really create glitch-free branch

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2120 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 76 insertions, 0 deletions

diff --git a/src/modules/alsa-util.h b/src/modules/alsa-util.h
new file mode 100644
index 00000000..53d9a2fb
--- /dev/null
+++ b/src/modules/alsa-util.h
@@ -0,0 +1,76 @@
+#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
+  USA.
+***/
+
+#include <asoundlib.h>
+
+#include <pulse/sample.h>
+#include <pulse/mainloop-api.h>
+
+#include <pulse/channelmap.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,
+        pa_bool_t *use_mmap,
+        pa_bool_t require_exact_channel_number);
+
+int pa_alsa_set_sw_params(snd_pcm_t *pcm);
+
+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,
+        pa_bool_t *use_mmap);
+
+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,
+        pa_bool_t *use_mmap);
+
+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);
+
+#endif