4、关闭QP、GMC、B-VOPs ，仅仅使用IF和PF进行压制
DRF评测：
FourCC: XVID
Codec: XviD0037
Resolution: [ Width: 740 Height: 416 ]
Frame Rate: 23.976 frames per second
The Video has 8474 frames [ 00:05:53 ]
Average Frame quality is HIGH [Average DRF/quantizer is 2.65]
Standard Deviation: Quality is HIGH [Std. Deviation is 0.49]
Image Resolution is HIGH
There are NO frame drops ( NO drops is better )
Recomended Resolution: [752x416] (Target DRF/quantizer=2.8)
The filesize can be smaller!
Performance Caracteristics:
This video seems to have too FEW Keyframes. May degrade image quality and seeking.
Macroblocks per frame: 1196 ( Poor Playback in Slow Computers, PIII450 or better required )
The Width is not multiple of 32. May degrade performance in some systems.
Kilobits per Second: 2971.21
Kilobits per Frame: 123.77
Kilobits per Macroblock: 0.103
Bits per Pixel: 0.41
Frame Type Statistics :
I Frames: 0.45%
P Frames: 99.55%
B Frames: 0.00%
S Frames: 0.00%
N Frames: 0.00%
(More Advanced Codecs use B and S frames)
Frame Quality Statistics :
DRF=1&2: 2944 34.9%
DRF=3: 5478 64.9%
DRF=4: 14 0.2%
DRF=5: 0 0.0%
DRF=6: 0 0.0%
DRF=7: 0 0.0%
DRF=8: 0 0.0%
DRF=9: 0 0.0%
DRF>9: 0 0.0%
KeyF/DeltaF: 0.45%
KeyDRF<4: 37
KeyDRF=4: 0
KeyDRF>4: 1
AverageKeyDRF: 1.97
MAXDRF: 4
AverageDRF: 2.65
Deviation: 0.49
DRF评测：
FourCC: XVID
Codec: XviD0037
Resolution: [ Width: 740 Height: 416 ]
Frame Rate: 23.976 frames per second
The Video has 8474 frames [ 00:05:53 ]
Average Frame quality is HIGH [Average DRF/quantizer is 2.65]
Standard Deviation: Quality is HIGH [Std. Deviation is 0.49]
Image Resolution is HIGH
There are NO frame drops ( NO drops is better )
Recomended Resolution: [752x416] (Target DRF/quantizer=2.8)
The filesize can be smaller!
Performance Caracteristics:
This video seems to have too FEW Keyframes. May degrade image quality and seeking.
Macroblocks per frame: 1196 ( Poor Playback in Slow Computers, PIII450 or better required )
The Width is not multiple of 32. May degrade performance in some systems.
Kilobits per Second: 2971.21
Kilobits per Frame: 123.77
Kilobits per Macroblock: 0.103
Bits per Pixel: 0.41
Frame Type Statistics :
I Frames: 0.45%
P Frames: 99.55%
B Frames: 0.00%
S Frames: 0.00%
N Frames: 0.00%
(More Advanced Codecs use B and S frames)
Frame Quality Statistics :
DRF=1&2: 2944 34.9%
DRF=3: 5478 64.9%
DRF=4: 14 0.2%
DRF=5: 0 0.0%
DRF=6: 0 0.0%
DRF=7: 0 0.0%
DRF=8: 0 0.0%
DRF=9: 0 0.0%
DRF>9: 0 0.0%
KeyF/DeltaF: 0.45%
KeyDRF<4: 37
KeyDRF=4: 0
KeyDRF>4: 1
AverageKeyDRF: 1.97
MAXDRF: 4
AverageDRF: 2.65
Deviation: 0.49
截图：
