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
  51     if (!(name = pa_proplist_gets(s->proplist, PA_PROP_EVENT_ID)))
  52         name = pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME);
  53
  54     PA_CHECK_VALIDITY(s->context, name && *name && pa_utf8_valid(name), PA_ERR_INVALID);
  55
  56     pa_stream_ref(s);
  57
  58     s->direction = PA_STREAM_UPLOAD;
  59     s->flags = 0;
  60
  61     t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
  62
  63     pa_tagstruct_puts(t, name);
  64     pa_tagstruct_put_sample_spec(t, &s->sample_spec);
  65     pa_tagstruct_put_channel_map(t, &s->channel_map);
  66     pa_tagstruct_putu32(t, length);
  67
  68     if (s->context->version >= 13) {
  69         pa_init_proplist(s->proplist);
  70         pa_tagstruct_put_proplist(t, s->proplist);
  71     }
  72
  73     pa_pstream_send_tagstruct(s->context->pstream, t);
  74     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
  75
  76     pa_stream_set_state(s, PA_STREAM_CREATING);
  77
  78     pa_stream_unref(s);
  79     return 0;
  80 }
  81
  82 int pa_stream_finish_upload(pa_stream *s) {
  83     pa_tagstruct *t;
  84     uint32_t tag;
  85
  86     pa_assert(s);
  87     pa_assert(PA_REFCNT_VALUE(s) >= 1);
  88
  89     PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
  90     PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  91
  92     pa_stream_ref(s);
  93
  94     t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
  95     pa_tagstruct_putu32(t, s->channel);
  96     pa_pstream_send_tagstruct(s->context->pstream, t);
  97     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL);
  98
  99     pa_stream_unref(s);
 100     return 0;
 101 }
 102
 103 static void play_sample_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
 104     pa_operation *o = userdata;
 105     int success = 1;
 106     uint32_t idx = PA_INVALID_INDEX;
 107
 108     pa_assert(pd);
 109     pa_assert(o);
 110     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 111
 112     if (!o->context)
 113         goto finish;
 114
 115     if (command != PA_COMMAND_REPLY) {
 116         if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
 117             goto finish;
 118
 119         success = 0;
 120     } else if ((o->context->version >= 13 && pa_tagstruct_getu32(t, &idx) < 0) ||
 121                !pa_tagstruct_eof(t)) {
 122         pa_context_fail(o->context, PA_ERR_PROTOCOL);
 123         goto finish;
 124     } else if (o->context->version >= 13 && idx == PA_INVALID_INDEX)
 125         success = 0;
 126
 127     if (o->callback) {
 128         pa_context_success_cb_t cb = (pa_context_success_cb_t) o->callback;
 129         cb(o->context, success, o->userdata);
 130     }
 131
 132 finish:
 133     pa_operation_done(o);
 134     pa_operation_unref(o);
 135 }
 136
 137 static void play_sample_with_proplist_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
 138     pa_operation *o = userdata;
 139     uint32_t idx;
 140
 141     pa_assert(pd);
 142     pa_assert(o);
 143     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 144
 145     if (!o->context)
 146         goto finish;
 147
 148     if (command != PA_COMMAND_REPLY) {
 149         if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
 150             goto finish;
 151
 152         idx = PA_INVALID_INDEX;
 153     } else if (pa_tagstruct_getu32(t, &idx) < 0 ||
 154                !pa_tagstruct_eof(t)) {
 155         pa_context_fail(o->context, PA_ERR_PROTOCOL);
 156         goto finish;
 157     }
 158
 159     if (o->callback) {
 160         pa_context_play_sample_cb_t cb = (pa_context_play_sample_cb_t) o->callback;
 161         cb(o->context, idx, o->userdata);
 162     }
 163
 164 finish:
 165     pa_operation_done(o);
 166     pa_operation_unref(o);
 167 }
 168
 169
 170 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) {
 171     pa_operation *o;
 172     pa_tagstruct *t;
 173     uint32_t tag;
 174
 175     pa_assert(c);
 176     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 177
 178     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 179     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 180     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
 181
 182     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 183
 184     if (!dev)
 185         dev = c->conf->default_sink;
 186
 187     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 188     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 189     pa_tagstruct_puts(t, dev);
 190     pa_tagstruct_putu32(t, volume);
 191     pa_tagstruct_puts(t, name);
 192
 193     if (c->version >= 13) {
 194         pa_proplist *p = pa_proplist_new();
 195         pa_tagstruct_put_proplist(t, p);
 196         pa_proplist_free(p);
 197     }
 198
 199     pa_pstream_send_tagstruct(c->pstream, t);
 200     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
 201
 202     return o;
 203 }
 204
 205 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) {
 206     pa_operation *o;
 207     pa_tagstruct *t;
 208     uint32_t tag;
 209
 210     pa_assert(c);
 211     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 212
 213     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 214     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 215     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
 216     PA_CHECK_VALIDITY_RETURN_NULL(c, p, PA_ERR_INVALID);
 217     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
 218
 219     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 220
 221     if (!dev)
 222         dev = c->conf->default_sink;
 223
 224     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 225     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 226     pa_tagstruct_puts(t, dev);
 227     pa_tagstruct_putu32(t, volume);
 228     pa_tagstruct_puts(t, name);
 229     pa_tagstruct_put_proplist(t, p);
 230
 231     pa_pstream_send_tagstruct(c->pstream, t);
 232     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);
 233
 234     return o;
 235 }
 236
 237 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
 238     pa_operation *o;
 239     pa_tagstruct *t;
 240     uint32_t tag;
 241
 242     pa_assert(c);
 243     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 244
 245     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 246     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 247
 248     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 249
 250     t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag);
 251     pa_tagstruct_puts(t, name);
 252
 253     pa_pstream_send_tagstruct(c->pstream, t);
 254     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);
 255
 256     return o;
 257 }