--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 1997-2011 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 SPECTROGRAM_H
+#define SPECTROGRAM_H
+
+
+
+
+
+
+#include "bchash.inc"
+#include "bctimer.inc"
+#include "fourier.h"
+#include "guicast.h"
+#include "mutex.h"
+#include "pluginaclient.h"
+#include "vframe.inc"
+
+
+
+
+class Spectrogram;
+
+#define MIN_XZOOM 1
+#define MAX_XZOOM 256
+#define MIN_WINDOW 1024
+#define MAX_WINDOW 65536
+#define DIVISIONS 10
+#define DIVISION_W 60
+#define MARGIN 10
+#define MAX_COLUMNS 1024
+#define MAX_HISTORY 32
+#define MIN_HISTORY 1
+#define MIN_FREQ 1
+#define MAX_FREQ 30000
+
+// mode
+#define VERTICAL 0
+#define HORIZONTAL 1
+
+
+class SpectrogramLevel : public BC_FPot
+{
+public:
+ SpectrogramLevel(Spectrogram *plugin, int x, int y);
+ int handle_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramMode : public BC_PopupMenu
+{
+public:
+ SpectrogramMode(Spectrogram *plugin,
+ int x,
+ int y);
+ int handle_event();
+ static const char* mode_to_text(int mode);
+ static int text_to_mode(const char *text);
+ void create_objects();
+ Spectrogram *plugin;
+};
+
+class SpectrogramHistory : public BC_IPot
+{
+public:
+ SpectrogramHistory(Spectrogram *plugin,
+ int x,
+ int y);
+ int handle_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramWindowSize : public BC_PopupMenu
+{
+public:
+ SpectrogramWindowSize(Spectrogram *plugin,
+ int x,
+ int y,
+ char *text);
+ int handle_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramWindowSizeTumbler : public BC_Tumbler
+{
+public:
+ SpectrogramWindowSizeTumbler(Spectrogram *plugin, int x, int y);
+ int handle_up_event();
+ int handle_down_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramFragmentSize : public BC_PopupMenu
+{
+public:
+ SpectrogramFragmentSize(Spectrogram *plugin,
+ int x,
+ int y,
+ char *text);
+ int handle_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramFragmentSizeTumbler : public BC_Tumbler
+{
+public:
+ SpectrogramFragmentSizeTumbler(Spectrogram *plugin, int x, int y);
+ int handle_up_event();
+ int handle_down_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramNormalize : public BC_CheckBox
+{
+public:
+ SpectrogramNormalize(Spectrogram *plugin, int x, int y);
+ int handle_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramFreq : public BC_TextBox
+{
+public:
+ SpectrogramFreq(Spectrogram *plugin, int x, int y);
+ int handle_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramXZoom : public BC_IPot
+{
+public:
+ SpectrogramXZoom(Spectrogram *plugin, int x, int y);
+ int handle_event();
+ Spectrogram *plugin;
+};
+
+class SpectrogramCanvas : public BC_SubWindow
+{
+public:
+ SpectrogramCanvas(Spectrogram *plugin, int x, int y, int w, int h);
+ int button_press_event();
+ int button_release_event();
+ int cursor_motion_event();
+ void calculate_point();
+ void draw_overlay();
+
+ enum
+ {
+ NONE,
+ DRAG
+ };
+
+ int current_operation;
+ Spectrogram *plugin;
+};
+
+
+class SpectrogramWindow : public PluginClientWindow
+{
+public:
+ SpectrogramWindow(Spectrogram *plugin);
+ ~SpectrogramWindow();
+
+ void create_objects();
+ void update_gui();
+ int resize_event(int w, int h);
+ void calculate_frequency(int x, int y, int do_overlay);
+
+ SpectrogramCanvas *canvas;
+
+ BC_Title *level_title;
+ SpectrogramLevel *level;
+ BC_Title *window_size_title;
+ SpectrogramWindowSize *window_size;
+ SpectrogramWindowSizeTumbler *window_size_tumbler;
+
+ BC_Title *mode_title;
+ SpectrogramMode *mode;
+ BC_Title *history_title;
+ SpectrogramHistory *history;
+
+ BC_Title *freq_title;
+// SpectrogramFreq *freq;
+ BC_Title *amplitude_title;
+
+
+ BC_Title *xzoom_title;
+ SpectrogramXZoom *xzoom;
+// SpectrogramFragmentSizeTumbler *window_fragment_tumbler;
+
+ SpectrogramNormalize *normalize;
+ Spectrogram *plugin;
+ int probe_x, probe_y;
+};
+
+
+
+
+
+
+class SpectrogramConfig
+{
+public:
+ SpectrogramConfig();
+ int equivalent(SpectrogramConfig &that);
+ void copy_from(SpectrogramConfig &that);
+ void interpolate(SpectrogramConfig &prev,
+ SpectrogramConfig &next,
+ int64_t prev_frame,
+ int64_t next_frame,
+ int64_t current_frame);
+ double level;
+ int window_size;
+// Generate this many columns for each window
+ int xzoom;
+// Frequency probed
+ int frequency;
+ int normalize;
+ int mode;
+ int history_size;
+};
+
+// Header for data buffer
+typedef struct
+{
+ int window_size;
+// Total windows in this buffer
+ int total_windows;
+// Samples per fragment
+ int window_fragment;
+// Samplerate
+ int sample_rate;
+// Linearized user level
+ float level;
+// Nothing goes after this
+// 1st sample in each window is the max
+ float samples[1];
+} data_header_t;
+
+class SpectrogramFrame
+{
+public:
+ SpectrogramFrame(int data_size);
+ ~SpectrogramFrame();
+
+ int data_size;
+ float *data;
+// Draw immediately
+ int force;
+};
+
+class Spectrogram : public PluginAClient
+{
+public:
+ Spectrogram(PluginServer *server);
+ ~Spectrogram();
+
+ PLUGIN_CLASS_MEMBERS2(SpectrogramConfig)
+ int is_realtime();
+ int process_buffer(int64_t size,
+ Samples *buffer,
+ int64_t start_position,
+ int sample_rate);
+ void read_data(KeyFrame *keyframe);
+ void save_data(KeyFrame *keyframe);
+ void update_gui();
+ void render_gui(void *data, int size);
+ void render_stop();
+
+ void reset();
+
+ int done;
+ int need_reconfigure;
+ FFT *fft;
+// Data buffer for frequency & magnitude
+ unsigned char *data;
+// Accumulate data for windowing
+ Samples *audio_buffer;
+// Total samples in the buffer
+ int buffer_size;
+// Last window size rendered
+ int window_size;
+// Temporaries for the FFT
+ double *freq_real;
+ double *freq_imag;
+// Total windows sent to current GUI
+ int total_windows;
+// Starting sample in audio_buffer.
+ int64_t audio_buffer_start;
+// Total floats allocated in data buffer
+ int allocated_data;
+// Accumulates canvas pixels until the next update_gui
+ ArrayList<SpectrogramFrame*> frame_buffer;
+// History for vertical mode
+// Probing data for horizontal mode
+ ArrayList<SpectrogramFrame*> frame_history;
+// Header from last data buffer
+ data_header_t header;
+// Time of last GUI update
+ Timer *timer;
+// Window dimensions
+ int w, h;
+};
+
+
+#endif
projects / goodguy / history.git / blobdiff