Hi, At Wed, 15 Jan 2003 00:48:46 +0300, Anton Worshevsky wrote: > > Hello , > > > if someone has VIA8233, VIA8233A, VIA8233C or VIA8235 chipset, could > > you help the testing of the new driver? > > the new driver code is found at > > > > http://www.alsa-project.org/~iwai/via82xx.c > > i has VIA8235 and ALC650 codec. After installing new driver from cvs from > 20030113, there is following problem: > > In 5.1-channel dvd playback with xine using surround51 device, > i has swapped Rear and Center/lfe channels. > RL <-> Center, RR <-> LFE > i fixed this with following patch for via82xx.c > > 812,813c812,815 > < case 5: slots = (1<<0) | (2<<4) | (5<<8) | (3<<12) | (4<<16); break; > < case 6: slots = (1<<0) | (2<<4) | (5<<8) | (6<<12) | (3<<16) | (4<<20); >break; > --- > > // case 5: slots = (1<<0) | (2<<4) | (5<<8) | (3<<12) | (4<<16); break; > > // case 6: slots = (1<<0) | (2<<4) | (5<<8) | (6<<12) | (3<<16) | (4<<20); >break; > > case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; > > case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); >break; > > please note that 5ch mode is untested. > I'm not sure that it is alsa problem, xine' may be.
hmm, it could be due to the setting of ALC650. how is the status of "Exchange Center/LFE" mixer switch? > It will be nice to have a small prog for channel position testing in different > playback modes, because now i know no 5.1ch source other then video player. > In general multichannel playback has good quality now (with rc6 sound was > cracking). > > > the new driver can (hopefully) play multiple streams simultaneously on > > VIA8233, VIA8233C and VIA8235, but NOT on VIA8233A. > > It's worked, but second stream plays only left channel. > > Almost all OSS application such as games (UT, tux-racer and other) now producing > cracking and skipping sound. Only XMMS OSS-plugin plays good. OSS-sound was good > with rc6. does the patch below change something? ciao, Takashi
via-frag-fix.dif
Description: Binary data
