note.txt

Video:
FrameRate:
    1: 23.976, 2: 24, 3: 25, 4: 29.97


# Disc > ClipInfo_Block > ClipInfo > LoopPGStream > ClipStreamInfo > OffsetFromVideo clip字幕时间偏移

# Disc > PlayItem_Block > PlayItem > STN_table_Block > Loop_PG_textSTStream
# STN_table_SS_Block 隐藏的应该是

# Disc > Asset_Block > PGInfo > PG
# LanguageCode, StartTime

# StreamObjectType: v->3, a->4, s->5
# ClipStreamType:   v->0, a->1, s->2

<ClipStreamInfo>
    <ParentObjectID>399</ParentObjectID>
    <ClipStreamType>2</ClipStreamType>
    <StreamAssetID>371</StreamAssetID>
    <StreamObjectType>5</StreamObjectType>
    <StreamTimeInfo>
        <Offset>0</Offset>
        <Duration>3052500</Duration>
        <OffsetFromVideo>3420000</OffsetFromVideo>
    </StreamTimeInfo>
</ClipStreamInfo>

'ID=399 clip 732, ID=603 clip 783'
'ID=667 PlayItem'
'ID=249 741fra.pes' # 187500 = 2083ms # 187500 = 

# PlayItem
'''
RefToStreamPIDofMainClip: 
    Vid: 4113 #0x 1011
    Aud: 4352, 4353 1st, 2nd #0x1100, 0x1101
    PG:  4608, 4609 # 0x1200, 0x1201
'''

video: clipPTS/3750 = frame (videoinfo)
audio: duration (audioinfo & clipPTS)
pg: duration (pginfo & clipPTS)
playitem: piPTS/1875 = frame

# connection_condition: 1: Not Seamless, 5: Seamless, 6: Seamless Concatenated

当没有子元素时 if ET.Element -> False