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-rw-r--r--plugins/decoder/musepack/Makefile.am16
-rw-r--r--plugins/decoder/musepack/configure.in.bot12
-rw-r--r--plugins/decoder/musepack/configure.in.in52
-rw-r--r--plugins/decoder/musepack/k3bmpcdecoder.cpp111
-rw-r--r--plugins/decoder/musepack/k3bmpcdecoder.h62
-rw-r--r--plugins/decoder/musepack/k3bmpcdecoder.plugin9
-rw-r--r--plugins/decoder/musepack/k3bmpcwrapper.cpp193
-rw-r--r--plugins/decoder/musepack/k3bmpcwrapper.h58
8 files changed, 513 insertions, 0 deletions
diff --git a/plugins/decoder/musepack/Makefile.am b/plugins/decoder/musepack/Makefile.am
new file mode 100644
index 0000000..beb7d63
--- /dev/null
+++ b/plugins/decoder/musepack/Makefile.am
@@ -0,0 +1,16 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/plugin \
+ -I$(srcdir)/../../../libk3b/core \
+ -I$(srcdir)/../../../libk3bdevice \
+ $(all_includes)
+
+kde_module_LTLIBRARIES = libk3bmpcdecoder.la
+
+libk3bmpcdecoder_la_SOURCES = k3bmpcdecoder.cpp k3bmpcwrapper.cpp
+
+libk3bmpcdecoder_la_LIBADD = ../../../libk3b/libk3b.la $(MPC_LIBS)
+libk3bmpcdecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3bmpcdecoder.plugin
+
+METASOURCES = AUTO
diff --git a/plugins/decoder/musepack/configure.in.bot b/plugins/decoder/musepack/configure.in.bot
new file mode 100644
index 0000000..8fb871b
--- /dev/null
+++ b/plugins/decoder/musepack/configure.in.bot
@@ -0,0 +1,12 @@
+echo ""
+
+if test x$have_mpc = xyes; then
+ echo "K3b - Musepack support: yes"
+else
+ echo "K3b - Musepack support: no"
+if test "$ac_cv_use_mpc" = "yes"; then
+ echo "K3b - You are missing the Musepack headers and libraries >= 1.1."
+ echo "K3b - The Musepack audio decoding plugin won't be compiled."
+fi
+fi
+
diff --git a/plugins/decoder/musepack/configure.in.in b/plugins/decoder/musepack/configure.in.in
new file mode 100644
index 0000000..42d24c0
--- /dev/null
+++ b/plugins/decoder/musepack/configure.in.in
@@ -0,0 +1,52 @@
+dnl --------- MUSEPACK CHECK ---------------
+
+AC_ARG_WITH(
+ musepack,
+ AS_HELP_STRING(
+ [--without-musepack],
+ [build K3b without Musepack audio support (default=no)]),
+ [ac_cv_use_mpc=$withval],
+ [ac_cv_use_mpc=yes]
+)
+
+have_mpc=no
+if test "$ac_cv_use_mpc" = "yes"; then
+
+ dnl - search for both the new and the old naming -
+
+ KDE_CHECK_HEADERS(mpcdec/mpcdec.h, [
+ AC_CHECK_LIB(mpcdec, mpc_decoder_setup, [
+ have_mpc=yes
+ MPC_LIBS="-lmpcdec"
+ AC_DEFINE(
+ MPC_HEADER_FILE,
+ <mpcdec/mpcdec.h>,
+ [The header to include for MPC decoding.])
+ ],
+ [], [], [])
+ ])
+
+ if test "$have_mpc" = "no"; then
+ KDE_CHECK_HEADERS(musepack/musepack.h, [
+ AC_CHECK_LIB(musepack, mpc_decoder_setup, [
+ have_mpc=yes
+ MPC_LIBS="-lmusepack"
+ AC_DEFINE(
+ MPC_HEADER_FILE,
+ <musepack/musepack.h>,
+ [The header to include for MPC decoding.]
+ )
+ AC_DEFINE(
+ mpc_bool_t,
+ BOOL,
+ [backwards compatibility stuff]
+ )
+ ], [], [])
+ ])
+ fi
+fi
+AC_SUBST(MPC_LIBS)
+
+AM_CONDITIONAL(include_MPC, [test x$have_mpc = xyes])
+
+dnl --------- MUSEPACK CHECK END -----------
diff --git a/plugins/decoder/musepack/k3bmpcdecoder.cpp b/plugins/decoder/musepack/k3bmpcdecoder.cpp
new file mode 100644
index 0000000..0cdf644
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcdecoder.cpp
@@ -0,0 +1,111 @@
+/*
+ *
+ * $Id: k3bmpcdecoder.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * 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" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3bmpcdecoder.h"
+#include "k3bmpcwrapper.h"
+
+#include <k3bpluginfactory.h>
+
+#include <klocale.h>
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3bmpcdecoder, K3bPluginFactory<K3bMpcDecoderFactory>( "libk3bmpcdecoder" ) )
+
+
+K3bMpcDecoderFactory::K3bMpcDecoderFactory( QObject* parent, const char* name )
+ : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bMpcDecoderFactory::~K3bMpcDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bMpcDecoderFactory::createDecoder( QObject* parent,
+ const char* name ) const
+{
+ return new K3bMpcDecoder( parent, name );
+}
+
+
+bool K3bMpcDecoderFactory::canDecode( const KURL& url )
+{
+ K3bMpcWrapper w;
+ return w.open( url.path() );
+}
+
+
+
+
+
+
+K3bMpcDecoder::K3bMpcDecoder( QObject* parent, const char* name )
+ : K3bAudioDecoder( parent, name )
+{
+ m_mpc = new K3bMpcWrapper();
+}
+
+
+K3bMpcDecoder::~K3bMpcDecoder()
+{
+ delete m_mpc;
+}
+
+
+QString K3bMpcDecoder::fileType() const
+{
+ return i18n("Musepack");
+}
+
+
+bool K3bMpcDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+ if( m_mpc->open( filename() ) ) {
+ frames = m_mpc->length();
+ samplerate = m_mpc->samplerate();
+ ch = m_mpc->channels();
+
+ // call addTechnicalInfo and addMetaInfo here
+
+ return true;
+ }
+ else
+ return false;
+}
+
+
+bool K3bMpcDecoder::initDecoderInternal()
+{
+ return m_mpc->open( filename() );
+}
+
+
+bool K3bMpcDecoder::seekInternal( const K3b::Msf& msf )
+{
+ return m_mpc->seek( msf );
+}
+
+
+int K3bMpcDecoder::decodeInternal( char* _data, int maxLen )
+{
+ return m_mpc->decode( _data, maxLen );
+}
+
+
+#include "k3bmpcdecoder.moc"
diff --git a/plugins/decoder/musepack/k3bmpcdecoder.h b/plugins/decoder/musepack/k3bmpcdecoder.h
new file mode 100644
index 0000000..74dc509
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcdecoder.h
@@ -0,0 +1,62 @@
+/*
+ *
+ * $Id: k3bmpcdecoder.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * 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" for the exact licensing terms.
+ */
+
+#ifndef _K3B_MPC_DECODER_H_
+#define _K3B_MPC_DECODER_H_
+
+#include <k3baudiodecoder.h>
+
+class K3bMpcWrapper;
+
+
+class K3bMpcDecoderFactory : public K3bAudioDecoderFactory
+{
+ Q_OBJECT
+
+ public:
+ K3bMpcDecoderFactory( QObject* parent = 0, const char* name = 0 );
+ ~K3bMpcDecoderFactory();
+
+ bool canDecode( const KURL& filename );
+
+ int pluginSystemVersion() const { return 3; }
+
+ K3bAudioDecoder* createDecoder( QObject* parent = 0,
+ const char* name = 0 ) const;
+};
+
+
+class K3bMpcDecoder : public K3bAudioDecoder
+{
+ Q_OBJECT
+
+ public:
+ K3bMpcDecoder( QObject* parent = 0, const char* name = 0 );
+ ~K3bMpcDecoder();
+
+ QString fileType() const;
+
+ protected:
+ bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+ bool initDecoderInternal();
+ bool seekInternal( const K3b::Msf& );
+
+ int decodeInternal( char* _data, int maxLen );
+
+ private:
+ K3bMpcWrapper* m_mpc;
+};
+
+#endif
diff --git a/plugins/decoder/musepack/k3bmpcdecoder.plugin b/plugins/decoder/musepack/k3bmpcdecoder.plugin
new file mode 100644
index 0000000..6e350dc
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcdecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3bmpcdecoder
+Group=AudioDecoder
+Name=K3b Musepack Decoder
+Author=Sebastian Trueg
[email protected]
+Version=1.0
+Comment=Decoding module to decode Musepack audio files
+License=GPL
diff --git a/plugins/decoder/musepack/k3bmpcwrapper.cpp b/plugins/decoder/musepack/k3bmpcwrapper.cpp
new file mode 100644
index 0000000..9f54b28
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcwrapper.cpp
@@ -0,0 +1,193 @@
+/*
+ *
+ * $Id: k3bmpcwrapper.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2005 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * 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" for the exact licensing terms.
+ */
+
+#include "k3bmpcwrapper.h"
+
+#include <kdebug.h>
+#include <qfile.h>
+
+
+mpc_int32_t read_impl( void* data, void* ptr, mpc_int32_t size )
+{
+ QFile* input = static_cast<QFile*>( data );
+ return input->readBlock( (char*)ptr, size );
+}
+
+
+mpc_bool_t seek_impl( void* data, mpc_int32_t offset )
+{
+ QFile* input = static_cast<QFile*>( data );
+ return input->at( offset );
+}
+
+mpc_int32_t tell_impl( void* data )
+{
+ QFile* input = static_cast<QFile*>( data );
+ return input->at();
+}
+
+mpc_int32_t get_size_impl( void* data )
+{
+ QFile* input = static_cast<QFile*>( data );
+ return input->size();
+}
+
+mpc_bool_t canseek_impl( void* )
+{
+ return true;
+}
+
+
+#ifdef MPC_FIXED_POINT
+static int shift_signed( MPC_SAMPLE_FORMAT val, int shift )
+{
+ if(shift > 0)
+ val <<= shift;
+ else if(shift < 0)
+ val >>= -shift;
+ return (int) val;
+}
+#endif
+
+
+K3bMpcWrapper::K3bMpcWrapper()
+{
+ m_input = new QFile();
+
+ m_reader = new mpc_reader;
+ m_reader->read = read_impl;
+ m_reader->seek = seek_impl;
+ m_reader->tell = tell_impl;
+ m_reader->get_size = get_size_impl;
+ m_reader->canseek = canseek_impl;
+ m_reader->data = m_input;
+
+ m_decoder = new mpc_decoder;
+
+ m_info = new mpc_streaminfo;
+}
+
+
+K3bMpcWrapper::~K3bMpcWrapper()
+{
+ close();
+
+ delete m_reader;
+ delete m_decoder;
+ delete m_info;
+ delete m_input;
+}
+
+
+bool K3bMpcWrapper::open( const QString& filename )
+{
+ close();
+
+ m_input->setName( filename );
+
+ if( m_input->open( IO_ReadOnly ) ) {
+ mpc_streaminfo_init( m_info );
+ if( mpc_streaminfo_read( m_info, m_reader ) != ERROR_CODE_OK ) {
+ kdDebug() << "(K3bMpcWrapper) Not a valid musepack file: \"" << filename << "\"" << endl;
+ return false;
+ }
+ else {
+ mpc_decoder_setup( m_decoder, m_reader );
+ if( !mpc_decoder_initialize( m_decoder, m_info ) ) {
+ kdDebug() << "(K3bMpcWrapper) failed to initialize the Musepack decoder." << endl;
+ close();
+ return false;
+ }
+ else {
+ kdDebug() << "(K3bMpcWrapper) valid musepack file. "
+ << channels() << " Channels and Samplerate: " << samplerate() << endl;
+ return true;
+ }
+ }
+ }
+ else
+ return false;
+}
+
+
+void K3bMpcWrapper::close()
+{
+ m_input->close();
+}
+
+
+int K3bMpcWrapper::decode( char* data, int max )
+{
+ // FIXME: make this a member variable
+ MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH];
+
+ unsigned int samples = mpc_decoder_decode( m_decoder, sample_buffer, 0, 0 );
+
+ if( samples*channels()*2 > (unsigned int)max ) {
+ kdDebug() << "(K3bMpcWrapper) buffer not big enough." << endl;
+ return -1;
+ }
+
+ static const unsigned int bps = 16;
+ static const int clip_min = -1 << (bps - 1);
+ static const int clip_max = (1 << (bps - 1)) - 1;
+ static const int float_scale = 1 << (bps - 1);
+
+ for( unsigned int n = 0; n < samples*channels(); ++n ) {
+ int val = 0;
+
+#ifdef MPC_FIXED_POINT
+ val = shift_signed( sample_buffer[n],
+ bps - MPC_FIXED_POINT_SCALE_SHIFT);
+#else
+ val = (int)(sample_buffer[n] * float_scale);
+#endif
+
+ if( val < clip_min )
+ val = clip_min;
+ else if( val > clip_max )
+ val = clip_max;
+
+ data[2*n] = (val>>8) & 0xff;
+ data[2*n+1] = val & 0xff;
+ }
+
+ return samples*channels()*2;
+}
+
+
+bool K3bMpcWrapper::seek( const K3b::Msf& msf )
+{
+ return mpc_decoder_seek_seconds( m_decoder, (double)msf.totalFrames()/75.0 );
+}
+
+
+K3b::Msf K3bMpcWrapper::length() const
+{
+ return K3b::Msf::fromSeconds( mpc_streaminfo_get_length( m_info ) );
+}
+
+
+int K3bMpcWrapper::samplerate() const
+{
+ return m_info->sample_freq;
+}
+
+
+unsigned int K3bMpcWrapper::channels() const
+{
+ return m_info->channels;
+}
+
diff --git a/plugins/decoder/musepack/k3bmpcwrapper.h b/plugins/decoder/musepack/k3bmpcwrapper.h
new file mode 100644
index 0000000..743e25f
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcwrapper.h
@@ -0,0 +1,58 @@
+/*
+ *
+ * $Id: k3bmpcwrapper.h 630384 2007-02-05 09:33:17Z mlaurent $
+ * Copyright (C) 2005 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * 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" for the exact licensing terms.
+ */
+
+#ifndef _K3B_MPC_WRAPPER_H_
+#define _K3B_MPC_WRAPPER_H_
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qstring.h>
+
+#include <k3bmsf.h>
+
+#include MPC_HEADER_FILE
+
+class QFile;
+
+
+class K3bMpcWrapper
+{
+ public:
+ K3bMpcWrapper();
+ ~K3bMpcWrapper();
+
+ bool open( const QString& filename );
+ void close();
+
+ int decode( char*, int max );
+
+ bool seek( const K3b::Msf& );
+
+ K3b::Msf length() const;
+ int samplerate() const;
+ unsigned int channels() const;
+
+ QFile* input() const { return m_input; }
+
+ private:
+ QFile* m_input;
+ mpc_reader* m_reader;
+ mpc_decoder* m_decoder;
+ mpc_streaminfo* m_info;
+};
+
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-21 01:32:28 +0000