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

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of polypaudio.
   5
   6   polypaudio 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   polypaudio 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 polypaudio; 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 <assert.h>
  27 #include <stdlib.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30
  31 #include <polypcore/pstream-util.h>
  32
  33 #include "internal.h"
  34
  35 #include "scache.h"
  36
  37 void pa_stream_connect_upload(pa_stream *s, size_t length) {
  38     pa_tagstruct *t;
  39     uint32_t tag;
  40
  41     assert(s && length);
  42
  43     pa_stream_ref(s);
  44
  45     s->state = PA_STREAM_CREATING;
  46     s->direction = PA_STREAM_UPLOAD;
  47
  48     t = pa_tagstruct_new(NULL, 0);
  49     pa_tagstruct_putu32(t, PA_COMMAND_CREATE_UPLOAD_STREAM);
  50     pa_tagstruct_putu32(t, tag = s->context->ctag++);
  51     pa_tagstruct_puts(t, s->name);
  52     pa_tagstruct_put_sample_spec(t, &s->sample_spec);
  53     pa_tagstruct_putu32(t, length);
  54     pa_pstream_send_tagstruct(s->context->pstream, t);
  55     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s);
  56
  57     pa_stream_unref(s);
  58 }
  59
  60 void pa_stream_finish_upload(pa_stream *s) {
  61     pa_tagstruct *t;
  62     uint32_t tag;
  63     assert(s);
  64
  65     if (!s->channel_valid || !s->context->state == PA_CONTEXT_READY)
  66         return;
  67
  68     pa_stream_ref(s);
  69
  70     t = pa_tagstruct_new(NULL, 0);
  71     assert(t);
  72
  73     pa_tagstruct_putu32(t, PA_COMMAND_FINISH_UPLOAD_STREAM);
  74     pa_tagstruct_putu32(t, tag = s->context->ctag++);
  75     pa_tagstruct_putu32(t, s->channel);
  76     pa_pstream_send_tagstruct(s->context->pstream, t);
  77     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s);
  78
  79     pa_stream_unref(s);
  80 }
  81
  82 pa_operation * pa_context_play_sample(pa_context *c, const char *name, const char *dev, uint32_t volume, void (*cb)(pa_context *c, int success, void *userdata), void *userdata) {
  83     pa_operation *o;
  84     pa_tagstruct *t;
  85     uint32_t tag;
  86     assert(c && name && *name && (!dev || *dev));
  87
  88     o = pa_operation_new(c, NULL);
  89     o->callback = (pa_operation_callback) cb;
  90     o->userdata = userdata;
  91
  92     if (!dev)
  93         dev = c->conf->default_sink;
  94
  95     t = pa_tagstruct_new(NULL, 0);
  96     assert(t);
  97     pa_tagstruct_putu32(t, PA_COMMAND_PLAY_SAMPLE);
  98     pa_tagstruct_putu32(t, tag = c->ctag++);
  99     pa_tagstruct_putu32(t, (uint32_t) -1);
 100     pa_tagstruct_puts(t, dev);
 101     pa_tagstruct_putu32(t, volume);
 102     pa_tagstruct_puts(t, name);
 103     pa_pstream_send_tagstruct(c->pstream, t);
 104     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, o);
 105
 106     return pa_operation_ref(o);
 107 }
 108
 109 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, void (*cb)(pa_context *c, int success, void *userdata), void *userdata) {
 110     pa_operation *o;
 111     pa_tagstruct *t;
 112     uint32_t tag;
 113     assert(c && name);
 114
 115     o = pa_operation_new(c, NULL);
 116     o->callback = (pa_operation_callback) cb;
 117     o->userdata = userdata;
 118
 119     t = pa_tagstruct_new(NULL, 0);
 120     assert(t);
 121     pa_tagstruct_putu32(t, PA_COMMAND_REMOVE_SAMPLE);
 122     pa_tagstruct_putu32(t, tag = c->ctag++);
 123     pa_tagstruct_puts(t, name);
 124     pa_pstream_send_tagstruct(c->pstream, t);
 125     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, o);
 126
 127     return pa_operation_ref(o);
 128 }
 129