From ff58fa8870a62c88dba0fb26a77331e1f27c73a8 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 18 Feb 2009 21:49:31 +0100 Subject: simplify pa_alsa_init_proplist_pcm() a bit and include resolution bits in alsa device props --- src/modules/alsa/alsa-util.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) (limited to 'src/modules/alsa/alsa-util.c') diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c index d7caa0f0..7cecfd15 100644 --- a/src/modules/alsa/alsa-util.c +++ b/src/modules/alsa/alsa-util.c @@ -37,6 +37,7 @@ #include #include #include +#include #include "alsa-util.h" @@ -1361,7 +1362,7 @@ void pa_alsa_init_proplist_card(pa_core *c, pa_proplist *p, int card) { #endif } -void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info) { +void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info) { static const char * const alsa_class_table[SND_PCM_CLASS_LAST+1] = { [SND_PCM_CLASS_GENERIC] = "generic", @@ -1427,6 +1428,28 @@ void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_i pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, n); } +void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm) { + snd_pcm_hw_params_t *hwparams; + snd_pcm_info_t *info; + int bits, err; + + snd_pcm_hw_params_alloca(&hwparams); + snd_pcm_info_alloca(&info); + + if ((err = snd_pcm_hw_params_current(pcm, hwparams)) < 0) + pa_log_warn("Error fetching hardware parameter info: %s", snd_strerror(err)); + else { + + if ((bits = snd_pcm_hw_params_get_sbits(hwparams)) >= 0) + pa_proplist_setf(p, "alsa.resolution_bits", "%i", bits); + } + + if ((err = snd_pcm_info(pcm, info)) < 0) + pa_log_warn("Error fetching PCM info: %s", snd_strerror(err)); + else + pa_alsa_init_proplist_pcm_info(c, p, info); +} + int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents) { snd_pcm_state_t state; int err; -- cgit