diff options
Diffstat (limited to 'kfile-plugins/theora')
| -rw-r--r-- | kfile-plugins/theora/Makefile.am | 22 | ||||
| -rw-r--r-- | kfile-plugins/theora/configure.in.bot | 7 | ||||
| -rw-r--r-- | kfile-plugins/theora/configure.in.in | 26 | ||||
| -rw-r--r-- | kfile-plugins/theora/kfile_theora.cpp | 322 | ||||
| -rw-r--r-- | kfile-plugins/theora/kfile_theora.desktop | 60 | ||||
| -rw-r--r-- | kfile-plugins/theora/kfile_theora.h | 42 |
6 files changed, 479 insertions, 0 deletions
diff --git a/kfile-plugins/theora/Makefile.am b/kfile-plugins/theora/Makefile.am new file mode 100644 index 00000000..e2029d87 --- /dev/null +++ b/kfile-plugins/theora/Makefile.am @@ -0,0 +1,22 @@ +## Makefile.am for ogg/vorbis 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_theora.h + +kde_module_LTLIBRARIES = kfile_theora.la + +kfile_theora_la_SOURCES = kfile_theora.cpp +kfile_theora_la_LDFLAGS = $(all_libraries) -module $(KDE_PLUGIN) +kfile_theora_la_LIBADD = $(LIB_KIO) -logg -lvorbis -ltheora + +# let automoc handle all of the meta source files (moc) +METASOURCES = AUTO + +messages: rc.cpp + $(XGETTEXT) kfile_theora.cpp -o $(podir)/kfile_theora.pot + +services_DATA = kfile_theora.desktop +servicesdir = $(kde_servicesdir) diff --git a/kfile-plugins/theora/configure.in.bot b/kfile-plugins/theora/configure.in.bot new file mode 100644 index 00000000..926a39e9 --- /dev/null +++ b/kfile-plugins/theora/configure.in.bot @@ -0,0 +1,7 @@ +if test "x$with_theora" = xcheck && test "x$have_theora" = xno; then + echo "" + echo "Ogg Theora support was not found." + echo "a KFile-plugin for displaying Ogg Theora Information" + echo "has been disabled from compilation." + all_tests=bad +fi diff --git a/kfile-plugins/theora/configure.in.in b/kfile-plugins/theora/configure.in.in new file mode 100644 index 00000000..b9d8836d --- /dev/null +++ b/kfile-plugins/theora/configure.in.in @@ -0,0 +1,26 @@ +AC_DEFUN([KDE_CHECK_THEORA], +[ +have_theora=yes + +KDE_CHECK_HEADER(theora/theora.h, + [], [have_theora=no]) + +KDE_CHECK_LIB(theora, theora_info_init, + [], [have_theora=no], [-lvorbis -logg]) +]) + +AC_ARG_WITH(theora, + [AC_HELP_STRING(--with-theora, + [enable support for Ogg Theora @<:@default=check@:>@])], + [], with_theora=check) + +have_theora=no +if test "x$with_theora" != xno; then + KDE_CHECK_THEORA + + if test "x$with_theora" != xcheck && test "x$have_theora" != xyes; then + AC_MSG_ERROR([--with-theora was given, but test for Theora failed]) + fi +fi + +AM_CONDITIONAL(include_theora_SUBDIR, test "x$have_theora" = xyes) diff --git a/kfile-plugins/theora/kfile_theora.cpp b/kfile-plugins/theora/kfile_theora.cpp new file mode 100644 index 00000000..35dee3d9 --- /dev/null +++ b/kfile-plugins/theora/kfile_theora.cpp @@ -0,0 +1,322 @@ +/*************************************************************************** + * Copyright (C) 2004 by Jean-Baptiste Mardelle * + * bj@altern.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; either version 2 of the License, or * + * (at your option) any later version. * + * * + * 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; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#include <qfile.h> +#include <config.h> +#include "kfile_theora.h" + +#include <kdebug.h> +#include <klocale.h> +#include <kgenericfactory.h> + +#include "theora/theora.h" +#include "vorbis/codec.h" + +ogg_stream_state t_stream_state; +ogg_stream_state v_stream_state; + +int theora_p=0; +int vorbis_p=0; + +static int queue_page(ogg_page *page) +{ + if(theora_p) + ogg_stream_pagein(&t_stream_state,page); + if(vorbis_p) + ogg_stream_pagein(&v_stream_state,page); + return 0; +} + +static int buffer_data(FILE *in,ogg_sync_state *oy) +{ + char *buffer=ogg_sync_buffer(oy,4096); + int bytes=fread(buffer,1,4096,in); + ogg_sync_wrote(oy,bytes); + return(bytes); +} + +typedef KGenericFactory<theoraPlugin> theoraFactory; + +K_EXPORT_COMPONENT_FACTORY(kfile_theora, theoraFactory( "kfile_theora" )) + +theoraPlugin::theoraPlugin(QObject *parent, const char *name, + const QStringList &args) + : KFilePlugin(parent, name, args) +{ +// kdDebug(7034) << "theora plugin\n"; + + KFileMimeTypeInfo* info = addMimeTypeInfo( "video/x-theora" ); + + KFileMimeTypeInfo::GroupInfo* group = 0; + KFileMimeTypeInfo::ItemInfo* item; + + // video group + + group = addGroupInfo(info, "Video", i18n("Video Details")); + setAttributes(group, 0); + item = addItemInfo(group, "Length", i18n("Length"), QVariant::Int); + setUnit(item, KFileMimeTypeInfo::Seconds); + setHint(item, KFileMimeTypeInfo::Length); + item = addItemInfo(group, "Resolution", i18n("Resolution"), QVariant::Size); + setHint(item, KFileMimeTypeInfo::Size); + setUnit(item, KFileMimeTypeInfo::Pixels); + item = addItemInfo(group, "FrameRate", i18n("Frame Rate"), QVariant::Int); + setUnit(item, KFileMimeTypeInfo::FramesPerSecond); + item = addItemInfo(group, "TargetBitrate", i18n("Target Bitrate"), QVariant::Int); + setUnit(item, KFileMimeTypeInfo::Bitrate); + item = addItemInfo(group, "Quality", i18n("Quality"), QVariant::Int); + + // audio group + + group = addGroupInfo(info, "Audio", i18n("Audio Details")); + setAttributes(group, 0); + addItemInfo(group, "Channels", i18n("Channels"), QVariant::Int); + + item = addItemInfo(group, "SampleRate", i18n("Sample Rate"), QVariant::Int); + setUnit(item, KFileMimeTypeInfo::Hertz); +} + +bool theoraPlugin::readInfo( KFileMetaInfo& info, uint what) +{ + // most of the ogg stuff was borrowed from libtheora/examples/player_example.c + FILE *fp; + + ogg_sync_state o_sync_state; + ogg_packet o_packet; + ogg_page o_page; + + theora_info t_info; + theora_comment t_comment; + theora_state t_state; + vorbis_info v_info; + vorbis_comment v_comment; + + theora_p=0; + vorbis_p=0; + int theora_serial=0; + int stateflag=0; + + ogg_int64_t duration=0; + + // libtheora is still a bit unstable and sadly the init_ functions don't + // take care of things the way one would expect. So, let's do some explicit + // clearing of these fields. + + memset(&t_info, 0, sizeof(theora_info)); + memset(&t_comment, 0, sizeof(theora_comment)); + memset(&t_state, 0, sizeof(theora_state)); + + bool readTech = false; + + if (what & (KFileMetaInfo::Fastest | + KFileMetaInfo::DontCare | + KFileMetaInfo::TechnicalInfo)) + readTech = true; + + if ( info.path().isEmpty() ) // remote file + return false; + + fp = fopen(QFile::encodeName(info.path()),"rb"); + if (!fp) + { + kdDebug(7034) << "Unable to open " << QFile::encodeName(info.path()) << endl; + return false; + } + + ogg_sync_init(&o_sync_state); + + /* init supporting Vorbis structures needed in header parsing */ + vorbis_info_init(&v_info); + vorbis_comment_init(&v_comment); + + /* init supporting Theora structures needed in header parsing */ + theora_comment_init(&t_comment); + theora_info_init(&t_info); + + while(!stateflag && buffer_data(fp,&o_sync_state)!=0) + { + while (ogg_sync_pageout(&o_sync_state,&o_page)>0) + { + ogg_stream_state stream_test; + /* is this a mandated initial header? If not, stop parsing */ + if(!ogg_page_bos(&o_page)) + { + queue_page(&o_page); + stateflag=1; + break; + } + + ogg_stream_init(&stream_test,ogg_page_serialno(&o_page)); + ogg_stream_pagein(&stream_test,&o_page); + ogg_stream_packetout(&stream_test,&o_packet); + + /* identify the codec: try theora */ + if(!theora_p && theora_decode_header(&t_info,&t_comment,&o_packet)>=0) + { + /* it is theora */ + memcpy(&t_stream_state,&stream_test,sizeof(stream_test)); + theora_serial=ogg_page_serialno(&o_page); + theora_p=1; + } + else if(!vorbis_p && vorbis_synthesis_headerin(&v_info,&v_comment,&o_packet)>=0) + { + /* it is vorbis */ + memcpy(&v_stream_state,&stream_test,sizeof(stream_test)); + vorbis_p=1; + } + else + { + /* whatever it is, we don't care about it */ + ogg_stream_clear(&stream_test); + } + } + } + + /* we're expecting more header packets. */ + bool corruptedHeaders=false; + + while((theora_p && theora_p<3) || (vorbis_p && vorbis_p<3)) + { + int ret; + /* look for further theora headers */ + while(theora_p && (theora_p<3) && (ret=ogg_stream_packetout(&t_stream_state,&o_packet))) + { + if(ret<0) + { + kdDebug(7034)<<"Error parsing Theora stream headers; corrupt stream?\n"<<endl; + corruptedHeaders=true; + } + if(theora_decode_header(&t_info,&t_comment,&o_packet)) + { + kdDebug(7034)<<"Error parsing Theora stream headers; corrupt stream?"<<endl; + corruptedHeaders=true; + } + theora_p++; + if(theora_p==3) + break; + } + + /* look for more vorbis header packets */ + while(vorbis_p && (vorbis_p<3) && (ret=ogg_stream_packetout(&v_stream_state,&o_packet))) + { + if(ret<0) + { + kdDebug(7034)<<"Error parsing Vorbis stream headers; corrupt stream"<<endl; + corruptedHeaders=true; + } + if(vorbis_synthesis_headerin(&v_info,&v_comment,&o_packet)) + { + kdDebug(7034)<<"Error parsing Vorbis stream headers; corrupt stream?"<<endl; + corruptedHeaders=true; + } + vorbis_p++; + if(vorbis_p==3) + break; + } + /* The header pages/packets will arrive before anything else we + care about, or the stream is not obeying spec */ + + if(ogg_sync_pageout(&o_sync_state,&o_page)>0) + { + queue_page(&o_page); + /* demux into the appropriate stream */ + } + else + { + int ret=buffer_data(fp,&o_sync_state); /* someone needs more data */ + if(ret==0) + { + kdDebug(7034)<<"End of file while searching for codec headers."<<endl; + corruptedHeaders=true; + } + } + } + + /* and now we have it all. initialize decoders */ + if(theora_p && !corruptedHeaders) + { + theora_decode_init(&t_state,&t_info); + } + else + { + /* tear down the partial theora setup */ + theora_info_clear(&t_info); + theora_comment_clear(&t_comment); + + vorbis_info_clear(&v_info); + vorbis_comment_clear(&v_comment); + ogg_sync_clear(&o_sync_state); + fclose(fp); + return false; + } + //queue_page(&o_page); + + while (buffer_data(fp,&o_sync_state)) + { + while (ogg_sync_pageout(&o_sync_state,&o_page)>0) + { + // The following line was commented out by Scott Wheeler <wheeler@kde.org> + // We don't actually need to store all of the pages / packets in memory since + // (a) libtheora doesn't use them anyway in the one call that we make after this + // that usese t_state and (b) it basically buffers the entire file to memory if + // we queue them up like this and that sucks where a typical file size is a few + // hundred megs. + + // queue_page(&o_page); + } + if (theora_serial==ogg_page_serialno(&o_page)) + duration=(ogg_int64_t) theora_granule_time(&t_state,ogg_page_granulepos(&o_page)); + } + + if (readTech) + { + int stream_fps=0; + if (t_info.fps_denominator!=0) + stream_fps=t_info.fps_numerator/t_info.fps_denominator; + KFileMetaInfoGroup videogroup = appendGroup(info, "Video"); + appendItem(videogroup, "Length", int (duration)); + appendItem(videogroup, "Resolution", QSize(t_info.frame_width,t_info.frame_height)); + appendItem(videogroup, "FrameRate", stream_fps); + appendItem(videogroup, "Quality", (int) t_info.quality); + + KFileMetaInfoGroup audiogroup = appendGroup(info, "Audio"); + appendItem(audiogroup, "Channels", v_info.channels); + appendItem(audiogroup, "SampleRate", int(v_info.rate)); + } + fclose(fp); + + if (vorbis_p) + { + ogg_stream_clear(&v_stream_state); + vorbis_comment_clear(&v_comment); + vorbis_info_clear(&v_info); + } + + ogg_stream_clear(&t_stream_state); + theora_clear(&t_state); + theora_comment_clear(&t_comment); + theora_info_clear(&t_info); + ogg_sync_clear(&o_sync_state); + + return true; +} + +#include "kfile_theora.moc" + diff --git a/kfile-plugins/theora/kfile_theora.desktop b/kfile-plugins/theora/kfile_theora.desktop new file mode 100644 index 00000000..6e519085 --- /dev/null +++ b/kfile-plugins/theora/kfile_theora.desktop @@ -0,0 +1,60 @@ +[Desktop Entry] +Type=Service +Name=theora Info +Name[bg]=Информация за theora +Name[bn]=থিওরা তথ্য +Name[br]=Titouroù diwar-benn theora +Name[bs]=theora informacije +Name[ca]=Informació theora +Name[cs]=theora info +Name[de]=Theora-Info +Name[el]=Πληροφορίες theora +Name[eo]=theora-informo +Name[es]=Info Theora +Name[et]=Theora info +Name[eu]=theora informazioa +Name[fa]=اطلاعات theora +Name[fi]=Theoran tiedot +Name[fr]=Informations theora +Name[ga]=Eolas faoi theora +Name[gl]=Información theora +Name[he]=מידע theora +Name[hu]=Theora-jellemzők +Name[is]=theora upplýsingar +Name[it]=Informazioni su theora +Name[ja]=theora 情報 +Name[kk]=theora мәліметі +Name[km]=ព័ត៌មាន theora +Name[ko]=theora 정보 +Name[lt]=theora Informacija +Name[mk]=theora информации +Name[nb]=theora-info +Name[nds]=Theora-Info +Name[ne]=थिवरा सूचना +Name[nl]=theora-informatie +Name[nn]=theora-info +Name[pa]=theora (ਥੋਰਾ) ਜਾਣਕਾਰੀ +Name[pl]=Informacja o pliku theora +Name[pt]=Informação do theora +Name[pt_BR]=Informação sobre theora +Name[ru]=Сведения о theora +Name[sk]=theora info +Name[sl]=Podatki o Theora +Name[sr]=Информације о theora-и +Name[sr@Latn]=Informacije o theora-i +Name[sv]=Theora-information +Name[ta]= தியோரா தகவல் +Name[th]=ข้อมูล theora +Name[tr]=theora Bilgisi +Name[uk]=Інформація по theora +Name[zh_CN]=theora 信息 +Name[zh_HK]=theora 資訊 +Name[zh_TW]=theora 資訊 +ServiceTypes=KFilePlugin +X-KDE-Library=kfile_theora +# change MimeType here! (example: inode/directory) +MimeType=video/x-theora +# change PreferredGroups here! (example: FolderInfo) +PreferredGroups= +# change PreferredItems here! (example: Items;Size) +PreferredItems=Size,Length diff --git a/kfile-plugins/theora/kfile_theora.h b/kfile-plugins/theora/kfile_theora.h new file mode 100644 index 00000000..c2cb990e --- /dev/null +++ b/kfile-plugins/theora/kfile_theora.h @@ -0,0 +1,42 @@ +/*************************************************************************** + * Copyright (C) 2004 by Jean-Baptiste Mardelle * + * bj@altern.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; either version 2 of the License, or * + * (at your option) any later version. * + * * + * 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; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifndef __KFILE_THEORA_H__ +#define __KFILE_THEORA_H__ + +/** + * Note: For further information look into <$KDEDIR/include/kfilemetainfo.h> + */ +#include <kfilemetainfo.h> + +class QStringList; + +class theoraPlugin: public KFilePlugin +{ + Q_OBJECT + +public: + theoraPlugin( QObject *parent, const char *name, const QStringList& args ); + + virtual bool readInfo( KFileMetaInfo& info, uint what); +}; + +#endif // __KFILE_THEORA_H__ + |