git.maemo.org Git - mardrone/blob - mardrone/ARDrone_SDK_Version_1_8_20110726/ControlEngine/iPhone/Classes/OpenGLVideo.m

   1 /**
   2  *  @file OpenGLVideo.m
   3  *
   4  * Copyright 2009 Parrot SA. All rights reserved.
   5  * @author D HAEYER Frederic
   6  * @date 2009/10/26
   7  */
   8 #import "OpenGLVideo.h"
   9
  10 static int32_t current_num_picture_decoded = 0;
  11
  12 int get_video_current_numframes( void )
  13 {
  14         return current_num_picture_decoded;
  15 }
  16
  17 @implementation OpenGLVideo
  18
  19 - (id)initWithPath:(NSString *)path withScreenSize:(CGSize)size
  20 {
  21         if((self = [super initWithPath:path withScaling:FIT_XY withScreenSize:size]) != nil)
  22         {
  23
  24         }
  25
  26         return self;
  27 }
  28
  29 - (void)drawSelf
  30 {
  31         BOOL needToUpdate = NO;
  32         video_stage_config_t *config = video_stage_get();
  33
  34         if ((config != NULL) && (config->data != NULL) && (config->num_picture_decoded > 0))
  35         {
  36                 vp_os_mutex_lock( &config->mutex );
  37
  38                 texture.bytesPerPixel   = config->bytesPerPixel;
  39                 texture.widthImage              = config->widthImage;
  40                 texture.heightImage             = config->heightImage;
  41                 texture.data            = config->data;
  42
  43                 if (config->num_picture_decoded > current_num_picture_decoded)
  44                 {
  45                         needToUpdate = YES;
  46                 }
  47
  48                 current_num_picture_decoded = config->num_picture_decoded;
  49
  50                 vp_os_mutex_unlock( &config->mutex );
  51         }
  52
  53         [super drawSelfIfNeeded:needToUpdate];
  54 }
  55
  56 @end