Long live Qt!

1 files changed, 332 insertions, 0 deletions

diff --git a/src/3rdparty/phonon/ds9/qaudiocdreader.cpp b/src/3rdparty/phonon/ds9/qaudiocdreader.cpp
new file mode 100644
index 0000000..b9f9fd6
--- /dev/null
+++ b/src/3rdparty/phonon/ds9/qaudiocdreader.cpp
@@ -0,0 +1,332 @@
+/*  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 AM_MEDIA_TYPE getAudioCDMediaType()
+        {
+            AM_MEDIA_TYPE mt;
+            qMemSet(&mt, 0, sizeof(AM_MEDIA_TYPE));
+            mt.majortype = MEDIATYPE_Stream;
+            mt.subtype = MEDIASUBTYPE_WAVE;
+            mt.bFixedSizeSamples = TRUE;
+            mt.bTemporalCompression = FALSE;
+            mt.lSampleSize = 1;
+            mt.formattype = GUID_NULL;
+            return mt;
+        }
+
+        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>() << getAudioCDMediaType())
+        {
+            m_toc = new CDROM_TOC;
+            m_waveHeader = new WaveStructure;
+
+            //now open the cd-drive
+            QString path; 
+            if (drive.isNull()) {
+                path = QString::fromLatin1("\\\\.\\Cdrom0"); 	 
+            } else { 	 
+                path = QString::fromLatin1("\\\\.\\%1:").arg(drive); 	 
+            }
+
+            m_cddrive = QT_WA_INLINE (
+			::CreateFile( (TCHAR*)path.utf16(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL ),
+			::CreateFileA( path.toLocal8Bit().constData(), 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);
+            delete m_toc;
+            delete m_waveHeader;
+
+        }
+
+        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