diff options
Diffstat (limited to 'src/modules/alsa-util.h')
| -rw-r--r-- | src/modules/alsa-util.h | 72 |
1 files changed, 62 insertions, 10 deletions
diff --git a/src/modules/alsa-util.h b/src/modules/alsa-util.h index 215844b4..4de8bcd2 100644 --- a/src/modules/alsa-util.h +++ b/src/modules/alsa-util.h @@ -1,21 +1,22 @@ #ifndef fooalsautilhfoo #define fooalsautilhfoo -/* $Id$ */ - /*** 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 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 @@ -26,20 +27,71 @@ #include <pulse/sample.h> #include <pulse/mainloop-api.h> - #include <pulse/channelmap.h> +#include <pulse/proplist.h> -struct pa_alsa_fdlist; +#include <pulsecore/rtpoll.h> + +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); -int pa_alsa_fdlist_init_pcm(struct pa_alsa_fdlist *fdl, snd_pcm_t *pcm_handle, pa_mainloop_api* m, void (*cb)(void *userdata), void *userdata); -int pa_alsa_fdlist_init_mixer(struct pa_alsa_fdlist *fdl, snd_mixer_t *mixer_handle, pa_mainloop_api* m); +int pa_alsa_set_hw_params( + snd_pcm_t *pcm_handle, + pa_sample_spec *ss, + uint32_t *periods, + snd_pcm_uframes_t *period_size, + snd_pcm_uframes_t tsched_size, + pa_bool_t *use_mmap, + pa_bool_t *use_tsched, + pa_bool_t require_exact_channel_number); -int pa_alsa_set_hw_params(snd_pcm_t *pcm_handle, pa_sample_spec *ss, uint32_t *periods, snd_pcm_uframes_t *period_size); +int pa_alsa_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min); 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); +snd_pcm_t *pa_alsa_open_by_device_id( + const char *dev_id, + char **dev, + pa_sample_spec *ss, + pa_channel_map* map, + int mode, + uint32_t *nfrags, + snd_pcm_uframes_t *period_size, + snd_pcm_uframes_t tsched_size, + pa_bool_t *use_mmap, + pa_bool_t *use_tsched); + +snd_pcm_t *pa_alsa_open_by_device_string( + const char *device, + char **dev, + pa_sample_spec *ss, + pa_channel_map* map, + int mode, + uint32_t *nfrags, + snd_pcm_uframes_t *period_size, + snd_pcm_uframes_t tsched_size, + pa_bool_t *use_mmap, + pa_bool_t *use_tsched); + +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); + +void pa_alsa_0dB_playback(snd_mixer_elem_t *elem); +void pa_alsa_0dB_capture(snd_mixer_elem_t *elem); + +void pa_alsa_dump(snd_pcm_t *pcm); +void pa_alsa_dump_status(snd_pcm_t *pcm); + +void pa_alsa_redirect_errors_inc(void); +void pa_alsa_redirect_errors_dec(void); + +void pa_alsa_init_proplist(pa_proplist *p, snd_pcm_info_t *pcm_info); + +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); + #endif |