Modules | |
| Software timer | |
Defines | |
| #define | GAVL_TIME_SCALE 1000000 |
| #define | GAVL_TIME_UNDEFINED 0x8000000000000000LL |
| #define | GAVL_TIME_MAX 0x7fffffffffffffffLL |
| #define | gavl_seconds_to_time(s) (gavl_time_t)((s)*(double)(GAVL_TIME_SCALE)) |
| Convert seconds (as double) to a gavl time. | |
| #define | gavl_time_to_seconds(t) ((double)(t)/(double)(GAVL_TIME_SCALE)) |
| Convert a gavl time to seconds (as double). | |
| #define | GAVL_TIME_STRING_LEN 11 |
| Length of the string passed to gavl_time_prettyprint. | |
Typedefs | |
| typedef int64_t | gavl_time_t |
| Times in gavl are 64 bit signed integers. | |
Functions | |
| gavl_time_t | gavl_samples_to_time (int samplerate, int64_t samples) |
| Convert a number of samples to a time for a given samplerate. | |
| int64_t | gavl_time_to_samples (int samplerate, gavl_time_t time) |
| Convert a time to a number of audio samples for a given samplerate. | |
| gavl_time_t | gavl_frames_to_time (int rate_num, int rate_den, int64_t frames) |
| Convert a number of video frames to a time for a given framerate. | |
| int64_t | gavl_time_to_frames (int rate_num, int rate_den, gavl_time_t time) |
| Convert a time to a number of video frames for a given framerate. | |
| int64_t | gavl_time_scale (int scale, gavl_time_t time) |
| Convert a gavl time to a time scaled by another base. | |
| gavl_time_t | gavl_time_unscale (int scale, int64_t time) |
| Convert a time scaled by another base to a gavl time. | |
| int64_t | gavl_time_rescale (int scale1, int scale2, int64_t time) |
| Convert a time scaled by one base to a time scaled by another base. | |
| void | gavl_time_delay (gavl_time_t *time) |
| Sleep for a specified time. | |
| void | gavl_time_prettyprint (gavl_time_t time, char str[GAVL_TIME_STRING_LEN]) |
| Convert a time to a string. | |
| #define GAVL_TIME_SCALE 1000000 |
Generic time scale: Microsecond tics
| #define GAVL_TIME_UNDEFINED 0x8000000000000000LL |
Unknown or undefined time
| #define GAVL_TIME_MAX 0x7fffffffffffffffLL |
Maximum possible value
| #define gavl_seconds_to_time | ( | s | ) | (gavl_time_t)((s)*(double)(GAVL_TIME_SCALE)) |
Convert seconds (as double) to a gavl time.
| s | Seconds as double |
| #define gavl_time_to_seconds | ( | t | ) | ((double)(t)/(double)(GAVL_TIME_SCALE)) |
Convert a gavl time to seconds (as double).
| t | Integer time scaled by GAVL_TIME_SCALE |
| #define GAVL_TIME_STRING_LEN 11 |
Length of the string passed to gavl_time_prettyprint.
| typedef int64_t gavl_time_t |
Times in gavl are 64 bit signed integers.
| gavl_time_t gavl_samples_to_time | ( | int | samplerate, | |
| int64_t | samples | |||
| ) |
Convert a number of samples to a time for a given samplerate.
| int64_t gavl_time_to_samples | ( | int | samplerate, | |
| gavl_time_t | time | |||
| ) |
Convert a time to a number of audio samples for a given samplerate.
| samplerate | Samplerate | |
| time | Time |
| gavl_time_t gavl_frames_to_time | ( | int | rate_num, | |
| int | rate_den, | |||
| int64_t | frames | |||
| ) |
Convert a number of video frames to a time for a given framerate.
| int64_t gavl_time_to_frames | ( | int | rate_num, | |
| int | rate_den, | |||
| gavl_time_t | time | |||
| ) |
Convert a time to a number of video frames for a given framerate.
| rate_num | Numerator of the framerate | |
| rate_den | Denominator of the framerate | |
| time | Time |
| int64_t gavl_time_scale | ( | int | scale, | |
| gavl_time_t | time | |||
| ) |
Convert a gavl time to a time scaled by another base.
| scale | Time scale | |
| time | Time scaled by GAVL_TIME_SCALE |
| gavl_time_t gavl_time_unscale | ( | int | scale, | |
| int64_t | time | |||
| ) |
Convert a time scaled by another base to a gavl time.
| scale | Time scale | |
| time | Time scaled by scale |
| int64_t gavl_time_rescale | ( | int | scale1, | |
| int | scale2, | |||
| int64_t | time | |||
| ) |
Convert a time scaled by one base to a time scaled by another base.
| scale1 | Initial time base | |
| scale2 | New time base | |
| time | Time scaled by scale1 |
| void gavl_time_delay | ( | gavl_time_t * | time | ) |
Sleep for a specified time.
| time | Time after which execution of the current thread is resumed |
| void gavl_time_prettyprint | ( | gavl_time_t | time, | |
| char | str[GAVL_TIME_STRING_LEN] | |||
| ) |
Convert a time to a string.
| time | Time to print | |
| str | String |
1.5.5