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#ifndef fooalsautilhfoo
#define fooalsautilhfoo
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#include <stdbool.h>
#include <alsa/asoundlib.h>
#include "compat.h"
#include "alsa-mixer.h"
enum {
PA_ALSA_ERR_UNSPECIFIED = 1,
PA_ALSA_ERR_UCM_OPEN = 1000,
PA_ALSA_ERR_UCM_NO_VERB = 1001,
PA_ALSA_ERR_UCM_LINKED = 1002
};
int pa_alsa_set_hw_params(
snd_pcm_t *pcm_handle,
pa_sample_spec *ss, /* modified at return */
snd_pcm_uframes_t *period_size, /* modified at return */
snd_pcm_uframes_t *buffer_size, /* modified at return */
snd_pcm_uframes_t tsched_size,
bool *use_mmap, /* modified at return */
bool *use_tsched, /* modified at return */
bool require_exact_channel_number);
int pa_alsa_set_sw_params(
snd_pcm_t *pcm,
snd_pcm_uframes_t avail_min,
bool period_event);
#if 0
/* Picks a working mapping from the profile set based on the specified ss/map */
snd_pcm_t *pa_alsa_open_by_device_id_auto(
const char *dev_id,
char **dev, /* modified at return */
pa_sample_spec *ss, /* modified at return */
pa_channel_map* map, /* modified at return */
int mode,
snd_pcm_uframes_t *period_size, /* modified at return */
snd_pcm_uframes_t *buffer_size, /* modified at return */
snd_pcm_uframes_t tsched_size,
bool *use_mmap, /* modified at return */
bool *use_tsched, /* modified at return */
pa_alsa_profile_set *ps,
pa_alsa_mapping **mapping); /* modified at return */
#endif
/* Uses the specified mapping */
snd_pcm_t *pa_alsa_open_by_device_id_mapping(
const char *dev_id,
char **dev, /* modified at return */
pa_sample_spec *ss, /* modified at return */
pa_channel_map* map, /* modified at return */
int mode,
snd_pcm_uframes_t *period_size, /* modified at return */
snd_pcm_uframes_t *buffer_size, /* modified at return */
snd_pcm_uframes_t tsched_size,
bool *use_mmap, /* modified at return */
bool *use_tsched, /* modified at return */
pa_alsa_mapping *mapping);
/* Opens the explicit ALSA device */
snd_pcm_t *pa_alsa_open_by_device_string(
const char *dir,
char **dev, /* modified at return */
pa_sample_spec *ss, /* modified at return */
pa_channel_map* map, /* modified at return */
int mode,
snd_pcm_uframes_t *period_size, /* modified at return */
snd_pcm_uframes_t *buffer_size, /* modified at return */
snd_pcm_uframes_t tsched_size,
bool *use_mmap, /* modified at return */
bool *use_tsched, /* modified at return */
bool require_exact_channel_number);
/* Opens the explicit ALSA device with a fallback list */
snd_pcm_t *pa_alsa_open_by_template(
char **template,
const char *dev_id,
char **dev, /* modified at return */
pa_sample_spec *ss, /* modified at return */
pa_channel_map* map, /* modified at return */
int mode,
snd_pcm_uframes_t *period_size, /* modified at return */
snd_pcm_uframes_t *buffer_size, /* modified at return */
snd_pcm_uframes_t tsched_size,
bool *use_mmap, /* modified at return */
bool *use_tsched, /* modified at return */
bool require_exact_channel_number);
#if 0
void pa_alsa_dump(pa_log_level_t level, snd_pcm_t *pcm);
void pa_alsa_dump_status(snd_pcm_t *pcm);
#endif
int pa_alsa_close(snd_pcm_t **pcm);
void pa_alsa_refcnt_inc(void);
void pa_alsa_refcnt_dec(void);
void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info);
void pa_alsa_init_proplist_card(pa_core *c, pa_proplist *p, int card);
void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm);
#if 0
void pa_alsa_init_proplist_ctl(pa_proplist *p, const char *name);
#endif
bool pa_alsa_init_description(pa_proplist *p, pa_card *card);
#if 0
int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents);
pa_rtpoll_item* pa_alsa_build_pollfd(snd_pcm_t *pcm, pa_rtpoll *rtpoll);
snd_pcm_sframes_t pa_alsa_safe_avail(snd_pcm_t *pcm, size_t hwbuf_size, const pa_sample_spec *ss);
int pa_alsa_safe_delay(snd_pcm_t *pcm, snd_pcm_status_t *status, snd_pcm_sframes_t *delay, size_t hwbuf_size, const pa_sample_spec *ss, bool capture);
int pa_alsa_safe_mmap_begin(snd_pcm_t *pcm, const snd_pcm_channel_area_t **areas, snd_pcm_uframes_t *offset, snd_pcm_uframes_t *frames, size_t hwbuf_size, const pa_sample_spec *ss);
#endif
char *pa_alsa_get_driver_name(int card);
char *pa_alsa_get_driver_name_by_pcm(snd_pcm_t *pcm);
char *pa_alsa_get_reserve_name(const char *device);
unsigned int *pa_alsa_get_supported_rates(snd_pcm_t *pcm, unsigned int fallback_rate);
pa_sample_format_t *pa_alsa_get_supported_formats(snd_pcm_t *pcm, pa_sample_format_t fallback_format);
bool pa_alsa_pcm_is_hw(snd_pcm_t *pcm);
bool pa_alsa_pcm_is_modem(snd_pcm_t *pcm);
const char* pa_alsa_strerror(int errnum);
#if 0
bool pa_alsa_may_tsched(bool want);
#endif
snd_mixer_elem_t *pa_alsa_mixer_find_card(snd_mixer_t *mixer, struct pa_alsa_mixer_id *alsa_id, unsigned int device);
snd_mixer_elem_t *pa_alsa_mixer_find_pcm(snd_mixer_t *mixer, const char *name, unsigned int device);
snd_mixer_t *pa_alsa_open_mixer(pa_hashmap *mixers, int alsa_card_index, bool probe);
snd_mixer_t *pa_alsa_open_mixer_by_name(pa_hashmap *mixers, const char *dev, bool probe);
snd_mixer_t *pa_alsa_open_mixer_for_pcm(pa_hashmap *mixers, snd_pcm_t *pcm, bool probe);
#if 0
void pa_alsa_mixer_set_fdlist(pa_hashmap *mixers, snd_mixer_t *mixer, pa_mainloop_api *ml);
#endif
void pa_alsa_mixer_free(pa_alsa_mixer *mixer);
typedef struct pa_hdmi_eld pa_hdmi_eld;
struct pa_hdmi_eld {
char monitor_name[17];
};
int pa_alsa_get_hdmi_eld(snd_hctl_elem_t *elem, pa_hdmi_eld *eld);
#endif
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