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90 lines
2.4 KiB
90 lines
2.4 KiB
/**
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* MltFrame.cpp - MLT Wrapper
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* Copyright (C) 2004-2005 Charles Yates
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* Author: Charles Yates <charles.yates@pandora.be>
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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 Lesser General Public License as published
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* by 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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* 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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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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#include "MltFrame.h"
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#include "MltProducer.h"
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using namespace Mlt;
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Frame::Frame( mlt_frame frame ) :
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instance( frame )
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{
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inc_ref( );
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}
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Frame::Frame( Frame &frame ) :
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instance( frame.get_frame( ) )
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{
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inc_ref( );
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}
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Frame::~Frame( )
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{
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mlt_frame_close( instance );
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}
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mlt_frame Frame::get_frame( )
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{
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return instance;
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}
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mlt_properties Frame::get_properties( )
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{
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return mlt_frame_properties( get_frame( ) );
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}
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uint8_t *Frame::get_image( mlt_image_format &format, int &w, int &h, int writable )
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{
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uint8_t *image = NULL;
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if ( get_double( "consumer_aspect_ratio" ) == 0.0 )
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set( "consumer_aspect_ratio", 1.0 );
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mlt_frame_get_image( get_frame( ), &image, &format, &w, &h, writable );
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set( "format", format );
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set( "writable", writable );
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return image;
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}
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unsigned char *Frame::fetch_image( mlt_image_format f, int w, int h, int writable )
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{
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uint8_t *image = NULL;
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if ( get_double( "consumer_aspect_ratio" ) == 0.0 )
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set( "consumer_aspect_ratio", 1.0 );
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mlt_frame_get_image( get_frame( ), &image, &f, &w, &h, writable );
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set( "format", f );
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set( "writable", writable );
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return image;
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}
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int16_t *Frame::get_audio( mlt_audio_format &format, int &frequency, int &channels, int &samples )
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{
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int16_t *audio = NULL;
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mlt_frame_get_audio( get_frame( ), &audio, &format, &frequency, &channels, &samples );
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return audio;
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}
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unsigned char *Frame::get_waveform( int w, int h )
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{
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return mlt_frame_get_waveform( get_frame( ), w, h );
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}
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Producer *Frame::get_original_producer( )
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{
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return new Producer( mlt_frame_get_original_producer( get_frame( ) ) );
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}
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