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add new paramter ignore_dB= to alsa modules

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This commit is contained in:
Lennart Poettering 2009-01-27 17:55:50 +01:00
parent d5f46e824e
commit 0ca16caff7
5 changed files with 25 additions and 9 deletions
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11
src/modules/alsa/alsa-source.c
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@ -1072,7 +1072,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
size_t frame_size;
snd_pcm_info_t *pcm_info = NULL;
int err;
pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d;
pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d, ignore_dB = FALSE;
pa_source_new_data data;
snd_pcm_info_alloca(&pcm_info);
@ -1116,6 +1116,11 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
goto fail;
}
if (pa_modargs_get_value_boolean(ma, "ignore_dB", &ignore_dB) < 0) {
pa_log("Failed to parse ignore_dB argument.");
goto fail;
}
if (use_tsched && !pa_rtclock_hrtimer()) {
pa_log_notice("Disabling timer-based scheduling because high-resolution timers are not available from the kernel.");
use_tsched = FALSE;
@ -1324,8 +1329,8 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
}
if (suitable) {
if (snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
pa_log_info("Mixer doesn't support dB information.");
if (ignore_dB || snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
pa_log_info("Mixer doesn't support dB information or data is ignored.");
else {
#ifdef HAVE_VALGRIND_MEMCHECK_H
VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));