[MEncoder-users] can someone tell me what "Format settings, ReFrames : 2 frames" means?

[Grozdan]

On Tue, Jun 22, 2010 at 5:47 PM, U. George <netbeans at gatworks.com> wrote:
>
>
> On 06/22/2010 10:58 AM, Andy Furniss wrote:
>>
>> bash-3.2$ mediainfo 00000.MTS
>
> NEAT little toy!
>
> can someone tell me what "Format settings, ReFrames : 2 frames" means?

Reference Frames

>
>
>> [gat at MyLaptop mplayer]$ mediainfo
>> /home/gat/DIESEL/TEST_FP24/PF24_30Seconds.MTS
>> General
>> ID                               : 0
>> Complete name                    :
>> /home/gat/DIESEL/TEST_FP24/PF24_30Seconds.MTS
>> Format                           : BDAV
>> Format/Info                      : Blu-ray Video
>> File size                        : 87.5 MiB
>> Duration                         : 30s 510ms
>> Overall bit rate                 : 24.1 Mbps
>> Maximum Overall bit rate         : 24.0 Mbps
>>
>> Video
>> ID                               : 4113 (0x1011)
>> Menu ID                          : 1 (0x1)
>> Format                           : AVC
>> Format/Info                      : Advanced Video Codec
>> Format profile                   : High at L4.0
>> Format settings, CABAC           : Yes
>> Format settings, ReFrames        : 2 frames
>> Duration                         : 30s 397ms
>> Bit rate mode                    : Variable
>> Bit rate                         : 22.8 Mbps
>> Maximum bit rate                 : 22.7 Mbps
>> Width                            : 1 920 pixels
>> Height                           : 1 080 pixels
>> Display aspect ratio             : 16:9
>> Frame rate                       : 29.970 fps
>> Color space                      : YUV
>> Chroma subsampling               : 4:2:0
>> Bit depth                        : 8 bits
>> Scan type                        : Interlaced
>> Scan order                       : Top Field First
>> Bits/(Pixel*Frame)               : 0.367
>> Stream size                      : 82.8 MiB (95%)
>
> _______________________________________________
> MEncoder-users mailing list
> MEncoder-users at mplayerhq.hu
> https://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
>