Dùng = yadiff :

General
Complete name                            : Z:\6encode\Test1.mkv
Format                                   : Matroska
Format version                           : Version 2
File size                                : 125 MiB
Duration                                 : 6mn 30s
Overall bit rate                         : 2 680 Kbps
Writing application                      : x264 r2431+42 c69a006 tMod [8-bit@all X86_64]
Writing library                          : Haali Matroska Writer b0

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L4.1
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 12 frames
Codec ID                                 : V_MPEG4/ISO/AVC
Duration                                 : 6mn 30s
Bit rate                                 : 2 626 Kbps
Width                                    : 1 280 pixels
Height                                   : 538 pixels
Display aspect ratio                     : 2.40:1
Frame rate mode                          : Constant
Frame rate                               : 25.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.153
Stream size                              : 122 MiB (98%)
Writing library                          : x264 core 142 r2431+42 c69a006 tMod [8-bit@all X86_64]
Encoding settings                        : cabac=1 / ref=12 / deblock=1:-3:-3 / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / fade_compensate=0.00 / psy_rd=1.10:0.00 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=0 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / fgo=0 / bframes=9 / 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=0 / crf=18.5000 / qcomp=0.60 / qpmin=0:0:0 / qpmax=69:69:69 / qpstep=4 / vbv_maxrate=62500 / vbv_bufsize=78125 / crf_max=0.0 / nal_hrd=none / filler=0 / ip_ratio=1.24 / pb_ratio=1.18 / aq=1:0.65 / aq-sensitivity=10.00 / aq-factor=1.00:1.00:1.00 / aq2=0 / aq3=0
Language                                 : English
Default                                  : Yes
Forced                                   : No
Matrix coefficients                      : BT.709


Dùng QTGMC :


General
Complete name                            : Z:\6encode\Test3.mkv
Format                                   : Matroska
Format version                           : Version 2
File size                                : 122 MiB
Duration                                 : 6mn 29s
Overall bit rate                         : 2 620 Kbps
Writing application                      : x264 r2431+42 c69a006 tMod [8-bit@all X86_64]
Writing library                          : Haali Matroska Writer b0

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L4.1
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 12 frames
Codec ID                                 : V_MPEG4/ISO/AVC
Duration                                 : 6mn 29s
Bit rate                                 : 2 568 Kbps
Width                                    : 1 280 pixels
Height                                   : 538 pixels
Display aspect ratio                     : 2.40:1
Frame rate mode                          : Constant
Frame rate                               : 50.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.075
Stream size                              : 119 MiB (98%)
Writing library                          : x264 core 142 r2431+42 c69a006 tMod [8-bit@all X86_64]
Encoding settings                        : cabac=1 / ref=12 / deblock=1:-3:-3 / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / fade_compensate=0.00 / psy_rd=1.10:0.00 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=0 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / fgo=0 / bframes=8 / 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=0 / crf=17.6000 / qcomp=0.60 / qpmin=0:0:0 / qpmax=69:69:69 / qpstep=4 / vbv_maxrate=62500 / vbv_bufsize=78125 / crf_max=0.0 / nal_hrd=none / filler=0 / ip_ratio=1.24 / pb_ratio=1.18 / aq=1:0.65 / aq-sensitivity=10.00 / aq-factor=1.00:1.00:1.00 / aq2=0 / aq3=0
Language                                 : English
Default                                  : Yes
Forced                                   : No
Matrix coefficients                      : BT.709