1 #ifndef foopulsesourceoutputhfoo
2 #define foopulsesourceoutputhfoo
7 This file is part of PulseAudio.
9 Copyright 2004-2006 Lennart Poettering
11 PulseAudio is free software; you can redistribute it and/or modify
12 it under the terms of the GNU Lesser General Public License as published
13 by the Free Software Foundation; either version 2 of the License,
14 or (at your option) any later version.
16 PulseAudio is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU Lesser General Public License
22 along with PulseAudio; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
29 typedef struct pa_source_output pa_source_output;
31 #include <pulse/sample.h>
32 #include <pulsecore/source.h>
33 #include <pulsecore/memblockq.h>
34 #include <pulsecore/resampler.h>
35 #include <pulsecore/module.h>
36 #include <pulsecore/client.h>
38 typedef enum pa_source_output_state {
39 PA_SOURCE_OUTPUT_RUNNING,
40 PA_SOURCE_OUTPUT_CORKED,
41 PA_SOURCE_OUTPUT_DISCONNECTED
42 } pa_source_output_state_t;
44 typedef enum pa_source_output_flags {
45 PA_SOURCE_OUTPUT_NO_HOOKS = 1,
46 PA_SOURCE_OUTPUT_VARIABLE_RATE = 2
47 } pa_source_output_flags_t;
49 struct pa_source_output {
55 pa_source_output_flags_t flags;
57 char *name, *driver; /* may be NULL */
58 pa_module *module; /* may be NULL */
59 pa_client *client; /* may be NULL */
63 pa_sample_spec sample_spec;
64 pa_channel_map channel_map;
66 int (*process_msg)(pa_sink_input *i, int code, void *userdata);
67 void (*push)(pa_source_output *o, const pa_memchunk *chunk);
68 void (*kill)(pa_source_output* o); /* may be NULL */
69 pa_usec_t (*get_latency) (pa_source_output *o); /* may be NULL */
71 pa_resample_method_t resample_method;
74 pa_sample_spec sample_spec;
76 pa_resampler* resampler; /* may be NULL */
82 PA_DECLARE_CLASS(pa_source_output);
83 #define PA_SOURCE_OUTPUT(o) ((pa_source_output*) (o))
86 PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY,
87 PA_SOURCE_OUTPUT_MESSAGE_SET_RATE,
88 PA_SOURCE_OUTPUT_MESSAGE_MAX
91 typedef struct pa_source_output_new_data {
92 const char *name, *driver;
98 pa_sample_spec sample_spec;
99 int sample_spec_is_set;
100 pa_channel_map channel_map;
101 int channel_map_is_set;
103 pa_resample_method_t resample_method;
104 } pa_source_output_new_data;
106 pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data);
107 void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec);
108 void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map);
109 void pa_source_output_new_data_set_volume(pa_source_output_new_data *data, const pa_cvolume *volume);
111 /* To be called by the implementing module only */
113 pa_source_output* pa_source_output_new(
115 pa_source_output_new_data *data,
116 pa_source_output_flags_t flags);
118 void pa_source_output_put(pa_source_output *o);
119 void pa_source_output_disconnect(pa_source_output*o);
121 void pa_source_output_set_name(pa_source_output *i, const char *name);
123 /* Callable by everyone */
125 /* External code may request disconnection with this funcion */
126 void pa_source_output_kill(pa_source_output*o);
128 pa_usec_t pa_source_output_get_latency(pa_source_output *i);
130 void pa_source_output_cork(pa_source_output *i, int b);
132 void pa_source_output_set_rate(pa_source_output *o, uint32_t rate);
134 pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o);
136 int pa_source_output_move_to(pa_source_output *o, pa_source *dest);
138 #define pa_source_output_get_state(o) ((pa_source_output_state_t) pa_atomic_load(&o->state))
140 /* To be used exclusively by the source driver thread */
142 void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk);
143 int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, pa_memchunk *chunk);