Diffstat (limited to 'core/multimedia/opieplayer/vorbis/libtremorplugin.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/multimedia/opieplayer/vorbis/libtremorplugin.cpp | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/core/multimedia/opieplayer/vorbis/libtremorplugin.cpp b/core/multimedia/opieplayer/vorbis/libtremorplugin.cpp new file mode 100644 index 0000000..c1e1a23 --- a/dev/null +++ b/core/multimedia/opieplayer/vorbis/libtremorplugin.cpp @@ -0,0 +1,274 @@ +/**************************************************************************** +* libtremorplugin.cpp +* +* Copyright (C) 2002 Latchesar Ionkov <lucho@ionkov.net> +* +* 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 +****************************************************************************/ +// fixed and adapted for opieplayer 2003 ljp <llornkcor@handhelds.org> + +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <time.h> +#include <locale.h> +#include <math.h> +#include <assert.h> + +#include <qmap.h> + +#include "libtremorplugin.h" + + +extern "C" { +#include "tremor/ivorbiscodec.h" +#include "tremor/ivorbisfile.h" +} + + +#define MPEG_BUFFER_SIZE 65536 +//#define debugMsg(a) qDebug(a) +#define debugMsg(a) + + +class LibTremorPluginData { +public: + char* filename; + FILE* f; + OggVorbis_File vf; + vorbis_info* vi; + vorbis_comment* vc; + bool bos; + int csection; + QString finfo; +}; + + +LibTremorPlugin::LibTremorPlugin() { +qDebug("<<<<<<<<<<<<<TREMOR!!!!!>>>>>>>>>>>>>>>>>>"); + d = new LibTremorPluginData; + d->f = 0; + d->vi = 0; + d->vc = 0; + d->bos = 0; + d->csection = 0; + d->finfo = ""; +} + + +LibTremorPlugin::~LibTremorPlugin() { + close(); + delete d; +} + + +bool LibTremorPlugin::isFileSupported( const QString& path ) { + debugMsg( "LibTremorPlugin::isFileSupported" ); + + // Mpeg file extensions + // "mp2","mp3","m1v","m2v","m2s","mpg","vob","mpeg",ac3" + // Other media extensions + // "wav","mid","mod","s3m","ogg","avi","mov","sid" + + char *ext = strrchr( path.latin1(), '.' ); + + // Test file extension + if ( ext ) { + if ( strncasecmp(ext, ".ogg", 4) == 0 ) + return TRUE; + } + + return FALSE; +} + + +bool LibTremorPlugin::open( const QString& path ) { + debugMsg( "LibTremorPlugin::open" ); + + d->filename = (char*) path.latin1(); + d->f = fopen( d->filename, "r" ); + if (d->f == 0) { + qDebug("error opening %s", d->filename ); + return FALSE; + } + + if (ov_open(d->f, &d->vf, NULL, 0) < 0) { + qDebug("error opening %s", d->filename); + return FALSE; + } + + d->vc = ov_comment(&d->vf, -1); + d->vi = ov_info(&d->vf, -1); + d->bos = false; + + QString comments[] = { "title", "artist", "album", "year", "tracknumber", "" }; + QString cdescr[] = { "Title", "Artist", "Album", "Year", "Track", "" }; + + + QMap<QString, QString> cmap; + char** cptr = d->vc->user_comments; + + while (*cptr != 0) { + QString s(*cptr); + int n = s.find('='); + + if (n < 0) { + continue; + } + + QString key = s.left(n).lower(); + QString value = s.mid(n+1); + + cmap[key] = value; + cptr++; + } + + d->finfo = ""; + for(int i = 0; !comments[i].isEmpty(); i++) { + QString v = cmap[comments[i].lower()]; + + if (!v.isEmpty()) { + if (!d->finfo.isEmpty()) { + d->finfo += ", "; + } + + d->finfo += cdescr[i] + ": " + v; + } + } + + qDebug("finfo: " + d->finfo); + + return TRUE; +} + + +bool LibTremorPlugin::close() { + debugMsg( "LibTremorPlugin::close" ); + + int result = TRUE; + + if (fclose(d->f) == -1) { + qDebug("error closing file %s", d->filename); + result = FALSE; + } + + d->f = 0; + d->finfo = ""; + + return result; +} + + +bool LibTremorPlugin::isOpen() { + debugMsg( "LibTremorPlugin::isOpen" ); + return ( d->f != 0 ); +} + + +const QString &LibTremorPlugin::fileInfo() { + return d->finfo; +} + +int LibTremorPlugin::audioStreams() { + debugMsg( "LibTremorPlugin::audioStreams" ); + return 1; +} + + +int LibTremorPlugin::audioChannels( int ) { + qDebug( "LibTremorPlugin::audioChannels: %i", d->vi->channels ); + return d->vi->channels; +} + + +int LibTremorPlugin::audioFrequency( int ) { + qDebug( "LibTremorPlugin::audioFrequency: %ld", d->vi->rate ); + return d->vi->rate; +} + + +int LibTremorPlugin::audioSamples( int ) { + debugMsg( "LibTremorPlugin::audioSamples" ); + return (int) ov_pcm_total(&d->vf,-1); +} + + +bool LibTremorPlugin::audioSetSample( long, int ) { + debugMsg( "LibTremorPlugin::audioSetSample" ); + return FALSE; +} + + +long LibTremorPlugin::audioGetSample( int ) { + debugMsg( "LibTremorPlugin::audioGetSample" ); + return 0; +} + + +bool LibTremorPlugin::audioReadSamples( short *output, int, long samples, long& samplesMade, int ) { +// qDebug( "<<<<<<<<<<<<LibTremorPlugin::audioReadStereoSamples %d", samples ); + + int old_section = d->csection; + + char* buf = (char*) output; + int length = samples * 4; + + if ( samples == 0 ) + return false; + + while (length > 0) { + if (d->bos) { + d->vi = ov_info(&d->vf, -1); + d->vc = ov_comment(&d->vf, -1); + } + + int n = 4096; + if (length < n) { + n = length; + } + + long ret = ov_read(&d->vf, buf, n, &d->csection); +// qDebug("%d", ret); + if (ret == 0) { + break; + } else if (ret < 0) { + return true; + } + + if (old_section != d->csection) { + d->bos = true; + } + + buf += ret; + length -= ret; + + } + + samplesMade = samples; + + return true; +} + +double LibTremorPlugin::getTime() { + debugMsg( "LibTremorPlugin::getTime" ); + return 0.0; +} + |