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111 lines
2.9 KiB
111 lines
2.9 KiB
/*
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* kino_wrapper.cc -- c wrapper for kino file handler
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* Copyright (C) 2005 Ushodaya Enterprises Limited
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* Author: Charles Yates <charles.yates@gmail.com>
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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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* 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 "config.h"
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#include <strings.h>
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#include <stdlib.h>
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#include <string.h>
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#include "kino_wrapper.h"
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#include "filehandler.h"
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extern "C"
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{
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#include <framework/mlt_pool.h>
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struct kino_wrapper_s
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{
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FileHandler *handler;
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int is_pal;
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};
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kino_wrapper kino_wrapper_init( )
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{
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kino_wrapper self = ( kino_wrapper )malloc( sizeof( kino_wrapper_s ) );
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if ( self != NULL )
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self->handler = NULL;
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return self;
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}
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int kino_wrapper_open( kino_wrapper self, char *src )
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{
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if ( self != NULL )
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{
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// Rough file determination based on file type
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if ( strncasecmp( strrchr( src, '.' ), ".avi", 4 ) == 0 )
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self->handler = new AVIHandler( );
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else if ( strncasecmp( strrchr( src, '.' ), ".dv", 3 ) == 0 || strncasecmp( strrchr( src, '.' ), ".dif", 4 ) == 0 )
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self->handler = new RawHandler( );
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#ifdef HAVE_LIBQUICKTIME
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else if ( strncasecmp( strrchr( src, '.' ), ".mov", 4 ) == 0 )
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self->handler = new QtHandler( );
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#endif
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// Open the file if we have a handler
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if ( self->handler != NULL )
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if ( !self->handler->Open( src ) )
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self = NULL;
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// Check the first frame to see if it's PAL or NTSC
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if ( self != NULL && self->handler != NULL )
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{
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uint8_t *data = ( uint8_t * )mlt_pool_alloc( 144000 );
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if ( self->handler->GetFrame( data, 0 ) == 0 )
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self->is_pal = data[3] & 0x80;
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else
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self = NULL;
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mlt_pool_release( data );
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}
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}
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return kino_wrapper_is_open( self );
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}
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int kino_wrapper_get_frame_count( kino_wrapper self )
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{
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return self != NULL && self->handler != NULL ? self->handler->GetTotalFrames( ) : 0;
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}
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int kino_wrapper_is_open( kino_wrapper self )
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{
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return self != NULL && self->handler != NULL ? self->handler->FileIsOpen( ) : 0;
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}
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int kino_wrapper_is_pal( kino_wrapper self )
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{
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return self != NULL ? self->is_pal : 0;
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}
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int kino_wrapper_get_frame( kino_wrapper self, uint8_t *data, int index )
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{
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return self != NULL && self->handler != NULL ? !self->handler->GetFrame( data, index ) : 0;
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}
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void kino_wrapper_close( kino_wrapper self )
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{
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if ( self )
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delete self->handler;
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free( self );
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}
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}
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