+++ /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 "bchash.h"
-#include "filexml.h"
-#include "guicast.h"
-#include "language.h"
-#include "pluginaclient.h"
-#include "samples.h"
-#include "transportque.h"
-
-#include <string.h>
-
-class ReverseAudio;
-
-class ReverseAudioConfig
-{
-public:
- ReverseAudioConfig();
- int enabled;
-};
-
-
-class ReverseAudioEnabled : public BC_CheckBox
-{
-public:
- ReverseAudioEnabled(ReverseAudio *plugin,
- int x,
- int y);
- int handle_event();
- ReverseAudio *plugin;
-};
-
-class ReverseAudioWindow : public PluginClientWindow
-{
-public:
- ReverseAudioWindow(ReverseAudio *plugin);
- ~ReverseAudioWindow();
- void create_objects();
-
- ReverseAudio *plugin;
- ReverseAudioEnabled *enabled;
-};
-
-
-
-class ReverseAudio : public PluginAClient
-{
-public:
- ReverseAudio(PluginServer *server);
- ~ReverseAudio();
-
- PLUGIN_CLASS_MEMBERS(ReverseAudioConfig)
-
- void save_data(KeyFrame *keyframe);
- void read_data(KeyFrame *keyframe);
- void update_gui();
- int is_realtime();
- int process_buffer(int64_t size,
- Samples *buffer,
- int64_t start_position,
- int sample_rate);
-
- int64_t input_position;
- int fragment_size;
-};
-
-
-
-
-
-
-
-REGISTER_PLUGIN(ReverseAudio);
-
-
-
-ReverseAudioConfig::ReverseAudioConfig()
-{
- enabled = 1;
-}
-
-
-
-
-
-ReverseAudioWindow::ReverseAudioWindow(ReverseAudio *plugin)
- : PluginClientWindow(plugin,
- 210,
- 160,
- 200,
- 160,
- 0)
-{
- this->plugin = plugin;
-}
-
-ReverseAudioWindow::~ReverseAudioWindow()
-{
-}
-
-void ReverseAudioWindow::create_objects()
-{
- int x = 10, y = 10;
-
- add_subwindow(enabled = new ReverseAudioEnabled(plugin,
- x,
- y));
- show_window();
- flush();
-}
-
-
-
-
-
-
-ReverseAudioEnabled::ReverseAudioEnabled(ReverseAudio *plugin,
- int x,
- int y)
- : BC_CheckBox(x,
- y,
- plugin->config.enabled,
- _("Enabled"))
-{
- this->plugin = plugin;
-}
-
-int ReverseAudioEnabled::handle_event()
-{
- plugin->config.enabled = get_value();
- plugin->send_configure_change();
- return 1;
-}
-
-
-
-
-
-
-
-
-
-ReverseAudio::ReverseAudio(PluginServer *server)
- : PluginAClient(server)
-{
-
-}
-
-
-ReverseAudio::~ReverseAudio()
-{
-
-}
-
-const char* ReverseAudio::plugin_title() { return _("Reverse audio"); }
-int ReverseAudio::is_realtime() { return 1; }
-
-
-NEW_WINDOW_MACRO(ReverseAudio, ReverseAudioWindow)
-
-
-int ReverseAudio::process_buffer(int64_t size,
- Samples *buffer,
- int64_t start_position,
- int sample_rate)
-{
- for(int i = 0; i < size; i += fragment_size)
- {
- fragment_size = size - i;
- load_configuration();
- if(config.enabled)
- {
- int offset = buffer->get_offset();
- buffer->set_offset(offset + i);
- read_samples(buffer,
- 0,
- sample_rate,
- input_position,
- fragment_size);
- buffer->set_offset(offset);
- double *buffer_samples = buffer->get_data();
-
- for(int start = i, end = i + fragment_size - 1;
- end > start;
- start++, end--)
- {
- double temp = buffer_samples[start];
- buffer_samples[start] = buffer_samples[end];
- buffer_samples[end] = temp;
- }
- }
- else
- {
- int offset = buffer->get_offset();
- buffer->set_offset(offset + i);
- read_samples(buffer,
- 0,
- sample_rate,
- start_position,
- fragment_size);
- buffer->set_offset(offset);
- }
-
- if(get_direction() == PLAY_FORWARD)
- start_position += fragment_size;
- else
- start_position -= fragment_size;
- }
-
-
- return 0;
-}
-
-
-
-
-int ReverseAudio::load_configuration()
-{
- KeyFrame *prev_keyframe, *next_keyframe;
- next_keyframe = get_next_keyframe(get_source_position());
- prev_keyframe = get_prev_keyframe(get_source_position());
- read_data(next_keyframe);
-// Previous keyframe stays in config object.
- read_data(prev_keyframe);
-
- int64_t prev_position = edl_to_local(prev_keyframe->position);
- int64_t next_position = edl_to_local(next_keyframe->position);
-
-// printf("ReverseAudio::load_configuration 1 %lld %lld %lld %lld\n",
-// prev_position,
-// next_position,
-// prev_keyframe->position,
-// next_keyframe->position);
-// Defeat default keyframe
- if(prev_position == 0 && next_position == 0)
- {
- next_position = prev_position = get_source_start();
- }
-
-// Get range to flip in requested rate
- int64_t range_start = prev_position;
- int64_t range_end = next_position;
-
-// Between keyframe and edge of range or no keyframes
- if(range_start == range_end)
- {
-// Between first keyframe and start of effect
- if(get_source_position() >= get_source_start() &&
- get_source_position() < range_start)
- {
- range_start = get_source_start();
- }
- else
-// Between last keyframe and end of effect
- if(get_source_position() >= range_start &&
- get_source_position() < get_source_start() + get_total_len())
- {
- range_end = get_source_start() + get_total_len();
- }
- else
- {
-// Should never get here
- ;
- }
- }
-
-// Convert start position to new direction
- if(get_direction() == PLAY_FORWARD)
- {
-// Truncate next buffer to keyframe
- if(range_end - get_source_position() < fragment_size)
- fragment_size = range_end - get_source_position();
- input_position = get_source_position() - range_start;
- input_position = range_end - input_position - fragment_size;
- }
- else
- {
- if(get_source_position() - range_start < fragment_size)
- fragment_size = get_source_position() - range_start;
- input_position = range_end - get_source_position();
- input_position = range_start + input_position + fragment_size;
- }
-// printf("ReverseAudio::load_configuration 20 start=%lld end=%lld current=%lld input=%lld\n",
-// range_start,
-// range_end,
-// get_source_position(),
-// input_position);
-
- return 0;
-}
-
-
-void ReverseAudio::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("REVERSEAUDIO");
- output.tag.set_property("ENABLED", config.enabled);
- output.append_tag();
- output.tag.set_title("/REVERSEAUDIO");
- output.append_tag();
- output.append_newline();
- output.terminate_string();
-}
-
-void ReverseAudio::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("REVERSEAUDIO"))
- {
- config.enabled = input.tag.get_property("ENABLED", config.enabled);
- }
- }
-}
-
-void ReverseAudio::update_gui()
-{
- if(thread)
- {
- load_configuration();
- thread->window->lock_window();
- ((ReverseAudioWindow*)thread->window)->enabled->update(config.enabled);
- thread->window->unlock_window();
- }
-}
-
-
-
-
-
projects / goodguy / history.git / blobdiff