[MPlayer-dvb] Better picture for mplayer-dvb

[Nico Sabbi]

Sebastian wrote:

> Sebastian schrieb:
>
>> Hello!
>>
>> I applied your patch and tried it. One thing is, I get lots of buffer 
>> underflows:
>>
>> [mpeg1video @ 0x83d5a28]removing common factors from framerate
>> VO: [mpegpes] 688x576 => 767x576 Mpeg PES
>> [mpeg1video @ 0x83d5a28]rc buffer underflow0084/90084   0%  0%  0.0% 
>> 0 0 2%
>> [mpeg1video @ 0x83d5a28]rc buffer underflow0085/90085   0%  0%  0.0% 
>> 0 0 3%
>> [mpeg1video @ 0x83d5a28]rc buffer underflow0086/90086   0%  0%  0.0% 
>> 0 0 3%
>>
>> I also increased the gop size to reduce the blocks. I tried
>>
>> lavc_venc_context.gop_size = [2,3,4]; // I-only
>>
>> but it didn't change anything. cmd was:
>>
>>  mplayer -vo mpegpes -ao mpegpes -vop 
>> lavc=9000:25,expand=688:576:-1:-1:1,scale=688:404
>>
>> Can the buffer overflows be the source of the blocks?
>>
>> Sebastian
>
>
>
> Hi,
>
> when the card starts choking the number of buffer underflows 
> drastically increases. Maybe killing the underflows helps? :)
>
> Sebastian
>

it seems counter-intuitive that buffer underflow can raise the bitrate.
Try to only raise the gop size commenting the line that assigns 
max_rate, min_rate and buf_size
without my