Mercurial > sdl-ios-xcode
annotate include/SDL_cdrom.h @ 4085:51486c979189 SDL-1.2
> Hi Ryan,
> I checked the list you linked to, but did not see any reference to whether
> the Win32 window centering bug was fixed... Has that been addressed at all?
> I refer to the bug where, unless one has globally set the
> SDL_WINDOW_CENTERED variable in the OS, only the 1st window that is created
> will be centered. Subsequent calls to SetVideoMode will create a window tha
t
> shares the same upper-left corner location.
I'm working on that now, thanks for reporting it. What I'm doing is if the
width and height are the same, I'm leaving the window position alone, but if
they're different they will respect the positioning environment variables.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 20 Jul 2007 03:25:40 +0000 |
| parents | c71e05b4dc2e |
| children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 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 Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* This is the CD-audio control API for Simple DirectMedia Layer */ | |
| 24 | |
| 25 #ifndef _SDL_cdrom_h | |
| 26 #define _SDL_cdrom_h | |
| 27 | |
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28 #include "SDL_stdinc.h" |
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29 #include "SDL_error.h" |
| 0 | 30 |
| 31 #include "begin_code.h" | |
| 32 /* Set up for C function definitions, even when using C++ */ | |
| 33 #ifdef __cplusplus | |
| 34 extern "C" { | |
| 35 #endif | |
| 36 | |
| 37 /* In order to use these functions, SDL_Init() must have been called | |
| 38 with the SDL_INIT_CDROM flag. This causes SDL to scan the system | |
| 39 for CD-ROM drives, and load appropriate drivers. | |
| 40 */ | |
| 41 | |
| 42 /* The maximum number of CD-ROM tracks on a disk */ | |
| 43 #define SDL_MAX_TRACKS 99 | |
| 44 | |
| 45 /* The types of CD-ROM track possible */ | |
| 46 #define SDL_AUDIO_TRACK 0x00 | |
| 47 #define SDL_DATA_TRACK 0x04 | |
| 48 | |
| 49 /* The possible states which a CD-ROM drive can be in. */ | |
| 50 typedef enum { | |
| 51 CD_TRAYEMPTY, | |
| 52 CD_STOPPED, | |
| 53 CD_PLAYING, | |
| 54 CD_PAUSED, | |
| 55 CD_ERROR = -1 | |
| 56 } CDstatus; | |
| 57 | |
| 58 /* Given a status, returns true if there's a disk in the drive */ | |
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59 #define CD_INDRIVE(status) ((int)(status) > 0) |
| 0 | 60 |
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61 typedef struct SDL_CDtrack { |
| 0 | 62 Uint8 id; /* Track number */ |
| 63 Uint8 type; /* Data or audio track */ | |
| 64 Uint16 unused; | |
| 65 Uint32 length; /* Length, in frames, of this track */ | |
| 66 Uint32 offset; /* Offset, in frames, from start of disk */ | |
| 67 } SDL_CDtrack; | |
| 68 | |
| 69 /* This structure is only current as of the last call to SDL_CDStatus() */ | |
| 70 typedef struct SDL_CD { | |
| 71 int id; /* Private drive identifier */ | |
| 72 CDstatus status; /* Current drive status */ | |
| 73 | |
| 74 /* The rest of this structure is only valid if there's a CD in drive */ | |
| 75 int numtracks; /* Number of tracks on disk */ | |
| 76 int cur_track; /* Current track position */ | |
| 77 int cur_frame; /* Current frame offset within current track */ | |
| 78 SDL_CDtrack track[SDL_MAX_TRACKS+1]; | |
| 79 } SDL_CD; | |
| 80 | |
| 81 /* Conversion functions from frames to Minute/Second/Frames and vice versa */ | |
| 82 #define CD_FPS 75 | |
| 83 #define FRAMES_TO_MSF(f, M,S,F) { \ | |
| 84 int value = f; \ | |
| 85 *(F) = value%CD_FPS; \ | |
| 86 value /= CD_FPS; \ | |
| 87 *(S) = value%60; \ | |
| 88 value /= 60; \ | |
| 89 *(M) = value; \ | |
| 90 } | |
| 91 #define MSF_TO_FRAMES(M, S, F) ((M)*60*CD_FPS+(S)*CD_FPS+(F)) | |
| 92 | |
| 93 /* CD-audio API functions: */ | |
| 94 | |
| 95 /* Returns the number of CD-ROM drives on the system, or -1 if | |
| 96 SDL_Init() has not been called with the SDL_INIT_CDROM flag. | |
| 97 */ | |
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98 extern DECLSPEC int SDLCALL SDL_CDNumDrives(void); |
| 0 | 99 |
| 100 /* Returns a human-readable, system-dependent identifier for the CD-ROM. | |
| 101 Example: | |
| 102 "/dev/cdrom" | |
| 103 "E:" | |
| 104 "/dev/disk/ide/1/master" | |
| 105 */ | |
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106 extern DECLSPEC const char * SDLCALL SDL_CDName(int drive); |
| 0 | 107 |
| 108 /* Opens a CD-ROM drive for access. It returns a drive handle on success, | |
| 109 or NULL if the drive was invalid or busy. This newly opened CD-ROM | |
| 110 becomes the default CD used when other CD functions are passed a NULL | |
| 111 CD-ROM handle. | |
| 112 Drives are numbered starting with 0. Drive 0 is the system default CD-ROM. | |
| 113 */ | |
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114 extern DECLSPEC SDL_CD * SDLCALL SDL_CDOpen(int drive); |
| 0 | 115 |
| 116 /* This function returns the current status of the given drive. | |
| 117 If the drive has a CD in it, the table of contents of the CD and current | |
| 118 play position of the CD will be stored in the SDL_CD structure. | |
| 119 */ | |
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120 extern DECLSPEC CDstatus SDLCALL SDL_CDStatus(SDL_CD *cdrom); |
| 0 | 121 |
| 122 /* Play the given CD starting at 'start_track' and 'start_frame' for 'ntracks' | |
| 123 tracks and 'nframes' frames. If both 'ntrack' and 'nframe' are 0, play | |
| 124 until the end of the CD. This function will skip data tracks. | |
| 125 This function should only be called after calling SDL_CDStatus() to | |
| 126 get track information about the CD. | |
| 127 For example: | |
| 128 // Play entire CD: | |
| 129 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
| 130 SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); | |
| 131 // Play last track: | |
| 132 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { | |
| 133 SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0); | |
| 134 } | |
| 135 // Play first and second track and 10 seconds of third track: | |
| 136 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
| 137 SDL_CDPlayTracks(cdrom, 0, 0, 2, 10); | |
| 138 | |
| 139 This function returns 0, or -1 if there was an error. | |
| 140 */ | |
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141 extern DECLSPEC int SDLCALL SDL_CDPlayTracks(SDL_CD *cdrom, |
| 0 | 142 int start_track, int start_frame, int ntracks, int nframes); |
| 143 | |
| 144 /* Play the given CD starting at 'start' frame for 'length' frames. | |
| 145 It returns 0, or -1 if there was an error. | |
| 146 */ | |
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147 extern DECLSPEC int SDLCALL SDL_CDPlay(SDL_CD *cdrom, int start, int length); |
| 0 | 148 |
| 149 /* Pause play -- returns 0, or -1 on error */ | |
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150 extern DECLSPEC int SDLCALL SDL_CDPause(SDL_CD *cdrom); |
| 0 | 151 |
| 152 /* Resume play -- returns 0, or -1 on error */ | |
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153 extern DECLSPEC int SDLCALL SDL_CDResume(SDL_CD *cdrom); |
| 0 | 154 |
| 155 /* Stop play -- returns 0, or -1 on error */ | |
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156 extern DECLSPEC int SDLCALL SDL_CDStop(SDL_CD *cdrom); |
| 0 | 157 |
| 158 /* Eject CD-ROM -- returns 0, or -1 on error */ | |
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159 extern DECLSPEC int SDLCALL SDL_CDEject(SDL_CD *cdrom); |
| 0 | 160 |
| 161 /* Closes the handle for the CD-ROM drive */ | |
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162 extern DECLSPEC void SDLCALL SDL_CDClose(SDL_CD *cdrom); |
| 0 | 163 |
| 164 | |
| 165 /* Ends C function definitions when using C++ */ | |
| 166 #ifdef __cplusplus | |
| 167 } | |
| 168 #endif | |
| 169 #include "close_code.h" | |
| 170 | |
| 171 #endif /* _SDL_video_h */ |