转换成60多M的码率的H264竟然能流畅播放，这个源文件就很卡，有人能帮忙指出哪个参数对CPU负载重吗？FPS都是60

D:\迅雷下载\少女时代' Twinkle 120613 [1080P][60FPS].mkv
General
Unique ID : 249103134448953550679485397160899457317 (0xBB6784C2281C9BA9B253932885613125)
Complete name : D:\迅雷下载\少女时代' Twinkle 120613 [1080P][60FPS].mkv
Format : Matroska
Format version : Version 2
File size : 657 MiB
Duration : 3mn 26s
Overall bit rate : 26.7 Mbps
Encoded date : UTC 2012-06-12 11:56:13
Writing application : mkvmerge v5.6.0 ('Kenya Kane') built on May 27 2012 16:44:04
Writing library : libebml v1.2.3 + libmatroska v1.3.0

Video #1
ID : 1

中心截图：
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email][email protected][/email]
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 3mn 26s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 59.940 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Writing library : x264 core 125 r2200 999b753
Encoding settings : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=umh / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=1 / ※※※dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-2 / threads=6 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=0 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=599 / keyint_min=59 / scenecut=40 / intra_refresh=0 / rc_lookahead=60 / rc=crf / mbtree=1 / crf=23.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Default : Yes
Forced : No

本帖最后由 发烧钉 于 2012-10-21 19:19 编辑

主要是26M的码率解码要求高些，硬解好很多，软解CPU估计要4核（双核4线程也行）3G主频的，估算CPU占有率在40－50％吧