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annotate docs/man3/SDL_MixAudio.3 @ 1816:0b627b7d1900

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Fixed bug #53 Updated CWprojects.sea.bin with Anders F Björklun's CodeWarrior 5 and 6 projects. In addition, added the following tweaks from Sam: * Updated the version string to 1.2.10 * Removed Win32 targets from CodeWarrior 5 projects * Cleaned up access paths * Removed unnecessary macos_prefix.h * Added all necessary StdCLib headers to Support:MacOS * Added OpenGL 1.2 API headers and libraries to Support:MacOS * Added testdyngl test program * Removed OpenGL stub from all test programs except for testgl
author Sam Lantinga <slouken@libsdl.org>
date Thu, 11 May 2006 08:31:33 +0000
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children 546f7c1eb755
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1 .TH "SDL_MixAudio" "3" "Tue 11 Sep 2001, 22:58" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_MixAudio\- Mix audio data
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBvoid \fBSDL_MixAudio\fP\fR(\fBUint8 *dst, Uint8 *src, Uint32 len, int volume\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 This function takes two audio buffers of \fBlen\fR bytes each of the playing audio format and mixes them, performing addition, volume adjustment, and overflow clipping\&. The \fBvolume\fR ranges from 0 to \fBSDL_MIX_MAXVOLUME\fP and should be set to the maximum value for full audio volume\&. Note this does not change hardware volume\&. This is provided for convenience -- you can mix your own audio data\&.
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12 .PP
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13 .RS
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14 \fBNote:
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15 .PP
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16 Do not use this function for mixing together more than two streams of sample data\&. The output from repeated application of this function may be distorted by clipping, because there is no accumulator with greater range than the input (not to mention this being an inefficient way of doing it)\&. Use mixing functions from SDL_mixer, OpenAL, or write your own mixer instead\&.
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17 .RE
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18 .SH "SEE ALSO"
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19 .PP
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20 \fI\fBSDL_OpenAudio\fP\fR
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21 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:58