research.m1stereo.tv/gitweb/ - melted/blob - mlt++/src/MltPlaylist.cpp

   1 /**
   2  * MltPlaylist.cpp - MLT Wrapper
   3  * Copyright (C) 2004-2005 Charles Yates
   4  * Author: Charles Yates <charles.yates@pandora.be>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as published
   8  * by the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <string.h>
  22 #include <stdlib.h>
  23 #include "MltPlaylist.h"
  24 using namespace Mlt;
  25
  26 ClipInfo::ClipInfo( mlt_playlist_clip_info *info ) :
  27         clip( info->clip ),
  28         producer( new Producer( info->producer ) ),
  29         service( new Service( info->service ) ),
  30         start( info->start ),
  31         resource( strdup( info->resource ) ),
  32         frame_in( info->frame_in ),
  33         frame_out( info->frame_out ),
  34         frame_count( info->frame_count ),
  35         length( info->length ),
  36         fps( info->fps )
  37 {
  38 }
  39
  40 ClipInfo::~ClipInfo( )
  41 {
  42         delete producer;
  43         delete service;
  44         free( resource );
  45 }
  46
  47 Playlist::Playlist( ) :
  48         destroy( true ),
  49         instance( NULL )
  50 {
  51         instance = mlt_playlist_init( );
  52 }
  53
  54 Playlist::Playlist( Playlist &playlist ) :
  55         destroy( false ),
  56         instance( playlist.get_playlist( ) )
  57 {
  58 }
  59
  60 Playlist::Playlist( mlt_playlist playlist ) :
  61         destroy( false ),
  62         instance( playlist )
  63 {
  64 }
  65
  66 Playlist::~Playlist( )
  67 {
  68         if ( destroy )
  69                 mlt_playlist_close( instance );
  70 }
  71
  72 mlt_playlist Playlist::get_playlist( )
  73 {
  74         return instance;
  75 }
  76
  77 mlt_producer Playlist::get_producer( )
  78 {
  79         return mlt_playlist_producer( get_playlist( ) );
  80 }
  81
  82 int Playlist::count( )
  83 {
  84         return mlt_playlist_count( get_playlist( ) );
  85 }
  86
  87 int Playlist::clear( )
  88 {
  89         return mlt_playlist_clear( get_playlist( ) );
  90 }
  91
  92 int Playlist::append( Producer &producer, mlt_position in, mlt_position out )
  93 {
  94         return mlt_playlist_append_io( get_playlist( ), producer.get_producer( ), in, out );
  95 }
  96
  97 int Playlist::blank( mlt_position length )
  98 {
  99         return mlt_playlist_blank( get_playlist( ), length );
 100 }
 101
 102 mlt_position Playlist::clip( mlt_whence whence, int index )
 103 {
 104         return mlt_playlist_clip( get_playlist( ), whence, index );
 105 }
 106
 107 int Playlist::current_clip( )
 108 {
 109         return mlt_playlist_current_clip( get_playlist( ) );
 110 }
 111
 112 Producer *Playlist::current( )
 113 {
 114         return new Producer( mlt_playlist_current( get_playlist( ) ) );
 115 }
 116
 117 ClipInfo *Playlist::clip_info( int index )
 118 {
 119         mlt_playlist_clip_info info;
 120         mlt_playlist_get_clip_info( get_playlist( ), &info, index );
 121         return new ClipInfo( &info );
 122 }
 123
 124 int Playlist::insert( Producer &producer, int where, mlt_position in, mlt_position out )
 125 {
 126         return mlt_playlist_insert( get_playlist( ), producer.get_producer( ), where, in, out );
 127 }
 128
 129 int Playlist::remove( int where )
 130 {
 131         return mlt_playlist_remove( get_playlist( ), where );
 132 }
 133
 134 int Playlist::move( int from, int to )
 135 {
 136         return mlt_playlist_move( get_playlist( ), from, to );
 137 }
 138
 139 int Playlist::resize_clip( int clip, mlt_position in, mlt_position out )
 140 {
 141         return mlt_playlist_resize_clip( get_playlist( ), clip, in, out );
 142 }
 143