git.mutantstargoat.com Git - dosdemo/blob - libs/oldmik/src/drv_raw.c

   1 /*
   2
   3 Name:
   4 DRV_RAW.C
   5
   6 Description:
   7 Mikmod driver for output to a file called MUSIC.RAW
   8
   9 !! DO NOT CALL MD_UPDATE FROM A INTERRUPT IF YOU USE THIS DRIVER !!
  10
  11 Portability:
  12
  13 MSDOS:  BC(y)   Watcom(y)       DJGPP(y)
  14 Win95:  BC(y)
  15 Linux:  y
  16
  17 (y) - yes
  18 (n) - no (not possible or not useful)
  19 (?) - may be possible, but not tested
  20
  21 */
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24
  25 #include "mikmod.h"
  26
  27 #define RAWBUFFERSIZE 8192
  28
  29 static FILE *rawout;
  30
  31 static char RAW_DMABUF[RAWBUFFERSIZE];
  32
  33
  34 static BOOL RAW_IsThere(void)
  35 {
  36         return 1;
  37 }
  38
  39
  40 static BOOL RAW_Init(void)
  41 {
  42         if(!(rawout=fopen("music.raw","wb"))){
  43                 myerr="Couldn't open output file 'music.raw'";
  44                 return 0;
  45         }
  46
  47         if(!VC_Init()){
  48                 fclose(rawout);
  49                 return 0;
  50         }
  51
  52         return 1;
  53 }
  54
  55
  56
  57 static void RAW_Exit(void)
  58 {
  59         VC_Exit();
  60         fclose(rawout);
  61 }
  62
  63
  64 static void RAW_Update(void)
  65 {
  66         VC_WriteBytes(RAW_DMABUF,RAWBUFFERSIZE);
  67         fwrite(RAW_DMABUF,RAWBUFFERSIZE,1,rawout);
  68 }
  69
  70
  71 DRIVER drv_raw={
  72         NULL,
  73         "music.raw file",
  74         "MikMod music.raw file output driver v1.0",
  75         RAW_IsThere,
  76         VC_SampleLoad,
  77         VC_SampleUnload,
  78         RAW_Init,
  79         RAW_Exit,
  80         VC_PlayStart,
  81         VC_PlayStop,
  82         RAW_Update,
  83         VC_VoiceSetVolume,
  84         VC_VoiceSetFrequency,
  85         VC_VoiceSetPanning,
  86         VC_VoicePlay
  87 };