# HG changeset patch
# User Chris Cannam
# Date 1346666810 -3600
# Node ID 523e97d0f6eb5f6fc2d3394b04e641ec33c0f92c
# Parent  f5aeda36d5bdf922d73850a4f15dc240421935c4# Parent  964a20b5a747f148489ce807e346f3a96e302b75
Merge from branch "coreaudio_tests"

diff -r f5aeda36d5bd -r 523e97d0f6eb config.pri.in
--- a/config.pri.in	Tue Aug 21 13:29:13 2012 +0100
+++ b/config.pri.in	Mon Sep 03 11:06:50 2012 +0100
@@ -1,4 +1,3 @@
-
 CONFIG += @QMAKE_CONFIG@
 
 DEFINES += @HAVES@
@@ -12,8 +11,8 @@
 
 linux*:LIBS += -lasound
 
-macx*:DEFINES += HAVE_QUICKTIME
-macx*:LIBS += -framework QuickTime -framework CoreAudio -framework CoreMidi -framework AudioUnit -framework AudioToolbox -framework CoreFoundation -framework CoreServices
+macx*:DEFINES += HAVE_COREAUDIO
+macx*:LIBS += -framework CoreAudio -framework CoreMidi -framework AudioUnit -framework AudioToolbox -framework CoreFoundation -framework CoreServices
 
 LIBS += @LIBS@
 
diff -r f5aeda36d5bd -r 523e97d0f6eb data/fileio/AudioFileReaderFactory.cpp
--- a/data/fileio/AudioFileReaderFactory.cpp	Tue Aug 21 13:29:13 2012 +0100
+++ b/data/fileio/AudioFileReaderFactory.cpp	Mon Sep 03 11:06:50 2012 +0100
@@ -20,6 +20,7 @@
 #include "OggVorbisFileReader.h"
 #include "MP3FileReader.h"
 #include "QuickTimeFileReader.h"
+#include "CoreAudioFileReader.h"
 
 #include <QString>
 #include <QFileInfo>
@@ -42,6 +43,9 @@
 #ifdef HAVE_QUICKTIME
     QuickTimeFileReader::getSupportedExtensions(extensions);
 #endif
+#ifdef HAVE_COREAUDIO
+    CoreAudioFileReader::getSupportedExtensions(extensions);
+#endif
 
     QString rv;
     for (std::set<QString>::const_iterator i = extensions.begin();
@@ -73,7 +77,7 @@
 {
     QString err;
 
-//    SVDEBUG << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\"): Requested rate: " << targetRate << endl;
+    SVDEBUG << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\"): Requested rate: " << targetRate << endl;
 
     if (!source.isOK()) {
         std::cerr << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\": Failed to retrieve source (transmission error?): " << source.getErrorString() << std::endl;
@@ -175,6 +179,26 @@
     }
 #endif
 
+#ifdef HAVE_COREAUDIO
+    if (!reader) {
+        if (CoreAudioFileReader::supports(source)) {
+            reader = new CoreAudioFileReader
+                (source,
+                 threading ?
+                 CoreAudioFileReader::DecodeThreaded :
+                 CoreAudioFileReader::DecodeAtOnce,
+                 CoreAudioFileReader::CacheInTemporaryFile,
+                 targetRate,
+                 reporter);
+            if (!reader->isOK()) {
+                delete reader;
+                reader = 0;
+            }
+        }
+    }
+#endif
+
+
     // If none of the readers claimed to support this file extension,
     // perhaps the extension is missing or misleading.  Try again,
     // ignoring it.  We have to be confident that the reader won't
@@ -264,9 +288,30 @@
     }
 #endif
 
+#ifdef HAVE_COREAUDIO
+
+    std::cerr << "AudioFileReaderFactory: HAVE_COREAUDIO" << std::endl;
+
+    if (!reader) {
+        reader = new CoreAudioFileReader
+            (source,
+             threading ?
+             CoreAudioFileReader::DecodeThreaded :
+             CoreAudioFileReader::DecodeAtOnce,
+             CoreAudioFileReader::CacheInTemporaryFile,
+             targetRate,
+             reporter);
+
+        if (!reader->isOK()) {
+            delete reader;
+            reader = 0;
+        }
+    }
+#endif
+
     if (reader) {
         if (reader->isOK()) {
-//            std::cerr << "AudioFileReaderFactory: Reader is OK" << std::endl;
+            std::cerr << "AudioFileReaderFactory: Reader is OK" << std::endl;
             return reader;
         }
         std::cerr << "AudioFileReaderFactory: Preferred reader for "
diff -r f5aeda36d5bd -r 523e97d0f6eb data/fileio/CodedAudioFileReader.cpp
--- a/data/fileio/CodedAudioFileReader.cpp	Tue Aug 21 13:29:13 2012 +0100
+++ b/data/fileio/CodedAudioFileReader.cpp	Mon Sep 03 11:06:50 2012 +0100
@@ -41,7 +41,7 @@
     m_resampler(0),
     m_resampleBuffer(0)
 {
-//    SVDEBUG << "CodedAudioFileReader::CodedAudioFileReader: rate " << targetRate << endl;
+    SVDEBUG << "CodedAudioFileReader::CodedAudioFileReader: rate " << targetRate << endl;
 
     m_frameCount = 0;
     m_sampleRate = targetRate;
@@ -55,7 +55,7 @@
 
     if (m_cacheFileWritePtr) sf_close(m_cacheFileWritePtr);
 
-//    SVDEBUG << "CodedAudioFileReader::~CodedAudioFileReader: deleting cache file reader" << endl;
+    SVDEBUG << "CodedAudioFileReader::~CodedAudioFileReader: deleting cache file reader" << endl;
 
     delete m_cacheFileReader;
     delete[] m_cacheWriteBuffer;
@@ -73,7 +73,7 @@
 void
 CodedAudioFileReader::startSerialised(QString id)
 {
-//    SVDEBUG << "CodedAudioFileReader::startSerialised(" << id << ")" << endl;
+    SVDEBUG << "CodedAudioFileReader::startSerialised(" << id << ")" << endl;
 
     delete m_serialiser;
     m_serialiser = new Serialiser(id);
@@ -82,7 +82,7 @@
 void
 CodedAudioFileReader::endSerialised()
 {
-//    std::cerr << "CodedAudioFileReader(" << this << ")::endSerialised: id = " << (m_serialiser ? m_serialiser->getId().toStdString() : "(none)") << std::endl;
+    std::cerr << "CodedAudioFileReader(" << this << ")::endSerialised: id = " << (m_serialiser ? m_serialiser->getId().toStdString() : "(none)") << std::endl;
 
     delete m_serialiser;
     m_serialiser = 0;
@@ -93,7 +93,7 @@
 {
     QMutexLocker locker(&m_cacheMutex);
 
-//    SVDEBUG << "CodedAudioFileReader::initialiseDecodeCache: file rate = " << m_fileRate << endl;
+    SVDEBUG << "CodedAudioFileReader::initialiseDecodeCache: file rate = " << m_fileRate << endl;
 
     if (m_fileRate == 0) {
         SVDEBUG << "CodedAudioFileReader::initialiseDecodeCache: ERROR: File sample rate unknown (bug in subclass implementation?)" << endl;
diff -r f5aeda36d5bd -r 523e97d0f6eb data/fileio/CoreAudioFileReader.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/data/fileio/CoreAudioFileReader.cpp	Mon Sep 03 11:06:50 2012 +0100
@@ -0,0 +1,291 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006-2007 Chris Cannam and QMUL.
+
+    Based on QTAudioFile.cpp from SoundBite, copyright 2006
+    Chris Sutton and Mark Levy.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+ */
+
+#ifdef HAVE_COREAUDIO
+
+#include "CoreAudioFileReader.h"
+#include "base/Profiler.h"
+#include "base/ProgressReporter.h"
+#include "system/System.h"
+
+#include <QFileInfo>
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+#include <AudioToolbox/AudioToolbox.h>
+#include <AudioToolbox/ExtendedAudioFile.h>
+#else
+#include "AudioToolbox.h"
+#include "ExtendedAudioFile.h"
+#endif
+
+class CoreAudioFileReader::D
+{
+public:
+    D() : blockSize(1024) { }
+
+    ExtAudioFileRef file;
+    AudioBufferList buffer;
+    OSStatus err;
+    AudioStreamBasicDescription asbd;
+    int blockSize;
+};
+
+static QString
+codestr(OSStatus err)
+{
+    char text[5];
+    UInt32 uerr = err;
+    text[0] = (uerr >> 24) & 0xff;
+    text[1] = (uerr >> 16) & 0xff;
+    text[2] = (uerr >> 8) & 0xff;
+    text[3] = (uerr) & 0xff;
+    text[4] = '\0';
+    return QString("%1 (%2)").arg(err).arg(QString::fromAscii(text));
+}
+
+CoreAudioFileReader::CoreAudioFileReader(FileSource source,
+                                         DecodeMode decodeMode,
+                                         CacheMode mode,
+                                         size_t targetRate,
+                                         ProgressReporter *reporter) :
+    CodedAudioFileReader(mode, targetRate),
+    m_source(source),
+    m_path(source.getLocalFilename()),
+    m_d(new D),
+    m_reporter(reporter),
+    m_cancelled(false),
+    m_completion(0),
+    m_decodeThread(0)
+{
+    m_channelCount = 0;
+    m_fileRate = 0;
+
+    Profiler profiler("CoreAudioFileReader::CoreAudioFileReader", true);
+
+    std::cerr << "CoreAudioFileReader: path is \"" << m_path.toStdString() << "\"" << std::endl;
+
+    QByteArray ba = m_path.toLocal8Bit();
+
+    CFURLRef url = CFURLCreateFromFileSystemRepresentation
+        (kCFAllocatorDefault,
+         (const UInt8 *)ba.data(),
+         (CFIndex)ba.length(),
+         false);
+
+    //!!! how do we find out if the file open fails because of DRM protection?
+
+#if (MACOSX_DEPLOYMENT_TARGET <= 1040 && MAC_OS_X_VERSION_MIN_REQUIRED <= 1040)
+    FSRef fsref;
+    if (!CFURLGetFSRef(url, &fsref)) { // returns Boolean, not error code
+        m_error = "CoreAudioReadStream: Error looking up FS ref (file not found?)";
+        return;
+    }
+    m_d->err = ExtAudioFileOpen(&fsref, &m_d->file);
+#else
+    m_d->err = ExtAudioFileOpenURL(url, &m_d->file);
+#endif
+
+    CFRelease(url);
+
+    if (m_d->err) { 
+        m_error = "CoreAudioReadStream: Error opening file: code " + codestr(m_d->err);
+        return;
+    }
+    if (!m_d->file) { 
+        m_error = "CoreAudioReadStream: Failed to open file, but no error reported!";
+        return;
+    }
+    
+    UInt32 propsize = sizeof(AudioStreamBasicDescription);
+    m_d->err = ExtAudioFileGetProperty
+	(m_d->file, kExtAudioFileProperty_FileDataFormat, &propsize, &m_d->asbd);
+    
+    if (m_d->err) {
+        m_error = "CoreAudioReadStream: Error in getting basic description: code " + codestr(m_d->err);
+        return;
+    }
+	
+    m_channelCount = m_d->asbd.mChannelsPerFrame;
+    m_sampleRate = m_d->asbd.mSampleRate;
+
+    std::cerr << "CoreAudioReadStream: " << m_channelCount << " channels, " << m_sampleRate << " Hz" << std::endl;
+
+    m_d->asbd.mSampleRate = getSampleRate();
+
+    m_d->asbd.mFormatID = kAudioFormatLinearPCM;
+    m_d->asbd.mFormatFlags =
+        kAudioFormatFlagIsFloat |
+        kAudioFormatFlagIsPacked |
+        kAudioFormatFlagsNativeEndian;
+    m_d->asbd.mBitsPerChannel = sizeof(float) * 8;
+    m_d->asbd.mBytesPerFrame = sizeof(float) * m_channelCount;
+    m_d->asbd.mBytesPerPacket = sizeof(float) * m_channelCount;
+    m_d->asbd.mFramesPerPacket = 1;
+    m_d->asbd.mReserved = 0;
+	
+    m_d->err = ExtAudioFileSetProperty
+	(m_d->file, kExtAudioFileProperty_ClientDataFormat, propsize, &m_d->asbd);
+    
+    if (m_d->err) {
+        m_error = "CoreAudioReadStream: Error in setting client format: code " + codestr(m_d->err);
+        return;
+    }
+
+    m_d->buffer.mNumberBuffers = 1;
+    m_d->buffer.mBuffers[0].mNumberChannels = m_channelCount;
+    m_d->buffer.mBuffers[0].mDataByteSize = sizeof(float) * m_channelCount * m_d->blockSize;
+    m_d->buffer.mBuffers[0].mData = new float[m_channelCount * m_d->blockSize];
+
+    initialiseDecodeCache();
+
+    if (m_reporter) {
+        connect(m_reporter, SIGNAL(cancelled()), this, SLOT(cancelled()));
+        m_reporter->setMessage
+            (tr("Decoding %1...").arg(QFileInfo(m_path).fileName()));
+    }
+
+    while (1) {
+
+        UInt32 framesRead = m_d->blockSize;
+        m_d->err = ExtAudioFileRead(m_d->file, &framesRead, &m_d->buffer);
+
+        if (m_d->err) {
+            m_error = QString("Error in CoreAudio decoding: code %1")
+                .arg(m_d->err);
+            break;
+        }
+
+        //!!! progress?
+
+        //    std::cerr << "Read " << framesRead << " frames (block size " << m_d->blockSize << ")" << std::endl;
+
+        // buffers are interleaved unless specified otherwise
+        addSamplesToDecodeCache((float *)m_d->buffer.mBuffers[0].mData, framesRead);
+
+        if (framesRead < m_d->blockSize) break;
+    }
+
+    finishDecodeCache();
+    endSerialised();
+
+    m_completion = 100;
+
+    ExtAudioFileDispose(m_d->file);
+}
+
+
+CoreAudioFileReader::~CoreAudioFileReader()
+{
+    std::cerr << "CoreAudioFileReader::~CoreAudioFileReader" << std::endl;
+    delete[] m_d->buffer.mBuffers[0].mData;
+    delete m_d;
+}
+
+void
+CoreAudioFileReader::cancelled()
+{
+  m_cancelled = true;
+}
+
+/*
+void
+CoreAudioFileReader::DecodeThread::run()
+{
+  if (m_reader->m_cacheMode == CacheInTemporaryFile) {
+      m_reader->m_completion = 1;
+      m_reader->startSerialised("QuickTimeFileReader::Decode");
+  }
+
+  while (1) {
+
+      UInt32 framesRead = m_reader->m_d->blockSize;
+      UInt32 extractionFlags = 0;
+      m_reader->m_d->err = MovieAudioExtractionFillBuffer
+          (m_reader->m_d->extractionSessionRef, &framesRead,
+              &m_reader->m_d->buffer, &extractionFlags);
+      if (m_reader->m_d->err) {
+          m_reader->m_error = QString("Error in QuickTime decoding: code %1")
+                                    .arg(m_reader->m_d->err);
+          break;
+      }
+
+      // QuickTime buffers are interleaved unless specified otherwise
+      m_reader->addSamplesToDecodeCache(m_reader->m_d->data, framesRead);
+
+      if (framesRead < m_reader->m_d->blockSize) break;
+  }
+
+  m_reader->finishDecodeCache();
+
+  m_reader->m_d->err = MovieAudioExtractionEnd(m_reader->m_d->extractionSessionRef);
+  if (m_reader->m_d->err) {
+      m_reader->m_error = QString("Error ending QuickTime extraction session: code %1").arg(m_reader->m_d->err);
+  }
+
+  m_reader->m_completion = 100;
+  m_reader->endSerialised();
+} 
+*/
+
+
+void
+CoreAudioFileReader::getSupportedExtensions(std::set<QString> &extensions)
+{
+    extensions.insert("aiff");
+    extensions.insert("aif");
+    extensions.insert("au");
+    extensions.insert("avi");
+    extensions.insert("m4a");
+    extensions.insert("m4b");
+    extensions.insert("m4p");
+    extensions.insert("m4v");
+    extensions.insert("mov");
+    extensions.insert("mp3");
+    extensions.insert("mp4");
+    extensions.insert("wav");
+}
+
+bool
+CoreAudioFileReader::supportsExtension(QString extension)
+{
+    std::set<QString> extensions;
+    getSupportedExtensions(extensions);
+    return (extensions.find(extension.toLower()) != extensions.end());
+}
+
+bool
+CoreAudioFileReader::supportsContentType(QString type)
+{
+    return (type == "audio/x-aiff" ||
+            type == "audio/x-wav" ||
+            type == "audio/mpeg" ||
+            type == "audio/basic" ||
+            type == "audio/x-aac" ||
+            type == "video/mp4" ||
+            type == "video/quicktime");
+}
+
+bool
+CoreAudioFileReader::supports(FileSource &source)
+{
+    return (supportsExtension(source.getExtension()) ||
+            supportsContentType(source.getContentType()));
+}
+
+#endif
+
diff -r f5aeda36d5bd -r 523e97d0f6eb data/fileio/CoreAudioFileReader.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/data/fileio/CoreAudioFileReader.h	Mon Sep 03 11:06:50 2012 +0100
@@ -0,0 +1,95 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006-2007 Chris Cannam and QMUL.
+
+    Based in part on QTAudioFile.h from SoundBite, copyright 2006
+    Chris Sutton and Mark Levy.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _COREAUDIO_FILE_READER_H_
+#define _COREAUDIO_FILE_READER_H_
+
+#ifdef HAVE_COREAUDIO
+
+#include "CodedAudioFileReader.h"
+
+#include "base/Thread.h"
+
+#include <set>
+
+class ProgressReporter;
+
+class CoreAudioFileReader : public CodedAudioFileReader
+{
+    Q_OBJECT
+
+public:
+    enum DecodeMode {
+        DecodeAtOnce, // decode the file on construction, with progress
+        DecodeThreaded // decode in a background thread after construction
+    };
+
+    CoreAudioFileReader(FileSource source,
+                        DecodeMode decodeMode,
+                        CacheMode cacheMode,
+                        size_t targetRate = 0,
+                        ProgressReporter *reporter = 0);
+    virtual ~CoreAudioFileReader();
+
+    virtual QString getError() const { return m_error; }
+    virtual QString getLocation() const { return m_source.getLocation(); }
+    virtual QString getTitle() const { return m_title; }
+    
+    static void getSupportedExtensions(std::set<QString> &extensions);
+    static bool supportsExtension(QString ext);
+    static bool supportsContentType(QString type);
+    static bool supports(FileSource &source);
+
+    virtual int getDecodeCompletion() const { return m_completion; }
+
+    virtual bool isUpdating() const {
+        return m_decodeThread && m_decodeThread->isRunning();
+    }
+
+public slots:
+    void cancelled();
+
+protected:
+    FileSource m_source;
+    QString m_path;
+    QString m_error;
+    QString m_title;
+
+    class D;
+    D *m_d;
+
+    ProgressReporter *m_reporter;
+    bool m_cancelled;
+    int m_completion;
+
+    class DecodeThread : public Thread
+    {
+    public:
+       // DecodeThread(QuickTimeFileReader *reader) : m_reader(reader) { }
+        virtual void run();
+
+    protected:
+       // QuickTimeFileReader *m_reader;
+    };
+
+    DecodeThread *m_decodeThread;
+};
+
+#endif
+
+#endif
diff -r f5aeda36d5bd -r 523e97d0f6eb svcore.pro
--- a/svcore.pro	Tue Aug 21 13:29:13 2012 +0100
+++ b/svcore.pro	Mon Sep 03 11:06:50 2012 +0100
@@ -120,6 +120,7 @@
            data/fileio/OggVorbisFileReader.h \
            data/fileio/PlaylistFileReader.h \
            data/fileio/QuickTimeFileReader.h \
+           data/fileio/CoreAudioFileReader.h \
            data/fileio/ResamplingWavFileReader.h \
            data/fileio/WavFileReader.h \
            data/fileio/WavFileWriter.h \
@@ -179,6 +180,7 @@
            data/fileio/OggVorbisFileReader.cpp \
            data/fileio/PlaylistFileReader.cpp \
            data/fileio/QuickTimeFileReader.cpp \
+           data/fileio/CoreAudioFileReader.cpp \
            data/fileio/ResamplingWavFileReader.cpp \
            data/fileio/WavFileReader.cpp \
            data/fileio/WavFileWriter.cpp \