/*
- Copyright (C) 2004 Paul Davis
+ Copyright (C) 2004-2011 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
-#define __STDC_FORMAT_MACROS 1
-#include <inttypes.h>
+#include "ardour/buffer_set.h"
+#include "ardour/debug.h"
+#include "ardour/panner.h"
+#include "ardour/pannable.h"
-#include <cmath>
-#include <cerrno>
-#include <fstream>
-#include <cstdlib>
-#include <string>
-#include <cstdio>
-#include <locale.h>
-#include <unistd.h>
-#include <float.h>
-
-#include <glibmm.h>
-
-#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/runtime_functions.h>
-#include <ardour/buffer_set.h>
-
-#include "i18n.h"
-
-#include <pbd/mathfix.h>
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
-using namespace PBD;
-
-float Panner::current_automation_version_number = 1.0;
-
-string EqualPowerStereoPanner::name = "Equal Power Stereo";
-string Multi2dPanner::name = "Multiple (2D)";
-
-/* this is a default mapper of control values to a pan position
- others can be imagined.
-*/
-
-static pan_t direct_control_to_pan (double fract) {
- return fract;
-}
-
-
-//static double direct_pan_to_control (pan_t val) {
-// return val;
-//}
-
-StreamPanner::StreamPanner (Panner& p, Evoral::Parameter param)
- : parent (p)
-{
- assert(param.type() != NullAutomation);
-
- _muted = false;
-
- _control = boost::dynamic_pointer_cast<AutomationControl>( parent.control( param, true ) );
-
- x = 0.5;
- y = 0.5;
- z = 0.5;
-}
-
-StreamPanner::~StreamPanner ()
-{
-}
-
-void
-Panner::PanControllable::set_value (float val)
-{
- panner.streampanner(parameter().id()).set_position (direct_control_to_pan (val));
- AutomationControl::set_value(val);
-}
-
-float
-Panner::PanControllable::get_value (void) const
-{
- return AutomationControl::get_value();
-}
-
-void
-StreamPanner::set_muted (bool yn)
-{
- if (yn != _muted) {
- _muted = yn;
- StateChanged ();
- }
-}
-
-void
-StreamPanner::set_position (float xpos, bool link_call)
-{
- if (!link_call && parent.linked()) {
- parent.set_position (xpos, *this);
- }
-
- if (x != xpos) {
- x = xpos;
- update ();
- Changed ();
- _control->Changed ();
- }
-}
-
-void
-StreamPanner::set_position (float xpos, float ypos, bool link_call)
-{
- if (!link_call && parent.linked()) {
- parent.set_position (xpos, ypos, *this);
- }
-
- if (x != xpos || y != ypos) {
-
- x = xpos;
- y = ypos;
- update ();
- Changed ();
- }
-}
-
-void
-StreamPanner::set_position (float xpos, float ypos, float zpos, bool link_call)
-{
- if (!link_call && parent.linked()) {
- parent.set_position (xpos, ypos, zpos, *this);
- }
-
- if (x != xpos || y != ypos || z != zpos) {
- x = xpos;
- y = ypos;
- z = zpos;
- update ();
- Changed ();
- }
-}
-
-int
-StreamPanner::set_state (const XMLNode& node)
-{
- const XMLProperty* prop;
- XMLNodeConstIterator iter;
-
- if ((prop = node.property (X_("muted")))) {
- set_muted (prop->value() == "yes");
- }
-
- return 0;
-}
-
-void
-StreamPanner::add_state (XMLNode& node)
-{
- node.add_property (X_("muted"), (muted() ? "yes" : "no"));
-}
-
-/*---------------------------------------------------------------------- */
-
-BaseStereoPanner::BaseStereoPanner (Panner& p, Evoral::Parameter param)
- : StreamPanner (p, param)
-{
-}
-
-BaseStereoPanner::~BaseStereoPanner ()
-{
-}
-
-int
-BaseStereoPanner::load (istream& in, string path, uint32_t& linecnt)
-{
- char line[128];
- LocaleGuard lg (X_("POSIX"));
-
- _control->list()->clear ();
-
- while (in.getline (line, sizeof (line), '\n')) {
- nframes_t when;
- double value;
-
- ++linecnt;
-
- if (strcmp (line, "end") == 0) {
- break;
- }
-
- if (sscanf (line, "%" PRIu32 " %lf", &when, &value) != 2) {
- warning << string_compose(_("badly formatted pan automation event record at line %1 of %2 (ignored) [%3]"), linecnt, path, line) << endmsg;
- continue;
- }
-
- _control->list()->fast_simple_add (when, value);
- }
-
- /* now that we are done loading */
-
- ((AutomationList*)_control->list().get())->StateChanged ();
-
- return 0;
-}
-
-void
-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.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 */
-
- nframes_t limit = min ((nframes_t)64, nframes);
- nframes_t n;
-
- delta = -(delta / (float) (limit));
-
- for (n = 0; n < limit; n++) {
- left_interp = left_interp + delta;
- left = left_interp + 0.9 * (left - left_interp);
- dst[n] += src[n] * left * gain_coeff;
- }
-
- pan = left * gain_coeff;
-
- mix_buffers_with_gain (dst+n,src+n,nframes-n,pan);
-
- } else {
-
- left = desired_left;
- left_interp = left;
-
- if ((pan = (left * gain_coeff)) != 1.0f) {
-
- if (pan != 0.0f) {
-
- mix_buffers_with_gain(dst,src,nframes,pan);
-
- /* mark that we wrote into the buffer */
-
- // obufs[0] = 0;
-
- }
-
- } else {
-
- mix_buffers_no_gain(dst,src,nframes);
-
- /* mark that we wrote into the buffer */
-
- // obufs[0] = 0;
- }
- }
-
- /* RIGHT */
-
- 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 */
-
- nframes_t limit = min ((nframes_t)64, nframes);
- nframes_t n;
-
- delta = -(delta / (float) (limit));
-
- for (n = 0; n < limit; n++) {
- right_interp = right_interp + delta;
- right = right_interp + 0.9 * (right - right_interp);
- dst[n] += src[n] * right * gain_coeff;
- }
-
- pan = right * gain_coeff;
-
- mix_buffers_with_gain(dst+n,src+n,nframes-n,pan);
-
- /* XXX it would be nice to mark the buffer as written to */
-
- } else {
-
- right = desired_right;
- right_interp = right;
-
- if ((pan = (right * gain_coeff)) != 1.0f) {
-
- if (pan != 0.0f) {
-
- mix_buffers_with_gain(dst,src,nframes,pan);
-
- /* XXX it would be nice to mark the buffer as written to */
- }
-
- } else {
-
- mix_buffers_no_gain(dst,src,nframes);
-
- /* XXX it would be nice to mark the buffer as written to */
- }
- }
-}
-
-/*---------------------------------------------------------------------- */
-
-EqualPowerStereoPanner::EqualPowerStereoPanner (Panner& p, Evoral::Parameter param)
- : BaseStereoPanner (p, param)
-{
- update ();
-
- left = desired_left;
- right = desired_right;
- left_interp = left;
- right_interp = right;
-}
-
-EqualPowerStereoPanner::~EqualPowerStereoPanner ()
-{
-}
-
-void
-EqualPowerStereoPanner::update ()
-{
- /* it would be very nice to split this out into a virtual function
- that can be accessed from BaseStereoPanner and used in distribute_automated().
-
- but the place where its used in distribute_automated() is a tight inner loop,
- and making "nframes" virtual function calls to compute values is an absurd
- overhead.
- */
-
- /* x == 0 => hard left
- x == 1 => hard right
- */
-
- float panR = x;
- float panL = 1 - panR;
-
- const float pan_law_attenuation = -3.0f;
- const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
-
- desired_left = panL * (scale * panL + 1.0f - scale);
- desired_right = panR * (scale * panR + 1.0f - scale);
-
- effective_x = x;
- //_control->set_value(x);
-}
-
-void
-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 (!_control->list()->curve().rt_safe_get_vector (start, end, buffers[0], nframes)) {
- /* fallback */
- if (!_muted) {
- distribute (srcbuf, obufs, 1.0, nframes);
- }
- return;
- }
-
- /* store effective pan position. do this even if we are muted */
-
- if (nframes > 0) {
- effective_x = buffers[0][nframes-1];
- }
-
- if (_muted) {
- return;
- }
-
- /* apply pan law to convert positional data into pan coefficients for
- each buffer (output)
- */
-
- const float pan_law_attenuation = -3.0f;
- const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
-
- for (nframes_t n = 0; n < nframes; ++n) {
-
- float panR = buffers[0][n];
- float panL = 1 - panR;
-
- buffers[0][n] = panL * (scale * panL + 1.0f - scale);
- buffers[1][n] = panR * (scale * panR + 1.0f - scale);
- }
-
- /* LEFT */
-
- dst = obufs.get_audio(0).data();
- pbuf = buffers[0];
-
- 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 */
-
- /* RIGHT */
-
- dst = obufs.get_audio(1).data();
- pbuf = buffers[1];
-
- 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 */
-}
-
-StreamPanner*
-EqualPowerStereoPanner::factory (Panner& parent, Evoral::Parameter param)
-{
- return new EqualPowerStereoPanner (parent, param);
-}
-
-XMLNode&
-EqualPowerStereoPanner::get_state (void)
-{
- return state (true);
-}
-
-XMLNode&
-EqualPowerStereoPanner::state (bool full_state)
-{
- XMLNode* root = new XMLNode ("StreamPanner");
- char buf[64];
- LocaleGuard lg (X_("POSIX"));
-
- snprintf (buf, sizeof (buf), "%.12g", x);
- root->add_property (X_("x"), buf);
- root->add_property (X_("type"), EqualPowerStereoPanner::name);
-
- // XXX: dont save automation here... its part of the automatable panner now.
-
- StreamPanner::add_state (*root);
-
- root->add_child_nocopy (_control->get_state ());
-
- return *root;
-}
-
-int
-EqualPowerStereoPanner::set_state (const XMLNode& node)
-{
- const XMLProperty* prop;
- float pos;
- LocaleGuard lg (X_("POSIX"));
-
- if ((prop = node.property (X_("x")))) {
- pos = atof (prop->value().c_str());
- set_position (pos, true);
- }
-
- StreamPanner::set_state (node);
-
- for (XMLNodeConstIterator iter = node.children().begin(); iter != node.children().end(); ++iter) {
-
- 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->alist()->set_state (*((*iter)->children().front()));
-
- if (_control->alist()->automation_state() != Off) {
- set_position (_control->list()->eval (parent.session().transport_frame()));
- }
- }
- }
-
- return 0;
-}
-
-/*----------------------------------------------------------------------*/
-
-Multi2dPanner::Multi2dPanner (Panner& p, Evoral::Parameter param)
- : StreamPanner (p, param)
-{
- update ();
-}
-
-Multi2dPanner::~Multi2dPanner ()
-{
-}
-
-void
-Multi2dPanner::update ()
-{
- static const float BIAS = FLT_MIN;
- uint32_t i;
- uint32_t nouts = parent.outputs.size();
- float dsq[nouts];
- float f, fr;
- vector<pan_t> pans;
-
- f = 0.0f;
-
- for (i = 0; i < nouts; i++) {
- dsq[i] = ((x - parent.outputs[i].x) * (x - parent.outputs[i].x) + (y - parent.outputs[i].y) * (y - parent.outputs[i].y) + BIAS);
- if (dsq[i] < 0.0) {
- dsq[i] = 0.0;
- }
- f += dsq[i] * dsq[i];
- }
-#ifdef __APPLE__
- // terrible hack to support OSX < 10.3.9 builds
- fr = (float) (1.0 / sqrt((double)f));
-#else
- fr = 1.0 / sqrtf(f);
-#endif
- for (i = 0; i < nouts; ++i) {
- parent.outputs[i].desired_pan = 1.0f - (dsq[i] * fr);
- }
-
- effective_x = x;
-}
-
-void
-Multi2dPanner::distribute (AudioBuffer& srcbuf, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes)
-{
- Sample* dst;
- pan_t pan;
- vector<Panner::Output>::iterator o;
- uint32_t n;
-
- if (_muted) {
- return;
- }
-
- Sample* const src = srcbuf.data();
-
-
- for (n = 0, o = parent.outputs.begin(); o != parent.outputs.end(); ++o, ++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 */
-
- nframes_t limit = min ((nframes_t)64, nframes);
- nframes_t n;
-
- delta = -(delta / (float) (limit));
-
- for (n = 0; n < limit; n++) {
- left_interp = left_interp + delta;
- left = left_interp + 0.9 * (left - left_interp);
- dst[n] += src[n] * left * gain_coeff;
- }
-
- pan = left * gain_coeff;
- mix_buffers_with_gain(dst+n,src+n,nframes-n,pan);
-
- } else {
-
-#else
- pan = (*o).desired_pan;
-
- if ((pan *= gain_coeff) != 1.0f) {
-
- if (pan != 0.0f) {
- mix_buffers_with_gain(dst,src,nframes,pan);
- }
- } else {
- mix_buffers_no_gain(dst,src,nframes);
- }
-#endif
-#ifdef CAN_INTERP
- }
-#endif
- }
-
- return;
-}
-
-void
-Multi2dPanner::distribute_automated (AudioBuffer& src, BufferSet& obufs,
- nframes_t start, nframes_t end, nframes_t nframes,
- pan_t** buffers)
-{
- if (_muted) {
- return;
- }
-
- /* what ? */
-
- return;
-}
-
-StreamPanner*
-Multi2dPanner::factory (Panner& p, Evoral::Parameter param)
-{
- return new Multi2dPanner (p, param);
-}
-
-int
-Multi2dPanner::load (istream& in, string path, uint32_t& linecnt)
-{
- return 0;
-}
-
-XMLNode&
-Multi2dPanner::get_state (void)
-{
- return state (true);
-}
-XMLNode&
-Multi2dPanner::state (bool full_state)
+Panner::Panner (boost::shared_ptr<Pannable> p)
+ : _frozen (0)
{
- XMLNode* root = new XMLNode ("StreamPanner");
- char buf[64];
- LocaleGuard lg (X_("POSIX"));
-
- snprintf (buf, sizeof (buf), "%.12g", x);
- root->add_property (X_("x"), buf);
- 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;
-}
-
-int
-Multi2dPanner::set_state (const XMLNode& node)
-{
- const XMLProperty* prop;
- float newx,newy;
- LocaleGuard lg (X_("POSIX"));
-
- newx = -1;
- newy = -1;
-
- if ((prop = node.property (X_("x")))) {
- newx = atof (prop->value().c_str());
- }
-
- if ((prop = node.property (X_("y")))) {
- newy = atof (prop->value().c_str());
- }
-
- if (x < 0 || y < 0) {
- error << _("badly-formed positional data for Multi2dPanner - ignored")
- << endmsg;
- return -1;
- }
-
- set_position (newx, newy);
- return 0;
-}
-
-/*---------------------------------------------------------------------- */
-
-Panner::Panner (string name, Session& s)
- : Processor(s, name, PostFader)
-{
- //set_name_old_auto (name);
- set_name (name);
-
- _linked = false;
- _link_direction = SameDirection;
- _bypassed = false;
+ // boost_debug_shared_ptr_mark_interesting (this, "panner");
+ _pannable = p;
}
Panner::~Panner ()
{
+ DEBUG_TRACE(PBD::DEBUG::Destruction, string_compose ("panner @ %1 destructor, pannable is %2 @ %3\n", this, _pannable, &_pannable));
}
-void
-Panner::set_linked (bool yn)
+XMLNode&
+Panner::get_state ()
{
- if (yn != _linked) {
- _linked = yn;
- _session.set_dirty ();
- LinkStateChanged (); /* EMIT SIGNAL */
- }
+ return *(new XMLNode (X_("Panner")));
}
void
-Panner::set_link_direction (LinkDirection ld)
+Panner::distribute (BufferSet& ibufs, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes)
{
- if (ld != _link_direction) {
- _link_direction = ld;
- _session.set_dirty ();
- LinkStateChanged (); /* EMIT SIGNAL */
- }
-}
+ uint32_t which = 0;
-
-void
-Panner::set_bypassed (bool yn)
-{
- if (yn != _bypassed) {
- _bypassed = yn;
- StateChanged ();
+ for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
+ distribute_one (*src, obufs, gain_coeff, nframes, which);
}
}
-
void
-Panner::reset (uint32_t nouts, uint32_t npans)
+Panner::distribute_automated (BufferSet& ibufs, BufferSet& obufs,
+ framepos_t start, framepos_t end, pframes_t nframes, pan_t** buffers)
{
- uint32_t n;
- bool changed = false;
- bool do_not_and_did_not_need_panning = ((nouts < 2) && (outputs.size() < 2));
-
- /* if new and old config don't need panning, or if
- the config hasn't changed, we're done.
- */
-
- if (do_not_and_did_not_need_panning ||
- ((nouts == outputs.size()) && (npans == _streampanners.size()))) {
- return;
- }
-
- n = _streampanners.size();
- clear_panners ();
-
- if (n != npans) {
- changed = true;
- }
-
- n = outputs.size();
- outputs.clear ();
-
- if (n != nouts) {
- changed = true;
- }
-
- if (nouts < 2) {
- goto send_changed;
- }
-
- switch (nouts) {
- case 0:
- break;
-
- case 1:
- fatal << _("programming error:")
- << X_("Panner::reset() called with a single output")
- << endmsg;
- /*NOTREACHED*/
- break;
-
- case 2:
- /* line */
- outputs.push_back (Output (0, 0));
- outputs.push_back (Output (1.0, 0));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new EqualPowerStereoPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
- break;
-
- case 3: // triangle
- outputs.push_back (Output (0.5, 0));
- outputs.push_back (Output (0, 1.0));
- outputs.push_back (Output (1.0, 1.0));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
-
- case 4: // square
- outputs.push_back (Output (0, 0));
- outputs.push_back (Output (1.0, 0));
- outputs.push_back (Output (1.0, 1.0));
- outputs.push_back (Output (0, 1.0));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
-
- case 5: //square+offcenter center
- outputs.push_back (Output (0, 0));
- outputs.push_back (Output (1.0, 0));
- outputs.push_back (Output (1.0, 1.0));
- outputs.push_back (Output (0, 1.0));
- outputs.push_back (Output (0.5, 0.75));
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
-
- default:
- /* XXX horrible placement. FIXME */
- for (n = 0; n < nouts; ++n) {
- outputs.push_back (Output (0.1 * n, 0.1 * n));
- }
-
- for (n = 0; n < npans; ++n) {
- _streampanners.push_back (new Multi2dPanner (*this, Evoral::Parameter(PanAutomation, 0, n)));
- }
-
- break;
- }
+ uint32_t which = 0;
- for (std::vector<StreamPanner*>::iterator x = _streampanners.begin(); x != _streampanners.end(); ++x) {
- (*x)->update ();
+ for (BufferSet::audio_iterator src = ibufs.audio_begin(); src != ibufs.audio_end(); ++src, ++which) {
+ distribute_one_automated (*src, obufs, start, end, nframes, buffers, which);
}
-
- /* force hard left/right panning in a common case: 2in/2out
- */
-
- if (npans == 2 && outputs.size() == 2) {
-
- /* Do this only if we changed configuration, or our configuration
- appears to be the default set up (center).
- */
-
- float left;
- float right;
-
- _streampanners.front()->get_position (left);
- _streampanners.back()->get_position (right);
-
- if (changed || ((left == 0.5) && (right == 0.5))) {
-
- _streampanners.front()->set_position (0.0);
- _streampanners.front()->pan_control()->list()->reset_default (0.0);
-
- _streampanners.back()->set_position (1.0);
- _streampanners.back()->pan_control()->list()->reset_default (1.0);
-
- changed = true;
- }
- }
-
- send_changed:
- if (changed) {
- Changed (); /* EMIT SIGNAL */
- }
-
- return;
-}
-
-void
-Panner::remove (uint32_t which)
-{
- vector<StreamPanner*>::iterator i;
- for (i = _streampanners.begin(); i != _streampanners.end() && which; ++i, --which);
-
- if (i != _streampanners.end()) {
- delete *i;
- _streampanners.erase (i);
- }
-}
-
-void
-Panner::clear_panners ()
-{
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- delete *i;
- }
-
- _streampanners.clear ();
}
void
Panner::set_automation_style (AutoStyle style)
{
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- ((AutomationList*)(*i)->pan_control()->list().get())->set_automation_style (style);
- }
- _session.set_dirty ();
-}
+ _pannable->set_automation_style (style);
+}
void
Panner::set_automation_state (AutoState state)
{
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- ((AutomationList*)(*i)->pan_control()->list().get())->set_automation_state (state);
- }
- _session.set_dirty ();
-}
+ _pannable->set_automation_state (state);
+}
AutoState
Panner::automation_state () const
{
- if (!empty()) {
- return ((AutomationList*)_streampanners.front()->pan_control()->list().get())->automation_state ();
- } else {
- return Off;
- }
+ return _pannable->automation_state();
}
AutoStyle
Panner::automation_style () const
{
- if (!empty()) {
- return ((AutomationList*)_streampanners.front()->pan_control()->list().get())->automation_style ();
- } else {
- return Absolute;
- }
-}
-
-
-struct PanPlugins {
- string name;
- uint32_t nouts;
- StreamPanner* (*factory)(Panner&, Evoral::Parameter);
-};
-
-PanPlugins pan_plugins[] = {
- { EqualPowerStereoPanner::name, 2, EqualPowerStereoPanner::factory },
- { Multi2dPanner::name, 3, Multi2dPanner::factory },
- { string (""), 0, 0 }
-};
-
-XMLNode&
-Panner::get_state (void)
-{
- return state (true);
-}
-
-XMLNode&
-Panner::state (bool full)
-{
- XMLNode& node = Processor::state(full);
-
- node.add_property ("type", "panner");
-
- char buf[32];
-
- node.add_property (X_("linked"), (_linked ? "yes" : "no"));
- node.add_property (X_("link_direction"), enum_2_string (_link_direction));
- node.add_property (X_("bypassed"), (bypassed() ? "yes" : "no"));
-
- for (vector<Panner::Output>::iterator o = outputs.begin(); o != outputs.end(); ++o) {
- XMLNode* onode = new XMLNode (X_("Output"));
- snprintf (buf, sizeof (buf), "%.12g", (*o).x);
- onode->add_property (X_("x"), buf);
- snprintf (buf, sizeof (buf), "%.12g", (*o).y);
- onode->add_property (X_("y"), buf);
- node.add_child_nocopy (*onode);
- }
-
- for (vector<StreamPanner*>::const_iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- node.add_child_nocopy ((*i)->state (full));
- }
-
-
- return node;
-}
-
-int
-Panner::set_state (const XMLNode& node)
-{
- XMLNodeList nlist;
- XMLNodeConstIterator niter;
- const XMLProperty *prop;
- uint32_t i;
- uint32_t num_panners = 0;
- StreamPanner* sp;
- LocaleGuard lg (X_("POSIX"));
-
- clear_panners ();
-
- Processor::set_state(node);
-
- ChanCount ins = ChanCount::ZERO;
- ChanCount outs = ChanCount::ZERO;
-
- // XXX: this might not be necessary anymore
- outputs.clear ();
-
- if ((prop = node.property (X_("linked"))) != 0) {
- set_linked (prop->value() == "yes");
- }
-
-
- if ((prop = node.property (X_("bypassed"))) != 0) {
- set_bypassed (prop->value() == "yes");
- }
-
- if ((prop = node.property (X_("link_direction"))) != 0) {
- LinkDirection ld; /* here to provide type information */
- set_link_direction (LinkDirection (string_2_enum (prop->value(), ld)));
- }
-
- nlist = node.children();
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == X_("Output")) {
-
- float x, y;
-
- prop = (*niter)->property (X_("x"));
- sscanf (prop->value().c_str(), "%g", &x);
-
- prop = (*niter)->property (X_("y"));
- sscanf (prop->value().c_str(), "%g", &y);
-
- outputs.push_back (Output (x, y));
- }
- }
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- if ((*niter)->name() == X_("StreamPanner")) {
-
- if ((prop = (*niter)->property (X_("type")))) {
-
- for (i = 0; pan_plugins[i].factory; ++i) {
- if (prop->value() == pan_plugins[i].name) {
-
-
- /* note that we assume that all the stream panners
- are of the same type. pretty good
- assumption, but its still an assumption.
- */
-
- sp = pan_plugins[i].factory (*this, Evoral::Parameter(PanAutomation, 0, num_panners));
- num_panners++;
-
- if (sp->set_state (**niter) == 0) {
- _streampanners.push_back (sp);
- }
-
- break;
- }
- }
-
-
- if (!pan_plugins[i].factory) {
- error << string_compose (_("Unknown panner plugin \"%1\" found in pan state - ignored"),
- prop->value())
- << endmsg;
- }
-
- } else {
- error << _("panner plugin node has no type information!")
- << endmsg;
- return -1;
- }
-
- }
- }
-
- reset(num_panners, outputs.size());
- /* don't try to do old-school automation loading if it wasn't marked as existing */
-
- if ((prop = node.property (X_("automation")))) {
-
- /* automation path is relative */
-
- automation_path = Glib::build_filename(_session.automation_dir(), prop->value ());
- }
-
- return 0;
+ return _pannable->automation_style ();
}
bool
Panner::touching () const
{
- for (vector<StreamPanner*>::const_iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (((AutomationList*)(*i)->pan_control()->list().get())->touching ()) {
- return true;
- }
- }
-
- return false;
+ return _pannable->touching ();
}
-void
-Panner::set_position (float xpos, StreamPanner& orig)
+set<Evoral::Parameter>
+Panner::what_can_be_automated() const
{
- float xnow;
- float xdelta ;
- float xnew;
-
- orig.get_position (xnow);
- xdelta = xpos - xnow;
-
- if (_link_direction == SameDirection) {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, true);
- } else {
- (*i)->get_position (xnow);
- xnew = min (1.0f, xnow + xdelta);
- xnew = max (0.0f, xnew);
- (*i)->set_position (xnew, true);
- }
- }
-
- } else {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, true);
- } else {
- (*i)->get_position (xnow);
- xnew = min (1.0f, xnow - xdelta);
- xnew = max (0.0f, xnew);
- (*i)->set_position (xnew, true);
- }
- }
- }
+ return _pannable->what_can_be_automated ();
}
-void
-Panner::set_position (float xpos, float ypos, StreamPanner& orig)
+string
+Panner::describe_parameter (Evoral::Parameter p)
{
- float xnow, ynow;
- float xdelta, ydelta;
- float xnew, ynew;
-
- orig.get_position (xnow, ynow);
- xdelta = xpos - xnow;
- ydelta = ypos - ynow;
-
- if (_link_direction == SameDirection) {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, true);
- } else {
- (*i)->get_position (xnow, ynow);
-
- xnew = min (1.0f, xnow + xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow + ydelta);
- ynew = max (0.0f, ynew);
-
- (*i)->set_position (xnew, ynew, true);
- }
- }
-
- } else {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, true);
- } else {
- (*i)->get_position (xnow, ynow);
-
- xnew = min (1.0f, xnow - xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow - ydelta);
- ynew = max (0.0f, ynew);
-
- (*i)->set_position (xnew, ynew, true);
- }
- }
- }
+ return _pannable->describe_parameter (p);
}
-void
-Panner::set_position (float xpos, float ypos, float zpos, StreamPanner& orig)
+string
+Panner::value_as_string (boost::shared_ptr<const AutomationControl> ac) const
{
- float xnow, ynow, znow;
- float xdelta, ydelta, zdelta;
- float xnew, ynew, znew;
-
- orig.get_position (xnow, ynow, znow);
- xdelta = xpos - xnow;
- ydelta = ypos - ynow;
- zdelta = zpos - znow;
-
- if (_link_direction == SameDirection) {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, zpos, true);
- } else {
- (*i)->get_position (xnow, ynow, znow);
-
- xnew = min (1.0f, xnow + xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow + ydelta);
- ynew = max (0.0f, ynew);
-
- znew = min (1.0f, znow + zdelta);
- znew = max (0.0f, znew);
-
- (*i)->set_position (xnew, ynew, znew, true);
- }
- }
-
- } else {
-
- for (vector<StreamPanner*>::iterator i = _streampanners.begin(); i != _streampanners.end(); ++i) {
- if (*i == &orig) {
- (*i)->set_position (xpos, ypos, true);
- } else {
- (*i)->get_position (xnow, ynow, znow);
-
- xnew = min (1.0f, xnow - xdelta);
- xnew = max (0.0f, xnew);
-
- ynew = min (1.0f, ynow - ydelta);
- ynew = max (0.0f, ynew);
-
- znew = min (1.0f, znow + zdelta);
- znew = max (0.0f, znew);
-
- (*i)->set_position (xnew, ynew, znew, true);
- }
- }
- }
+ return _pannable->value_as_string (ac);
}
-void
-Panner::distribute_no_automation (BufferSet& inbufs, BufferSet& outbufs, nframes_t nframes, nframes_t offset, gain_t gain_coeff)
+int
+Panner::set_state (XMLNode const &, int)
{
- 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
- if (inbufs.count().n_audio() > 0) {
- 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
- if (inbufs.count().n_audio() > 0) {
- 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 (vector<StreamPanner*>::iterator pan = _streampanners.begin(); pan != _streampanners.end() && i != inbufs.audio_end(); ++pan, ++i) {
- (*pan)->distribute (*i, outbufs, gain_coeff, nframes);
- }
-}
-
-void
-Panner::run_out_of_place (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(_streampanners.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 (vector<StreamPanner*>::iterator pan = _streampanners.begin(); pan != _streampanners.end(); ++pan, ++i) {
- (*pan)->distribute_automated (*i, outbufs, start_frame, end_frame, nframes, _session.pan_automation_buffer());
- }
+ return 0;
}
-/* old school automation handling */
-
-/*
void
-Panner::set_name (string str)
+Panner::freeze ()
{
- automation_path = Glib::build_filename(_session.automation_dir(),
- _session.snap_name() + "-pan-" + legalize_for_path (str) + ".automation");
+ _frozen++;
}
-*/
-int
-Panner::load ()
+void
+Panner::thaw ()
{
- char line[128];
- uint32_t linecnt = 0;
- float version;
- vector<StreamPanner*>::iterator sp;
- LocaleGuard lg (X_("POSIX"));
-
- if (automation_path.length() == 0) {
- return 0;
+ if (_frozen > 0.0) {
+ _frozen--;
}
-
- 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 = _streampanners.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 == _streampanners.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