--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/ds9/qaudiocdreader.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,312 @@
+/* This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "qaudiocdreader.h"
+#include <dshow.h>
+#include <initguid.h>
+
+#include <winioctl.h> // needed for FILE_DEVICE_CD_ROM etc
+
+#define IOCTL_CDROM_READ_TOC CTL_CODE(FILE_DEVICE_CD_ROM, 0x0000, METHOD_BUFFERED, FILE_READ_ACCESS)
+#define IOCTL_CDROM_RAW_READ CTL_CODE(FILE_DEVICE_CD_ROM, 0x000F, METHOD_OUT_DIRECT, FILE_READ_ACCESS)
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_PHONON_MEDIACONTROLLER
+
+namespace Phonon
+{
+ namespace DS9
+ {
+ // {CA46BFE1-D55B-4adf-B803-BC2B9AD57824}
+ DEFINE_GUID(IID_ITitleInterface,
+ 0xca46bfe1, 0xd55b, 0x4adf, 0xb8, 0x3, 0xbc, 0x2b, 0x9a, 0xd5, 0x78, 0x24);
+
+ struct TRACK_DATA {
+ UCHAR Reserved;
+ UCHAR Control : 4;
+ UCHAR Adr : 4;
+ UCHAR TrackNumber;
+ UCHAR Reserved1;
+ UCHAR Address[4];
+ };
+
+ struct CDROM_TOC {
+ UCHAR Length[2];
+ UCHAR FirstTrack;
+ UCHAR LastTrack;
+ TRACK_DATA TrackData[100];
+ };
+
+ struct WaveStructure
+ {
+ WaveStructure();
+
+ char riff[4];
+ qint32 chunksize;
+ char wave[4];
+ char fmt[4];
+ const qint32 chunksize2;
+ const quint16 formatTag;
+ const quint16 nChannels;
+ const quint32 nSamplesPerSec;
+ const quint32 nAvgBytesPerSec;
+ const quint16 nBlockAlign;
+ const quint16 bitsPerSample;
+ char data[4];
+ qint32 dataLength;
+ };
+
+ enum TRACK_MODE_TYPE {
+ YellowMode2,
+ XAForm2,
+ CDDA
+ };
+
+
+ struct RAW_READ_INFO {
+ LARGE_INTEGER DiskOffset;
+ ULONG SectorCount;
+ TRACK_MODE_TYPE TrackMode;
+ };
+
+ class QAudioCDReader : public QAsyncReader, public ITitleInterface
+ {
+ public:
+ QAudioCDReader(QBaseFilter *parent, QChar drive = QChar());
+ ~QAudioCDReader();
+
+ //reimplementation from IUnknown
+ STDMETHODIMP_(ULONG) AddRef();
+ STDMETHODIMP_(ULONG) Release();
+
+ STDMETHODIMP Length(LONGLONG *,LONGLONG *);
+ STDMETHODIMP QueryInterface(REFIID iid, void** out);
+ QList<qint64> titles() const;
+
+ protected:
+ HRESULT read(LONGLONG pos, LONG length, BYTE *buffer, LONG *actual);
+
+ private:
+ HANDLE m_cddrive;
+ CDROM_TOC m_toc;
+ WaveStructure m_waveHeader;
+ qint64 m_trackAddress;
+ };
+
+
+#define SECTOR_SIZE 2352
+#define NB_SECTORS_READ 20
+
+ static const AM_MEDIA_TYPE audioCDMediaType = { MEDIATYPE_Stream, MEDIASUBTYPE_WAVE, TRUE, FALSE, 1, GUID_NULL, 0, 0, 0};
+
+ int addressToSectors(UCHAR address[4])
+ {
+ return ((address[0] * 60 + address[1]) * 60 + address[2]) * 75 + address[3] - 150;
+ }
+
+ WaveStructure::WaveStructure() : chunksize(0), chunksize2(16),
+ formatTag(WAVE_FORMAT_PCM), nChannels(2), nSamplesPerSec(44100), nAvgBytesPerSec(176400), nBlockAlign(4), bitsPerSample(16),
+ dataLength(0)
+ {
+ qMemCopy(riff, "RIFF", 4);
+ qMemCopy(wave, "WAVE", 4);
+ qMemCopy(fmt, "fmt ", 4);
+ qMemCopy(data, "data", 4);
+ }
+
+
+ QAudioCDReader::QAudioCDReader(QBaseFilter *parent, QChar drive) : QAsyncReader(parent, QVector<AM_MEDIA_TYPE>() << audioCDMediaType)
+ {
+ //now open the cd-drive
+ QString path;
+ if (drive.isNull()) {
+ path = QString::fromLatin1("\\\\.\\Cdrom0");
+ } else {
+ path = QString::fromLatin1("\\\\.\\%1:").arg(drive);
+ }
+
+ m_cddrive = ::CreateFile((const wchar_t *)path.utf16(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
+
+ qMemSet(&m_toc, 0, sizeof(CDROM_TOC));
+ //read the TOC
+ DWORD bytesRead = 0;
+ bool tocRead = ::DeviceIoControl(m_cddrive, IOCTL_CDROM_READ_TOC, 0, 0, &m_toc, sizeof(CDROM_TOC), &bytesRead, 0);
+
+ if (!tocRead) {
+ qWarning("unable to load the TOC from the CD");
+ return;
+ }
+
+ m_trackAddress = addressToSectors(m_toc.TrackData[0].Address);
+ const qint32 nbSectorsToRead = (addressToSectors(m_toc.TrackData[m_toc.LastTrack + 1 - m_toc.FirstTrack].Address)
+ - m_trackAddress);
+ const qint32 dataLength = nbSectorsToRead * SECTOR_SIZE;
+
+ m_waveHeader.chunksize = 4 + (8 + m_waveHeader.chunksize2) + (8 + dataLength);
+ m_waveHeader.dataLength = dataLength;
+ }
+
+ QAudioCDReader::~QAudioCDReader()
+ {
+ ::CloseHandle(m_cddrive);
+ }
+
+ STDMETHODIMP_(ULONG) QAudioCDReader::AddRef()
+ {
+ return QAsyncReader::AddRef();
+ }
+
+ STDMETHODIMP_(ULONG) QAudioCDReader::Release()
+ {
+ return QAsyncReader::Release();
+ }
+
+
+ STDMETHODIMP QAudioCDReader::Length(LONGLONG *total,LONGLONG *available)
+ {
+ const LONGLONG length = sizeof(WaveStructure) + m_waveHeader.dataLength;
+ if (total) {
+ *total = length;
+ }
+ if (available) {
+ *available = length;
+ }
+
+ return S_OK;
+ }
+
+ STDMETHODIMP QAudioCDReader::QueryInterface(REFIID iid, void** out)
+ {
+ if (!out) {
+ return E_POINTER;
+ }
+
+ if (iid == IID_ITitleInterface) {
+ //we reroute that to the pin
+ *out = static_cast<ITitleInterface*>(this);
+ AddRef();
+ return S_OK;
+ } else {
+ return QAsyncReader::QueryInterface(iid, out);
+ }
+ }
+
+
+ HRESULT QAudioCDReader::read(LONGLONG pos, LONG length, BYTE *buffer, LONG *actual)
+ {
+ LONG nbRead = 0;
+
+ if (actual) {
+ *actual = 0;
+ }
+
+ if (pos < sizeof(WaveStructure)) {
+ //we first copy the content of the structure
+ nbRead = qMin(LONG(sizeof(WaveStructure) - pos), length);
+ qMemCopy(buffer, reinterpret_cast<char*>(&m_waveHeader) + pos, nbRead);
+ }
+
+ const LONGLONG posInTrack = pos - sizeof(WaveStructure) + nbRead;
+ const int bytesLeft = qMin(m_waveHeader.dataLength - posInTrack, LONGLONG(length - nbRead));
+
+ if (bytesLeft > 0) {
+
+ //we need to read again
+
+ const int surplus = posInTrack % SECTOR_SIZE; //how many bytes too much at the beginning
+ const int firstSector = posInTrack / SECTOR_SIZE,
+ lastSector = (posInTrack + length - 1) / SECTOR_SIZE;
+ const int sectorsNeeded = lastSector - firstSector + 1;
+ int sectorsRead = 0;
+
+ QByteArray ba(sectorsNeeded * SECTOR_SIZE, 0);
+
+
+ RAW_READ_INFO ReadInfo;
+ ReadInfo.TrackMode = CDDA; // Always use CDDA (numerical: 2)
+ ReadInfo.DiskOffset.QuadPart = (m_trackAddress + firstSector) * 2048;
+ ReadInfo.SectorCount = qMin(sectorsNeeded - sectorsRead, NB_SECTORS_READ);
+ while (ReadInfo.SectorCount) {
+ DWORD dummy = 0;
+ if (::DeviceIoControl( m_cddrive, IOCTL_CDROM_RAW_READ,
+ &ReadInfo, sizeof(ReadInfo),
+ ba.data() + sectorsRead * SECTOR_SIZE,
+ ReadInfo.SectorCount * SECTOR_SIZE,
+ &dummy, NULL ) )
+ {
+ ReadInfo.DiskOffset.QuadPart += ReadInfo.SectorCount * 2048;
+ sectorsRead += ReadInfo.SectorCount;
+ ReadInfo.SectorCount = qMin(sectorsNeeded - sectorsRead, NB_SECTORS_READ);
+ }else {
+ qWarning("an error occurred while reading from the media");
+ return S_FALSE;
+ }
+
+ }
+
+ //consume bytes on the buffer
+ qMemCopy(buffer + nbRead, ba.data() + surplus, bytesLeft);
+
+ //at this point we have all we need in the buffer
+ nbRead += bytesLeft;
+ }
+
+ if (actual) {
+ *actual = nbRead;
+ }
+
+ return nbRead == length ? S_OK : S_FALSE;
+ }
+
+ QList<qint64> QAudioCDReader::titles() const
+ {
+ QList<qint64> ret;
+ ret << 0;
+ for(int i = m_toc.FirstTrack; i <= m_toc.LastTrack ; ++i) {
+ const uchar *address = m_toc.TrackData[i].Address;
+ ret << ((address[0] * 60 + address[1]) * 60 + address[2]) * 1000 + address[3]*1000/75 - 2000;
+
+ }
+ return ret;
+ }
+
+
+ QAudioCDPlayer::QAudioCDPlayer() : QBaseFilter(CLSID_NULL)
+ {
+ new QAudioCDReader(this);
+ }
+
+ QAudioCDPlayer::~QAudioCDPlayer()
+ {
+ }
+
+ STDMETHODIMP QAudioCDPlayer::QueryInterface(REFIID iid, void** out)
+ {
+ if (iid == IID_ITitleInterface) {
+ //we reroute that to the pin
+ return pins().first()->QueryInterface(iid, out);
+ } else {
+ return QBaseFilter::QueryInterface(iid, out);
+ }
+ }
+ }
+}
+
+#endif //QT_NO_PHONON_MEDIACONTROLLER
+
+QT_END_NAMESPACE