src/apps/cortex/addons/AudioAdapter/AudioAdapterParams.cpp

   1 /*
   2  * Copyright (c) 1999-2000, Eric Moon.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions, and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  27  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31
  32 // AudioAdapterParams.cpp
  33
  34 #include "AudioAdapterParams.h"
  35
  36 #include <Debug.h>
  37 #include <ParameterWeb.h>
  38
  39 status_t
  40 _AudioAdapterParams::store(int32 parameterID, const void* data, size_t size)
  41 {
  42         if (size < sizeof(int32))
  43                 return B_NO_MEMORY;
  44
  45         const uint32 d = *(uint32*)data;
  46
  47         switch (parameterID) {
  48                 // input format restrictions (0='wildcard')
  49                 case P_INPUT_FORMAT:
  50                         inputFormat.format = d;
  51                         break;
  52
  53                 case P_INPUT_CHANNEL_COUNT:
  54                         inputFormat.channel_count = d;
  55                         break;
  56
  57                 // output format restrictions (0='wildcard')
  58                 case P_OUTPUT_FORMAT:
  59                         outputFormat.format = d;
  60                         break;
  61
  62                 case P_OUTPUT_CHANNEL_COUNT:
  63                         outputFormat.channel_count = d;
  64                         break;
  65
  66                 default:
  67                         return B_BAD_INDEX;
  68         }
  69
  70         return B_OK;
  71 }
  72
  73 status_t _AudioAdapterParams::retrieve(
  74         int32                                                                           parameterID,
  75         void*                                                                           data,
  76         size_t*                                                                 ioSize) {
  77
  78         if(*ioSize < sizeof(int32)) {
  79                 *ioSize = sizeof(int32);
  80                 return B_NO_MEMORY;
  81         }
  82
  83         switch(parameterID) {
  84                 // input format restrictions (0='wildcard')
  85                 case P_INPUT_FORMAT:
  86                         *(uint32*)data = inputFormat.format;
  87                         break;
  88
  89                 case P_INPUT_CHANNEL_COUNT:
  90                         *(uint32*)data = inputFormat.channel_count;
  91                         break;
  92
  93                 // output format restrictions (0='wildcard')
  94                 case P_OUTPUT_FORMAT:
  95                         *(uint32*)data = outputFormat.format;
  96                         PRINT(("P_OUTPUT_FORMAT retrieved\n")); //+++++
  97                         break;
  98
  99                 case P_OUTPUT_CHANNEL_COUNT:
 100                         *(uint32*)data = outputFormat.channel_count;
 101                         break;
 102
 103                 default:
 104                         return B_BAD_INDEX;
 105         }
 106
 107         return B_OK;
 108 }
 109
 110 void _AudioAdapterParams::populateGroup(
 111         BParameterGroup*                                group) {
 112
 113         BParameterGroup* inputGroup = group->MakeGroup("Input Format");
 114
 115         BNullParameter* groupName;
 116         BDiscreteParameter* param;
 117
 118         groupName = inputGroup->MakeNullParameter(
 119                 0, B_MEDIA_NO_TYPE, "Input Format", B_GENERIC);
 120
 121         param = inputGroup->MakeDiscreteParameter(
 122                 P_INPUT_FORMAT,
 123                 B_MEDIA_NO_TYPE,
 124                 "Sample format:",
 125                 B_GENERIC);
 126         param->AddItem(
 127                 0,
 128                 "*");
 129         param->AddItem(
 130                 media_multi_audio_format::B_AUDIO_FLOAT,
 131                 "float");
 132         param->AddItem(
 133                 media_multi_audio_format::B_AUDIO_SHORT,
 134                 "short");
 135         param->AddItem(
 136                 media_multi_audio_format::B_AUDIO_INT,
 137                 "int32");
 138         param->AddItem(
 139                 media_multi_audio_format::B_AUDIO_UCHAR,
 140                 "uint8");
 141
 142         param = inputGroup->MakeDiscreteParameter(
 143                 P_INPUT_CHANNEL_COUNT,
 144                 B_MEDIA_NO_TYPE,
 145                 "Channels:",
 146                 B_GENERIC);
 147         param->AddItem(
 148                 0,
 149                 "*");
 150         param->AddItem(
 151                 1,
 152                 "mono");
 153         param->AddItem(
 154                 2,
 155                 "stereo");
 156         param->AddItem(
 157                 4,
 158                 "4");
 159         param->AddItem(
 160                 8,
 161                 "8");
 162
 163         BParameterGroup* outputGroup = group->MakeGroup("Output Format");
 164
 165         groupName = outputGroup->MakeNullParameter(
 166                 0, B_MEDIA_NO_TYPE, "Output Format", B_GENERIC);
 167
 168         param = outputGroup->MakeDiscreteParameter(
 169                 P_OUTPUT_FORMAT,
 170                 B_MEDIA_NO_TYPE,
 171                 "Sample format:",
 172                 B_GENERIC);
 173         param->AddItem(
 174                 0,
 175                 "*");
 176         param->AddItem(
 177                 media_multi_audio_format::B_AUDIO_FLOAT,
 178                 "float");
 179         param->AddItem(
 180                 media_multi_audio_format::B_AUDIO_SHORT,
 181                 "short");
 182         param->AddItem(
 183                 media_multi_audio_format::B_AUDIO_INT,
 184                 "int32");
 185         param->AddItem(
 186                 media_multi_audio_format::B_AUDIO_UCHAR,
 187                 "uint8");
 188
 189         param = outputGroup->MakeDiscreteParameter(
 190                 P_OUTPUT_CHANNEL_COUNT,
 191                 B_MEDIA_NO_TYPE,
 192                 "Channels:",
 193                 B_GENERIC);
 194         param->AddItem(
 195                 0,
 196                 "*");
 197         param->AddItem(
 198                 1,
 199                 "mono");
 200         param->AddItem(
 201                 2,
 202                 "stereo");
 203         param->AddItem(
 204                 4,
 205                 "4");
 206         param->AddItem(
 207                 8,
 208                 "8");
 209 }
 210
 211 // END -- AudioAdapterParams.cpp
 212