code.delx.au - pulseaudio/blob - src/pulsecore/source-output.h

   1 #ifndef foosourceoutputhfoo
   2 #define foosourceoutputhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   PulseAudio 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   PulseAudio 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 PulseAudio; 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 typedef struct pa_source_output pa_source_output;
  28
  29 #include <pulse/sample.h>
  30 #include <pulsecore/source.h>
  31 #include <pulsecore/memblockq.h>
  32 #include <pulsecore/resampler.h>
  33 #include <pulsecore/module.h>
  34 #include <pulsecore/client.h>
  35
  36 typedef enum {
  37     PA_SOURCE_OUTPUT_RUNNING,
  38     PA_SOURCE_OUTPUT_CORKED,
  39     PA_SOURCE_OUTPUT_DISCONNECTED
  40 } pa_source_output_state_t;
  41
  42 struct pa_source_output {
  43     int ref;
  44     uint32_t index;
  45     pa_source_output_state_t state;
  46
  47     char *name, *driver;
  48     pa_module *owner;
  49
  50     pa_source *source;
  51     pa_client *client;
  52
  53     pa_sample_spec sample_spec;
  54     pa_channel_map channel_map;
  55
  56     void (*push)(pa_source_output *o, const pa_memchunk *chunk);
  57     void (*kill)(pa_source_output* o);
  58     pa_usec_t (*get_latency) (pa_source_output *o);
  59
  60     pa_resampler* resampler;
  61
  62     void *userdata;
  63 };
  64
  65 pa_source_output* pa_source_output_new(
  66     pa_source *s,
  67     const char *driver,
  68     const char *name,
  69     const pa_sample_spec *spec,
  70     const pa_channel_map *map,
  71     int resample_method);
  72
  73 void pa_source_output_unref(pa_source_output* o);
  74 pa_source_output* pa_source_output_ref(pa_source_output *o);
  75
  76 /* To be called by the implementing module only */
  77 void pa_source_output_disconnect(pa_source_output*o);
  78
  79 /* External code may request disconnection with this funcion */
  80 void pa_source_output_kill(pa_source_output*o);
  81
  82 void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk);
  83
  84 void pa_source_output_set_name(pa_source_output *i, const char *name);
  85
  86 pa_usec_t pa_source_output_get_latency(pa_source_output *i);
  87
  88 void pa_source_output_cork(pa_source_output *i, int b);
  89
  90 pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o);
  91
  92 #endif