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1 <HTML
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2 ><HEAD
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3 ><TITLE
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4 >SDL_LoadWAV</TITLE
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5 ><META
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6 NAME="GENERATOR"
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.61
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8 "><LINK
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9 REL="HOME"
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10 TITLE="SDL Library Documentation"
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11 HREF="index.html"><LINK
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12 REL="UP"
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13 TITLE="Audio"
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14 HREF="audio.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="SDL_GetAudioStatus"
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17 HREF="sdlgetaudiostatus.html"><LINK
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18 REL="NEXT"
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19 TITLE="SDL_FreeWAV"
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20 HREF="sdlfreewav.html"></HEAD
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21 ><BODY
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22 CLASS="REFENTRY"
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23 BGCOLOR="#FFF8DC"
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24 TEXT="#000000"
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25 LINK="#0000ee"
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26 VLINK="#551a8b"
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27 ALINK="#ff0000"
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28 ><DIV
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29 CLASS="NAVHEADER"
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30 ><TABLE
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31 WIDTH="100%"
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32 BORDER="0"
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33 CELLPADDING="0"
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34 CELLSPACING="0"
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35 ><TR
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36 ><TH
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37 COLSPAN="3"
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38 ALIGN="center"
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39 >SDL Library Documentation</TH
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40 ></TR
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41 ><TR
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42 ><TD
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43 WIDTH="10%"
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44 ALIGN="left"
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45 VALIGN="bottom"
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46 ><A
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47 HREF="sdlgetaudiostatus.html"
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48 >Prev</A
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49 ></TD
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50 ><TD
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51 WIDTH="80%"
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52 ALIGN="center"
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53 VALIGN="bottom"
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54 ></TD
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55 ><TD
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56 WIDTH="10%"
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57 ALIGN="right"
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58 VALIGN="bottom"
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59 ><A
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60 HREF="sdlfreewav.html"
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61 >Next</A
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62 ></TD
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63 ></TR
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64 ></TABLE
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65 ><HR
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66 ALIGN="LEFT"
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67 WIDTH="100%"></DIV
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68 ><H1
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69 ><A
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70 NAME="SDLLOADWAV"
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71 >SDL_LoadWAV</A
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72 ></H1
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73 ><DIV
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74 CLASS="REFNAMEDIV"
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75 ><A
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76 NAME="AEN6194"
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77 ></A
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78 ><H2
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79 >Name</H2
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80 >SDL_LoadWAV -- Load a WAVE file</DIV
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81 ><DIV
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82 CLASS="REFSYNOPSISDIV"
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83 ><A
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84 NAME="AEN6197"
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85 ></A
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86 ><H2
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87 >Synopsis</H2
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88 ><DIV
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89 CLASS="FUNCSYNOPSIS"
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90 ><A
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91 NAME="AEN6198"
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92 ></A
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93 ><P
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94 ></P
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95 ><PRE
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96 CLASS="FUNCSYNOPSISINFO"
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97 >#include "SDL.h"</PRE
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98 ><P
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99 ><CODE
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100 ><CODE
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101 CLASS="FUNCDEF"
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102 >SDL_AudioSpec *<B
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103 CLASS="FSFUNC"
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104 >SDL_LoadWAV</B
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105 ></CODE
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106 >(const char *file, SDL_AudioSpec *spec, Uint8 **audio_buf, Uint32 *audio_len);</CODE
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107 ></P
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108 ><P
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109 ></P
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110 ></DIV
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111 ></DIV
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112 ><DIV
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113 CLASS="REFSECT1"
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114 ><A
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115 NAME="AEN6204"
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116 ></A
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117 ><H2
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118 >Description</H2
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119 ><P
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120 ><TT
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121 CLASS="FUNCTION"
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122 >SDL_LoadWAV</TT
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123 >
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124 This function loads a WAVE <TT
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125 CLASS="PARAMETER"
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126 ><I
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127 >file</I
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128 ></TT
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129 > into memory.</P
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130 ><P
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131 >If this function succeeds, it returns the given
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132 <A
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133 HREF="sdlaudiospec.html"
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134 ><TT
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135 CLASS="FUNCTION"
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136 >SDL_AudioSpec</TT
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137 ></A
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138 >,
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139 filled with the audio data format of the wave data, and sets
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140 <TT
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141 CLASS="PARAMETER"
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142 ><I
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143 >audio_buf</I
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144 ></TT
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145 > to a <TT
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146 CLASS="FUNCTION"
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147 >malloc</TT
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148 >'d
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149 buffer containing the audio data, and sets <TT
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150 CLASS="PARAMETER"
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151 ><I
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152 >audio_len</I
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153 ></TT
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154 >
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155 to the length of that audio buffer, in bytes. You need to free the audio
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156 buffer with <A
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157 HREF="sdlfreewav.html"
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158 ><TT
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159 CLASS="FUNCTION"
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160 >SDL_FreeWAV</TT
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161 ></A
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162 > when you are
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163 done with it.</P
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164 ><P
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165 >This function returns <TT
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166 CLASS="LITERAL"
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167 >NULL</TT
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168 > and sets the SDL
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169 error message if the wave file cannot be opened, uses an unknown data format,
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170 or is corrupt. Currently raw, MS-ADPCM and IMA-ADPCM WAVE files are supported.</P
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171 ></DIV
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172 ><DIV
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173 CLASS="REFSECT1"
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174 ><A
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175 NAME="AEN6219"
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176 ></A
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177 ><H2
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178 >Example</H2
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179 ><PRE
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180 CLASS="PROGRAMLISTING"
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181 >SDL_AudioSpec wav_spec;
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182 Uint32 wav_length;
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183 Uint8 *wav_buffer;
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184
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185 /* Load the WAV */
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186 if( SDL_LoadWAV("test.wav", &wav_spec, &wav_buffer, &wav_length) == NULL ){
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187 fprintf(stderr, "Could not open test.wav: %s\n", SDL_GetError());
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188 exit(-1);
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189 }
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190 .
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191 .
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192 .
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193 /* Do stuff with the WAV */
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194 .
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195 .
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196 /* Free It */
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197 SDL_FreeWAV(wav_buffer);</PRE
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198 ></DIV
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199 ><DIV
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200 CLASS="REFSECT1"
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201 ><A
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202 NAME="AEN6222"
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203 ></A
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204 ><H2
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205 >See Also</H2
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206 ><P
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207 ><A
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208 HREF="sdlaudiospec.html"
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209 ><SPAN
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210 CLASS="STRUCTNAME"
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211 >SDL_AudioSpec</SPAN
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212 ></A
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213 >,
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214 <A
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215 HREF="sdlopenaudio.html"
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216 ><TT
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217 CLASS="FUNCTION"
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218 >SDL_OpenAudio</TT
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219 ></A
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220 >,
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221 <A
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222 HREF="sdlfreewav.html"
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223 ><TT
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224 CLASS="FUNCTION"
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225 >SDL_FreeWAV</TT
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226 ></A
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227 ></P
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228 ></DIV
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229 ><DIV
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230 CLASS="NAVFOOTER"
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231 ><HR
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232 ALIGN="LEFT"
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233 WIDTH="100%"><TABLE
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234 WIDTH="100%"
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235 BORDER="0"
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236 CELLPADDING="0"
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237 CELLSPACING="0"
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238 ><TR
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239 ><TD
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240 WIDTH="33%"
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241 ALIGN="left"
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242 VALIGN="top"
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243 ><A
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244 HREF="sdlgetaudiostatus.html"
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245 >Prev</A
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246 ></TD
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247 ><TD
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248 WIDTH="34%"
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249 ALIGN="center"
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250 VALIGN="top"
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251 ><A
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252 HREF="index.html"
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253 >Home</A
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254 ></TD
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255 ><TD
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256 WIDTH="33%"
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257 ALIGN="right"
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258 VALIGN="top"
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259 ><A
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260 HREF="sdlfreewav.html"
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261 >Next</A
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262 ></TD
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263 ></TR
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264 ><TR
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265 ><TD
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266 WIDTH="33%"
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267 ALIGN="left"
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268 VALIGN="top"
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269 >SDL_GetAudioStatus</TD
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270 ><TD
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271 WIDTH="34%"
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272 ALIGN="center"
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273 VALIGN="top"
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274 ><A
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275 HREF="audio.html"
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276 >Up</A
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277 ></TD
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278 ><TD
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279 WIDTH="33%"
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280 ALIGN="right"
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281 VALIGN="top"
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282 >SDL_FreeWAV</TD
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283 ></TR
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284 ></TABLE
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285 ></DIV
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286 ></BODY
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287 ></HTML
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288 > |
