| |
|
| | from numpy import uint64 |
| | from ..common.Common import * |
| |
|
| | def TimeCodeToMillisec(timecode): |
| |
|
| | if timecode == "": |
| | log.error("Empty timecode was given to TimeCodeToMillisec function") |
| |
|
| | tokens = timecode.split(":") |
| |
|
| | if len(tokens) == 0: |
| | log.error("Splitting of timecode " + timecode + " produced unexpected output") |
| | elif len(tokens) == 1: |
| | |
| | return uint64(timecode) |
| |
|
| | hour = 0 |
| | min = 0 |
| | sec = 0 |
| | msec = 0 |
| |
|
| | if len(tokens) >= 2: |
| | hour = uint64(tokens[0]) |
| | min = uint64(tokens[1]) |
| |
|
| | if len(tokens) >= 3: |
| | sec = uint64(tokens[2]) |
| | |
| |
|
| | if len(tokens) >= 4: |
| | msec = uint64(tokens[3]) |
| | |
| | min = min + hour*60 |
| | sec = sec + min*60 |
| | msec = msec + sec*1000 |
| |
|
| | return uint64(msec) |
| |
|
| | def MillisecToTimeCode(milliSec, use_dot_for_millisec = False): |
| |
|
| | Millisecond = 1 |
| | Second = 1000 * Millisecond |
| | Minute = 60 * Second |
| | Hour = 60 * Minute |
| |
|
| | hour = max(0, int(milliSec / Hour)) |
| | milliSec -= hour * Hour |
| |
|
| | min = max(0, int(milliSec / Minute)) |
| | milliSec -= min * Minute |
| |
|
| | sec = max(0, int(milliSec / Second)) |
| | milliSec -= sec * Second |
| |
|
| | msec = max(0, int(milliSec / Millisecond)) |
| | milliSec -= sec * Millisecond |
| |
|
| | if hour < 0 or min < 0 or sec < 0 or msec < 0: |
| | log.fatal("Could not construct timecode from millisec %v [hour: %v, min: %v, sec: %v, msec: %v]", milliSec, hour, min, sec, msec) |
| |
|
| | if use_dot_for_millisec: |
| | timeCode = "%02d:%02d:%02d.%03d" % (hour, min, sec, msec) |
| | else: |
| | timeCode = "%02d:%02d:%02d:%03d" % (hour, min, sec, msec) |
| |
|
| | return timeCode |
| |
|
| | def FrameIndexToMillisec(frame_index, frame_rate): |
| | return int((frame_index * 1000)/frame_rate) |
| |
|
| | def MillisecToFrameIndex(time_in_millisec, frame_rate): |
| | return int((time_in_millisec * frame_rate) / 1000) |
| |
|
| | def TimeCodeToFrameIndex(timecode, frame_rate): |
| | return MillisecToFrameIndex(TimeCodeToMillisec(timecode), frame_rate) |
| |
|
| | def FrameIndexToTimeCode(frame_index, frame_rate): |
| | return MillisecToTimeCode(FrameIndexToMillisec(frame_index, frame_rate)) |
