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

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   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 <assert.h>
  27 #include <stdlib.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30
  31 #include <pulsecore/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_put_channel_map(t, &s->channel_map);
  54     pa_tagstruct_putu32(t, length);
  55     pa_pstream_send_tagstruct(s->context->pstream, t);
  56     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
  57
  58     pa_stream_set_state(s, PA_STREAM_CREATING);
  59
  60     pa_stream_unref(s);
  61     return 0;
  62 }
  63
  64 int pa_stream_finish_upload(pa_stream *s) {
  65     pa_tagstruct *t;
  66     uint32_t tag;
  67     assert(s);
  68
  69     PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
  70     PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  71
  72     pa_stream_ref(s);
  73
  74     t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
  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, NULL);
  78
  79     pa_stream_unref(s);
  80     return 0;
  81 }
  82
  83 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) {
  84     pa_operation *o;
  85     pa_tagstruct *t;
  86     uint32_t tag;
  87
  88     assert(c);
  89     assert(c->ref >= 1);
  90
  91     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  92     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
  93     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
  94
  95     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
  96
  97     if (!dev)
  98         dev = c->conf->default_sink;
  99
 100     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 101     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 102     pa_tagstruct_puts(t, dev);
 103     pa_tagstruct_putu32(t, volume);
 104     pa_tagstruct_puts(t, name);
 105     pa_pstream_send_tagstruct(c->pstream, t);
 106     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);
 107
 108     return o;
 109 }
 110
 111 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
 112     pa_operation *o;
 113     pa_tagstruct *t;
 114     uint32_t tag;
 115
 116     assert(c);
 117     assert(c->ref >= 1);
 118
 119     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 120     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 121
 122     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 123
 124     t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag);
 125     pa_tagstruct_puts(t, name);
 126     pa_pstream_send_tagstruct(c->pstream, t);
 127     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);
 128
 129     return o;
 130 }
 131