--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2011 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 "bchash.h"
+#include "filexml.h"
+#include "language.h"
+#include "theme.h"
+#include "../timestretch/timestretchengine.h"
+#include "timestretchrt.h"
+#include "transportque.h"
+
+#include <string.h>
+
+
+
+
+
+
+
+REGISTER_PLUGIN(TimeStretchRT);
+
+
+
+TimeStretchRTConfig::TimeStretchRTConfig()
+{
+ scale = 1;
+ size = 40;
+}
+
+
+int TimeStretchRTConfig::equivalent(TimeStretchRTConfig &src)
+{
+ return fabs(scale - src.scale) < 0.0001 && size == src.size;
+}
+
+void TimeStretchRTConfig::copy_from(TimeStretchRTConfig &src)
+{
+ this->scale = src.scale;
+ this->size = src.size;
+}
+
+void TimeStretchRTConfig::interpolate(TimeStretchRTConfig &prev,
+ TimeStretchRTConfig &next,
+ int64_t prev_frame,
+ int64_t next_frame,
+ int64_t current_frame)
+{
+ this->scale = prev.scale;
+ this->size = prev.size;
+ boundaries();
+}
+
+void TimeStretchRTConfig::boundaries()
+{
+ if(fabs(scale) < 0.01) scale = 0.01;
+ if(fabs(scale) > 100) scale = 100;
+ if(size < 10) size = 10;
+ if(size > 1000) size = 1000;
+}
+
+
+
+
+TimeStretchRTWindow::TimeStretchRTWindow(TimeStretchRT *plugin)
+ : PluginClientWindow(plugin,
+ 210,
+ 160,
+ 200,
+ 160,
+ 0)
+{
+ this->plugin = plugin;
+}
+
+TimeStretchRTWindow::~TimeStretchRTWindow()
+{
+}
+
+void TimeStretchRTWindow::create_objects()
+{
+ int x = 10, y = 10;
+
+ BC_Title *title = 0;
+ add_subwindow(title = new BC_Title(x, y, _("Fraction of original speed:")));
+ y += title->get_h() + plugin->get_theme()->widget_border;
+ scale = new TimeStretchRTScale(this,
+ plugin,
+ x,
+ y);
+ scale->create_objects();
+
+ y += scale->get_h() + plugin->get_theme()->widget_border;
+ add_subwindow(title = new BC_Title(x, y, _("Window size (ms):")));
+ y += title->get_h() + plugin->get_theme()->widget_border;
+ size = new TimeStretchRTSize(this,
+ plugin,
+ x,
+ y);
+ size->create_objects();
+
+ show_window();
+}
+
+
+
+
+
+
+TimeStretchRTScale::TimeStretchRTScale(TimeStretchRTWindow *window,
+ TimeStretchRT *plugin,
+ int x,
+ int y)
+ : BC_TumbleTextBox(window,
+ (float)(1.0 / plugin->config.scale),
+ (float)0.0001,
+ (float)1000,
+ x,
+ y,
+ 100)
+{
+ this->plugin = plugin;
+ set_increment(0.01);
+}
+
+int TimeStretchRTScale::handle_event()
+{
+ plugin->config.scale = 1.0 / atof(get_text());
+ plugin->send_configure_change();
+ return 1;
+}
+
+
+
+
+TimeStretchRTSize::TimeStretchRTSize(TimeStretchRTWindow *window,
+ TimeStretchRT *plugin,
+ int x,
+ int y)
+ : BC_TumbleTextBox(window,
+ plugin->config.size,
+ 10,
+ 1000,
+ x,
+ y,
+ 100)
+{
+ this->plugin = plugin;
+ set_increment(10);
+}
+
+int TimeStretchRTSize::handle_event()
+{
+ plugin->config.size = atoi(get_text());
+ plugin->send_configure_change();
+ return 1;
+}
+
+
+
+
+
+
+
+
+TimeStretchRT::TimeStretchRT(PluginServer *server)
+ : PluginAClient(server)
+{
+ need_reconfigure = 1;
+ dest_start = -1;
+ source_start = -1;
+ engine = 0;
+}
+
+
+TimeStretchRT::~TimeStretchRT()
+{
+ delete engine;
+}
+
+const char* TimeStretchRT::plugin_title() { return _("Time Stretch RT"); }
+int TimeStretchRT::is_realtime() { return 1; }
+int TimeStretchRT::is_synthesis() { return 1; }
+
+
+NEW_WINDOW_MACRO(TimeStretchRT, TimeStretchRTWindow)
+
+LOAD_CONFIGURATION_MACRO(TimeStretchRT, TimeStretchRTConfig)
+
+
+int TimeStretchRT::process_buffer(int64_t size,
+ Samples *buffer,
+ int64_t start_position,
+ int sample_rate)
+{
+ need_reconfigure = load_configuration();
+
+ if(!engine) engine = new TimeStretchEngine(config.scale,
+ sample_rate,
+ config.size);
+
+ if(start_position != dest_start) need_reconfigure = 1;
+ dest_start = start_position;
+
+// Get start position of the input.
+// Sample 0 is the keyframe position
+//printf("TimeStretchRT::process_buffer %d %f\n", __LINE__, config.scale);
+ if(need_reconfigure)
+ {
+ int64_t prev_position = edl_to_local(
+ get_prev_keyframe(
+ get_source_position())->position);
+
+ if(prev_position == 0)
+ {
+ prev_position = get_source_start();
+ }
+
+ source_start = (int64_t)((start_position - prev_position) /
+ config.scale) + prev_position;
+
+ engine->reset();
+ engine->update(config.scale, sample_rate, config.size);
+ need_reconfigure = 0;
+//printf("TimeStretchRT::process_buffer %d start_position=" _LD
+// " prev_position=%jd scale=%f source_start=%jd\n",
+// __LINE__, start_position, prev_position, config.scale, source_start);
+ }
+
+// process buffers until output length is reached
+ int error = 0;
+ while(!error && engine->get_output_size() < size)
+ {
+
+// printf("TimeStretchRT::process_buffer %d buffer=%p size=%lld source_start=%lld\n",
+// __LINE__,
+// buffer,
+// size,
+// source_start);
+ read_samples(buffer,
+ 0,
+ sample_rate,
+ source_start,
+ size);
+
+
+ if(get_direction() == PLAY_FORWARD)
+ source_start += size;
+ else
+ source_start -= size;
+
+//printf("TimeStretchRT::process_buffer %d size=%d\n", __LINE__, size);
+ engine->process(buffer, size);
+//printf("TimeStretchRT::process_buffer %d\n", __LINE__);
+
+ }
+//printf("TimeStretchRT::process_buffer %d\n", __LINE__);
+
+
+ engine->read_output(buffer, size);
+
+//printf("TimeStretchRT::process_buffer %d\n", __LINE__);
+ if(get_direction() == PLAY_FORWARD)
+ dest_start += size;
+ else
+ dest_start -= size;
+
+ return 0;
+}
+
+
+
+
+
+void TimeStretchRT::save_data(KeyFrame *keyframe)
+{
+ FileXML output;
+
+// cause data to be stored directly in text
+ output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
+ output.tag.set_title("TIMESTRETCHRT");
+ output.tag.set_property("SCALE", config.scale);
+ output.tag.set_property("SIZE", config.size);
+ output.append_tag();
+ output.tag.set_title("/TIMESTRETCHRT");
+ output.append_tag();
+ output.append_newline();
+ output.terminate_string();
+}
+
+void TimeStretchRT::read_data(KeyFrame *keyframe)
+{
+ FileXML input;
+
+ input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
+
+ while(!input.read_tag())
+ {
+ if(input.tag.title_is("TIMESTRETCHRT"))
+ {
+ config.scale = input.tag.get_property("SCALE", config.scale);
+ config.size = input.tag.get_property("SIZE", config.size);
+ }
+ }
+}
+
+void TimeStretchRT::update_gui()
+{
+ if(thread)
+ {
+ if(load_configuration())
+ {
+
+ thread->window->lock_window("TimeStretchRT::update_gui");
+ ((TimeStretchRTWindow*)thread->window)->scale->update((float)(1.0 / config.scale));
+ ((TimeStretchRTWindow*)thread->window)->size->update((int64_t)config.size);
+ thread->window->unlock_window();
+ }
+ }
+}
+
+
+
+
+
projects / goodguy / history.git / blobdiff