1 #ifndef foointernalhfoo
2 #define foointernalhfoo
7 This file is part of PulseAudio.
9 Copyright 2004-2006 Lennart Poettering
10 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
12 PulseAudio is free software; you can redistribute it and/or modify
13 it under the terms of the GNU Lesser General Public License as published
14 by the Free Software Foundation; either version 2 of the License,
15 or (at your option) any later version.
17 PulseAudio is distributed in the hope that it will be useful, but
18 WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU Lesser General Public License
23 along with PulseAudio; if not, write to the Free Software
24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <pulse/mainloop-api.h>
29 #include <pulse/context.h>
30 #include <pulse/stream.h>
31 #include <pulse/operation.h>
32 #include <pulse/subscribe.h>
34 #include <pulsecore/socket-client.h>
35 #include <pulsecore/pstream.h>
36 #include <pulsecore/pdispatch.h>
37 #include <pulsecore/dynarray.h>
38 #include <pulsecore/llist.h>
39 #include <pulsecore/native-common.h>
40 #include <pulsecore/strlist.h>
41 #include <pulsecore/mcalign.h>
42 #include <pulsecore/memblockq.h>
43 #include <pulsecore/hashmap.h>
44 #include <pulsecore/refcnt.h>
46 #include "client-conf.h"
48 #define DEFAULT_TIMEOUT (30)
53 pa_proplist
*proplist
;
54 pa_mainloop_api
* mainloop
;
56 pa_socket_client
*client
;
58 pa_pdispatch
*pdispatch
;
60 pa_dynarray
*record_streams
, *playback_streams
;
61 PA_LLIST_HEAD(pa_stream
, streams
);
62 PA_LLIST_HEAD(pa_operation
, operations
);
68 pa_context_state_t state
;
70 pa_context_notify_cb_t state_callback
;
73 pa_context_subscribe_cb_t subscribe_callback
;
74 void *subscribe_userdata
;
80 int autospawn_lock_fd
;
81 pa_spawn_api spawn_api
;
83 pa_strlist
*server_list
;
89 uint32_t client_index
;
92 #define PA_MAX_WRITE_INDEX_CORRECTIONS 10
94 typedef struct pa_index_correction
{
98 int absolute
, corrupt
;
99 } pa_index_correction
;
104 pa_mainloop_api
*mainloop
;
105 PA_LLIST_FIELDS(pa_stream
);
107 pa_proplist
*proplist
;
108 pa_bool_t manual_buffer_attr
;
109 pa_buffer_attr buffer_attr
;
110 pa_sample_spec sample_spec
;
111 pa_channel_map channel_map
;
112 pa_stream_flags_t flags
;
116 uint32_t stream_index
;
117 pa_stream_direction_t direction
;
118 pa_stream_state_t state
;
120 uint32_t requested_bytes
;
122 uint32_t device_index
;
126 pa_memchunk peek_memchunk
;
128 pa_memblockq
*record_memblockq
;
132 /* Store latest latency info */
133 pa_timing_info timing_info
;
134 int timing_info_valid
;
136 /* Use to make sure that time advances monotonically */
137 pa_usec_t previous_time
;
139 /* time updates with tags older than these are invalid */
140 uint32_t write_index_not_before
;
141 uint32_t read_index_not_before
;
143 /* Data about individual timing update correctoins */
144 pa_index_correction write_index_corrections
[PA_MAX_WRITE_INDEX_CORRECTIONS
];
145 int current_write_index_correction
;
147 /* Latency interpolation stuff */
148 pa_time_event
*auto_timing_update_event
;
149 int auto_timing_update_requested
;
151 pa_usec_t cached_time
;
152 int cached_time_valid
;
155 pa_stream_notify_cb_t state_callback
;
156 void *state_userdata
;
157 pa_stream_request_cb_t read_callback
;
159 pa_stream_request_cb_t write_callback
;
160 void *write_userdata
;
161 pa_stream_notify_cb_t overflow_callback
;
162 void *overflow_userdata
;
163 pa_stream_notify_cb_t underflow_callback
;
164 void *underflow_userdata
;
165 pa_stream_notify_cb_t latency_update_callback
;
166 void *latency_update_userdata
;
167 pa_stream_notify_cb_t moved_callback
;
168 void *moved_userdata
;
169 pa_stream_notify_cb_t suspended_callback
;
170 void *suspended_userdata
;
173 typedef void (*pa_operation_cb_t
)(void);
175 struct pa_operation
{
181 PA_LLIST_FIELDS(pa_operation
);
183 pa_operation_state_t state
;
185 pa_operation_cb_t callback
;
187 void *private; /* some operations might need this */
190 void pa_command_request(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
191 void pa_command_stream_killed(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
192 void pa_command_subscribe_event(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
193 void pa_command_overflow_or_underflow(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
194 void pa_command_stream_suspended(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
195 void pa_command_stream_moved(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
197 pa_operation
*pa_operation_new(pa_context
*c
, pa_stream
*s
, pa_operation_cb_t callback
, void *userdata
);
198 void pa_operation_done(pa_operation
*o
);
200 void pa_create_stream_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
201 void pa_stream_disconnect_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
202 void pa_context_simple_ack_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
203 void pa_stream_simple_ack_callback(pa_pdispatch
*pd
, uint32_t command
, uint32_t tag
, pa_tagstruct
*t
, void *userdata
);
205 void pa_context_fail(pa_context
*c
, int error
);
206 int pa_context_set_error(pa_context
*c
, int error
);
207 void pa_context_set_state(pa_context
*c
, pa_context_state_t st
);
208 int pa_context_handle_error(pa_context
*c
, uint32_t command
, pa_tagstruct
*t
);
209 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
);
211 void pa_stream_set_state(pa_stream
*s
, pa_stream_state_t st
);
213 pa_tagstruct
*pa_tagstruct_command(pa_context
*c
, uint32_t command
, uint32_t *tag
);
215 #define PA_CHECK_VALIDITY(context, expression, error) do { \
217 return -pa_context_set_error((context), (error)); \
221 #define PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, value) do { \
222 if (!(expression)) { \
223 pa_context_set_error((context), (error)); \
228 #define PA_CHECK_VALIDITY_RETURN_NULL(context, expression, error) PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, NULL)
230 void pa_init_proplist(pa_proplist
*p
);