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Fixes to xmplay DLL. still hilariously buggy

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git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@713 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
unknownfile 2009-11-12 22:12:25 +00:00
parent 342303d6d9
commit c6ab413a6d
1 changed files with 45 additions and 12 deletions
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57
xmp-vgmstream/DllMain.c
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@ -21,6 +21,7 @@
#endif
VGMSTREAM * vgmstream = NULL;
int Decoder_Is_Using_Lame_Hack = 0;
double timestamp=0;
#define DECODE_SIZE 1024
@ -49,24 +50,54 @@ int __stdcall XMP_CheckFile(char *filename, BYTE *buf, DWORD length) {
return ret;
}
// part of our hugeass hack to stop things from crashing
static INT32 valid_freqs[5] = {
11025,
22050,
32000,
44100,
48000,
};
int __stdcall LoadVgmStream(char *filename, XMPFILE file) {
int i;
vgmstream = init_vgmstream(filename);
if (!vgmstream) return 0;
// just loop forever till we have configuration done
Decoder_Is_Using_Lame_Hack = 0;
for (i = 0; i < 5; i ++) {
if (vgmstream->sample_rate == valid_freqs[i]) {
Decoder_Is_Using_Lame_Hack = 1;
break;
}
}
return 1;
}
int __stdcall XMP_Buffer(float* buffer, UINT32 bufsize) {
int i;
int i,x,y;
int adder = vgmstream->channels * (Decoder_Is_Using_Lame_Hack ? 2 : 1);
// Quick way of converting to float
for (i=0;i<bufsize;i+=vgmstream->channels) {
/*
** Algorithm for correct playback.
** This is in fact a huge-ass hack which is terrible and crashes tracks with sample rates
** it doesn't like. We'll need to fix this later
*/
for (i=0;i<bufsize;i+=adder) {
INT16 buf[16];
memset(buf,0,16 * 2);
render_vgmstream(buf,vgmstream->channels,vgmstream);
*(buffer + i) = buf[0];
if (vgmstream->channels == 2) *(buffer + i + 1) = buf[1];
for (x=0;x<adder;x++) {
for (y=0;y<(Decoder_Is_Using_Lame_Hack ? 2 : 1);y++)
*(buffer + i + x + y) = (float)(buf[x]) / 22050; // This divide is required, audio is REALLY LOUD otherwise
}
}
return bufsize;
@ -74,15 +105,17 @@ int __stdcall XMP_Buffer(float* buffer, UINT32 bufsize) {
DWORD __stdcall XMP_GetFormat(DWORD *chan, DWORD *res) {
*(chan) = vgmstream->channels;
return vgmstream->sample_rate / 2;
if (Decoder_Is_Using_Lame_Hack) return vgmstream->sample_rate;
else return vgmstream->sample_rate / 2;
}
void __stdcall FormatPlayWindowText(char* txt) {
strcpy(txt,"vgmstream!");
void __stdcall XMP_GetInfoText(char* txt, char* length) {
sprintf(txt,"vgmstream!");
}
void __stdcall GetAdditionalFields(char* blerp) {
strcpy(blerp,"oh god how did this get here i am not good with computers\n");
sprintf(blerp,"oh god how did this get here i am not good with computers\n");
}
@ -118,7 +151,7 @@ TRAP_FCN(20);
TRAP_FCN(21);
TRAP_FCN(22);
int __stdcall Call22() {
int __stdcall XMP_GetSubSongs() {
return 1; //
}
@ -135,7 +168,7 @@ XMPIN vgmstream_intf = {
XMP_GetFormat,
NULL,
NULL,
FormatPlayWindowText,
XMP_GetInfoText,
GetAdditionalFields,
NULL,
NULL,
@ -144,7 +177,7 @@ XMPIN vgmstream_intf = {
XMP_Buffer,
NULL,
NULL,
Call22,
XMP_GetSubSongs,
};