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

   1 /**
   2  * MltFrame.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 "MltFrame.h"
  22 using namespace Mlt;
  23
  24 mlt_properties Frame::get_properties( )
  25 {
  26         return mlt_frame_properties( get_frame( ) );
  27 }
  28
  29 uint8_t *Frame::get_image( mlt_image_format &format, int &w, int &h, int writable )
  30 {
  31         uint8_t *image = NULL;
  32         mlt_frame_get_image( get_frame( ), &image, &format, &w, &h, writable );
  33         return image;
  34 }
  35
  36 int16_t *Frame::get_audio( mlt_audio_format &format, int &frequency, int &channels, int &samples )
  37 {
  38         int16_t *audio = NULL;
  39         mlt_frame_get_audio( get_frame( ), &audio, &format, &frequency, &channels, &samples );
  40         return audio;
  41 }
  42
  43 mlt_frame FrameInstance::get_frame( )
  44 {
  45         return instance;
  46 }
  47
  48 FrameInstance::FrameInstance( mlt_frame frame ) :
  49         destroy( true ),
  50         instance( frame )
  51 {
  52 }
  53
  54 FrameInstance::FrameInstance( Frame &frame ) :
  55         destroy( false ),
  56         instance( frame.get_frame( ) )
  57 {
  58 }
  59
  60 FrameInstance::~FrameInstance( )
  61 {
  62         if ( destroy )
  63                 mlt_frame_close( instance );
  64 }
  65
  66