--- /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
+ *
+ */
+
+#ifndef PARAMETRIC_H
+#define PARAMETRIC_H
+
+
+#include "bchash.inc"
+#include "fourier.h"
+#include "guicast.h"
+#include "mutex.h"
+#include "pluginaclient.h"
+#include "vframe.inc"
+
+
+// This parametric EQ multiplies the data by a gaussian curve in frequency domain.
+// It causes significant delay but is useful.
+
+
+#define BANDS 3
+#define MAXMAGNITUDE 15
+#define MAX_WINDOW 262144
+
+
+
+class ParametricConfig;
+class ParametricThread;
+class ParametricFreq;
+class ParametricQuality;
+class ParametricMagnitude;
+class ParametricBandGUI;
+class ParametricWindow;
+class ParametricFFT;
+class ParametricEQ;
+
+
+
+
+class ParametricBand
+{
+public:
+ ParametricBand();
+
+ int equivalent(ParametricBand &that);
+ void copy_from(ParametricBand &that);
+ void interpolate(ParametricBand &prev,
+ ParametricBand &next,
+ double prev_scale,
+ double next_scale);
+
+ enum
+ {
+ NONE,
+ LOWPASS,
+ HIGHPASS,
+ BANDPASS
+ };
+
+ int freq;
+ float quality;
+ float magnitude;
+ int mode;
+};
+
+
+class ParametricConfig
+{
+public:
+ ParametricConfig();
+
+ int equivalent(ParametricConfig &that);
+ void copy_from(ParametricConfig &that);
+ void interpolate(ParametricConfig &prev,
+ ParametricConfig &next,
+ int64_t prev_frame,
+ int64_t next_frame,
+ int64_t current_frame);
+
+ ParametricBand band[BANDS];
+ float wetness;
+ int window_size;
+};
+
+
+
+
+
+class ParametricFreq : public BC_QPot
+{
+public:
+ ParametricFreq(ParametricEQ *plugin, int x, int y, int band);
+
+ int handle_event();
+
+ int band;
+ ParametricEQ *plugin;
+};
+
+
+class ParametricQuality : public BC_FPot
+{
+public:
+ ParametricQuality(ParametricEQ *plugin, int x, int y, int band);
+
+ int handle_event();
+
+ int band;
+ ParametricEQ *plugin;
+};
+
+
+class ParametricMagnitude : public BC_FPot
+{
+public:
+ ParametricMagnitude(ParametricEQ *plugin, int x, int y, int band);
+
+ int handle_event();
+
+ int band;
+ ParametricEQ *plugin;
+};
+
+
+
+
+class ParametricMode : public BC_PopupMenu
+{
+public:
+ ParametricMode(ParametricEQ *plugin, int x, int y, int band);
+
+ void create_objects();
+ int handle_event();
+ static int text_to_mode(char *text);
+ static const char* mode_to_text(int mode);
+
+ int band;
+ ParametricEQ *plugin;
+};
+
+
+
+
+
+class ParametricBandGUI
+{
+public:
+ ParametricBandGUI(ParametricEQ *plugin,
+ ParametricWindow *window,
+ int x,
+ int y,
+ int band);
+ ~ParametricBandGUI();
+
+ void create_objects();
+ void update_gui();
+
+ int band;
+ int x, y;
+ ParametricEQ *plugin;
+ ParametricWindow *window;
+ ParametricFreq *freq;
+ ParametricQuality *quality;
+ ParametricMagnitude *magnitude;
+ ParametricMode *mode;
+};
+
+
+class ParametricSize : public BC_PopupMenu
+{
+public:
+ ParametricSize(ParametricWindow *window, ParametricEQ *plugin, int x, int y);
+
+ int handle_event();
+ void create_objects(); // add initial items
+ void update(int size);
+
+ ParametricWindow *window;
+ ParametricEQ *plugin;
+};
+
+
+
+
+class ParametricWetness : public BC_FPot
+{
+public:
+ ParametricWetness(ParametricEQ *plugin, int x, int y);
+ int handle_event();
+ ParametricEQ *plugin;
+};
+
+
+class ParametricWindow : public PluginClientWindow
+{
+public:
+ ParametricWindow(ParametricEQ *plugin);
+ ~ParametricWindow();
+
+ void create_objects();
+ void update_gui();
+ void update_canvas();
+
+ BC_SubWindow *canvas;
+ ParametricEQ *plugin;
+ ParametricBandGUI* bands[BANDS];
+ ParametricWetness *wetness;
+ ParametricSize *size;
+};
+
+
+class ParametricGUIFrame : public PluginClientFrame
+{
+public:
+ ParametricGUIFrame(int window_size, int sample_rate);
+ virtual ~ParametricGUIFrame();
+ double *data;
+// Maximum of window in frequency domain
+ double freq_max;
+// Maximum of window in time domain
+ double time_max;
+ int window_size;
+};
+
+
+class ParametricFFT : public CrossfadeFFT
+{
+public:
+ ParametricFFT(ParametricEQ *plugin);
+ ~ParametricFFT();
+
+ int signal_process();
+ int post_process();
+ int read_samples(int64_t output_sample,
+ int samples,
+ Samples *buffer);
+
+ ParametricEQ *plugin;
+// Current GUI frame being filled
+ ParametricGUIFrame *frame;
+};
+
+
+class ParametricEQ : public PluginAClient
+{
+public:
+ ParametricEQ(PluginServer *server);
+ ~ParametricEQ();
+
+ int is_realtime();
+ void read_data(KeyFrame *keyframe);
+ void save_data(KeyFrame *keyframe);
+ int process_buffer(int64_t size,
+ Samples *buffer,
+ int64_t start_position,
+ int sample_rate);
+
+ void reset();
+ void reconfigure();
+ void update_gui();
+
+ double calculate_envelope();
+ double gauss(double sigma, double a, double x);
+
+ double *envelope;
+ int need_reconfigure;
+ PLUGIN_CLASS_MEMBERS(ParametricConfig)
+ ParametricFFT *fft;
+// For refreshing the canvas
+ ParametricGUIFrame *last_frame;
+};
+
+
+
+#endif
projects / goodguy / history.git / blobdiff