code.delx.au - pulseaudio/blob - polyp/sink.h

   1 #ifndef foosinkhfoo
   2 #define foosinkhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of polypaudio.
   8
   9   polypaudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   polypaudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU General Public License
  20   along with polypaudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 struct pa_sink;
  26
  27 #include <inttypes.h>
  28
  29 #include "core.h"
  30 #include "sample.h"
  31 #include "idxset.h"
  32 #include "source.h"
  33
  34 struct pa_sink {
  35     uint32_t index;
  36
  37     char *name, *description;
  38     struct pa_module *owner;
  39     struct pa_core *core;
  40     struct pa_sample_spec sample_spec;
  41     struct pa_idxset *inputs;
  42
  43     struct pa_source *monitor_source;
  44
  45     uint32_t volume;
  46
  47     void (*notify)(struct pa_sink*sink);
  48     uint32_t (*get_latency)(struct pa_sink *s);
  49     void *userdata;
  50 };
  51
  52 struct pa_sink* pa_sink_new(struct pa_core *core, const char *name, int fail, const struct pa_sample_spec *spec);
  53 void pa_sink_free(struct pa_sink* s);
  54
  55 int pa_sink_render(struct pa_sink*s, size_t length, struct pa_memchunk *result);
  56 int pa_sink_render_into(struct pa_sink*s, struct pa_memchunk *target);
  57 void pa_sink_render_into_full(struct pa_sink *s, struct pa_memchunk *target);
  58
  59 uint32_t pa_sink_get_latency(struct pa_sink *s);
  60
  61 void pa_sink_notify(struct pa_sink*s);
  62
  63 struct pa_sink* pa_sink_get_default(struct pa_core *c);
  64
  65 void pa_sink_set_owner(struct pa_sink *sink, struct pa_module *m);
  66
  67 #endif