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发表于 2021/1/4 22:38
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本帖最后由 starking 于 2021/1/4 22:49 编辑
也就是说,如果是Scan type :Interlaced隔行扫描的,那么反交错最好打开,同时双帧也最好打开,如果是Scan type : Progressive,那么反交错和双帧都不需要打开,否则无谓增加体积,对吗?
我尝试着用P模式的视频做实验,勾选和不勾选,同一个视频是219M和195M。不过,勾选了隔行扫描(反交错)+双帧后,结果压制一个P模式的MV,播放的时候似乎没有任何变化,仍然是30帧,莫非我的理解仍然有误?
General
Unique ID : 61717378786027435796439698339562054665 (0x2E6E55B4C09168EDE6B602E9F9BCE409)
Complete name : D:\[SHANA]2NE1(투애니원) - Fire (Street Ver.) MV_(1080p).mkv
Format : Matroska
Format version : Version 4
File size : 220 MiB
Duration : 3 min 47 s
Overall bit rate : 8 110 kb/s
Writing application : ShanaEncoder
Writing library : ShanaEncoder
ErrorDetectionType : Per level 1
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L5.1
Format settings : CABAC / 8 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference fra : 8 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 3 min 47 s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Writing library : x264 core 161 r3015 4c2aafd
Encoding settings : opencl=1 / cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=9 / psy=0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=18 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=60 / rc=crf / mbtree=1 / crf=19.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=2:1.00
Default : Yes
Forced : No
Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : A_AAC-2
Duration : 3 min 47 s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Default : Yes
Forced : No
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