[Mplayer-dvb] LPCM PES
Arpi
arpi at thot.banki.hu
Tue Jan 22 03:05:24 CET 2002
Hi,
Thank you for the info, I've added support to mplayer. And also
rewrote/cleanup my old messy LPCM code.
> mocm at convergence.de writes:
> >
> > 3) The LPCM header is as follows:
> > id 8 bit
> > number of frames 8 bit
> > first acces unit pointer, i.e. start of audio frame 16 bit
> > audio emphasis on-off 1 bit
> > audio mute on-off 1 bit
> > reserved 1 bit
> > audio frame number 5 bit
> > quantization word length 2 bit
> > audio sampling frequency (48khz = 0, 96khz = 1) 2 bit
> > reserved 1 bit
> > number of audio channels - 1 (e.g. stereo = 1) 3 bit
> > dynamic range control (0x80 if off) 8 bit
> >
>
> Ok, we found out that the we can play 32 and 44 kHz lpcm.
> So we added that to the header as 44kHz = 2 and 32kHz = 3.
> I added support for that to ntuxplayer. You can find a routine called
> pcm_play in apps/tuxzap/src/dvb_formats.c in the driver package.
>
> Marcus
A'rpi / Astral & ESP-team
--
mailto:arpi at thot.banki.hu
http://esp-team.scene.hu
More information about the MPlayer-dvb
mailing list