src/subtitles/xy_bitmap.cpp

   1 #include "stdafx.h"
   2 #include "xy_bitmap.h"
   3 #include "xy_malloc.h"
   4 #include "../SubPic/ISubPic.h"
   5
   6
   7 XyBitmap::~XyBitmap()
   8 {
   9     xy_free(bits);
  10 }
  11
  12 XyBitmap * XyBitmap::CreateBitmap( const CRect& target_rect, MemLayout layout )
  13 {
  14     XyBitmap *result = new XyBitmap();
  15     if (result==NULL)
  16     {
  17         ASSERT(0);
  18         return result;
  19     }
  20     result->type = layout;
  21     result->x = target_rect.left;
  22     result->y = target_rect.top;
  23     result->w = target_rect.Width();
  24     result->h = target_rect.Height();
  25     int w16 = (result->w + 15) & ~15;
  26
  27     switch (result->type)
  28     {
  29     case PACK:
  30         result->pitch = w16*4;
  31         result->bits = xy_malloc(4*w16*result->h, (result->x*4)&15);
  32         result->plans[0] = reinterpret_cast<BYTE*>(result->bits);
  33         break;
  34     case PLANNA:
  35         result->bits = xy_malloc(4*w16*result->h, result->x&15);
  36         result->pitch = w16;
  37         result->plans[0] = reinterpret_cast<BYTE*>(result->bits);
  38         result->plans[1] = result->plans[0] + result->pitch * result->h;
  39         result->plans[2] = result->plans[1] + result->pitch * result->h;
  40         result->plans[3] = result->plans[2] + result->pitch * result->h;
  41         break;
  42     default:
  43         ASSERT(0);
  44         result->bits = NULL;
  45         break;
  46     }
  47     ClearBitmap(result);
  48     return result;
  49 }
  50
  51 void XyBitmap::ClearBitmap( XyBitmap *bitmap )
  52 {
  53     if (!bitmap)
  54         return;
  55     if (bitmap->type==XyBitmap::PLANNA)
  56     {
  57         memset(bitmap->plans[0], 0xFF, bitmap->h * bitmap->pitch);
  58         memset(bitmap->plans[1], 0, bitmap->h * bitmap->pitch * 3);//assuming the other 2 plans lied right after plan 1
  59     }
  60     else
  61     {
  62         BYTE * p = bitmap->plans[0];
  63         for (int i=0;i<bitmap->h;i++, p+=bitmap->pitch)
  64         {
  65             memsetd(p, 0xFF000000, bitmap->w*4);
  66         }
  67     }
  68 }
  69
  70 void XyBitmap::AlphaBltPack( SubPicDesc& spd, POINT pos, SIZE size, LPCVOID pixels, int pitch )
  71 {
  72     ASSERT( spd.type!=MSP_AYUV_PLANAR );
  73     CRect r(0, 0, spd.w, spd.h);
  74
  75     int x = pos.x;
  76     int y = pos.y;
  77     int w = size.cx;
  78     int h = size.cy;
  79     int x_src = 0, y_src = 0;
  80
  81     if(x < r.left) {x_src = r.left-x; w -= r.left-x; x = r.left;}
  82     if(y < r.top) {y_src = r.top-y; h -= r.top-y; y = r.top;}
  83     if(x+w > r.right) w = r.right-x;
  84     if(y+h > r.bottom) h = r.bottom-y;
  85
  86     const BYTE* src = reinterpret_cast<const BYTE*>(pixels) + y_src*pitch + x_src*4;
  87
  88     BYTE* dst = reinterpret_cast<BYTE*>(spd.bits) + spd.pitch * y + ((x*spd.bpp)>>3);
  89
  90     for(int i=0;i<h;i++, src += pitch, dst += spd.pitch)
  91     {
  92         const BYTE* s2 = src;
  93         const BYTE* s2end = s2 + w*4;
  94         DWORD* d2 = (DWORD*)dst;
  95         for(; s2 < s2end; s2 += 4, d2++)
  96         {
  97             int tmp = s2[3]+1;
  98             *d2 = (((((*d2&0x00ff00ff)*tmp)>>8) + (*((DWORD*)s2)&0x00ff00ff))&0x00ff00ff)
  99                 | (((((*d2&0x0000ff00)*tmp)>>8) + (*((DWORD*)s2)&0x0000ff00))&0x0000ff00);
 100         }
 101     }
 102 }
 103
 104 void XyBitmap::AlphaBltPlannar( SubPicDesc& spd, POINT pos, SIZE size, const XyPlannerFormatExtra& pixels, int pitch )
 105 {
 106     ASSERT( spd.type==MSP_AYUV_PLANAR );
 107
 108     CRect r(0, 0, spd.w, spd.h);
 109
 110     int x = pos.x;
 111     int y = pos.y;
 112     int w = size.cx;
 113     int h = size.cy;
 114     int x_src = 0, y_src = 0;
 115
 116     if(x < r.left) {x_src = r.left-x; w -= r.left-x; x = r.left;}
 117     if(y < r.top) {y_src = r.top-y; h -= r.top-y; y = r.top;}
 118     if(x+w > r.right) w = r.right-x;
 119     if(y+h > r.bottom) h = r.bottom-y;
 120
 121     BYTE* dst = reinterpret_cast<BYTE*>(spd.bits) + spd.pitch * y + ((x*spd.bpp)>>3);
 122
 123     const BYTE* src_A = reinterpret_cast<const BYTE*>(pixels.plans[0]) + y_src*pitch + x_src;
 124     const BYTE* src_Y = reinterpret_cast<const BYTE*>(pixels.plans[1]) + y_src*pitch + x_src;
 125     const BYTE* src_U = reinterpret_cast<const BYTE*>(pixels.plans[2]) + y_src*pitch + x_src;
 126     const BYTE* src_V = reinterpret_cast<const BYTE*>(pixels.plans[3]) + y_src*pitch + x_src;
 127
 128     BYTE* dst_A = dst;
 129     BYTE* dst_Y = dst_A + spd.pitch*spd.h;
 130     BYTE* dst_U = dst_Y + spd.pitch*spd.h;
 131     BYTE* dst_V = dst_U + spd.pitch*spd.h;
 132
 133     const BYTE*  src_A1 = src_A;
 134     for (int i=0;i<h;i++, src_A += pitch, dst_A += spd.pitch)
 135     {
 136         for (int j=0;j<w;j++)
 137         {
 138             dst_A[j] = (dst_A[j]*(src_A[j]+1))>>8;
 139         }
 140     }
 141
 142     src_A = src_A1;
 143     for (int i=0;i<h;i++, src_A += pitch, src_Y += pitch, dst_Y += spd.pitch)
 144     {
 145         for (int j=0;j<w;j++)
 146         {
 147             dst_Y[j] = ((dst_Y[j]*(src_A[j]+1))>>8) + src_Y[j];
 148         }
 149     }
 150     src_A = src_A1;
 151     for (int i=0;i<h;i++, src_A += pitch, src_U += pitch, dst_U += spd.pitch)
 152     {
 153         for (int j=0;j<w;j++)
 154         {
 155             dst_U[j] = ((dst_U[j]*(src_A[j]+1))>>8) + src_U[j];
 156         }
 157     }
 158     src_A = src_A1;
 159     for (int i=0;i<h;i++, src_A += pitch, src_V += pitch, dst_V += spd.pitch)
 160     {
 161         for (int j=0;j<w;j++)
 162         {
 163             dst_V[j] = ((dst_V[j]*(src_A[j]+1))>>8) + src_V[j];
 164         }
 165     }
 166 }
 167
 168 //////////////////////////////////////////////////////////////////////////
 169 //
 170 // SubRenderFrame
 171 //
 172
 173 XySubRenderFrame::XySubRenderFrame()
 174     : CUnknown(NAME("XySubRenderFrameWrapper"), NULL)
 175 {
 176
 177 }
 178
 179 XySubRenderFrame::~XySubRenderFrame()
 180 {
 181 }
 182
 183 STDMETHODIMP XySubRenderFrame::NonDelegatingQueryInterface( REFIID riid, void** ppv )
 184 {
 185     return
 186         QI(IXySubRenderFrame)
 187         __super::NonDelegatingQueryInterface(riid, ppv);
 188 }
 189
 190 STDMETHODIMP XySubRenderFrame::GetOutputRect( RECT *outputRect )
 191 {
 192     if (!outputRect)
 193     {
 194         return E_POINTER;
 195     }
 196     *outputRect = m_output_rect;
 197     return S_OK;
 198 }
 199
 200 STDMETHODIMP XySubRenderFrame::GetClipRect( RECT *clipRect )
 201 {
 202     if (!clipRect)
 203     {
 204         return E_POINTER;
 205     }
 206     *clipRect = m_clip_rect;
 207     return S_OK;
 208 }
 209
 210 STDMETHODIMP XySubRenderFrame::GetXyColorSpace( int *xyColorSpace )
 211 {
 212     if (!xyColorSpace)
 213     {
 214         return E_POINTER;
 215     }
 216     *xyColorSpace = m_xy_color_space;
 217     return S_OK;
 218 }
 219
 220 STDMETHODIMP XySubRenderFrame::GetBitmapCount( int *count )
 221 {
 222     if (!count)
 223     {
 224         return E_POINTER;
 225     }
 226     *count = m_bitmaps.GetCount();
 227     return S_OK;
 228 }
 229
 230 STDMETHODIMP XySubRenderFrame::GetBitmap( int index, ULONGLONG *id, POINT *position, SIZE *size, LPCVOID *pixels, int *pitch )
 231 {
 232     if (index<0 || index>=(int)m_bitmaps.GetCount())
 233     {
 234         return E_INVALIDARG;
 235     }
 236     if (id)
 237     {
 238         *id = m_bitmap_ids.GetAt(index);
 239     }
 240     const XyBitmap& bitmap = *(m_bitmaps.GetAt(index));
 241     if (position)
 242     {
 243         position->x = bitmap.x;
 244         position->y = bitmap.y;
 245     }
 246     if (size)
 247     {
 248         size->cx = bitmap.w;
 249         size->cy = bitmap.h;
 250     }
 251     if (pixels)
 252     {
 253         *pixels = bitmap.plans[0];
 254     }
 255     if (pitch)
 256     {
 257         *pitch = bitmap.pitch;
 258     }
 259     return S_OK;
 260 }
 261
 262 STDMETHODIMP XySubRenderFrame::GetBitmapExtra( int index, LPVOID extra_info )
 263 {
 264     if (index<0 || index>=(int)m_bitmaps.GetCount())
 265     {
 266         return E_INVALIDARG;
 267     }
 268     if (extra_info && m_xy_color_space == XY_CS_AYUV_PLANAR)
 269     {
 270         const XyBitmap& bitmap = *(m_bitmaps.GetAt(index));
 271         XyPlannerFormatExtra *output = reinterpret_cast<XyPlannerFormatExtra*>(extra_info);
 272
 273         output->plans[0] = bitmap.plans[0];
 274         output->plans[1] = bitmap.plans[1];
 275         output->plans[2] = bitmap.plans[2];
 276         output->plans[3] = bitmap.plans[3];
 277     }
 278     return S_OK;
 279 }
 280
 281 //////////////////////////////////////////////////////////////////////////
 282 //
 283 // XySubRenderFrameCreater
 284 //
 285
 286 XySubRenderFrameCreater* XySubRenderFrameCreater::GetDefaultCreater()
 287 {
 288     static XySubRenderFrameCreater s_default_creater;
 289     return &s_default_creater;
 290 }
 291
 292 HRESULT XySubRenderFrameCreater::SetOutputRect( const RECT& output_rect )
 293 {
 294     m_output_rect = output_rect;
 295     return S_OK;
 296 }
 297
 298 HRESULT XySubRenderFrameCreater::SetClipRect( const RECT& clip_rect )
 299 {
 300     m_clip_rect = clip_rect;
 301     return S_OK;
 302 }
 303
 304 HRESULT XySubRenderFrameCreater::SetColorSpace( XyColorSpace color_space )
 305 {
 306     m_xy_color_space = color_space;
 307     switch (m_xy_color_space)
 308     {
 309     case XY_CS_AYUV_PLANAR:
 310         m_bitmap_layout = XyBitmap::PLANNA;
 311         break;
 312     default:
 313         m_bitmap_layout = XyBitmap::PACK;
 314         break;
 315     }
 316     return S_OK;
 317 }
 318
 319 HRESULT XySubRenderFrameCreater::GetOutputRect( RECT *output_rect )
 320 {
 321     if (!output_rect)
 322     {
 323         return S_FALSE;
 324     }
 325     *output_rect = m_output_rect;
 326     return S_OK;
 327 }
 328
 329 HRESULT XySubRenderFrameCreater::GetClipRect( RECT *clip_rect )
 330 {
 331     if (!clip_rect)
 332     {
 333         return S_FALSE;
 334     }
 335     *clip_rect = m_clip_rect;
 336     return S_OK;
 337 }
 338
 339 HRESULT XySubRenderFrameCreater::GetColorSpace( XyColorSpace *color_space )
 340 {
 341     if (!color_space)
 342     {
 343         return S_FALSE;
 344     }
 345     *color_space = m_xy_color_space;
 346     return S_OK;
 347 }
 348
 349 XySubRenderFrame* XySubRenderFrameCreater::NewXySubRenderFrame( UINT bitmap_count )
 350 {
 351     XySubRenderFrame *result = new XySubRenderFrame();
 352     ASSERT(result);
 353     result->m_output_rect = m_output_rect;
 354     result->m_clip_rect = m_clip_rect;
 355     result->m_xy_color_space = m_xy_color_space;
 356     result->m_bitmap_ids.SetCount(bitmap_count);
 357     result->m_bitmaps.SetCount(bitmap_count);
 358     return result;
 359 }
 360
 361 XyBitmap* XySubRenderFrameCreater::CreateBitmap( const RECT& target_rect )
 362 {
 363     return XyBitmap::CreateBitmap(target_rect, m_bitmap_layout);
 364 }
 365