+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 1997-2012 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 "clip.h"
-#include "filexml.h"
-#include "language.h"
-#include "removegaps.h"
-#include "samples.h"
-#include "theme.h"
-#include "transportque.inc"
-
-#include <string.h>
-
-
-// Maximum seconds to skip, if end of file
-#define MAX_SKIPPED_DURATION 5.0
-#define MIN_GAP_DURATION 0.01
-#define MAX_GAP_DURATION 1.0
-#define MIN_GAP_THRESHOLD INFINITYGAIN
-#define MAX_GAP_THRESHOLD 0.0
-
-REGISTER_PLUGIN(RemoveGaps);
-
-
-
-RemoveGapsConfig::RemoveGapsConfig()
-{
- threshold = -20.0;
- duration = 0.1;
-}
-
-
-int RemoveGapsConfig::equivalent(RemoveGapsConfig &src)
-{
- return EQUIV(threshold, src.threshold) &&
- EQUIV(duration, src.duration);
-}
-
-void RemoveGapsConfig::copy_from(RemoveGapsConfig &src)
-{
- this->threshold = src.threshold;
- this->duration = src.duration;
-}
-
-void RemoveGapsConfig::interpolate(RemoveGapsConfig &prev,
- RemoveGapsConfig &next,
- int64_t prev_frame,
- int64_t next_frame,
- int64_t current_frame)
-{
- this->threshold = prev.threshold;
- this->duration = prev.duration;
- boundaries();
-}
-
-void RemoveGapsConfig::boundaries()
-{
- CLAMP(threshold, MIN_GAP_THRESHOLD, MAX_GAP_THRESHOLD);
- CLAMP(duration, MIN_GAP_DURATION, MAX_GAP_DURATION);
-}
-
-
-
-
-RemoveGapsWindow::RemoveGapsWindow(RemoveGaps *plugin)
- : PluginClientWindow(plugin,
- 320,
- 160,
- 320,
- 160,
- 0)
-{
- this->plugin = plugin;
-}
-
-RemoveGapsWindow::~RemoveGapsWindow()
-{
-}
-
-void RemoveGapsWindow::create_objects()
-{
- int x = 10, y = 10;
- BC_Title *title;
-
- add_subwindow(title = new BC_Title(x, y, _("Threshold of gap (DB):")));
-
- add_subwindow(threshold = new RemoveGapsThreshold(this,
- plugin,
- x + title->get_w() + plugin->get_theme()->widget_border,
- y));
- y += threshold->get_h() + plugin->get_theme()->widget_border;
- add_subwindow(title = new BC_Title(x, y, _("Max duration of gap (Seconds):")));
- add_subwindow(duration = new RemoveGapsDuration(this,
- plugin,
- x + title->get_w() + plugin->get_theme()->widget_border,
- y));
- show_window(1);
-}
-
-
-
-
-
-
-RemoveGapsThreshold::RemoveGapsThreshold(RemoveGapsWindow *window,
- RemoveGaps *plugin,
- int x,
- int y)
- : BC_FPot(x,
- y,
- plugin->config.threshold,
- MIN_GAP_THRESHOLD,
- MAX_GAP_THRESHOLD)
-{
- this->plugin = plugin;
- set_precision(0.1);
-}
-
-int RemoveGapsThreshold::handle_event()
-{
- plugin->config.threshold = get_value();
- plugin->send_configure_change();
- return 1;
-}
-
-
-
-
-
-
-
-
-RemoveGapsDuration::RemoveGapsDuration(RemoveGapsWindow *window,
- RemoveGaps *plugin,
- int x,
- int y)
- : BC_FPot(x,
- y,
- plugin->config.duration,
- MIN_GAP_DURATION,
- MAX_GAP_DURATION)
-{
- this->plugin = plugin;
- set_precision(0.01);
-}
-
-int RemoveGapsDuration::handle_event()
-{
- plugin->config.duration = get_value();
- plugin->send_configure_change();
- return 1;
-}
-
-
-
-
-
-
-
-RemoveGaps::RemoveGaps(PluginServer *server)
- : PluginAClient(server)
-{
- need_reconfigure = 1;
- source_start = 0;
- dest_start = 0;
- gap_length = 0;
- temp_position = 0;
- temp = 0;
-}
-
-
-RemoveGaps::~RemoveGaps()
-{
- delete temp;
-}
-
-const char* RemoveGaps::plugin_title() { return _("Remove Gaps"); }
-int RemoveGaps::is_realtime() { return 1; }
-
-NEW_WINDOW_MACRO(RemoveGaps, RemoveGapsWindow)
-
-LOAD_CONFIGURATION_MACRO(RemoveGaps, RemoveGapsConfig)
-
-
-int RemoveGaps::process_buffer(int64_t size,
- Samples *buffer,
- int64_t start_position,
- int sample_rate)
-{
- need_reconfigure |= load_configuration();
-
-
- if(need_reconfigure || start_position != dest_start)
- {
- source_start = start_position;
- temp_position = 0;
- need_reconfigure = 0;
- }
-
- dest_start = start_position;
- double *buffer_samples = buffer->get_data();
- double *temp_samples = !temp ? 0 : temp->get_data();
-
- double threshold = DB::fromdb(config.threshold);
- int64_t duration = (int64_t)(config.duration * sample_rate);
- for(int i = 0; i < size; )
- {
- if(!temp || temp_position >= temp->get_allocated())
- {
-// Expand temp buffer if smaller than buffer read
- if(!temp)
- {
- temp = new Samples(get_buffer_size());
- temp_samples = temp->get_data();
- }
- temp_position = 0;
-
-// Fill new temp buffer
- read_samples(temp,
- 0,
- sample_rate,
- source_start,
- get_buffer_size());
- if(get_direction() == PLAY_FORWARD)
- source_start += size;
- else
- source_start -= size;
- }
-
- double sample = temp_samples[temp_position];
- if(fabs(sample) < threshold)
- {
- gap_length++;
- }
- else
- {
- gap_length = 0;
- }
-
-// Only copy sample if gap below duration or no more samples to read
- if(gap_length < duration || gap_length > MAX_SKIPPED_DURATION * sample_rate)
- {
- buffer_samples[i++] = sample;
- }
-
- temp_position++;
- }
-
-
- if(get_direction() == PLAY_FORWARD)
- dest_start += size;
- else
- dest_start -= size;
-
- return 0;
-}
-
-void RemoveGaps::render_stop()
-{
- need_reconfigure = 1;
-}
-
-
-
-
-void RemoveGaps::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("REMOVEGAPS");
- output.tag.set_property("DURATION", config.duration);
- output.tag.set_property("THRESHOLD", config.threshold);
- output.append_tag();
- output.tag.set_title("/REMOVEGAPS");
- output.append_tag();
- output.append_newline();
- output.terminate_string();
-}
-
-void RemoveGaps::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("REMOVEGAPS"))
- {
- config.duration = input.tag.get_property("DURATION", config.duration);
- config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
- }
- }
-
-}
-
-void RemoveGaps::update_gui()
-{
- if(thread)
- {
- if(load_configuration())
- {
- thread->window->lock_window("RemoveGaps::update_gui");
- ((RemoveGapsWindow*)thread->window)->duration->update((float)config.duration);
- ((RemoveGapsWindow*)thread->window)->threshold->update((float)config.threshold);
- thread->window->unlock_window();
- }
- }
-}
-
-
-
-
-
projects / goodguy / history.git / blobdiff