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

   1 #ifndef foosinkinputhfoo
   2 #define foosinkinputhfoo
   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 #include <inttypes.h>
  26
  27 #include "sink.h"
  28 #include "sample.h"
  29 #include "memblockq.h"
  30 #include "resampler.h"
  31 #include "module.h"
  32 #include "client.h"
  33
  34 struct pa_sink_input {
  35     uint32_t index;
  36
  37     int corked;
  38
  39     char *name;
  40     struct pa_module *owner;
  41     struct pa_client *client;
  42     struct pa_sink *sink;
  43     struct pa_sample_spec sample_spec;
  44     uint32_t volume;
  45
  46     int (*peek) (struct pa_sink_input *i, struct pa_memchunk *chunk);
  47     void (*drop) (struct pa_sink_input *i, const struct pa_memchunk *chunk, size_t length);
  48     void (*kill) (struct pa_sink_input *i);
  49     uint32_t (*get_latency) (struct pa_sink_input *i);
  50
  51     void *userdata;
  52
  53     struct pa_memchunk resampled_chunk;
  54     struct pa_resampler *resampler;
  55 };
  56
  57 struct pa_sink_input* pa_sink_input_new(struct pa_sink *s, const char *name, const struct pa_sample_spec *spec);
  58 void pa_sink_input_free(struct pa_sink_input* i);
  59
  60 /* Code that didn't create the input stream should call this function to
  61  * request destruction of it */
  62 void pa_sink_input_kill(struct pa_sink_input *i);
  63
  64 uint32_t pa_sink_input_get_latency(struct pa_sink_input *i);
  65
  66 int pa_sink_input_peek(struct pa_sink_input *i, struct pa_memchunk *chunk);
  67 void pa_sink_input_drop(struct pa_sink_input *i, const struct pa_memchunk *chunk, size_t length);
  68
  69 void pa_sink_input_set_volume(struct pa_sink_input *i, pa_volume_t volume);
  70
  71 void pa_sink_input_cork(struct pa_sink_input *i, int b);
  72
  73 #endif