import re

fps = avsp.GetVideoFramerate(index=None)
filename = avsp.GetFilename(title='Open OGG Chapters',filefilter='Chapter Files (*.txt)|*.txt')
#avsp.MsgBox("fps: %s\nfilename: %s" % (fps,filename), title='debug')

def parseOgg(file):
    chapre = re.compile("CHAPTER\d+=(\S+)",re.I)
    timeStrings = []

    chapFile = open(file)
    for line in chapFile:
        timeString = chapre.match(line)
        if timeString != None:
            timeStrings.append(timeString.group(1))
    chapFile.close()

    return timeStrings

def time2ms(ts):

    t = ts.split(':')
    h = int(t[0]) * 3600000
    m = h + int(t[1]) * 60000
    ms = round(m + float(t[2]) * 1000)

    return ms

# def ms2frame(ms,fps):
    # rat = re.compile('(\d+)(?:/|:)(\d+)')
    # s = ms / 1000
    # fps = rat.search(fps).groups() if rat.search(fps) else \
        # [re.search('(\d+)',fps).group(0),'1']
    # frame = round((int(fps[0])/int(fps[1])) * s)

    # return frame
def ms2frame(ms,fps):
    s = ms /1000
    frame = int(round(fps * s))
    return frame

if filename != '':
    timeStrings=parseOgg(filename)
    #avsp.MsgBox("timeStrings: %s" % ';'.join(timeStrings), title='debug')
    timeCodes = [time2ms(timeString) for timeString in timeStrings]
    #avsp.MsgBox("timeCodes: %s" % ';'.join([str(i) for i in timeCodes]), title='debug')
    frameNumbers = [ms2frame(timeCode,fps) for timeCode in timeCodes]
    for frame in frameNumbers:
        avsp.SetBookmark(frame)