At the moment is quite simple and works only for external sounds. Activate the sound playing when processing links and when switching pages in presentation mode only. svn path=/trunk/playground/graphics/okular/; revision=630315remotes/origin/KDE/4.0
Pino Toscano
19 years ago
parent
e158d82848
commit
1e7cb0b2eb
5 changed files with 308 additions and 4 deletions
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/***************************************************************************
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* Copyright (C) 2007 by Pino Toscano <pino@kde.org> * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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***************************************************************************/ |
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// qt/kde includes
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#include <qhash.h> |
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#include <qsignalmapper.h> |
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#include <kdebug.h> |
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#include <krandom.h> |
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#include <phonon/audiopath.h> |
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#include <phonon/audiooutput.h> |
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#include <phonon/bytestream.h> |
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#include <phonon/mediaobject.h> |
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// local includes
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#include "audioplayer.h" |
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#include "link.h" |
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#include "sound.h" |
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using namespace Okular; |
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// helper class used to store info about a sound to be played
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class SoundInfo |
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{ |
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public: |
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explicit SoundInfo( const Sound * s = 0, const LinkSound * ls = 0 ) |
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: sound( s ), volume( 0.5 ), synchronous( false ), repeat( false ), |
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mix( false ) |
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{ |
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if ( ls ) |
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{ |
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volume = ls->volume(); |
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synchronous = ls->synchronous(); |
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repeat = ls->repeat(); |
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mix = ls->mix(); |
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} |
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} |
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const Sound * sound; |
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double volume; |
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bool synchronous; |
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bool repeat; |
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bool mix; |
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}; |
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class PlayInfo |
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{ |
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public: |
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PlayInfo() |
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: m_mediaobject( 0 ), m_bytestream( 0 ), m_path( 0 ), m_output( 0 ) |
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{ |
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} |
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~PlayInfo() |
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{ |
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if ( m_bytestream ) |
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{ |
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m_bytestream->stop(); |
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delete m_bytestream; |
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} |
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if ( m_mediaobject ) |
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{ |
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m_mediaobject->stop(); |
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delete m_mediaobject; |
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} |
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delete m_path; |
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delete m_output; |
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} |
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Phonon::MediaObject * m_mediaobject; |
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Phonon::ByteStream * m_bytestream; |
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Phonon::AudioPath * m_path; |
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Phonon::AudioOutput * m_output; |
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SoundInfo m_info; |
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}; |
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class AudioPlayer::Private |
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{ |
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public: |
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Private( AudioPlayer * qq ) |
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: q( qq ) |
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{ |
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connect( &m_mapper, SIGNAL( mapped( int ) ), q, SLOT( finished( int ) ) ); |
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} |
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~Private() |
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{ |
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qDeleteAll( m_playing ); |
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} |
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int newId() const; |
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bool play( const SoundInfo& si ); |
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// private slots
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void finished( int ); |
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AudioPlayer * q; |
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QHash< int, PlayInfo * > m_playing; |
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QSignalMapper m_mapper; |
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}; |
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int AudioPlayer::Private::newId() const |
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{ |
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int newid = 0; |
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QHash< int, PlayInfo * >::const_iterator it; |
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QHash< int, PlayInfo * >::const_iterator itEnd = m_playing.constEnd(); |
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do |
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{ |
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newid = KRandom::random(); |
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it = m_playing.constFind( newid ); |
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} while ( it != itEnd ); |
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return newid; |
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} |
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bool AudioPlayer::Private::play( const SoundInfo& si ) |
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{ |
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kDebug() << k_funcinfo << endl; |
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PlayInfo * info = new PlayInfo(); |
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info->m_output = new Phonon::AudioOutput( Phonon::NotificationCategory ); |
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info->m_output->setVolume( si.volume ); |
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info->m_path = new Phonon::AudioPath(); |
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info->m_path->addOutput( info->m_output ); |
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info->m_info = si; |
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bool valid = false; |
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switch ( si.sound->soundType() ) |
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{ |
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case Sound::External: |
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{ |
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QString url = si.sound->url(); |
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kDebug() << "[AudioPlayer::Playinfo::play()] External, " << url << endl; |
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if ( !url.isEmpty() ) |
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{ |
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info->m_mediaobject = new Phonon::MediaObject(); |
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if ( info->m_mediaobject->addAudioPath( info->m_path ) ) |
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{ |
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QObject::connect( info->m_mediaobject, SIGNAL( finished() ), &m_mapper, SLOT( map() ) ); |
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int newid = newId(); |
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m_mapper.setMapping( info->m_mediaobject, newid ); |
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info->m_mediaobject->setUrl( url ); |
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m_playing.insert( newid, info ); |
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valid = true; |
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info->m_mediaobject->play(); |
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kDebug() << "[AudioPlayer::Playinfo::play()] PLAY url" << endl; |
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} |
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} |
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break; |
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} |
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case Sound::Embedded: |
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{ |
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#if 0 // disable because of broken bytestream in xine :(
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QByteArray data = si.sound->data(); |
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kDebug() << "[AudioPlayer::Playinfo::play()] Embedded, " << data.length() << endl; |
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if ( !data.isEmpty() ) |
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{ |
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kDebug() << "[AudioPlayer::Playinfo::play()] bytestream: " << info->m_bytestream << endl; |
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info->m_bytestream = new Phonon::ByteStream(); |
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kDebug() << "[AudioPlayer::Playinfo::play()] bytestream: " << info->m_bytestream << endl; |
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if ( info->m_bytestream->addAudioPath( info->m_path ) ) |
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{ |
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QObject::connect( info->m_bytestream, SIGNAL( finished() ), &m_mapper, SLOT( map() ) ); |
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int newid = newId(); |
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m_mapper.setMapping( info->m_mediaobject, newid ); |
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m_playing.insert( newid, info ); |
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info->m_bytestream->writeData( data ); |
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info->m_bytestream->setStreamSize( data.length() ); |
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info->m_bytestream->setStreamSeekable( true ); |
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info->m_bytestream->endOfData(); |
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valid = true; |
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info->m_bytestream->play(); |
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kDebug() << "[AudioPlayer::Playinfo::play()] PLAY data" << endl; |
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} |
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} |
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#endif |
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break; |
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} |
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} |
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if ( !valid ) |
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{ |
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delete info; |
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info = 0; |
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} |
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return valid; |
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} |
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void AudioPlayer::Private::finished( int id ) |
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{ |
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QHash< int, PlayInfo * >::iterator it = m_playing.find( id ); |
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if ( it == m_playing.end() ) |
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return; |
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delete it.value(); |
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m_playing.erase( it ); |
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kDebug() << k_funcinfo << "finished, " << m_playing.count() << endl; |
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} |
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AudioPlayer::AudioPlayer() |
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: QObject(), d( new Private( this ) ) |
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{ |
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} |
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AudioPlayer::~AudioPlayer() |
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{ |
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delete d; |
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} |
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AudioPlayer * AudioPlayer::instance() |
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{ |
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static AudioPlayer ap; |
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return ≈ |
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} |
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void AudioPlayer::playSound( const Sound * sound, const LinkSound * linksound ) |
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{ |
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// we can't play null pointers ;)
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if ( !sound ) |
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return; |
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kDebug() << k_funcinfo << endl; |
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SoundInfo si( sound, linksound ); |
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d->play( si ); |
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} |
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#include "audioplayer.moc" |
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@ -0,0 +1,58 @@ |
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/***************************************************************************
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* Copyright (C) 2007 by Pino Toscano <pino@kde.org> * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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***************************************************************************/ |
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#ifndef _OKULAR_AUDIOPLAYER_H_ |
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#define _OKULAR_AUDIOPLAYER_H_ |
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#include <core/okular_export.h> |
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#include <QtCore/QObject> |
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namespace Okular { |
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class LinkSound; |
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class Sound; |
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/**
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* @short An audio player. |
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* |
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* Singleton utility class to play sounds in documents using the KDE sound |
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* system. |
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*/ |
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class OKULAR_EXPORT AudioPlayer : public QObject |
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{ |
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Q_OBJECT |
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public: |
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~AudioPlayer(); |
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/**
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* Gets the instance of the audio player. |
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*/ |
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static AudioPlayer * instance(); |
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/**
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* Enqueue the specified @p sound for playing, optionally taking more |
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* information about the playing from the @p soundlink . |
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*/ |
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void playSound( const Sound * sound, const LinkSound * linksound = 0 ); |
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private: |
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AudioPlayer(); |
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class Private; |
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Private * const d; |
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Q_DISABLE_COPY( AudioPlayer ) |
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Q_PRIVATE_SLOT( d, void finished( int ) ) |
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}; |
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} |
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#endif |
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