timer.h
上传用户:tuheem
上传日期:2007-05-01
资源大小:21889k
文件大小:2k
- # ifndef LIBMAD_TIMER_H
- # define LIBMAD_TIMER_H
- typedef struct {
- signed long seconds;
- unsigned long fraction;
- } mad_timer_t;
- extern mad_timer_t const mad_timer_zero;
- # define MAD_TIMER_RESOLUTION 352800000UL
- enum mad_units {
- MAD_UNITS_HOURS = -2,
- MAD_UNITS_MINUTES = -1,
- MAD_UNITS_SECONDS = 0,
- MAD_UNITS_DECISECONDS = 10,
- MAD_UNITS_CENTISECONDS = 100,
- MAD_UNITS_MILLISECONDS = 1000,
- MAD_UNITS_8000_HZ = 8000,
- MAD_UNITS_11025_HZ = 11025,
- MAD_UNITS_12000_HZ = 12000,
- MAD_UNITS_16000_HZ = 16000,
- MAD_UNITS_22050_HZ = 22050,
- MAD_UNITS_24000_HZ = 24000,
- MAD_UNITS_32000_HZ = 32000,
- MAD_UNITS_44100_HZ = 44100,
- MAD_UNITS_48000_HZ = 48000,
- MAD_UNITS_24_FPS = 24,
- MAD_UNITS_25_FPS = 25,
- MAD_UNITS_30_FPS = 30,
- MAD_UNITS_48_FPS = 48,
- MAD_UNITS_50_FPS = 50,
- MAD_UNITS_60_FPS = 60,
- MAD_UNITS_75_FPS = 75,
- MAD_UNITS_23_976_FPS = -24,
- MAD_UNITS_24_975_FPS = -25,
- MAD_UNITS_29_97_FPS = -30,
- MAD_UNITS_47_952_FPS = -48,
- MAD_UNITS_49_95_FPS = -50,
- MAD_UNITS_59_94_FPS = -60
- };
- # define mad_timer_reset(timer) ((void) (*(timer) = mad_timer_zero))
- int mad_timer_compare(mad_timer_t, mad_timer_t);
- # define mad_timer_sign(timer) mad_timer_compare((timer), mad_timer_zero)
- void mad_timer_negate(mad_timer_t *);
- mad_timer_t mad_timer_abs(mad_timer_t);
- void mad_timer_set(mad_timer_t *, unsigned long, unsigned long, unsigned long);
- void mad_timer_add(mad_timer_t *, mad_timer_t);
- void mad_timer_multiply(mad_timer_t *, signed long);
- signed long mad_timer_count(mad_timer_t, enum mad_units);
- unsigned long mad_timer_fraction(mad_timer_t, unsigned long);
- void mad_timer_string(mad_timer_t, char *, char const *,
- enum mad_units, enum mad_units, unsigned long);
- # endif