From 31575f7766d6ff39665b64a3a04412eff1c39957 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 17 Jun 2009 03:45:14 +0200 Subject: alsa: rework mixer logic Completely rework mixer logic. This now allows controlling a full set of elements from a single sink's volume slider/mute button. This also introduces sink and source "ports" that can be used to choose different input or output ports with the UI. (i.e. "mic"/"line-in" or "speaker"/"headphones". The mixer paths and device maps are now configered in external configuration files and can be tweaked as necessary. --- src/modules/alsa/alsa-util.h | 116 ++++++++++++++++++++----------------------- 1 file changed, 53 insertions(+), 63 deletions(-) (limited to 'src/modules/alsa/alsa-util.h') diff --git a/src/modules/alsa/alsa-util.h b/src/modules/alsa/alsa-util.h index 27f43712..4993f454 100644 --- a/src/modules/alsa/alsa-util.h +++ b/src/modules/alsa/alsa-util.h @@ -30,95 +30,86 @@ #include #include #include +#include +#include #include #include #include -typedef struct pa_alsa_fdlist pa_alsa_fdlist; - -struct pa_alsa_fdlist *pa_alsa_fdlist_new(void); -void pa_alsa_fdlist_free(struct pa_alsa_fdlist *fdl); -int pa_alsa_fdlist_set_mixer(struct pa_alsa_fdlist *fdl, snd_mixer_t *mixer_handle, pa_mainloop_api* m); +#include "alsa-mixer.h" int pa_alsa_set_hw_params( snd_pcm_t *pcm_handle, - pa_sample_spec *ss, - uint32_t *periods, - snd_pcm_uframes_t *period_size, + pa_sample_spec *ss, /* modified at return */ + uint32_t *periods, /* modified at return */ + snd_pcm_uframes_t *period_size, /* modified at return */ snd_pcm_uframes_t tsched_size, - pa_bool_t *use_mmap, - pa_bool_t *use_tsched, + pa_bool_t *use_mmap, /* modified at return */ + pa_bool_t *use_tsched, /* modified at return */ pa_bool_t require_exact_channel_number); -int pa_alsa_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min); - -typedef struct pa_alsa_profile_info { - pa_channel_map map; - const char *alsa_name; - const char *alsa_name_fallback; - const char *description; /* internationalized */ - const char *name; - unsigned priority; - const char *playback_control_name, *playback_control_fallback; - const char *record_control_name, *record_control_fallback; -} pa_alsa_profile_info; - -int pa_alsa_prepare_mixer(snd_mixer_t *mixer, const char *dev); -snd_mixer_elem_t *pa_alsa_find_elem(snd_mixer_t *mixer, const char *name, const char *fallback, pa_bool_t playback); -int pa_alsa_find_mixer_and_elem(snd_pcm_t *pcm, char **ctl_device, snd_mixer_t **_m, snd_mixer_elem_t **_e, const char *control_name, const pa_alsa_profile_info*profile); +int pa_alsa_set_sw_params( + snd_pcm_t *pcm, + snd_pcm_uframes_t avail_min); -void pa_alsa_init_proplist_ctl(pa_proplist *p, const char *name); - -/* Picks a working profile based on the specified ss/map */ +/* 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, - pa_sample_spec *ss, - pa_channel_map* map, + char **dev, /* modified at return */ + pa_sample_spec *ss, /* modified at return */ + pa_channel_map* map, /* modified at return */ int mode, - uint32_t *nfrags, - snd_pcm_uframes_t *period_size, + uint32_t *nfrags, /* modified at return */ + snd_pcm_uframes_t *period_size, /* modified at return */ snd_pcm_uframes_t tsched_size, - pa_bool_t *use_mmap, - pa_bool_t *use_tsched, - const pa_alsa_profile_info **profile); + pa_bool_t *use_mmap, /* modified at return */ + pa_bool_t *use_tsched, /* modified at return */ + pa_alsa_profile_set *ps, + pa_alsa_mapping **mapping); /* modified at return */ -/* Uses the specified profile */ -snd_pcm_t *pa_alsa_open_by_device_id_profile( +/* Uses the specified mapping */ +snd_pcm_t *pa_alsa_open_by_device_id_mapping( const char *dev_id, - char **dev, - pa_sample_spec *ss, - pa_channel_map* map, + char **dev, /* modified at return */ + pa_sample_spec *ss, /* modified at return */ + pa_channel_map* map, /* modified at return */ int mode, - uint32_t *nfrags, - snd_pcm_uframes_t *period_size, + uint32_t *nfrags, /* modified at return */ + snd_pcm_uframes_t *period_size, /* modified at return */ snd_pcm_uframes_t tsched_size, - pa_bool_t *use_mmap, - pa_bool_t *use_tsched, - const pa_alsa_profile_info *profile); + pa_bool_t *use_mmap, /* modified at return */ + pa_bool_t *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 *device, - char **dev, - pa_sample_spec *ss, - pa_channel_map* map, + char **dev, /* modified at return */ + pa_sample_spec *ss, /* modified at return */ + pa_channel_map* map, /* modified at return */ int mode, - uint32_t *nfrags, - snd_pcm_uframes_t *period_size, + uint32_t *nfrags, /* modified at return */ + snd_pcm_uframes_t *period_size, /* modified at return */ snd_pcm_uframes_t tsched_size, - pa_bool_t *use_mmap, - pa_bool_t *use_tsched, + pa_bool_t *use_mmap, /* modified at return */ + pa_bool_t *use_tsched, /* modified at return */ pa_bool_t require_exact_channel_number); -int pa_alsa_probe_profiles( +/* Opens the explicit ALSA device with a fallback list */ +snd_pcm_t *pa_alsa_open_by_device_string_strv( + char **device, const char *dev_id, - const pa_sample_spec *ss, - void (*cb)(const pa_alsa_profile_info *sink, const pa_alsa_profile_info *source, void *userdata), - void *userdata); - -int pa_alsa_calc_mixer_map(snd_mixer_elem_t *elem, const pa_channel_map *channel_map, snd_mixer_selem_channel_id_t mixer_map[], pa_bool_t playback); + char **dev, /* modified at return */ + pa_sample_spec *ss, /* modified at return */ + pa_channel_map* map, /* modified at return */ + int mode, + uint32_t *nfrags, /* modified at return */ + snd_pcm_uframes_t *period_size, /* modified at return */ + snd_pcm_uframes_t tsched_size, + pa_bool_t *use_mmap, /* modified at return */ + pa_bool_t *use_tsched, /* modified at return */ + pa_bool_t 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); @@ -128,7 +119,8 @@ void pa_alsa_redirect_errors_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, snd_mixer_elem_t *elem); +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); pa_bool_t pa_alsa_init_description(pa_proplist *p); int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents); @@ -140,13 +132,11 @@ int pa_alsa_safe_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delay, size_t hwbuf_si 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); pa_bool_t pa_alsa_pcm_is_hw(snd_pcm_t *pcm); - pa_bool_t pa_alsa_pcm_is_modem(snd_pcm_t *pcm); const char* pa_alsa_strerror(int errnum); -- cgit