diff playercode/drv_wav_v2.c @ 9:990c9dadb348

Initial revision
author darius
date Fri, 23 Jan 1998 16:05:10 +0000
parents
children 437e8455d862
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/playercode/drv_wav_v2.c	Fri Jan 23 16:05:10 1998 +0000
@@ -0,0 +1,116 @@
+
+#include "mikmod.h"
+
+#ifdef __GNUC__
+#include <sys/types.h>
+#else
+#include <io.h>
+#endif
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define WAVBUFFERSIZE 65536
+
+static FILE *wavout;
+
+static SBYTE *WAV_DMABUF;
+static ULONG dumpsize;
+
+static BOOL WAV_IsThere(void)
+{
+    return 1;
+}
+
+
+static BOOL WAV_Init(void)
+{
+    if(NULL == (wavout = fopen("music.wav", "wb"))) return 1;
+    if(NULL == (WAV_DMABUF = _mm_malloc(WAVBUFFERSIZE))) return 1;
+
+    md_mode |= DMODE_SOFT_MUSIC | DMODE_SOFT_SNDFX;
+
+    if(VC2_Init()) return 1;
+    
+    _mm_write_string("RIFF    WAVEfmt ",wavout);
+    _mm_write_I_ULONG(16,wavout);     // length of this RIFF block crap
+
+    _mm_write_I_UWORD(1, wavout);    // microsoft format type
+    _mm_write_I_UWORD((md_mode & DMODE_STEREO) ? 2 : 1, wavout);
+    _mm_write_I_ULONG(md_mixfreq, wavout);
+    _mm_write_I_ULONG(md_mixfreq * ((md_mode & DMODE_STEREO) ? 2 : 1) *
+                      ((md_mode & DMODE_16BITS) ? 2 : 1), wavout);
+
+    _mm_write_I_UWORD(((md_mode & DMODE_16BITS) ? 2 : 1) * 
+                      ((md_mode & DMODE_STEREO) ? 2 : 1), wavout);    // block alignment (8/16 bit)
+
+    _mm_write_I_UWORD((md_mode & DMODE_16BITS) ? 16 : 8,wavout);
+
+    _mm_write_string("data",wavout);
+
+    dumpsize = 0;
+
+    return 0;
+}
+
+
+static void WAV_Exit(void)
+{
+    VC2_Exit();
+
+    // write in the actual sizes now
+
+    if(wavout!=NULL)
+    {   _mm_fseek(wavout,4,SEEK_SET);
+        _mm_write_I_ULONG(dumpsize + 32, wavout);
+        _mm_fseek(wavout,40,SEEK_SET);
+        _mm_write_I_ULONG(dumpsize, wavout);
+
+        fclose(wavout);
+
+        if(WAV_DMABUF != NULL) free(WAV_DMABUF);
+    }
+}
+
+
+static void WAV_Update(void)
+{
+    VC2_WriteBytes(WAV_DMABUF, WAVBUFFERSIZE);
+    fwrite(WAV_DMABUF, 1, WAVBUFFERSIZE, wavout);
+    dumpsize += WAVBUFFERSIZE;
+}
+
+
+static BOOL WAV_Reset(void)
+{
+    return 0;
+}
+
+
+MDRIVER drv_wav =
+{   NULL,
+    "music.wav file",
+    "WAV [music.wav] file output driver v1.0",
+    0,255,
+    WAV_IsThere,
+    VC2_SampleLoad,
+    VC2_SampleUnload,
+    VC2_SampleSpace,
+    VC2_SampleLength,
+    WAV_Init,
+    WAV_Exit,
+    WAV_Reset,
+    VC2_SetNumVoices,
+    VC2_PlayStart,
+    VC2_PlayStop,
+    WAV_Update,
+    VC2_VoiceSetVolume,
+    VC2_VoiceSetFrequency,
+    VC2_VoiceSetPanning,
+    VC2_VoicePlay,
+    VC2_VoiceStop,
+    VC2_VoiceStopped,
+    VC2_VoiceReleaseSustain,
+    VC2_VoiceGetPosition,
+    NULL
+};
+