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Fixed SDL 1.2 compatibility problem. The API specifies that SDL_OpenAudio() will fill out the 'desired' audio spec with the correct samples and size set by the driver. This value is important since it may be used by applications that size audio buffers, etc. However, we want to allow advanced applications to call SDL_OpenAudioDevice() which gets passed a const 'desired' parameter, and have the correct data filled into the 'obtained' parameter, possibly allowing or not allowing format changes. So... 'obtained' becomes the audio format the user callback is expected to use, and we add flags to allow the application to specify which format changes are allowed. Note: We really need to add a way to query the 'obtained' audio spec.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 13 Dec 2008 06:36:47 +0000
parents 355632dca928
children
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<HTML
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><TITLE
>SDL_QuitSubSystem</TITLE
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><H1
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>SDL_QuitSubSystem</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN550"
></A
><H2
>Name</H2
>SDL_QuitSubSystem&nbsp;--&nbsp;Shut down a subsystem</DIV
><DIV
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><A
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></A
><H2
>Synopsis</H2
><DIV
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><A
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></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void <B
CLASS="FSFUNC"
>SDL_QuitSubSystem</B
></CODE
>(Uint32 flags);</CODE
></P
><P
></P
></DIV
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><DIV
CLASS="REFSECT1"
><A
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></A
><H2
>Description</H2
><P
><TT
CLASS="FUNCTION"
>SDL_QuitSubSystem</TT
> allows you to shut down a subsystem that has been previously initialized by <A
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><TT
CLASS="FUNCTION"
>SDL_Init</TT
></A
> or <A
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><TT
CLASS="FUNCTION"
>SDL_InitSubSystem</TT
></A
>. The <TT
CLASS="PARAMETER"
><I
>flags</I
></TT
> tells <TT
CLASS="FUNCTION"
>SDL_QuitSubSystem</TT
> which subsystems to shut down, it uses the same values that are passed to <A
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><TT
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>SDL_Init</TT
></A
>.</P
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>SDL_Quit</TT
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>,
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>SDL_Init</TT
></A
>,
<A
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><TT
CLASS="FUNCTION"
>SDL_InitSubSystem</TT
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