1 #ifndef foointernalhfoo
2 #define foointernalhfoo
5 This file is part of PulseAudio.
7 Copyright 2004-2006 Lennart Poettering
8 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
10 PulseAudio is free software; you can redistribute it and/or modify
11 it under the terms of the GNU Lesser General Public License as published
12 by the Free Software Foundation; either version 2 of the License,
13 or (at your option) any later version.
15 PulseAudio is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with PulseAudio; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <pulse/mainloop-api.h>
27 #include <pulse/context.h>
28 #include <pulse/stream.h>
29 #include <pulse/operation.h>
30 #include <pulse/subscribe.h>
32 #include <pulsecore/socket-client.h>
33 #include <pulsecore/pstream.h>
34 #include <pulsecore/pdispatch.h>
35 #include <pulsecore/dynarray.h>
36 #include <pulsecore/llist.h>
37 #include <pulsecore/native-common.h>
38 #include <pulsecore/strlist.h>
39 #include <pulsecore/mcalign.h>
40 #include <pulsecore/memblockq.h>
41 #include <pulsecore/hashmap.h>
42 #include <pulsecore/refcnt.h>
43 #include <pulsecore/time-smoother.h>
45 #include "client-conf.h"
47 #define DEFAULT_TIMEOUT (30)
52 pa_proplist
*proplist
;
53 pa_mainloop_api
* mainloop
;
55 pa_socket_client
*client
;
57 pa_pdispatch
*pdispatch
;
59 pa_dynarray
*record_streams
, *playback_streams
;
60 PA_LLIST_HEAD(pa_stream
, streams
);
61 PA_LLIST_HEAD(pa_operation
, operations
);
67 pa_context_state_t state
;
69 pa_context_notify_cb_t state_callback
;
71 pa_context_subscribe_cb_t subscribe_callback
;
72 void *subscribe_userdata
;
77 pa_bool_t do_autospawn
:1;
79 int autospawn_lock_fd
;
80 pa_spawn_api spawn_api
;
82 pa_strlist
*server_list
;
88 uint32_t client_index
;
91 #define PA_MAX_WRITE_INDEX_CORRECTIONS 32
93 typedef struct pa_index_correction
{
99 } pa_index_correction
;
103 PA_LLIST_FIELDS(pa_stream
);
106 pa_mainloop_api
*mainloop
;
108 uint32_t direct_on_input
;
110 pa_stream_direction_t direction
;
111 pa_stream_state_t state
;
112 pa_stream_flags_t flags
;
114 pa_sample_spec sample_spec
;
115 pa_channel_map channel_map
;
117 pa_proplist
*proplist
;
119 pa_bool_t channel_valid
:1;
120 pa_bool_t suspended
:1;
122 pa_bool_t timing_info_valid
:1;
123 pa_bool_t auto_timing_update_requested
:1;
127 uint32_t stream_index
;
129 uint32_t requested_bytes
;
130 pa_buffer_attr buffer_attr
;
132 uint32_t device_index
;
135 pa_memchunk peek_memchunk
;
137 pa_memblockq
*record_memblockq
;
139 /* Store latest latency info */
140 pa_timing_info timing_info
;
142 /* Use to make sure that time advances monotonically */
143 pa_usec_t previous_time
;
145 /* time updates with tags older than these are invalid */
146 uint32_t write_index_not_before
;
147 uint32_t read_index_not_before
;
149 /* Data about individual timing update correctoins */
150 pa_index_correction write_index_corrections
[PA_MAX_WRITE_INDEX_CORRECTIONS
];
151 int current_write_index_correction
;
153 /* Latency interpolation stuff */
154 pa_time_event
*auto_timing_update_event
;
156 pa_smoother
*smoother
;
159 pa_stream_notify_cb_t state_callback
;
160 void *state_userdata
;
161 pa_stream_request_cb_t read_callback
;
163 pa_stream_request_cb_t write_callback
;
164 void *write_userdata
;
165 pa_stream_notify_cb_t overflow_callback
;
166 void *overflow_userdata
;
167 pa_stream_notify_cb_t underflow_callback
;
168 void *underflow_userdata
;
169 pa_stream_notify_cb_t latency_update_callback
;
170 void *latency_update_userdata
;
171 pa_stream_notify_cb_t moved_callback
;
172 void *moved_userdata
;
173 pa_stream_notify_cb_t suspended_callback
;
174 void *suspended_userdata
;
175 pa_stream_notify_cb_t started_callback
;
176 void *started_userdata
;
179 typedef void (*pa_operation_cb_t
)(void);
181 struct pa_operation
{
187 PA_LLIST_FIELDS(pa_operation
);
189 pa_operation_state_t state
;
191 pa_operation_cb_t callback
;
193 void *private; /* some operations might need this */
196 void pa_command_request(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
197 void pa_command_stream_killed(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
198 void pa_command_subscribe_event(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
199 void pa_command_overflow_or_underflow(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
200 void pa_command_stream_suspended(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
201 void pa_command_stream_moved(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
202 void pa_command_stream_started(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
203 pa_operation
*pa_operation_new(pa_context
*c
, pa_stream
*s
, pa_operation_cb_t callback
, void *userdata
);
204 void pa_operation_done(pa_operation
*o
);
206 void pa_create_stream_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
207 void pa_stream_disconnect_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
208 void pa_context_simple_ack_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
209 void pa_stream_simple_ack_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
211 void pa_context_fail(pa_context
*c
, int error
);
212 int pa_context_set_error(pa_context
*c
, int error
);
213 void pa_context_set_state(pa_context
*c
, pa_context_state_t st
);
214 int pa_context_handle_error(pa_context
*c
, uint32_t command
, pa_tagstruct
*t
, pa_bool_t fail
);
215 pa_operation
* pa_context_send_simple_command(pa_context
*c
, uint32_t command
, void (*internal_callback
)(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
), void (*cb
)(void), void *userdata
);
217 void pa_stream_set_state(pa_stream
*s
, pa_stream_state_t st
);
219 pa_tagstruct
*pa_tagstruct_command(pa_context
*c
, uint32_t command
, uint32_t *tag
);
221 #define PA_CHECK_VALIDITY(context, expression, error) do { \
223 return -pa_context_set_error((context), (error)); \
227 #define PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, value) do { \
228 if (!(expression)) { \
229 pa_context_set_error((context), (error)); \
234 #define PA_CHECK_VALIDITY_RETURN_NULL(context, expression, error) PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, NULL)