--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "clip.h"
+#include "confirmsave.h"
+#include "bchash.h"
+#include "bcsignals.h"
+#include "errorbox.h"
+#include "filexml.h"
+#include "language.h"
+#include "reverb.h"
+#include "reverbwindow.h"
+#include "samples.h"
+#include "units.h"
+
+#include "vframe.h"
+
+#include <math.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+
+
+PluginClient* new_plugin(PluginServer *server)
+{
+ return new Reverb(server);
+}
+
+
+
+Reverb::Reverb(PluginServer *server)
+ : PluginAClient(server)
+{
+ srand(time(0));
+ redo_buffers = 1; // set to redo buffers before the first render
+ dsp_in_length = 0;
+ ref_channels = 0;
+ ref_offsets = 0;
+ ref_levels = 0;
+ ref_lowpass = 0;
+ dsp_in = 0;
+ lowpass_in1 = 0;
+ lowpass_in2 = 0;
+ initialized = 0;
+
+}
+
+Reverb::~Reverb()
+{
+
+
+ if(initialized)
+ {
+ for(int i = 0; i < total_in_buffers; i++)
+ {
+ delete [] dsp_in[i];
+ delete [] ref_channels[i];
+ delete [] ref_offsets[i];
+ delete [] ref_levels[i];
+ delete [] ref_lowpass[i];
+ delete [] lowpass_in1[i];
+ delete [] lowpass_in2[i];
+ }
+
+ delete [] dsp_in;
+ delete [] ref_channels;
+ delete [] ref_offsets;
+ delete [] ref_levels;
+ delete [] ref_lowpass;
+ delete [] lowpass_in1;
+ delete [] lowpass_in2;
+
+ for(int i = 0; i < (smp + 1); i++)
+ {
+ delete engine[i];
+ }
+ delete [] engine;
+ initialized = 0;
+ }
+}
+
+const char* Reverb::plugin_title() { return _("Reverb"); }
+int Reverb::is_realtime() { return 1; }
+int Reverb::is_multichannel() { return 1; }
+int Reverb::is_synthesis() { return 1; }
+
+int Reverb::process_realtime(int64_t size,
+ Samples **input_ptr,
+ Samples **output_ptr)
+{
+ int64_t new_dsp_length, i, j;
+ main_in = new double*[total_in_buffers];
+ main_out = new double*[total_in_buffers];
+
+ for(i = 0; i < total_in_buffers; i++)
+ {
+ main_in[i] = input_ptr[i]->get_data();
+ main_out[i] = output_ptr[i]->get_data();
+ }
+
+//printf("Reverb::process_realtime 1\n");
+ redo_buffers |= load_configuration();
+
+//printf("Reverb::process_realtime 1\n");
+ if(!config.ref_total)
+ {
+ delete [] main_in;
+ delete [] main_out;
+ return 0;
+ }
+
+
+ if(!initialized)
+ {
+ dsp_in = new double*[total_in_buffers];
+ ref_channels = new int64_t*[total_in_buffers];
+ ref_offsets = new int64_t*[total_in_buffers];
+ ref_levels = new double*[total_in_buffers];
+ ref_lowpass = new int64_t*[total_in_buffers];
+ lowpass_in1 = new double*[total_in_buffers];
+ lowpass_in2 = new double*[total_in_buffers];
+
+
+
+ for(i = 0; i < total_in_buffers; i++)
+ {
+ dsp_in[i] = new double[1];
+ ref_channels[i] = new int64_t[1];
+ ref_offsets[i] = new int64_t[1];
+ ref_levels[i] = new double[1];
+ ref_lowpass[i] = new int64_t[1];
+ lowpass_in1[i] = new double[1];
+ lowpass_in2[i] = new double[1];
+ }
+
+ engine = new ReverbEngine*[(smp + 1)];
+ for(i = 0; i < (smp + 1); i++)
+ {
+ engine[i] = new ReverbEngine(this);
+//printf("Reverb::start_realtime %d\n", Thread::calculate_realtime());
+// Realtime priority moved to sound driver
+// engine[i]->set_realtime(realtime_priority);
+ engine[i]->start();
+ }
+ initialized = 1;
+ redo_buffers = 1;
+ }
+
+ new_dsp_length = size +
+ ((int64_t)config.delay_init + config.ref_length) * project_sample_rate / 1000 + 1;
+
+ if(redo_buffers || new_dsp_length != dsp_in_length)
+ {
+ for(i = 0; i < total_in_buffers; i++)
+ {
+ double *old_dsp = dsp_in[i];
+ double *new_dsp = new double[new_dsp_length];
+ for(j = 0; j < dsp_in_length && j < new_dsp_length; j++)
+ new_dsp[j] = old_dsp[j];
+
+
+ for( ; j < new_dsp_length; j++) new_dsp[j] = 0;
+ delete [] old_dsp;
+ dsp_in[i] = new_dsp;
+ }
+
+ dsp_in_length = new_dsp_length;
+ redo_buffers = 1;
+ }
+//printf("Reverb::process_realtime 1\n");
+
+ if(redo_buffers)
+ {
+ for(i = 0; i < total_in_buffers; i++)
+ {
+ delete [] ref_channels[i];
+ delete [] ref_offsets[i];
+ delete [] ref_lowpass[i];
+ delete [] ref_levels[i];
+ delete [] lowpass_in1[i];
+ delete [] lowpass_in2[i];
+
+ ref_channels[i] = new int64_t[config.ref_total + 1];
+ ref_offsets[i] = new int64_t[config.ref_total + 1];
+ ref_lowpass[i] = new int64_t[config.ref_total + 1];
+ ref_levels[i] = new double[config.ref_total + 1];
+ lowpass_in1[i] = new double[config.ref_total + 1];
+ lowpass_in2[i] = new double[config.ref_total + 1];
+
+// set channels
+ ref_channels[i][0] = i; // primary noise
+ ref_channels[i][1] = i; // first reflection
+// set offsets
+ ref_offsets[i][0] = 0;
+ ref_offsets[i][1] = config.delay_init * project_sample_rate / 1000;
+// set levels
+ ref_levels[i][0] = db.fromdb(config.level_init);
+ ref_levels[i][1] = db.fromdb(config.ref_level1);
+// set lowpass
+ ref_lowpass[i][0] = -1; // ignore first noise
+ ref_lowpass[i][1] = config.lowpass1;
+ lowpass_in1[i][0] = 0;
+ lowpass_in2[i][0] = 0;
+ lowpass_in1[i][1] = 0;
+ lowpass_in2[i][1] = 0;
+
+ int64_t ref_division = config.ref_length * project_sample_rate / 1000 / (config.ref_total + 1);
+ for(j = 2; j < config.ref_total + 1; j++)
+ {
+// set random channels for remaining reflections
+ ref_channels[i][j] = rand() % total_in_buffers;
+
+// set random offsets after first reflection
+ ref_offsets[i][j] = ref_offsets[i][1];
+ if( ref_division > 0 )
+ ref_offsets[i][j] += ref_division * j - (rand() % ref_division) / 2;
+
+// set changing levels
+ ref_levels[i][j] = db.fromdb(config.ref_level1 + (config.ref_level2 - config.ref_level1) / (config.ref_total - 1) * (j - 2));
+ //ref_levels[i][j] /= 100;
+
+// set changing lowpass as linear
+ ref_lowpass[i][j] = (int64_t)(config.lowpass1 + (double)(config.lowpass2 - config.lowpass1) / (config.ref_total - 1) * (j - 2));
+ lowpass_in1[i][j] = 0;
+ lowpass_in2[i][j] = 0;
+ }
+ }
+
+ redo_buffers = 0;
+ }
+//printf("Reverb::process_realtime 1\n");
+
+ for(i = 0; i < total_in_buffers; )
+ {
+ for(j = 0; j < (smp + 1) && (i + j) < total_in_buffers; j++)
+ {
+ engine[j]->process_overlays(i + j, size);
+ }
+
+ for(j = 0; j < (smp + 1) && i < total_in_buffers; j++, i++)
+ {
+ engine[j]->wait_process_overlays();
+ }
+ }
+//printf("Reverb::process_realtime 2 %d %d\n", total_in_buffers, size);
+
+ for(i = 0; i < total_in_buffers; i++)
+ {
+ double *current_out = main_out[i];
+ double *current_in = dsp_in[i];
+
+ for(j = 0; j < size; j++) current_out[j] = current_in[j];
+
+ int64_t k;
+ for(k = 0; j < dsp_in_length; j++, k++) current_in[k] = current_in[j];
+
+ for(; k < dsp_in_length; k++) current_in[k] = 0;
+ }
+//printf("Reverb::process_realtime 2 %d %d\n", total_in_buffers, size);
+
+
+ delete [] main_in;
+ delete [] main_out;
+ return 0;
+}
+
+
+NEW_WINDOW_MACRO(Reverb, ReverbWindow)
+
+
+LOAD_CONFIGURATION_MACRO(Reverb, ReverbConfig)
+
+
+void Reverb::save_data(KeyFrame *keyframe)
+{
+//printf("Reverb::save_data 1\n");
+ FileXML output;
+//printf("Reverb::save_data 1\n");
+
+// cause xml file to store data directly in text
+ output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
+//printf("Reverb::save_data 1\n");
+
+ output.tag.set_title("REVERB");
+ output.tag.set_property("LEVELINIT", config.level_init);
+ output.tag.set_property("DELAY_INIT", config.delay_init);
+ output.tag.set_property("REF_LEVEL1", config.ref_level1);
+ output.tag.set_property("REF_LEVEL2", config.ref_level2);
+ output.tag.set_property("REF_TOTAL", config.ref_total);
+//printf("Reverb::save_data 1\n");
+ output.tag.set_property("REF_LENGTH", config.ref_length);
+ output.tag.set_property("LOWPASS1", config.lowpass1);
+ output.tag.set_property("LOWPASS2", config.lowpass2);
+//printf("Reverb::save_data config.ref_level2 %f\n", config.ref_level2);
+ output.append_tag();
+ output.tag.set_title("/REVERB");
+ output.append_tag();
+ output.append_newline();
+ output.terminate_string();
+//printf("Reverb::save_data 2\n");
+}
+
+void Reverb::read_data(KeyFrame *keyframe)
+{
+ FileXML input;
+// cause xml file to read directly from text
+ input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
+ int result = 0;
+
+ result = input.read_tag();
+
+ if(!result)
+ {
+ if(input.tag.title_is("REVERB"))
+ {
+ config.level_init = input.tag.get_property("LEVELINIT", config.level_init);
+ config.delay_init = input.tag.get_property("DELAY_INIT", config.delay_init);
+ config.ref_level1 = input.tag.get_property("REF_LEVEL1", config.ref_level1);
+ config.ref_level2 = input.tag.get_property("REF_LEVEL2", config.ref_level2);
+ config.ref_total = input.tag.get_property("REF_TOTAL", config.ref_total);
+ config.ref_length = input.tag.get_property("REF_LENGTH", config.ref_length);
+ config.lowpass1 = input.tag.get_property("LOWPASS1", config.lowpass1);
+ config.lowpass2 = input.tag.get_property("LOWPASS2", config.lowpass2);
+ }
+ }
+
+ config.boundaries();
+}
+
+void Reverb::update_gui()
+{
+ if(thread)
+ {
+ thread->window->lock_window();
+ ((ReverbWindow*)thread->window)->level_init->update(config.level_init);
+ ((ReverbWindow*)thread->window)->delay_init->update(config.delay_init);
+ ((ReverbWindow*)thread->window)->ref_level1->update(config.ref_level1);
+ ((ReverbWindow*)thread->window)->ref_level2->update(config.ref_level2);
+ ((ReverbWindow*)thread->window)->ref_total->update(config.ref_total);
+ ((ReverbWindow*)thread->window)->ref_length->update(config.ref_length);
+ ((ReverbWindow*)thread->window)->lowpass1->update(config.lowpass1);
+ ((ReverbWindow*)thread->window)->lowpass2->update(config.lowpass2);
+ thread->window->unlock_window();
+ }
+}
+
+
+
+
+int Reverb::load_from_file(char *path)
+{
+ int result = 0;
+ int length;
+ char string[1024];
+
+ FILE *in = fopen(path, "rb");
+ if( in )
+ {
+ fseek(in, 0, SEEK_END);
+ length = ftell(in);
+ fseek(in, 0, SEEK_SET);
+ (void)fread(string, length, 1, in);
+ fclose(in);
+// read_data(string);
+ }
+ else
+ {
+ perror("fopen:");
+// failed
+ ErrorBox errorbox("");
+ char string[1024];
+ sprintf(string, _("Couldn't open %s."), path);
+ errorbox.create_objects(string);
+ errorbox.run_window();
+ result = 1;
+ }
+
+ return result;
+}
+
+int Reverb::save_to_file(char *path)
+{
+ int result = 0;
+ char string[1024];
+
+ {
+// ConfirmSave confirm;
+// result = confirm.test_file("", path);
+ }
+
+ if(!result)
+ {
+ FILE *out = fopen(path, "wb");
+ if( out )
+ {
+// save_data(string);
+ fwrite(string, strlen(string), 1, out);
+ fclose(out);
+ }
+ else
+ {
+ result = 1;
+// failed
+ ErrorBox errorbox("");
+ char string[1024];
+ sprintf(string, _("Couldn't save %s."), path);
+ errorbox.create_objects(string);
+ errorbox.run_window();
+ result = 1;
+ }
+ }
+
+ return result;
+}
+
+ReverbEngine::ReverbEngine(Reverb *plugin)
+ : Thread(1, 0, 0)
+{
+ this->plugin = plugin;
+ completed = 0;
+ input_lock.lock();
+ output_lock.lock();
+}
+
+ReverbEngine::~ReverbEngine()
+{
+ completed = 1;
+ input_lock.unlock();
+ join();
+}
+
+int ReverbEngine::process_overlays(int output_buffer, int64_t size)
+{
+ this->output_buffer = output_buffer;
+ this->size = size;
+ input_lock.unlock();
+ return 0;
+}
+
+int ReverbEngine::wait_process_overlays()
+{
+ output_lock.lock();
+ return 0;
+}
+
+int ReverbEngine::process_overlay(double *in, double *out, double &out1, double &out2, double level, int64_t lowpass, int64_t samplerate, int64_t size)
+{
+// Modern niquist frequency is 44khz but pot limit is 20khz so can't use
+// niquist
+ if(lowpass == -1 || lowpass >= 20000)
+ {
+// no lowpass filter
+ for(int i = 0; i < size; i++) out[i] += in[i] * level;
+ }
+ else
+ {
+ double coef = 0.25 * 2.0 * M_PI * (double)lowpass / (double)plugin->project_sample_rate;
+ double a = coef * 0.25;
+ double b = coef * 0.50;
+
+ for(int i = 0; i < size; i++)
+ {
+ out2 += a * (3 * out1 + in[i] - out2);
+ out2 += b * (out1 + in[i] - out2);
+ out2 += a * (out1 + 3 * in[i] - out2);
+ out2 += coef * (in[i] - out2);
+ out1 = in[i];
+ out[i] += out2 * level;
+ }
+ }
+ return 0;
+}
+
+void ReverbEngine::run()
+{
+ int j, i;
+//printf("ReverbEngine::run 1 %d\n", calculate_realtime());
+ while(1)
+ {
+ input_lock.lock();
+ if(completed) return;
+
+// Process reverb
+ for(i = 0; i < plugin->total_in_buffers; i++)
+ {
+ for(j = 0; j < plugin->config.ref_total + 1; j++)
+ {
+ if(plugin->ref_channels[i][j] == output_buffer)
+ process_overlay(plugin->main_in[i],
+ &(plugin->dsp_in[plugin->ref_channels[i][j]][plugin->ref_offsets[i][j]]),
+ plugin->lowpass_in1[i][j],
+ plugin->lowpass_in2[i][j],
+ plugin->ref_levels[i][j],
+ plugin->ref_lowpass[i][j],
+ plugin->project_sample_rate,
+ size);
+ }
+ }
+
+ output_lock.unlock();
+ }
+}
+
+
+
+
+
+
+
+ReverbConfig::ReverbConfig()
+{
+ level_init = 0;
+ delay_init = 0;
+ ref_level1 = -20;
+ ref_level2 = INFINITYGAIN;
+ ref_total = 100;
+ ref_length = 600;
+ lowpass1 = Freq::tofreq(TOTALFREQS);
+ lowpass2 = Freq::tofreq(TOTALFREQS);
+
+}
+
+int ReverbConfig::equivalent(ReverbConfig &that)
+{
+ return (EQUIV(level_init, that.level_init) &&
+ delay_init == that.delay_init &&
+ EQUIV(ref_level1, that.ref_level1) &&
+ EQUIV(ref_level2, that.ref_level2) &&
+ ref_total == that.ref_total &&
+ ref_length == that.ref_length &&
+ lowpass1 == that.lowpass1 &&
+ lowpass2 == that.lowpass2);
+}
+
+void ReverbConfig::copy_from(ReverbConfig &that)
+{
+ level_init = that.level_init;
+ delay_init = that.delay_init;
+ ref_level1 = that.ref_level1;
+ ref_level2 = that.ref_level2;
+ ref_total = that.ref_total;
+ ref_length = that.ref_length;
+ lowpass1 = that.lowpass1;
+ lowpass2 = that.lowpass2;
+}
+
+void ReverbConfig::interpolate(ReverbConfig &prev,
+ ReverbConfig &next,
+ int64_t prev_frame,
+ int64_t next_frame,
+ int64_t current_frame)
+{
+ level_init = prev.level_init;
+ delay_init = prev.delay_init;
+ ref_level1 = prev.ref_level1;
+ ref_level2 = prev.ref_level2;
+ ref_total = prev.ref_total;
+ ref_length = prev.ref_length;
+ lowpass1 = prev.lowpass1;
+ lowpass2 = prev.lowpass2;
+}
+
+void ReverbConfig::boundaries()
+{
+
+ CLAMP(level_init, INFINITYGAIN, 0);
+ CLAMP(delay_init, 0, MAX_DELAY_INIT);
+ CLAMP(ref_level1, INFINITYGAIN, 0);
+ CLAMP(ref_level2, INFINITYGAIN, 0);
+ CLAMP(ref_total, MIN_REFLECTIONS, MAX_REFLECTIONS);
+ CLAMP(ref_length, 0, MAX_REFLENGTH);
+ CLAMP(lowpass1, 0, Freq::tofreq(TOTALFREQS));
+ CLAMP(lowpass2, 0, Freq::tofreq(TOTALFREQS));
+}
+
+void ReverbConfig::dump()
+{
+ printf("ReverbConfig::dump %f %jd %f %f %jd %jd %jd %jd\n",
+ level_init, delay_init, ref_level1, ref_level2,
+ ref_total, ref_length, lowpass1, lowpass2);
+}
+
+
projects / goodguy / history.git / blobdiff