Mercurial > sdl-ios-xcode

annotate src/audio/bsd/SDL_bsdaudio.h @ 1675:d33dcfc3fde7 SDL-1.3

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Overlay functions are being replaced by YUV textures. If the driver doesn't support YUV textures, they can be emulated by backing the texture with an RGB texture and using the software conversion routines. Note that it doesn't make sense to lock a portion of a YV12 texture, since you'd need to return three pixel pointers and pitch values instead of the one that's available through the API. I'm guessing that's one of the reasons DirectX 9 doesn't support this format at all.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 11 Jun 2006 07:30:16 +0000
parents 782fd950bd46
children 5f6550e5184f
rev   line source
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12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef _SDL_openbsdaudio_h
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25 #define _SDL_openbsdaudio_h
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26
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27 #include "../SDL_sysaudio.h"
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28
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29 #define _THIS SDL_AudioDevice *this
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30
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31 struct SDL_PrivateAudioData
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32 {
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33 /* The file descriptor for the audio device */
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34 int audio_fd;
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35
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36 /* The parent process id, to detect when application quits */
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37 pid_t parent;
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38
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39 /* Raw mixing buffer */
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40 Uint8 *mixbuf;
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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41 int mixlen;
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42
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43 /* Support for audio timing using a timer, in addition to select() */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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44 float frame_ticks;
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45 float next_frame;
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46 };
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47
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48 #define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */
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49
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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50 /* Old variable names */
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51 #define audio_fd (this->hidden->audio_fd)
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52 #define parent (this->hidden->parent)
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53 #define mixbuf (this->hidden->mixbuf)
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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54 #define mixlen (this->hidden->mixlen)
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55 #define frame_ticks (this->hidden->frame_ticks)
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56 #define next_frame (this->hidden->next_frame)
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57
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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58 #endif /* _SDL_openbsdaudio_h */
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59 /* vi: set ts=4 sw=4 expandtab: */