SDL_CDResume – Resumes a CDROM Synopsis #include "SDL.h" int SDL_CDResume(SDL_CD *cdrom); Description Resumes play on the given cdrom. Return Value Returns 0 on success, or -1 on an error. See Also SDL_CDPlay, SDL_CDPause
SDL_CDPlayTracks – Play the given CD track(s) Synopsis #include "SDL.h" int SDL_CDPlayTracks(SDL_CD *cdrom, int start_track, int start_frame, int ntracks, int nframes)); Description SDL_CDPlayTracks plays the given CD starting at track start_track, for ntracks tracks. start_frame is the frame offset, from the beginning of the start_track, at which to start. nframes is the frame offset, from…
SDL_CDPlay – Play a CD Synopsis #include "SDL.h" int SDL_CDPlay(SDL_CD *cdrom, int start, int length); Description Plays the given cdrom, starting a frame start for length frames. Return Values Returns 0 on success, or -1 on an error. See Also SDL_CDPlayTracks, SDL_CDStop
SDL_CDPause – Pauses a CDROM Synopsis #include "SDL.h" int SDL_CDPause(SDL_CD *cdrom); Description Pauses play on the given cdrom. Return Value Returns 0 on success, or -1 on an error. See Also SDL_CDPlay, SDL_CDResume
SDL_CDOpen – Opens a CD-ROM drive for access. Synopsis #include "SDL.h" SDL_CD *SDL_CDOpen(int drive); Description Opens a CD-ROM drive for access. It returns a SDL_CD structure on success, or NULL if the drive was invalid or busy. This newly opened CD-ROM becomes the default CD used when other CD functions are passed a NULL CD-ROM…
SDL_CDNumDrives – Returns the number of CD-ROM drives on the system. Synopsis #include "SDL.h" int SDL_CDNumDrives(void) Description Returns the number of CD-ROM drives on the system. See Also SDL_CDOpen
SDL_CDName – Returns a human-readable, system-dependent identifier for the CD-ROM. Synopsis #include "SDL.h" const char *SDL_CDName(int drive); Description Returns a human-readable, system-dependent identifier for the CD-ROM. drive is the index of the drive. Drive indices start to 0 and end at SDL_CDNumDrives()-1. Examples • "/dev/cdrom" • "E:" • "/dev/disk/ide/1/master" See Also SDL_CDNumDrives
SDL_CDEject – Ejects a CDROM Synopsis #include "SDL.h" int SDL_CDEject(SDL_CD *cdrom); Description Ejects the given cdrom. Return Value Returns 0 on success, or -1 on an error. See Also SDL_CD
SDL_CDClose – Closes a SDL_CD handle Synopsis #include "SDL.h" void SDL_CDClose(SDL_CD *cdrom); Description Closes the given cdrom handle. See Also SDL_CDOpen, SDL_CD
SDL_CD – CDROM Drive Information Structure Definition typedef struct{ int id; CDstatus status; int numtracks; int cur_track; int cur_frame; SDL_CDtrack track[SDL_MAX_TRACKS+1]; } SDL_CD; Structure Data id Private drive identifier status Drive status numtracks Number of tracks on the CD cur_track Current track cur_frame Current frame offset within the track track[SDL_MAX_TRACKS+1] Array of track descriptions. (see…
SDL_BuildAudioCVT – Initializes a SDL_AudioCVT structure for conversion Synopsis #include "SDL.h" int SDL_BuildAudioCVT(SDL_AudioCVT *cvt, Uint16 src_format, Uint8 src_channels, int src_rate, Uint16 dst_format, Uint8 dst_channels, int dst_rate); Description Before an SDL_AudioCVT structure can be used to convert audio data it must be initialized with source and destination information. src_format and dst_format are the source and destination…
SDL_BlitSurface – This performs a fast blit from the source surface to the destination surface. Synopsis #include "SDL.h" int SDL_BlitSurface(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect); Description This performs a fast blit from the source surface to the destination surface. Only the position is used in the dstrect (the width and height are ignored)….
SDL_AudioSpec – Audio Specification Structure Structure Definition typedef struct{ int freq; Uint16 format; Uint8 channels; Uint8 silence; Uint16 samples; Uint32 size; void (*callback)(void *userdata, Uint8 *stream, int len); void *userdata; } SDL_AudioSpec; Structure Data freq Audio frequency in samples per second format Audio data format channels Number of channels: 1 mono, 2 stereo silence Audio…
SDL_AudioCVT – Audio Conversion Structure Structure Definition typedef struct{ int needed; Uint16 src_format; Uint16 dest_format; double rate_incr; Uint8 *buf; int len; int len_cvt; int len_mult; double len_ratio; void (*filters[10])(struct SDL_AudioCVT *cvt, Uint16 format); int filter_index; } SDL_AudioCVT; Structure Data needed Set to one if the conversion is possible src_format Audio format of the source dest_format…
NAME scsum1.f – SYNOPSIS Functions/Subroutines REAL function scsum1 (N, CX, INCX) SCSUM1 forms the 1-norm of the complex vector using the true absolute value. Function/Subroutine Documentation REAL function scsum1 (integerN, complex, dimension( * )CX, integerINCX) SCSUM1 forms the 1-norm of the complex vector using the true absolute value. Purpose: SCSUM1 takes the sum of the…
SCREEN_W, SCREEN_H – Global define to obtain the size of the screen. Allegro game programming library. Synopsis #include <allegro.h> #define SCREEN_W; #define SCREEN_H; Description Global defines that return the width and height of the screen, or zero if the screen has not been initialised yet. Example: char buf[100]; … uszprintf(buf, sizeof(buf), "The screen size is…
SCREEN_W, SCREEN_H – Global define to obtain the size of the screen. Allegro game programming library. Synopsis #include <allegro.h> #define SCREEN_W; #define SCREEN_H; Description Global defines that return the width and height of the screen, or zero if the screen has not been initialised yet. Example: char buf[100]; … uszprintf(buf, sizeof(buf), "The screen size is…
NAME scopy.f – SYNOPSIS Functions/Subroutines subroutine scopy (N, SX, INCX, SY, INCY) SCOPY Function/Subroutine Documentation subroutine scopy (integerN, real, dimension(*)SX, integerINCX, real, dimension(*)SY, integerINCY) SCOPY Purpose: SCOPY copies a vector, x, to a vector, y. uses unrolled loops for increments equal to 1. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado…
NAME scnrm2.f – SYNOPSIS Functions/Subroutines REAL function scnrm2 (N, X, INCX) SCNRM2 Function/Subroutine Documentation REAL function scnrm2 (integerN, complex, dimension(*)X, integerINCX) SCNRM2 Purpose: SCNRM2 returns the euclidean norm of a vector via the function name, so that SCNRM2 := sqrt( x**H*x ) Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver…
NAME scasum.f – SYNOPSIS Functions/Subroutines REAL function scasum (N, CX, INCX) SCASUM Function/Subroutine Documentation REAL function scasum (integerN, complex, dimension(*)CX, integerINCX) SCASUM Purpose: SCASUM takes the sum of the absolute values of a complex vector and returns a single precision result. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG…