TempoMap::bbt_after_or_at (framepos_t pos)
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return i;
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}
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/** Compare the time of this with that of another MetricSection.
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* @param with_bbt True to compare using start(), false to use frame().
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* @return -1 for less than, 0 for equal, 1 for greater than.
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*/
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int
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MetricSection::compare (const MetricSection& other) const
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{
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if (start() == other.start()) {
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return 0;
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} else if (start() < other.start()) {
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return -1;
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} else {
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return 1;
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}
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/* NOTREACHED */
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return 0;
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}
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bool
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MetricSection::operator== (const MetricSection& other) const
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{
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return compare (other) == 0;
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}
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bool
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MetricSection::operator!= (const MetricSection& other) const
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{
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return compare (other) != 0;
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}
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std::ostream&
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operator<< (std::ostream& o, const Meter& m) {
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return o << m.divisions_per_bar() << '/' << m.note_divisor();
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