along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
+#define __STDC_FORMAT_MACROS 1
+#include <inttypes.h>
+
#include <cmath>
#include <cerrno>
#include <fstream>
#include <pbd/error.h>
#include <pbd/failed_constructor.h>
#include <pbd/xml++.h>
+#include <pbd/enumwriter.h>
#include <ardour/session.h>
#include <ardour/panner.h>
#include <ardour/utils.h>
-#include <ardour/mix.h>
+#include <ardour/runtime_functions.h>
+#include <ardour/buffer_set.h>
#include "i18n.h"
return val;
}
-StreamPanner::StreamPanner (Panner& p)
- : parent (p),
- _control (*this)
+StreamPanner::StreamPanner (Panner& p, Parameter param)
+ : parent (p)
+ , _control (new PanControllable(p.session(), X_("panner"), *this, param))
{
+ assert(param.type() != NullAutomation);
+
_muted = false;
+ parent.session().add_controllable (_control);
+
x = 0.5;
y = 0.5;
z = 0.5;
x = xpos;
update ();
Changed ();
- _control.Changed ();
+ _control->Changed ();
}
}
/*---------------------------------------------------------------------- */
-BaseStereoPanner::BaseStereoPanner (Panner& p)
- : StreamPanner (p), _automation (0.0, 1.0, 0.5)
+BaseStereoPanner::BaseStereoPanner (Panner& p, Parameter param)
+ : StreamPanner (p, param)
{
}
{
}
-void
-BaseStereoPanner::snapshot (jack_nframes_t now)
-{
- if (_automation.automation_state() == Write || _automation.automation_state() == Touch) {
- _automation.rt_add (now, x);
- }
-}
-
-void
-BaseStereoPanner::transport_stopped (jack_nframes_t frame)
-{
- _automation.reposition_for_rt_add (frame);
-
- if (_automation.automation_state() != Off) {
-
- if (_automation.automation_write()) {
- _automation.save_state (_("automation write pass"));
- }
-
- set_position (_automation.eval (frame));
- }
-}
-
-void
-BaseStereoPanner::set_automation_style (AutoStyle style)
-{
- _automation.set_automation_style (style);
-}
-
-void
-BaseStereoPanner::set_automation_state (AutoState state)
-{
- if (state != _automation.automation_state()) {
-
- _automation.set_automation_state (state);
-
- if (state != Off) {
- set_position (_automation.eval (parent.session().transport_frame()));
- }
- }
-}
-
-int
-BaseStereoPanner::save (ostream& out) const
-{
- LocaleGuard lg (X_("POSIX"));
-
- /* force a single format for numeric data to ease session interchange
- across national boundaries.
- */
-
- out << "begin" << endl;
-
- for (AutomationList::const_iterator i = _automation.const_begin(); i != _automation.const_end(); ++i) {
- out << '\t' << (jack_nframes_t) floor ((*i)->when) << ' ' << (*i)->value << endl;
- if (!out) {
- error << string_compose (_("error writing pan automation file (%s)"), strerror (errno)) << endmsg;
- return -1;
- }
- }
- out << "end" << endl;
-
- return 0;
-}
-
int
BaseStereoPanner::load (istream& in, string path, uint32_t& linecnt)
{
char line[128];
LocaleGuard lg (X_("POSIX"));
- _automation.clear ();
+ _control->list()->clear ();
while (in.getline (line, sizeof (line), '\n')) {
- jack_nframes_t when;
+ nframes_t when;
double value;
++linecnt;
continue;
}
- _automation.add (when, value, true);
+ _control->list()->fast_simple_add (when, value);
}
/* now that we are done loading */
- _automation.save_state (_("loaded from disk"));
- _automation.StateChanged (Change (0));
+ _control->list()->StateChanged ();
return 0;
}
void
-BaseStereoPanner::distribute (Sample* src, Sample** obufs, gain_t gain_coeff, jack_nframes_t nframes)
+BaseStereoPanner::distribute (AudioBuffer& srcbuf, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes)
{
+ assert(obufs.count().n_audio() == 2);
+
pan_t delta;
Sample* dst;
pan_t pan;
if (_muted) {
return;
}
+
+ Sample* const src = srcbuf.data();
/* LEFT */
- dst = obufs[0];
+ dst = obufs.get_audio(0).data();
if (fabsf ((delta = (left - desired_left))) > 0.002) { // about 1 degree of arc
/* interpolate over 64 frames or nframes, whichever is smaller */
- jack_nframes_t limit = min ((jack_nframes_t)64, nframes);
- jack_nframes_t n;
+ nframes_t limit = min ((nframes_t)64, nframes);
+ nframes_t n;
delta = -(delta / (float) (limit));
pan = left * gain_coeff;
- Session::mix_buffers_with_gain(dst+n,src+n,nframes-n,pan);
+ mix_buffers_with_gain (dst+n,src+n,nframes-n,pan);
} else {
if (pan != 0.0f) {
- Session::mix_buffers_with_gain(dst,src,nframes,pan);
+ mix_buffers_with_gain(dst,src,nframes,pan);
/* mark that we wrote into the buffer */
} else {
- Session::mix_buffers_no_gain(dst,src,nframes);
+ mix_buffers_no_gain(dst,src,nframes);
/* mark that we wrote into the buffer */
/* RIGHT */
- dst = obufs[1];
+ dst = obufs.get_audio(1).data();
if (fabsf ((delta = (right - desired_right))) > 0.002) { // about 1 degree of arc
/* interpolate over 64 frames or nframes, whichever is smaller */
- jack_nframes_t limit = min ((jack_nframes_t)64, nframes);
- jack_nframes_t n;
+ nframes_t limit = min ((nframes_t)64, nframes);
+ nframes_t n;
delta = -(delta / (float) (limit));
pan = right * gain_coeff;
- Session::mix_buffers_with_gain(dst+n,src+n,nframes-n,pan);
+ mix_buffers_with_gain(dst+n,src+n,nframes-n,pan);
/* XXX it would be nice to mark the buffer as written to */
if (pan != 0.0f) {
- Session::mix_buffers_with_gain(dst,src,nframes,pan);
+ mix_buffers_with_gain(dst,src,nframes,pan);
/* XXX it would be nice to mark the buffer as written to */
}
} else {
- Session::mix_buffers_no_gain(dst,src,nframes);
+ mix_buffers_no_gain(dst,src,nframes);
/* XXX it would be nice to mark the buffer as written to */
}
/*---------------------------------------------------------------------- */
-EqualPowerStereoPanner::EqualPowerStereoPanner (Panner& p)
- : BaseStereoPanner (p)
+EqualPowerStereoPanner::EqualPowerStereoPanner (Panner& p, Parameter param)
+ : BaseStereoPanner (p, param)
{
update ();
desired_right = panR * (scale * panR + 1.0f - scale);
effective_x = x;
+ _control->set_value(x);
}
void
-EqualPowerStereoPanner::distribute_automated (Sample* src, Sample** obufs,
- jack_nframes_t start, jack_nframes_t end, jack_nframes_t nframes,
+EqualPowerStereoPanner::distribute_automated (AudioBuffer& srcbuf, BufferSet& obufs,
+ nframes_t start, nframes_t end, nframes_t nframes,
pan_t** buffers)
{
+ assert(obufs.count().n_audio() == 2);
+
Sample* dst;
pan_t* pbuf;
+ Sample* const src = srcbuf.data();
/* fetch positional data */
- if (!_automation.rt_safe_get_vector (start, end, buffers[0], nframes)) {
+ if (!_control->list()->curve().rt_safe_get_vector (start, end, buffers[0], nframes)) {
/* fallback */
if (!_muted) {
- distribute (src, obufs, 1.0, nframes);
+ distribute (srcbuf, obufs, 1.0, nframes);
}
return;
}
/* store effective pan position. do this even if we are muted */
- if (nframes > 0)
+ if (nframes > 0) {
effective_x = buffers[0][nframes-1];
+ _control->set_value(effective_x); // signal, update UI
+ }
if (_muted) {
return;
const float pan_law_attenuation = -3.0f;
const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
- for (jack_nframes_t n = 0; n < nframes; ++n) {
+ for (nframes_t n = 0; n < nframes; ++n) {
float panR = buffers[0][n];
float panL = 1 - panR;
/* LEFT */
- dst = obufs[0];
+ dst = obufs.get_audio(0).data();
pbuf = buffers[0];
- for (jack_nframes_t n = 0; n < nframes; ++n) {
+ for (nframes_t n = 0; n < nframes; ++n) {
dst[n] += src[n] * pbuf[n];
}
- /* XXX it would be nice to mark the buffer as written to */
+ /* XXX it would be nice to mark the buffer as written to */
/* RIGHT */
- dst = obufs[1];
+ dst = obufs.get_audio(1).data();
pbuf = buffers[1];
- for (jack_nframes_t n = 0; n < nframes; ++n) {
+ for (nframes_t n = 0; n < nframes; ++n) {
dst[n] += src[n] * pbuf[n];
}
- /* XXX it would be nice to mark the buffer as written to */
+ /* XXX it would be nice to mark the buffer as written to */
}
StreamPanner*
-EqualPowerStereoPanner::factory (Panner& parent)
+EqualPowerStereoPanner::factory (Panner& parent, Parameter param)
{
- return new EqualPowerStereoPanner (parent);
+ return new EqualPowerStereoPanner (parent, param);
}
XMLNode&
char buf[64];
LocaleGuard lg (X_("POSIX"));
- snprintf (buf, sizeof (buf), "%f", x);
+ snprintf (buf, sizeof (buf), "%.12g", x);
root->add_property (X_("x"), buf);
root->add_property (X_("type"), EqualPowerStereoPanner::name);
- if (full_state) {
- snprintf (buf, sizeof (buf), "0x%x", _automation.automation_state());
- } else {
- /* never store automation states other than off in a template */
- snprintf (buf, sizeof (buf), "0x%x", ARDOUR::Off);
- }
- root->add_property (X_("automation-state"), buf);
- snprintf (buf, sizeof (buf), "0x%x", _automation.automation_style());
- root->add_property (X_("automation-style"), buf);
+
+ XMLNode* autonode = new XMLNode (X_("Automation"));
+ autonode->add_child_nocopy (_control->list()->state (full_state));
+ root->add_child_nocopy (*autonode);
StreamPanner::add_state (*root);
+ root->add_child_nocopy (_control->get_state ());
+
return *root;
}
EqualPowerStereoPanner::set_state (const XMLNode& node)
{
const XMLProperty* prop;
- int x;
float pos;
LocaleGuard lg (X_("POSIX"));
set_position (pos, true);
}
- if ((prop = node.property (X_("automation-state")))) {
- sscanf (prop->value().c_str(), "0x%x", &x);
- _automation.set_automation_state ((AutoState) x);
+ StreamPanner::set_state (node);
- if (x != Off) {
- set_position (_automation.eval (parent.session().transport_frame()));
- }
- }
+ for (XMLNodeConstIterator iter = node.children().begin(); iter != node.children().end(); ++iter) {
- if ((prop = node.property (X_("automation-style")))) {
- sscanf (prop->value().c_str(), "0x%x", &x);
- _automation.set_automation_style ((AutoStyle) x);
+ if ((*iter)->name() == X_("controllable")) {
+ if ((prop = (*iter)->property("name")) != 0 && prop->value() == "panner") {
+ _control->set_state (**iter);
+ }
+
+ } else if ((*iter)->name() == X_("Automation")) {
+
+ _control->list()->set_state (*((*iter)->children().front()));
+
+ if (_control->list()->automation_state() != Off) {
+ set_position (_control->list()->eval (parent.session().transport_frame()));
+ }
+ }
}
- StreamPanner::set_state (node);
-
return 0;
}
/*----------------------------------------------------------------------*/
-Multi2dPanner::Multi2dPanner (Panner& p)
- : StreamPanner (p), _automation (0.0, 1.0, 0.5) // XXX useless
+Multi2dPanner::Multi2dPanner (Panner& p, Parameter param)
+ : StreamPanner (p, param)
{
update ();
}
{
}
-void
-Multi2dPanner::snapshot (jack_nframes_t now)
-{
- // how?
-}
-
-void
-Multi2dPanner::transport_stopped (jack_nframes_t frame)
-{
- //what?
-}
-
-void
-Multi2dPanner::set_automation_style (AutoStyle style)
-{
- //what?
-}
-
-void
-Multi2dPanner::set_automation_state (AutoState state)
-{
- // what?
-}
-
void
Multi2dPanner::update ()
{
}
effective_x = x;
+ _control->set_value(x);
}
void
-Multi2dPanner::distribute (Sample* src, Sample** obufs, gain_t gain_coeff, jack_nframes_t nframes)
+Multi2dPanner::distribute (AudioBuffer& srcbuf, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes)
{
Sample* dst;
pan_t pan;
if (_muted) {
return;
}
+
+ Sample* const src = srcbuf.data();
for (n = 0, o = parent.outputs.begin(); o != parent.outputs.end(); ++o, ++n) {
- dst = obufs[n];
+ dst = obufs.get_audio(n).data();
#ifdef CAN_INTERP
if (fabsf ((delta = (left_interp - desired_left))) > 0.002) { // about 1 degree of arc
/* interpolate over 64 frames or nframes, whichever is smaller */
- jack_nframes_t limit = min ((jack_nframes_t)64, nframes);
- jack_nframes_t n;
+ nframes_t limit = min ((nframes_t)64, nframes);
+ nframes_t n;
delta = -(delta / (float) (limit));
}
pan = left * gain_coeff;
-
- for (; n < nframes; ++n) {
- dst[n] += src[n] * pan;
- }
+ mix_buffers_with_gain(dst+n,src+n,nframes-n,pan);
} else {
if ((pan *= gain_coeff) != 1.0f) {
if (pan != 0.0f) {
-
- for (jack_nframes_t n = 0; n < nframes; ++n) {
- dst[n] += src[n] * pan;
- }
-
+ mix_buffers_with_gain(dst,src,nframes,pan);
}
-
-
} else {
-
- for (jack_nframes_t n = 0; n < nframes; ++n) {
- dst[n] += src[n];
- }
-
+ mix_buffers_no_gain(dst,src,nframes);
}
#endif
#ifdef CAN_INTERP
}
void
-Multi2dPanner::distribute_automated (Sample* src, Sample** obufs,
- jack_nframes_t start, jack_nframes_t end, jack_nframes_t nframes,
+Multi2dPanner::distribute_automated (AudioBuffer& src, BufferSet& obufs,
+ nframes_t start, nframes_t end, nframes_t nframes,
pan_t** buffers)
{
if (_muted) {
}
StreamPanner*
-Multi2dPanner::factory (Panner& p)
+Multi2dPanner::factory (Panner& p, Parameter param)
{
- return new Multi2dPanner (p);
+ return new Multi2dPanner (p, param);
}
int
return 0;
}
-int
-Multi2dPanner::save (ostream& out) const
-{
- return 0;
-}
-
XMLNode&
Multi2dPanner::get_state (void)
{
char buf[64];
LocaleGuard lg (X_("POSIX"));
- snprintf (buf, sizeof (buf), "%f", x);
+ snprintf (buf, sizeof (buf), "%.12g", x);
root->add_property (X_("x"), buf);
- snprintf (buf, sizeof (buf), "%f", y);
+ snprintf (buf, sizeof (buf), "%.12g", y);
root->add_property (X_("y"), buf);
root->add_property (X_("type"), Multi2dPanner::name);
+ /* XXX no meaningful automation yet */
+
return *root;
}
: _session (s)
{
set_name (name);
+
_linked = false;
_link_direction = SameDirection;
_bypassed = false;
}
}
-void
-Panner::set_name (string str)
-{
- automation_path = _session.automation_dir();
- automation_path += _session.snap_name();
- automation_path += "-pan-";
- automation_path += legalize_for_path (str);
- automation_path += ".automation";
-}
-
-
void
Panner::set_bypassed (bool yn)
{
uint32_t n;
bool changed = false;
-
if (nouts < 2 || (nouts == outputs.size() && npans == size())) {
return;
}
outputs.push_back (Output (1.0, 0));
for (n = 0; n < npans; ++n) {
- push_back (new EqualPowerStereoPanner (*this));
+ push_back (new EqualPowerStereoPanner (*this, Parameter(PanAutomation, n)));
}
break;
outputs.push_back (Output (1.0, 1.0));
for (n = 0; n < npans; ++n) {
- push_back (new Multi2dPanner (*this));
+ push_back (new Multi2dPanner (*this, Parameter(PanAutomation, n)));
}
break;
outputs.push_back (Output (0, 1.0));
for (n = 0; n < npans; ++n) {
- push_back (new Multi2dPanner (*this));
+ push_back (new Multi2dPanner (*this, Parameter(PanAutomation, n)));
}
break;
outputs.push_back (Output (0.5, 0.75));
for (n = 0; n < npans; ++n) {
- push_back (new Multi2dPanner (*this));
+ push_back (new Multi2dPanner (*this, Parameter(PanAutomation, n)));
}
break;
}
for (n = 0; n < npans; ++n) {
- push_back (new Multi2dPanner (*this));
+ push_back (new Multi2dPanner (*this, Parameter(PanAutomation, n)));
}
break;
if (changed || ((left == 0.5) && (right == 0.5))) {
front()->set_position (0.0);
- front()->automation().reset_default (0.0);
+ front()->pan_control()->list()->reset_default (0.0);
back()->set_position (1.0);
- back()->automation().reset_default (1.0);
+ back()->pan_control()->list()->reset_default (1.0);
changed = true;
}
Panner::set_automation_style (AutoStyle style)
{
for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->set_automation_style (style);
+ (*i)->pan_control()->list()->set_automation_style (style);
}
_session.set_dirty ();
}
Panner::set_automation_state (AutoState state)
{
for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->set_automation_state (state);
+ (*i)->pan_control()->list()->set_automation_state (state);
}
_session.set_dirty ();
}
Panner::automation_state () const
{
if (!empty()) {
- return front()->automation().automation_state ();
+ return front()->pan_control()->list()->automation_state ();
} else {
return Off;
}
Panner::automation_style () const
{
if (!empty()) {
- return front()->automation().automation_style ();
+ return front()->pan_control()->list()->automation_style ();
} else {
return Absolute;
}
}
void
-Panner::transport_stopped (jack_nframes_t frame)
+Panner::transport_stopped (nframes_t frame)
{
for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->transport_stopped (frame);
+ (*i)->pan_control()->list()->reposition_for_rt_add (frame);
}
}
void
-Panner::snapshot (jack_nframes_t now)
+Panner::snapshot (nframes_t now)
{
for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->snapshot (now);
+ boost::shared_ptr<AutomationList> list = (*i)->pan_control()->list();
+ if (list->automation_write())
+ list->rt_add(now, (*i)->pan_control()->get_value());
}
}
Panner::clear_automation ()
{
for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->automation().clear ();
+ (*i)->pan_control()->list()->clear ();
}
_session.set_dirty ();
}
-int
-Panner::save () const
-{
- ofstream out (automation_path.c_str());
-
- if (!out) {
- error << string_compose (_("cannot open pan automation file \"%1\" for saving (%s)"), automation_path, strerror (errno))
- << endmsg;
- return -1;
- }
-
- out << X_("version ") << current_automation_version_number << endl;
-
- for (vector<StreamPanner*>::const_iterator i = begin(); i != end(); ++i) {
- if ((*i)->save (out)) {
- return -1;
- }
- }
-
- return 0;
-}
-
-int
-Panner::load ()
-{
- char line[128];
- uint32_t linecnt = 0;
- float version;
- iterator sp;
- LocaleGuard lg (X_("POSIX"));
-
- if (automation_path.length() == 0) {
- return 0;
- }
-
- if (access (automation_path.c_str(), F_OK)) {
- return 0;
- }
-
- ifstream in (automation_path.c_str());
-
- if (!in) {
- error << string_compose (_("cannot open pan automation file %1 (%2)"),
- automation_path, strerror (errno))
- << endmsg;
- return -1;
- }
-
- sp = begin();
-
- while (in.getline (line, sizeof(line), '\n')) {
-
- if (++linecnt == 1) {
- if (memcmp (line, X_("version"), 7) == 0) {
- if (sscanf (line, "version %f", &version) != 1) {
- error << string_compose(_("badly formed version number in pan automation event file \"%1\""), automation_path) << endmsg;
- return -1;
- }
- } else {
- error << string_compose(_("no version information in pan automation event file \"%1\" (first line = %2)"),
- automation_path, line) << endmsg;
- return -1;
- }
-
- if (version != current_automation_version_number) {
- error << string_compose(_("mismatched pan automation event file version (%1)"), version) << endmsg;
- return -1;
- }
-
- continue;
- }
-
- if (strlen (line) == 0 || line[0] == '#') {
- continue;
- }
-
- if (strcmp (line, "begin") == 0) {
-
- if (sp == end()) {
- error << string_compose (_("too many panner states found in pan automation file %1"),
- automation_path)
- << endmsg;
- return -1;
- }
-
- if ((*sp)->load (in, automation_path, linecnt)) {
- return -1;
- }
-
- ++sp;
- }
- }
-
- return 0;
-}
-
struct PanPlugins {
string name;
uint32_t nouts;
- StreamPanner* (*factory)(Panner&);
+ StreamPanner* (*factory)(Panner&, Parameter);
};
PanPlugins pan_plugins[] = {
XMLNode* root = new XMLNode (X_("Panner"));
char buf[32];
- for (iterator p = begin(); p != end(); ++p) {
- root->add_child_nocopy ((*p)->state (full));
- }
-
root->add_property (X_("linked"), (_linked ? "yes" : "no"));
- snprintf (buf, sizeof (buf), "%d", _link_direction);
- root->add_property (X_("link_direction"), buf);
+ root->add_property (X_("link_direction"), enum_2_string (_link_direction));
root->add_property (X_("bypassed"), (bypassed() ? "yes" : "no"));
/* add each output */
for (vector<Panner::Output>::iterator o = outputs.begin(); o != outputs.end(); ++o) {
XMLNode* onode = new XMLNode (X_("Output"));
- snprintf (buf, sizeof (buf), "%f", (*o).x);
+ snprintf (buf, sizeof (buf), "%.12g", (*o).x);
onode->add_property (X_("x"), buf);
- snprintf (buf, sizeof (buf), "%f", (*o).y);
+ snprintf (buf, sizeof (buf), "%.12g", (*o).y);
onode->add_property (X_("y"), buf);
root->add_child_nocopy (*onode);
}
- if (full) {
- if (save () == 0) {
- root->add_property (X_("automation"), Glib::path_get_basename (automation_path));
- }
+ for (vector<StreamPanner*>::const_iterator i = begin(); i != end(); ++i) {
+ root->add_child_nocopy ((*i)->state (full));
}
return *root;
}
if ((prop = node.property (X_("link_direction"))) != 0) {
- sscanf (prop->value().c_str(), "%d", &i);
- set_link_direction ((LinkDirection) (i));
+ LinkDirection ld; /* here to provide type information */
+ set_link_direction (LinkDirection (string_2_enum (prop->value(), ld)));
}
nlist = node.children();
float x, y;
prop = (*niter)->property (X_("x"));
- sscanf (prop->value().c_str(), "%f", &x);
+ sscanf (prop->value().c_str(), "%g", &x);
prop = (*niter)->property (X_("y"));
- sscanf (prop->value().c_str(), "%f", &y);
+ sscanf (prop->value().c_str(), "%g", &y);
outputs.push_back (Output (x, y));
}
assumption, but its still an assumption.
*/
- sp = pan_plugins[i].factory (*this);
+ sp = pan_plugins[i].factory (*this, Parameter(PanAutomation, 0));
if (sp->set_state (**niter) == 0) {
push_back (sp);
}
}
- /* don't try to load automation if it wasn't marked as existing */
+ /* don't try to do old-school automation loading if it wasn't marked as existing */
if ((prop = node.property (X_("automation")))) {
Panner::touching () const
{
for (vector<StreamPanner*>::const_iterator i = begin(); i != end(); ++i) {
- if ((*i)->automation().touching ()) {
+ if ((*i)->pan_control()->list()->touching ()) {
return true;
}
}
}
}
}
+
+void
+Panner::distribute_no_automation (BufferSet& inbufs, BufferSet& outbufs, nframes_t nframes, nframes_t offset, gain_t gain_coeff)
+{
+ if (outbufs.count().n_audio() == 0) {
+ // Don't want to lose audio...
+ assert(inbufs.count().n_audio() == 0);
+ return;
+ }
+
+ // We shouldn't be called in the first place...
+ assert(!bypassed());
+ assert(!empty());
+
+
+ if (outbufs.count().n_audio() == 1) {
+
+ AudioBuffer& dst = outbufs.get_audio(0);
+
+ if (gain_coeff == 0.0f) {
+
+ /* only one output, and gain was zero, so make it silent */
+
+ dst.silence(offset);
+
+ } else if (gain_coeff == 1.0f){
+
+ /* mix all buffers into the output */
+
+ // copy the first
+ dst.read_from(inbufs.get_audio(0), nframes, offset);
+
+ // accumulate starting with the second
+ BufferSet::audio_iterator i = inbufs.audio_begin();
+ for (++i; i != inbufs.audio_end(); ++i) {
+ dst.accumulate_from(*i, nframes, offset);
+ }
+
+ } else {
+
+ /* mix all buffers into the output, scaling them all by the gain */
+
+ // copy the first
+ dst.read_from(inbufs.get_audio(0), nframes, offset);
+
+ // accumulate (with gain) starting with the second
+ BufferSet::audio_iterator i = inbufs.audio_begin();
+ for (++i; i != inbufs.audio_end(); ++i) {
+ dst.accumulate_with_gain_from(*i, nframes, offset, gain_coeff);
+ }
+
+ }
+
+ return;
+ }
+
+ /* the terrible silence ... */
+ for (BufferSet::audio_iterator i = outbufs.audio_begin(); i != outbufs.audio_end(); ++i) {
+ i->silence(nframes, offset);
+ }
+
+ BufferSet::audio_iterator i = inbufs.audio_begin();
+
+ for (iterator pan = begin(); pan != end() && i != inbufs.audio_end(); ++pan, ++i) {
+ (*pan)->distribute (*i, outbufs, gain_coeff, nframes);
+ }
+}
+
+void
+Panner::distribute (BufferSet& inbufs, BufferSet& outbufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
+{
+ if (outbufs.count().n_audio() == 0) {
+ // Failing to deliver audio we were asked to deliver is a bug
+ assert(inbufs.count().n_audio() == 0);
+ return;
+ }
+
+ // We shouldn't be called in the first place...
+ assert(!bypassed());
+ assert(!empty());
+
+ // If we shouldn't play automation defer to distribute_no_automation
+ if ( !( automation_state() & Play ||
+ ((automation_state() & Touch) && !touching()) ) ) {
+
+ // Speed quietning
+ gain_t gain_coeff = 1.0;
+ if (fabsf(_session.transport_speed()) > 1.5f) {
+ gain_coeff = speed_quietning;
+ }
+
+ distribute_no_automation(inbufs, outbufs, nframes, offset, gain_coeff);
+ return;
+ }
+
+ // Otherwise.. let the automation flow, baby
+
+ if (outbufs.count().n_audio() == 1) {
+
+ AudioBuffer& dst = outbufs.get_audio(0);
+
+ // FIXME: apply gain automation?
+
+ // copy the first
+ dst.read_from(inbufs.get_audio(0), nframes, offset);
+
+ // accumulate starting with the second
+ BufferSet::audio_iterator i = inbufs.audio_begin();
+ for (++i; i != inbufs.audio_end(); ++i) {
+ dst.accumulate_from(*i, nframes, offset);
+ }
+
+ return;
+ }
+
+ // More than 1 output, we should have 1 panner for each input
+ assert(size() == inbufs.count().n_audio());
+
+ /* the terrible silence ... */
+ for (BufferSet::audio_iterator i = outbufs.audio_begin(); i != outbufs.audio_end(); ++i) {
+ i->silence(nframes, offset);
+ }
+
+ BufferSet::audio_iterator i = inbufs.audio_begin();
+ for (iterator pan = begin(); pan != end(); ++pan, ++i) {
+ (*pan)->distribute_automated (*i, outbufs, start_frame, end_frame, nframes, _session.pan_automation_buffer());
+ }
+}
+
+/* old school automation handling */
+
+void
+Panner::set_name (string str)
+{
+ automation_path = _session.automation_dir();
+ automation_path += _session.snap_name();
+ automation_path += "-pan-";
+ automation_path += legalize_for_path (str);
+ automation_path += ".automation";
+}
+
+int
+Panner::load ()
+{
+ char line[128];
+ uint32_t linecnt = 0;
+ float version;
+ iterator sp;
+ LocaleGuard lg (X_("POSIX"));
+
+ if (automation_path.length() == 0) {
+ return 0;
+ }
+
+ if (access (automation_path.c_str(), F_OK)) {
+ return 0;
+ }
+
+ ifstream in (automation_path.c_str());
+
+ if (!in) {
+ error << string_compose (_("cannot open pan automation file %1 (%2)"),
+ automation_path, strerror (errno))
+ << endmsg;
+ return -1;
+ }
+
+ sp = begin();
+
+ while (in.getline (line, sizeof(line), '\n')) {
+
+ if (++linecnt == 1) {
+ if (memcmp (line, X_("version"), 7) == 0) {
+ if (sscanf (line, "version %f", &version) != 1) {
+ error << string_compose(_("badly formed version number in pan automation event file \"%1\""), automation_path) << endmsg;
+ return -1;
+ }
+ } else {
+ error << string_compose(_("no version information in pan automation event file \"%1\" (first line = %2)"),
+ automation_path, line) << endmsg;
+ return -1;
+ }
+
+ continue;
+ }
+
+ if (strlen (line) == 0 || line[0] == '#') {
+ continue;
+ }
+
+ if (strcmp (line, "begin") == 0) {
+
+ if (sp == end()) {
+ error << string_compose (_("too many panner states found in pan automation file %1"),
+ automation_path)
+ << endmsg;
+ return -1;
+ }
+
+ if ((*sp)->load (in, automation_path, linecnt)) {
+ return -1;
+ }
+
+ ++sp;
+ }
+ }
+
+ return 0;
+}
projects / ardour.git / blobdiff