code.delx.au - pulseaudio/blob - src/pulse/scache.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29
  30 #include <pulse/utf8.h>
  31
  32 #include <pulsecore/pstream-util.h>
  33 #include <pulsecore/macro.h>
  34 #include <pulsecore/proplist-util.h>
  35
  36 #include "internal.h"
  37
  38 #include "scache.h"
  39
  40 int pa_stream_connect_upload(pa_stream *s, size_t length) {
  41     pa_tagstruct *t;
  42     uint32_t tag;
  43     const char *name;
  44
  45     pa_assert(s);
  46     pa_assert(PA_REFCNT_VALUE(s) >= 1);
  47
  48     PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE);
  49     PA_CHECK_VALIDITY(s->context, length > 0, PA_ERR_INVALID);
  50     PA_CHECK_VALIDITY(s->context, length == (size_t) (uint32_t) length, PA_ERR_INVALID);
  51
  52     if (!(name = pa_proplist_gets(s->proplist, PA_PROP_EVENT_ID)))
  53         name = pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME);
  54
  55     PA_CHECK_VALIDITY(s->context, name && *name && pa_utf8_valid(name), PA_ERR_INVALID);
  56
  57     pa_stream_ref(s);
  58
  59     s->direction = PA_STREAM_UPLOAD;
  60     s->flags = 0;
  61
  62     t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
  63
  64     pa_tagstruct_puts(t, name);
  65     pa_tagstruct_put_sample_spec(t, &s->sample_spec);
  66     pa_tagstruct_put_channel_map(t, &s->channel_map);
  67     pa_tagstruct_putu32(t, (uint32_t) length);
  68
  69     if (s->context->version >= 13)
  70         pa_tagstruct_put_proplist(t, s->proplist);
  71
  72     pa_pstream_send_tagstruct(s->context->pstream, t);
  73     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
  74
  75     pa_stream_set_state(s, PA_STREAM_CREATING);
  76
  77     pa_stream_unref(s);
  78     return 0;
  79 }
  80
  81 int pa_stream_finish_upload(pa_stream *s) {
  82     pa_tagstruct *t;
  83     uint32_t tag;
  84
  85     pa_assert(s);
  86     pa_assert(PA_REFCNT_VALUE(s) >= 1);
  87
  88     PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
  89     PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  90
  91     pa_stream_ref(s);
  92
  93     t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
  94     pa_tagstruct_putu32(t, s->channel);
  95     pa_pstream_send_tagstruct(s->context->pstream, t);
  96     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL);
  97
  98     pa_stream_unref(s);
  99     return 0;
 100 }
 101
 102 static void play_sample_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
 103     pa_operation *o = userdata;
 104     int success = 1;
 105     uint32_t idx = PA_INVALID_INDEX;
 106
 107     pa_assert(pd);
 108     pa_assert(o);
 109     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 110
 111     if (!o->context)
 112         goto finish;
 113
 114     if (command != PA_COMMAND_REPLY) {
 115         if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
 116             goto finish;
 117
 118         success = 0;
 119     } else if ((o->context->version >= 13 && pa_tagstruct_getu32(t, &idx) < 0) ||
 120                !pa_tagstruct_eof(t)) {
 121         pa_context_fail(o->context, PA_ERR_PROTOCOL);
 122         goto finish;
 123     } else if (o->context->version >= 13 && idx == PA_INVALID_INDEX)
 124         success = 0;
 125
 126     if (o->callback) {
 127         pa_context_success_cb_t cb = (pa_context_success_cb_t) o->callback;
 128         cb(o->context, success, o->userdata);
 129     }
 130
 131 finish:
 132     pa_operation_done(o);
 133     pa_operation_unref(o);
 134 }
 135
 136 static void play_sample_with_proplist_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
 137     pa_operation *o = userdata;
 138     uint32_t idx;
 139
 140     pa_assert(pd);
 141     pa_assert(o);
 142     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 143
 144     if (!o->context)
 145         goto finish;
 146
 147     if (command != PA_COMMAND_REPLY) {
 148         if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
 149             goto finish;
 150
 151         idx = PA_INVALID_INDEX;
 152     } else if (pa_tagstruct_getu32(t, &idx) < 0 ||
 153                !pa_tagstruct_eof(t)) {
 154         pa_context_fail(o->context, PA_ERR_PROTOCOL);
 155         goto finish;
 156     }
 157
 158     if (o->callback) {
 159         pa_context_play_sample_cb_t cb = (pa_context_play_sample_cb_t) o->callback;
 160         cb(o->context, idx, o->userdata);
 161     }
 162
 163 finish:
 164     pa_operation_done(o);
 165     pa_operation_unref(o);
 166 }
 167
 168
 169 pa_operation *pa_context_play_sample(pa_context *c, const char *name, const char *dev, pa_volume_t volume, pa_context_success_cb_t cb, void *userdata) {
 170     pa_operation *o;
 171     pa_tagstruct *t;
 172     uint32_t tag;
 173
 174     pa_assert(c);
 175     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 176
 177     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 178     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 179     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
 180
 181     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 182
 183     if (!dev)
 184         dev = c->conf->default_sink;
 185
 186     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 187     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 188     pa_tagstruct_puts(t, dev);
 189
 190     if (volume == (pa_volume_t) -1 && c->version < 15)
 191         volume = PA_VOLUME_NORM;
 192
 193     pa_tagstruct_putu32(t, volume);
 194     pa_tagstruct_puts(t, name);
 195
 196     if (c->version >= 13) {
 197         pa_proplist *p = pa_proplist_new();
 198         pa_tagstruct_put_proplist(t, p);
 199         pa_proplist_free(p);
 200     }
 201
 202     pa_pstream_send_tagstruct(c->pstream, t);
 203     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
 204
 205     return o;
 206 }
 207
 208 pa_operation *pa_context_play_sample_with_proplist(pa_context *c, const char *name, const char *dev, pa_volume_t volume, pa_proplist *p, pa_context_play_sample_cb_t cb, void *userdata) {
 209     pa_operation *o;
 210     pa_tagstruct *t;
 211     uint32_t tag;
 212
 213     pa_assert(c);
 214     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 215
 216     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 217     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 218     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
 219     PA_CHECK_VALIDITY_RETURN_NULL(c, p, PA_ERR_INVALID);
 220     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
 221
 222     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 223
 224     if (!dev)
 225         dev = c->conf->default_sink;
 226
 227     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 228     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 229     pa_tagstruct_puts(t, dev);
 230
 231     if (volume == (pa_volume_t) -1 && c->version < 15)
 232         volume = PA_VOLUME_NORM;
 233
 234     pa_tagstruct_putu32(t, volume);
 235     pa_tagstruct_puts(t, name);
 236     pa_tagstruct_put_proplist(t, p);
 237
 238     pa_pstream_send_tagstruct(c->pstream, t);
 239     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_with_proplist_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
 240
 241     return o;
 242 }
 243
 244 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
 245     pa_operation *o;
 246     pa_tagstruct *t;
 247     uint32_t tag;
 248
 249     pa_assert(c);
 250     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 251
 252     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 253     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 254
 255     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 256
 257     t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag);
 258     pa_tagstruct_puts(t, name);
 259
 260     pa_pstream_send_tagstruct(c->pstream, t);
 261     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
 262
 263     return o;
 264 }