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81 lines
2.6 KiB
81 lines
2.6 KiB
/*****************************************************************************
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* chromaprint.cpp: Fingerprinter helper class
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*****************************************************************************
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* Copyright (C) 2012 VLC authors and VideoLAN
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "chromaprint.hpp"
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#include <vlc_fingerprinter.h>
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#include <vlc_modules.h>
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Chromaprint::Chromaprint( qt_intf_t *_p_intf ) : p_intf( _p_intf )
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{
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Q_ASSERT( p_intf );
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p_fingerprinter = fingerprinter_Create( VLC_OBJECT( p_intf ) );
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if ( p_fingerprinter )
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var_AddCallback( p_fingerprinter, "results-available", results_available, this );
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}
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int Chromaprint::results_available( vlc_object_t *, const char *, vlc_value_t, vlc_value_t , void *param )
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{
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Chromaprint *me = (Chromaprint *) param;
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me->finish();
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return 0;
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}
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fingerprint_request_t * Chromaprint::fetchResults()
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{
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return p_fingerprinter->pf_getresults( p_fingerprinter );
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}
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void Chromaprint::apply( fingerprint_request_t *p_r, size_t i_id )
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{
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p_fingerprinter->pf_apply( p_r, i_id );
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}
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bool Chromaprint::enqueue( input_item_t *p_item )
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{
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if ( ! p_fingerprinter ) return false;
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fingerprint_request_t *p_r = fingerprint_request_New( p_item );
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if ( ! p_r ) return false;
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vlc_tick_t t = input_item_GetDuration( p_item );
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if ( t != 0 ) p_r->i_duration = (unsigned int) SEC_FROM_VLC_TICK( t );
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if( p_fingerprinter->pf_enqueue( p_fingerprinter, p_r ) != 0 )
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{
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fingerprint_request_Delete( p_r );
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return false;
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}
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return true;
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}
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bool Chromaprint::isSupported( QString uri )
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{
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if ( !module_exists( "stream_out_chromaprint" ) )
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return false;
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else
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return ( uri.startsWith( "file://" ) || uri.startsWith( "/" ) );
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}
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Chromaprint::~Chromaprint()
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{
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if ( p_fingerprinter )
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fingerprinter_Destroy( p_fingerprinter );
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}
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