add generating script and the first version of codec_ver.h
fix idr_id: idr_id should be adding regardless of the sps strategy
add this log for codec
encoder log level adjustment in UT to avoid too many output and some formatting
refine the UT case for checking IDR request
Merge pull request #1613 from sijchen/fix_ut2

[UT] encoder log level adjustment
Merge pull request #1614 from sijchen/fix_idr_id1

[Encoder] fix idr_id: idr_id should be adding regardless of the sps strategy
Merge pull request #1612 from huili2/log_add_this_codec

add this log for codec
Merge pull request #1615 from lyao2/ut_idr3

refine the UT case for checking IDR request
fix two continus IDR, with same sps/pps id, but different resolution
Merge pull request #1616 from dongzha/testcrash

fix two continus IDR, with same sps/pps id, but different resolution
fix a typo
modify freeze output to proper location
Merge pull request #1617 from ruil2/bits_update

fix a typo
add set unused in dpb
Merge pull request #1618 from huili2/modify_freeze_pos

modify freeze output to proper location
    keep the consistency between sps level and parameter level
Merge pull request #1623 from ruil2/level_5

    keep the consistency between sps level and parameter level
change au_ready status and check au number
Merge pull request #1622 from dongzha/setunuse

add set unused in dpb