On 28.01.2012 04:58, Mickaël Maillot wrote:
2012/1/25 Alexander Motin <m...@freebsd.org <mailto:m...@freebsd.org>>Commenting it appeared not good, as at least mplayer doesn't sets channels for AC3. That makes sound(4) use default 1 channel for AC3, that is definitely not supported. I believe this should be better: http://svn.freebsd.org/__changeset/base/230537 <http://svn.freebsd.org/changeset/base/230537> Also, as soon as sound(4) interprets 8 channel as 7.1 by default, I've changed previous patch a bit to allow both "8.0" and "7.1" AC3 formats: http://svn.freebsd.org/__changeset/base/230513 <http://svn.freebsd.org/changeset/base/230513> thank, i can set 8 channels without vchan now. For me this at least doesn't break normal AC3 operation and when I hacked mplayer to set 8 channels, I can see predictable codec configuration and time in mplayer predictably running 4 times faster. Unluckily mplayer seems doesn't support TrueHD passthrough to ckeck closer -- it always does decoding. ok i think i found the problem: in http://svn.freebsd.org/changeset/base/230511 cchn is equal to 7 for me if i set SNDCTL_DSP_CHANNELS to 8. and it's why HBR bit is not set. it's confirmed in my /v/l/messages where chan_count=0x7: Jan 28 03:23:53 htpc kernel: hdac1: 24576Kbps of 92160Kbps bandwidth used Jan 28 03:23:53 htpc kernel: pcm4: PCMDIR_PLAY: Stream setup fmt=02800400 (7.1) speed=192000 Jan 28 03:23:53 htpc kernel: pcm4: PCMDIR_PLAY: Stream setup nid=4: fmt=0x1817, dfmt=0x0021, chan=0x0010, chan_count=0x07, stripe=1
You are right. Fixed: http://svn.freebsd.org/changeset/base/230641 Thank you! -- Alexander Motin _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
