At Sat, 10 Jun 2006 12:59:15 -0400, Lee Revell wrote: > > On Sat, 2006-06-10 at 11:00 +0100, Adrian McMenamin wrote: > > On Fri, 2006-06-09 at 21:26 -0400, Lee Revell wrote: > > > On Fri, 2006-06-09 at 18:18 -0400, Lee Revell wrote: > > > > I do not have strace on this platform. How can I determine which file > > > > or directory is missing? > > > > > > > > /usr/share/alsa/alsa.conf is present as well as the correct device > > > > node: > > > > > > > > ~ # ls -al /dev/snd/pcmC0D0p > > > > crw-rw---- 1 root 29 116, 16 Jun 9 > > > > 15:54 /dev/snd/pcmC0D0p > > > > > > > > What am I doing wrong? > > > > > > > > > > I found the problem by installing strace on the PPC board. alsa-lib is > > > looking for its config files using the original path from the build > > > host. Either my build environment is still incorrect or it's a bug - > > > probably the former ;-) > > > > > > Once I am done maybe I will write an embedded ALSA HOWTO. > > > > > > Lee > > > > > > > I had/have a very similar problem with the Dreamcast - I can only use > > the oss emulation > > > > Asking about here didn't get me an answer so I await any answers to your > > problem with anticipation... > > > > / # aplay -l > > **** List of PLAYBACK Hardware Devices **** > > aplay: device_list:230: control open (0): Invalid argument > > I don't know how I ever could have solved this without strace - the ALSA > library is a twisty maze of function pointers. Yeah, plugins hell. > Have you looked into > porting strace to your platform? The open/close of all config stuff is done only in src/input.c and output.c. The open of device files is done via snd_open_device() defined in include/local.h. So, checking these entries cover most of open/close operations in alsa-lib. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
