[FFmpeg-devel] [PATCH] RTMP: Return from rtmp_read as soon as some data is available

Kostya kostya.shishkov
Fri Jun 18 13:58:40 CEST 2010


On Fri, Jun 18, 2010 at 02:42:58PM +0300, Martin Storsj? wrote:
> On Fri, 18 Jun 2010, Kostya wrote:
> 
> > On Fri, Jun 18, 2010 at 02:31:06PM +0300, Martin Storsj? wrote:
> > > Hi,
> > > 
> > > This changes rtmp_read to return as soon as some data is available, 
> > > instead of returning only when the whole request buffer is filled. The 
> > > earlier behaviour lead to high latency when receiving low-bandwidth 
> > > streams.
> > 
> > Arbetar det med FFmpeg FLV demuxer? Kanske bra.
> 
> Jo, den fungerar fint med libavformats flv demuxer. :-)
> 
> It's all wrapped in an ByteIOContext for the demuxers anyway, and accessed 
> through fill_buffer() (which is allowed to return as soon as it has read 
> at least one byte as far as I understand it) or get_buffer() which loops 
> until it has got as much data as it needs. The problem it fixes is that 
> fill_buffer requests a 32k buffer, which blocks for way too long when the 
> packets themselves are much shorter.

fint
 
> // Martin



More information about the ffmpeg-devel mailing list