code.delx.au - pulseaudio/blob - src/modules/dbus/iface-stream.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2009 Tanu Kaskinen
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <pulsecore/core-util.h>
  27
  28 #include "iface-stream.h"
  29
  30 #define PLAYBACK_OBJECT_NAME "playback_stream"
  31 #define RECORD_OBJECT_NAME "record_stream"
  32
  33 enum stream_type {
  34     STREAM_TYPE_PLAYBACK,
  35     STREAM_TYPE_RECORD
  36 };
  37
  38 struct pa_dbusiface_stream {
  39     union {
  40         pa_sink_input *sink_input;
  41         pa_source_output *source_output;
  42     };
  43     enum stream_type type;
  44     char *path;
  45 };
  46
  47 pa_dbusiface_stream *pa_dbusiface_stream_new_playback(pa_sink_input *sink_input, const char *path_prefix) {
  48     pa_dbusiface_stream *s;
  49
  50     pa_assert(sink_input);
  51     pa_assert(path_prefix);
  52
  53     s = pa_xnew(pa_dbusiface_stream, 1);
  54     s->sink_input = pa_sink_input_ref(sink_input);
  55     s->type = STREAM_TYPE_PLAYBACK;
  56     s->path = pa_sprintf_malloc("%s/%s%u", path_prefix, PLAYBACK_OBJECT_NAME, sink_input->index);
  57
  58     return s;
  59 }
  60
  61 pa_dbusiface_stream *pa_dbusiface_stream_new_record(pa_source_output *source_output, const char *path_prefix) {
  62     pa_dbusiface_stream *s;
  63
  64     pa_assert(source_output);
  65     pa_assert(path_prefix);
  66
  67     s = pa_xnew(pa_dbusiface_stream, 1);
  68     s->source_output = pa_source_output_ref(source_output);
  69     s->type = STREAM_TYPE_RECORD;
  70     s->path = pa_sprintf_malloc("%s/%s%u", path_prefix, RECORD_OBJECT_NAME, source_output->index);
  71
  72     return s;
  73 }
  74
  75 void pa_dbusiface_stream_free(pa_dbusiface_stream *s) {
  76     pa_assert(s);
  77
  78     if (s->type == STREAM_TYPE_PLAYBACK)
  79         pa_sink_input_unref(s->sink_input);
  80     else
  81         pa_source_output_unref(s->source_output);
  82
  83     pa_xfree(s->path);
  84     pa_xfree(s);
  85 }
  86
  87 const char *pa_dbusiface_stream_get_path(pa_dbusiface_stream *s) {
  88     pa_assert(s);
  89
  90     return s->path;
  91 }