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 <stdlib.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include <pulsecore/pstream-util.h>
  33 #include <pulsecore/macro.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     pa_assert(s);
  44     pa_assert(PA_REFCNT_VALUE(s) >= 1);
  45
  46     PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE);
  47     PA_CHECK_VALIDITY(s->context, length > 0, PA_ERR_INVALID);
  48
  49     pa_stream_ref(s);
  50
  51     s->direction = PA_STREAM_UPLOAD;
  52
  53     t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
  54     pa_tagstruct_puts(t, s->name);
  55     pa_tagstruct_put_sample_spec(t, &s->sample_spec);
  56     pa_tagstruct_put_channel_map(t, &s->channel_map);
  57     pa_tagstruct_putu32(t, length);
  58     pa_pstream_send_tagstruct(s->context->pstream, t);
  59     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
  60
  61     pa_stream_set_state(s, PA_STREAM_CREATING);
  62
  63     pa_stream_unref(s);
  64     return 0;
  65 }
  66
  67 int pa_stream_finish_upload(pa_stream *s) {
  68     pa_tagstruct *t;
  69     uint32_t tag;
  70
  71     pa_assert(s);
  72     pa_assert(PA_REFCNT_VALUE(s) >= 1);
  73
  74     PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
  75     PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  76
  77     pa_stream_ref(s);
  78
  79     t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
  80     pa_tagstruct_putu32(t, s->channel);
  81     pa_pstream_send_tagstruct(s->context->pstream, t);
  82     pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL);
  83
  84     pa_stream_unref(s);
  85     return 0;
  86 }
  87
  88 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) {
  89     pa_operation *o;
  90     pa_tagstruct *t;
  91     uint32_t tag;
  92
  93     pa_assert(c);
  94     pa_assert(PA_REFCNT_VALUE(c) >= 1);
  95
  96     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
  97     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
  98     PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
  99
 100     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 101
 102     if (!dev)
 103         dev = c->conf->default_sink;
 104
 105     t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
 106     pa_tagstruct_putu32(t, PA_INVALID_INDEX);
 107     pa_tagstruct_puts(t, dev);
 108     pa_tagstruct_putu32(t, volume);
 109     pa_tagstruct_puts(t, name);
 110     pa_pstream_send_tagstruct(c->pstream, t);
 111     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);
 112
 113     return o;
 114 }
 115
 116 pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
 117     pa_operation *o;
 118     pa_tagstruct *t;
 119     uint32_t tag;
 120
 121     pa_assert(c);
 122     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 123
 124     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 125     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 126
 127     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
 128
 129     t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag);
 130     pa_tagstruct_puts(t, name);
 131     pa_pstream_send_tagstruct(c->pstream, t);
 132     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);
 133
 134     return o;
 135 }
 136