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 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 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
  37 #define DEFAULT_TLENGTH (10240*8)
  38 #define DEFAULT_MAXLENGTH ((DEFAULT_TLENGTH*3)/2)
  39 #define DEFAULT_PREBUF DEFAULT_TLENGTH
  40 #define DEFAULT_MINREQ 512
  41 #define DEFAULT_FRAGSIZE 1024
  42
  43 #define DEFAULT_TIMEOUT (5*60)
  44 #define DEFAULT_SERVER "/tmp/polypaudio/native"
  45 #define DEFAULT_PORT "4713"
  46
  47 #define ENV_DEFAULT_SINK "POLYP_SINK"
  48 #define ENV_DEFAULT_SOURCE "POLYP_SOURCE"
  49 #define ENV_DEFAULT_SERVER "POLYP_SERVER"
  50 #define ENV_DEFAULT_BINARY "POLYP_BINARY"
  51 #define ENV_DISABLE_AUTOSPAWN "POLYP_NOAUTOSPAWN"
  52 #define ENV_AUTOSPAWNED "POLYP_AUTOSPAWNED"
  53
  54 struct pa_context {
  55     int ref;
  56
  57     char *name;
  58     struct pa_mainloop_api* mainloop;
  59
  60     struct pa_socket_client *client;
  61     struct pa_pstream *pstream;
  62     struct pa_pdispatch *pdispatch;
  63
  64     struct pa_dynarray *record_streams, *playback_streams;
  65     PA_LLIST_HEAD(struct pa_stream, streams);
  66     PA_LLIST_HEAD(struct pa_operation, operations);
  67
  68     uint32_t ctag;
  69     uint32_t error;
  70     enum pa_context_state state;
  71
  72     uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH];
  73
  74     void (*state_callback)(struct pa_context*c, void *userdata);
  75     void *state_userdata;
  76
  77     void (*subscribe_callback)(struct pa_context *c, enum pa_subscription_event_type t, uint32_t index, void *userdata);
  78     void *subscribe_userdata;
  79
  80     struct pa_memblock_stat *memblock_stat;
  81 };
  82
  83 struct pa_stream {
  84     int ref;
  85     struct pa_context *context;
  86     PA_LLIST_FIELDS(struct pa_stream);
  87
  88     char *name;
  89     struct pa_buffer_attr buffer_attr;
  90     struct pa_sample_spec sample_spec;
  91     uint32_t channel;
  92     int channel_valid;
  93     uint32_t device_index;
  94     enum pa_stream_direction direction;
  95     uint32_t requested_bytes;
  96     enum pa_stream_state state;
  97
  98     void (*state_callback)(struct pa_stream*c, void *userdata);
  99     void *state_userdata;
 100
 101     void (*read_callback)(struct pa_stream *p, const void*data, size_t length, void *userdata);
 102     void *read_userdata;
 103
 104     void (*write_callback)(struct pa_stream *p, size_t length, void *userdata);
 105     void *write_userdata;
 106 };
 107
 108 struct pa_operation {
 109     int ref;
 110     struct pa_context *context;
 111     struct pa_stream *stream;
 112     PA_LLIST_FIELDS(struct pa_operation);
 113
 114     enum pa_operation_state state;
 115     void *userdata;
 116     void (*callback)();
 117 };
 118
 119 void pa_command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 120 void pa_command_stream_killed(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 121 void pa_command_subscribe_event(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 122
 123 struct pa_operation *pa_operation_new(struct pa_context *c, struct pa_stream *s);
 124 void pa_operation_done(struct pa_operation *o);
 125
 126 void pa_create_stream_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 127 void pa_stream_disconnect_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 128 void pa_context_simple_ack_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 129 void pa_stream_simple_ack_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
 130
 131 void pa_context_fail(struct pa_context *c, int error);
 132 void pa_context_set_state(struct pa_context *c, enum pa_context_state st);
 133 int pa_context_handle_error(struct pa_context *c, uint32_t command, struct pa_tagstruct *t);
 134 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);
 135
 136 void pa_stream_set_state(struct pa_stream *s, enum pa_stream_state st);
 137
 138 #endif