#ifndef fooalsautilhfoo #define fooalsautilhfoo /*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering Copyright 2006 Pierre Ossman 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 . ***/ #include #include #include #include #include #include #include #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); /* 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 */ /* 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); void pa_alsa_dump(pa_log_level_t level, snd_pcm_t *pcm); void pa_alsa_dump_status(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); void pa_alsa_init_proplist_ctl(pa_proplist *p, const char *name); bool pa_alsa_init_description(pa_proplist *p, pa_card *card); 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); 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); bool pa_alsa_may_tsched(bool want); snd_mixer_elem_t *pa_alsa_mixer_find_card(snd_mixer_t *mixer, const char *name, 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); void pa_alsa_mixer_set_fdlist(pa_hashmap *mixers, snd_mixer_t *mixer, pa_mainloop_api *ml); 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