186 lines
5 KiB
C
186 lines
5 KiB
C
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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read.c
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Abstract:
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dump cd tracks/sectors to wav files
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Environment:
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User mode only
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Revision History:
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05-26-98 : Created
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--*/
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#include "common.h"
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#define LARGEST_SECTORS_PER_READ 27 // about 64k of data
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ULONG32
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CddumpDumpLba(
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HANDLE CdromHandle,
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HANDLE OutHandle,
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ULONG StartAddress,
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ULONG EndAddress
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)
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{
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RAW_READ_INFO info; // fill in for the read request
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PUCHAR sample;
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ULONG bytesReturned;
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ULONG currentLba;
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ULONG temp;
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ULONG sectorsPerRead;
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sample = NULL;
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currentLba = StartAddress;
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sectorsPerRead = LARGEST_SECTORS_PER_READ;
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TRY {
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sample = malloc(RAW_SECTOR_SIZE*LARGEST_SECTORS_PER_READ);
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if (sample == NULL) {
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printf("DumpLba => No memory for sample\n");
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LEAVE;
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}
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DebugPrint((3, "DumpLba => Largest Sectors Per Read: %d\n",
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LARGEST_SECTORS_PER_READ));
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while (sectorsPerRead != 0) {
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while (currentLba + sectorsPerRead <= EndAddress) {
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//
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// do a read of sectorsPerRead sectors
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//
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info.DiskOffset.QuadPart = (ULONGLONG)(currentLba*(ULONGLONG)2048);
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info.SectorCount = sectorsPerRead;
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info.TrackMode = CDDA;
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DebugPrint((3, "DumpLba => (%d) read from %8d to %8d:",
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sectorsPerRead, currentLba,
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currentLba + sectorsPerRead - 1));
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if(!DeviceIoControl(CdromHandle,
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IOCTL_CDROM_RAW_READ,
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&info, // pointer to inputbuffer
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sizeof(RAW_READ_INFO), // sizeof inputbuffer
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sample, // pointer to outputbuffer
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RAW_SECTOR_SIZE * sectorsPerRead, // sizeof outputbuffer
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&bytesReturned, // pointer to number of bytes returned
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FALSE // ???
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)
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) {
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DWORD error = GetLastError();
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if (error == ERROR_INVALID_PARAMETER) {
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printf("ERROR_INVALID_PARAMTER for read size %x, "
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"trying smaller transfer\n", sectorsPerRead);
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break; // out of inner while() loop
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} else {
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printf("Error %d sending IOCTL_CDROM_RAW_READ for sector %d\n",
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GetLastError(), currentLba);
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LEAVE;
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}
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}
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if (bytesReturned != RAW_SECTOR_SIZE * sectorsPerRead) {
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printf("Only returned %d of %d bytes for read %d\n",
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bytesReturned,
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RAW_SECTOR_SIZE * sectorsPerRead,
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currentLba
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);
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LEAVE;
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}
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//
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// write that buffer out
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//
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DebugPrint((3, "DumpLba => (%d) write from %8d to %8d:",
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sectorsPerRead, currentLba,
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currentLba + sectorsPerRead - 1));
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if (!WriteFile(OutHandle,
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sample,
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RAW_SECTOR_SIZE * sectorsPerRead,
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&temp,
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NULL)) {
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printf("Unable to write data for read %d\n", currentLba);
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LEAVE;
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}
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//
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// increment currentLba
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//
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currentLba += sectorsPerRead;
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} // currentLba + sectorsPerRead <= EndAddress
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sectorsPerRead /= 2;
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} // sectorsPerRead != 0
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} FINALLY {
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if (sample) {
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free(sample);
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}
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}
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return 0;
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}
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PCDROM_TOC
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CddumpGetToc(
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HANDLE device
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)
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{
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PCDROM_TOC toc;
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ULONG bytesReturned;
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ULONG errorValue;
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toc = (PCDROM_TOC)malloc( sizeof(CDROM_TOC) );
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if ( toc == NULL ) {
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printf( "Insufficient memory\n" );
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return NULL;
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}
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if( !DeviceIoControl( device,
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IOCTL_CDROM_READ_TOC,
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NULL, // pointer to inputbuffer
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0, // sizeof inputbuffer
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toc, // pointer to outputbuffer
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sizeof(CDROM_TOC), // sizeof outputbuffer
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&bytesReturned, // pointer to number of bytes returned
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FALSE //
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)
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) {
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errorValue = GetLastError();
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printf( "Error %d sending IOCTL_CDROM_READ_TOC\n", errorValue );
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free( toc );
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return NULL;
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}
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return toc;
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}
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