Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 5mn 57s
Bit rate mode : Variable
Bit rate : 1 063 Kbps
Maximum bit rate : 3 683 Kbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.038
Stream size : 45.2 MiB (85%)
Title : Imported with GPAC 0.4.6-DEV (internal rev. 5)
Writing library : x264 core 98 r1649 20cbe10
Encoding settings : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=3 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=26.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
곰tv에서 1080p로 나온거 720p로 리사이즈후에 crf26으로 인코딩해보니
압축률이 무려 0.038
스샷처럼 배경이 깔끔해서 어느정도 낮게 나올꺼라 생각했지만 0.038은 진자 대단한 압축률 ㅋㅋ
동영상 압축의 수학적 기초를 세운 푸리에와 그외 기타 엔지니어들에게 찬사를 보낸다 짝짝짝
