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  1. <HTML
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  4. >SDL_MixAudio</TITLE
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  39. >SDL Library Documentation</TH
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  68. ><H1
  69. ><A
  70. NAME="SDLMIXAUDIO"
  71. >SDL_MixAudio</A
  72. ></H1
  73. ><DIV
  74. CLASS="REFNAMEDIV"
  75. ><A
  76. NAME="AEN6566"
  77. ></A
  78. ><H2
  79. >Name</H2
  80. >SDL_MixAudio -- Mix audio data</DIV
  81. ><DIV
  82. CLASS="REFSYNOPSISDIV"
  83. ><A
  84. NAME="AEN6569"
  85. ></A
  86. ><H2
  87. >Synopsis</H2
  88. ><DIV
  89. CLASS="FUNCSYNOPSIS"
  90. ><A
  91. NAME="AEN6570"
  92. ></A
  93. ><P
  94. ></P
  95. ><PRE
  96. CLASS="FUNCSYNOPSISINFO"
  97. >#include "SDL.h"</PRE
  98. ><P
  99. ><CODE
  100. ><CODE
  101. CLASS="FUNCDEF"
  102. >void <B
  103. CLASS="FSFUNC"
  104. >SDL_MixAudio</B
  105. ></CODE
  106. >(Uint8 *dst, Uint8 *src, Uint32 len, int volume);</CODE
  107. ></P
  108. ><P
  109. ></P
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  112. ><DIV
  113. CLASS="REFSECT1"
  114. ><A
  115. NAME="AEN6576"
  116. ></A
  117. ><H2
  118. >Description</H2
  119. ><P
  120. >This function takes two audio buffers of <TT
  121. CLASS="PARAMETER"
  122. ><I
  123. >len</I
  124. ></TT
  125. > bytes each
  126. of the playing audio format and mixes them, performing addition, volume
  127. adjustment, and overflow clipping. The <TT
  128. CLASS="PARAMETER"
  129. ><I
  130. >volume</I
  131. ></TT
  132. > ranges
  133. from 0 to <TT
  134. CLASS="LITERAL"
  135. >SDL_MIX_MAXVOLUME</TT
  136. > and should be set to the maximum
  137. value for full audio volume. Note this does not change hardware volume. This is
  138. provided for convenience -- you can mix your own audio data.</P
  139. ></DIV
  140. ><DIV
  141. CLASS="REFSECT1"
  142. ><A
  143. NAME="AEN6582"
  144. ></A
  145. ><H2
  146. >See Also</H2
  147. ><P
  148. ><A
  149. HREF="sdlopenaudio.html"
  150. ><TT
  151. CLASS="FUNCTION"
  152. >SDL_OpenAudio</TT
  153. ></A
  154. ></P
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  196. >SDL_ConvertAudio</TD
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  203. >Up</A
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