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1309 lines
37 KiB
1309 lines
37 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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namespace CDReaderHelpers
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{
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#define FILE_ANY_ACCESS 0
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#ifndef FILE_READ_ACCESS
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#define FILE_READ_ACCESS 1
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#endif
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#ifndef FILE_WRITE_ACCESS
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#define FILE_WRITE_ACCESS 2
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#endif
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#define METHOD_BUFFERED 0
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#define IOCTL_SCSI_BASE 4
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#define SCSI_IOCTL_DATA_OUT 0
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#define SCSI_IOCTL_DATA_IN 1
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#define SCSI_IOCTL_DATA_UNSPECIFIED 2
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#define CTL_CODE2(DevType, Function, Method, Access) (((DevType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method))
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#define IOCTL_SCSI_PASS_THROUGH_DIRECT CTL_CODE2( IOCTL_SCSI_BASE, 0x0405, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS )
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#define IOCTL_SCSI_GET_ADDRESS CTL_CODE2( IOCTL_SCSI_BASE, 0x0406, METHOD_BUFFERED, FILE_ANY_ACCESS )
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#define SENSE_LEN 14
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#define SRB_ENABLE_RESIDUAL_COUNT 0x04
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#define SRB_DIR_IN 0x08
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#define SRB_DIR_OUT 0x10
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#define SRB_EVENT_NOTIFY 0x40
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#define SC_HA_INQUIRY 0x00
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#define SC_GET_DEV_TYPE 0x01
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#define SC_EXEC_SCSI_CMD 0x02
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#define SS_PENDING 0x00
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#define SS_COMP 0x01
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#define SS_ERR 0x04
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enum
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{
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READTYPE_ANY = 0,
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READTYPE_ATAPI1 = 1,
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READTYPE_ATAPI2 = 2,
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READTYPE_READ6 = 3,
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READTYPE_READ10 = 4,
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READTYPE_READ_D8 = 5,
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READTYPE_READ_D4 = 6,
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READTYPE_READ_D4_1 = 7,
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READTYPE_READ10_2 = 8
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};
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struct SCSI_PASS_THROUGH
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{
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USHORT Length;
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UCHAR ScsiStatus;
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UCHAR PathId;
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UCHAR TargetId;
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UCHAR Lun;
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UCHAR CdbLength;
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UCHAR SenseInfoLength;
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UCHAR DataIn;
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ULONG DataTransferLength;
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ULONG TimeOutValue;
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ULONG DataBufferOffset;
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ULONG SenseInfoOffset;
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UCHAR Cdb[16];
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};
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struct SCSI_PASS_THROUGH_DIRECT
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{
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USHORT Length;
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UCHAR ScsiStatus;
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UCHAR PathId;
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UCHAR TargetId;
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UCHAR Lun;
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UCHAR CdbLength;
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UCHAR SenseInfoLength;
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UCHAR DataIn;
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ULONG DataTransferLength;
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ULONG TimeOutValue;
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PVOID DataBuffer;
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ULONG SenseInfoOffset;
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UCHAR Cdb[16];
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};
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struct SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER
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{
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SCSI_PASS_THROUGH_DIRECT spt;
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ULONG Filler;
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UCHAR ucSenseBuf[32];
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};
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struct SCSI_ADDRESS
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{
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ULONG Length;
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UCHAR PortNumber;
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UCHAR PathId;
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UCHAR TargetId;
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UCHAR Lun;
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};
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#pragma pack(1)
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struct SRB_GDEVBlock
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{
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BYTE SRB_Cmd;
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BYTE SRB_Status;
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BYTE SRB_HaID;
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BYTE SRB_Flags;
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DWORD SRB_Hdr_Rsvd;
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BYTE SRB_Target;
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BYTE SRB_Lun;
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BYTE SRB_DeviceType;
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BYTE SRB_Rsvd1;
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BYTE pad[68];
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};
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struct SRB_ExecSCSICmd
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{
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BYTE SRB_Cmd;
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BYTE SRB_Status;
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BYTE SRB_HaID;
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BYTE SRB_Flags;
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DWORD SRB_Hdr_Rsvd;
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BYTE SRB_Target;
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BYTE SRB_Lun;
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WORD SRB_Rsvd1;
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DWORD SRB_BufLen;
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BYTE *SRB_BufPointer;
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BYTE SRB_SenseLen;
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BYTE SRB_CDBLen;
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BYTE SRB_HaStat;
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BYTE SRB_TargStat;
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VOID *SRB_PostProc;
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BYTE SRB_Rsvd2[20];
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BYTE CDBByte[16];
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BYTE SenseArea[SENSE_LEN + 2];
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};
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struct SRB
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{
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BYTE SRB_Cmd;
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BYTE SRB_Status;
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BYTE SRB_HaId;
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BYTE SRB_Flags;
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DWORD SRB_Hdr_Rsvd;
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};
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struct TOCTRACK
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{
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BYTE rsvd;
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BYTE ADR;
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BYTE trackNumber;
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BYTE rsvd2;
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BYTE addr[4];
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};
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struct TOC
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{
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WORD tocLen;
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BYTE firstTrack;
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BYTE lastTrack;
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TOCTRACK tracks[100];
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};
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#pragma pack()
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//==============================================================================
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struct CDDeviceDescription
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{
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CDDeviceDescription() : ha (0), tgt (0), lun (0), scsiDriveLetter (0)
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{
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}
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void createDescription (const char* data)
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{
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description << String (data + 8, 8).trim() // vendor
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<< ' ' << String (data + 16, 16).trim() // product id
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<< ' ' << String (data + 32, 4).trim(); // rev
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}
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String description;
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BYTE ha, tgt, lun;
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char scsiDriveLetter; // will be 0 if not using scsi
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};
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//==============================================================================
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class CDReadBuffer
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{
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public:
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CDReadBuffer (const int numberOfFrames)
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: startFrame (0), numFrames (0), dataStartOffset (0),
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dataLength (0), bufferSize (2352 * numberOfFrames), index (0),
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buffer (bufferSize), wantsIndex (false)
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{
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}
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bool isZero() const noexcept
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{
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for (int i = 0; i < dataLength; ++i)
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if (buffer [dataStartOffset + i] != 0)
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return false;
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return true;
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}
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int startFrame, numFrames, dataStartOffset;
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int dataLength, bufferSize, index;
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HeapBlock<BYTE> buffer;
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bool wantsIndex;
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};
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class CDDeviceHandle;
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//==============================================================================
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class CDController
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{
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public:
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CDController() : initialised (false) {}
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virtual ~CDController() {}
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virtual bool read (CDReadBuffer&) = 0;
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virtual void shutDown() {}
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bool readAudio (CDReadBuffer& rb, CDReadBuffer* overlapBuffer = 0);
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int getLastIndex();
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public:
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CDDeviceHandle* deviceInfo;
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int framesToCheck, framesOverlap;
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bool initialised;
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void prepare (SRB_ExecSCSICmd& s);
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void perform (SRB_ExecSCSICmd& s);
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void setPaused (bool paused);
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};
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//==============================================================================
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class CDDeviceHandle
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{
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public:
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CDDeviceHandle (const CDDeviceDescription& device, HANDLE scsiHandle_)
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: info (device), scsiHandle (scsiHandle_), readType (READTYPE_ANY)
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{
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}
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~CDDeviceHandle()
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{
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if (controller != nullptr)
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{
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controller->shutDown();
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controller = 0;
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}
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if (scsiHandle != 0)
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CloseHandle (scsiHandle);
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}
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bool readTOC (TOC* lpToc);
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bool readAudio (CDReadBuffer& buffer, CDReadBuffer* overlapBuffer = 0);
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void openDrawer (bool shouldBeOpen);
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void performScsiCommand (HANDLE event, SRB_ExecSCSICmd& s);
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CDDeviceDescription info;
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HANDLE scsiHandle;
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BYTE readType;
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private:
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ScopedPointer<CDController> controller;
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bool testController (int readType, CDController* newController, CDReadBuffer& bufferToUse);
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};
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//==============================================================================
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HANDLE createSCSIDeviceHandle (const char driveLetter)
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{
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TCHAR devicePath[] = { '\\', '\\', '.', '\\', driveLetter, ':', 0, 0 };
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DWORD flags = GENERIC_READ | GENERIC_WRITE;
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HANDLE h = CreateFile (devicePath, flags, FILE_SHARE_WRITE | FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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if (h == INVALID_HANDLE_VALUE)
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{
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flags ^= GENERIC_WRITE;
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h = CreateFile (devicePath, flags, FILE_SHARE_WRITE | FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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}
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return h;
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}
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void findCDDevices (Array<CDDeviceDescription>& list)
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{
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for (char driveLetter = 'b'; driveLetter <= 'z'; ++driveLetter)
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{
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TCHAR drivePath[] = { driveLetter, ':', '\\', 0, 0 };
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if (GetDriveType (drivePath) == DRIVE_CDROM)
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{
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HANDLE h = createSCSIDeviceHandle (driveLetter);
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if (h != INVALID_HANDLE_VALUE)
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{
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char buffer[100] = { 0 };
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SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER p = { 0 };
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p.spt.Length = sizeof (SCSI_PASS_THROUGH);
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p.spt.CdbLength = 6;
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p.spt.SenseInfoLength = 24;
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p.spt.DataIn = SCSI_IOCTL_DATA_IN;
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p.spt.DataTransferLength = sizeof (buffer);
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p.spt.TimeOutValue = 2;
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p.spt.DataBuffer = buffer;
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p.spt.SenseInfoOffset = offsetof (SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER, ucSenseBuf);
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p.spt.Cdb[0] = 0x12;
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p.spt.Cdb[4] = 100;
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DWORD bytesReturned = 0;
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if (DeviceIoControl (h, IOCTL_SCSI_PASS_THROUGH_DIRECT,
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&p, sizeof (p), &p, sizeof (p),
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&bytesReturned, 0) != 0)
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{
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CDDeviceDescription dev;
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dev.scsiDriveLetter = driveLetter;
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dev.createDescription (buffer);
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SCSI_ADDRESS scsiAddr = { 0 };
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scsiAddr.Length = sizeof (scsiAddr);
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if (DeviceIoControl (h, IOCTL_SCSI_GET_ADDRESS,
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0, 0, &scsiAddr, sizeof (scsiAddr),
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&bytesReturned, 0) != 0)
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{
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dev.ha = scsiAddr.PortNumber;
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dev.tgt = scsiAddr.TargetId;
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dev.lun = scsiAddr.Lun;
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list.add (dev);
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}
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}
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CloseHandle (h);
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}
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}
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}
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}
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DWORD performScsiPassThroughCommand (SRB_ExecSCSICmd* const srb, const char driveLetter,
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HANDLE& deviceHandle, const bool retryOnFailure)
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{
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SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER s = { 0 };
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s.spt.Length = sizeof (SCSI_PASS_THROUGH);
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s.spt.CdbLength = srb->SRB_CDBLen;
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s.spt.DataIn = (BYTE) ((srb->SRB_Flags & SRB_DIR_IN)
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? SCSI_IOCTL_DATA_IN
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: ((srb->SRB_Flags & SRB_DIR_OUT)
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? SCSI_IOCTL_DATA_OUT
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: SCSI_IOCTL_DATA_UNSPECIFIED));
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s.spt.DataTransferLength = srb->SRB_BufLen;
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s.spt.TimeOutValue = 5;
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s.spt.DataBuffer = srb->SRB_BufPointer;
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s.spt.SenseInfoOffset = offsetof (SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER, ucSenseBuf);
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memcpy (s.spt.Cdb, srb->CDBByte, srb->SRB_CDBLen);
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srb->SRB_Status = SS_ERR;
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srb->SRB_TargStat = 0x0004;
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DWORD bytesReturned = 0;
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if (DeviceIoControl (deviceHandle, IOCTL_SCSI_PASS_THROUGH_DIRECT,
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&s, sizeof (s), &s, sizeof (s), &bytesReturned, 0) != 0)
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{
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srb->SRB_Status = SS_COMP;
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}
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else if (retryOnFailure)
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{
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const DWORD error = GetLastError();
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if ((error == ERROR_MEDIA_CHANGED) || (error == ERROR_INVALID_HANDLE))
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{
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if (error != ERROR_INVALID_HANDLE)
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CloseHandle (deviceHandle);
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deviceHandle = createSCSIDeviceHandle (driveLetter);
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return performScsiPassThroughCommand (srb, driveLetter, deviceHandle, false);
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}
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}
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return srb->SRB_Status;
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}
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//==============================================================================
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// Controller types..
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class ControllerType1 : public CDController
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{
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public:
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ControllerType1() {}
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bool read (CDReadBuffer& rb)
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{
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if (rb.numFrames * 2352 > rb.bufferSize)
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return false;
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SRB_ExecSCSICmd s;
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prepare (s);
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s.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
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s.SRB_BufLen = rb.bufferSize;
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s.SRB_BufPointer = rb.buffer;
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s.SRB_CDBLen = 12;
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s.CDBByte[0] = 0xBE;
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s.CDBByte[3] = (BYTE) ((rb.startFrame >> 16) & 0xFF);
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s.CDBByte[4] = (BYTE) ((rb.startFrame >> 8) & 0xFF);
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s.CDBByte[5] = (BYTE) (rb.startFrame & 0xFF);
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s.CDBByte[8] = (BYTE) (rb.numFrames & 0xFF);
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s.CDBByte[9] = (BYTE) (deviceInfo->readType == READTYPE_ATAPI1 ? 0x10 : 0xF0);
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perform (s);
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if (s.SRB_Status != SS_COMP)
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return false;
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rb.dataLength = rb.numFrames * 2352;
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rb.dataStartOffset = 0;
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return true;
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}
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};
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|
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//==============================================================================
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class ControllerType2 : public CDController
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{
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public:
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ControllerType2() {}
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|
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void shutDown()
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{
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if (initialised)
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{
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BYTE bufPointer[] = { 0, 0, 0, 8, 83, 0, 0, 0, 0, 0, 8, 0 };
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SRB_ExecSCSICmd s;
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prepare (s);
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s.SRB_Flags = SRB_EVENT_NOTIFY | SRB_ENABLE_RESIDUAL_COUNT;
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s.SRB_BufLen = 0x0C;
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s.SRB_BufPointer = bufPointer;
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s.SRB_CDBLen = 6;
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s.CDBByte[0] = 0x15;
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s.CDBByte[4] = 0x0C;
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perform (s);
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}
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}
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bool init()
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{
|
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SRB_ExecSCSICmd s;
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s.SRB_Status = SS_ERR;
|
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|
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if (deviceInfo->readType == READTYPE_READ10_2)
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{
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BYTE bufPointer1[] = { 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 9, 48, 35, 6, 0, 0, 0, 0, 0, 128 };
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BYTE bufPointer2[] = { 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 9, 48, 1, 6, 32, 7, 0, 0, 0, 0 };
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for (int i = 0; i < 2; ++i)
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{
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prepare (s);
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s.SRB_Flags = SRB_EVENT_NOTIFY;
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s.SRB_BufLen = 0x14;
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s.SRB_BufPointer = (i == 0) ? bufPointer1 : bufPointer2;
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s.SRB_CDBLen = 6;
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s.CDBByte[0] = 0x15;
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s.CDBByte[1] = 0x10;
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s.CDBByte[4] = 0x14;
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perform (s);
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|
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if (s.SRB_Status != SS_COMP)
|
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return false;
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}
|
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}
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|
else
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{
|
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BYTE bufPointer[] = { 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 9, 48 };
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|
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prepare (s);
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s.SRB_Flags = SRB_EVENT_NOTIFY;
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s.SRB_BufLen = 0x0C;
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s.SRB_BufPointer = bufPointer;
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s.SRB_CDBLen = 6;
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s.CDBByte[0] = 0x15;
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s.CDBByte[4] = 0x0C;
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perform (s);
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}
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return s.SRB_Status == SS_COMP;
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}
|
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|
|
bool read (CDReadBuffer& rb)
|
|
{
|
|
if (rb.numFrames * 2352 > rb.bufferSize)
|
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return false;
|
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|
|
if (! initialised)
|
|
{
|
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initialised = init();
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|
|
if (! initialised)
|
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return false;
|
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}
|
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|
|
SRB_ExecSCSICmd s;
|
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prepare (s);
|
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s.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
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s.SRB_BufLen = rb.bufferSize;
|
|
s.SRB_BufPointer = rb.buffer;
|
|
s.SRB_CDBLen = 10;
|
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s.CDBByte[0] = 0x28;
|
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s.CDBByte[1] = (BYTE) (deviceInfo->info.lun << 5);
|
|
s.CDBByte[3] = (BYTE) ((rb.startFrame >> 16) & 0xFF);
|
|
s.CDBByte[4] = (BYTE) ((rb.startFrame >> 8) & 0xFF);
|
|
s.CDBByte[5] = (BYTE) (rb.startFrame & 0xFF);
|
|
s.CDBByte[8] = (BYTE) (rb.numFrames & 0xFF);
|
|
perform (s);
|
|
|
|
if (s.SRB_Status != SS_COMP)
|
|
return false;
|
|
|
|
rb.dataLength = rb.numFrames * 2352;
|
|
rb.dataStartOffset = 0;
|
|
return true;
|
|
}
|
|
};
|
|
|
|
//==============================================================================
|
|
class ControllerType3 : public CDController
|
|
{
|
|
public:
|
|
ControllerType3() {}
|
|
|
|
bool read (CDReadBuffer& rb)
|
|
{
|
|
if (rb.numFrames * 2352 > rb.bufferSize)
|
|
return false;
|
|
|
|
if (! initialised)
|
|
{
|
|
setPaused (false);
|
|
initialised = true;
|
|
}
|
|
|
|
SRB_ExecSCSICmd s;
|
|
prepare (s);
|
|
s.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
|
|
s.SRB_BufLen = rb.numFrames * 2352;
|
|
s.SRB_BufPointer = rb.buffer;
|
|
s.SRB_CDBLen = 12;
|
|
s.CDBByte[0] = 0xD8;
|
|
s.CDBByte[3] = (BYTE) ((rb.startFrame >> 16) & 0xFF);
|
|
s.CDBByte[4] = (BYTE) ((rb.startFrame >> 8) & 0xFF);
|
|
s.CDBByte[5] = (BYTE) (rb.startFrame & 0xFF);
|
|
s.CDBByte[9] = (BYTE) (rb.numFrames & 0xFF);
|
|
perform (s);
|
|
|
|
if (s.SRB_Status != SS_COMP)
|
|
return false;
|
|
|
|
rb.dataLength = rb.numFrames * 2352;
|
|
rb.dataStartOffset = 0;
|
|
return true;
|
|
}
|
|
};
|
|
|
|
//==============================================================================
|
|
class ControllerType4 : public CDController
|
|
{
|
|
public:
|
|
ControllerType4() {}
|
|
|
|
bool selectD4Mode()
|
|
{
|
|
BYTE bufPointer[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 48 };
|
|
|
|
SRB_ExecSCSICmd s;
|
|
prepare (s);
|
|
s.SRB_Flags = SRB_EVENT_NOTIFY;
|
|
s.SRB_CDBLen = 6;
|
|
s.SRB_BufLen = 12;
|
|
s.SRB_BufPointer = bufPointer;
|
|
s.CDBByte[0] = 0x15;
|
|
s.CDBByte[1] = 0x10;
|
|
s.CDBByte[4] = 0x08;
|
|
perform (s);
|
|
|
|
return s.SRB_Status == SS_COMP;
|
|
}
|
|
|
|
bool read (CDReadBuffer& rb)
|
|
{
|
|
if (rb.numFrames * 2352 > rb.bufferSize)
|
|
return false;
|
|
|
|
if (! initialised)
|
|
{
|
|
setPaused (true);
|
|
|
|
if (deviceInfo->readType == READTYPE_READ_D4_1)
|
|
selectD4Mode();
|
|
|
|
initialised = true;
|
|
}
|
|
|
|
SRB_ExecSCSICmd s;
|
|
prepare (s);
|
|
s.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
|
|
s.SRB_BufLen = rb.bufferSize;
|
|
s.SRB_BufPointer = rb.buffer;
|
|
s.SRB_CDBLen = 10;
|
|
s.CDBByte[0] = 0xD4;
|
|
s.CDBByte[3] = (BYTE) ((rb.startFrame >> 16) & 0xFF);
|
|
s.CDBByte[4] = (BYTE) ((rb.startFrame >> 8) & 0xFF);
|
|
s.CDBByte[5] = (BYTE) (rb.startFrame & 0xFF);
|
|
s.CDBByte[8] = (BYTE) (rb.numFrames & 0xFF);
|
|
perform (s);
|
|
|
|
if (s.SRB_Status != SS_COMP)
|
|
return false;
|
|
|
|
rb.dataLength = rb.numFrames * 2352;
|
|
rb.dataStartOffset = 0;
|
|
return true;
|
|
}
|
|
};
|
|
|
|
|
|
//==============================================================================
|
|
void CDController::prepare (SRB_ExecSCSICmd& s)
|
|
{
|
|
zerostruct (s);
|
|
s.SRB_Cmd = SC_EXEC_SCSI_CMD;
|
|
s.SRB_HaID = deviceInfo->info.ha;
|
|
s.SRB_Target = deviceInfo->info.tgt;
|
|
s.SRB_Lun = deviceInfo->info.lun;
|
|
s.SRB_SenseLen = SENSE_LEN;
|
|
}
|
|
|
|
void CDController::perform (SRB_ExecSCSICmd& s)
|
|
{
|
|
s.SRB_PostProc = CreateEvent (0, TRUE, FALSE, 0);
|
|
|
|
deviceInfo->performScsiCommand (s.SRB_PostProc, s);
|
|
}
|
|
|
|
void CDController::setPaused (bool paused)
|
|
{
|
|
SRB_ExecSCSICmd s;
|
|
prepare (s);
|
|
s.SRB_Flags = SRB_EVENT_NOTIFY;
|
|
s.SRB_CDBLen = 10;
|
|
s.CDBByte[0] = 0x4B;
|
|
s.CDBByte[8] = (BYTE) (paused ? 0 : 1);
|
|
perform (s);
|
|
}
|
|
|
|
bool CDController::readAudio (CDReadBuffer& rb, CDReadBuffer* overlapBuffer)
|
|
{
|
|
if (overlapBuffer != nullptr)
|
|
{
|
|
const bool canDoJitter = (overlapBuffer->bufferSize >= 2352 * framesToCheck);
|
|
const bool doJitter = canDoJitter && ! overlapBuffer->isZero();
|
|
|
|
if (doJitter
|
|
&& overlapBuffer->startFrame > 0
|
|
&& overlapBuffer->numFrames > 0
|
|
&& overlapBuffer->dataLength > 0)
|
|
{
|
|
const int numFrames = rb.numFrames;
|
|
|
|
if (overlapBuffer->startFrame == (rb.startFrame - framesToCheck))
|
|
{
|
|
rb.startFrame -= framesOverlap;
|
|
|
|
if (framesToCheck < framesOverlap
|
|
&& numFrames + framesOverlap <= rb.bufferSize / 2352)
|
|
rb.numFrames += framesOverlap;
|
|
}
|
|
else
|
|
{
|
|
overlapBuffer->dataLength = 0;
|
|
overlapBuffer->startFrame = 0;
|
|
overlapBuffer->numFrames = 0;
|
|
}
|
|
}
|
|
|
|
if (! read (rb))
|
|
return false;
|
|
|
|
if (doJitter)
|
|
{
|
|
const int checkLen = framesToCheck * 2352;
|
|
const int maxToCheck = rb.dataLength - checkLen;
|
|
|
|
if (overlapBuffer->dataLength == 0 || overlapBuffer->isZero())
|
|
return true;
|
|
|
|
BYTE* const p = overlapBuffer->buffer + overlapBuffer->dataStartOffset;
|
|
bool found = false;
|
|
|
|
for (int i = 0; i < maxToCheck; ++i)
|
|
{
|
|
if (memcmp (p, rb.buffer + i, checkLen) == 0)
|
|
{
|
|
i += checkLen;
|
|
rb.dataStartOffset = i;
|
|
rb.dataLength -= i;
|
|
rb.startFrame = overlapBuffer->startFrame + framesToCheck;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
rb.numFrames = rb.dataLength / 2352;
|
|
rb.dataLength = 2352 * rb.numFrames;
|
|
|
|
if (! found)
|
|
return false;
|
|
}
|
|
|
|
if (canDoJitter)
|
|
{
|
|
memcpy (overlapBuffer->buffer,
|
|
rb.buffer + rb.dataStartOffset + 2352 * (rb.numFrames - framesToCheck),
|
|
2352 * framesToCheck);
|
|
|
|
overlapBuffer->startFrame = rb.startFrame + rb.numFrames - framesToCheck;
|
|
overlapBuffer->numFrames = framesToCheck;
|
|
overlapBuffer->dataLength = 2352 * framesToCheck;
|
|
overlapBuffer->dataStartOffset = 0;
|
|
}
|
|
else
|
|
{
|
|
overlapBuffer->startFrame = 0;
|
|
overlapBuffer->numFrames = 0;
|
|
overlapBuffer->dataLength = 0;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return read (rb);
|
|
}
|
|
|
|
int CDController::getLastIndex()
|
|
{
|
|
char qdata[100];
|
|
|
|
SRB_ExecSCSICmd s;
|
|
prepare (s);
|
|
s.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
|
|
s.SRB_BufLen = sizeof (qdata);
|
|
s.SRB_BufPointer = (BYTE*) qdata;
|
|
s.SRB_CDBLen = 12;
|
|
s.CDBByte[0] = 0x42;
|
|
s.CDBByte[1] = (BYTE) (deviceInfo->info.lun << 5);
|
|
s.CDBByte[2] = 64;
|
|
s.CDBByte[3] = 1; // get current position
|
|
s.CDBByte[7] = 0;
|
|
s.CDBByte[8] = (BYTE) sizeof (qdata);
|
|
perform (s);
|
|
|
|
return s.SRB_Status == SS_COMP ? qdata[7] : 0;
|
|
}
|
|
|
|
//==============================================================================
|
|
bool CDDeviceHandle::readTOC (TOC* lpToc)
|
|
{
|
|
SRB_ExecSCSICmd s = { 0 };
|
|
s.SRB_Cmd = SC_EXEC_SCSI_CMD;
|
|
s.SRB_HaID = info.ha;
|
|
s.SRB_Target = info.tgt;
|
|
s.SRB_Lun = info.lun;
|
|
s.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
|
|
s.SRB_BufLen = 0x324;
|
|
s.SRB_BufPointer = (BYTE*) lpToc;
|
|
s.SRB_SenseLen = 0x0E;
|
|
s.SRB_CDBLen = 0x0A;
|
|
s.SRB_PostProc = CreateEvent (0, TRUE, FALSE, 0);
|
|
s.CDBByte[0] = 0x43;
|
|
s.CDBByte[1] = 0x00;
|
|
s.CDBByte[7] = 0x03;
|
|
s.CDBByte[8] = 0x24;
|
|
|
|
performScsiCommand (s.SRB_PostProc, s);
|
|
return (s.SRB_Status == SS_COMP);
|
|
}
|
|
|
|
void CDDeviceHandle::performScsiCommand (HANDLE event, SRB_ExecSCSICmd& s)
|
|
{
|
|
ResetEvent (event);
|
|
DWORD status = performScsiPassThroughCommand ((SRB_ExecSCSICmd*) &s, info.scsiDriveLetter, scsiHandle, true);
|
|
|
|
if (status == SS_PENDING)
|
|
WaitForSingleObject (event, 4000);
|
|
|
|
CloseHandle (event);
|
|
}
|
|
|
|
bool CDDeviceHandle::readAudio (CDReadBuffer& buffer, CDReadBuffer* overlapBuffer)
|
|
{
|
|
if (controller == 0)
|
|
{
|
|
testController (READTYPE_ATAPI2, new ControllerType1(), buffer)
|
|
|| testController (READTYPE_ATAPI1, new ControllerType1(), buffer)
|
|
|| testController (READTYPE_READ10_2, new ControllerType2(), buffer)
|
|
|| testController (READTYPE_READ10, new ControllerType2(), buffer)
|
|
|| testController (READTYPE_READ_D8, new ControllerType3(), buffer)
|
|
|| testController (READTYPE_READ_D4, new ControllerType4(), buffer)
|
|
|| testController (READTYPE_READ_D4_1, new ControllerType4(), buffer);
|
|
}
|
|
|
|
buffer.index = 0;
|
|
|
|
if (controller != nullptr && controller->readAudio (buffer, overlapBuffer))
|
|
{
|
|
if (buffer.wantsIndex)
|
|
buffer.index = controller->getLastIndex();
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void CDDeviceHandle::openDrawer (bool shouldBeOpen)
|
|
{
|
|
if (shouldBeOpen)
|
|
{
|
|
if (controller != nullptr)
|
|
{
|
|
controller->shutDown();
|
|
controller = nullptr;
|
|
}
|
|
|
|
if (scsiHandle != 0)
|
|
{
|
|
CloseHandle (scsiHandle);
|
|
scsiHandle = 0;
|
|
}
|
|
}
|
|
|
|
SRB_ExecSCSICmd s = { 0 };
|
|
s.SRB_Cmd = SC_EXEC_SCSI_CMD;
|
|
s.SRB_HaID = info.ha;
|
|
s.SRB_Target = info.tgt;
|
|
s.SRB_Lun = info.lun;
|
|
s.SRB_SenseLen = SENSE_LEN;
|
|
s.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
|
|
s.SRB_BufLen = 0;
|
|
s.SRB_BufPointer = 0;
|
|
s.SRB_CDBLen = 12;
|
|
s.CDBByte[0] = 0x1b;
|
|
s.CDBByte[1] = (BYTE) (info.lun << 5);
|
|
s.CDBByte[4] = (BYTE) (shouldBeOpen ? 2 : 3);
|
|
s.SRB_PostProc = CreateEvent (0, TRUE, FALSE, 0);
|
|
|
|
performScsiCommand (s.SRB_PostProc, s);
|
|
}
|
|
|
|
bool CDDeviceHandle::testController (const int type, CDController* const newController, CDReadBuffer& rb)
|
|
{
|
|
controller = newController;
|
|
readType = (BYTE) type;
|
|
|
|
controller->deviceInfo = this;
|
|
controller->framesToCheck = 1;
|
|
controller->framesOverlap = 3;
|
|
|
|
bool passed = false;
|
|
memset (rb.buffer, 0xcd, rb.bufferSize);
|
|
|
|
if (controller->read (rb))
|
|
{
|
|
passed = true;
|
|
int* p = (int*) (rb.buffer + rb.dataStartOffset);
|
|
int wrong = 0;
|
|
|
|
for (int i = rb.dataLength / 4; --i >= 0;)
|
|
{
|
|
if (*p++ == (int) 0xcdcdcdcd)
|
|
{
|
|
if (++wrong == 4)
|
|
{
|
|
passed = false;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
wrong = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (! passed)
|
|
{
|
|
controller->shutDown();
|
|
controller = nullptr;
|
|
}
|
|
|
|
return passed;
|
|
}
|
|
|
|
|
|
//==============================================================================
|
|
struct CDDeviceWrapper
|
|
{
|
|
CDDeviceWrapper (const CDDeviceDescription& device, HANDLE scsiHandle)
|
|
: deviceHandle (device, scsiHandle), overlapBuffer (3), jitter (false)
|
|
{
|
|
// xxx jitter never seemed to actually be enabled (??)
|
|
}
|
|
|
|
CDDeviceHandle deviceHandle;
|
|
CDReadBuffer overlapBuffer;
|
|
bool jitter;
|
|
};
|
|
|
|
//==============================================================================
|
|
int getAddressOfTrack (const TOCTRACK& t) noexcept
|
|
{
|
|
return (((DWORD) t.addr[0]) << 24) + (((DWORD) t.addr[1]) << 16)
|
|
+ (((DWORD) t.addr[2]) << 8) + ((DWORD) t.addr[3]);
|
|
}
|
|
|
|
const int samplesPerFrame = 44100 / 75;
|
|
const int bytesPerFrame = samplesPerFrame * 4;
|
|
const int framesPerIndexRead = 4;
|
|
|
|
}
|
|
|
|
//==============================================================================
|
|
StringArray AudioCDReader::getAvailableCDNames()
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
StringArray results;
|
|
|
|
Array<CDDeviceDescription> list;
|
|
findCDDevices (list);
|
|
|
|
for (int i = 0; i < list.size(); ++i)
|
|
{
|
|
String s;
|
|
if (list[i].scsiDriveLetter > 0)
|
|
s << String::charToString (list[i].scsiDriveLetter).toUpperCase() << ": ";
|
|
|
|
s << list[i].description;
|
|
results.add (s);
|
|
}
|
|
|
|
return results;
|
|
}
|
|
|
|
AudioCDReader* AudioCDReader::createReaderForCD (const int deviceIndex)
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
|
|
Array<CDDeviceDescription> list;
|
|
findCDDevices (list);
|
|
|
|
if (isPositiveAndBelow (deviceIndex, list.size()))
|
|
{
|
|
HANDLE h = createSCSIDeviceHandle (list [deviceIndex].scsiDriveLetter);
|
|
|
|
if (h != INVALID_HANDLE_VALUE)
|
|
{
|
|
ScopedPointer<AudioCDReader> cd (new AudioCDReader (new CDDeviceWrapper (list [deviceIndex], h)));
|
|
|
|
if (cd->lengthInSamples > 0)
|
|
return cd.release();
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
AudioCDReader::AudioCDReader (void* handle_)
|
|
: AudioFormatReader (0, "CD Audio"),
|
|
handle (handle_),
|
|
indexingEnabled (false),
|
|
lastIndex (0),
|
|
firstFrameInBuffer (0),
|
|
samplesInBuffer (0)
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
jassert (handle_ != nullptr);
|
|
|
|
refreshTrackLengths();
|
|
|
|
sampleRate = 44100.0;
|
|
bitsPerSample = 16;
|
|
numChannels = 2;
|
|
usesFloatingPointData = false;
|
|
|
|
buffer.setSize (4 * bytesPerFrame, true);
|
|
}
|
|
|
|
AudioCDReader::~AudioCDReader()
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
CDDeviceWrapper* const device = static_cast <CDDeviceWrapper*> (handle);
|
|
delete device;
|
|
}
|
|
|
|
bool AudioCDReader::readSamples (int** destSamples, int numDestChannels, int startOffsetInDestBuffer,
|
|
int64 startSampleInFile, int numSamples)
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
CDDeviceWrapper* const device = static_cast <CDDeviceWrapper*> (handle);
|
|
|
|
bool ok = true;
|
|
|
|
while (numSamples > 0)
|
|
{
|
|
const int bufferStartSample = firstFrameInBuffer * samplesPerFrame;
|
|
const int bufferEndSample = bufferStartSample + samplesInBuffer;
|
|
|
|
if (startSampleInFile >= bufferStartSample
|
|
&& startSampleInFile < bufferEndSample)
|
|
{
|
|
const int toDo = (int) jmin ((int64) numSamples, bufferEndSample - startSampleInFile);
|
|
|
|
int* const l = destSamples[0] + startOffsetInDestBuffer;
|
|
int* const r = numDestChannels > 1 ? (destSamples[1] + startOffsetInDestBuffer) : nullptr;
|
|
const short* src = (const short*) buffer.getData();
|
|
src += 2 * (startSampleInFile - bufferStartSample);
|
|
|
|
for (int i = 0; i < toDo; ++i)
|
|
{
|
|
l[i] = src [i << 1] << 16;
|
|
|
|
if (r != nullptr)
|
|
r[i] = src [(i << 1) + 1] << 16;
|
|
}
|
|
|
|
startOffsetInDestBuffer += toDo;
|
|
startSampleInFile += toDo;
|
|
numSamples -= toDo;
|
|
}
|
|
else
|
|
{
|
|
const int framesInBuffer = (int) (buffer.getSize() / bytesPerFrame);
|
|
const int frameNeeded = (int) (startSampleInFile / samplesPerFrame);
|
|
|
|
if (firstFrameInBuffer + framesInBuffer != frameNeeded)
|
|
{
|
|
device->overlapBuffer.dataLength = 0;
|
|
device->overlapBuffer.startFrame = 0;
|
|
device->overlapBuffer.numFrames = 0;
|
|
device->jitter = false;
|
|
}
|
|
|
|
firstFrameInBuffer = frameNeeded;
|
|
lastIndex = 0;
|
|
|
|
CDReadBuffer readBuffer (framesInBuffer + 4);
|
|
readBuffer.wantsIndex = indexingEnabled;
|
|
|
|
int i;
|
|
for (i = 5; --i >= 0;)
|
|
{
|
|
readBuffer.startFrame = frameNeeded;
|
|
readBuffer.numFrames = framesInBuffer;
|
|
|
|
if (device->deviceHandle.readAudio (readBuffer, device->jitter ? &device->overlapBuffer : 0))
|
|
break;
|
|
else
|
|
device->overlapBuffer.dataLength = 0;
|
|
}
|
|
|
|
if (i >= 0)
|
|
{
|
|
buffer.copyFrom (readBuffer.buffer + readBuffer.dataStartOffset, 0, readBuffer.dataLength);
|
|
samplesInBuffer = readBuffer.dataLength >> 2;
|
|
lastIndex = readBuffer.index;
|
|
}
|
|
else
|
|
{
|
|
int* l = destSamples[0] + startOffsetInDestBuffer;
|
|
int* r = numDestChannels > 1 ? (destSamples[1] + startOffsetInDestBuffer) : nullptr;
|
|
|
|
while (--numSamples >= 0)
|
|
{
|
|
*l++ = 0;
|
|
|
|
if (r != nullptr)
|
|
*r++ = 0;
|
|
}
|
|
|
|
// sometimes the read fails for just the very last couple of blocks, so
|
|
// we'll ignore and errors in the last half-second of the disk..
|
|
ok = startSampleInFile > (trackStartSamples [getNumTracks()] - 20000);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
bool AudioCDReader::isCDStillPresent() const
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
TOC toc = { 0 };
|
|
return static_cast <CDDeviceWrapper*> (handle)->deviceHandle.readTOC (&toc);
|
|
}
|
|
|
|
void AudioCDReader::refreshTrackLengths()
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
trackStartSamples.clear();
|
|
zeromem (audioTracks, sizeof (audioTracks));
|
|
|
|
TOC toc = { 0 };
|
|
|
|
if (static_cast <CDDeviceWrapper*> (handle)->deviceHandle.readTOC (&toc))
|
|
{
|
|
int numTracks = 1 + toc.lastTrack - toc.firstTrack;
|
|
|
|
for (int i = 0; i <= numTracks; ++i)
|
|
{
|
|
trackStartSamples.add (samplesPerFrame * getAddressOfTrack (toc.tracks [i]));
|
|
audioTracks [i] = ((toc.tracks[i].ADR & 4) == 0);
|
|
}
|
|
}
|
|
|
|
lengthInSamples = getPositionOfTrackStart (getNumTracks());
|
|
}
|
|
|
|
bool AudioCDReader::isTrackAudio (int trackNum) const
|
|
{
|
|
return trackNum >= 0 && trackNum < getNumTracks() && audioTracks [trackNum];
|
|
}
|
|
|
|
void AudioCDReader::enableIndexScanning (bool b)
|
|
{
|
|
indexingEnabled = b;
|
|
}
|
|
|
|
int AudioCDReader::getLastIndex() const
|
|
{
|
|
return lastIndex;
|
|
}
|
|
|
|
int AudioCDReader::getIndexAt (int samplePos)
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
CDDeviceWrapper* const device = static_cast <CDDeviceWrapper*> (handle);
|
|
|
|
const int frameNeeded = samplePos / samplesPerFrame;
|
|
|
|
device->overlapBuffer.dataLength = 0;
|
|
device->overlapBuffer.startFrame = 0;
|
|
device->overlapBuffer.numFrames = 0;
|
|
device->jitter = false;
|
|
|
|
firstFrameInBuffer = 0;
|
|
lastIndex = 0;
|
|
|
|
CDReadBuffer readBuffer (4 + framesPerIndexRead);
|
|
readBuffer.wantsIndex = true;
|
|
|
|
int i;
|
|
for (i = 5; --i >= 0;)
|
|
{
|
|
readBuffer.startFrame = frameNeeded;
|
|
readBuffer.numFrames = framesPerIndexRead;
|
|
|
|
if (device->deviceHandle.readAudio (readBuffer))
|
|
break;
|
|
}
|
|
|
|
if (i >= 0)
|
|
return readBuffer.index;
|
|
|
|
return -1;
|
|
}
|
|
|
|
Array<int> AudioCDReader::findIndexesInTrack (const int trackNumber)
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
Array <int> indexes;
|
|
|
|
const int trackStart = getPositionOfTrackStart (trackNumber);
|
|
const int trackEnd = getPositionOfTrackStart (trackNumber + 1);
|
|
|
|
bool needToScan = true;
|
|
|
|
if (trackEnd - trackStart > 20 * 44100)
|
|
{
|
|
// check the end of the track for indexes before scanning the whole thing
|
|
needToScan = false;
|
|
int pos = jmax (trackStart, trackEnd - 44100 * 5);
|
|
bool seenAnIndex = false;
|
|
|
|
while (pos <= trackEnd - samplesPerFrame)
|
|
{
|
|
const int index = getIndexAt (pos);
|
|
|
|
if (index == 0)
|
|
{
|
|
// lead-out, so skip back a bit if we've not found any indexes yet..
|
|
if (seenAnIndex)
|
|
break;
|
|
|
|
pos -= 44100 * 5;
|
|
|
|
if (pos < trackStart)
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (index > 0)
|
|
seenAnIndex = true;
|
|
|
|
if (index > 1)
|
|
{
|
|
needToScan = true;
|
|
break;
|
|
}
|
|
|
|
pos += samplesPerFrame * framesPerIndexRead;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (needToScan)
|
|
{
|
|
CDDeviceWrapper* const device = static_cast <CDDeviceWrapper*> (handle);
|
|
|
|
int pos = trackStart;
|
|
int last = -1;
|
|
|
|
while (pos < trackEnd - samplesPerFrame * 10)
|
|
{
|
|
const int frameNeeded = pos / samplesPerFrame;
|
|
|
|
device->overlapBuffer.dataLength = 0;
|
|
device->overlapBuffer.startFrame = 0;
|
|
device->overlapBuffer.numFrames = 0;
|
|
device->jitter = false;
|
|
|
|
firstFrameInBuffer = 0;
|
|
|
|
CDReadBuffer readBuffer (4);
|
|
readBuffer.wantsIndex = true;
|
|
|
|
int i;
|
|
for (i = 5; --i >= 0;)
|
|
{
|
|
readBuffer.startFrame = frameNeeded;
|
|
readBuffer.numFrames = framesPerIndexRead;
|
|
|
|
if (device->deviceHandle.readAudio (readBuffer))
|
|
break;
|
|
}
|
|
|
|
if (i < 0)
|
|
break;
|
|
|
|
if (readBuffer.index > last && readBuffer.index > 1)
|
|
{
|
|
last = readBuffer.index;
|
|
indexes.add (pos);
|
|
}
|
|
|
|
pos += samplesPerFrame * framesPerIndexRead;
|
|
}
|
|
|
|
indexes.removeFirstMatchingValue (trackStart);
|
|
}
|
|
|
|
return indexes;
|
|
}
|
|
|
|
void AudioCDReader::ejectDisk()
|
|
{
|
|
using namespace CDReaderHelpers;
|
|
static_cast <CDDeviceWrapper*> (handle)->deviceHandle.openDrawer (true);
|
|
}
|
|
|