--- /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
+ *
+ */
+
+#ifndef UNITS_H
+#define UNITS_H
+
+#include "sizes.h"
+
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+
+
+#define INFINITYGAIN -96
+#define MAXGAIN 50
+#define TOTALFREQS 1024
+#define TOTAL_TIMEFORMATS 7
+
+// h:mm:ss.sss
+#define TIME_HMS 0
+#define TIME_HMS_TEXT _("Hours:Minutes:Seconds.xxx")
+// h:mm:ss:ff
+#define TIME_HMSF 1
+#define TIME_HMSF_TEXT _("Hours:Minutes:Seconds:Frames")
+#define TIME_SAMPLES 2
+#define TIME_SAMPLES_TEXT _("Samples")
+#define TIME_SAMPLES_HEX 3
+#define TIME_SAMPLES_HEX_TEXT _("Hex Samples")
+#define TIME_FRAMES 4
+#define TIME_FRAMES_TEXT _("Frames")
+// fffff-ff
+#define TIME_FEET_FRAMES 5
+#define TIME_SECONDS__STR "ssss.sss"
+#define TIME_HMS__STR "h:mm:ss.sss"
+#define TIME_HMS2__STR "h:mm:ss"
+#define TIME_HMS3__STR "hh:mm:ss"
+#define TIME_HMSF__STR "h:mm:ss:ff"
+#define TIME_SAMPLES__STR "audio samples"
+#define TIME_SAMPLES_HEX__STR "audio samples (hex)"
+#define TIME_FRAMES__STR "video frames"
+#define TIME_FEET_FRAMES__STR "video frames (feet)"
+#define TIME_FEET_FRAMES_TEXT _("Feet-frames")
+
+
+// h:mm:ss
+#define TIME_HMS2 6
+#define TIME_HMS2_TEXT _("Hours:Minutes:Seconds")
+// hh:mm:ss
+#define TIME_HMS3 7
+#define TIME_HMS3_TEXT _("Hours:Minutes:Seconds")
+
+#define TIME_SECONDS 8
+#define TIME_SECONDS_TEXT _("Seconds")
+// m:ss
+#define TIME_MS1 9
+// +m:ss
+#define TIME_MS2 10
+#define TIME_MS2_TEXT _("Minutes:Seconds")
+
+class DB
+{
+public:
+ DB(float infinitygain = INFINITYGAIN);
+ virtual ~DB() {};
+
+// return power of db using a table
+ float fromdb_table();
+ float fromdb_table(float db);
+// return power from db using log10
+ float fromdb();
+ static float fromdb(float db);
+
+// convert db to power using a formula
+ static float todb(float power);
+
+ inline DB& operator++() { if(db < MAXGAIN) db += 0.1; return *this; };
+ inline DB& operator--() { if(db > INFINITYGAIN) db -= 0.1; return *this; };
+ inline DB& operator=(DB &newdb) { db = newdb.db; return *this; };
+ inline DB& operator=(int newdb) { db = newdb; return *this; };
+ inline int operator==(DB &newdb) { return db == newdb.db; };
+ inline int operator==(int newdb) { return db == newdb; };
+
+ static float *topower, *topower_base;
+ float db;
+ float infinitygain;
+ private:
+ static float *allocated;
+};
+
+// Third octave frequency table
+class Freq
+{
+public:
+ Freq();
+ Freq(const Freq& oldfreq);
+ virtual ~Freq() {};
+
+ static void init_table();
+
+// set freq to index given
+ static int tofreq(int index);
+
+// return index of frequency
+ int fromfreq();
+ static int fromfreq(int index);
+
+// increment frequency by one
+ Freq& operator++();
+ Freq& operator--();
+
+ int operator>(Freq &newfreq);
+ int operator<(Freq &newfreq);
+ Freq& operator=(const Freq &newfreq);
+ int operator=(const int newfreq);
+ int operator!=(Freq &newfreq);
+ int operator==(Freq &newfreq);
+ int operator==(int newfreq);
+
+ static int *freqtable;
+ int freq;
+};
+
+
+class Units
+{
+public:
+ Units() {};
+
+ static int timeformat_totype(char *tcf);
+
+// No rounding.
+ static float toframes(int64_t samples, int sample_rate, float framerate);
+// Round up if > .5
+ static int64_t toframes_round(int64_t samples, int sample_rate, float framerate);
+ static double fix_framerate(double value);
+ static double atoframerate(const char *text);
+ static int64_t get_int64(const char*&cp);
+ static double get_double(const char*&cp);
+ static void skip_seperators(const char*&cp);
+
+// Punctuate with commas
+ static void punctuate(char *string);
+
+
+// separator strings for BC_TextBox::set_separators
+// Returns 0 if the format has no separators.
+ static const char* format_to_separators(int time_format);
+ static int text_to_format(const char *string);
+ static const char* print_time_format(int time_format, char *string);
+
+ static int64_t tosamples(double frames, int sample_rate, float framerate);
+// give text representation as time
+ static char* totext(char *text, int64_t samples, int time_format,
+ int samplerate, float frame_rate = 0, float frames_per_foot = 0);
+// give text representation as time
+ static char* totext(char *text, double seconds, int time_format,
+ int sample_rate = 0, float frame_rate = 0, float frames_per_foot = 0);
+// convert time to samples
+ static int64_t fromtext(const char *text, int samplerate,
+ int time_format, float frame_rate, float frames_per_foot);
+// Convert text to seconds
+ static double text_to_seconds(const char *text, int samplerate,
+ int time_format, float frame_rate = 0, float frames_per_foot = 0);
+ static char* size_totext(int64_t bytes, char *text);
+
+ static float xy_to_polar(int x, int y);
+ static void polar_to_xy(float angle, int radius, int &x, int &y);
+
+// Numbers < 0 round down if next digit is < 5
+// Numbers > 0 round up if next digit is > 5
+ static int64_t round(double result);
+
+// Flooring type converter rounded to nearest .001
+ static int64_t to_int64(double result);
+
+ static float quantize10(float value);
+ static float quantize(float value, float precision);
+
+ static void* int64_to_ptr(uint64_t value);
+ static uint64_t ptr_to_int64(void *ptr);
+
+// Comparisons between double seem to work more often when this is called
+// on the comparison values.
+ static void fix_double(double *x);
+};
+
+#endif
projects / goodguy / history.git / blobdiff