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 int pa_stream_connect_upload(pa_stream *s, size_t length) {
  38     pa_tagstruct *t;
  39     uint32_t tag;
  40
  41     assert(s);
  42
  43     PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE);
  44     PA_CHECK_VALIDITY(s->context, length <= 0, PA_ERR_INVALID);
  45
  46     pa_stream_ref(s);
  47
  48     s->direction = PA_STREAM_UPLOAD;
  49
  50     t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
  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_set_state(s, PA_STREAM_CREATING);
  58
  59     pa_stream_unref(s);
  60     return 0;
  61 }
  62
  63 int pa_stream_finish_upload(pa_stream *s) {
  64     pa_tagstruct *t;
  65     uint32_t tag;
  66     assert(s);
  67
  68     PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
  69     PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  70
  71     pa_stream_ref(s);
  72
  73     t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
  74     pa_tagstruct_putu32(t, s->channel);
  75     pa_pstream_send_tagstruct(s->context->pstream, t);
  76     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s);
  77
  78     pa_stream_unref(s);
  79     return 0;
  80 }
  81
  82 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) {
  83     pa_operation *o;
  84     pa_tagstruct *t;
  85     uint32_t tag;
  86
  87     assert(c);
  88     assert(c->ref >= 1);
  89
  90     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  91     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
  92     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
  93
  94     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
  95
  96     if (!dev)
  97         dev = c->conf->default_sink;
  98
  99     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 100     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 101     pa_tagstruct_puts(t, dev);
 102     pa_tagstruct_putu32(t, volume);
 103     pa_tagstruct_puts(t, name);
 104     pa_pstream_send_tagstruct(c->pstream, t);
 105     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o));
 106
 107     return o;
 108 }
 109
 110 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
 111     pa_operation *o;
 112     pa_tagstruct *t;
 113     uint32_t tag;
 114
 115     assert(c);
 116     assert(c->ref >= 1);
 117
 118     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 119     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 120
 121     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 122
 123     t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag);
 124     pa_tagstruct_puts(t, name);
 125     pa_pstream_send_tagstruct(c->pstream, t);
 126     pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o));
 127
 128     return o;
 129 }
 130