+++ /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 "bcdisplayinfo.h"
-#include "clip.h"
-#include "bchash.h"
-#include "delayaudio.h"
-#include "filexml.h"
-#include "language.h"
-#include "samples.h"
-#include "vframe.h"
-
-#include <string.h>
-
-
-
-PluginClient* new_plugin(PluginServer *server)
-{
- return new DelayAudio(server);
-}
-
-
-DelayAudio::DelayAudio(PluginServer *server)
- : PluginAClient(server)
-{
- reset();
-}
-
-DelayAudio::~DelayAudio()
-{
-
-
- if(buffer) delete buffer;
-}
-
-
-
-NEW_WINDOW_MACRO(DelayAudio, DelayAudioWindow)
-
-const char* DelayAudio::plugin_title() { return _("Delay audio"); }
-int DelayAudio::is_realtime() { return 1; }
-
-
-void DelayAudio::reset()
-{
- need_reconfigure = 1;
- buffer = 0;
-}
-
-int DelayAudio::load_configuration()
-{
- KeyFrame *prev_keyframe;
- prev_keyframe = get_prev_keyframe(get_source_position());
-
- DelayAudioConfig old_config;
- old_config.copy_from(config);
- read_data(prev_keyframe);
-
- if(!old_config.equivalent(config))
- {
-// Reconfigure
- need_reconfigure = 1;
- return 1;
- }
- return 0;
-}
-
-
-void DelayAudio::read_data(KeyFrame *keyframe)
-{
- FileXML input;
- input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
-
- int result = 0;
- while(!result)
- {
- result = input.read_tag();
-
- if(!result)
- {
- if(input.tag.title_is("DELAYAUDIO"))
- {
- config.length = input.tag.get_property("LENGTH", (double)config.length);
- }
- }
- }
-}
-
-
-void DelayAudio::save_data(KeyFrame *keyframe)
-{
- FileXML output;
- output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
-
- output.tag.set_title("DELAYAUDIO");
- output.tag.set_property("LENGTH", (double)config.length);
- output.append_tag();
- output.tag.set_title("/DELAYAUDIO");
- output.append_tag();
- output.append_newline();
- output.terminate_string();
-}
-
-void DelayAudio::reconfigure()
-{
- input_start = (int64_t)(config.length * PluginAClient::project_sample_rate + 0.5);
- int64_t new_allocation = input_start + PluginClient::in_buffer_size;
- Samples *new_buffer = new Samples(new_allocation);
- bzero(new_buffer->get_data(), sizeof(double) * new_allocation);
-
-// printf("DelayAudio::reconfigure %f %d %d %d\n",
-// config.length,
-// PluginAClient::project_sample_rate,
-// PluginClient::in_buffer_size,
-// new_allocation);
-//
-
-
- if(buffer)
- {
- int size = MIN(new_allocation, allocation);
-
- memcpy(new_buffer->get_data(),
- buffer->get_data(),
- (size - PluginClient::in_buffer_size) * sizeof(double));
- delete buffer;
- }
-
- allocation = new_allocation;
- buffer = new_buffer;
- allocation = new_allocation;
- need_reconfigure = 0;
-}
-
-int DelayAudio::process_realtime(int64_t size, Samples *input_ptr, Samples *output_ptr)
-{
-
- load_configuration();
- if(need_reconfigure) reconfigure();
-
-// printf("DelayAudio::process_realtime %d %d\n",
-// input_start, size);
-
-
-
- double *buffer_samples = buffer->get_data();
- double *output_samples = output_ptr->get_data();
- double *input_samples = input_ptr->get_data();
- memcpy(buffer_samples + input_start, input_samples, size * sizeof(double));
- memcpy(output_samples, buffer_samples, size * sizeof(double));
-
- for(int i = size, j = 0; i < allocation; i++, j++)
- {
- buffer_samples[j] = buffer_samples[i];
- }
-
- return 0;
-}
-
-
-
-
-void DelayAudio::update_gui()
-{
- if(thread)
- {
- load_configuration();
- ((DelayAudioWindow*)thread->window)->lock_window();
- ((DelayAudioWindow*)thread->window)->update_gui();
- ((DelayAudioWindow*)thread->window)->unlock_window();
- }
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-DelayAudioWindow::DelayAudioWindow(DelayAudio *plugin)
- : PluginClientWindow(plugin,
- 200,
- 80,
- 200,
- 80,
- 0)
-{
- this->plugin = plugin;
-}
-
-DelayAudioWindow::~DelayAudioWindow()
-{
-}
-
-void DelayAudioWindow::create_objects()
-{
- add_subwindow(new BC_Title(10, 10, _("Delay seconds:")));
- length = new DelayAudioTextBox(
- plugin,
- this,
- 10,
- 40);
- length->create_objects();
- update_gui();
- show_window();
-}
-
-void DelayAudioWindow::update_gui()
-{
- char string[BCTEXTLEN];
- sprintf(string, "%.04f", plugin->config.length);
- length->update(string);
-}
-
-
-
-
-
-
-
-
-
-
-
-
-DelayAudioTextBox::DelayAudioTextBox(
- DelayAudio *plugin,
- DelayAudioWindow *window,
- int x,
- int y)
- : BC_TumbleTextBox(window,
- (float)plugin->config.length,
- (float)0,
- (float)10,
- x,
- y,
- 100)
-{
- this->plugin = plugin;
- set_increment(0.01);
-}
-
-DelayAudioTextBox::~DelayAudioTextBox()
-{
-}
-
-int DelayAudioTextBox::handle_event()
-{
- plugin->config.length = atof(get_text());
- if(plugin->config.length < 0) plugin->config.length = 0;
- plugin->send_configure_change();
- return 1;
-}
-
-
-
-
-
-
-
-
-DelayAudioConfig::DelayAudioConfig()
-{
- length = 1;
-}
-
-int DelayAudioConfig::equivalent(DelayAudioConfig &that)
-{
- return(EQUIV(this->length, that.length));
-}
-
-void DelayAudioConfig::copy_from(DelayAudioConfig &that)
-{
- this->length = that.length;
-}
-
-
-
-
-
projects / goodguy / history.git / blobdiff