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

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7
   8   PulseAudio is free software; you can redistribute it and/or modify
   9   it under the terms of the GNU Lesser General Public License as published
  10   by the Free Software Foundation; either version 2 of the License,
  11   or (at your option) any later version.
  12
  13   PulseAudio is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with PulseAudio; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21   USA.
  22 ***/
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <assert.h>
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32
  33 #include <pulsecore/pstream-util.h>
  34
  35 #include "internal.h"
  36
  37 #include "scache.h"
  38
  39 int pa_stream_connect_upload(pa_stream *s, size_t length) {
  40     pa_tagstruct *t;
  41     uint32_t tag;
  42
  43     assert(s);
  44
  45     PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE);
  46     PA_CHECK_VALIDITY(s->context, length > 0, PA_ERR_INVALID);
  47
  48     pa_stream_ref(s);
  49
  50     s->direction = PA_STREAM_UPLOAD;
  51
  52     t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
  53     pa_tagstruct_puts(t, s->name);
  54     pa_tagstruct_put_sample_spec(t, &s->sample_spec);
  55     pa_tagstruct_put_channel_map(t, &s->channel_map);
  56     pa_tagstruct_putu32(t, length);
  57     pa_pstream_send_tagstruct(s->context->pstream, t);
  58     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
  59
  60     pa_stream_set_state(s, PA_STREAM_CREATING);
  61
  62     pa_stream_unref(s);
  63     return 0;
  64 }
  65
  66 int pa_stream_finish_upload(pa_stream *s) {
  67     pa_tagstruct *t;
  68     uint32_t tag;
  69     assert(s);
  70
  71     PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
  72     PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  73
  74     pa_stream_ref(s);
  75
  76     t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
  77     pa_tagstruct_putu32(t, s->channel);
  78     pa_pstream_send_tagstruct(s->context->pstream, t);
  79     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL);
  80
  81     pa_stream_unref(s);
  82     return 0;
  83 }
  84
  85 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) {
  86     pa_operation *o;
  87     pa_tagstruct *t;
  88     uint32_t tag;
  89
  90     assert(c);
  91     assert(c->ref >= 1);
  92
  93     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  94     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
  95     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
  96
  97     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
  98
  99     if (!dev)
 100         dev = c->conf->default_sink;
 101
 102     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 103     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 104     pa_tagstruct_puts(t, dev);
 105     pa_tagstruct_putu32(t, volume);
 106     pa_tagstruct_puts(t, name);
 107     pa_pstream_send_tagstruct(c->pstream, t);
 108     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);
 109
 110     return o;
 111 }
 112
 113 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
 114     pa_operation *o;
 115     pa_tagstruct *t;
 116     uint32_t tag;
 117
 118     assert(c);
 119     assert(c->ref >= 1);
 120
 121     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 122     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 123
 124     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 125
 126     t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag);
 127     pa_tagstruct_puts(t, name);
 128     pa_pstream_send_tagstruct(c->pstream, t);
 129     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);
 130
 131     return o;
 132 }
 133