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 Lesser 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 Lesser 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 #define PA_MAX_INPUTS_PER_SINK 6
  35
  36 enum pa_sink_state {
  37     PA_SINK_RUNNING,
  38     PA_SINK_DISCONNECTED
  39 };
  40
  41 struct pa_sink {
  42     int ref;
  43     enum pa_sink_state state;
  44
  45     uint32_t index;
  46
  47     char *name, *description;
  48     struct pa_module *owner;
  49     struct pa_core *core;
  50     struct pa_sample_spec sample_spec;
  51     struct pa_idxset *inputs;
  52
  53     struct pa_source *monitor_source;
  54
  55     pa_volume_t volume;
  56
  57     void (*notify)(struct pa_sink*sink);
  58     pa_usec_t (*get_latency)(struct pa_sink *s);
  59     void *userdata;
  60 };
  61
  62 struct pa_sink* pa_sink_new(struct pa_core *core, const char *name, int fail, const struct pa_sample_spec *spec);
  63 void pa_sink_disconnect(struct pa_sink* s);
  64 void pa_sink_unref(struct pa_sink*s);
  65 struct pa_sink* pa_sink_ref(struct pa_sink *s);
  66
  67 int pa_sink_render(struct pa_sink*s, size_t length, struct pa_memchunk *result);
  68 void pa_sink_render_full(struct pa_sink *s, size_t length, struct pa_memchunk *result);
  69 int pa_sink_render_into(struct pa_sink*s, struct pa_memchunk *target);
  70 void pa_sink_render_into_full(struct pa_sink *s, struct pa_memchunk *target);
  71
  72 pa_usec_t pa_sink_get_latency(struct pa_sink *s);
  73
  74 void pa_sink_notify(struct pa_sink*s);
  75
  76 void pa_sink_set_owner(struct pa_sink *sink, struct pa_module *m);
  77
  78 void pa_sink_set_volume(struct pa_sink *sink, pa_volume_t volume);
  79
  80 #endif