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Date: Thu, 16 Jan 2003 13:48:31 +0200 From: "Mike Gorchak" added help and options -mono to force monochrome RGB2YUB conversion and -lum <percent> - luminance of image during conversion. Also rewritten code which moves overlay into window. Now it depends on window size. Also fully rewritten -scale option, image now scaling from 50% from center of screen until border of window is reached - it really tests scaler, old -scale test doesn't test downscale.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 20 Jan 2003 01:36:28 +0000
parents e5bc29de3f0a
children 355632dca928
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<HTML
><HEAD
><TITLE
>SDL_PauseAudio</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.64
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
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><HR
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><H1
><A
NAME="SDLPAUSEAUDIO"
>SDL_PauseAudio</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN6377"
></A
><H2
>Name</H2
>SDL_PauseAudio&nbsp;--&nbsp;Pauses and unpauses the audio callback processing</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN6380"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN6381"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void <B
CLASS="FSFUNC"
>SDL_PauseAudio</B
></CODE
>(int pause_on);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN6387"
></A
><H2
>Description</H2
><P
>This function pauses and unpauses the audio callback processing.
It should be called with <TT
CLASS="PARAMETER"
><I
>pause_on</I
></TT
>=0 after opening the audio
device to start playing sound.  This is so you can safely initialize
data for your callback function after opening the audio device.
Silence will be written to the audio device during the pause.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN6391"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlgetaudiostatus.html"
><TT
CLASS="FUNCTION"
>SDL_GetAudioStatus</TT
></A
>,
<A
HREF="sdlopenaudio.html"
><TT
CLASS="FUNCTION"
>SDL_OpenAudio</TT
></A
></P
></DIV
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>Prev</A
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>Home</A
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>Next</A
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>SDL_OpenAudio</TD
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>SDL_GetAudioStatus</TD
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>