1 #ifndef foosourceoutputhfoo
2 #define foosourceoutputhfoo
7 This file is part of PulseAudio.
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.
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.
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
27 typedef struct pa_source_output pa_source_output;
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>
37 PA_SOURCE_OUTPUT_RUNNING,
38 PA_SOURCE_OUTPUT_CORKED,
39 PA_SOURCE_OUTPUT_DISCONNECTED
40 } pa_source_output_state_t;
42 typedef enum pa_source_output_flags {
43 PA_SOURCE_OUTPUT_NO_HOOKS = 1
44 } pa_source_output_flags_t;
46 struct pa_source_output {
49 pa_source_output_state_t state;
51 char *name, *driver; /* may be NULL */
52 pa_module *module; /* may be NULL */
55 pa_client *client; /* may be NULL */
57 pa_sample_spec sample_spec;
58 pa_channel_map channel_map;
60 void (*push)(pa_source_output *o, const pa_memchunk *chunk);
61 void (*kill)(pa_source_output* o); /* may be NULL */
62 pa_usec_t (*get_latency) (pa_source_output *o); /* may be NULL */
64 pa_resampler* resampler; /* may be NULL */
65 pa_resample_method_t resample_method;
70 typedef struct pa_source_output_new_data {
71 const char *name, *driver;
77 pa_sample_spec sample_spec;
78 int sample_spec_is_set;
79 pa_channel_map channel_map;
80 int channel_map_is_set;
82 pa_resample_method_t resample_method;
83 } pa_source_output_new_data;
85 pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data);
86 void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec);
87 void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map);
88 void pa_source_output_new_data_set_volume(pa_source_output_new_data *data, const pa_cvolume *volume);
90 pa_source_output* pa_source_output_new(
92 pa_source_output_new_data *data,
93 pa_source_output_flags_t flags);
95 void pa_source_output_unref(pa_source_output* o);
96 pa_source_output* pa_source_output_ref(pa_source_output *o);
98 /* To be called by the implementing module only */
99 void pa_source_output_disconnect(pa_source_output*o);
101 /* External code may request disconnection with this funcion */
102 void pa_source_output_kill(pa_source_output*o);
104 void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk);
106 void pa_source_output_set_name(pa_source_output *i, const char *name);
108 pa_usec_t pa_source_output_get_latency(pa_source_output *i);
110 void pa_source_output_cork(pa_source_output *i, int b);
112 pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o);
114 int pa_source_output_move_to(pa_source_output *o, pa_source *dest);