[MPlayer-DOCS] Re: CVS: main/DOCS/man/en mplayer.1,1.1019,1.1020

[Loren Merritt]

On Tue, 21 Jun 2005, Rich Felker wrote:
> On Mon, Jun 20, 2005, Tobias Diedrich wrote:
>> Guillaume POIRIER wrote:
>>
>>>> +.B vrc_init_occupancy=<0.0\-1.0>
>>>> +initial buffer occupancy, as a fraction of vrc_buf_size (default: 0.9)
>>>
>>> I find this description fairly terse.
>>> You had that on your patch: "rids the first few encoded frames of
>>> their blockyness", but I somehow can't find a good way to explain why
>>> you'd like to play with that parameter... For example, why would you
>>> like to reduce it? I understand fairly well that increasing it always
>>> helps against the first bad black blocs, but other that that... :-(
>>
>> I'd agree, that you probably don't want to change it.
>> The patch "rids the first few encoded frames of their blockyness"
>> because the old default was 0.
>> I took the description from the x264enc section, which already had a
>> 'vbv_init' parameter.
>>
>> How about "This tells the encoder how much data the player will
>> prefetch into its vbv-buffer, before it starts playing"?
>
> AFAIK that's not what it does..
>
> Rich

That's exactly what it does. (Assuming you start playback at the beginning 
of the file.)

--Loren Merritt