Changes for 1 global capture directory
Support for capturing raw midi Support for capturing raw opl Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1864
This commit is contained in:
Sjoerd van der Berg
parent
b1cebeed4e
commit
dc6e126a71
2 changed files with 151 additions and 39 deletions
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@ -19,16 +19,23 @@
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include "dosbox.h"
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#include "inout.h"
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#include "mixer.h"
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#include "pic.h"
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#include "hardware.h"
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#include "setup.h"
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#include "mapper.h"
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#include "mem.h"
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/*
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Thanks to vdmsound for nice simple way to implement this
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*/
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# define logerror
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#define logerror
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#ifdef _MSC_VER
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/* Disable recurring warnings */
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@ -75,12 +82,24 @@ namespace THEOPL3 {
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#define OPL2_INTERNAL_FREQ 3600000 // The OPL2 operates at 3.6MHz
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#define OPL3_INTERNAL_FREQ 14400000 // The OPL3 operates at 14.4MHz
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#define RAW_SIZE 1024
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static struct {
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bool active;
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OPL_Mode mode;
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MIXER_Channel * chan;
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Bit32u last_used;
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Bit16s mixbuf[2][128];
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struct {
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FILE * handle;
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Bit32u start;
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Bit32u last;
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Bit8u index;
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Bit8u buffer[RAW_SIZE+8];
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Bit8u regs[2][256];
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Bit32u used;
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Bit32u done;
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Bit8u cmd[2];
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} raw;
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} opl;
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static void OPL_CallBack(Bit8u *stream, Bit32u len) {
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@ -104,7 +123,6 @@ static void OPL_CallBack(Bit8u *stream, Bit32u len) {
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((Bit16u *)stream)[i*2+1]=opl.mixbuf[1][i];
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}
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break;
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}
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if ((PIC_Ticks-opl.last_used)>5000) {
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MIXER_Enable(opl.chan,false);
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@ -125,27 +143,147 @@ static Bitu OPL_Read(Bitu port,Bitu iolen) {
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return 0xff;
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}
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static void OPL_RawAdd(Bitu index,Bitu val);
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void OPL_Write(Bitu port,Bitu val,Bitu iolen) {
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opl.last_used=PIC_Ticks;
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if (!opl.active) {
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opl.active=true;
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MIXER_Enable(opl.chan,true);
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}
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Bitu addr=port & 3;
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if (!addr) adlib_commandreg=val;
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port&=3;
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if (port&1) {
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Bitu index=port>>1;
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opl.raw.regs[index][opl.raw.cmd[index]]=val;
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if (opl.raw.handle) OPL_RawAdd(index,val);
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} else opl.raw.cmd[port>>1]=val;
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if (!port) adlib_commandreg=val;
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switch (opl.mode) {
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case OPL_opl2:
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OPL2::YM3812Write(0,addr,val);
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OPL2::YM3812Write(0,port,val);
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break;
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case OPL_opl3:
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THEOPL3::YMF262Write(0,addr,val);
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THEOPL3::YMF262Write(0,port,val);
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break;
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case OPL_dualopl2:
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OPL2::YM3812Write(addr>>1,addr,val);
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OPL2::YM3812Write(port>>1,port,val);
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break;
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}
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}
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static Bit8u dro_header[]={
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'D','B','R','A', /* Bit32u ID */
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'W','O','P','L', /* Bit32u ID */
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0x0,0x0,0x0,0x0, /* Bit32u total milliseconds */
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0x0,0x0,0x0,0x0, /* Bit32u total data */
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0x0, /* Type 0=opl2,1=opl3,2=dual-opl2 */
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};
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/* Commands
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0x00 Bit8u, millisecond delay+1
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0x01 Bit16u, millisecond delay+1
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0x02 none, Use the low index/data pair
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0x03 none, Use the high index/data pair
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0xxx Bit8u, send command and data to current index/data pair
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*/
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static void OPL_RawEmptyBuffer(void) {
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fwrite(opl.raw.buffer,1,opl.raw.used,opl.raw.handle);
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opl.raw.done+=opl.raw.used;
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opl.raw.used=0;
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}
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#define ADDBUF(_VAL_) opl.raw.buffer[opl.raw.used++]=_VAL_;
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static void OPL_RawAdd(Bitu index,Bitu val) {
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/* Check if we have yet to start */
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if (!opl.raw.start) {
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Bitu i;
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opl.raw.last=PIC_Ticks;
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opl.raw.start=PIC_Ticks;
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/* Check the registers to add */
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for (i=4;i<256;i++) {
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if (!opl.raw.regs[0][i]) continue;
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if ((i &0xe0)==0xb0) continue;
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ADDBUF((Bit8u)i);
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ADDBUF(opl.raw.regs[0][i]);
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}
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bool donesecond=false;
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for (i=4;i<256;i++) {
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if (!opl.raw.regs[0][i]) continue;
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if ((i&0xe0)==0xb0) continue;
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if (!donesecond) {
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donesecond=true;
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ADDBUF(0x3);
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}
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ADDBUF((Bit8u)i);
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ADDBUF(opl.raw.regs[0][i]);
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}
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if (donesecond) ADDBUF(0x2);
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}
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/* Check how much time has passed, Allow an extra 5 milliseconds? */
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if (PIC_Ticks>(opl.raw.last+5)) {
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Bitu passed=PIC_Ticks-opl.raw.last;
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opl.raw.last=PIC_Ticks;
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while (passed) {
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passed-=1;
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if (passed<256) {
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ADDBUF(0x00); //8bit delay
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ADDBUF((Bit8u)passed); //8bit delay
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passed=0;
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} else if (passed<0x10000) {
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ADDBUF(0x01); //16bit delay
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ADDBUF((Bit8u)(passed & 0xff)); //lo-byte
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ADDBUF((Bit8u)(passed >> 8)); //hi-byte
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passed=0;
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} else {
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ADDBUF(0x01); //16bit delay
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ADDBUF(0xff); //lo-byte
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ADDBUF(0xff); //hi-byte
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passed-=0xffff;
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}
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}
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}
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/* Check if we're still sending to the correct index */
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if (opl.raw.index != index) {
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opl.raw.index=index;
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ADDBUF(opl.raw.index ? 0x3 : 0x2);
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}
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ADDBUF(opl.raw.cmd[opl.raw.index]);
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ADDBUF(val);
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if (opl.raw.used>=RAW_SIZE) OPL_RawEmptyBuffer();
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}
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static void OPL_SaveRawEvent(void) {
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/* Check for previously opened wave file */
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if (opl.raw.handle) {
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LOG_MSG("Stopping Raw OPL capturing.");
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OPL_RawEmptyBuffer();
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/* Fill in the header with useful information */
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host_writed(&dro_header[0x08],opl.raw.last-opl.raw.start);
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host_writed(&dro_header[0x0c],opl.raw.done);
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switch (opl.mode) {
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case OPL_opl2:host_writeb(&dro_header[0x10],0x0);break;
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case OPL_opl3:host_writeb(&dro_header[0x10],0x1);break;
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case OPL_dualopl2:host_writeb(&dro_header[0x10],0x2);break;
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}
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fseek(opl.raw.handle,0,0);
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fwrite(dro_header,1,sizeof(dro_header),opl.raw.handle);
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fclose(opl.raw.handle);
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opl.raw.handle=0;
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return;
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}
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opl.raw.handle=OpenCaptureFile("Raw Opl",".dro");
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opl.raw.index=0;
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opl.raw.used=0;
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opl.raw.done=0;
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opl.raw.start=0;
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opl.raw.last=0;
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memset(opl.raw.buffer,0,sizeof(opl.raw.buffer));
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fwrite(dro_header,1,sizeof(dro_header),opl.raw.handle);
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}
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static void OPL_Stop(Section* sec) {
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if (opl.raw.handle) OPL_SaveRawEvent();
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}
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void OPL_Init(Section* sec,Bitu base,OPL_Mode oplmode,Bitu rate) {
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Section_prop * section=static_cast<Section_prop *>(sec);
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if (OPL2::YM3812Init(2,OPL2_INTERNAL_FREQ,rate)) {
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@ -170,9 +308,11 @@ void OPL_Init(Section* sec,Bitu base,OPL_Mode oplmode,Bitu rate) {
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opl.active=false;
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opl.last_used=0;
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opl.mode=oplmode;
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memset(opl.raw.regs,0,sizeof(opl.raw.regs));
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opl.chan=MIXER_AddChannel(OPL_CallBack,rate,"FM");
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MIXER_SetMode(opl.chan,(opl.mode>OPL_opl2) ? MIXER_16STEREO : MIXER_16MONO);
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MIXER_Enable(opl.chan,false);
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MAPPER_AddHandler(OPL_SaveRawEvent,MK_f7,MMOD1|MMOD2,"caprawopl","Cap OPL");
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sec->AddDestroyFunction(&OPL_Stop);
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};
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