#include "ardour/coreaudiosource.h"
#endif // HAVE_COREAUDIO
-#include "i18n.h"
+#include "pbd/i18n.h"
#include <locale.h>
using namespace std;
, _fade_in (Properties::fade_in, boost::shared_ptr<AutomationList> (new AutomationList (*other->_fade_in.val()))) \
, _inverse_fade_in (Properties::fade_in, boost::shared_ptr<AutomationList> (new AutomationList (*other->_inverse_fade_in.val()))) \
, _fade_out (Properties::fade_in, boost::shared_ptr<AutomationList> (new AutomationList (*other->_fade_out.val()))) \
- , _inverse_fade_out (Properties::fade_in, boost::shared_ptr<AutomationList> (new AutomationList (*other->_inverse_fade_out.val())))
+ , _inverse_fade_out (Properties::fade_in, boost::shared_ptr<AutomationList> (new AutomationList (*other->_inverse_fade_out.val()))) \
/* a Session will reset these to its chosen defaults by calling AudioRegion::set_default_fade() */
void
assert (_sources.size() == _master_sources.size());
}
-AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other, framecnt_t offset)
- : Region (other, offset)
+AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other, framecnt_t offset, const int32_t sub_num)
+ : Region (other, offset, sub_num)
, AUDIOREGION_COPY_STATE (other)
/* As far as I can see, the _envelope's times are relative to region position, and have nothing
to do with sources (and hence _start). So when we copy the envelope, we just use the supplied offset.
AudioRegion::connect_to_analysis_changed ()
{
for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
- (*i)->AnalysisChanged.connect_same_thread (*this, boost::bind (&AudioRegion::invalidate_transients, this));
+ (*i)->AnalysisChanged.connect_same_thread (*this, boost::bind (&AudioRegion::maybe_invalidate_transients, this));
}
}
{
XMLNode& node (Region::state ());
char buf[64];
- LocaleGuard lg (X_("C"));
+ LocaleGuard lg;
snprintf (buf, sizeof (buf), "%u", (uint32_t) _sources.size());
node.add_property ("channels", buf);
{
XMLNode& node (get_basic_state());
XMLNode *child;
- LocaleGuard lg (X_("C"));
+ LocaleGuard lg;
child = node.add_child ("Envelope");
AudioRegion::_set_state (const XMLNode& node, int version, PropertyChange& what_changed, bool send)
{
const XMLNodeList& nlist = node.children();
- const XMLProperty *prop;
- LocaleGuard lg (X_("C"));
+ XMLProperty const * prop;
+ LocaleGuard lg;
boost::shared_ptr<Playlist> the_playlist (_playlist.lock());
suspend_property_changes ();
for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
XMLNode *child;
- XMLProperty *prop;
+ XMLProperty const * prop;
child = (*niter);
send_change (PropertyChange (Properties::scale_amplitude));
}
-/** @return the maximum (linear) amplitude of the region, or a -ve
- * number if the Progress object reports that the process was cancelled.
- */
double
AudioRegion::maximum_amplitude (Progress* p) const
{
return maxamp;
}
+double
+AudioRegion::rms (Progress* p) const
+{
+ framepos_t fpos = _start;
+ framepos_t const fend = _start + _length;
+ uint32_t const n_chan = n_channels ();
+ double rms = 0;
+
+ framecnt_t const blocksize = 64 * 1024;
+ Sample buf[blocksize];
+
+ framecnt_t total = 0;
+
+ if (n_chan == 0) {
+ return 0;
+ }
+
+ while (fpos < fend) {
+ framecnt_t const to_read = min (fend - fpos, blocksize);
+ total += to_read;
+ for (uint32_t c = 0; c < n_chan; ++c) {
+ if (read_raw_internal (buf, fpos, to_read, c) != to_read) {
+ return 0;
+ }
+ for (framepos_t i = 0; i < to_read; ++i) {
+ rms += buf[i] * buf[i];
+ }
+ fpos += to_read;
+ if (p) {
+ p->set_progress (float (fpos - _start) / _length);
+ if (p->cancelled ()) {
+ return -1;
+ }
+ }
+ }
+ }
+ return sqrt (rms / (double)(total * n_chan));
+}
+
/** Normalize using a given maximum amplitude and target, so that region
* _scale_amplitude becomes target / max_amplitude.
*/
return chan_count;
}
-int
-AudioRegion::adjust_transients (frameoffset_t delta)
+void
+AudioRegion::clear_transients () // yet unused
{
- for (AnalysisFeatureList::iterator x = _transients.begin(); x != _transients.end(); ++x) {
- (*x) = (*x) + delta;
- }
-
+ _user_transients.clear ();
+ _valid_transients = false;
send_change (PropertyChange (Properties::valid_transients));
-
- return 0;
}
-int
-AudioRegion::update_transient (framepos_t old_position, framepos_t new_position)
+void
+AudioRegion::add_transient (framepos_t where)
{
- for (AnalysisFeatureList::iterator x = _transients.begin(); x != _transients.end(); ++x) {
- if ((*x) == old_position) {
- (*x) = new_position;
- send_change (PropertyChange (Properties::valid_transients));
+ if (where < first_frame () || where >= last_frame ()) {
+ return;
+ }
+ where -= _position;
- break;
+ if (!_valid_transients) {
+ _transient_user_start = _start;
+ _valid_transients = true;
+ }
+ frameoffset_t offset = _transient_user_start - _start;
+
+ if (where < offset) {
+ if (offset <= 0) {
+ return;
}
+ // region start changed (extend to front), shift points and offset
+ for (AnalysisFeatureList::iterator x = _transients.begin(); x != _transients.end(); ++x) {
+ (*x) += offset;
+ }
+ _transient_user_start -= offset;
+ offset = 0;
}
- return 0;
+ const framepos_t p = where - offset;
+ _user_transients.push_back(p);
+ send_change (PropertyChange (Properties::valid_transients));
}
void
-AudioRegion::add_transient (framepos_t where)
+AudioRegion::update_transient (framepos_t old_position, framepos_t new_position)
{
- _transients.push_back(where);
- _valid_transients = true;
+ bool changed = false;
+ if (!_onsets.empty ()) {
+ const framepos_t p = old_position - _position;
+ AnalysisFeatureList::iterator x = std::find (_onsets.begin (), _onsets.end (), p);
+ if (x != _transients.end ()) {
+ (*x) = new_position - _position;
+ changed = true;
+ }
+ }
- send_change (PropertyChange (Properties::valid_transients));
+ if (_valid_transients) {
+ const frameoffset_t offset = _position + _transient_user_start - _start;
+ const framepos_t p = old_position - offset;
+ AnalysisFeatureList::iterator x = std::find (_user_transients.begin (), _user_transients.end (), p);
+ if (x != _transients.end ()) {
+ (*x) = new_position - offset;
+ changed = true;
+ }
+ }
+
+ if (changed) {
+ send_change (PropertyChange (Properties::valid_transients));
+ }
}
void
AudioRegion::remove_transient (framepos_t where)
{
- _transients.remove(where);
- _valid_transients = true;
+ bool changed = false;
+ if (!_onsets.empty ()) {
+ const framepos_t p = where - _position;
+ AnalysisFeatureList::iterator i = std::find (_onsets.begin (), _onsets.end (), p);
+ if (i != _transients.end ()) {
+ _onsets.erase (i);
+ changed = true;
+ }
+ }
- send_change (PropertyChange (Properties::valid_transients));
+ if (_valid_transients) {
+ const framepos_t p = where - (_position + _transient_user_start - _start);
+ AnalysisFeatureList::iterator i = std::find (_user_transients.begin (), _user_transients.end (), p);
+ if (i != _transients.end ()) {
+ _transients.erase (i);
+ changed = true;
+ }
+ }
+
+ if (changed) {
+ send_change (PropertyChange (Properties::valid_transients));
+ }
}
-int
-AudioRegion::set_transients (AnalysisFeatureList& results)
+void
+AudioRegion::set_onsets (AnalysisFeatureList& results)
{
- _transients.clear();
- _transients = results;
- _valid_transients = true;
-
+ _onsets.clear();
+ _onsets = results;
send_change (PropertyChange (Properties::valid_transients));
-
- return 0;
}
-int
-AudioRegion::get_transients (AnalysisFeatureList& results, bool force_new)
+void
+AudioRegion::build_transients ()
{
+ _transients.clear ();
+ _transient_analysis_start = _transient_analysis_end = 0;
+
boost::shared_ptr<Playlist> pl = playlist();
if (!pl) {
- return -1;
- }
-
- if (_valid_transients && !force_new) {
- results = _transients;
- return 0;
+ return;
}
+ /* check analyzed sources first */
SourceList::iterator s;
-
for (s = _sources.begin() ; s != _sources.end(); ++s) {
if (!(*s)->has_been_analysed()) {
+#ifndef NDEBUG
cerr << "For " << name() << " source " << (*s)->name() << " has not been analyzed\n";
+#endif
break;
}
}
if (s == _sources.end()) {
/* all sources are analyzed, merge data from each one */
-
for (s = _sources.begin() ; s != _sources.end(); ++s) {
/* find the set of transients within the bounds of this region */
-
AnalysisFeatureList::iterator low = lower_bound ((*s)->transients.begin(),
(*s)->transients.end(),
_start);
_start + _length);
/* and add them */
-
- results.insert (results.end(), low, high);
+ _transients.insert (_transients.end(), low, high);
}
- TransientDetector::cleanup_transients (results, pl->session().frame_rate(), 3.0);
+ TransientDetector::cleanup_transients (_transients, pl->session().frame_rate(), 3.0);
/* translate all transients to current position */
-
- for (AnalysisFeatureList::iterator x = results.begin(); x != results.end(); ++x) {
+ for (AnalysisFeatureList::iterator x = _transients.begin(); x != _transients.end(); ++x) {
(*x) -= _start;
- (*x) += _position;
}
- _transients = results;
- _valid_transients = true;
-
- return 0;
+ _transient_analysis_start = _start;
+ _transient_analysis_end = _start + _length;
+ return;
}
/* no existing/complete transient info */
that transient data must be generated every time it is required.\n\n\
If you are doing work that will require transient data on a \
regular basis, you should probably enable \"auto-analyse-audio\" \
-then quit %1 and restart.\n\n\
+in Preferences > Audio > Regions, then quit %1 and restart.\n\n\
This dialog will not display again. But you may notice a slight delay \
in this and future transient-detection operations.\n\
"), PROGRAM_NAME));
}
}
- bool existing_results = !results.empty();
-
try {
-
TransientDetector t (pl->session().frame_rate());
-
- _transients.clear ();
- _valid_transients = false;
-
for (uint32_t i = 0; i < n_channels(); ++i) {
AnalysisFeatureList these_results;
t.reset ();
+ /* this produces analysis result relative to current position
+ * ::read() sample 0 is at _position */
if (t.run ("", this, i, these_results)) {
- return -1;
- }
-
- /* translate all transients to give absolute position */
-
- for (AnalysisFeatureList::iterator i = these_results.begin(); i != these_results.end(); ++i) {
- (*i) += _position;
+ return;
}
/* merge */
-
_transients.insert (_transients.end(), these_results.begin(), these_results.end());
}
} catch (...) {
error << string_compose(_("Transient Analysis failed for %1."), _("Audio Region")) << endmsg;
- return -1;
+ return;
}
- if (!results.empty()) {
- if (existing_results) {
-
- /* merge our transients into the existing ones, then clean up
- those.
- */
-
- results.insert (results.end(), _transients.begin(), _transients.end());
- TransientDetector::cleanup_transients (results, pl->session().frame_rate(), 3.0);
- }
-
- /* make sure ours are clean too */
+ TransientDetector::cleanup_transients (_transients, pl->session().frame_rate(), 3.0);
+ _transient_analysis_start = _start;
+ _transient_analysis_end = _start + _length;
+}
- TransientDetector::cleanup_transients (_transients, pl->session().frame_rate(), 3.0);
+/* Transient analysis uses ::read() which is relative to _start,
+ * at the time of analysis and spans _length samples.
+ *
+ * This is true for RhythmFerret::run_analysis and the
+ * TransientDetector here.
+ *
+ * We store _start and length in _transient_analysis_start,
+ * _transient_analysis_end in case the region is trimmed or split after analysis.
+ *
+ * Various methods (most notably Playlist::find_next_transient and
+ * RhythmFerret::do_split_action) span multiple regions and *merge/combine*
+ * Analysis results.
+ * We therefore need to translate the analysis timestamps to absolute session-time
+ * and include the _position of the region.
+ *
+ * Note: we should special case the AudioRegionView. The region-view itself
+ * is located at _position (currently ARV subtracts _position again)
+ */
+void
+AudioRegion::get_transients (AnalysisFeatureList& results)
+{
+ boost::shared_ptr<Playlist> pl = playlist();
+ if (!playlist ()) {
+ return;
+ }
- } else {
+ Region::merge_features (results, _user_transients, _position + _transient_user_start - _start);
- TransientDetector::cleanup_transients (_transients, pl->session().frame_rate(), 3.0);
- results = _transients;
+ if (!_onsets.empty ()) {
+ // onsets are invalidated when start or length changes
+ merge_features (results, _onsets, _position);
+ return;
}
- _valid_transients = true;
+ if ((_transient_analysis_start == _transient_analysis_end)
+ || _transient_analysis_start > _start
+ || _transient_analysis_end < _start + _length) {
+ build_transients ();
+ }
- return 0;
+ merge_features (results, _transients, _position + _transient_analysis_start - _start);
}
/** Find areas of `silence' within a region.
projects / ardour.git / blobdiff