src/add-ons/media/media-add-ons/videowindow/VideoAddOn.cpp

   1 /*
   2  * Copyright (C) 2006-2008 Marcus Overhagen <marcus@overhagen.de>. All rights reserved.
   3  * Copyright (C) 2008 Maurice Kalinowski <haiku@kaldience.com>. All rights reserved.
   4  *
   5  * Distributed under the terms of the MIT License.
   6  */
   7 #include "VideoAddOn.h"
   8 #include "VideoNode.h"
   9 #include "VideoView.h"
  10 #include "debug.h"
  11
  12
  13 #include <stdio.h>
  14 #include <string.h>
  15
  16
  17 VideoWindowAddOn::VideoWindowAddOn(image_id id)
  18                 : BMediaAddOn(id)
  19 {
  20         CALLED();
  21
  22         fInputFormat.type = B_MEDIA_RAW_VIDEO;
  23         fInputFormat.u.raw_video = media_raw_video_format::wildcard;
  24
  25         fInfo.internal_id = 0;
  26         fInfo.name = strdup("VideoWindow Consumer");
  27         fInfo.info = strdup("This node displays a simple video window");
  28         fInfo.kinds = B_BUFFER_CONSUMER;
  29         fInfo.flavor_flags = 0;
  30         fInfo.possible_count = 0;
  31         fInfo.in_format_count = 1;
  32         fInfo.in_format_flags = 0;
  33         fInfo.in_formats = &fInputFormat;
  34         fInfo.out_format_count = 0;
  35         fInfo.out_formats = 0;
  36         fInfo.out_format_flags = 0;
  37 }
  38
  39
  40 VideoWindowAddOn::~VideoWindowAddOn()
  41 {
  42 }
  43
  44
  45
  46 bool
  47 VideoWindowAddOn::WantsAutoStart()
  48 {
  49         CALLED();
  50         return false;
  51 }
  52
  53
  54 int32
  55 VideoWindowAddOn::CountFlavors()
  56 {
  57         CALLED();
  58         return 1;
  59 }
  60
  61
  62 status_t
  63 VideoWindowAddOn::GetFlavorAt(int32 cookie, const flavor_info **flavorInfo)
  64 {
  65         CALLED();
  66         if (cookie != 0)
  67                 return B_BAD_INDEX;
  68         if (!flavorInfo || !*flavorInfo)
  69                 return B_ERROR;
  70
  71         *flavorInfo = &fInfo;
  72         return B_OK;
  73 }
  74
  75
  76 BMediaNode*
  77 VideoWindowAddOn::InstantiateNodeFor(const flavor_info *info, BMessage*, status_t *outError)
  78 {
  79         CALLED();
  80         if (!outError)
  81                 return NULL;
  82
  83         if (info->in_formats[0].type != B_MEDIA_RAW_VIDEO) {
  84                 *outError = B_MEDIA_BAD_FORMAT;
  85                 return NULL;
  86         }
  87
  88         BRect size;
  89         if (info->in_formats[0].u.raw_video.display.line_width != 0)
  90                 size.right = info->in_formats[0].u.raw_video.display.line_width;
  91         else
  92                 size.right = 320;
  93         if (info->in_formats[0].u.raw_video.display.line_count != 0)
  94                 size.bottom = info->in_formats[0].u.raw_video.display.line_count;
  95         else
  96                 size.bottom = 240;
  97
  98         VideoNode* node = new VideoNode("Video Node", this, info->internal_id);
  99
 100         return node;
 101 }
 102
 103
 104 extern "C" BMediaAddOn *make_media_addon(image_id id)
 105 {
 106         return new VideoWindowAddOn(id);
 107 }