[FFmpeg-devel] Official status of FFv1?

[Michael Niedermayer]

On Mon, Mar 22, 2010 at 02:00:36PM -0700, Jason Garrett-Glaser wrote:
> On Mon, Mar 22, 2010 at 1:44 PM, Lars T?uber <lars.taeuber at gmx.net> wrote:
> > Hi there!
> >
> > On Mon, 22 Mar 2010 13:11:24 -0700 Jason Garrett-Glaser <darkshikari at gmail.com> wrote:
> >> Here's some benches for you, Baptiste. ?Source: standard foreman CIF.
> >>
> >> $ ffmpeg -i videos/foreman_cif.y4m -vcodec ffv1 -coder 1 output.avi
> >> frame= ?300 fps= 48 q=0.0 Lsize= ? 19017kB time=10.01 bitrate=15563.4kbits/s
> >> ----------+ 1 Jason None 19473662 Mar 22 13:07 output.avi
> >>
> >> $ ffmpeg -i videos/foreman_cif.y4m -vcodec ffv1 -coder 0 output.avi
> >> frame= ?300 fps= 98 q=0.0 Lsize= ? 19270kB time=10.01 bitrate=15770.5kbits/s
> >> ----------+ 1 Jason None 19732838 Mar 22 13:10 output.avi
> >>
> >> $ ./x264 videos/foreman_cif.y4m --preset veryfast --qp 0 -o test.h264
> >> --threads 1
> >> encoded 300 frames, 75.17 fps, 13583.06 kb/s
> >> ----------+ 1 Jason None 16995802 Mar 22 13:07 test.h264
> >>
> >> $ ./x264 videos/foreman_cif.y4m --preset veryfast --qp 0 -o test.h264
> >> --threads 1 --no-cabac;ls -l test.h264
> >> encoded 300 frames, 161.38 fps, 15550.08 kb/s
> >> ----------+ 1 Jason None 19457036 Mar 22 13:09 test.h264
> >
> > So its time to put P-frame support for FFV1 on the GSoC list, isn't it?
> > Maybe the contribution of suppport for 10bit or 16bit (or weven floating point) colorspaces to ffv1 could be the qualification task?
> >
> > No, I am not smart enough to do this.
> 
> We (me and Loren) have a rough design for an FFV2 which would be
> slightly worse than FFV1 intra-wise but add inter compression and be
> faster than HuffYUV.  It would surely outperform x264.
> 
> If anyone is interested, I can lay out a full design document from my memory.

iam interrested but i doubt i have the motivation or time to implement it,
but i definitly would help with design and implementation if other people
work on it too.



[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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