[SDL] SDL ALSA on arm (with uclibc)
Aviv Laufer
aviv at notalvision.com
Wed Aug 1 05:38:07 PDT 2007
More info
Alsa is 1.0.14a
In SDL_alsa_audio.c
static unsigned int (*SDL_NAME(snd_pcm_hw_params_set_rate_near))(snd_pcm_t
*pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir);
static snd_pcm_uframes_t
(*SDL_NAME(snd_pcm_hw_params_set_period_size_near))(snd_pcm_t *pcm,
snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int *dir);
static unsigned int
(*SDL_NAME(snd_pcm_hw_params_set_periods_near))(snd_pcm_t *pcm,
snd_pcm_hw_params_t *params, unsigned int val, int *dir);
The val param should be by reference &val.
After I fixed it there are no more crashes. However I still can not play any
music, there are problems in both hw and sw parameter setup.
I'll try to look into it however I very new to alsa programming.
Aviv
-----Original Message-----
From: sdl-bounces at lists.libsdl.org [mailto:sdl-bounces at lists.libsdl.org] On
Behalf Of Sam Lantinga
Sent: Tuesday, 31 July, 2007 19:15
To: A list for developers using the SDL library. (includes SDL-announce)
Subject: Re: [SDL] SDL ALSA on arm (with uclibc)
> Hi,
> I have build SDL with uclibc and alsa enables on an arm device (pxa270).
> SDL video is working great . However when I try to run the loopwav
> sample I get a seg fault (attached strace log).
Any chance of a stack trace? Or failing that, you can sprinkle print
statements in SDL audio code until you figure out where it's crashing...
See ya!
-Sam Lantinga, Lead Software Engineer, Blizzard Entertainment
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