From c7fff97782bb59815e7ebd38895cc1480719e24c Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 15 Jan 2009 21:02:01 +0100 Subject: move alsa and oss modules into their own subdirectories --- src/modules/alsa/alsa-util.h | 98 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 src/modules/alsa/alsa-util.h (limited to 'src/modules/alsa/alsa-util.h') diff --git a/src/modules/alsa/alsa-util.h b/src/modules/alsa/alsa-util.h new file mode 100644 index 00000000..95bb983a --- /dev/null +++ b/src/modules/alsa/alsa-util.h @@ -0,0 +1,98 @@ +#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 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 + USA. +***/ + +#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); + +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_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, pa_bool_t playback); + +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_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); + +snd_pcm_sframes_t pa_alsa_safe_avail_update(snd_pcm_t *pcm, size_t hwbuf_size, const pa_sample_spec *ss); +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 -- cgit