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     75 >SDL_MixAudio</H1
     76 ><DIV
     77 CLASS="REFNAMEDIV"
     78 ><A
     79 NAME="AEN7107"
     80 ></A
     81 ><H2
     82 >Name</H2
     83 >SDL_MixAudio&nbsp;--&nbsp;Mix audio data</DIV
     84 ><DIV
     85 CLASS="REFSYNOPSISDIV"
     86 ><A
     87 NAME="AEN7110"
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     89 ><H2
     90 >Synopsis</H2
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     94 NAME="AEN7111"
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     96 ><P
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     98 ><PRE
     99 CLASS="FUNCSYNOPSISINFO"
    100 >#include "SDL.h"</PRE
    101 ><P
    102 ><CODE
    103 ><CODE
    104 CLASS="FUNCDEF"
    105 >void <B
    106 CLASS="FSFUNC"
    107 >SDL_MixAudio</B
    108 ></CODE
    109 >(Uint8 *dst, Uint8 *src, Uint32 len, int volume);</CODE
    110 ></P
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    117 ><A
    118 NAME="AEN7117"
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    120 ><H2
    121 >Description</H2
    122 ><P
    123 >This function takes two audio buffers of <TT
    124 CLASS="PARAMETER"
    125 ><I
    126 >len</I
    127 ></TT
    128 > bytes each
    129 of the playing audio format and mixes them, performing addition, volume
    130 adjustment, and overflow clipping. The <TT
    131 CLASS="PARAMETER"
    132 ><I
    133 >volume</I
    134 ></TT
    135 > ranges
    136 from 0 to <TT
    137 CLASS="LITERAL"
    138 >SDL_MIX_MAXVOLUME</TT
    139 > and should be set to the maximum
    140 value for full audio volume. Note this does not change hardware volume. This is
    141 provided for convenience -- you can mix your own audio data.</P
    142 ><DIV
    143 CLASS="NOTE"
    144 ><BLOCKQUOTE
    145 CLASS="NOTE"
    146 ><P
    147 ><B
    148 >Note: </B
    149 >Do not use this function for mixing together more than two streams of sample
    150 data. The output from repeated application of this function may be distorted
    151 by clipping, because there is no accumulator with greater range than the
    152 input (not to mention this being an inefficient way of doing it).
    153 Use mixing functions from SDL_mixer, OpenAL, or write your own mixer instead.</P
    154 ></BLOCKQUOTE
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    158 CLASS="REFSECT1"
    159 ><A
    160 NAME="AEN7125"
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    162 ><H2
    163 >See Also</H2
    164 ><P
    165 ><A
    166 HREF="sdlopenaudio.html"
    167 ><TT
    168 CLASS="FUNCTION"
    169 >SDL_OpenAudio</TT
    170 ></A
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