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revert sdl changes, part 2 (final)
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4565 8ced0084-cf51-0410-be5f-012b33b47a6e
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Shawn Hoffman
186
Externals/SDL/Include/SDL_cdrom.h
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186
Externals/SDL/Include/SDL_cdrom.h
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/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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/**
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* \file SDL_cdrom.h
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*
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* This is the CD-audio control API for Simple DirectMedia Layer
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*/
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#ifndef _SDL_cdrom_h
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#define _SDL_cdrom_h
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#include "SDL_stdinc.h"
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#include "SDL_error.h"
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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extern "C" {
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/* *INDENT-ON* */
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#endif
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/* In order to use these functions, SDL_Init() must have been called
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with the SDL_INIT_CDROM flag. This causes SDL to scan the system
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for CD-ROM drives, and load appropriate drivers.
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*/
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/* The maximum number of CD-ROM tracks on a disk */
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#define SDL_MAX_TRACKS 99
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/* The types of CD-ROM track possible */
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#define SDL_AUDIO_TRACK 0x00
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#define SDL_DATA_TRACK 0x04
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/* The possible states which a CD-ROM drive can be in. */
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typedef enum
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{
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CD_TRAYEMPTY,
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CD_STOPPED,
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CD_PLAYING,
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CD_PAUSED,
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CD_ERROR = -1
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} CDstatus;
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/* Given a status, returns true if there's a disk in the drive */
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#define CD_INDRIVE(status) ((int)(status) > 0)
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typedef struct SDL_CDtrack
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{
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Uint8 id; /* Track number */
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Uint8 type; /* Data or audio track */
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Uint16 unused;
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Uint32 length; /* Length, in frames, of this track */
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Uint32 offset; /* Offset, in frames, from start of disk */
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} SDL_CDtrack;
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/* This structure is only current as of the last call to SDL_CDStatus() */
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typedef struct SDL_CD
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{
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int id; /* Private drive identifier */
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CDstatus status; /* Current drive status */
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/* The rest of this structure is only valid if there's a CD in drive */
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int numtracks; /* Number of tracks on disk */
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int cur_track; /* Current track position */
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int cur_frame; /* Current frame offset within current track */
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SDL_CDtrack track[SDL_MAX_TRACKS + 1];
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} SDL_CD;
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/* Conversion functions from frames to Minute/Second/Frames and vice versa */
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#define CD_FPS 75
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#define FRAMES_TO_MSF(f, M,S,F) { \
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int value = f; \
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*(F) = value%CD_FPS; \
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value /= CD_FPS; \
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*(S) = value%60; \
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value /= 60; \
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*(M) = value; \
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}
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#define MSF_TO_FRAMES(M, S, F) ((M)*60*CD_FPS+(S)*CD_FPS+(F))
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/* CD-audio API functions: */
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/* Returns the number of CD-ROM drives on the system, or -1 if
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SDL_Init() has not been called with the SDL_INIT_CDROM flag.
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*/
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extern DECLSPEC int SDLCALL SDL_CDNumDrives(void);
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/* Returns a human-readable, system-dependent identifier for the CD-ROM.
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Example:
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"/dev/cdrom"
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"E:"
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"/dev/disk/ide/1/master"
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*/
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extern DECLSPEC const char *SDLCALL SDL_CDName(int drive);
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/* Opens a CD-ROM drive for access. It returns a drive handle on success,
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or NULL if the drive was invalid or busy. This newly opened CD-ROM
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becomes the default CD used when other CD functions are passed a NULL
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CD-ROM handle.
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Drives are numbered starting with 0. Drive 0 is the system default CD-ROM.
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*/
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extern DECLSPEC SDL_CD *SDLCALL SDL_CDOpen(int drive);
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/* This function returns the current status of the given drive.
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If the drive has a CD in it, the table of contents of the CD and current
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play position of the CD will be stored in the SDL_CD structure.
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*/
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extern DECLSPEC CDstatus SDLCALL SDL_CDStatus(SDL_CD * cdrom);
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/* Play the given CD starting at 'start_track' and 'start_frame' for 'ntracks'
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tracks and 'nframes' frames. If both 'ntrack' and 'nframe' are 0, play
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until the end of the CD. This function will skip data tracks.
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This function should only be called after calling SDL_CDStatus() to
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get track information about the CD.
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For example:
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// Play entire CD:
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if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
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SDL_CDPlayTracks(cdrom, 0, 0, 0, 0);
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// Play last track:
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if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
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SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0);
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}
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// Play first and second track and 10 seconds of third track:
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if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
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SDL_CDPlayTracks(cdrom, 0, 0, 2, 10);
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This function returns 0, or -1 if there was an error.
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*/
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extern DECLSPEC int SDLCALL SDL_CDPlayTracks(SDL_CD * cdrom,
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int start_track,
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int start_frame, int ntracks,
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int nframes);
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/* Play the given CD starting at 'start' frame for 'length' frames.
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It returns 0, or -1 if there was an error.
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*/
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extern DECLSPEC int SDLCALL SDL_CDPlay(SDL_CD * cdrom, int start, int length);
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/* Pause play -- returns 0, or -1 on error */
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extern DECLSPEC int SDLCALL SDL_CDPause(SDL_CD * cdrom);
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/* Resume play -- returns 0, or -1 on error */
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extern DECLSPEC int SDLCALL SDL_CDResume(SDL_CD * cdrom);
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/* Stop play -- returns 0, or -1 on error */
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extern DECLSPEC int SDLCALL SDL_CDStop(SDL_CD * cdrom);
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/* Eject CD-ROM -- returns 0, or -1 on error */
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extern DECLSPEC int SDLCALL SDL_CDEject(SDL_CD * cdrom);
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/* Closes the handle for the CD-ROM drive */
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extern DECLSPEC void SDLCALL SDL_CDClose(SDL_CD * cdrom);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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}
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/* *INDENT-ON* */
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#endif
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#include "close_code.h"
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#endif /* _SDL_video_h */
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/* vi: set ts=4 sw=4 expandtab: */
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