[FFmpeg-devel] [Ffmpeg-devel] configure misses libdts

Kostya kostya.shishkov
Fri May 4 04:42:40 CEST 2007


On Thu, May 03, 2007 at 10:48:59AM +0200, Diego Biurrun wrote:
> On Wed, May 02, 2007 at 07:50:28PM +0300, Kostya wrote:
> > On Wed, May 02, 2007 at 11:16:16AM +0200, Diego Biurrun wrote:
> > > On Wed, Apr 25, 2007 at 05:55:37AM +0300, Kostya wrote:
> > > > On Wed, Apr 25, 2007 at 01:23:53AM +0200, Diego Biurrun wrote:
> > > > > Also, what about DTS in WAV, does it work?
> > > > 
> > > > With -f dts it does.
> > > 
> > > What does MPlayer do to play it out of the box?
> > 
> > mplayer -demuxer lavf -lavfdopts format=dts file
> > works for me. I will see what can be done to that DTS-in-WAV
> > detection patch.
> 
> Direct support for DTS in WAV would be welcome.
> 
> > > > >  And did anybody compare the
> > > > > performance of the two decoders?
> > > > 
> > > > FFmpeg with native dca support works faster than dtsdec on my PPC.
> > > > Well, code is mostly the same.
> > > 
> > > Does anybody have numbers on x86?
> > 
> > On my PPC with some samples from MPHQ
> > (ffmpeg -benchmark -f dts -i file -f wav -acodec pcm_s16le -y /dev/null):
> > 03_NEUE_MUSIC_BERND_THEWES1_kleine...
> > with libdts: ~22 sec
> > with    dca: ~7 sec
> 
> What did you do to make it work?  Here's what I get:

Maybe that's the case for DCA parser.
I enabled both decoders and then commented ENABLE_DECODER(DCA, dca) in
allcodecs.c for testing libdts decoder.




More information about the ffmpeg-devel mailing list