[MPlayer-dev-eng] [PATCH]SPDIF pass through decoder

Carl Eugen Hoyos cehoyos at ag.or.at
Fri Oct 14 20:26:09 CEST 2011


Hi!

Naoya OYAMA <naoya.oyama <at> gmail.com> writes:

> Patch update.

Thank you for your efforts!

I tested current MPlayer svn with -ac spdifac3, and for me it *only* works if
ac3 audio is inside a transport stream (DVB, MPEG TS) or a program stream (DVD,
MPEG PS) and -demuxer lavf is not used.
It only works if the native demuxers are automatically chosen, if I specify
-demuxer mpegts (or -demuxer mpegps), it also does not work.
The following combinations (all files contain ac3 audio) do not work for me:
mplayer -ac spdifac3 ac3.ts -demuxer lavf
mplayer -ac spdifac3 ac3.mpg -demuxer lavf
mplayer -ac spdifac3 ac3.mkv (both -demuxer mkv and -demuxer lavf)
mplayer -ac spdifac3 ac3.avi (both -demuxer avi and -demuxer lavf)
mplayer -ac spdifac3 ac3.ac3 (both -demuxer rawaudio -rawaudio format=0x2000 and
-demuxer lavf)

Can you reproduce this or do all / some combinations work fine for you?

EAC3 works fine for me, TrueHD and DTS have problems (only work with -novideo
here), but that may be my hardware, I see the same problems with software
decoding and -channels 8 -srate 192000.

Thanks again, Carl Eugen



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