stats.dat

H264视频编解码程序

 -------------------------------------------------------------- 
  This file contains statistics for the last encoded sequence   
 -------------------------------------------------------------- 
 Sequence                     : foreman_part_qcif.yuv
 No.of coded pictures         :    3
 Freq. for encoded bitstream  :   30
 I Slice Bitrate(kb/s)        : 207.28
 P Slice Bitrate(kb/s)        :  79.44
 B Slice Bitrate(kb/s)        :  23.68
 Total Bitrate(kb/s)          : 312.16
 Hadamard transform           : Used
 Image format                 : 176x144
 Error robustness             : Off
 Search range                 : 16
 Total number of references   : 5
 References for P slices      : 5
 List0 refs for B slices      : 5
 List1 refs for B slices      : 1
 Entropy coding method        : CABAC
 Profile/Level IDC            : (100,40)
 Search range restrictions    : none
 RD-optimized mode decision   : used
 ---------------------|----------------|---------------|
     Item             |     Intra      |   All frames  |
 ---------------------|----------------|---------------|
 SNR Y(dB)            | 37.47          | 36.85         |
 SNR U/V (dB)         | 41.32/42.99    | 41.02/42.60   |
 Average quant        |    28          | 28.00         |

 ---------------------|----------------|---------------|---------------|
     SNR              |        I       |       P       |       B       |
 ---------------------|----------------|---------------|---------------|
 SNR Y(dB)            |      37.468    |     36.832    |     36.245    |
 SNR U(dB)            |      41.323    |     40.803    |     40.922    |
 SNR V(dB)            |      42.994    |     42.298    |     42.522    |

 ---------------------|----------------|
   Intra              |   Mode used    |
 ---------------------|----------------|
 Mode 0  intra 4x4    |     61         |
 Mode 1  intra 8x8    |     35         |
 Mode 2+ intra 16x16  |      3         |
 Mode    intra IPCM   |      0         |

 ---------------------|----------------|-----------------|
   Inter              |   Mode used    | MotionInfo bits |
 ---------------------|----------------|-----------------|
 Mode  0  (copy)      |     18         |        0.00     |
 Mode  1  (16x16)     |     19         |      148.00     |
 Mode  2  (16x8)      |      9         |      172.00     |
 Mode  3  (8x16)      |     13         |      187.00     |
 Mode  4  (8x8)       |     22         |     1032.00     |
 Mode  5  intra 4x4   |      8         |-----------------|
 Mode  6  intra 8x8   |      9         |
 Mode  7+ intra 16x16 |      1         |
 Mode     intra IPCM  |      0         |

 ---------------------|----------------|-----------------|
   B frame            |   Mode used    | MotionInfo bits |
 ---------------------|----------------|-----------------|
 Mode  0  (copy)      |     47         |        0.00     |
 Mode  1  (16x16)     |     27         |      250.00     |
 Mode  2  (16x8)      |      9         |      193.00     |
 Mode  3  (8x16)      |      9         |      182.00     |
 Mode  4  (8x8)       |      7         |      279.00     |
 Mode  5  intra 4x4   |      0         |-----------------|
 Mode  6  intra 8x8   |      0         |
 Mode  7+ intra 16x16 |      0         |
 Mode     intra IPCM  |      0         |

 ---------------------|----------------|----------------|----------------|
  Bit usage:          |      Intra     |      Inter     |    B frame     |
 ---------------------|----------------|----------------|----------------|
 Header               |      32.00     |      32.00     |      32.00     |
 Mode                 |     122.00     |     432.00     |     378.00     |
 Motion Info          |        ./.     |    1539.00     |     904.00     |
 CBP Y/C              |     337.00     |     284.00     |     143.00     |
 Coeffs. Y            |   18558.00     |    5272.00     |     839.00     |
 Coeffs. C            |    1612.00     |     321.00     |       9.00     |
 Delta quant          |       9.00     |       8.00     |       4.00     |
 Stuffing Bits        |      10.00     |      12.00     |       6.00     |
 ---------------------|----------------|----------------|----------------|
 average bits/frame   |   20680.00     |    7900.00     |    2315.00     |
 ---------------------|----------------|----------------|----------------|