code.delx.au - pulseaudio/blob - polyp/polyplib-internal.h

   1 #ifndef foopolyplibinternalhfoo
   2 #define foopolyplibinternalhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of polypaudio.
   8
   9   polypaudio 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.
  13
  14   polypaudio 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.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with polypaudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include "mainloop-api.h"
  26 #include "socket-client.h"
  27 #include "pstream.h"
  28 #include "pdispatch.h"
  29 #include "dynarray.h"
  30
  31 #include "polyplib-context.h"
  32 #include "polyplib-stream.h"
  33 #include "polyplib-operation.h"
  34 #include "llist.h"
  35 #include "native-common.h"
  36 #include "client-conf.h"
  37 #include "strlist.h"
  38
  39 #define DEFAULT_TLENGTH (44100*2*2/2)  //(10240*8)
  40 #define DEFAULT_MAXLENGTH ((DEFAULT_TLENGTH*3)/2)
  41 #define DEFAULT_MINREQ 512
  42 #define DEFAULT_PREBUF (DEFAULT_TLENGTH-DEFAULT_MINREQ)
  43 #define DEFAULT_FRAGSIZE 1024
  44
  45 #define DEFAULT_TIMEOUT (10)
  46
  47 struct pa_context {
  48     int ref;
  49
  50     char *name;
  51     struct pa_mainloop_api* mainloop;
  52
  53     struct pa_socket_client *client;
  54     struct pa_pstream *pstream;
  55     struct pa_pdispatch *pdispatch;
  56
  57     struct pa_dynarray *record_streams, *playback_streams;
  58     PA_LLIST_HEAD(struct pa_stream, streams);
  59     PA_LLIST_HEAD(struct pa_operation, operations);
  60
  61     uint32_t ctag;
  62     uint32_t error;
  63     enum pa_context_state state;
  64
  65     void (*state_callback)(struct pa_context*c, void *userdata);
  66     void *state_userdata;
  67
  68     void (*subscribe_callback)(struct pa_context *c, enum pa_subscription_event_type t, uint32_t index, void *userdata);
  69     void *subscribe_userdata;
  70
  71     struct pa_memblock_stat *memblock_stat;
  72
  73     int local;
  74     int do_autospawn;
  75     int autospawn_lock_fd;
  76     struct pa_spawn_api spawn_api;
  77
  78     struct pa_strlist *server_list;
  79
  80     struct pa_client_conf *conf;
  81 };
  82
  83 struct pa_stream {
  84     int ref;
  85     struct pa_context *context;
  86     struct pa_mainloop_api *mainloop;
  87     PA_LLIST_FIELDS(struct pa_stream);
  88
  89     char *name;
  90     struct pa_buffer_attr buffer_attr;
  91     struct pa_sample_spec sample_spec;
  92     uint32_t channel;
  93     int channel_valid;
  94     uint32_t device_index;
  95     enum pa_stream_direction direction;
  96     uint32_t requested_bytes;
  97     uint64_t counter;
  98     pa_usec_t previous_time;
  99     enum pa_stream_state state;
 100
 101     int interpolate;
 102     int corked;
 103
 104     uint32_t ipol_usec;
 105     struct timeval ipol_timestamp;
 106     struct pa_time_event *ipol_event;
 107
 108     void (*state_callback)(struct pa_stream*c, void *userdata);
 109     void *state_userdata;
 110
 111     void (*read_callback)(struct pa_stream *p, const void*data, size_t length, void *userdata);
 112     void *read_userdata;
 113
 114     void (*write_callback)(struct pa_stream *p, size_t length, void *userdata);
 115     void *write_userdata;
 116 };
 117
 118 struct pa_operation {
 119     int ref;
 120     struct pa_context *context;
 121     struct pa_stream *stream;
 122     PA_LLIST_FIELDS(struct pa_operation);
 123
 124     enum pa_operation_state state;
 125     void *userdata;
 126     void (*callback)();
 127 };
 128
 129 void pa_command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 130 void pa_command_stream_killed(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 131 void pa_command_subscribe_event(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 132
 133 struct pa_operation *pa_operation_new(struct pa_context *c, struct pa_stream *s);
 134 void pa_operation_done(struct pa_operation *o);
 135
 136 void pa_create_stream_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 137 void pa_stream_disconnect_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 138 void pa_context_simple_ack_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 139 void pa_stream_simple_ack_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 140
 141 void pa_context_fail(struct pa_context *c, int error);
 142 void pa_context_set_state(struct pa_context *c, enum pa_context_state st);
 143 int pa_context_handle_error(struct pa_context *c, uint32_t command, struct pa_tagstruct *t);
 144 struct pa_operation* pa_context_send_simple_command(struct pa_context *c, uint32_t command, void (*internal_callback)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata), void (*cb)(), void *userdata);
 145
 146 void pa_stream_set_state(struct pa_stream *s, enum pa_stream_state st);
 147
 148 void pa_stream_trash_ipol(struct pa_stream *s);
 149
 150
 151 #endif