New DRO Capturing
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3178
This commit is contained in:
Sjoerd van der Berg
parent
bc593183b6
commit
1ff3aed302
1 changed files with 273 additions and 157 deletions
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@ -37,6 +37,255 @@
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#define logerror
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#ifdef _MSC_VER
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#pragma pack (1)
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#endif
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#define HW_OPL2 0
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#define HW_DUALOPL2 1
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#define HW_OPL3 2
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struct RawHeader {
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Bit8u id[8]; /* 0x00, "DBRAWOPL" */
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Bit16u versionHigh; /* 0x08, size of the data following the m */
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Bit16u versionLow; /* 0x0a, size of the data following the m */
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Bit32u commands; /* 0x0c, Bit32u amount of command/data pairs */
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Bit32u milliseconds; /* 0x10, Bit32u Total milliseconds of data in this chunk */
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Bit8u hardware; /* 0x14, Bit8u Hardware Type 0=opl2,1=dual-opl2,2=opl3 */
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Bit8u format; /* 0x15, Bit8u Format 0=cmd/data interleaved, 1 maybe all cdms, followed by all data */
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Bit8u compression; /* 0x16, Bit8u Compression Type, 0 = No Compression */
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Bit8u delay256; /* 0x17, Bit8u Delay 1-256 msec command */
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Bit8u delayShift8; /* 0x18, Bit8u (delay + 1)*256 */
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Bit8u conversionTableSize; /* 0x191, Bit8u Raw Conversion Table size */
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} GCC_ATTRIBUTE(packed);
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#ifdef _MSC_VER
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#pragma pack()
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#endif
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/*
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The Raw Tables is < 128 and is used to convert raw commands into a full register index
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When the high bit of a raw command is set it indicates the cmd/data pair is to be sent to the 2nd port
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After the conversion table the raw data follows immediatly till the end of the chunk
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*/
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typedef Bit8u RawCache[2][256];
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//Table to map the opl register to one <127 for dro saving
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class RawCapture {
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//127 entries to go from raw data to registers
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Bit8u ToReg[127];
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//How many entries in the ToPort are used
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Bit8u RawUsed;
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//256 entries to go from port index to raw data
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Bit8u ToRaw[256];
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Bit8u delay256;
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Bit8u delayShift8;
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RawHeader header;
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FILE* handle; //File used for writing
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Bit32u startTicks; //Start used to check total raw length on end
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Bit32u lastTicks; //Last ticks when last last cmd was added
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Bit8u buf[1024]; //16 added for delay commands and what not
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Bit32u bufUsed;
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Bit8u cmd[2]; //Last cmd's sent to either ports
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bool doneOpl3;
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bool doneDualOpl2;
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RawCache* cache;
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void MakeEntry( Bit8u reg, Bit8u& raw ) {
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ToReg[ raw ] = reg;
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ToRaw[ reg ] = raw;
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raw++;
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}
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void MakeTables( void ) {
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Bit8u index = 0;
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memset( ToReg, 0xff, sizeof ( ToReg ) );
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memset( ToRaw, 0xff, sizeof ( ToRaw ) );
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//Select the entries that are valid and the index is the mapping to the index entry
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MakeEntry( 0x01, index ); //0x01: Waveform select
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MakeEntry( 0x04, index ); //104: Four-Operator Enable
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MakeEntry( 0x05, index ); //105: OPL3 Mode Enable
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MakeEntry( 0x08, index ); //08: CSW / NOTE-SEL
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MakeEntry( 0xbd, index ); //BD: Tremolo Depth / Vibrato Depth / Percussion Mode / BD/SD/TT/CY/HH On
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//Add the 32 byte range that hold the 18 operators
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for ( int i = 0 ; i < 24; i++ ) {
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if ( (i & 7) < 6 ) {
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MakeEntry(0x20 + i, index ); //20-35: Tremolo / Vibrato / Sustain / KSR / Frequency Multiplication Facto
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MakeEntry(0x40 + i, index ); //40-55: Key Scale Level / Output Level
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MakeEntry(0x60 + i, index ); //60-75: Attack Rate / Decay Rate
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MakeEntry(0x80 + i, index ); //80-95: Sustain Level / Release Rate
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MakeEntry(0xe0 + i, index ); //E0-F5: Waveform Select
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}
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}
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//Add the 9 byte range that hold the 9 channels
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for ( int i = 0 ; i < 9; i++ ) {
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MakeEntry(0xa0 + i, index ); //A0-A8: Frequency Number
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MakeEntry(0xb0 + i, index ); //B0-B8: Key On / Block Number / F-Number(hi bits)
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MakeEntry(0xc0 + i, index ); //C0-C8: FeedBack Modulation Factor / Synthesis Type
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}
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//Store the amount of bytes the table contains
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RawUsed = index;
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// assert( RawUsed <= 127 );
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delay256 = RawUsed;
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delayShift8 = RawUsed+1;
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}
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void ClearBuf( void ) {
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fwrite( buf, 1, bufUsed, handle );
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header.commands += bufUsed / 2;
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bufUsed = 0;
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}
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void AddBuf( Bit8u raw, Bit8u val ) {
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buf[bufUsed++] = raw;
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buf[bufUsed++] = val;
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if ( bufUsed >= sizeof( buf ) ) {
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ClearBuf();
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}
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}
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void AddWrite( Bit8u index, Bit8u reg, Bit8u val ) {
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/*
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Do some special checks if we're doing opl3 or dualopl2 commands
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Although you could pretty much just stick to always doing opl3 on the player side
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*/
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if ( index ) {
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//opl3 enabling will always override dual opl
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if ( header.hardware != HW_OPL3 && reg == 4 && val && (*cache)[1][5] ) {
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header.hardware = HW_OPL3;
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}
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if ( header.hardware == HW_OPL2 && reg >= 0xb0 && reg <=0xb8 && val ) {
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header.hardware = HW_DUALOPL2;
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}
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}
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Bit8u raw = ToRaw[reg];
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if ( raw == 0xff )
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return;
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if ( index )
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raw |= 128;
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AddBuf( raw, val );
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}
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void WriteCache( void ) {
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Bitu i, val;
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/* Check the registers to add */
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for (i=0;i<256;i++) {
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//Skip the note on entries
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if (i>=0xb0 && i<=0xb8)
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continue;
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val = (*cache)[0][i];
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if (val) {
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AddWrite( 0, i, val );
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}
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val = (*cache)[1][i];
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if (val) {
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AddWrite( 1, i, val );
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}
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}
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}
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void InitHeader( void ) {
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memset( &header, 0, sizeof( header ) );
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memcpy( header.id, "DBRAWOPL", 8 );
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header.versionLow = 0;
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header.versionHigh = 2;
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header.delay256 = delay256;
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header.delayShift8 = delayShift8;
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header.conversionTableSize = RawUsed;
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}
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void CloseFile( void ) {
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if ( handle ) {
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ClearBuf();
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/* Endianize the header and write it to beginning of the file */
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var_write( &header.versionHigh, header.versionHigh );
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var_write( &header.versionLow, header.versionLow );
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var_write( &header.commands, header.commands );
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var_write( &header.milliseconds, header.milliseconds );
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fseek( handle, 0, SEEK_SET );
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fwrite( &header, 1, sizeof( header ), handle );
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fclose( handle );
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handle = 0;
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}
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}
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public:
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bool DoWrite( Bit8u index, Bit8u reg, Bit8u val ) {
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//Check the raw index for this register if we actually have to save it
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if ( handle ) {
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/*
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Check if we actually care for this to be logged, else just ignore it
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*/
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Bit8u raw = ToRaw[reg];
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if ( raw == 0xff ) {
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return true;
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}
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/* Check if this command will not just replace the same value
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in a reg that doesn't do anything with it
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*/
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if ( (*cache)[index][reg] == val )
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return true;
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/* Check how much time has passed */
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Bitu passed = PIC_Ticks - lastTicks;
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lastTicks = PIC_Ticks;
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header.milliseconds += passed;
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//if ( passed > 0 ) LOG_MSG( "Delay %d", passed ) ;
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// If we passed more than 30 seconds since the last command, we'll restart the the capture
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if ( passed > 30000 ) {
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CloseFile();
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goto skipWrite;
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}
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while (passed > 0) {
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if (passed < 257) { //1-256 millisecond delay
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AddBuf( delay256, passed - 1 );
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passed = 0;
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} else {
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Bitu shift = (passed >> 8);
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passed -= shift << 8;
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AddBuf( delayShift8, shift - 1 );
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}
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}
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AddWrite( index, reg, val );
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return true;
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}
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skipWrite:
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//Not yet capturing to a file here
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//Check for commands that would start capturing, if it's not one of them return
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if ( !(
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//note on in any channel
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( reg>=0xb0 && reg<=0xb8 && (val&0x020) ) ||
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//Percussion mode enabled and a note on in any percussion instrument
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( reg == 0xbd && ( (val&0x3f) > 0x20 ) )
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)) {
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return true;
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}
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handle = OpenCaptureFile("Raw Opl",".dro");
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if (!handle)
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return false;
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InitHeader();
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//Prepare space at start of the file for the header
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fwrite( &header, 1, sizeof(header), handle );
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/* write the Raw To Reg table */
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fwrite( &ToReg, 1, RawUsed, handle );
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/* Write the cache of last commands */
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WriteCache( );
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/* Write the command that triggered this */
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AddWrite( index, reg, val );
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//Init the timing information for the next commands
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lastTicks = PIC_Ticks;
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startTicks = PIC_Ticks;
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return true;
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}
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RawCapture( RawCache* _cache ) {
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cache = _cache;
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handle = 0;
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bufUsed = 0;
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MakeTables();
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}
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~RawCapture() {
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CloseFile();
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}
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};
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#ifdef _MSC_VER
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/* Disable recurring warnings */
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# pragma warning ( disable : 4018 )
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@ -87,22 +336,11 @@ static struct {
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bool active;
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OPL_Mode mode;
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MixerChannel * 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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bool capturing;
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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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bool opl3;
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bool dualopl2;
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} raw;
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Bit32u last_used; //Ticks when adlib was last used to turn of mixing after a few second
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Bit16s mixbuf[2][128]; //Mix buffer to mix dual opl2 into final stream
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Bit8u cmd[2]; //Last cmd written to either index
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RawCache cache;
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RawCapture* raw;
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} opl;
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static void OPL_CallBack(Bitu len) {
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@ -146,7 +384,6 @@ 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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@ -154,12 +391,16 @@ void OPL_Write(Bitu port,Bitu val,Bitu iolen) {
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opl.chan->Enable(true);
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}
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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.capturing) 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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Bitu index = port>>1;
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if ( port&1 ) {
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Bit8u cmd = opl.cmd[index];
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if ( opl.raw )
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opl.raw->DoWrite( index, cmd, val );
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//Write to the cache after, so the raw can check for unchanged values
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opl.cache[index][cmd]=val;
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} else {
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opl.cmd[ index ] = val;
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}
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switch (opl.mode) {
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case OPL_opl2:
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OPL2::YM3812Write(0,port,val);
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@ -168,149 +409,22 @@ void OPL_Write(Bitu port,Bitu val,Bitu iolen) {
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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(port>>1,port,val);
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OPL2::YM3812Write( index,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', /* 0x00, Bit32u ID */
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'W','O','P','L', /* 0x04, Bit32u ID */
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0x0,0x00, /* 0x08, Bit16u version low */
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0x1,0x00, /* 0x09, Bit16u version high */
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0x0,0x0,0x0,0x0, /* 0x0c, Bit32u total milliseconds */
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0x0,0x0,0x0,0x0, /* 0x10, Bit32u total data */
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0x0,0x0,0x0,0x0 /* 0x14, Bit32u 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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0x02 none, Use the low index/data pair
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0x03 none, Use the high index/data pair
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0x10 Bit16u, millisecond delay+1
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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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Bit8u cmd=opl.raw.cmd[index];
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/* check for cmd's we use for special meaning
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These only control timers or are unused
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*/
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if (cmd == 2 || cmd == 3 || cmd == 0x10) return;
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if (cmd == 4 && !index) return;
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/* Check if we have yet to start */
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if (!opl.raw.handle) {
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if (cmd<0xb0 || cmd>0xb8) return;
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if (!(val&0x20)) return;
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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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opl.raw.handle=OpenCaptureFile("Raw Opl",".dro");
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if (!opl.raw.handle) {
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opl.raw.capturing=false;
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return;
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}
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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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/* Check the registers to add */
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for (i=0;i<256;i++) {
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if (!opl.raw.regs[0][i]) continue;
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if (i>=0xb0 && i<=0xb8) 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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/* Check if we already have an opl3 enable bit logged */
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if (opl.raw.regs[1][5] & 1)
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opl.raw.opl3 = true;
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for (i=0;i<256;i++) {
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if (!opl.raw.regs[1][i]) continue;
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if (i>=0xb0 && i<=0xb8) continue;
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if (!donesecond) {
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/* Or already have dual opl2 */
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opl.raw.dualopl2 = true;
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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[1][i]);
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}
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if (donesecond) ADDBUF(0x2);
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}
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/* Check if we enable opl3 or access dual opl2 mode */
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if (cmd == 5 && index && (val & 1)) {
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opl.raw.opl3 = true;
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}
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if (index && val && cmd>=0xb0 && cmd<=0xb8) {
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opl.raw.dualopl2 = true;
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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(cmd);
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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(bool pressed) {
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if (!pressed)
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return;
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/* Check for previously opened wave file */
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if (opl.raw.handle) {
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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[0x0c],opl.raw.last-opl.raw.start);
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host_writed(&dro_header[0x10],opl.raw.done);
|
||||
if (opl.raw.opl3 && opl.raw.dualopl2) host_writed(&dro_header[0x14],0x1);
|
||||
else if (opl.raw.dualopl2) host_writed(&dro_header[0x14],0x2);
|
||||
else host_writed(&dro_header[0x14],0x0);
|
||||
fseek(opl.raw.handle,0,0);
|
||||
fwrite(dro_header,1,sizeof(dro_header),opl.raw.handle);
|
||||
fclose(opl.raw.handle);
|
||||
opl.raw.handle=0;
|
||||
}
|
||||
if (opl.raw.capturing) {
|
||||
opl.raw.capturing=false;
|
||||
LOG_MSG("Stopping Raw OPL capturing.");
|
||||
if ( opl.raw ) {
|
||||
delete opl.raw;
|
||||
opl.raw = 0;
|
||||
LOG_MSG("Stopped Raw OPL capturing.");
|
||||
} else {
|
||||
LOG_MSG("Preparing to capture Raw OPL, will start with first note played.");
|
||||
opl.raw.capturing=true;
|
||||
opl.raw.index=0;
|
||||
opl.raw.used=0;
|
||||
opl.raw.done=0;
|
||||
opl.raw.start=0;
|
||||
opl.raw.last=0;
|
||||
opl.raw = new RawCapture( &opl.cache );
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -345,6 +459,7 @@ public:
|
|||
WriteHandler[2].Install(base+8,OPL_Write,IO_MB,2);
|
||||
ReadHandler[2].Install(base+8,OPL_Read,IO_MB,2);
|
||||
|
||||
opl.raw = 0;
|
||||
opl.active=false;
|
||||
opl.last_used=0;
|
||||
opl.mode=oplmode;
|
||||
|
|
@ -353,7 +468,8 @@ public:
|
|||
MAPPER_AddHandler(OPL_SaveRawEvent,MK_f7,MMOD1|MMOD2,"caprawopl","Cap OPL");
|
||||
}
|
||||
~OPL() {
|
||||
if (opl.raw.handle) OPL_SaveRawEvent(true);
|
||||
if (opl.raw)
|
||||
delete opl.raw;
|
||||
OPL2::YM3812Shutdown();
|
||||
THEOPL3::YMF262Shutdown();
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue