code.delx.au - pulseaudio/blob - polyp/source-output.h

   1 #ifndef foosourceoutputhfoo
   2 #define foosourceoutputhfoo
   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 #include <inttypes.h>
  26
  27 #include "source.h"
  28 #include "sample.h"
  29 #include "memblockq.h"
  30 #include "resampler.h"
  31 #include "module.h"
  32 #include "client.h"
  33
  34 enum pa_source_output_state {
  35     PA_SOURCE_OUTPUT_RUNNING,
  36     PA_SOURCE_OUTPUT_CORKED,
  37     PA_SOURCE_OUTPUT_DISCONNECTED
  38 };
  39
  40 struct pa_source_output {
  41     int ref;
  42     enum pa_source_output_state state;
  43
  44     uint32_t index;
  45
  46     char *name;
  47     struct pa_module *owner;
  48     struct pa_client *client;
  49     struct pa_source *source;
  50     struct pa_sample_spec sample_spec;
  51
  52     void (*push)(struct pa_source_output *o, const struct pa_memchunk *chunk);
  53     void (*kill)(struct pa_source_output* o);
  54     pa_usec_t (*get_latency) (struct pa_source_output *i);
  55
  56     struct pa_resampler* resampler;
  57
  58     void *userdata;
  59 };
  60
  61 struct pa_source_output* pa_source_output_new(struct pa_source *s, const char *name, const struct pa_sample_spec *spec, int resample_method);
  62 void pa_source_output_unref(struct pa_source_output* o);
  63 struct pa_source_output* pa_source_output_ref(struct pa_source_output *o);
  64
  65 /* To be called by the implementing module only */
  66 void pa_source_output_disconnect(struct pa_source_output*o);
  67
  68 /* External code may request disconnection with this funcion */
  69 void pa_source_output_kill(struct pa_source_output*o);
  70
  71 void pa_source_output_push(struct pa_source_output *o, const struct pa_memchunk *chunk);
  72
  73 void pa_source_output_set_name(struct pa_source_output *i, const char *name);
  74
  75 pa_usec_t pa_source_output_get_latency(struct pa_source_output *i);
  76
  77 void pa_source_output_cork(struct pa_source_output *i, int b);
  78
  79
  80 #endif