src/add-ons/media/media-add-ons/reader/MediaReaderAddOn.h

   1 // MediaReaderAddOn.h
   2 //
   3 // Andrew Bachmann, 2002
   4 //
   5 // A MediaReaderAddOn is an add-on
   6 // that can make MediaReader nodes
   7 //
   8 // MediaReader nodes read a file into a multistream
   9
  10 #if !defined(_MEDIA_READER_ADD_ON_H)
  11 #define _MEDIA_READER_ADD_ON_H
  12
  13 #include <MediaDefs.h>
  14 #include <MediaAddOn.h>
  15 #include "../AbstractFileInterfaceAddOn.h"
  16
  17 class MediaReaderAddOn :
  18     public AbstractFileInterfaceAddOn
  19 {
  20 public:
  21         virtual ~MediaReaderAddOn(void);
  22         explicit MediaReaderAddOn(image_id image);
  23
  24 /**************************/
  25 /* begin from BMediaAddOn */
  26 public:
  27 virtual status_t GetFlavorAt(
  28                                 int32 n,
  29                                 const flavor_info ** out_info);
  30 virtual BMediaNode * InstantiateNodeFor(
  31                                 const flavor_info * info,
  32                                 BMessage * config,
  33                                 status_t * out_error);
  34 virtual status_t GetConfigurationFor(
  35                                 BMediaNode * your_node,
  36                                 BMessage * into_message);
  37
  38 /* only implement if you have a B_FILE_INTERFACE node */
  39 virtual status_t GetFileFormatList(
  40                                 int32 flavor_id,                        //      for this node flavor (if it matters)
  41                                 media_file_format * out_writable_formats,       //      don't write here if NULL
  42                                 int32 in_write_items,           //      this many slots in out_writable_formats
  43                                 int32 * out_write_items,        //      set this to actual # available, even if bigger than in count
  44                                 media_file_format * out_readable_formats,       //      don't write here if NULL
  45                                 int32 in_read_items,            //      this many slots in out_readable_formats
  46                                 int32 * out_read_items,         //      set this to actual # available, even if bigger than in count
  47                                 void * _reserved);                      //      ignore until further notice
  48
  49 using AbstractFileInterfaceAddOn::SniffTypeKind;
  50
  51 virtual status_t SniffTypeKind(                         //      Like SniffType, but for the specific kind(s)
  52                                 const BMimeType & type,
  53                                 uint64 in_kinds,
  54                                 float * out_quality,
  55                                 int32 * out_internal_id,
  56                                 void * _reserved);
  57
  58 /* end from BMediaAddOn */
  59 /************************/
  60
  61 private:
  62
  63                 MediaReaderAddOn(       /* private unimplemented */
  64                                 const MediaReaderAddOn & clone);
  65                 MediaReaderAddOn & operator=(
  66                                 const MediaReaderAddOn & clone);
  67
  68                 /* Mmmh, stuffing! */
  69 virtual         status_t _Reserved_MediaReaderAddOn_0(void *);
  70 virtual         status_t _Reserved_MediaReaderAddOn_1(void *);
  71 virtual         status_t _Reserved_MediaReaderAddOn_2(void *);
  72 virtual         status_t _Reserved_MediaReaderAddOn_3(void *);
  73 virtual         status_t _Reserved_MediaReaderAddOn_4(void *);
  74 virtual         status_t _Reserved_MediaReaderAddOn_5(void *);
  75 virtual         status_t _Reserved_MediaReaderAddOn_6(void *);
  76 virtual         status_t _Reserved_MediaReaderAddOn_7(void *);
  77 virtual         status_t _Reserved_MediaReaderAddOn_8(void *);
  78 virtual         status_t _Reserved_MediaReaderAddOn_9(void *);
  79 virtual         status_t _Reserved_MediaReaderAddOn_10(void *);
  80 virtual         status_t _Reserved_MediaReaderAddOn_11(void *);
  81 virtual         status_t _Reserved_MediaReaderAddOn_12(void *);
  82 virtual         status_t _Reserved_MediaReaderAddOn_13(void *);
  83 virtual         status_t _Reserved_MediaReaderAddOn_14(void *);
  84 virtual         status_t _Reserved_MediaReaderAddOn_15(void *);
  85
  86                 uint32 _reserved_media_reader_add_on_[16];
  87
  88 };
  89
  90 #if BUILDING_MEDIA_READER__ADD_ON
  91 extern "C" _EXPORT BMediaAddOn * make_media_reader_add_on(image_id you);
  92 #endif
  93
  94 #endif /* _MEDIA_READER_ADD_ON_H */