1 | #define INCL_DOS
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2 | #define INCL_DOSERRORS
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3 | #include <os2.h>
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4 | #include <stdlib.h>
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5 | #include <stdio.h>
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6 | #include <io.h>
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7 | #include <fcntl.h>
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8 | #include <conio.h>
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9 | #include <math.h>
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10 |
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11 | #include "uniaud.h"
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12 | #include "unidef.h"
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13 | #include "unierrno.h"
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14 |
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15 |
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16 | int pcms_num[MAX_CARDS] = {0}; // number of pcm instances
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17 | int cards_num = 0; // number of cards
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18 |
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19 | POSS32_DEVCAPS pcmcaps[MAX_CARDS] = {0}; // pointer to pcm caps
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20 |
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21 | UniaudCardInfo *CardInfo[MAX_CARDS] = {0};
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22 |
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23 | snd_pcm_status_t status;
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24 |
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25 | struct frmsize_s
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26 | {
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27 | uint16_t bit_rate;
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28 | uint16_t frm_size[3];
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29 | };
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30 |
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31 | static const struct frmsize_s frmsizecod_tbl[64] =
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32 | {
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33 | { 32 ,{64 ,69 ,96 } },
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34 | { 32 ,{64 ,70 ,96 } },
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35 | { 40 ,{80 ,87 ,120 } },
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36 | { 40 ,{80 ,88 ,120 } },
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37 | { 48 ,{96 ,104 ,144 } },
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38 | { 48 ,{96 ,105 ,144 } },
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39 | { 56 ,{112 ,121 ,168 } },
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40 | { 56 ,{112 ,122 ,168 } },
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41 | { 64 ,{128 ,139 ,192 } },
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42 | { 64 ,{128 ,140 ,192 } },
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43 | { 80 ,{160 ,174 ,240 } },
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44 | { 80 ,{160 ,175 ,240 } },
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45 | { 96 ,{192 ,208 ,288 } },
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46 | { 96 ,{192 ,209 ,288 } },
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47 | { 112 ,{224 ,243 ,336 } },
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48 | { 112 ,{224 ,244 ,336 } },
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49 | { 128 ,{256 ,278 ,384 } },
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50 | { 128 ,{256 ,279 ,384 } },
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51 | { 160 ,{320 ,348 ,480 } },
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52 | { 160 ,{320 ,349 ,480 } },
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53 | { 192 ,{384 ,417 ,576 } },
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54 | { 192 ,{384 ,418 ,576 } },
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55 | { 224 ,{448 ,487 ,672 } },
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56 | { 224 ,{448 ,488 ,672 } },
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57 | { 256 ,{512 ,557 ,768 } },
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58 | { 256 ,{512 ,558 ,768 } },
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59 | { 320 ,{640 ,696 ,960 } },
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60 | { 320 ,{640 ,697 ,960 } },
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61 | { 384 ,{768 ,835 ,1152 } },
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62 | { 384 ,{768 ,836 ,1152 } },
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63 | { 448 ,{896 ,975 ,1344 } },
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64 | { 448 ,{896 ,976 ,1344 } },
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65 | { 512 ,{1024 ,1114 ,1536 } },
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66 | { 512 ,{1024 ,1115 ,1536 } },
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67 | { 576 ,{1152 ,1253 ,1728 } },
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68 | { 576 ,{1152 ,1254 ,1728 } },
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69 | { 640 ,{1280 ,1393 ,1920 } },
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70 | { 640 ,{1280 ,1394 ,1920 } }
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71 | };
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72 |
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73 |
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74 | int main (int argc, char *argv[])
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75 | {
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76 | int ver, err, ret;
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77 | int bytesread, count, blocksize;
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78 | int card_id = 0;
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79 | uniaud_pcm *pcm = NULL;
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80 | char *Buffer;
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81 | char *out_buf;
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82 | int readed, written, state, fsize;
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83 | FILE *input_handle = NULL;
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84 | unsigned int syncword, crc1, fscod,frmsizecod,bsid,bsmod,frame_size;
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85 | uint16_t *out_buf16;
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86 |
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87 | printf("SPDIF test tool for UNIAUD. Version 0.01\n");
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88 | printf("Copyright 2007 by Vlad Stelmahosky aka Vladest\n");
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89 |
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90 | ver = uniaud_get_version();
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91 |
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92 | switch (ver)
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93 | {
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94 | case -2:
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95 | printf("Error: uniaud not detected\n");
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96 | return 1;
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97 | break;
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98 | case -1:
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99 | printf("Error: uniaud error\n");
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100 | return 1;
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101 | break;
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102 | default:
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103 | if (ver < 111)
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104 | {
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105 | printf("Error: unsupported version of uniaud\n");
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106 | return 1;
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107 | } else
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108 | printf("Detected UNIAUD version %1d.%02d.%02d\n", ver/10000, (ver / 100) % 100, ver % 100 );
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109 | }
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110 |
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111 | cards_num = uniaud_get_cards();
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112 | if (!cards_num)
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113 | {
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114 | printf("No audio cards detected\n");
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115 | return 1;
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116 | }
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117 |
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118 | printf("Detected %i audio adapter(s)\n", cards_num);
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119 |
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120 | // set pcm to ON
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121 | if (uniaud_mixer_put_value_by_name(card_id,"IEC958 Playback Switch",1, 0, 0) < 0)
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122 | {
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123 | printf("Error setting IEC958 Playback switch\n");
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124 | }
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125 | if (uniaud_mixer_put_value_by_name(card_id,"IEC958 Playback AC97-SPSA",0, 0, 0) < 0)
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126 | {
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127 | printf("Error setting IEC958 Playback AC97\n");
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128 | }
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129 | /*
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130 | * AES settings:
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131 | * AES0 # consumer, not-copyright, emphasis-none, mode=0
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132 | * default 0x04
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133 | * AES1 # original, PCM coder
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134 | * default 0x82
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135 | * AES2 # source and channel
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136 | * default 0x00
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137 | * AES3 # fs=48000Hz, clock accuracy=1000ppm
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138 | * default 0x02
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139 | */
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140 | #if 1
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141 | if (uniaud_mixer_put_spdif_status(card_id,
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142 | "IEC958 Playback Default",
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143 | IEC958_AES0_PROFESSIONAL |
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144 | IEC958_AES0_NONAUDIO |
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145 | IEC958_AES0_PRO_EMPHASIS_NONE |
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146 | IEC958_AES0_PRO_FS_48000,
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147 | IEC958_AES1_PRO_MODE_NOTID |
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148 | IEC958_AES1_PRO_USERBITS_NOTID,
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149 | IEC958_AES2_PRO_WORDLEN_NOTID,
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150 | 0
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151 | /*0x06, 0x82, 0x00, 0x02*/))
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152 | #else
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153 | if (uniaud_mixer_put_spdif_status(card_id,
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154 | "IEC958 Playback Default",
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155 | IEC958_AES0_CON_EMPHASIS_NONE
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156 | | IEC958_AES0_NONAUDIO,
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157 | IEC958_AES1_CON_ORIGINAL |
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158 | IEC958_AES1_CON_PCM_CODER,
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159 | 0,
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160 | IEC958_AES3_CON_FS_48000
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161 | /*0x06, 0x82, 0x00, 0x02*/))
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162 |
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163 | #endif
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164 | {
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165 | printf("Error setting IEC958 status\n");
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166 | }
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167 | #if 0
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168 | if (uniaud_mixer_put_value_by_name(card_id,"Master Playback Switch",1, 0, 0) < 0)
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169 | {
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170 | printf("Error in mixer\n");
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171 | }
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172 | if (uniaud_mixer_put_value_by_name(card_id,"Master Playback Volume",50, 0, 0) < 0)
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173 | {
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174 | printf("Error in mixer\n");
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175 | }
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176 | if (uniaud_mixer_put_value_by_name(card_id,"Master Playback Volume",50, 1, 0) < 0)
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177 | {
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178 | printf("Error in mixer\n");
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179 | }
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180 |
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181 | if (uniaud_mixer_put_value_by_name(card_id,"PCM Playback Switch",1, 0, 0) < 0)
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182 | {
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183 | printf("Error in mixer\n");
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184 | }
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185 | if (uniaud_mixer_put_value_by_name(card_id,"PCM Playback Volume",31, 0, 0) < 0)
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186 | {
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187 | printf("Error in mixer\n");
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188 | }
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189 | if (uniaud_mixer_put_value_by_name(card_id,"PCM Playback Volume",31, 1, 0) < 0)
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190 | {
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191 | printf("Error in mixer\n");
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192 | }
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193 | #endif
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194 | readed = written = 0;
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195 | /* PCM N2 = SPDIF */
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196 | err = uniaud_pcm_open(card_id, PCM_TYPE_WRITE, 0, 0, 48000, 2,
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197 | SNDRV_PCM_FORMAT_S16_LE, &pcm);
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198 | if (pcm && err == 0)
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199 | {
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200 | printf("opened. pcm = %x\n", pcm);
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201 | err = uniaud_pcm_prepare(pcm);
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202 | printf("prepare err = %i\n", err);
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203 | uniaud_pcm_status(pcm, &status);
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204 | if (argc > 1)
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205 | input_handle = fopen(argv[1], "rb");
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206 | if (!input_handle)
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207 | {
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208 | err = uniaud_pcm_close(pcm);
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209 | printf("Error opening file\n");
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210 | return 0;
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211 | }
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212 | //count = pcm->bufsize;
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213 | count = pcm->period_size*2;
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214 | fseek(input_handle, 0L, SEEK_END);
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215 | fsize = ftell(input_handle);
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216 | fseek(input_handle, 0L, SEEK_SET);
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217 | blocksize = 1792; /* AC3 block size*/
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218 | Buffer = malloc(65535);
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219 | out_buf = malloc(65535);
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220 | // memset(Buffer,0, count);
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221 |
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222 | while (1)
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223 | {
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224 | bytesread = fread (Buffer, 1, blocksize, input_handle);
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225 | // read file and play into driver
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226 | if (bytesread != blocksize) break;
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227 | syncword = Buffer[0] | (Buffer[1] << 8);
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228 | crc1 = Buffer[2] | (Buffer[3] << 8);
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229 | fscod = (Buffer[4] >> 6) & 0x3;
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230 | frmsizecod = Buffer[4] & 0x3f;
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231 | bsid = (Buffer[5] >> 3) & 0x1f;
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232 | bsmod = Buffer[5] & 0x7; /* bsmod, stream = 0 */
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233 | frame_size = frmsizecod_tbl[frmsizecod].frm_size[fscod] ;
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234 |
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235 | //printf("AC3 frame size: %i, period: %i\n", frame_size, pcm->period_size);
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236 | out_buf16 = (uint16_t *)out_buf;
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237 | out_buf16[0] = 0xF872; // iec 61937 syncword 1
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238 | out_buf16[1] = 0x4E1F; // iec 61937 syncword 2
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239 | out_buf16[2] = 0x0001; // data-type ac3
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240 | out_buf16[2] |= (Buffer[5] & 0x7) << 8; // bsmod
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241 | out_buf16[3] = (frame_size *2 ) << 3; // ???? number of bits in payload
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242 | //out_buf[8] = 0x77; out_buf[9] = 0x0b; // AC3 syncwork
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243 | swab(Buffer, &out_buf[8], frame_size*2);
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244 | //memcpy(&out_buf[8], Buffer, frame_size*2);
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245 |
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246 | err = uniaud_pcm_write(pcm, out_buf, pcm->period_size*2);
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247 |
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248 | ret = uniaud_pcm_wait(pcm, 1000);
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249 | if (ret <= 0)
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250 | printf("error waiting pcm interrupt %i\n", ret);
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251 |
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252 | if (err > 0) // write something
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253 | {
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254 | written=written+err;
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255 | printf("written=%i. AC3 frame size: %i, fscod: %i\r",written, frame_size, fscod);
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256 | if (written >= fsize) break;
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257 | }
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258 | if (err == -EAGAIN) //
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259 | {
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260 | // printf("eagain\n");
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261 | continue;
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262 | }
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263 | if (err < 0) {
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264 | if (err < -10000)
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265 | {
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266 | printf("internal uniaud err = %i\n", err);
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267 | break;
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268 | }
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269 | state = uniaud_pcm_state(pcm);
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270 | printf("state after write: %i, err = %i\n",state, err);
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271 | if ( (state != SND_PCM_STATE_PREPARED) &&
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272 | (state != SND_PCM_STATE_RUNNING) &&
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273 | (state != SND_PCM_STATE_DRAINING) ) {
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274 | printf("write:BAD STATE2, state = %d, going to try XRUN\n",state);
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275 | if ((ret = uniaud_pcm_prepare(pcm))<0) {
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276 | // printf("xrun: prepare error: %i", err);
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277 | return 0;
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278 | }
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279 | }
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280 | }
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281 | }
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282 | fclose(input_handle);
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283 | free(Buffer);
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284 | free(out_buf);
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285 | err = uniaud_pcm_close(pcm);
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286 | }
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287 | else
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288 | {
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289 | printf("open err: %i, pcm %x\n", err, pcm);
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290 | if (err == 10005)
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291 | err = uniaud_pcm_close(pcm);
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292 | printf("close err: %i\n", err);
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293 | }
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294 |
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295 | return 0;
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296 | }
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