1 | /*
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2 | * compress_params.h - codec types and parameters for compressed data
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3 | * streaming interface
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4 | *
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5 | * Copyright (C) 2011 Intel Corporation
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6 | * Authors: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
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7 | * Vinod Koul <vinod.koul@linux.intel.com>
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8 | *
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9 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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10 | *
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11 | * This program is free software; you can redistribute it and/or modify
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12 | * it under the terms of the GNU General Public License as published by
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13 | * the Free Software Foundation; version 2 of the License.
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14 | *
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15 | * This program is distributed in the hope that it will be useful, but
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16 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 | * General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License along
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21 | * with this program; if not, write to the Free Software Foundation, Inc.,
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22 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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23 | *
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24 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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25 | *
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26 | * The definitions in this file are derived from the OpenMAX AL version 1.1
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27 | * and OpenMAX IL v 1.1.2 header files which contain the copyright notice below.
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28 | *
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29 | * Copyright (c) 2007-2010 The Khronos Group Inc.
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30 | *
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31 | * Permission is hereby granted, free of charge, to any person obtaining
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32 | * a copy of this software and/or associated documentation files (the
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33 | * "Materials "), to deal in the Materials without restriction, including
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34 | * without limitation the rights to use, copy, modify, merge, publish,
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35 | * distribute, sublicense, and/or sell copies of the Materials, and to
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36 | * permit persons to whom the Materials are furnished to do so, subject to
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37 | * the following conditions:
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38 | *
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39 | * The above copyright notice and this permission notice shall be included
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40 | * in all copies or substantial portions of the Materials.
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41 | *
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42 | * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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43 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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44 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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45 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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46 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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47 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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48 | * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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49 | *
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50 | */
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51 | #ifndef __SND_COMPRESS_PARAMS_H
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52 | #define __SND_COMPRESS_PARAMS_H
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53 |
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54 | #include <linux/types.h>
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55 |
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56 | /* AUDIO CODECS SUPPORTED */
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57 | #define MAX_NUM_CODECS 32
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58 | #define MAX_NUM_CODEC_DESCRIPTORS 32
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59 | #define MAX_NUM_BITRATES 32
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60 |
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61 | /* Codecs are listed linearly to allow for extensibility */
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62 | #define SND_AUDIOCODEC_PCM ((__u32) 0x00000001)
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63 | #define SND_AUDIOCODEC_MP3 ((__u32) 0x00000002)
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64 | #define SND_AUDIOCODEC_AMR ((__u32) 0x00000003)
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65 | #define SND_AUDIOCODEC_AMRWB ((__u32) 0x00000004)
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66 | #define SND_AUDIOCODEC_AMRWBPLUS ((__u32) 0x00000005)
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67 | #define SND_AUDIOCODEC_AAC ((__u32) 0x00000006)
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68 | #define SND_AUDIOCODEC_WMA ((__u32) 0x00000007)
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69 | #define SND_AUDIOCODEC_REAL ((__u32) 0x00000008)
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70 | #define SND_AUDIOCODEC_VORBIS ((__u32) 0x00000009)
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71 | #define SND_AUDIOCODEC_FLAC ((__u32) 0x0000000A)
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72 | #define SND_AUDIOCODEC_IEC61937 ((__u32) 0x0000000B)
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73 | #define SND_AUDIOCODEC_G723_1 ((__u32) 0x0000000C)
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74 | #define SND_AUDIOCODEC_G729 ((__u32) 0x0000000D)
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75 | #define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_G729
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76 |
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77 | /*
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78 | * Profile and modes are listed with bit masks. This allows for a
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79 | * more compact representation of fields that will not evolve
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80 | * (in contrast to the list of codecs)
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81 | */
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82 |
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83 | #define SND_AUDIOPROFILE_PCM ((__u32) 0x00000001)
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84 |
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85 | /* MP3 modes are only useful for encoders */
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86 | #define SND_AUDIOCHANMODE_MP3_MONO ((__u32) 0x00000001)
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87 | #define SND_AUDIOCHANMODE_MP3_STEREO ((__u32) 0x00000002)
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88 | #define SND_AUDIOCHANMODE_MP3_JOINTSTEREO ((__u32) 0x00000004)
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89 | #define SND_AUDIOCHANMODE_MP3_DUAL ((__u32) 0x00000008)
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90 |
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91 | #define SND_AUDIOPROFILE_AMR ((__u32) 0x00000001)
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92 |
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93 | /* AMR modes are only useful for encoders */
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94 | #define SND_AUDIOMODE_AMR_DTX_OFF ((__u32) 0x00000001)
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95 | #define SND_AUDIOMODE_AMR_VAD1 ((__u32) 0x00000002)
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96 | #define SND_AUDIOMODE_AMR_VAD2 ((__u32) 0x00000004)
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97 |
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98 | #define SND_AUDIOSTREAMFORMAT_UNDEFINED ((__u32) 0x00000000)
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99 | #define SND_AUDIOSTREAMFORMAT_CONFORMANCE ((__u32) 0x00000001)
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100 | #define SND_AUDIOSTREAMFORMAT_IF1 ((__u32) 0x00000002)
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101 | #define SND_AUDIOSTREAMFORMAT_IF2 ((__u32) 0x00000004)
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102 | #define SND_AUDIOSTREAMFORMAT_FSF ((__u32) 0x00000008)
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103 | #define SND_AUDIOSTREAMFORMAT_RTPPAYLOAD ((__u32) 0x00000010)
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104 | #define SND_AUDIOSTREAMFORMAT_ITU ((__u32) 0x00000020)
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105 |
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106 | #define SND_AUDIOPROFILE_AMRWB ((__u32) 0x00000001)
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107 |
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108 | /* AMRWB modes are only useful for encoders */
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109 | #define SND_AUDIOMODE_AMRWB_DTX_OFF ((__u32) 0x00000001)
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110 | #define SND_AUDIOMODE_AMRWB_VAD1 ((__u32) 0x00000002)
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111 | #define SND_AUDIOMODE_AMRWB_VAD2 ((__u32) 0x00000004)
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112 |
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113 | #define SND_AUDIOPROFILE_AMRWBPLUS ((__u32) 0x00000001)
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114 |
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115 | #define SND_AUDIOPROFILE_AAC ((__u32) 0x00000001)
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116 |
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117 | /* AAC modes are required for encoders and decoders */
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118 | #define SND_AUDIOMODE_AAC_MAIN ((__u32) 0x00000001)
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119 | #define SND_AUDIOMODE_AAC_LC ((__u32) 0x00000002)
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120 | #define SND_AUDIOMODE_AAC_SSR ((__u32) 0x00000004)
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121 | #define SND_AUDIOMODE_AAC_LTP ((__u32) 0x00000008)
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122 | #define SND_AUDIOMODE_AAC_HE ((__u32) 0x00000010)
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123 | #define SND_AUDIOMODE_AAC_SCALABLE ((__u32) 0x00000020)
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124 | #define SND_AUDIOMODE_AAC_ERLC ((__u32) 0x00000040)
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125 | #define SND_AUDIOMODE_AAC_LD ((__u32) 0x00000080)
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126 | #define SND_AUDIOMODE_AAC_HE_PS ((__u32) 0x00000100)
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127 | #define SND_AUDIOMODE_AAC_HE_MPS ((__u32) 0x00000200)
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128 |
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129 | /* AAC formats are required for encoders and decoders */
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130 | #define SND_AUDIOSTREAMFORMAT_MP2ADTS ((__u32) 0x00000001)
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131 | #define SND_AUDIOSTREAMFORMAT_MP4ADTS ((__u32) 0x00000002)
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132 | #define SND_AUDIOSTREAMFORMAT_MP4LOAS ((__u32) 0x00000004)
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133 | #define SND_AUDIOSTREAMFORMAT_MP4LATM ((__u32) 0x00000008)
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134 | #define SND_AUDIOSTREAMFORMAT_ADIF ((__u32) 0x00000010)
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135 | #define SND_AUDIOSTREAMFORMAT_MP4FF ((__u32) 0x00000020)
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136 | #define SND_AUDIOSTREAMFORMAT_RAW ((__u32) 0x00000040)
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137 |
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138 | #define SND_AUDIOPROFILE_WMA7 ((__u32) 0x00000001)
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139 | #define SND_AUDIOPROFILE_WMA8 ((__u32) 0x00000002)
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140 | #define SND_AUDIOPROFILE_WMA9 ((__u32) 0x00000004)
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141 | #define SND_AUDIOPROFILE_WMA10 ((__u32) 0x00000008)
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142 |
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143 | #define SND_AUDIOMODE_WMA_LEVEL1 ((__u32) 0x00000001)
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144 | #define SND_AUDIOMODE_WMA_LEVEL2 ((__u32) 0x00000002)
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145 | #define SND_AUDIOMODE_WMA_LEVEL3 ((__u32) 0x00000004)
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146 | #define SND_AUDIOMODE_WMA_LEVEL4 ((__u32) 0x00000008)
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147 | #define SND_AUDIOMODE_WMAPRO_LEVELM0 ((__u32) 0x00000010)
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148 | #define SND_AUDIOMODE_WMAPRO_LEVELM1 ((__u32) 0x00000020)
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149 | #define SND_AUDIOMODE_WMAPRO_LEVELM2 ((__u32) 0x00000040)
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150 | #define SND_AUDIOMODE_WMAPRO_LEVELM3 ((__u32) 0x00000080)
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151 |
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152 | #define SND_AUDIOSTREAMFORMAT_WMA_ASF ((__u32) 0x00000001)
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153 | /*
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154 | * Some implementations strip the ASF header and only send ASF packets
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155 | * to the DSP
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156 | */
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157 | #define SND_AUDIOSTREAMFORMAT_WMA_NOASF_HDR ((__u32) 0x00000002)
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158 |
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159 | #define SND_AUDIOPROFILE_REALAUDIO ((__u32) 0x00000001)
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160 |
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161 | #define SND_AUDIOMODE_REALAUDIO_G2 ((__u32) 0x00000001)
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162 | #define SND_AUDIOMODE_REALAUDIO_8 ((__u32) 0x00000002)
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163 | #define SND_AUDIOMODE_REALAUDIO_10 ((__u32) 0x00000004)
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164 | #define SND_AUDIOMODE_REALAUDIO_SURROUND ((__u32) 0x00000008)
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165 |
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166 | #define SND_AUDIOPROFILE_VORBIS ((__u32) 0x00000001)
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167 |
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168 | #define SND_AUDIOMODE_VORBIS ((__u32) 0x00000001)
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169 |
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170 | #define SND_AUDIOPROFILE_FLAC ((__u32) 0x00000001)
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171 |
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172 | /*
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173 | * Define quality levels for FLAC encoders, from LEVEL0 (fast)
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174 | * to LEVEL8 (best)
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175 | */
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176 | #define SND_AUDIOMODE_FLAC_LEVEL0 ((__u32) 0x00000001)
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177 | #define SND_AUDIOMODE_FLAC_LEVEL1 ((__u32) 0x00000002)
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178 | #define SND_AUDIOMODE_FLAC_LEVEL2 ((__u32) 0x00000004)
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179 | #define SND_AUDIOMODE_FLAC_LEVEL3 ((__u32) 0x00000008)
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180 | #define SND_AUDIOMODE_FLAC_LEVEL4 ((__u32) 0x00000010)
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181 | #define SND_AUDIOMODE_FLAC_LEVEL5 ((__u32) 0x00000020)
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182 | #define SND_AUDIOMODE_FLAC_LEVEL6 ((__u32) 0x00000040)
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183 | #define SND_AUDIOMODE_FLAC_LEVEL7 ((__u32) 0x00000080)
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184 | #define SND_AUDIOMODE_FLAC_LEVEL8 ((__u32) 0x00000100)
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185 |
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186 | #define SND_AUDIOSTREAMFORMAT_FLAC ((__u32) 0x00000001)
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187 | #define SND_AUDIOSTREAMFORMAT_FLAC_OGG ((__u32) 0x00000002)
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188 |
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189 | /* IEC61937 payloads without CUVP and preambles */
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190 | #define SND_AUDIOPROFILE_IEC61937 ((__u32) 0x00000001)
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191 | /* IEC61937 with S/PDIF preambles+CUVP bits in 32-bit containers */
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192 | #define SND_AUDIOPROFILE_IEC61937_SPDIF ((__u32) 0x00000002)
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193 |
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194 | /*
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195 | * IEC modes are mandatory for decoders. Format autodetection
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196 | * will only happen on the DSP side with mode 0. The PCM mode should
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197 | * not be used, the PCM codec should be used instead.
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198 | */
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199 | #define SND_AUDIOMODE_IEC_REF_STREAM_HEADER ((__u32) 0x00000000)
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200 | #define SND_AUDIOMODE_IEC_LPCM ((__u32) 0x00000001)
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201 | #define SND_AUDIOMODE_IEC_AC3 ((__u32) 0x00000002)
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202 | #define SND_AUDIOMODE_IEC_MPEG1 ((__u32) 0x00000004)
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203 | #define SND_AUDIOMODE_IEC_MP3 ((__u32) 0x00000008)
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204 | #define SND_AUDIOMODE_IEC_MPEG2 ((__u32) 0x00000010)
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205 | #define SND_AUDIOMODE_IEC_AACLC ((__u32) 0x00000020)
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206 | #define SND_AUDIOMODE_IEC_DTS ((__u32) 0x00000040)
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207 | #define SND_AUDIOMODE_IEC_ATRAC ((__u32) 0x00000080)
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208 | #define SND_AUDIOMODE_IEC_SACD ((__u32) 0x00000100)
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209 | #define SND_AUDIOMODE_IEC_EAC3 ((__u32) 0x00000200)
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210 | #define SND_AUDIOMODE_IEC_DTS_HD ((__u32) 0x00000400)
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211 | #define SND_AUDIOMODE_IEC_MLP ((__u32) 0x00000800)
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212 | #define SND_AUDIOMODE_IEC_DST ((__u32) 0x00001000)
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213 | #define SND_AUDIOMODE_IEC_WMAPRO ((__u32) 0x00002000)
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214 | #define SND_AUDIOMODE_IEC_REF_CXT ((__u32) 0x00004000)
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215 | #define SND_AUDIOMODE_IEC_HE_AAC ((__u32) 0x00008000)
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216 | #define SND_AUDIOMODE_IEC_HE_AAC2 ((__u32) 0x00010000)
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217 | #define SND_AUDIOMODE_IEC_MPEG_SURROUND ((__u32) 0x00020000)
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218 |
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219 | #define SND_AUDIOPROFILE_G723_1 ((__u32) 0x00000001)
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220 |
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221 | #define SND_AUDIOMODE_G723_1_ANNEX_A ((__u32) 0x00000001)
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222 | #define SND_AUDIOMODE_G723_1_ANNEX_B ((__u32) 0x00000002)
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223 | #define SND_AUDIOMODE_G723_1_ANNEX_C ((__u32) 0x00000004)
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224 |
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225 | #define SND_AUDIOPROFILE_G729 ((__u32) 0x00000001)
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226 |
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227 | #define SND_AUDIOMODE_G729_ANNEX_A ((__u32) 0x00000001)
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228 | #define SND_AUDIOMODE_G729_ANNEX_B ((__u32) 0x00000002)
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229 |
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230 | /* <FIXME: multichannel encoders aren't supported for now. Would need
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231 | an additional definition of channel arrangement> */
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232 |
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233 | /* VBR/CBR definitions */
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234 | #define SND_RATECONTROLMODE_CONSTANTBITRATE ((__u32) 0x00000001)
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235 | #define SND_RATECONTROLMODE_VARIABLEBITRATE ((__u32) 0x00000002)
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236 |
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237 | /* Encoder options */
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238 |
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239 | struct snd_enc_wma {
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240 | __u32 super_block_align; /* WMA Type-specific data */
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241 | };
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242 |
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243 |
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244 | /**
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245 | * struct snd_enc_vorbis
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246 | * @quality: Sets encoding quality to n, between -1 (low) and 10 (high).
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247 | * In the default mode of operation, the quality level is 3.
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248 | * Normal quality range is 0 - 10.
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249 | * @managed: Boolean. Set bitrate management mode. This turns off the
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250 | * normal VBR encoding, but allows hard or soft bitrate constraints to be
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251 | * enforced by the encoder. This mode can be slower, and may also be
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252 | * lower quality. It is primarily useful for streaming.
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253 | * @max_bit_rate: Enabled only if managed is TRUE
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254 | * @min_bit_rate: Enabled only if managed is TRUE
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255 | * @downmix: Boolean. Downmix input from stereo to mono (has no effect on
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256 | * non-stereo streams). Useful for lower-bitrate encoding.
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257 | *
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258 | * These options were extracted from the OpenMAX IL spec and Gstreamer vorbisenc
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259 | * properties
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260 | *
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261 | * For best quality users should specify VBR mode and set quality levels.
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262 | */
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263 |
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264 | struct snd_enc_vorbis {
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265 | __s32 quality;
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266 | __u32 managed;
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267 | __u32 max_bit_rate;
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268 | __u32 min_bit_rate;
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269 | __u32 downmix;
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270 | };
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271 |
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272 |
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273 | /**
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274 | * struct snd_enc_real
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275 | * @quant_bits: number of coupling quantization bits in the stream
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276 | * @start_region: coupling start region in the stream
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277 | * @num_regions: number of regions value
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278 | *
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279 | * These options were extracted from the OpenMAX IL spec
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280 | */
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281 |
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282 | struct snd_enc_real {
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283 | __u32 quant_bits;
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284 | __u32 start_region;
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285 | __u32 num_regions;
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286 | };
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287 |
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288 | /**
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289 | * struct snd_enc_flac
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290 | * @num: serial number, valid only for OGG formats
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291 | * needs to be set by application
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292 | * @gain: Add replay gain tags
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293 | *
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294 | * These options were extracted from the FLAC online documentation
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295 | * at http://flac.sourceforge.net/documentation_tools_flac.html
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296 | *
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297 | * To make the API simpler, it is assumed that the user will select quality
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298 | * profiles. Additional options that affect encoding quality and speed can
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299 | * be added at a later stage if needed.
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300 | *
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301 | * By default the Subset format is used by encoders.
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302 | *
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303 | * TAGS such as pictures, etc, cannot be handled by an offloaded encoder and are
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304 | * not supported in this API.
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305 | */
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306 |
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307 | struct snd_enc_flac {
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308 | __u32 num;
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309 | __u32 gain;
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310 | };
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311 |
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312 | struct snd_enc_generic {
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313 | __u32 bw; /* encoder bandwidth */
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314 | __s32 reserved[15];
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315 | };
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316 |
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317 | union snd_codec_options {
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318 | struct snd_enc_wma wma;
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319 | struct snd_enc_vorbis vorbis;
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320 | struct snd_enc_real real;
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321 | struct snd_enc_flac flac;
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322 | struct snd_enc_generic generic;
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323 | };
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324 |
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325 | /** struct snd_codec_desc - description of codec capabilities
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326 | * @max_ch: Maximum number of audio channels
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327 | * @sample_rates: Sampling rates in Hz, use SNDRV_PCM_RATE_xxx for this
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328 | * @bit_rate: Indexed array containing supported bit rates
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329 | * @num_bitrates: Number of valid values in bit_rate array
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330 | * @rate_control: value is specified by SND_RATECONTROLMODE defines.
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331 | * @profiles: Supported profiles. See SND_AUDIOPROFILE defines.
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332 | * @modes: Supported modes. See SND_AUDIOMODE defines
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333 | * @formats: Supported formats. See SND_AUDIOSTREAMFORMAT defines
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334 | * @min_buffer: Minimum buffer size handled by codec implementation
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335 | * @reserved: reserved for future use
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336 | *
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337 | * This structure provides a scalar value for profiles, modes and stream
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338 | * format fields.
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339 | * If an implementation supports multiple combinations, they will be listed as
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340 | * codecs with different descriptors, for example there would be 2 descriptors
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341 | * for AAC-RAW and AAC-ADTS.
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342 | * This entails some redundancy but makes it easier to avoid invalid
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343 | * configurations.
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344 | *
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345 | */
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346 |
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347 | struct snd_codec_desc {
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348 | __u32 max_ch;
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349 | __u32 sample_rates;
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350 | __u32 bit_rate[MAX_NUM_BITRATES];
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351 | __u32 num_bitrates;
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352 | __u32 rate_control;
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353 | __u32 profiles;
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354 | __u32 modes;
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355 | __u32 formats;
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356 | __u32 min_buffer;
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357 | __u32 reserved[15];
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358 | };
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359 |
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360 | /** struct snd_codec
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361 | * @id: Identifies the supported audio encoder/decoder.
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362 | * See SND_AUDIOCODEC macros.
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363 | * @ch_in: Number of input audio channels
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364 | * @ch_out: Number of output channels. In case of contradiction between
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365 | * this field and the channelMode field, the channelMode field
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366 | * overrides.
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367 | * @sample_rate: Audio sample rate of input data
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368 | * @bit_rate: Bitrate of encoded data. May be ignored by decoders
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369 | * @rate_control: Encoding rate control. See SND_RATECONTROLMODE defines.
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370 | * Encoders may rely on profiles for quality levels.
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371 | * May be ignored by decoders.
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372 | * @profile: Mandatory for encoders, can be mandatory for specific
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373 | * decoders as well. See SND_AUDIOPROFILE defines.
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374 | * @level: Supported level (Only used by WMA at the moment)
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375 | * @ch_mode: Channel mode for encoder. See SND_AUDIOCHANMODE defines
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376 | * @format: Format of encoded bistream. Mandatory when defined.
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377 | * See SND_AUDIOSTREAMFORMAT defines.
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378 | * @align: Block alignment in bytes of an audio sample.
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379 | * Only required for PCM or IEC formats.
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380 | * @options: encoder-specific settings
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381 | * @reserved: reserved for future use
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382 | */
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383 |
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384 | struct snd_codec {
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385 | __u32 id;
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386 | __u32 ch_in;
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387 | __u32 ch_out;
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388 | __u32 sample_rate;
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389 | __u32 bit_rate;
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390 | __u32 rate_control;
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391 | __u32 profile;
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392 | __u32 level;
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393 | __u32 ch_mode;
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394 | __u32 format;
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395 | __u32 align;
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396 | union snd_codec_options options;
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397 | __u32 reserved[3];
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398 | };
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399 |
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400 | #endif
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