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-rw-r--r--src/modules/alsa/alsa-util.h98
1 files changed, 98 insertions, 0 deletions
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 <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
+ USA.
+***/
+
+#include <asoundlib.h>
+
+#include <pulse/sample.h>
+#include <pulse/volume.h>
+#include <pulse/mainloop-api.h>
+#include <pulse/channelmap.h>
+#include <pulse/proplist.h>
+
+#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_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