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aplay - show sample arrangement (mmap areas) in verbose more for debugging

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2008-09-09 12:53:28 +02:00
parent 3b8bdeb3fc
commit 6bd621177d
1 changed files with 16 additions and 0 deletions
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16
aplay/aplay.c
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@ -1073,6 +1073,22 @@ static void set_params(void)
if (hwparams.channels != 2 || !interleaved || verbose > 2)
vumeter = VUMETER_MONO;
}
/* show mmap buffer arragment */
if (mmap_flag && verbose) {
const snd_pcm_channel_area_t *areas;
snd_pcm_uframes_t offset;
int i;
err = snd_pcm_mmap_begin(handle, &areas, &offset, &chunk_size);
if (err < 0) {
error("snd_pcm_mmap_begin problem: %s", snd_strerror(err));
exit(EXIT_FAILURE);
}
for (i = 0; i < hwparams.channels; i++)
fprintf(stderr, "mmap_area[%i] = %p,%u,%u (%u)\n", i, areas[i].addr, areas[i].first, areas[i].step, snd_pcm_format_physical_width(hwparams.format));
/* not required, but for sure */
snd_pcm_mmap_commit(handle, offset, 0);
}
}
#ifndef timersub