izna - IZNA 4K 2160P MP4 完整视频信息与参数详解

**一部近3分钟、高达4K画质的IZNA音乐视频，文件信息全解析。**

File Information

Complete name: I:ougaoizna – IZNA【Bugs 2160p】.mp4

General

Format: MPEG-4
Format profile: Base Media
Codec ID: isom (isom/iso2/avc1/mp41)
File size: 871 MiB
Duration: 2 min 55 s
Overall bit rate: 41.5 Mb/s
Frame rate: 23.976 FPS
Writing application: Bugs

Video

ID: 1
Format: AVC
Format/Info: Advanced Video Codec
Format profile: High@L4
Format settings: CABAC / 4 Ref Frames
Format settings, CABAC: Yes
Format settings, Reference frames: 4 frames
Codec ID: avc1
Codec ID/Info: Advanced Video Coding
Duration: 2 min 55 s
Bit rate: 41.4 Mb/s
Width: 3,840 pixels
Height: 2,160 pixels
Display aspect ratio: 16:9
Frame rate mode: Constant
Frame rate: 23.976 (24000/1001) FPS
Color space: YUV
Chroma subsampling: 4:2:0
Bit depth: 8 bits
Scan type: Progressive
Bits/(Pixel*Frame): 0.208
Stream size: 867 MiB (100%)
Title: Core Media Video
Writing library: x264 core 142 r2438 af8e768
Encoding settings: cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x3:0x113 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=60 / lookahead_threads=10 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=2 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=48 / keyint_min=25 / scenecut=0 / intra_refresh=0 / rc_lookahead=48 / rc=crf / mbtree=1 / crf=17.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Language: English
Color range: Limited
Color primaries: BT.709
Transfer characteristics: BT.709
Matrix coefficients: BT.709
Codec configuration box: avcC