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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | e2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch) | |
tree | 9047cf9e6b5c43878d5bf82660adae77ceee097a /kfile-plugins/wav | |
download | tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kfile-plugins/wav')
-rw-r--r-- | kfile-plugins/wav/Makefile.am | 22 | ||||
-rw-r--r-- | kfile-plugins/wav/kfile_wav.cpp | 173 | ||||
-rw-r--r-- | kfile-plugins/wav/kfile_wav.desktop | 67 | ||||
-rw-r--r-- | kfile-plugins/wav/kfile_wav.h | 37 |
4 files changed, 299 insertions, 0 deletions
diff --git a/kfile-plugins/wav/Makefile.am b/kfile-plugins/wav/Makefile.am new file mode 100644 index 00000000..0a533384 --- /dev/null +++ b/kfile-plugins/wav/Makefile.am @@ -0,0 +1,22 @@ +## Makefile.am for wav file meta info plugin + +# set the include path for X, qt and KDE +INCLUDES = $(all_includes) + +# these are the headers for your project +noinst_HEADERS = kfile_wav.h + +kde_module_LTLIBRARIES = kfile_wav.la + +kfile_wav_la_SOURCES = kfile_wav.cpp +kfile_wav_la_LDFLAGS = $(all_libraries) -module $(KDE_PLUGIN) +kfile_wav_la_LIBADD = $(LIB_KIO) + +# let automoc handle all of the meta source files (moc) +METASOURCES = AUTO + +messages: rc.cpp + $(XGETTEXT) kfile_wav.cpp -o $(podir)/kfile_wav.pot + +services_DATA = kfile_wav.desktop +servicesdir = $(kde_servicesdir) diff --git a/kfile-plugins/wav/kfile_wav.cpp b/kfile-plugins/wav/kfile_wav.cpp new file mode 100644 index 00000000..4eda7bce --- /dev/null +++ b/kfile-plugins/wav/kfile_wav.cpp @@ -0,0 +1,173 @@ +/* This file is part of the KDE project + * Copyright (C) 2002 Ryan Cumming <bodnar42@phalynx.dhs.org> + * + * 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 version 2. + * + * This program 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +#include <config.h> +#include "kfile_wav.h" + +#include <kprocess.h> +#include <klocale.h> +#include <kgenericfactory.h> +#include <kstringvalidator.h> +#include <kdebug.h> + +#include <qdict.h> +#include <qvalidator.h> +#include <qcstring.h> +#include <qfile.h> +#include <qdatetime.h> + +#if !defined(__osf__) +#include <inttypes.h> +#else +typedef unsigned short uint16_t; +typedef unsigned int uint32_t; +#endif + +typedef KGenericFactory<KWavPlugin> WavFactory; + +K_EXPORT_COMPONENT_FACTORY(kfile_wav, WavFactory( "kfile_wav" )) + +KWavPlugin::KWavPlugin(QObject *parent, const char *name, + const QStringList &args) + + : KFilePlugin(parent, name, args) +{ + KFileMimeTypeInfo* info = addMimeTypeInfo( "audio/x-wav" ); + + KFileMimeTypeInfo::GroupInfo* group = 0L; + + // "the" group + group = addGroupInfo(info, "Technical", i18n("Technical Details")); + + KFileMimeTypeInfo::ItemInfo* item; + + item = addItemInfo(group, "Sample Size", i18n("Sample Size"), QVariant::Int); + setSuffix(item, i18n(" bits")); + + item = addItemInfo(group, "Sample Rate", i18n("Sample Rate"), QVariant::Int); + setSuffix(item, i18n(" Hz")); + + item = addItemInfo(group, "Channels", i18n("Channels"), QVariant::Int); + + item = addItemInfo(group, "Length", i18n("Length"), QVariant::Int); + setAttributes(item, KFileMimeTypeInfo::Cummulative); + setUnit(item, KFileMimeTypeInfo::Seconds); +} + +bool KWavPlugin::readInfo( KFileMetaInfo& info, uint /*what*/) +{ + if ( info.path().isEmpty() ) // remote file + return false; + + QFile file(info.path()); + + uint32_t format_size; + uint16_t format_tag; + uint16_t channel_count; + uint32_t sample_rate; + uint32_t bytes_per_second; + uint16_t bytes_per_sample; + uint16_t sample_size; + uint32_t data_size; + uint32_t unknown_chunk_size; + uint16_t unknown_chunk16; + bool have_fmt = false; + bool have_data = false; + QIODevice::Offset file_length; + + const char *riff_signature = "RIFF"; + const char *wav_signature = "WAVE"; + const char *fmt_signature = "fmt "; + const char *data_signature = "data"; + char signature_buffer[4]; + + if (!file.open(IO_ReadOnly)) + { + kdDebug(7034) << "Couldn't open " << QFile::encodeName(info.path()) << endl; + return false; + } + + file_length = file.size() - 100; // a bit of insurance + QDataStream dstream(&file); + + // WAV files are little-endian + dstream.setByteOrder(QDataStream::LittleEndian); + + // Read and verify the RIFF signature + dstream.readRawBytes(signature_buffer, 4); + if (memcmp(signature_buffer, riff_signature, 4)) + return false; + + // Skip the next bit (total file size, pretty useless) + file.at(8); + + // Read and verify the WAVE signature + dstream.readRawBytes(signature_buffer, 4); + if (memcmp(signature_buffer, wav_signature, 4)) + return false; + + // pretty dumb scanner, but better than what we had! + do + { + dstream.readRawBytes(signature_buffer, 4); + if (!memcmp(signature_buffer, fmt_signature, 4)) { + dstream >> format_size; + dstream >> format_tag; + dstream >> channel_count; + dstream >> sample_rate; + dstream >> bytes_per_second; + dstream >> bytes_per_sample; + dstream >> sample_size; + have_fmt = true; + if ( format_size > 16 ) { + for (unsigned int i = 0; i < (format_size-16+1)/2; i++) + dstream >> unknown_chunk16; + } + } else if (!memcmp(signature_buffer, data_signature, 4)) { + dstream >> data_size; + have_data = true; + } else { + dstream >> unknown_chunk_size; + for (unsigned int i = 0; i < (unknown_chunk_size+1)/2; i++) + dstream >> unknown_chunk16; + } + if (have_data && have_fmt) + break; + } while (file.at() < file_length); + + if ( (!have_data) || (!have_fmt) ) + return false; + + // These values are downright illegal + if ((!channel_count) || (!bytes_per_second)) + return false; + + KFileMetaInfoGroup group = appendGroup(info, "Technical"); + + + appendItem(group, "Sample Size", int(sample_size)); + appendItem(group, "Sample Rate", int(sample_rate)); + appendItem(group, "Channels", int(channel_count)); + unsigned int wav_seconds = data_size / bytes_per_second; + appendItem(group, "Length", int(wav_seconds)); + + return true; +} + +#include "kfile_wav.moc" diff --git a/kfile-plugins/wav/kfile_wav.desktop b/kfile-plugins/wav/kfile_wav.desktop new file mode 100644 index 00000000..c25e8b8f --- /dev/null +++ b/kfile-plugins/wav/kfile_wav.desktop @@ -0,0 +1,67 @@ +[Desktop Entry] +Type=Service +Name=WAV Info +Name[af]=Wav Inligting +Name[ar]=معلومات WAV +Name[bg]=Информация за WAV +Name[br]=Titouroù WAV +Name[bs]=WAV informacije +Name[ca]=Informació WAV +Name[cs]=WAV info +Name[cy]=Gwybodaeth WAV +Name[da]=WAV-info +Name[de]=WAV-Info +Name[el]=Πληροφορίες WAV +Name[eo]=WAV-informo +Name[es]=Info WAV +Name[et]=WAV info +Name[eu]=WAV informazioa +Name[fa]=اطلاعات WAV +Name[fi]=WAV-tiedot +Name[fr]=Informations Wave +Name[gl]=Información WAV +Name[he]=מידע WAV +Name[hi]=WAV जानकारी +Name[hr]=Informacije o WAV datoteci +Name[hu]=WAV-jellemzők +Name[is]=WAV upplýsingar +Name[it]=Informazioni WAV +Name[ja]=WAV 情報 +Name[kk]=WAV мәліметі +Name[km]=ព័ត៌មាន WAV +Name[ko]=WAV 정보 +Name[lt]=WAV informacija +Name[mk]=WAV информации +Name[nb]=WAV informasjon +Name[nds]=WAV-Info +Name[ne]=वाभ सूचना +Name[nl]=WAV-informatie +Name[nn]=WAV-info +Name[pa]=WAV ਜਾਣਕਾਰੀ +Name[pl]=Informacja o pliku WAV +Name[pt]=Informação do WAV +Name[pt_BR]=Informação sobre WAV +Name[ro]=Informaţii WAV +Name[ru]=Сведения о WAV +Name[se]=WAV-dieđut +Name[sl]=Podatki o WAV +Name[sr]=Информације о WAV-у +Name[sr@Latn]=Informacije o WAV-u +Name[sv]=Wav-information +Name[ta]=WAV தகவல் +Name[tg]=WAV Ахборот +Name[th]=ข้อมูล WAV +Name[tr]=WAV Bilgisi +Name[uk]=Інформація по WAV +Name[uz]=WAV haqida maʼlumot +Name[uz@cyrillic]=WAV ҳақида маълумот +Name[xh]=MAV Ulwazi +Name[zh_CN]=WAV 信息 +Name[zh_HK]=WAV 資訊 +Name[zh_TW]=WAV 資訊 +Name[zu]=Ulwazi lwe WAV +ServiceTypes=KFilePlugin +X-KDE-Library=kfile_wav +MimeType=audio/x-wav +PreferredGrous=Technical +PreferredItems=Length,Sample Rate,Sample Size,Channels diff --git a/kfile-plugins/wav/kfile_wav.h b/kfile-plugins/wav/kfile_wav.h new file mode 100644 index 00000000..318ee2f5 --- /dev/null +++ b/kfile-plugins/wav/kfile_wav.h @@ -0,0 +1,37 @@ +/* This file is part of the KDE project + * Copyright (C) 2002 Ryan Cumming <bodnar42@phalynx.dhs.org> + * + * 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 version 2. + * + * This program 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +#ifndef __KFILE_WAV_H__ +#define __KFILE_WAV_H__ + +#include <kfilemetainfo.h> + +class QStringList; + +class KWavPlugin: public KFilePlugin +{ + Q_OBJECT + +public: + KWavPlugin( QObject *parent, const char *name, const QStringList& args ); + + virtual bool readInfo( KFileMetaInfo& info, uint what); +}; + +#endif |