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 #include "MltTransition.h"
  25 using namespace Mlt;
  26
  27 ClipInfo::ClipInfo( ) :
  28         clip( 0 ),
  29         producer( NULL ),
  30         cut( NULL ),
  31         start( 0 ),
  32         resource( NULL ),
  33         frame_in( 0 ),
  34         frame_out( 0 ),
  35         frame_count( 0 ),
  36         length( 0 ),
  37         fps( 0 ),
  38         repeat( 0 )
  39 {
  40 }
  41
  42 ClipInfo::ClipInfo( mlt_playlist_clip_info *info ) :
  43         clip( info->clip ),
  44         producer( new Producer( info->producer ) ),
  45         cut( new Producer( info->cut ) ),
  46         start( info->start ),
  47         resource( strdup( info->resource ) ),
  48         frame_in( info->frame_in ),
  49         frame_out( info->frame_out ),
  50         frame_count( info->frame_count ),
  51         length( info->length ),
  52         fps( info->fps ),
  53         repeat( info->repeat )
  54 {
  55 }
  56
  57 ClipInfo::~ClipInfo( )
  58 {
  59         delete producer;
  60         delete cut;
  61         free( resource );
  62 }
  63
  64 void ClipInfo::update( mlt_playlist_clip_info *info )
  65 {
  66         delete producer;
  67         delete cut;
  68         free( resource );
  69         clip = info->clip;
  70         producer = new Producer( info->producer );
  71         cut = new Producer( info->cut );
  72         start = info->start;
  73         resource = strdup( info->resource );
  74         frame_in = info->frame_in;
  75         frame_out = info->frame_out;
  76         frame_count = info->frame_count;
  77         length = info->length;
  78         fps = info->fps;
  79         repeat = info->repeat;
  80 }
  81
  82 Playlist::Playlist( ) :
  83         instance( NULL )
  84 {
  85         instance = mlt_playlist_init( );
  86 }
  87
  88 Playlist::Playlist( Service &producer ) :
  89         instance( NULL )
  90 {
  91         if ( producer.type( ) == playlist_type )
  92         {
  93                 instance = ( mlt_playlist )producer.get_service( );
  94                 inc_ref( );
  95         }
  96 }
  97
  98 Playlist::Playlist( Playlist &playlist ) :
  99         instance( playlist.get_playlist( ) )
 100 {
 101         inc_ref( );
 102 }
 103
 104 Playlist::Playlist( mlt_playlist playlist ) :
 105         instance( playlist )
 106 {
 107         inc_ref( );
 108 }
 109
 110 Playlist::~Playlist( )
 111 {
 112         mlt_playlist_close( instance );
 113 }
 114
 115 mlt_playlist Playlist::get_playlist( )
 116 {
 117         return instance;
 118 }
 119
 120 mlt_producer Playlist::get_producer( )
 121 {
 122         return mlt_playlist_producer( get_playlist( ) );
 123 }
 124
 125 int Playlist::count( )
 126 {
 127         return mlt_playlist_count( get_playlist( ) );
 128 }
 129
 130 int Playlist::clear( )
 131 {
 132         return mlt_playlist_clear( get_playlist( ) );
 133 }
 134
 135 int Playlist::append( Producer &producer, int in, int out )
 136 {
 137         return mlt_playlist_append_io( get_playlist( ), producer.get_producer( ), in, out );
 138 }
 139
 140 int Playlist::blank( int length )
 141 {
 142         return mlt_playlist_blank( get_playlist( ), length );
 143 }
 144
 145 int Playlist::clip( mlt_whence whence, int index )
 146 {
 147         return mlt_playlist_clip( get_playlist( ), whence, index );
 148 }
 149
 150 int Playlist::current_clip( )
 151 {
 152         return mlt_playlist_current_clip( get_playlist( ) );
 153 }
 154
 155 Producer *Playlist::current( )
 156 {
 157         return new Producer( mlt_playlist_current( get_playlist( ) ) );
 158 }
 159
 160 ClipInfo *Playlist::clip_info( int index, ClipInfo *info )
 161 {
 162         mlt_playlist_clip_info clip_info;
 163         mlt_playlist_get_clip_info( get_playlist( ), &clip_info, index );
 164         if ( info == NULL )
 165                 return new ClipInfo( &clip_info );
 166         info->update( &clip_info );
 167         return info;
 168 }
 169
 170 void Playlist::delete_clip_info( ClipInfo *info )
 171 {
 172         delete info;
 173 }
 174
 175 int Playlist::insert( Producer &producer, int where, int in, int out )
 176 {
 177         return mlt_playlist_insert( get_playlist( ), producer.get_producer( ), where, in, out );
 178 }
 179
 180 int Playlist::remove( int where )
 181 {
 182         return mlt_playlist_remove( get_playlist( ), where );
 183 }
 184
 185 int Playlist::move( int from, int to )
 186 {
 187         return mlt_playlist_move( get_playlist( ), from, to );
 188 }
 189
 190 int Playlist::resize_clip( int clip, int in, int out )
 191 {
 192         return mlt_playlist_resize_clip( get_playlist( ), clip, in, out );
 193 }
 194
 195 int Playlist::split( int clip, int position )
 196 {
 197         return mlt_playlist_split( get_playlist( ), clip, position );
 198 }
 199
 200 int Playlist::split_at( int position, bool left )
 201 {
 202         return mlt_playlist_split_at( get_playlist( ), position, left );
 203 }
 204
 205 int Playlist::join( int clip, int count, int merge )
 206 {
 207         return mlt_playlist_join( get_playlist( ), clip, count, merge );
 208 }
 209
 210 int Playlist::mix( int clip, int length, Transition *transition )
 211 {
 212         return mlt_playlist_mix( get_playlist( ), clip, length, transition == NULL ? NULL : transition->get_transition( ) );
 213 }
 214
 215 int Playlist::mix_add( int clip, Transition *transition )
 216 {
 217         return mlt_playlist_mix_add( get_playlist( ), clip, transition == NULL ? NULL : transition->get_transition( ) );
 218 }
 219
 220 int Playlist::repeat( int clip, int count )
 221 {
 222         return mlt_playlist_repeat_clip( get_playlist( ), clip, count );
 223 }
 224
 225 Producer *Playlist::get_clip( int clip )
 226 {
 227         mlt_producer producer = mlt_playlist_get_clip( get_playlist( ), clip );
 228         return producer != NULL ? new Producer( producer ) : NULL;
 229 }
 230
 231 Producer *Playlist::get_clip_at( int position )
 232 {
 233         mlt_producer producer = mlt_playlist_get_clip_at( get_playlist( ), position );
 234         return producer != NULL ? new Producer( producer ) : NULL;
 235 }
 236
 237 int Playlist::get_clip_index_at( int position )
 238 {
 239         return mlt_playlist_get_clip_index_at( get_playlist( ), position );
 240 }
 241
 242 bool Playlist::is_mix( int clip )
 243 {
 244         return mlt_playlist_clip_is_mix( get_playlist( ), clip ) != 0;
 245 }
 246
 247 bool Playlist::is_blank( int clip )
 248 {
 249         return mlt_playlist_is_blank( get_playlist( ), clip ) != 0;
 250 }
 251
 252 bool Playlist::is_blank_at( int position )
 253 {
 254         return mlt_playlist_is_blank_at( get_playlist( ), position ) != 0;
 255 }
 256
 257 Producer *Playlist::replace_with_blank( int clip )
 258 {
 259         mlt_producer producer = mlt_playlist_replace_with_blank( get_playlist( ), clip );
 260         Producer *object = producer != NULL ? new Producer( producer ) : NULL;
 261         mlt_producer_close( producer );
 262         return object;
 263 }
 264
 265 void Playlist::consolidate_blanks( int keep_length )
 266 {
 267         return mlt_playlist_consolidate_blanks( get_playlist( ), keep_length );
 268 }
 269
 270 void Playlist::insert_blank( int clip, int length )
 271 {
 272         mlt_playlist_insert_blank( get_playlist( ), clip, length );
 273 }
 274
 275 void Playlist::pad_blanks( int position, int length, int find )
 276 {
 277         mlt_playlist_pad_blanks( get_playlist( ), position, length, find );
 278 }
 279
 280 int Playlist::insert_at( int position, Producer *producer, int mode )
 281 {
 282         return mlt_playlist_insert_at( get_playlist( ), position, producer->get_producer( ), mode );
 283 }
 284
 285 int Playlist::insert_at( int position, Producer &producer, int mode )
 286 {
 287         return mlt_playlist_insert_at( get_playlist( ), position, producer.get_producer( ), mode );
 288 }
 289
 290 int Playlist::clip_start( int clip )
 291 {
 292         return mlt_playlist_clip_start( get_playlist( ), clip );
 293 }
 294
 295 int Playlist::blanks_from( int clip, int bounded )
 296 {
 297         return mlt_playlist_blanks_from( get_playlist( ), clip, bounded );
 298 }
 299
 300 int Playlist::clip_length( int clip )
 301 {
 302         return mlt_playlist_clip_length( get_playlist( ), clip );
 303 }
 304
 305 int Playlist::remove_region( int position, int length )
 306 {
 307         return mlt_playlist_remove_region( get_playlist( ), position, length );
 308 }
 309
 310 int Playlist::move_region( int position, int length, int new_position )
 311 {
 312         return mlt_playlist_move_region( get_playlist( ), position, length, new_position );
 313 }
 314