1 | /* $Id: tstAudioMixBuffer.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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2 | /** @file
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3 | * Audio testcase - Mixing buffer.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2014-2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 |
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29 | /*********************************************************************************************************************************
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30 | * Header Files *
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31 | *********************************************************************************************************************************/
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32 | #include <iprt/errcore.h>
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33 | #include <iprt/initterm.h>
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34 | #include <iprt/mem.h>
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35 | #include <iprt/rand.h>
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36 | #include <iprt/stream.h>
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37 | #include <iprt/string.h>
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38 | #include <iprt/test.h>
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39 |
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40 | #include <VBox/vmm/pdm.h>
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41 | #include <VBox/vmm/pdmaudioinline.h>
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42 |
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43 | #include "../AudioMixBuffer.h"
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44 | #include "../AudioHlp.h"
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45 |
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46 | #define _USE_MATH_DEFINES
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47 | #include <math.h> /* sin, M_PI */
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48 |
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49 |
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50 | /*********************************************************************************************************************************
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51 | * Global Variables *
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52 | *********************************************************************************************************************************/
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53 | #ifdef RT_LITTLE_ENDIAN
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54 | bool const g_fLittleEndian = true;
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55 | #else
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56 | bool const g_fLittleEndian = false;
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57 | #endif
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58 |
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59 |
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60 | static void tstBasics(RTTEST hTest)
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61 | {
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62 | RTTestSub(hTest, "Basics");
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63 |
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64 | const PDMAUDIOPCMPROPS Cfg441StereoS16 = PDMAUDIOPCMPROPS_INITIALIZER(
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65 | /* a_cb: */ 2,
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66 | /* a_fSigned: */ true,
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67 | /* a_cChannels: */ 2,
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68 | /* a_uHz: */ 44100,
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69 | /* a_fSwapEndian: */ false
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70 | );
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71 | const PDMAUDIOPCMPROPS Cfg441StereoU16 = PDMAUDIOPCMPROPS_INITIALIZER(
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72 | /* a_cb: */ 2,
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73 | /* a_fSigned: */ false,
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74 | /* a_cChannels: */ 2,
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75 | /* a_uHz: */ 44100,
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76 | /* a_fSwapEndian: */ false
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77 | );
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78 | const PDMAUDIOPCMPROPS Cfg441StereoU32 = PDMAUDIOPCMPROPS_INITIALIZER(
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79 | /* a_cb: */ 4,
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80 | /* a_fSigned: */ false,
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81 | /* a_cChannels: */ 2,
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82 | /* a_uHz: */ 44100,
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83 | /* a_fSwapEndian: */ false
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84 | );
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85 |
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86 | RTTESTI_CHECK(PDMAudioPropsGetBitrate(&Cfg441StereoS16) == 44100*4*8);
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87 | RTTESTI_CHECK(PDMAudioPropsGetBitrate(&Cfg441StereoU16) == 44100*4*8);
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88 | RTTESTI_CHECK(PDMAudioPropsGetBitrate(&Cfg441StereoU32) == 44100*8*8);
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89 |
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90 | RTTESTI_CHECK(AudioHlpPcmPropsAreValidAndSupported(&Cfg441StereoS16));
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91 | RTTESTI_CHECK(AudioHlpPcmPropsAreValidAndSupported(&Cfg441StereoU16));
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92 | RTTESTI_CHECK(AudioHlpPcmPropsAreValidAndSupported(&Cfg441StereoU32));
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93 |
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94 |
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95 | RTTESTI_CHECK_MSG(PDMAUDIOPCMPROPS_F2B(&Cfg441StereoS16, 1) == 4,
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96 | ("got %x, expected 4\n", PDMAUDIOPCMPROPS_F2B(&Cfg441StereoS16, 1)));
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97 | RTTESTI_CHECK_MSG(PDMAUDIOPCMPROPS_F2B(&Cfg441StereoU16, 1) == 4,
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98 | ("got %x, expected 4\n", PDMAUDIOPCMPROPS_F2B(&Cfg441StereoU16, 1)));
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99 | RTTESTI_CHECK_MSG(PDMAUDIOPCMPROPS_F2B(&Cfg441StereoU32, 1) == 8,
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100 | ("got %x, expected 4\n", PDMAUDIOPCMPROPS_F2B(&Cfg441StereoU32, 1)));
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101 |
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102 | RTTESTI_CHECK_MSG(PDMAudioPropsBytesPerFrame(&Cfg441StereoS16) == 4,
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103 | ("got %x, expected 4\n", PDMAudioPropsBytesPerFrame(&Cfg441StereoS16)));
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104 | RTTESTI_CHECK_MSG(PDMAudioPropsBytesPerFrame(&Cfg441StereoU16) == 4,
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105 | ("got %x, expected 4\n", PDMAudioPropsBytesPerFrame(&Cfg441StereoU16)));
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106 | RTTESTI_CHECK_MSG(PDMAudioPropsBytesPerFrame(&Cfg441StereoU32) == 8,
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107 | ("got %x, expected 4\n", PDMAudioPropsBytesPerFrame(&Cfg441StereoU32)));
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108 |
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109 | uint32_t u32;
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110 | for (uint32_t i = 0; i < 256; i += 8)
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111 | {
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112 | RTTESTI_CHECK(PDMAudioPropsIsSizeAligned(&Cfg441StereoU32, i) == true);
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113 | for (uint32_t j = 1; j < 8; j++)
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114 | RTTESTI_CHECK(PDMAudioPropsIsSizeAligned(&Cfg441StereoU32, i + j) == false);
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115 | for (uint32_t j = 0; j < 8; j++)
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116 | RTTESTI_CHECK(PDMAudioPropsFloorBytesToFrame(&Cfg441StereoU32, i + j) == i);
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117 | }
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118 | for (uint32_t i = 0; i < 4096; i += 4)
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119 | {
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120 | RTTESTI_CHECK(PDMAudioPropsIsSizeAligned(&Cfg441StereoS16, i) == true);
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121 | for (uint32_t j = 1; j < 4; j++)
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122 | RTTESTI_CHECK(PDMAudioPropsIsSizeAligned(&Cfg441StereoS16, i + j) == false);
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123 | for (uint32_t j = 0; j < 4; j++)
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124 | RTTESTI_CHECK(PDMAudioPropsFloorBytesToFrame(&Cfg441StereoS16, i + j) == i);
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125 | }
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126 |
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127 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsFramesToBytes(&Cfg441StereoS16, 44100)) == 44100 * 2 * 2,
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128 | ("cb=%RU32\n", u32));
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129 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsFramesToBytes(&Cfg441StereoS16, 2)) == 2 * 2 * 2,
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130 | ("cb=%RU32\n", u32));
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131 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsFramesToBytes(&Cfg441StereoS16, 1)) == 4,
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132 | ("cb=%RU32\n", u32));
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133 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsFramesToBytes(&Cfg441StereoU16, 1)) == 4,
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134 | ("cb=%RU32\n", u32));
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135 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsFramesToBytes(&Cfg441StereoU32, 1)) == 8,
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136 | ("cb=%RU32\n", u32));
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137 |
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138 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsBytesToFrames(&Cfg441StereoS16, 4)) == 1, ("cb=%RU32\n", u32));
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139 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsBytesToFrames(&Cfg441StereoU16, 4)) == 1, ("cb=%RU32\n", u32));
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140 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsBytesToFrames(&Cfg441StereoU32, 8)) == 1, ("cb=%RU32\n", u32));
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141 |
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142 | uint64_t u64;
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143 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsBytesToNano(&Cfg441StereoS16, 44100 * 2 * 2)) == RT_NS_1SEC,
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144 | ("ns=%RU64\n", u64));
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145 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsBytesToMicro(&Cfg441StereoS16, 44100 * 2 * 2)) == RT_US_1SEC,
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146 | ("us=%RU64\n", u64));
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147 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsBytesToMilli(&Cfg441StereoS16, 44100 * 2 * 2)) == RT_MS_1SEC,
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148 | ("ms=%RU64\n", u64));
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149 |
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150 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsFramesToNano(&Cfg441StereoS16, 44100)) == RT_NS_1SEC, ("ns=%RU64\n", u64));
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151 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsFramesToNano(&Cfg441StereoS16, 1)) == 22675, ("ns=%RU64\n", u64));
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152 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsFramesToNano(&Cfg441StereoS16, 31)) == 702947, ("ns=%RU64\n", u64));
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153 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsFramesToNano(&Cfg441StereoS16, 255)) == 5782312, ("ns=%RU64\n", u64));
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154 | //RTTESTI_CHECK_MSG((u64 = DrvAudioHlpFramesToMicro(&Cfg441StereoS16, 44100)) == RT_US_1SEC,
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155 | // ("us=%RU64\n", u64));
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156 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsFramesToMilli(&Cfg441StereoS16, 44100)) == RT_MS_1SEC, ("ms=%RU64\n", u64));
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157 | RTTESTI_CHECK_MSG((u64 = PDMAudioPropsFramesToMilli(&Cfg441StereoS16, 255)) == 5, ("ms=%RU64\n", u64));
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158 |
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159 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsNanoToFrames(&Cfg441StereoS16, RT_NS_1SEC)) == 44100, ("cb=%RU32\n", u32));
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160 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsNanoToFrames(&Cfg441StereoS16, 215876)) == 10, ("cb=%RU32\n", u32));
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161 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsMilliToFrames(&Cfg441StereoS16, RT_MS_1SEC)) == 44100, ("cb=%RU32\n", u32));
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162 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsMilliToFrames(&Cfg441StereoU32, 6)) == 265, ("cb=%RU32\n", u32));
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163 |
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164 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsNanoToBytes(&Cfg441StereoS16, RT_NS_1SEC)) == 44100*2*2, ("cb=%RU32\n", u32));
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165 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsNanoToBytes(&Cfg441StereoS16, 702947)) == 31*2*2, ("cb=%RU32\n", u32));
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166 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsMilliToBytes(&Cfg441StereoS16, RT_MS_1SEC)) == 44100*2*2, ("cb=%RU32\n", u32));
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167 | RTTESTI_CHECK_MSG((u32 = PDMAudioPropsMilliToBytes(&Cfg441StereoS16, 5)) == 884, ("cb=%RU32\n", u32));
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168 |
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169 | /* DrvAudioHlpClearBuf: */
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170 | uint8_t *pbPage;
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171 | int rc = RTTestGuardedAlloc(hTest, HOST_PAGE_SIZE, 0, false /*fHead*/, (void **)&pbPage);
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172 | RTTESTI_CHECK_RC_OK_RETV(rc);
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173 |
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174 | memset(pbPage, 0x42, HOST_PAGE_SIZE);
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175 | PDMAudioPropsClearBuffer(&Cfg441StereoS16, pbPage, HOST_PAGE_SIZE, HOST_PAGE_SIZE / 4);
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176 | RTTESTI_CHECK(ASMMemIsZero(pbPage, HOST_PAGE_SIZE));
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177 |
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178 | memset(pbPage, 0x42, HOST_PAGE_SIZE);
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179 | PDMAudioPropsClearBuffer(&Cfg441StereoU16, pbPage, HOST_PAGE_SIZE, HOST_PAGE_SIZE / 4);
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180 | for (uint32_t off = 0; off < HOST_PAGE_SIZE; off += 2)
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181 | RTTESTI_CHECK_MSG(pbPage[off] == 0 && pbPage[off + 1] == 0x80, ("off=%#x: %#x %x\n", off, pbPage[off], pbPage[off + 1]));
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182 |
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183 | memset(pbPage, 0x42, HOST_PAGE_SIZE);
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184 | PDMAudioPropsClearBuffer(&Cfg441StereoU32, pbPage, HOST_PAGE_SIZE, HOST_PAGE_SIZE / 8);
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185 | for (uint32_t off = 0; off < HOST_PAGE_SIZE; off += 4)
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186 | RTTESTI_CHECK(pbPage[off] == 0 && pbPage[off + 1] == 0 && pbPage[off + 2] == 0 && pbPage[off + 3] == 0x80);
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187 |
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188 |
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189 | RTTestDisableAssertions(hTest);
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190 | memset(pbPage, 0x42, HOST_PAGE_SIZE);
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191 | PDMAudioPropsClearBuffer(&Cfg441StereoS16, pbPage, HOST_PAGE_SIZE, HOST_PAGE_SIZE); /* should adjust down the frame count. */
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192 | RTTESTI_CHECK(ASMMemIsZero(pbPage, HOST_PAGE_SIZE));
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193 |
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194 | memset(pbPage, 0x42, HOST_PAGE_SIZE);
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195 | PDMAudioPropsClearBuffer(&Cfg441StereoU16, pbPage, HOST_PAGE_SIZE, HOST_PAGE_SIZE); /* should adjust down the frame count. */
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196 | for (uint32_t off = 0; off < HOST_PAGE_SIZE; off += 2)
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197 | RTTESTI_CHECK_MSG(pbPage[off] == 0 && pbPage[off + 1] == 0x80, ("off=%#x: %#x %x\n", off, pbPage[off], pbPage[off + 1]));
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198 |
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199 | memset(pbPage, 0x42, HOST_PAGE_SIZE);
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200 | PDMAudioPropsClearBuffer(&Cfg441StereoU32, pbPage, HOST_PAGE_SIZE, HOST_PAGE_SIZE); /* should adjust down the frame count. */
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201 | for (uint32_t off = 0; off < HOST_PAGE_SIZE; off += 4)
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202 | RTTESTI_CHECK(pbPage[off] == 0 && pbPage[off + 1] == 0 && pbPage[off + 2] == 0 && pbPage[off + 3] == 0x80);
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203 | RTTestRestoreAssertions(hTest);
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204 |
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205 | RTTestGuardedFree(hTest, pbPage);
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206 | }
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207 |
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208 |
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209 | static void tstSimple(RTTEST hTest)
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210 | {
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211 | RTTestSub(hTest, "Simple");
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212 |
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213 | /* 44100Hz, 2 Channels, S16 */
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214 | PDMAUDIOPCMPROPS config = PDMAUDIOPCMPROPS_INITIALIZER(
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215 | 2, /* Bytes */
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216 | true, /* Signed */
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217 | 2, /* Channels */
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218 | 44100, /* Hz */
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219 | false /* Swap Endian */
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220 | );
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221 |
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222 | RTTESTI_CHECK(AudioHlpPcmPropsAreValidAndSupported(&config));
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223 |
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224 | uint32_t cBufSize = _1K;
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225 |
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226 | /*
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227 | * General stuff.
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228 | */
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229 | AUDIOMIXBUF mb;
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230 | RTTESTI_CHECK_RC_OK_RETV(AudioMixBufInit(&mb, "Single", &config, cBufSize));
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231 | RTTESTI_CHECK(AudioMixBufSize(&mb) == cBufSize);
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232 | RTTESTI_CHECK(AUDIOMIXBUF_B2F(&mb, AudioMixBufSizeBytes(&mb)) == cBufSize);
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233 | RTTESTI_CHECK(AUDIOMIXBUF_F2B(&mb, AudioMixBufSize(&mb)) == AudioMixBufSizeBytes(&mb));
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234 | RTTESTI_CHECK(AudioMixBufFree(&mb) == cBufSize);
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235 | RTTESTI_CHECK(AUDIOMIXBUF_F2B(&mb, AudioMixBufFree(&mb)) == AudioMixBufFreeBytes(&mb));
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236 |
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237 | AUDIOMIXBUFWRITESTATE WriteState;
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238 | RTTESTI_CHECK_RC(AudioMixBufInitWriteState(&mb, &WriteState, &config), VINF_SUCCESS);
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239 |
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240 | AUDIOMIXBUFPEEKSTATE PeekState;
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241 | RTTESTI_CHECK_RC(AudioMixBufInitPeekState(&mb, &PeekState, &config), VINF_SUCCESS);
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242 |
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243 | /*
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244 | * A few writes (used to be the weird absolute writes).
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245 | */
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246 | uint32_t cFramesRead = 0, cFramesWritten = 0, cFramesWrittenAbs = 0;
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247 | int16_t aFrames16[2] = { 0xAA, 0xBB };
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248 | int32_t aFrames32[2] = { 0xCC, 0xDD };
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249 |
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250 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == 0);
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251 |
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252 | AudioMixBufWrite(&mb, &WriteState, &aFrames16, sizeof(aFrames16), 0 /*offDstFrame*/, cBufSize / 4, &cFramesWritten);
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253 | RTTESTI_CHECK(cFramesWritten == 1 /* Frames */);
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254 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == 0);
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255 | AudioMixBufCommit(&mb, cFramesWritten);
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256 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == 1);
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257 | RTTESTI_CHECK(AudioMixBufReadPos(&mb) == 0);
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258 | RTTESTI_CHECK(AudioMixBufWritePos(&mb) == 1);
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259 |
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260 | AudioMixBufWrite(&mb, &WriteState, &aFrames32, sizeof(aFrames32), 0 /*offDstFrame*/, cBufSize / 4, &cFramesWritten);
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261 | RTTESTI_CHECK(cFramesWritten == 2 /* Frames */);
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262 | AudioMixBufCommit(&mb, cFramesWritten);
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263 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == 3);
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264 | RTTESTI_CHECK(AudioMixBufReadPos(&mb) == 0);
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265 | RTTESTI_CHECK(AudioMixBufWritePos(&mb) == 3);
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266 |
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267 | /* Pretend we read the frames.*/
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268 | AudioMixBufAdvance(&mb, 3);
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269 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == 0);
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270 | RTTESTI_CHECK(AudioMixBufReadPos(&mb) == 3);
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271 | RTTESTI_CHECK(AudioMixBufWritePos(&mb) == 3);
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272 |
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273 | /* Fill up the buffer completely and check wraps. */
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274 |
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275 | uint32_t cbSamples = PDMAudioPropsFramesToBytes(&config, cBufSize);
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276 | uint16_t *paSamples = (uint16_t *)RTMemAlloc(cbSamples);
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277 | RTTESTI_CHECK_RETV(paSamples);
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278 | AudioMixBufWrite(&mb, &WriteState, paSamples, cbSamples, 0 /*offDstFrame*/, cBufSize, &cFramesWritten);
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279 | RTTESTI_CHECK(cFramesWritten == cBufSize);
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280 | AudioMixBufCommit(&mb, cFramesWritten);
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281 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == cBufSize);
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282 | RTTESTI_CHECK(AudioMixBufReadPos(&mb) == 3);
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283 | RTTESTI_CHECK(AudioMixBufWritePos(&mb) == 3);
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284 | RTMemFree(paSamples);
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285 | cbSamples = 0;
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286 |
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287 | /*
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288 | * Writes and reads (used to be circular).
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289 | */
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290 | AudioMixBufDrop(&mb);
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291 |
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292 | cFramesWrittenAbs = AudioMixBufUsed(&mb);
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293 |
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294 | uint32_t cToWrite = AudioMixBufSize(&mb) - cFramesWrittenAbs - 1; /* -1 as padding plus -2 frames for above. */
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295 | for (uint32_t i = 0; i < cToWrite; i++)
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296 | {
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297 | AudioMixBufWrite(&mb, &WriteState, &aFrames16[0], sizeof(aFrames16), 0 /*offDstFrame*/, 1, &cFramesWritten);
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298 | RTTESTI_CHECK(cFramesWritten == 1);
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299 | AudioMixBufCommit(&mb, cFramesWritten);
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300 | }
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301 | RTTESTI_CHECK(!AudioMixBufIsEmpty(&mb));
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302 | RTTESTI_CHECK(AudioMixBufFree(&mb) == 1);
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303 | RTTESTI_CHECK(AudioMixBufFreeBytes(&mb) == AUDIOMIXBUF_F2B(&mb, 1U));
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304 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == cToWrite + cFramesWrittenAbs /* + last absolute write */);
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305 |
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306 | AudioMixBufWrite(&mb, &WriteState, &aFrames16[0], sizeof(aFrames16), 0 /*offDstFrame*/, 1, &cFramesWritten);
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307 | RTTESTI_CHECK(cFramesWritten == 1);
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308 | AudioMixBufCommit(&mb, cFramesWritten);
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309 | RTTESTI_CHECK(AudioMixBufFree(&mb) == 0);
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310 | RTTESTI_CHECK(AudioMixBufFreeBytes(&mb) == AUDIOMIXBUF_F2B(&mb, 0U));
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311 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == cBufSize);
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312 |
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313 | /* Reads. */
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314 | RTTESTI_CHECK(AudioMixBufReadPos(&mb) == 0);
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315 | uint32_t cbRead;
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316 | uint16_t aFrames16Buf[RT_ELEMENTS(aFrames16)];
|
---|
317 | uint32_t cToRead = AudioMixBufSize(&mb) - cFramesWrittenAbs - 1;
|
---|
318 | for (uint32_t i = 0; i < cToRead; i++)
|
---|
319 | {
|
---|
320 | AudioMixBufPeek(&mb, 0 /*offSrcFrame*/, 1, &cFramesRead, &PeekState, aFrames16Buf, sizeof(aFrames16Buf), &cbRead);
|
---|
321 | RTTESTI_CHECK(cFramesRead == 1);
|
---|
322 | RTTESTI_CHECK(cbRead == sizeof(aFrames16Buf));
|
---|
323 | AudioMixBufAdvance(&mb, cFramesRead);
|
---|
324 | RTTESTI_CHECK(AudioMixBufReadPos(&mb) == i + 1);
|
---|
325 | }
|
---|
326 | RTTESTI_CHECK(!AudioMixBufIsEmpty(&mb));
|
---|
327 | RTTESTI_CHECK(AudioMixBufFree(&mb) == AudioMixBufSize(&mb) - cFramesWrittenAbs - 1);
|
---|
328 | RTTESTI_CHECK(AudioMixBufFreeBytes(&mb) == AUDIOMIXBUF_F2B(&mb, cBufSize - cFramesWrittenAbs - 1));
|
---|
329 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == cBufSize - cToRead);
|
---|
330 |
|
---|
331 | AudioMixBufPeek(&mb, 0 /*offSrcFrame*/, 1, &cFramesRead, &PeekState, aFrames16Buf, sizeof(aFrames16Buf), &cbRead);
|
---|
332 | RTTESTI_CHECK(cFramesRead == 1);
|
---|
333 | RTTESTI_CHECK(cbRead == sizeof(aFrames16Buf));
|
---|
334 | AudioMixBufAdvance(&mb, cFramesRead);
|
---|
335 | RTTESTI_CHECK(AudioMixBufFree(&mb) == cBufSize - cFramesWrittenAbs);
|
---|
336 | RTTESTI_CHECK(AudioMixBufFreeBytes(&mb) == AUDIOMIXBUF_F2B(&mb, cBufSize - cFramesWrittenAbs));
|
---|
337 | RTTESTI_CHECK(AudioMixBufUsed(&mb) == cFramesWrittenAbs);
|
---|
338 | RTTESTI_CHECK(AudioMixBufReadPos(&mb) == 0);
|
---|
339 |
|
---|
340 | AudioMixBufTerm(&mb);
|
---|
341 | }
|
---|
342 |
|
---|
343 | /** @name Eight test samples represented in all basic formats.
|
---|
344 | * @{ */
|
---|
345 | static uint8_t const g_au8TestSamples[8] = { 0x1, 0x11, 0x32, 0x7f, 0x80, 0x81, 0xbe, 0xff };
|
---|
346 | static int8_t const g_ai8TestSamples[8] = { -127, -111, -78, -1, 0, 1, 62, 127 };
|
---|
347 | static uint16_t const g_au16TestSamples[8] = { 0x100, 0x1100, 0x3200, 0x7f00, 0x8000, 0x8100, 0xbe00, 0xff00 };
|
---|
348 | static int16_t const g_ai16TestSamples[8] = { -32512, -28416, -19968, -256, 0, 256, 15872, 32512 };
|
---|
349 | static uint32_t const g_au32TestSamples[8] = { 0x1000000, 0x11000000, 0x32000000, 0x7f000000, 0x80000000, 0x81000000, 0xbe000000, 0xff000000 };
|
---|
350 | static int32_t const g_ai32TestSamples[8] = { -2130706432, -1862270976, -1308622848, -16777216, 0, 16777216, 1040187392, 2130706432 };
|
---|
351 | static int64_t const g_ai64TestSamples[8] = { -2130706432, -1862270976, -1308622848, -16777216, 0, 16777216, 1040187392, 2130706432 };
|
---|
352 | static struct { void const *apv[2]; uint32_t cb; } g_aTestSamples[] =
|
---|
353 | {
|
---|
354 | /* 0/0: */ { { NULL, NULL }, 0 },
|
---|
355 | /* 1/8: */ { { g_au8TestSamples, g_ai8TestSamples }, sizeof( g_au8TestSamples) },
|
---|
356 | /* 2/16: */ { { g_au16TestSamples, g_ai16TestSamples }, sizeof(g_au16TestSamples) },
|
---|
357 | /* 3/24: */ { { NULL, NULL }, 0 },
|
---|
358 | /* 4/32: */ { { g_au32TestSamples, g_ai32TestSamples }, sizeof(g_au32TestSamples) },
|
---|
359 | /* 5: */ { { NULL, NULL }, 0 },
|
---|
360 | /* 6: */ { { NULL, NULL }, 0 },
|
---|
361 | /* 7: */ { { NULL, NULL }, 0 },
|
---|
362 | /* 8:64 */ { { NULL, g_ai64TestSamples }, sizeof(g_ai64TestSamples) }, /* raw */
|
---|
363 | };
|
---|
364 | /** @} */
|
---|
365 |
|
---|
366 | /** Fills a buffer with samples from an g_aTestSamples entry. */
|
---|
367 | static uint32_t tstFillBuf(PCPDMAUDIOPCMPROPS pCfg, void const *pvTestSamples, uint32_t iTestSample,
|
---|
368 | uint8_t *pbBuf, uint32_t cFrames)
|
---|
369 | {
|
---|
370 | uint8_t const cTestSamples = RT_ELEMENTS(g_au8TestSamples);
|
---|
371 |
|
---|
372 | cFrames *= PDMAudioPropsChannels(pCfg);
|
---|
373 | switch (PDMAudioPropsSampleSize(pCfg))
|
---|
374 | {
|
---|
375 | case 1:
|
---|
376 | {
|
---|
377 | uint8_t const * const pau8TestSamples = (uint8_t const *)pvTestSamples;
|
---|
378 | uint8_t *pu8Dst = (uint8_t *)pbBuf;
|
---|
379 | while (cFrames-- > 0)
|
---|
380 | {
|
---|
381 | *pu8Dst++ = pau8TestSamples[iTestSample];
|
---|
382 | iTestSample = (iTestSample + 1) % cTestSamples;
|
---|
383 | }
|
---|
384 | break;
|
---|
385 | }
|
---|
386 |
|
---|
387 | case 2:
|
---|
388 | {
|
---|
389 | uint16_t const * const pau16TestSamples = (uint16_t const *)pvTestSamples;
|
---|
390 | uint16_t *pu16Dst = (uint16_t *)pbBuf;
|
---|
391 | while (cFrames-- > 0)
|
---|
392 | {
|
---|
393 | *pu16Dst++ = pau16TestSamples[iTestSample];
|
---|
394 | iTestSample = (iTestSample + 1) % cTestSamples;
|
---|
395 | }
|
---|
396 | break;
|
---|
397 | }
|
---|
398 |
|
---|
399 | case 4:
|
---|
400 | {
|
---|
401 | uint32_t const * const pau32TestSamples = (uint32_t const *)pvTestSamples;
|
---|
402 | uint32_t *pu32Dst = (uint32_t *)pbBuf;
|
---|
403 | while (cFrames-- > 0)
|
---|
404 | {
|
---|
405 | *pu32Dst++ = pau32TestSamples[iTestSample];
|
---|
406 | iTestSample = (iTestSample + 1) % cTestSamples;
|
---|
407 | }
|
---|
408 | break;
|
---|
409 | }
|
---|
410 |
|
---|
411 | case 8:
|
---|
412 | {
|
---|
413 | uint64_t const * const pau64TestSamples = (uint64_t const *)pvTestSamples;
|
---|
414 | uint64_t *pu64Dst = (uint64_t *)pbBuf;
|
---|
415 | while (cFrames-- > 0)
|
---|
416 | {
|
---|
417 | *pu64Dst++ = pau64TestSamples[iTestSample];
|
---|
418 | iTestSample = (iTestSample + 1) % cTestSamples;
|
---|
419 | }
|
---|
420 | break;
|
---|
421 | }
|
---|
422 |
|
---|
423 | default:
|
---|
424 | AssertFailedBreak();
|
---|
425 | }
|
---|
426 | return iTestSample;
|
---|
427 | }
|
---|
428 |
|
---|
429 |
|
---|
430 | static void tstConversion(RTTEST hTest, uint8_t cSrcBits, bool fSrcSigned, uint8_t cSrcChs,
|
---|
431 | uint8_t cDstBits, bool fDstSigned, uint8_t cDstChs)
|
---|
432 | {
|
---|
433 | RTTestSubF(hTest, "Conv %uch %c%u to %uch %c%u", cSrcChs, fSrcSigned ? 'S' : 'U', cSrcBits,
|
---|
434 | cDstChs, fDstSigned ? 'S' : 'U', cDstBits);
|
---|
435 |
|
---|
436 | PDMAUDIOPCMPROPS CfgSrc, CfgDst;
|
---|
437 | PDMAudioPropsInitEx(&CfgSrc, cSrcBits / 8, fSrcSigned, cSrcChs, 44100, g_fLittleEndian, cSrcBits == 64 /*fRaw*/);
|
---|
438 | PDMAudioPropsInitEx(&CfgDst, cDstBits / 8, fDstSigned, cDstChs, 44100, g_fLittleEndian, cDstBits == 64 /*fRaw*/);
|
---|
439 |
|
---|
440 | void const * const pvSrcTestSamples = g_aTestSamples[cSrcBits / 8].apv[fSrcSigned];
|
---|
441 | void const * const pvDstTestSamples = g_aTestSamples[cDstBits / 8].apv[fDstSigned];
|
---|
442 | uint32_t const cMixBufFrames = RTRandU32Ex(128, 16384);
|
---|
443 | uint32_t const cIterations = RTRandU32Ex(256, 1536);
|
---|
444 | uint32_t const cbSrcBuf = PDMAudioPropsFramesToBytes(&CfgSrc, cMixBufFrames + 64);
|
---|
445 | uint8_t * const pbSrcBuf = (uint8_t *)RTMemAllocZ(cbSrcBuf);
|
---|
446 | uint32_t const cbDstBuf = PDMAudioPropsFramesToBytes(&CfgDst, cMixBufFrames + 64);
|
---|
447 | uint8_t * const pbDstBuf = (uint8_t *)RTMemAllocZ(cbDstBuf);
|
---|
448 | uint8_t * const pbDstExpect = (uint8_t *)RTMemAllocZ(cbDstBuf);
|
---|
449 | RTTESTI_CHECK_RETV(pbSrcBuf);
|
---|
450 | RTTESTI_CHECK_RETV(pbDstBuf);
|
---|
451 | RTTESTI_CHECK_RETV(pbDstExpect);
|
---|
452 |
|
---|
453 | AUDIOMIXBUF MixBuf;
|
---|
454 | RTTESTI_CHECK_RC_RETV(AudioMixBufInit(&MixBuf, "FormatOutputConversion", &CfgSrc, cMixBufFrames), VINF_SUCCESS);
|
---|
455 | AUDIOMIXBUFWRITESTATE WriteState;
|
---|
456 | RTTESTI_CHECK_RC_RETV(AudioMixBufInitWriteState(&MixBuf, &WriteState, &CfgSrc), VINF_SUCCESS);
|
---|
457 | AUDIOMIXBUFWRITESTATE WriteStateIgnZero = WriteState; RT_NOREF(WriteStateIgnZero);
|
---|
458 | AUDIOMIXBUFPEEKSTATE PeekState;
|
---|
459 | RTTESTI_CHECK_RC_RETV(AudioMixBufInitPeekState(&MixBuf, &PeekState, &CfgDst), VINF_SUCCESS);
|
---|
460 |
|
---|
461 | uint32_t iSrcTestSample = 0;
|
---|
462 | uint32_t iDstTestSample = 0;
|
---|
463 | //RTTestPrintf(hTest, RTTESTLVL_ALWAYS, "cIterations=%u\n", cIterations);
|
---|
464 | for (uint32_t iIteration = 0; iIteration < cIterations; iIteration++)
|
---|
465 | {
|
---|
466 | /* Write some frames to the buffer. */
|
---|
467 | uint32_t const cSrcFramesToWrite = iIteration < 16 ? iIteration + 1
|
---|
468 | : AudioMixBufFree(&MixBuf) ? RTRandU32Ex(1, AudioMixBufFree(&MixBuf)) : 0;
|
---|
469 | if (cSrcFramesToWrite > 0)
|
---|
470 | {
|
---|
471 | uint32_t const cbSrcToWrite = PDMAudioPropsFramesToBytes(&CfgSrc, cSrcFramesToWrite);
|
---|
472 | uint32_t cFrames = RTRandU32();
|
---|
473 | switch (RTRandU32Ex(0, 3))
|
---|
474 | {
|
---|
475 | default:
|
---|
476 | iSrcTestSample = tstFillBuf(&CfgSrc, pvSrcTestSamples, iSrcTestSample, pbSrcBuf, cSrcFramesToWrite);
|
---|
477 | AudioMixBufWrite(&MixBuf, &WriteState, pbSrcBuf, cbSrcToWrite, 0 /*offDstFrame*/, cSrcFramesToWrite, &cFrames);
|
---|
478 | RTTESTI_CHECK(cFrames == cSrcFramesToWrite);
|
---|
479 | break;
|
---|
480 |
|
---|
481 | case 1: /* zero & blend */
|
---|
482 | AudioMixBufSilence(&MixBuf, &WriteStateIgnZero, 0 /*offFrame*/, cSrcFramesToWrite);
|
---|
483 | iSrcTestSample = tstFillBuf(&CfgSrc, pvSrcTestSamples, iSrcTestSample, pbSrcBuf, cSrcFramesToWrite);
|
---|
484 | AudioMixBufBlend(&MixBuf, &WriteState, pbSrcBuf, cbSrcToWrite, 0 /*offDstFrame*/, cSrcFramesToWrite, &cFrames);
|
---|
485 | RTTESTI_CHECK(cFrames == cSrcFramesToWrite);
|
---|
486 | break;
|
---|
487 |
|
---|
488 | case 2: /* blend same equal data twice */
|
---|
489 | {
|
---|
490 | AUDIOMIXBUFWRITESTATE WriteStateSame = WriteState;
|
---|
491 | iSrcTestSample = tstFillBuf(&CfgSrc, pvSrcTestSamples, iSrcTestSample, pbSrcBuf, cSrcFramesToWrite);
|
---|
492 | AudioMixBufWrite(&MixBuf, &WriteState, pbSrcBuf, cbSrcToWrite, 0 /*offDstFrame*/, cSrcFramesToWrite, &cFrames);
|
---|
493 | RTTESTI_CHECK(cFrames == cSrcFramesToWrite);
|
---|
494 | AudioMixBufBlend(&MixBuf, &WriteStateSame, pbSrcBuf, cbSrcToWrite, 0 /*offDstFrame*/, cSrcFramesToWrite, &cFrames);
|
---|
495 | RTTESTI_CHECK(cFrames == cSrcFramesToWrite);
|
---|
496 | break;
|
---|
497 | }
|
---|
498 | case 3: /* write & blend with zero */
|
---|
499 | {
|
---|
500 | AUDIOMIXBUFWRITESTATE WriteStateSame = WriteState;
|
---|
501 | iSrcTestSample = tstFillBuf(&CfgSrc, pvSrcTestSamples, iSrcTestSample, pbSrcBuf, cSrcFramesToWrite);
|
---|
502 | AudioMixBufWrite(&MixBuf, &WriteState, pbSrcBuf, cbSrcToWrite, 0 /*offDstFrame*/, cSrcFramesToWrite, &cFrames);
|
---|
503 | RTTESTI_CHECK(cFrames == cSrcFramesToWrite);
|
---|
504 | PDMAudioPropsClearBuffer(&CfgSrc, pbSrcBuf, cbSrcToWrite, cSrcFramesToWrite);
|
---|
505 | AudioMixBufBlend(&MixBuf, &WriteStateSame, pbSrcBuf, cbSrcToWrite, 0 /*offDstFrame*/, cSrcFramesToWrite, &cFrames);
|
---|
506 | RTTESTI_CHECK(cFrames == cSrcFramesToWrite);
|
---|
507 | break;
|
---|
508 | }
|
---|
509 | }
|
---|
510 | AudioMixBufCommit(&MixBuf, cSrcFramesToWrite);
|
---|
511 | }
|
---|
512 |
|
---|
513 | /* Read some frames back. */
|
---|
514 | uint32_t const cUsed = AudioMixBufUsed(&MixBuf);
|
---|
515 | uint32_t const cDstFramesToRead = iIteration < 16 ? iIteration + 1 : iIteration + 5 >= cIterations ? cUsed
|
---|
516 | : cUsed ? RTRandU32Ex(1, cUsed) : 0;
|
---|
517 | if (cDstFramesToRead > 0)
|
---|
518 | {
|
---|
519 | uint32_t const cbDstToRead = PDMAudioPropsFramesToBytes(&CfgDst, cDstFramesToRead);
|
---|
520 | uint32_t cbRead = RTRandU32();
|
---|
521 | uint32_t cFrames = RTRandU32();
|
---|
522 | RTRandBytes(pbDstBuf, cbDstToRead);
|
---|
523 | AudioMixBufPeek(&MixBuf, 0 /*offSrcFrame*/, (iIteration & 3) != 2 ? cDstFramesToRead : cUsed, &cFrames,
|
---|
524 | &PeekState, pbDstBuf, (iIteration & 3) != 3 ? cbDstToRead : cbDstBuf, &cbRead);
|
---|
525 | RTTESTI_CHECK(cFrames == cDstFramesToRead);
|
---|
526 | RTTESTI_CHECK(cbRead == cbDstToRead);
|
---|
527 | AudioMixBufAdvance(&MixBuf, cFrames);
|
---|
528 |
|
---|
529 | /* Verify if we can. */
|
---|
530 | if (PDMAudioPropsChannels(&CfgSrc) == PDMAudioPropsChannels(&CfgDst))
|
---|
531 | {
|
---|
532 | iDstTestSample = tstFillBuf(&CfgDst, pvDstTestSamples, iDstTestSample, pbDstExpect, cFrames);
|
---|
533 | if (memcmp(pbDstExpect, pbDstBuf, cbRead) == 0)
|
---|
534 | { /* likely */ }
|
---|
535 | else
|
---|
536 | {
|
---|
537 | RTTestFailed(hTest,
|
---|
538 | "mismatch: %.*Rhxs\n"
|
---|
539 | "expected: %.*Rhxs\n"
|
---|
540 | "iIteration=%u cDstFramesToRead=%u cbRead=%#x\n",
|
---|
541 | RT_MIN(cbRead, 48), pbDstBuf,
|
---|
542 | RT_MIN(cbRead, 48), pbDstExpect,
|
---|
543 | iIteration, cDstFramesToRead, cbRead);
|
---|
544 | break;
|
---|
545 | }
|
---|
546 | }
|
---|
547 | }
|
---|
548 | }
|
---|
549 |
|
---|
550 | AudioMixBufTerm(&MixBuf);
|
---|
551 | RTMemFree(pbSrcBuf);
|
---|
552 | RTMemFree(pbDstBuf);
|
---|
553 | RTMemFree(pbDstExpect);
|
---|
554 | }
|
---|
555 |
|
---|
556 |
|
---|
557 | #if 0 /** @todo rewrite to non-parent/child setup */
|
---|
558 | static void tstDownsampling(RTTEST hTest, uint32_t uFromHz, uint32_t uToHz)
|
---|
559 | {
|
---|
560 | RTTestSubF(hTest, "Downsampling %u to %u Hz (S16)", uFromHz, uToHz);
|
---|
561 |
|
---|
562 | struct { int16_t l, r; }
|
---|
563 | aSrcFrames[4096],
|
---|
564 | aDstFrames[4096];
|
---|
565 |
|
---|
566 | /* Parent (destination) buffer is xxxHz 2ch S16 */
|
---|
567 | uint32_t const cFramesParent = RTRandU32Ex(16, RT_ELEMENTS(aDstFrames));
|
---|
568 | PDMAUDIOPCMPROPS const CfgDst = PDMAUDIOPCMPROPS_INITIALIZER(2 /*cbSample*/, true /*fSigned*/, 2 /*ch*/, uToHz, false /*fSwap*/);
|
---|
569 | RTTESTI_CHECK(AudioHlpPcmPropsAreValid(&CfgDst));
|
---|
570 | AUDIOMIXBUF Parent;
|
---|
571 | RTTESTI_CHECK_RC_OK_RETV(AudioMixBufInit(&Parent, "ParentDownsampling", &CfgDst, cFramesParent));
|
---|
572 |
|
---|
573 | /* Child (source) buffer is yyykHz 2ch S16 */
|
---|
574 | PDMAUDIOPCMPROPS const CfgSrc = PDMAUDIOPCMPROPS_INITIALIZER(2 /*cbSample*/, true /*fSigned*/, 2 /*ch*/, uFromHz, false /*fSwap*/);
|
---|
575 | RTTESTI_CHECK(AudioHlpPcmPropsAreValid(&CfgSrc));
|
---|
576 | uint32_t const cFramesChild = RTRandU32Ex(32, RT_ELEMENTS(aSrcFrames));
|
---|
577 | AUDIOMIXBUF Child;
|
---|
578 | RTTESTI_CHECK_RC_OK_RETV(AudioMixBufInit(&Child, "ChildDownsampling", &CfgSrc, cFramesChild));
|
---|
579 | RTTESTI_CHECK_RC_OK_RETV(AudioMixBufLinkTo(&Child, &Parent));
|
---|
580 |
|
---|
581 | /*
|
---|
582 | * Test parameters.
|
---|
583 | */
|
---|
584 | uint32_t const cMaxSrcFrames = RT_MIN(cFramesParent * uFromHz / uToHz - 1, cFramesChild);
|
---|
585 | uint32_t const cIterations = RTRandU32Ex(4, 128);
|
---|
586 | RTTestErrContext(hTest, "cFramesParent=%RU32 cFramesChild=%RU32 cMaxSrcFrames=%RU32 cIterations=%RU32",
|
---|
587 | cFramesParent, cFramesChild, cMaxSrcFrames, cIterations);
|
---|
588 | RTTestPrintf(hTest, RTTESTLVL_DEBUG, "cFramesParent=%RU32 cFramesChild=%RU32 cMaxSrcFrames=%RU32 cIterations=%RU32\n",
|
---|
589 | cFramesParent, cFramesChild, cMaxSrcFrames, cIterations);
|
---|
590 |
|
---|
591 | /*
|
---|
592 | * We generate a simple "A" sine wave as input.
|
---|
593 | */
|
---|
594 | uint32_t iSrcFrame = 0;
|
---|
595 | uint32_t iDstFrame = 0;
|
---|
596 | double rdFixed = 2.0 * M_PI * 440.0 /* A */ / PDMAudioPropsHz(&CfgSrc); /* Fixed sin() input. */
|
---|
597 | for (uint32_t i = 0; i < cIterations; i++)
|
---|
598 | {
|
---|
599 | RTTestPrintf(hTest, RTTESTLVL_DEBUG, "i=%RU32\n", i);
|
---|
600 |
|
---|
601 | /*
|
---|
602 | * Generate source frames and write them.
|
---|
603 | */
|
---|
604 | uint32_t const cSrcFrames = i < cIterations / 2
|
---|
605 | ? RTRandU32Ex(2, cMaxSrcFrames) & ~(uint32_t)1
|
---|
606 | : RTRandU32Ex(1, cMaxSrcFrames - 1) | 1;
|
---|
607 | for (uint32_t j = 0; j < cSrcFrames; j++, iSrcFrame++)
|
---|
608 | aSrcFrames[j].r = aSrcFrames[j].l = 32760 /*Amplitude*/ * sin(rdFixed * iSrcFrame);
|
---|
609 |
|
---|
610 | uint32_t cSrcFramesWritten = UINT32_MAX / 2;
|
---|
611 | RTTESTI_CHECK_RC_OK_BREAK(AudioMixBufWriteAt(&Child, 0, &aSrcFrames, cSrcFrames * sizeof(aSrcFrames[0]),
|
---|
612 | &cSrcFramesWritten));
|
---|
613 | RTTESTI_CHECK_MSG_BREAK(cSrcFrames == cSrcFramesWritten,
|
---|
614 | ("cSrcFrames=%RU32 vs cSrcFramesWritten=%RU32\n", cSrcFrames, cSrcFramesWritten));
|
---|
615 |
|
---|
616 | /*
|
---|
617 | * Mix them.
|
---|
618 | */
|
---|
619 | uint32_t cSrcFramesMixed = UINT32_MAX / 2;
|
---|
620 | RTTESTI_CHECK_RC_OK_BREAK(AudioMixBufMixToParent(&Child, cSrcFramesWritten, &cSrcFramesMixed));
|
---|
621 | RTTESTI_CHECK_MSG(AudioMixBufUsed(&Child) == 0, ("%RU32\n", AudioMixBufUsed(&Child)));
|
---|
622 | RTTESTI_CHECK_MSG_BREAK(cSrcFramesWritten == cSrcFramesMixed,
|
---|
623 | ("cSrcFramesWritten=%RU32 cSrcFramesMixed=%RU32\n", cSrcFramesWritten, cSrcFramesMixed));
|
---|
624 | RTTESTI_CHECK_MSG_BREAK(AudioMixBufUsed(&Child) == 0, ("%RU32\n", AudioMixBufUsed(&Child)));
|
---|
625 |
|
---|
626 | /*
|
---|
627 | * Read out the parent buffer.
|
---|
628 | */
|
---|
629 | uint32_t cDstFrames = AudioMixBufUsed(&Parent);
|
---|
630 | while (cDstFrames > 0)
|
---|
631 | {
|
---|
632 | uint32_t cFramesRead = UINT32_MAX / 2;
|
---|
633 | RTTESTI_CHECK_RC_OK_BREAK(AudioMixBufAcquireReadBlock(&Parent, aDstFrames, sizeof(aDstFrames), &cFramesRead));
|
---|
634 | RTTESTI_CHECK_MSG(cFramesRead > 0 && cFramesRead <= cDstFrames,
|
---|
635 | ("cFramesRead=%RU32 cDstFrames=%RU32\n", cFramesRead, cDstFrames));
|
---|
636 |
|
---|
637 | AudioMixBufReleaseReadBlock(&Parent, cFramesRead);
|
---|
638 | AudioMixBufFinish(&Parent, cFramesRead);
|
---|
639 |
|
---|
640 | iDstFrame += cFramesRead;
|
---|
641 | cDstFrames -= cFramesRead;
|
---|
642 | RTTESTI_CHECK(AudioMixBufUsed(&Parent) == cDstFrames);
|
---|
643 | }
|
---|
644 | }
|
---|
645 |
|
---|
646 | RTTESTI_CHECK(AudioMixBufUsed(&Parent) == 0);
|
---|
647 | RTTESTI_CHECK(AudioMixBufLive(&Child) == 0);
|
---|
648 | uint32_t const cDstMinExpect = (uint64_t)iSrcFrame * uToHz / uFromHz;
|
---|
649 | uint32_t const cDstMaxExpect = ((uint64_t)iSrcFrame * uToHz + uFromHz - 1) / uFromHz;
|
---|
650 | RTTESTI_CHECK_MSG(iDstFrame == cDstMinExpect || iDstFrame == cDstMaxExpect,
|
---|
651 | ("iSrcFrame=%#x -> %#x,%#x; iDstFrame=%#x\n", iSrcFrame, cDstMinExpect, cDstMaxExpect, iDstFrame));
|
---|
652 |
|
---|
653 | AudioMixBufDestroy(&Parent);
|
---|
654 | AudioMixBufDestroy(&Child);
|
---|
655 | }
|
---|
656 | #endif
|
---|
657 |
|
---|
658 |
|
---|
659 | static void tstNewPeek(RTTEST hTest, uint32_t uFromHz, uint32_t uToHz)
|
---|
660 | {
|
---|
661 | RTTestSubF(hTest, "New peek %u to %u Hz (S16)", uFromHz, uToHz);
|
---|
662 |
|
---|
663 | struct { int16_t l, r; }
|
---|
664 | aSrcFrames[4096],
|
---|
665 | aDstFrames[4096];
|
---|
666 |
|
---|
667 | /* Mix buffer is uFromHz 2ch S16 */
|
---|
668 | uint32_t const cFrames = RTRandU32Ex(16, RT_ELEMENTS(aSrcFrames));
|
---|
669 | PDMAUDIOPCMPROPS const CfgSrc = PDMAUDIOPCMPROPS_INITIALIZER(2 /*cbSample*/, true /*fSigned*/, 2 /*ch*/, uFromHz, false /*fSwap*/);
|
---|
670 | RTTESTI_CHECK(AudioHlpPcmPropsAreValidAndSupported(&CfgSrc));
|
---|
671 | AUDIOMIXBUF MixBuf;
|
---|
672 | RTTESTI_CHECK_RC_OK_RETV(AudioMixBufInit(&MixBuf, "NewPeekMixBuf", &CfgSrc, cFrames));
|
---|
673 |
|
---|
674 | /* Write state (source). */
|
---|
675 | AUDIOMIXBUFWRITESTATE WriteState;
|
---|
676 | RTTESTI_CHECK_RC_OK_RETV(AudioMixBufInitWriteState(&MixBuf, &WriteState, &CfgSrc));
|
---|
677 |
|
---|
678 | /* Peek state (destination) is uToHz 2ch S16 */
|
---|
679 | PDMAUDIOPCMPROPS const CfgDst = PDMAUDIOPCMPROPS_INITIALIZER(2 /*cbSample*/, true /*fSigned*/, 2 /*ch*/, uToHz, false /*fSwap*/);
|
---|
680 | RTTESTI_CHECK(AudioHlpPcmPropsAreValidAndSupported(&CfgDst));
|
---|
681 | AUDIOMIXBUFPEEKSTATE PeekState;
|
---|
682 | RTTESTI_CHECK_RC_OK_RETV(AudioMixBufInitPeekState(&MixBuf, &PeekState, &CfgDst));
|
---|
683 |
|
---|
684 | /*
|
---|
685 | * Test parameters.
|
---|
686 | */
|
---|
687 | uint32_t const cMaxSrcFrames = RT_MIN(cFrames * uFromHz / uToHz - 1, cFrames);
|
---|
688 | uint32_t const cIterations = RTRandU32Ex(64, 1024);
|
---|
689 | RTTestErrContext(hTest, "cFrames=%RU32 cMaxSrcFrames=%RU32 cIterations=%RU32", cFrames, cMaxSrcFrames, cIterations);
|
---|
690 | RTTestPrintf(hTest, RTTESTLVL_DEBUG, "cFrames=%RU32 cMaxSrcFrames=%RU32 cIterations=%RU32\n",
|
---|
691 | cFrames, cMaxSrcFrames, cIterations);
|
---|
692 |
|
---|
693 | /*
|
---|
694 | * We generate a simple "A" sine wave as input.
|
---|
695 | */
|
---|
696 | uint32_t iSrcFrame = 0;
|
---|
697 | uint32_t iDstFrame = 0;
|
---|
698 | double rdFixed = 2.0 * M_PI * 440.0 /* A */ / PDMAudioPropsHz(&CfgSrc); /* Fixed sin() input. */
|
---|
699 | for (uint32_t i = 0; i < cIterations; i++)
|
---|
700 | {
|
---|
701 | RTTestPrintf(hTest, RTTESTLVL_DEBUG, "i=%RU32\n", i);
|
---|
702 |
|
---|
703 | /*
|
---|
704 | * Generate source frames and write them.
|
---|
705 | */
|
---|
706 | uint32_t const cSrcFrames = i < cIterations / 2
|
---|
707 | ? RTRandU32Ex(2, cMaxSrcFrames) & ~(uint32_t)1
|
---|
708 | : RTRandU32Ex(1, cMaxSrcFrames - 1) | 1;
|
---|
709 | for (uint32_t j = 0; j < cSrcFrames; j++, iSrcFrame++)
|
---|
710 | aSrcFrames[j].r = aSrcFrames[j].l = 32760 /*Amplitude*/ * sin(rdFixed * iSrcFrame);
|
---|
711 |
|
---|
712 | uint32_t cSrcFramesWritten = UINT32_MAX / 2;
|
---|
713 | AudioMixBufWrite(&MixBuf, &WriteState, &aSrcFrames[0], cSrcFrames * sizeof(aSrcFrames[0]),
|
---|
714 | 0 /*offDstFrame*/, cSrcFrames, &cSrcFramesWritten);
|
---|
715 | RTTESTI_CHECK_MSG_BREAK(cSrcFrames == cSrcFramesWritten,
|
---|
716 | ("cSrcFrames=%RU32 vs cSrcFramesWritten=%RU32 cLiveFrames=%RU32\n",
|
---|
717 | cSrcFrames, cSrcFramesWritten, AudioMixBufUsed(&MixBuf)));
|
---|
718 | AudioMixBufCommit(&MixBuf, cSrcFrames);
|
---|
719 |
|
---|
720 | /*
|
---|
721 | * Read out all the frames using the peek function.
|
---|
722 | */
|
---|
723 | uint32_t offSrcFrame = 0;
|
---|
724 | while (offSrcFrame < cSrcFramesWritten)
|
---|
725 | {
|
---|
726 | uint32_t cSrcFramesToRead = cSrcFramesWritten - offSrcFrame;
|
---|
727 | uint32_t cTmp = (uint64_t)cSrcFramesToRead * uToHz / uFromHz;
|
---|
728 | if (cTmp + 32 >= RT_ELEMENTS(aDstFrames))
|
---|
729 | cSrcFramesToRead = ((uint64_t)RT_ELEMENTS(aDstFrames) - 32) * uFromHz / uToHz; /* kludge */
|
---|
730 |
|
---|
731 | uint32_t cSrcFramesPeeked = UINT32_MAX / 4;
|
---|
732 | uint32_t cbDstPeeked = UINT32_MAX / 2;
|
---|
733 | RTRandBytes(aDstFrames, sizeof(aDstFrames));
|
---|
734 | AudioMixBufPeek(&MixBuf, offSrcFrame, cSrcFramesToRead, &cSrcFramesPeeked,
|
---|
735 | &PeekState, aDstFrames, sizeof(aDstFrames), &cbDstPeeked);
|
---|
736 | uint32_t cDstFramesPeeked = PDMAudioPropsBytesToFrames(&CfgDst, cbDstPeeked);
|
---|
737 | RTTESTI_CHECK(cbDstPeeked > 0 || cSrcFramesPeeked > 0);
|
---|
738 |
|
---|
739 | if (uFromHz == uToHz)
|
---|
740 | {
|
---|
741 | for (uint32_t iDst = 0; iDst < cDstFramesPeeked; iDst++)
|
---|
742 | if (memcmp(&aDstFrames[iDst], &aSrcFrames[offSrcFrame + iDst], sizeof(aSrcFrames[0])) != 0)
|
---|
743 | RTTestFailed(hTest, "Frame #%u differs: %#x / %#x, expected %#x / %#x\n", iDstFrame + iDst,
|
---|
744 | aDstFrames[iDst].l, aDstFrames[iDst].r,
|
---|
745 | aSrcFrames[iDst + offSrcFrame].l, aSrcFrames[iDst + offSrcFrame].r);
|
---|
746 | }
|
---|
747 |
|
---|
748 | offSrcFrame += cSrcFramesPeeked;
|
---|
749 | iDstFrame += cDstFramesPeeked;
|
---|
750 | }
|
---|
751 |
|
---|
752 | /*
|
---|
753 | * Then advance.
|
---|
754 | */
|
---|
755 | AudioMixBufAdvance(&MixBuf, cSrcFrames);
|
---|
756 | RTTESTI_CHECK(AudioMixBufUsed(&MixBuf) == 0);
|
---|
757 | }
|
---|
758 |
|
---|
759 | /** @todo this is a bit lax... */
|
---|
760 | uint32_t const cDstMinExpect = ((uint64_t)iSrcFrame * uToHz - uFromHz - 1) / uFromHz;
|
---|
761 | uint32_t const cDstMaxExpect = ((uint64_t)iSrcFrame * uToHz + uFromHz - 1) / uFromHz;
|
---|
762 | RTTESTI_CHECK_MSG(iDstFrame >= cDstMinExpect && iDstFrame <= cDstMaxExpect,
|
---|
763 | ("iSrcFrame=%#x -> %#x..%#x; iDstFrame=%#x (delta %d)\n",
|
---|
764 | iSrcFrame, cDstMinExpect, cDstMaxExpect, iDstFrame, (cDstMinExpect + cDstMaxExpect) / 2 - iDstFrame));
|
---|
765 |
|
---|
766 | AudioMixBufTerm(&MixBuf);
|
---|
767 | }
|
---|
768 |
|
---|
769 | /* Test volume control. */
|
---|
770 | static void tstVolume(RTTEST hTest)
|
---|
771 | {
|
---|
772 | RTTestSub(hTest, "Volume control (44.1kHz S16 2ch)");
|
---|
773 | uint32_t const cBufSize = 256;
|
---|
774 |
|
---|
775 | /*
|
---|
776 | * Configure a mixbuf where we read and write 44.1kHz S16 2ch.
|
---|
777 | */
|
---|
778 | PDMAUDIOPCMPROPS const Cfg = PDMAUDIOPCMPROPS_INITIALIZER(
|
---|
779 | 2, /* Bytes */
|
---|
780 | true, /* Signed */
|
---|
781 | 2, /* Channels */
|
---|
782 | 44100, /* Hz */
|
---|
783 | false /* Swap Endian */
|
---|
784 | );
|
---|
785 | AUDIOMIXBUF MixBuf;
|
---|
786 | RTTESTI_CHECK_RC_RETV(AudioMixBufInit(&MixBuf, "Volume", &Cfg, cBufSize), VINF_SUCCESS);
|
---|
787 |
|
---|
788 | AUDIOMIXBUFWRITESTATE WriteState;
|
---|
789 | RTTESTI_CHECK_RC_RETV(AudioMixBufInitWriteState(&MixBuf, &WriteState, &Cfg), VINF_SUCCESS);
|
---|
790 |
|
---|
791 | AUDIOMIXBUFPEEKSTATE PeekState;
|
---|
792 | RTTESTI_CHECK_RC_RETV(AudioMixBufInitPeekState(&MixBuf, &PeekState, &Cfg), VINF_SUCCESS);
|
---|
793 |
|
---|
794 | /*
|
---|
795 | * A few 16-bit signed test samples.
|
---|
796 | */
|
---|
797 | static int16_t const s_aFrames16S[16] =
|
---|
798 | {
|
---|
799 | INT16_MIN, INT16_MIN + 1, -128, -64, -4, -1, 0, 1,
|
---|
800 | 2, 255, 256, INT16_MAX / 2, INT16_MAX - 2, INT16_MAX - 1, INT16_MAX, 0,
|
---|
801 | };
|
---|
802 |
|
---|
803 | /*
|
---|
804 | * 1) Full volume/0dB attenuation (255).
|
---|
805 | */
|
---|
806 | PDMAUDIOVOLUME Vol = PDMAUDIOVOLUME_INITIALIZER_MAX;
|
---|
807 | AudioMixBufSetVolume(&MixBuf, &Vol);
|
---|
808 |
|
---|
809 | /* Write all the test frames to the mixer buffer: */
|
---|
810 | uint32_t cFramesWritten;
|
---|
811 | AudioMixBufWrite(&MixBuf, &WriteState, &s_aFrames16S[0], sizeof(s_aFrames16S), 0 /*offDstFrame*/, cBufSize, &cFramesWritten);
|
---|
812 | RTTESTI_CHECK(cFramesWritten == RT_ELEMENTS(s_aFrames16S) / 2);
|
---|
813 | AudioMixBufCommit(&MixBuf, cFramesWritten);
|
---|
814 |
|
---|
815 | /* Read them back. We should get them back just like we wrote them. */
|
---|
816 | uint16_t au16Buf[cBufSize * 2];
|
---|
817 | uint32_t cFramesPeeked;
|
---|
818 | uint32_t cbPeeked;
|
---|
819 | AudioMixBufPeek(&MixBuf, 0 /*offSrcFrame*/, cFramesWritten, &cFramesPeeked, &PeekState, au16Buf, sizeof(au16Buf), &cbPeeked);
|
---|
820 | RTTESTI_CHECK(cFramesPeeked == cFramesWritten);
|
---|
821 | RTTESTI_CHECK(cbPeeked == PDMAudioPropsFramesToBytes(&Cfg, cFramesPeeked));
|
---|
822 | AudioMixBufAdvance(&MixBuf, cFramesPeeked);
|
---|
823 |
|
---|
824 | /* Check that at 0dB the frames came out unharmed. */
|
---|
825 | if (memcmp(au16Buf, s_aFrames16S, sizeof(s_aFrames16S)) != 0)
|
---|
826 | RTTestFailed(hTest,
|
---|
827 | "0dB test failed\n"
|
---|
828 | "mismatch: %.*Rhxs\n"
|
---|
829 | "expected: %.*Rhxs\n",
|
---|
830 | sizeof(s_aFrames16S), au16Buf, sizeof(s_aFrames16S), s_aFrames16S);
|
---|
831 |
|
---|
832 | /*
|
---|
833 | * 2) Half volume/-6dB attenuation (16 steps down).
|
---|
834 | */
|
---|
835 | PDMAudioVolumeInitFromStereo(&Vol, false, 255 - 16, 255 - 16);
|
---|
836 | AudioMixBufSetVolume(&MixBuf, &Vol);
|
---|
837 |
|
---|
838 | /* Write all the test frames to the mixer buffer: */
|
---|
839 | AudioMixBufWrite(&MixBuf, &WriteState, &s_aFrames16S[0], sizeof(s_aFrames16S), 0 /*offDstFrame*/, cBufSize, &cFramesWritten);
|
---|
840 | RTTESTI_CHECK(cFramesWritten == RT_ELEMENTS(s_aFrames16S) / 2);
|
---|
841 | AudioMixBufCommit(&MixBuf, cFramesWritten);
|
---|
842 |
|
---|
843 | /* Read them back. We should get them back just like we wrote them. */
|
---|
844 | AudioMixBufPeek(&MixBuf, 0 /*offSrcFrame*/, cFramesWritten, &cFramesPeeked, &PeekState, au16Buf, sizeof(au16Buf), &cbPeeked);
|
---|
845 | RTTESTI_CHECK(cFramesPeeked == cFramesWritten);
|
---|
846 | RTTESTI_CHECK(cbPeeked == PDMAudioPropsFramesToBytes(&Cfg, cFramesPeeked));
|
---|
847 | AudioMixBufAdvance(&MixBuf, cFramesPeeked);
|
---|
848 |
|
---|
849 | /* Check that at -6dB the sample values are halved. */
|
---|
850 | int16_t ai16Expect[sizeof(s_aFrames16S) / 2];
|
---|
851 | memcpy(ai16Expect, s_aFrames16S, sizeof(ai16Expect));
|
---|
852 | for (uintptr_t i = 0; i < RT_ELEMENTS(ai16Expect); i++)
|
---|
853 | ai16Expect[i] >>= 1; /* /= 2 - not the same for signed numbers; */
|
---|
854 | if (memcmp(au16Buf, ai16Expect, sizeof(ai16Expect)) != 0)
|
---|
855 | RTTestFailed(hTest,
|
---|
856 | "-6dB test failed\n"
|
---|
857 | "mismatch: %.*Rhxs\n"
|
---|
858 | "expected: %.*Rhxs\n"
|
---|
859 | "wrote: %.*Rhxs\n",
|
---|
860 | sizeof(ai16Expect), au16Buf, sizeof(ai16Expect), ai16Expect, sizeof(s_aFrames16S), s_aFrames16S);
|
---|
861 |
|
---|
862 | AudioMixBufTerm(&MixBuf);
|
---|
863 | }
|
---|
864 |
|
---|
865 |
|
---|
866 | int main(int argc, char **argv)
|
---|
867 | {
|
---|
868 | RTR3InitExe(argc, &argv, 0);
|
---|
869 |
|
---|
870 | /*
|
---|
871 | * Initialize IPRT and create the test.
|
---|
872 | */
|
---|
873 | RTTEST hTest;
|
---|
874 | int rc = RTTestInitAndCreate("tstAudioMixBuffer", &hTest);
|
---|
875 | if (rc)
|
---|
876 | return rc;
|
---|
877 | RTTestBanner(hTest);
|
---|
878 |
|
---|
879 | tstBasics(hTest);
|
---|
880 | tstSimple(hTest);
|
---|
881 |
|
---|
882 | /* Run tstConversion for all combinations we have test data. */
|
---|
883 | for (unsigned iSrc = 0; iSrc < RT_ELEMENTS(g_aTestSamples); iSrc++)
|
---|
884 | {
|
---|
885 | for (unsigned iSrcSigned = 0; iSrcSigned < RT_ELEMENTS(g_aTestSamples[0].apv); iSrcSigned++)
|
---|
886 | if (g_aTestSamples[iSrc].apv[iSrcSigned])
|
---|
887 | for (unsigned cSrcChs = 1; cSrcChs <= 2; cSrcChs++)
|
---|
888 | for (unsigned iDst = 0; iDst < RT_ELEMENTS(g_aTestSamples); iDst++)
|
---|
889 | for (unsigned iDstSigned = 0; iDstSigned < RT_ELEMENTS(g_aTestSamples[0].apv); iDstSigned++)
|
---|
890 | if (g_aTestSamples[iDst].apv[iDstSigned])
|
---|
891 | for (unsigned cDstChs = 1; cDstChs <= 2; cDstChs++)
|
---|
892 | tstConversion(hTest, iSrc * 8, iSrcSigned == 1, cSrcChs,
|
---|
893 | /*->*/ iDst * 8, iDstSigned == 1, cDstChs);
|
---|
894 | }
|
---|
895 |
|
---|
896 | #if 0 /** @todo rewrite to non-parent/child setup */
|
---|
897 | tstDownsampling(hTest, 44100, 22050);
|
---|
898 | tstDownsampling(hTest, 48000, 44100);
|
---|
899 | tstDownsampling(hTest, 48000, 22050);
|
---|
900 | tstDownsampling(hTest, 48000, 11000);
|
---|
901 | #endif
|
---|
902 | tstNewPeek(hTest, 48000, 48000);
|
---|
903 | tstNewPeek(hTest, 48000, 11000);
|
---|
904 | tstNewPeek(hTest, 48000, 44100);
|
---|
905 | tstNewPeek(hTest, 44100, 22050);
|
---|
906 | tstNewPeek(hTest, 44100, 11000);
|
---|
907 | //tstNewPeek(hTest, 11000, 48000);
|
---|
908 | //tstNewPeek(hTest, 22050, 44100);
|
---|
909 |
|
---|
910 | tstVolume(hTest);
|
---|
911 |
|
---|
912 | /*
|
---|
913 | * Summary
|
---|
914 | */
|
---|
915 | return RTTestSummaryAndDestroy(hTest);
|
---|
916 | }
|
---|