Re: Better picture for mplayer-dvb
Nico Sabbi <[email protected]>
| Newsgroups | gmane.comp.video.mplayer.user.dvb |
|---|---|
| Message-ID | <[email protected]> |
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