$Id$
*/
+#define __STDC_FORMAT_MACROS 1
+#include <inttypes.h>
+
#include <cmath>
#include <cerrno>
#include <fstream>
#include <unistd.h>
#include <float.h>
+#include <glibmm.h>
+
#include <pbd/error.h>
#include <pbd/failed_constructor.h>
-#include <pbd/basename.h>
#include <pbd/xml++.h>
#include <ardour/session.h>
#include <ardour/utils.h>
#include <ardour/mix.h>
+#include <ardour/buffer_set.h>
#include "i18n.h"
#include <pbd/mathfix.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 MIDI control values to a pan position
- others can be imagined. see Panner::set_midi_to_pan_function().
+/* this is a default mapper of control values to a pan position
+ others can be imagined.
*/
-static pan_t direct_midi_to_pan (double fract) {
+static pan_t direct_control_to_pan (double fract) {
return fract;
}
-static double direct_pan_to_midi (pan_t val) {
+static double direct_pan_to_control (pan_t val) {
return val;
}
StreamPanner::StreamPanner (Panner& p)
: parent (p),
- _midi_control (*this, (MIDI::Port*) 0)
+ _control (X_("panner"), *this)
{
_muted = false;
{
}
-StreamPanner::MIDIControl::MIDIControl (StreamPanner& s, MIDI::Port* port)
- : MIDI::Controllable (port, 0), sp (s), setting(false)
-{
- midi_to_pan = direct_midi_to_pan;
- pan_to_midi = direct_pan_to_midi;
- last_written = 0; /* XXX need a good out-of-bound-value */
-}
-
void
-StreamPanner::MIDIControl::set_value (float val)
+StreamPanner::PanControllable::set_value (float val)
{
- setting = true;
- sp.set_position (midi_to_pan (val));
- setting = false;
-}
-
-void
-StreamPanner::MIDIControl::send_feedback (pan_t value)
-{
-
- if (!setting && get_midi_feedback() && pan_to_midi) {
- MIDI::byte val = (MIDI::byte) (pan_to_midi (value) * 127.0f);
- MIDI::channel_t ch = 0;
- MIDI::eventType ev = MIDI::none;
- MIDI::byte additional = 0;
- MIDI::EventTwoBytes data;
-
- if (get_control_info (ch, ev, additional)) {
- data.controller_number = additional;
- data.value = val;
- last_written = val;
-
- sp.get_parent().session().send_midi_message (get_port(), ev, ch, data);
- }
-
- // send_midi_feedback (pan_to_midi (val));
- }
-
+ panner.set_position (direct_control_to_pan (val));
}
-MIDI::byte*
-StreamPanner::MIDIControl::write_feedback (MIDI::byte* buf, int32_t& bufsize, pan_t val, bool force)
+float
+StreamPanner::PanControllable::get_value (void) const
{
- if (get_midi_feedback() && pan_to_midi && bufsize > 2) {
- MIDI::channel_t ch = 0;
- MIDI::eventType ev = MIDI::none;
- MIDI::byte additional = 0;
- MIDI::byte pm;
- if (get_control_info (ch, ev, additional)) {
-
- pm = (MIDI::byte) (pan_to_midi (val) * 127.0);
-
- if (pm != last_written || force) {
- *buf++ = (0xF0 & ev) | (0xF & ch);
- *buf++ = additional; /* controller number */
- *buf++ = pm;
- last_written = pm;
- bufsize -= 3;
- }
- }
- }
-
- return buf;
+ float xpos;
+ panner.get_effective_position (xpos);
+ return direct_pan_to_control (xpos);
}
-
-void
-StreamPanner::reset_midi_control (MIDI::Port* port, bool on)
+bool
+StreamPanner::PanControllable::can_send_feedback () const
{
- MIDI::channel_t chn;
- MIDI::eventType ev;
- MIDI::byte extra;
+ AutoState astate = panner.get_parent().automation_state ();
- _midi_control.get_control_info (chn, ev, extra);
- if (!on) {
- chn = -1;
+ if ((astate == Play) || (astate == Touch && !panner.get_parent().touching())) {
+ return true;
}
- _midi_control.midi_rebind (port, chn);
+
+ return false;
}
void
x = xpos;
update ();
Changed ();
-
- if (parent.session().get_midi_feedback()) {
- _midi_control.send_feedback (x);
- }
+ _control.Changed ();
}
}
{
const XMLProperty* prop;
XMLNodeConstIterator iter;
- XMLNodeList midi_kids;
if ((prop = node.property (X_("muted")))) {
set_muted (prop->value() == "yes");
}
- midi_kids = node.children ("MIDI");
-
- for (iter = midi_kids.begin(); iter != midi_kids.end(); ++iter) {
-
- XMLNodeList kids;
- XMLNodeConstIterator miter;
- XMLNode* child;
-
- kids = (*iter)->children ();
-
- for (miter = kids.begin(); miter != kids.end(); ++miter) {
-
- child =* miter;
-
- if (child->name() == "pan") {
-
- MIDI::eventType ev = MIDI::on; /* initialize to keep gcc happy */
- MIDI::byte additional = 0; /* ditto */
- MIDI::channel_t chn = 0; /* ditto */
-
- if (get_midi_node_info (child, ev, chn, additional)) {
- _midi_control.set_control_type (chn, ev, additional);
- } else {
- error << _("MIDI pan control specification is incomplete, so it has been ignored") << endmsg;
- }
- }
- }
- }
-
-
return 0;
}
StreamPanner::add_state (XMLNode& node)
{
node.add_property (X_("muted"), (muted() ? "yes" : "no"));
-
- /* MIDI control */
-
- MIDI::channel_t chn;
- MIDI::eventType ev;
- MIDI::byte additional;
- XMLNode* midi_node = 0;
- XMLNode* child;
-
- if (_midi_control.get_control_info (chn, ev, additional)) {
-
- midi_node = node.add_child ("MIDI");
-
- child = midi_node->add_child ("pan");
- set_midi_node_info (child, ev, chn, additional);
- }
-
-}
-
-
-bool
-StreamPanner::get_midi_node_info (XMLNode * node, MIDI::eventType & ev, MIDI::channel_t & chan, MIDI::byte & additional)
-{
- bool ok = true;
- const XMLProperty* prop;
- int xx;
-
- if ((prop = node->property ("event")) != 0) {
- sscanf (prop->value().c_str(), "0x%x", &xx);
- ev = (MIDI::eventType) xx;
- } else {
- ok = false;
- }
-
- if (ok && ((prop = node->property ("channel")) != 0)) {
- sscanf (prop->value().c_str(), "%d", &xx);
- chan = (MIDI::channel_t) xx;
- } else {
- ok = false;
- }
-
- if (ok && ((prop = node->property ("additional")) != 0)) {
- sscanf (prop->value().c_str(), "0x%x", &xx);
- additional = (MIDI::byte) xx;
- }
-
- return ok;
-}
-
-bool
-StreamPanner::set_midi_node_info (XMLNode * node, MIDI::eventType ev, MIDI::channel_t chan, MIDI::byte additional)
-{
- char buf[32];
-
- snprintf (buf, sizeof(buf), "0x%x", ev);
- node->add_property ("event", buf);
- snprintf (buf, sizeof(buf), "%d", chan);
- node->add_property ("channel", buf);
- snprintf (buf, sizeof(buf), "0x%x", additional);
- node->add_property ("additional", buf);
-
- return true;
}
/*---------------------------------------------------------------------- */
}
void
-BaseStereoPanner::snapshot (jack_nframes_t now)
+BaseStereoPanner::snapshot (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)
+BaseStereoPanner::transport_stopped (nframes_t frame)
{
_automation.reposition_for_rt_add (frame);
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;
+ out << '\t' << (nframes_t) floor ((*i)->when) << ' ' << (*i)->value << endl;
if (!out) {
error << string_compose (_("error writing pan automation file (%s)"), strerror (errno)) << endmsg;
return -1;
_automation.clear ();
while (in.getline (line, sizeof (line), '\n')) {
- jack_nframes_t when;
+ nframes_t when;
double value;
++linecnt;
}
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().get(DataType::AUDIO) == 2);
+
pan_t delta;
Sample* dst;
pan_t pan;
if (_muted) {
return;
}
+
+ Sample* const src = srcbuf.data(nframes);
/* LEFT */
- dst = obufs[0];
+ dst = obufs.get_audio(0).data(nframes);
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));
/* RIGHT */
- dst = obufs[1];
+ dst = obufs.get_audio(1).data(nframes);
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));
}
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().get(DataType::AUDIO) == 2);
+
Sample* dst;
pan_t* pbuf;
+ Sample* const src = srcbuf.data(nframes);
/* fetch positional data */
if (!_automation.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 */
- effective_x = buffers[0][nframes-1];
+ if (nframes > 0)
+ effective_x = buffers[0][nframes-1];
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(nframes);
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(nframes);
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*
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) {
root->add_property (X_("automation-style"), buf);
StreamPanner::add_state (*root);
+ root->add_child_nocopy (_control.get_state ());
return *root;
}
}
StreamPanner::set_state (node);
+
+ for (XMLNodeConstIterator iter = node.children().begin(); iter != node.children().end(); ++iter) {
+ if ((*iter)->name() == X_("panner")) {
+ _control.set_state (**iter);
+ parent.session().add_controllable (&_control);
+ }
+ }
return 0;
}
}
void
-Multi2dPanner::snapshot (jack_nframes_t now)
+Multi2dPanner::snapshot (nframes_t now)
{
// how?
}
void
-Multi2dPanner::transport_stopped (jack_nframes_t frame)
+Multi2dPanner::transport_stopped (nframes_t frame)
{
//what?
}
}
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(nframes);
for (n = 0, o = parent.outputs.begin(); o != parent.outputs.end(); ++o, ++n) {
- dst = obufs[n];
+ dst = obufs.get_audio(n).data(nframes);
#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));
if (pan != 0.0f) {
- for (jack_nframes_t n = 0; n < nframes; ++n) {
+ for (nframes_t n = 0; n < nframes; ++n) {
dst[n] += src[n] * pan;
}
} else {
- for (jack_nframes_t n = 0; n < nframes; ++n) {
+ for (nframes_t n = 0; n < nframes; ++n) {
dst[n] += src[n];
}
}
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) {
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);
_linked = false;
_link_direction = SameDirection;
_bypassed = false;
-
- reset_midi_control (_session.mmc_port(), _session.get_mmc_control());
}
Panner::~Panner ()
(*x)->update ();
}
- reset_midi_control (_session.mmc_port(), _session.get_mmc_control());
-
/* force hard left/right panning in a common case: 2in/2out
*/
}
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);
}
void
-Panner::snapshot (jack_nframes_t now)
+Panner::snapshot (nframes_t now)
{
for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
(*i)->snapshot (now);
ofstream out (automation_path.c_str());
if (!out) {
- error << string_compose (_("cannot open pan automation file \"%1\" for saving (%s)"), automation_path, strerror (errno))
+ error << string_compose (_("cannot open pan automation file \"%1\" for saving (%2)"), automation_path, strerror (errno))
<< endmsg;
return -1;
}
PanPlugins pan_plugins[] = {
{ EqualPowerStereoPanner::name, 2, EqualPowerStereoPanner::factory },
{ Multi2dPanner::name, 3, Multi2dPanner::factory },
- { string (""), 0 }
+ { string (""), 0, 0 }
};
XMLNode&
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"), PBD::basename (automation_path));
+ root->add_property (X_("automation"), Glib::path_get_basename (automation_path));
}
}
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));
}
return false;
}
-void
-Panner::reset_midi_control (MIDI::Port* port, bool on)
-{
- for (vector<StreamPanner*>::const_iterator i = begin(); i != end(); ++i) {
- (*i)->reset_midi_control (port, on);
- }
-}
-
void
Panner::set_position (float xpos, StreamPanner& orig)
{
}
void
-Panner::send_all_midi_feedback ()
+Panner::distribute_no_automation (BufferSet& inbufs, BufferSet& outbufs, nframes_t nframes, nframes_t offset, gain_t gain_coeff)
{
- if (_session.get_midi_feedback()) {
- float xpos;
-
- // do feedback for all panners
- for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->get_effective_position (xpos);
+ if (outbufs.count().get(DataType::AUDIO) == 0) {
+ // Don't want to lose audio...
+ assert(inbufs.count().get(DataType::AUDIO) == 0);
+ return;
+ }
+
+ // We shouldn't be called in the first place...
+ assert(!bypassed());
+ assert(!empty());
+
+
+ if (outbufs.count().get(DataType::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);
+ }
- (*i)->midi_control().send_feedback (xpos);
}
-
+
+ return;
+ }
+
+ // More than 1 output, we should have 1 panner for each input
+ assert(size() == inbufs.count().get(DataType::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 (*i, outbufs, gain_coeff, nframes);
}
}
-MIDI::byte*
-Panner::write_midi_feedback (MIDI::byte* buf, int32_t& bufsize)
-{
- AutoState astate = automation_state ();
+void
+Panner::distribute (BufferSet& inbufs, BufferSet& outbufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
+{
+ if (outbufs.count().get(DataType::AUDIO) == 0) {
+ // Failing to deliver audio we were asked to deliver is a bug
+ assert(inbufs.count().get(DataType::AUDIO) == 0);
+ return;
+ }
- if (_session.get_midi_feedback() &&
- (astate == Play || (astate == Touch && !touching()))) {
-
- float xpos;
-
- // do feedback for all panners
- for (vector<StreamPanner*>::iterator i = begin(); i != end(); ++i) {
- (*i)->get_effective_position (xpos);
-
- buf = (*i)->midi_control().write_feedback (buf, bufsize, xpos);
+ // 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;
}
- return buf;
+ // Otherwise.. let the automation flow, baby
+
+ if (outbufs.count().get(DataType::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().get(DataType::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());
+ }
}
projects / ardour.git / blobdiff