#include "ardour/session.h"
#include "ardour/dB.h"
#include "ardour/debug.h"
+#include "ardour/event_type_map.h"
#include "ardour/playlist.h"
#include "ardour/audiofilesource.h"
#include "ardour/region_factory.h"
#include "ardour/runtime_functions.h"
#include "ardour/transient_detector.h"
+#include "ardour/parameter_descriptor.h"
#include "ardour/progress.h"
+#include "ardour/sndfilesource.h"
+#include "ardour/coreaudiosource.h"
+
#include "i18n.h"
#include <locale.h>
}
}
-static const double VERY_SMALL_SIGNAL = 0.0000001; //-140dB
-
/* Curve manipulations */
static void
//generate a fade-out curve by successively applying a gain drop
float fade_speed = dB_to_coefficient(dB_drop / (float) num_steps);
for (int i = 1; i < (num_steps-1); i++) {
- float coeff = 1.0;
+ float coeff = GAIN_COEFF_UNITY;
for (int j = 0; j < i; j++) {
coeff *= fade_speed;
}
dst->fast_simple_add (len*(double)i/(double)num_steps, coeff);
}
- dst->fast_simple_add (len, VERY_SMALL_SIGNAL);
+ dst->fast_simple_add (len, GAIN_COEFF_SMALL);
}
static void
if (audio_source(chan_n)->read_peaks (buf, npeaks, offset, cnt, frames_per_pixel)) {
return 0;
- } else {
- if (_scale_amplitude != 1.0f) {
- for (framecnt_t n = 0; n < npeaks; ++n) {
- buf[n].max *= _scale_amplitude;
- buf[n].min *= _scale_amplitude;
- }
+ }
+
+ if (_scale_amplitude != 1.0f) {
+ for (framecnt_t n = 0; n < npeaks; ++n) {
+ buf[n].max *= _scale_amplitude;
+ buf[n].min *= _scale_amplitude;
}
- return cnt;
}
+
+ return npeaks;
}
/** @param buf Buffer to write data to (existing data will be overwritten).
/* see if some part of this read is within the fade out */
/* ................. >| REGION
- _length
-
- { } FADE
- fade_out_length
- ^
- _length - fade_out_length
- |--------------|
- ^internal_offset
- ^internal_offset + to_read
-
- we need the intersection of [internal_offset,internal_offset+to_read] with
- [_length - fade_out_length, _length]
-
- */
-
+ * _length
+ *
+ * { } FADE
+ * fade_out_length
+ * ^
+ * _length - fade_out_length
+ *
+ * |--------------|
+ * ^internal_offset
+ * ^internal_offset + to_read
+ *
+ * we need the intersection of [internal_offset,internal_offset+to_read] with
+ * [_length - fade_out_length, _length]
+ *
+ */
fade_interval_start = max (internal_offset, _length - framecnt_t (_fade_out->back()->when));
framecnt_t fade_interval_end = min(internal_offset + to_read, _length.val());
/* copy an existing channel's data in for this non-existant one */
- uint32_t channel = n_channels() % chan_n;
+ uint32_t channel = chan_n % n_channels();
boost::shared_ptr<AudioSource> src = boost::dynamic_pointer_cast<AudioSource> (srcs[channel]);
if (src->read (buf, _start + internal_offset, to_read) != to_read) {
{
XMLNode& node (Region::state ());
char buf[64];
- LocaleGuard lg (X_("POSIX"));
+ LocaleGuard lg (X_("C"));
snprintf (buf, sizeof (buf), "%u", (uint32_t) _sources.size());
node.add_property ("channels", buf);
{
XMLNode& node (get_basic_state());
XMLNode *child;
- LocaleGuard lg (X_("POSIX"));
+ LocaleGuard lg (X_("C"));
child = node.add_child ("Envelope");
// so, if they are both at 1.0f, that means the default region.
if (_envelope->size() == 2 &&
- _envelope->front()->value == 1.0f &&
- _envelope->back()->value==1.0f) {
+ _envelope->front()->value == GAIN_COEFF_UNITY &&
+ _envelope->back()->value==GAIN_COEFF_UNITY) {
if (_envelope->front()->when == 0 && _envelope->back()->when == _length) {
default_env = true;
}
{
const XMLNodeList& nlist = node.children();
const XMLProperty *prop;
- LocaleGuard lg (X_("POSIX"));
+ LocaleGuard lg (X_("C"));
boost::shared_ptr<Playlist> the_playlist (_playlist.lock());
suspend_property_changes ();
}
}
- } else if (child->name() == "InverseFadeIn") {
+ } else if ( (child->name() == "InverseFadeIn") || (child->name() == "InvFadeIn") ) {
XMLNode* grandchild = child->child ("AutomationList");
if (grandchild) {
_inverse_fade_in->set_state (*grandchild, version);
}
- } else if (child->name() == "InverseFadeOut") {
+ } else if ( (child->name() == "InverseFadeOut") || (child->name() == "InvFadeOut") ) {
XMLNode* grandchild = child->child ("AutomationList");
if (grandchild) {
_inverse_fade_out->set_state (*grandchild, version);
return _set_state (node, version, what_changed, true);
}
+void
+AudioRegion::fade_range (framepos_t start, framepos_t end)
+{
+ framepos_t s, e;
+
+ switch (coverage (start, end)) {
+ case Evoral::OverlapStart:
+ trim_front(start);
+ s = _position;
+ e = end;
+ set_fade_in (FadeConstantPower, e - s);
+ break;
+ case Evoral::OverlapEnd:
+ trim_end(end);
+ s = start;
+ e = _position + _length;
+ set_fade_out (FadeConstantPower, e - s);
+ break;
+ case Evoral::OverlapInternal:
+ /* needs addressing, perhaps. Difficult to do if we can't
+ * control one edge of the fade relative to the relevant edge
+ * of the region, which we cannot - fades are currently assumed
+ * to start/end at the start/end of the region
+ */
+ break;
+ default:
+ return;
+ }
+}
+
void
AudioRegion::set_fade_in_shape (FadeShape shape)
{
void
AudioRegion::set_fade_in (FadeShape shape, framecnt_t len)
{
- boost::shared_ptr<Evoral::ControlList> c1 (new Evoral::ControlList (FadeInAutomation));
- boost::shared_ptr<Evoral::ControlList> c2 (new Evoral::ControlList (FadeInAutomation));
- boost::shared_ptr<Evoral::ControlList> c3 (new Evoral::ControlList (FadeInAutomation));
+ const ARDOUR::ParameterDescriptor desc(FadeInAutomation);
+ boost::shared_ptr<Evoral::ControlList> c1 (new Evoral::ControlList (FadeInAutomation, desc));
+ boost::shared_ptr<Evoral::ControlList> c2 (new Evoral::ControlList (FadeInAutomation, desc));
+ boost::shared_ptr<Evoral::ControlList> c3 (new Evoral::ControlList (FadeInAutomation, desc));
_fade_in->freeze ();
_fade_in->clear ();
_inverse_fade_in->clear ();
+ const int num_steps = 32;
+
switch (shape) {
case FadeLinear:
- _fade_in->fast_simple_add (0.0, 0.0);
- _fade_in->fast_simple_add (len, 1.0);
+ _fade_in->fast_simple_add (0.0, GAIN_COEFF_SMALL);
+ _fade_in->fast_simple_add (len, GAIN_COEFF_UNITY);
reverse_curve (_inverse_fade_in.val(), _fade_in.val());
break;
case FadeFast:
- generate_db_fade (_fade_in.val(), len, 10, -60);
+ generate_db_fade (_fade_in.val(), len, num_steps, -60);
reverse_curve (c1, _fade_in.val());
_fade_in->copy_events (*c1);
generate_inverse_power_curve (_inverse_fade_in.val(), _fade_in.val());
break;
case FadeSlow:
- generate_db_fade (c1, len, 10, -1); // start off with a slow fade
- generate_db_fade (c2, len, 10, -80); // end with a fast fade
+ generate_db_fade (c1, len, num_steps, -1); // start off with a slow fade
+ generate_db_fade (c2, len, num_steps, -80); // end with a fast fade
merge_curves (_fade_in.val(), c1, c2);
reverse_curve (c3, _fade_in.val());
_fade_in->copy_events (*c3);
break;
case FadeConstantPower:
- for (int i = 0; i < 9; ++i) {
- float dist = (float) i / 10.0f;
- _fade_in->fast_simple_add (len*dist, sin (dist*M_PI/2));
+ _fade_in->fast_simple_add (0.0, GAIN_COEFF_SMALL);
+ for (int i = 1; i < num_steps; ++i) {
+ const float dist = i / (num_steps + 1.f);
+ _fade_in->fast_simple_add (len * dist, sin (dist * M_PI / 2.0));
}
- _fade_in->fast_simple_add (len, 1.0);
+ _fade_in->fast_simple_add (len, GAIN_COEFF_UNITY);
reverse_curve (_inverse_fade_in.val(), _fade_in.val());
break;
case FadeSymmetric:
//start with a nearly linear cuve
_fade_in->fast_simple_add (0, 1);
- _fade_in->fast_simple_add (0.5*len, 0.6);
+ _fade_in->fast_simple_add (0.5 * len, 0.6);
//now generate a fade-out curve by successively applying a gain drop
- const float breakpoint = 0.7; //linear for first 70%
- const int num_steps = 9;
- for (int i = 2; i < num_steps; i++) {
- float coeff = (1.0-breakpoint);
- for (int j = 0; j < i; j++) {
- coeff *= 0.5; //6dB drop per step
- }
- _fade_in->fast_simple_add (len* (breakpoint+((1.0-breakpoint)*(double)i/(double)num_steps)), coeff);
+ const double breakpoint = 0.7; //linear for first 70%
+ for (int i = 2; i < 9; ++i) {
+ const float coeff = (1.f - breakpoint) * powf (0.5, i);
+ _fade_in->fast_simple_add (len * (breakpoint + ((GAIN_COEFF_UNITY - breakpoint) * (double)i / 9.0)), coeff);
}
- _fade_in->fast_simple_add (len, VERY_SMALL_SIGNAL);
+ _fade_in->fast_simple_add (len, GAIN_COEFF_SMALL);
reverse_curve (c3, _fade_in.val());
_fade_in->copy_events (*c3);
reverse_curve (_inverse_fade_in.val(), _fade_in.val());
break;
}
+ _fade_in->set_interpolation(Evoral::ControlList::Curved);
+ _inverse_fade_in->set_interpolation(Evoral::ControlList::Curved);
+
_default_fade_in = false;
_fade_in->thaw ();
send_change (PropertyChange (Properties::fade_in));
void
AudioRegion::set_fade_out (FadeShape shape, framecnt_t len)
{
- boost::shared_ptr<Evoral::ControlList> c1 (new Evoral::ControlList (FadeOutAutomation));
- boost::shared_ptr<Evoral::ControlList> c2 (new Evoral::ControlList (FadeOutAutomation));
+ const ARDOUR::ParameterDescriptor desc(FadeOutAutomation);
+ boost::shared_ptr<Evoral::ControlList> c1 (new Evoral::ControlList (FadeOutAutomation, desc));
+ boost::shared_ptr<Evoral::ControlList> c2 (new Evoral::ControlList (FadeOutAutomation, desc));
_fade_out->freeze ();
_fade_out->clear ();
_inverse_fade_out->clear ();
+ const int num_steps = 32;
+
switch (shape) {
case FadeLinear:
- _fade_out->fast_simple_add (0.0, 1.0);
- _fade_out->fast_simple_add (len, VERY_SMALL_SIGNAL);
+ _fade_out->fast_simple_add (0.0, GAIN_COEFF_UNITY);
+ _fade_out->fast_simple_add (len, GAIN_COEFF_SMALL);
reverse_curve (_inverse_fade_out.val(), _fade_out.val());
break;
case FadeFast:
- generate_db_fade (_fade_out.val(), len, 10, -60);
+ generate_db_fade (_fade_out.val(), len, num_steps, -60);
generate_inverse_power_curve (_inverse_fade_out.val(), _fade_out.val());
break;
case FadeSlow:
- generate_db_fade (c1, len, 10, -1); //start off with a slow fade
- generate_db_fade (c2, len, 10, -80); //end with a fast fade
+ generate_db_fade (c1, len, num_steps, -1); //start off with a slow fade
+ generate_db_fade (c2, len, num_steps, -80); //end with a fast fade
merge_curves (_fade_out.val(), c1, c2);
generate_inverse_power_curve (_inverse_fade_out.val(), _fade_out.val());
break;
case FadeConstantPower:
//constant-power fades use a sin/cos relationship
//the cutoff is abrupt but it has the benefit of being symmetrical
- _fade_out->fast_simple_add (0.0, 1.0);
- for (int i = 1; i < 9; i++ ) {
- float dist = (float)i/10.0;
- _fade_out->fast_simple_add ((len * dist), cos(dist*M_PI/2));
+ _fade_out->fast_simple_add (0.0, GAIN_COEFF_UNITY);
+ for (int i = 1; i < num_steps; ++i) {
+ const float dist = i / (num_steps + 1.f);
+ _fade_out->fast_simple_add (len * dist, cos (dist * M_PI / 2.0));
}
- _fade_out->fast_simple_add (len, VERY_SMALL_SIGNAL);
+ _fade_out->fast_simple_add (len, GAIN_COEFF_SMALL);
reverse_curve (_inverse_fade_out.val(), _fade_out.val());
break;
case FadeSymmetric:
//start with a nearly linear cuve
_fade_out->fast_simple_add (0, 1);
- _fade_out->fast_simple_add (0.5*len, 0.6);
-
+ _fade_out->fast_simple_add (0.5 * len, 0.6);
//now generate a fade-out curve by successively applying a gain drop
- const float breakpoint = 0.7; //linear for first 70%
- const int num_steps = 9;
- for (int i = 2; i < num_steps; i++) {
- float coeff = (1.0-breakpoint);
- for (int j = 0; j < i; j++) {
- coeff *= 0.5; //6dB drop per step
- }
- _fade_out->fast_simple_add (len* (breakpoint+((1.0-breakpoint)*(double)i/(double)num_steps)), coeff);
+ const double breakpoint = 0.7; //linear for first 70%
+ for (int i = 2; i < 9; ++i) {
+ const float coeff = (1.f - breakpoint) * powf (0.5, i);
+ _fade_out->fast_simple_add (len * (breakpoint + ((GAIN_COEFF_UNITY - breakpoint) * (double)i / 9.0)), coeff);
}
- _fade_out->fast_simple_add (len, VERY_SMALL_SIGNAL);
+ _fade_out->fast_simple_add (len, GAIN_COEFF_SMALL);
reverse_curve (_inverse_fade_out.val(), _fade_out.val());
break;
}
+ _fade_out->set_interpolation(Evoral::ControlList::Curved);
+ _inverse_fade_out->set_interpolation(Evoral::ControlList::Curved);
+
_default_fade_out = false;
_fade_out->thaw ();
send_change (PropertyChange (Properties::fade_out));
AudioRegion::set_default_fade_in ()
{
_fade_in_suspended = 0;
- set_fade_in (FadeLinear, 64);
+ set_fade_in (Config->get_default_fade_shape(), 64);
}
void
AudioRegion::set_default_fade_out ()
{
_fade_out_suspended = 0;
- set_fade_out (FadeLinear, 64);
+ set_fade_out (Config->get_default_fade_shape(), 64);
}
void
{
_envelope->freeze ();
_envelope->clear ();
- _envelope->fast_simple_add (0, 1.0f);
- _envelope->fast_simple_add (_length, 1.0f);
+ _envelope->fast_simple_add (0, GAIN_COEFF_UNITY);
+ _envelope->fast_simple_add (_length, GAIN_COEFF_UNITY);
_envelope->thaw ();
}
{
gain_t target = dB_to_coefficient (target_dB);
- if (target == 1.0f) {
+ if (target == GAIN_COEFF_UNITY) {
/* do not normalize to precisely 1.0 (0 dBFS), to avoid making it appear
that we may have clipped.
*/
target -= FLT_EPSILON;
}
- if (max_amplitude == 0.0f) {
+ if (max_amplitude < GAIN_COEFF_SMALL) {
/* don't even try */
return;
}
return boost::dynamic_pointer_cast<AudioSource>(source(n));
}
+uint32_t
+AudioRegion::get_related_audio_file_channel_count () const
+{
+ uint32_t chan_count = 0;
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
+
+ boost::shared_ptr<SndFileSource> sndf = dynamic_pointer_cast<SndFileSource>(*i);
+ if (sndf ) {
+
+ if (sndf->channel_count() > chan_count) {
+ chan_count = sndf->channel_count();
+ }
+ }
+#ifdef HAVE_COREAUDIO
+ else {
+ boost::shared_ptr<CoreAudioSource> cauf = dynamic_pointer_cast<CoreAudioSource>(*i);
+ if (cauf) {
+ if (cauf->channel_count() > chan_count) {
+ chan_count = cauf->channel_count();
+ }
+ }
+ }
+#endif // HAVE_COREAUDIO
+ }
+
+ return chan_count;
+}
+
int
AudioRegion::adjust_transients (frameoffset_t delta)
{
if (!Config->get_auto_analyse_audio()) {
if (!analyse_dialog_shown) {
- pl->session().Dialog (_("\
+ pl->session().Dialog (string_compose (_("\
You have requested an operation that requires audio analysis.\n\n\
You currently have \"auto-analyse-audio\" disabled, which means \
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 ardour and restart.\n\n\
+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));
analyse_dialog_shown = true;
}
}
- TransientDetector t (pl->session().frame_rate());
bool existing_results = !results.empty();
- _transients.clear ();
- _valid_transients = false;
+ try {
- for (uint32_t i = 0; i < n_channels(); ++i) {
+ TransientDetector t (pl->session().frame_rate());
- AnalysisFeatureList these_results;
+ _transients.clear ();
+ _valid_transients = false;
- t.reset ();
+ for (uint32_t i = 0; i < n_channels(); ++i) {
- if (t.run ("", this, i, these_results)) {
- return -1;
- }
+ AnalysisFeatureList these_results;
- /* translate all transients to give absolute position */
+ t.reset ();
- for (AnalysisFeatureList::iterator i = these_results.begin(); i != these_results.end(); ++i) {
- (*i) += _position;
- }
+ if (t.run ("", this, i, these_results)) {
+ return -1;
+ }
- /* merge */
+ /* translate all transients to give absolute position */
- _transients.insert (_transients.end(), these_results.begin(), these_results.end());
+ for (AnalysisFeatureList::iterator i = these_results.begin(); i != these_results.end(); ++i) {
+ (*i) += _position;
+ }
+
+ /* 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;
}
if (!results.empty()) {
projects / ardour.git / blobdiff