--- /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 "colors.h"
+#include "guicast.h"
+#include "mutex.h"
+#include "pluginaclient.h"
+#include "vframe.inc"
+
+
+
+
+class AudioScope;
+
+#define MIN_WINDOW 32
+#define MAX_WINDOW 262144
+#define DIVISIONS 10
+#define DIVISION_W 60
+#define MARGIN 10
+#define MAX_COLUMNS 1024
+#define CHANNELS 2
+#define MIN_HISTORY 1
+#define MAX_HISTORY 32
+
+// Modes
+#define XY_MODE 0
+#define WAVEFORM_NO_TRIGGER 1
+#define WAVEFORM_RISING_TRIGGER 2
+#define WAVEFORM_FALLING_TRIGGER 3
+
+
+#define CHANNEL0_COLOR WHITE
+#define CHANNEL1_COLOR PINK
+
+class AudioScopeHistory : public BC_IPot
+{
+public:
+ AudioScopeHistory(AudioScope *plugin,
+ int x,
+ int y);
+ int handle_event();
+ AudioScope *plugin;
+};
+
+class AudioScopeWindowSize : public BC_PopupMenu
+{
+public:
+ AudioScopeWindowSize(AudioScope *plugin,
+ int x,
+ int y,
+ char *text);
+ int handle_event();
+ AudioScope *plugin;
+};
+
+class AudioScopeWindowSizeTumbler : public BC_Tumbler
+{
+public:
+ AudioScopeWindowSizeTumbler(AudioScope *plugin, int x, int y);
+ int handle_up_event();
+ int handle_down_event();
+ AudioScope *plugin;
+};
+
+class AudioScopeFragmentSize : public BC_PopupMenu
+{
+public:
+ AudioScopeFragmentSize(AudioScope *plugin,
+ int x,
+ int y,
+ char *text);
+ int handle_event();
+ AudioScope *plugin;
+};
+
+class AudioScopeFragmentSizeTumbler : public BC_Tumbler
+{
+public:
+ AudioScopeFragmentSizeTumbler(AudioScope *plugin, int x, int y);
+ int handle_up_event();
+ int handle_down_event();
+ AudioScope *plugin;
+};
+
+
+class AudioScopeMode : public BC_PopupMenu
+{
+public:
+ AudioScopeMode(AudioScope *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();
+ AudioScope *plugin;
+};
+
+class AudioScopeTriggerLevel : public BC_FPot
+{
+public:
+ AudioScopeTriggerLevel(AudioScope *plugin, int x, int y);
+ int handle_event();
+ AudioScope *plugin;
+};
+
+
+
+class AudioScopeCanvas : public BC_SubWindow
+{
+public:
+ AudioScopeCanvas(AudioScope *plugin,
+ int x,
+ int y,
+ int w,
+ int h);
+ int button_press_event();
+ int button_release_event();
+ int cursor_motion_event();
+ void calculate_point();
+
+ enum
+ {
+ NONE,
+ DRAG
+ };
+
+ int current_operation;
+ AudioScope *plugin;
+};
+
+
+class AudioScopeWindow : public PluginClientWindow
+{
+public:
+ AudioScopeWindow(AudioScope *plugin);
+ ~AudioScopeWindow();
+
+ void create_objects();
+ void update_gui();
+ int resize_event(int w, int h);
+ void calculate_probe(int x, int y, int do_overlay);
+ void draw_overlay();
+ void draw_trigger();
+ void draw_probe();
+
+ BC_Title *window_size_title;
+ AudioScopeWindowSize *window_size;
+ AudioScopeWindowSizeTumbler *window_size_tumbler;
+ AudioScope *plugin;
+
+ BC_Title *history_size_title;
+ AudioScopeHistory *history_size;
+
+ AudioScopeCanvas *canvas;
+
+ BC_Title *mode_title;
+ AudioScopeMode *mode;
+
+ BC_Title *trigger_level_title;
+ AudioScopeTriggerLevel *trigger_level;
+
+ BC_Title *probe_sample;
+ BC_Title *probe_level0;
+ BC_Title *probe_level1;
+
+ int probe_x;
+ int probe_y;
+};
+
+
+
+
+
+
+class AudioScopeConfig
+{
+public:
+ AudioScopeConfig();
+ int equivalent(AudioScopeConfig &that);
+ void copy_from(AudioScopeConfig &that);
+ void interpolate(AudioScopeConfig &prev,
+ AudioScopeConfig &next,
+ int64_t prev_frame,
+ int64_t next_frame,
+ int64_t current_frame);
+ int window_size;
+ int history_size;
+
+ int mode;
+ double trigger_level;
+};
+
+// Header for data buffer
+typedef struct
+{
+ int window_size;
+// Total fragments in this buffer
+ int total_windows;
+// Samplerate
+ int sample_rate;
+ int channels;
+// Nothing goes after this
+ float samples[1];
+} data_header_t;
+
+class AudioScopeFrame
+{
+public:
+ AudioScopeFrame(int data_size, int channels);
+ ~AudioScopeFrame();
+
+ int size;
+ int channels;
+ float *data[CHANNELS];
+// Draw immediately
+ int force;
+};
+
+class AudioScope : public PluginAClient
+{
+public:
+ AudioScope(PluginServer *server);
+ ~AudioScope();
+
+ PLUGIN_CLASS_MEMBERS2(AudioScopeConfig)
+ int is_realtime();
+ int is_multichannel();
+ 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 need_reconfigure;
+// Data buffer for frequency & magnitude
+ unsigned char *data;
+// Accumulate data for windowing
+ Samples *audio_buffer[CHANNELS];
+// Total samples in the buffer
+ int buffer_size;
+// Last window size rendered
+ int window_size;
+// 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<AudioScopeFrame*> frame_buffer;
+// Past frames for the shadow effect
+ ArrayList<AudioScopeFrame*> frame_history;
+// Data for probe
+ AudioScopeFrame *current_frame;
+// Header from last data buffer
+ data_header_t header;
+// Time of last GUI update
+ Timer *timer;
+
+ int w;
+ int h;
+};
+
+
+#endif