src/subtitles/cache_manager.h

   1 /************************************************************************/
   2 /* author: xy                                                           */
   3 /* date: 20110926                                                       */
   4 /************************************************************************/
   5 #ifndef __CACHE_MANAGER_H_310C134F_844C_4590_A4D2_AD30165AF10A__
   6 #define __CACHE_MANAGER_H_310C134F_844C_4590_A4D2_AD30165AF10A__
   7
   8 #include "RTS.h"
   9 #include "mru_cache.h"
  10 #include "flyweight_base_types.h"
  11
  12 template<class CahcheKey>
  13 class XyCacheKeyTraits:public CElementTraits<CahcheKey>
  14 {
  15 public:
  16     static inline ULONG Hash(const CahcheKey& key)
  17     {
  18         return key.GetHashValue();
  19     }
  20     static inline bool CompareElements(
  21         const CahcheKey& element1,
  22         const CahcheKey& element2)
  23     {
  24         return ( (element1==element2)!=0 );
  25     }
  26 };
  27
  28 class TextInfoCacheKey
  29 {
  30 public:
  31     XyFwStringW::IdType m_str_id;
  32     FwSTSStyle m_style;
  33
  34     ULONG m_hash_value;
  35 public:
  36     bool operator==(const TextInfoCacheKey& key)const;
  37
  38     ULONG UpdateHashValue();
  39     inline ULONG GetHashValue()const
  40     {
  41         return m_hash_value;
  42     }
  43 };
  44
  45 class PathDataCacheKey
  46 {
  47 public:
  48     PathDataCacheKey(const CWord& word):m_style(word.m_style)
  49     {
  50         const CPolygon *tmp = dynamic_cast<const CPolygon *>(&word);
  51         if (tmp)
  52         {
  53             m_scalex = tmp->m_scalex;
  54             m_scaley = tmp->m_scaley;
  55         }
  56         else
  57         {
  58             m_scalex = 0;
  59             m_scaley = 0;
  60         }
  61         m_str_id = word.m_str.GetId();
  62     }
  63     PathDataCacheKey(const PathDataCacheKey& key)
  64         :m_str_id(key.m_str_id)
  65         ,m_scalex(key.m_scalex)
  66         ,m_scaley(key.m_scaley)
  67         ,m_style(key.m_style)
  68         ,m_hash_value(key.m_hash_value){}
  69     bool operator==(const PathDataCacheKey& key)const
  70     {
  71         return m_str_id==key.m_str_id
  72             && fabs(m_scalex-key.m_scalex)<0.000001
  73             && fabs(m_scaley-key.m_scaley)<0.000001
  74             && ( m_style==key.m_style || CompareSTSStyle(m_style, key.m_style) );
  75     }
  76     bool operator==(const CWord& key)const
  77     {
  78         return operator==(PathDataCacheKey(key));
  79     }
  80
  81     static bool CompareSTSStyle(const STSStyle& lhs, const STSStyle& rhs);
  82
  83     ULONG UpdateHashValue();
  84     inline ULONG GetHashValue()const
  85     {
  86         return m_hash_value;
  87     }
  88 public:
  89     ULONG m_hash_value;
  90 protected:
  91     double m_scalex, m_scaley;//for CPolygon
  92     XyFwStringW::IdType m_str_id;
  93     FwSTSStyle m_style;
  94 };
  95
  96 class ScanLineData2CacheKey: public PathDataCacheKey
  97 {
  98 public:
  99     ScanLineData2CacheKey(const CWord& word, const POINT& org):PathDataCacheKey(word),m_org(org) { }
 100     ScanLineData2CacheKey(const ScanLineData2CacheKey& key)
 101         :PathDataCacheKey(key)
 102         ,m_org(key.m_org)
 103         ,m_hash_value(key.m_hash_value) { }
 104
 105     bool operator==(const ScanLineData2CacheKey& key)const;
 106
 107     ULONG UpdateHashValue();
 108     inline ULONG GetHashValue()const
 109     {
 110         return m_hash_value;
 111     }
 112 public:
 113     ULONG m_hash_value;
 114     POINT m_org;
 115 };
 116
 117 class OverlayNoBlurKey: public ScanLineData2CacheKey
 118 {
 119 public:
 120     OverlayNoBlurKey(const CWord& word, const POINT& p, const POINT& org):ScanLineData2CacheKey(word,org),m_p(p) {}
 121     OverlayNoBlurKey(const OverlayNoBlurKey& key):ScanLineData2CacheKey(key),m_p(key.m_p),m_hash_value(key.m_hash_value) {}
 122
 123     bool operator==(const OverlayNoBlurKey& key)const;
 124
 125     ULONG UpdateHashValue();
 126     inline ULONG GetHashValue()const
 127     {
 128         return m_hash_value;
 129     }
 130 public:
 131     ULONG m_hash_value;
 132     POINT m_p;
 133 };
 134
 135 class OverlayKey: public OverlayNoBlurKey
 136 {
 137 public:
 138     OverlayKey(const CWord& word, const POINT& p, const POINT& org):OverlayNoBlurKey(word, p, org) {}
 139     OverlayKey(const OverlayKey& key):OverlayNoBlurKey(key), m_hash_value(key.m_hash_value) {}
 140
 141     bool operator==(const OverlayKey& key)const;
 142
 143     ULONG UpdateHashValue();
 144     inline ULONG GetHashValue()const
 145     {
 146         return m_hash_value;
 147     }
 148 public:
 149     ULONG m_hash_value;
 150 };
 151
 152 class ScanLineDataCacheKey
 153 {
 154 public:
 155     ScanLineDataCacheKey(const SharedPtrConstPathData& path_data):m_path_data(path_data){}
 156     bool operator==(const ScanLineDataCacheKey& key)const;
 157
 158     ULONG UpdateHashValue();
 159     inline ULONG GetHashValue()const
 160     {
 161         return m_hash_value;
 162     }
 163 public:
 164     ULONG m_hash_value;
 165     SharedPtrConstPathData m_path_data;
 166 };
 167
 168 class OverlayNoOffsetKey:public ScanLineDataCacheKey
 169 {
 170 public:
 171     OverlayNoOffsetKey(const SharedPtrConstPathData& path_data, int xsub, int ysub, int border_x, int border_y)
 172         : ScanLineDataCacheKey(path_data)
 173         , m_border( border_x+(border_y<<16) )
 174         , m_rasterize_sub( xsub+(ysub<<16) ){}
 175     bool operator==(const OverlayNoOffsetKey& key)const;
 176
 177     ULONG UpdateHashValue();
 178     inline ULONG GetHashValue()const
 179     {
 180         return m_hash_value;
 181     }
 182 public:
 183     ULONG m_hash_value;
 184
 185     int m_border;
 186     int m_rasterize_sub;
 187 };
 188
 189 class ClipperAlphaMaskCacheKey
 190 {
 191 public:
 192     ClipperAlphaMaskCacheKey(const SharedPtrCClipper& clipper):m_clipper(clipper){}
 193     bool operator==(const ClipperAlphaMaskCacheKey& key)const;
 194
 195     ULONG UpdateHashValue();
 196     inline ULONG GetHashValue()const
 197     {
 198         return m_hash_value;
 199     }
 200 public:
 201     ULONG m_hash_value;
 202
 203     SharedPtrCClipper m_clipper;
 204 };
 205
 206 struct DrawItem;
 207 class DrawItemHashKey
 208 {
 209 public:
 210     DrawItemHashKey(const DrawItem& draw_item);
 211     bool operator==(const DrawItemHashKey& hash_key) const;
 212
 213     ULONG UpdateHashValue();
 214     inline ULONG GetHashValue()const
 215     {
 216         return m_hash_value;
 217     }
 218 public:
 219     ULONG m_hash_value;
 220 private:
 221     typedef ::boost::shared_ptr<OverlayKey> SharedOverlayKey;
 222     SharedOverlayKey m_overlay_key;
 223     ClipperAlphaMaskCacheKey m_clipper_key;
 224     CRect m_clip_rect;
 225     int m_xsub;
 226     int m_ysub;
 227     DWORD m_switchpts[6];
 228     bool m_fBody;
 229     bool m_fBorder;
 230 };
 231
 232 class GroupedDrawItemsHashKey
 233 {
 234 public:
 235     bool operator==(const GroupedDrawItemsHashKey& key) const;
 236
 237     ULONG UpdateHashValue();
 238     inline ULONG GetHashValue()const
 239     {
 240         return m_hash_value;
 241     }
 242 public:
 243     ULONG m_hash_value;
 244 private:
 245     typedef ::boost::shared_ptr<DrawItemHashKey> PKey;
 246     typedef CAtlArray<PKey> Keys;
 247     typedef ::boost::shared_ptr<Keys> PKeys;
 248
 249     PKeys m_key;
 250     CRect m_clip_rect;
 251
 252     friend struct GroupedDrawItems;
 253 };
 254
 255 class PathDataTraits:public CElementTraits<PathData>
 256 {
 257 public:
 258     static ULONG Hash(const PathData& key);
 259 };
 260
 261 class ClipperTraits:public CElementTraits<CClipper>
 262 {
 263 public:
 264     static ULONG Hash(const CClipper& key);
 265 };
 266
 267 typedef EnhancedXyMru<
 268     TextInfoCacheKey,
 269     CText::SharedPtrTextInfo,
 270     XyCacheKeyTraits<TextInfoCacheKey>
 271 > TextInfoMruCache;
 272
 273 typedef EnhancedXyMru<
 274     CStringW,
 275     CRenderedTextSubtitle::SharedPtrConstAssTagList,
 276     CStringElementTraits<CStringW>
 277 > AssTagListMruCache;
 278
 279 typedef EnhancedXyMru<PathDataCacheKey, SharedPtrConstPathData, XyCacheKeyTraits<PathDataCacheKey>> PathDataMruCache;
 280
 281 typedef EnhancedXyMru<ScanLineData2CacheKey, SharedPtrConstScanLineData2, XyCacheKeyTraits<ScanLineData2CacheKey>> ScanLineData2MruCache;
 282
 283 typedef EnhancedXyMru<OverlayNoBlurKey, SharedPtrOverlay, XyCacheKeyTraits<OverlayNoBlurKey>> OverlayNoBlurMruCache;
 284
 285 typedef EnhancedXyMru<OverlayKey, SharedPtrOverlay, XyCacheKeyTraits<OverlayKey>> OverlayMruCache;
 286
 287 typedef EnhancedXyMru<ScanLineDataCacheKey, SharedPtrConstScanLineData, XyCacheKeyTraits<ScanLineDataCacheKey>> ScanLineDataMruCache;
 288
 289 typedef EnhancedXyMru<OverlayNoOffsetKey, OverlayNoBlurKey, XyCacheKeyTraits<OverlayNoOffsetKey>> OverlayNoOffsetMruCache;
 290
 291 typedef EnhancedXyMru<ClipperAlphaMaskCacheKey, SharedPtrGrayImage2, XyCacheKeyTraits<ClipperAlphaMaskCacheKey>> ClipperAlphaMaskMruCache;
 292
 293 class XyBitmap;
 294 typedef ::boost::shared_ptr<XyBitmap> SharedPtrXyBitmap;
 295 typedef EnhancedXyMru<std::size_t, SharedPtrXyBitmap> BitmapMruCache;
 296
 297 class CacheManager
 298 {
 299 public:
 300     static const int BITMAP_MRU_CACHE_ITEM_NUM = 64;//for test only
 301     static const int CLIPPER_MRU_CACHE_ITEM_NUM = 48;
 302
 303     static const int TEXT_INFO_CACHE_ITEM_NUM = 2048;
 304     static const int ASS_TAG_LIST_CACHE_ITEM_NUM = 256;
 305     static const int SUBPIXEL_VARIANCE_CACHE_ITEM_NUM = 256;
 306     static const int OVERLAY_CACHE_ITEM_NUM = 256;
 307
 308     static const int OVERLAY_NO_BLUR_CACHE_ITEM_NUM = 256;
 309     static const int SCAN_LINE_DATA_CACHE_ITEM_NUM = 512;
 310     static const int PATH_CACHE_ITEM_NUM = 512;
 311     static const int WORD_CACHE_ITEM_NUM = 512;
 312
 313     static BitmapMruCache* GetBitmapMruCache();
 314
 315     static ClipperAlphaMaskMruCache* GetClipperAlphaMaskMruCache();
 316     static TextInfoMruCache* GetTextInfoCache();
 317     static AssTagListMruCache* GetAssTagListMruCache();
 318
 319     static ScanLineDataMruCache* GetScanLineDataMruCache();
 320     static OverlayNoOffsetMruCache* GetOverlayNoOffsetMruCache();
 321
 322     static OverlayMruCache* GetSubpixelVarianceCache();
 323     static OverlayMruCache* GetOverlayMruCache();
 324     static OverlayNoBlurMruCache* GetOverlayNoBlurMruCache();
 325     static ScanLineData2MruCache* GetScanLineData2MruCache();
 326     static PathDataMruCache* GetPathDataMruCache();
 327 };
 328
 329
 330 typedef XyFlyWeight<GroupedDrawItemsHashKey, CacheManager::BITMAP_MRU_CACHE_ITEM_NUM, XyCacheKeyTraits<GroupedDrawItemsHashKey>> XyFwGroupedDrawItemsHashKey;
 331
 332 #endif // end of __CACHE_MANAGER_H_310C134F_844C_4590_A4D2_AD30165AF10A__
 333