On Sun, 23 Jul 2006 23:28:53 +0200 Hans Verkuil <[EMAIL PROTECTED]> wrote:
> On Sunday 23 July 2006 12:42, Benjamin Zores wrote: > > On Wed, 12 Jul 2006 23:28:43 +0200 > > > > Benjamin Zores <[EMAIL PROTECTED]> wrote: > > > On Wed, 12 Jul 2006 22:00:17 +0200 > > > > > > Hans Verkuil <[EMAIL PROTECTED]> wrote: > > > > The sound on the audio out of the PVR350 is output by the MPEG > > > > decoder of the card. There is no way of feeding it a separate > > > > audio uncompressed (or compressed for that matter) stream. You > > > > give it a MPEG program stream (I'm not even sure if it can handle > > > > a transport stream) and it will demultiplex and uncompress it and > > > > put the audio on the audio out connector. > > > > > > Ok, btw, which formats are supported by the decoder ? > > > MPEG PES only ? > > > > > > What about AC3, MPEG1 audio, MPEG2 audio or LPCM ? > > > > Sorry to insist but same question again. > > My ao/vo driver for MPlayer are almost working (fine for vo, ao needs > > a bit more tweaking). Does the card supports h/w decoding of AC3/LPCM > > ? > > I've never tested it but I'm 99% certain that it isn't supported. Only > MPEG1/2 audio is supported. That's also what i've feared. I've tried sending nearly any combination of AC3/LPCM packets but none seemed to be readable. I now need to write an MPEG audio transcoder then. > > Can someone point me to decoder's specifications or properties ? > > The cx23415/6 driver is reversed engineered, no official datasheets are > available. The reversed engineered documentation is available in the > doc directory of the driver (you probably want the fw-decoder-api.txt > file). Well i wasn't looking for datasheet, just information on what the chip is supposed to handle. Anyhow, thanks a lot. Ben -- "My life, and by extension everyone else's is meaningless." Bender, Futurama _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
