Here we go again,
Am Dienstag, 28. Oktober 2003 19:25 schrieb Takashi Iwai:
> > hmm, then something wrong in the converter routine...
> > needs to take a deeper look.
>
> i found a bug regarding the plugin but it must be another bug from the
> above problem.
>
> segfault is a bit puzzling. could you try the attached patch to see
> the parameters? or, even better, check the values in gdb's
> backtrace.
Building audio filter chain for 44100Hz/2ch/16bit -> 44100Hz/2ch/16bit...
Video: no video
Starting playback...
XXX linear_convert: dst=0x104d3dc0/0, src=0x7fffc020/0, ch=2,
frames=16384, idx=35
===========
gdb:
Starting playback...
XXX linear_convert: dst=0x104d1f18/0, src=0x7fffcf40/0, ch=2,
frames=16384, idx= 35
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 14666)]
snd_pcm_linear_convert (dst_areas=0x104d1f18, dst_offset=0,
src_areas=0x7fffcf40, src_offset=0, channels=2, frames=16384,
convidx=35)
at plugin_ops.h:299
299 conv_1234_xx21: as_u16(dst) = bswap_16(as_u32c(src) >> 16); goto
CONV_EN D;
(gdb) bt
#0 snd_pcm_linear_convert (dst_areas=0x104d1f18, dst_offset=0,
src_areas=0x7fffcf40, src_offset=0, channels=2, frames=16384,
convidx=35)
at plugin_ops.h:299
#1 0x0fd4326c in snd_pcm_linear_convert (dst_areas=0x104d1f18,
dst_offset=0,
src_areas=0x7fffcf40, src_offset=0, channels=2, frames=16384,
convidx=35)
at pcm_linear.c:170
#2 0x0fd41838 in snd_pcm_plugin_write_areas (pcm=0x0, areas=0x7fffcf40,
offset=2, size=2147471168) at pcm_plugin.c:365
#3 0x0fd37dc4 in snd_pcm_write_areas (pcm=0x23, areas=0x104db86c,
offset=2,
size=2147471168, func=0) at pcm.c:6206
#4 0x0fd41c44 in snd_pcm_plugin_writei (pcm=0x104d1f18, buffer=0x4,
size=2147471168) at pcm_plugin.c:436
#5 0x0fd30c6c in snd_pcm_writei (pcm=0x0, buffer=0x0, size=0)
at pcm_local.h:368
#6 0x10078718 in outputaudio ()
#7 0x1007837c in outputaudio ()
#8 0x1002ed74 in main ()
==================================
>
>
> also, what happens if running mplayer with mmap option, i.e.
>
> % mplayer -ao alsa9:emi26:mmap
>
horrible, distorted sound: (sounds like computer is too slow to deliver
the samples)
ALSA lib pcm_hw.c:494:(snd_pcm_hw_start) SNDRV_PCM_IOCTL_START failed: Die
Dateizugriffsnummer ist ein schlechter Verfassung
meaning: "File descriptor in bad state" (whoever sneaked in this
translation...)
Have fun
Niklas
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