138 lines
2.7 KiB
C++
138 lines
2.7 KiB
C++
#include <stdio.h>
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#include "types.h"
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#include "fceu.h"
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#include "driver.h"
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#include "sound.h"
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#include "wave.h"
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static FILE *soundlog=0;
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static long wsize;
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/* Checking whether the file exists before wiping it out is left up to the
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reader..err...I mean, the driver code, if it feels so inclined(I don't feel
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so).
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*/
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void FCEU_WriteWaveData(int32 *Buffer, int Count)
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{
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//mbg merge 7/17/06 changed to alloca
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//int16 temp[Count]; /* Yay. Is this the first use of this "feature" of C in FCE Ultra? */
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int16 *temp = (int16*)alloca(Count*2);
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int16 *dest;
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int x;
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#ifndef WIN32
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if(!soundlog) return;
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#else
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if(!soundlog && !FCEUI_AviIsRecording()) return;
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#endif
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dest=temp;
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x=Count;
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//mbg 7/28/06 - we appear to be guaranteeing little endian
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while(x--)
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{
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int16 tmp=*Buffer;
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*(uint8 *)dest=(((uint16)tmp)&255);
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*(((uint8 *)dest)+1)=(((uint16)tmp)>>8);
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dest++;
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Buffer++;
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}
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if(soundlog)
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wsize+=fwrite(temp,1,Count*sizeof(int16),soundlog);
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#ifdef WIN32
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if(FCEUI_AviIsRecording())
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{
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extern int bittage;
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if(!bittage)
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{
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//mbg merge 7/17/06 changed to alloca
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//int8 temp2[Count];
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int8 *temp2 = (int8*)alloca(Count);
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int P;
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for(P=0;P<Count;P++)
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*(((uint8*)temp2)+P)=((int8)(temp[P]>>8))^128;
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FCEUI_AviSoundUpdate((void*)temp2, Count);
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}
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else
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FCEUI_AviSoundUpdate((void*)temp, Count);
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}
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#endif
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}
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int FCEUI_EndWaveRecord(void)
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{
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long s;
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if(!soundlog) return 0;
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s=ftell(soundlog)-8;
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fseek(soundlog,4,SEEK_SET);
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fputc(s&0xFF,soundlog);
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fputc((s>>8)&0xFF,soundlog);
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fputc((s>>16)&0xFF,soundlog);
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fputc((s>>24)&0xFF,soundlog);
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fseek(soundlog,0x28,SEEK_SET);
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s=wsize;
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fputc(s&0xFF,soundlog);
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fputc((s>>8)&0xFF,soundlog);
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fputc((s>>16)&0xFF,soundlog);
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fputc((s>>24)&0xFF,soundlog);
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fclose(soundlog);
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soundlog=0;
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return 1;
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}
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int FCEUI_BeginWaveRecord(char *fn)
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{
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int r;
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if(!(soundlog=FCEUD_UTF8fopen(fn,"wb")))
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return 0;
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wsize=0;
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/* Write the header. */
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fputs("RIFF",soundlog);
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fseek(soundlog,4,SEEK_CUR); // Skip size
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fputs("WAVEfmt ",soundlog);
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fputc(0x10,soundlog);
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fputc(0,soundlog);
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fputc(0,soundlog);
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fputc(0,soundlog);
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fputc(1,soundlog); // PCM
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fputc(0,soundlog);
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fputc(1,soundlog); // Monophonic
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fputc(0,soundlog);
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r=FSettings.SndRate;
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fputc(r&0xFF,soundlog);
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fputc((r>>8)&0xFF,soundlog);
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fputc((r>>16)&0xFF,soundlog);
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fputc((r>>24)&0xFF,soundlog);
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r<<=1;
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fputc(r&0xFF,soundlog);
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fputc((r>>8)&0xFF,soundlog);
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fputc((r>>16)&0xFF,soundlog);
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fputc((r>>24)&0xFF,soundlog);
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fputc(2,soundlog);
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fputc(0,soundlog);
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fputc(16,soundlog);
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fputc(0,soundlog);
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fputs("data",soundlog);
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fseek(soundlog,4,SEEK_CUR);
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return(1);
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}
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