+++ /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 "format.inc"
-#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];
- 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);
-}
-
-
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