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| author | Jesse Hall <jessehall@google.com> | 2012-07-23 10:12:30 -0700 |
|---|---|---|
| committer | android code review <noreply-gerritcodereview@google.com> | 2012-07-23 10:12:30 -0700 |
| commit | 2b3a42e7d0b441f71fc2e2b07269dd1f8151c977 (patch) | |
| tree | ded6ee18c4e1f33df235e53615a6d65e2d64f4ef /distrib/sdl-1.2.15/docs/html/sdlmixaudio.html | |
| parent | 3dcbebfd43e409c3bbff7fc79288e40666a947fd (diff) | |
| parent | 9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f (diff) | |
| download | external_qemu-2b3a42e7d0b441f71fc2e2b07269dd1f8151c977.zip external_qemu-2b3a42e7d0b441f71fc2e2b07269dd1f8151c977.tar.gz external_qemu-2b3a42e7d0b441f71fc2e2b07269dd1f8151c977.tar.bz2 | |
Merge changes I505c4aea,I2ae0529c
* changes:
Import SDL release-1.2.15
Handle SDL windows with BGRA color
Diffstat (limited to 'distrib/sdl-1.2.15/docs/html/sdlmixaudio.html')
| -rw-r--r-- | distrib/sdl-1.2.15/docs/html/sdlmixaudio.html | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/docs/html/sdlmixaudio.html b/distrib/sdl-1.2.15/docs/html/sdlmixaudio.html new file mode 100644 index 0000000..6cbf0f0 --- /dev/null +++ b/distrib/sdl-1.2.15/docs/html/sdlmixaudio.html @@ -0,0 +1,237 @@ +<HTML +><HEAD +><TITLE +>SDL_MixAudio</TITLE +><META +NAME="GENERATOR" +CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ +"><LINK +REL="HOME" +TITLE="SDL Library Documentation" +HREF="index.html"><LINK +REL="UP" +TITLE="Audio" +HREF="audio.html"><LINK +REL="PREVIOUS" +TITLE="SDL_ConvertAudio" +HREF="sdlconvertaudio.html"><LINK +REL="NEXT" +TITLE="SDL_LockAudio" +HREF="sdllockaudio.html"></HEAD +><BODY +CLASS="REFENTRY" +BGCOLOR="#FFF8DC" +TEXT="#000000" +LINK="#0000ee" +VLINK="#551a8b" +ALINK="#ff0000" +><DIV +CLASS="NAVHEADER" +><TABLE +SUMMARY="Header navigation table" +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TH +COLSPAN="3" +ALIGN="center" +>SDL Library Documentation</TH +></TR +><TR +><TD +WIDTH="10%" +ALIGN="left" +VALIGN="bottom" +><A +HREF="sdlconvertaudio.html" +ACCESSKEY="P" +>Prev</A +></TD +><TD +WIDTH="80%" +ALIGN="center" +VALIGN="bottom" +></TD +><TD +WIDTH="10%" +ALIGN="right" +VALIGN="bottom" +><A +HREF="sdllockaudio.html" +ACCESSKEY="N" +>Next</A +></TD +></TR +></TABLE +><HR +ALIGN="LEFT" +WIDTH="100%"></DIV +><H1 +><A +NAME="SDLMIXAUDIO" +></A +>SDL_MixAudio</H1 +><DIV +CLASS="REFNAMEDIV" +><A +NAME="AEN7107" +></A +><H2 +>Name</H2 +>SDL_MixAudio -- Mix audio data</DIV +><DIV +CLASS="REFSYNOPSISDIV" +><A +NAME="AEN7110" +></A +><H2 +>Synopsis</H2 +><DIV +CLASS="FUNCSYNOPSIS" +><A +NAME="AEN7111" +></A +><P +></P +><PRE +CLASS="FUNCSYNOPSISINFO" +>#include "SDL.h"</PRE +><P +><CODE +><CODE +CLASS="FUNCDEF" +>void <B +CLASS="FSFUNC" +>SDL_MixAudio</B +></CODE +>(Uint8 *dst, Uint8 *src, Uint32 len, int volume);</CODE +></P +><P +></P +></DIV +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN7117" +></A +><H2 +>Description</H2 +><P +>This function takes two audio buffers of <TT +CLASS="PARAMETER" +><I +>len</I +></TT +> bytes each +of the playing audio format and mixes them, performing addition, volume +adjustment, and overflow clipping. The <TT +CLASS="PARAMETER" +><I +>volume</I +></TT +> ranges +from 0 to <TT +CLASS="LITERAL" +>SDL_MIX_MAXVOLUME</TT +> 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.</P +><DIV +CLASS="NOTE" +><BLOCKQUOTE +CLASS="NOTE" +><P +><B +>Note: </B +>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.</P +></BLOCKQUOTE +></DIV +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN7125" +></A +><H2 +>See Also</H2 +><P +><A +HREF="sdlopenaudio.html" +><TT +CLASS="FUNCTION" +>SDL_OpenAudio</TT +></A +></P +></DIV +><DIV +CLASS="NAVFOOTER" +><HR +ALIGN="LEFT" +WIDTH="100%"><TABLE +SUMMARY="Footer navigation table" +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +><A +HREF="sdlconvertaudio.html" +ACCESSKEY="P" +>Prev</A +></TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="index.html" +ACCESSKEY="H" +>Home</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +><A +HREF="sdllockaudio.html" +ACCESSKEY="N" +>Next</A +></TD +></TR +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +>SDL_ConvertAudio</TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="audio.html" +ACCESSKEY="U" +>Up</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +>SDL_LockAudio</TD +></TR +></TABLE +></DIV +></BODY +></HTML +>
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