19 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 |
* |
* |
22 |
* $Id: gmc.c,v 1.1.2.6 2003-10-01 23:23:01 edgomez Exp $ |
* $Id: gmc.c,v 1.1.2.7 2004-03-04 00:47:17 syskin Exp $ |
23 |
* |
* |
24 |
****************************************************************************/ |
****************************************************************************/ |
25 |
|
|
70 |
U += dUx; V += dVx; |
U += dUx; V += dVx; |
71 |
|
|
72 |
if (u > 0 && u <= W) { ri = MTab[u&15]; Offset = u>>4; } |
if (u > 0 && u <= W) { ri = MTab[u&15]; Offset = u>>4; } |
73 |
else if (u > W) Offset = W>>4; |
else { |
74 |
|
if (u > W) Offset = W>>4; |
75 |
else Offset = -1; |
else Offset = -1; |
76 |
|
ri = 0; |
77 |
|
} |
78 |
|
|
79 |
if (v > 0 && v <= H) { rj = MTab[v&15]; Offset += (v>>4)*srcstride; } |
if (v > 0 && v <= H) { rj = MTab[v&15]; Offset += (v>>4)*srcstride; } |
80 |
else if (v > H) Offset += (H>>4)*srcstride; |
else { |
81 |
|
if (v > H) Offset += (H>>4)*srcstride; |
82 |
else Offset -= srcstride; |
else Offset -= srcstride; |
83 |
|
rj = 0; |
84 |
|
} |
85 |
|
|
86 |
f0 = src[Offset + 0]; |
f0 = src[Offset + 0]; |
87 |
f0 |= src[Offset + 1] << 16; |
f0 |= src[Offset + 1] << 16; |
220 |
|
|
221 |
int32_t uo = This->Uo + (x<<8); /* ((16*x)<<4) */ |
int32_t uo = This->Uo + (x<<8); /* ((16*x)<<4) */ |
222 |
int32_t vo = This->Vo + (y<<8); |
int32_t vo = This->Vo + (y<<8); |
223 |
const uint32_t ri = MTab[uo & 15]; |
uint32_t ri = MTab[uo & 15]; |
224 |
const uint32_t rj = MTab[vo & 15]; |
uint32_t rj = MTab[vo & 15]; |
225 |
int i, j; |
int i, j; |
226 |
|
|
227 |
int32_t Offset; |
int32_t Offset; |
228 |
if ((uint32_t)vo<=(uint32_t)H) Offset = (vo>>4)*srcstride; |
if (vo>=(-16*4) && vo<=H) Offset = (vo>>4)*srcstride; |
229 |
else if (vo>H) Offset = ( H>>4)*srcstride; |
else { |
230 |
|
if (vo>H) Offset = ( H>>4)*srcstride; |
231 |
else Offset =-16*srcstride; |
else Offset =-16*srcstride; |
232 |
if ((uint32_t)uo<=(uint32_t)W) Offset += (uo>>4); |
rj = MTab[0]; |
233 |
else if (uo>W) Offset += ( W>>4); |
} |
234 |
|
if (uo>=(-16*4) && uo<=W) Offset += (uo>>4); |
235 |
|
else { |
236 |
|
if (uo>W) Offset += (W>>4); |
237 |
else Offset -= 16; |
else Offset -= 16; |
238 |
|
ri = MTab[0]; |
239 |
|
} |
240 |
|
|
241 |
Dst += 16; |
Dst += 16; |
242 |
|
|
271 |
|
|
272 |
int32_t uo = This->Uco + (x<<7); |
int32_t uo = This->Uco + (x<<7); |
273 |
int32_t vo = This->Vco + (y<<7); |
int32_t vo = This->Vco + (y<<7); |
274 |
const uint32_t rri = MTab[uo & 15]; |
uint32_t rri = MTab[uo & 15]; |
275 |
const uint32_t rrj = MTab[vo & 15]; |
uint32_t rrj = MTab[vo & 15]; |
276 |
int i, j; |
int i, j; |
277 |
|
|
278 |
int32_t Offset; |
int32_t Offset; |
279 |
if ((uint32_t)vo<=(uint32_t)H) Offset = (vo>>4)*srcstride; |
if (vo>=(-8*4) && vo<=H) Offset = (vo>>4)*srcstride; |
280 |
else if (vo>H) Offset = ( H>>4)*srcstride; |
else { |
281 |
|
if (vo>H) Offset = ( H>>4)*srcstride; |
282 |
else Offset =-8*srcstride; |
else Offset =-8*srcstride; |
283 |
if ((uint32_t)uo<=(uint32_t)W) Offset += (uo>>4); |
rrj = MTab[0]; |
284 |
else if (uo>W) Offset += (W>>4); |
} |
285 |
|
if (uo>=(-8*4) && uo<=W) Offset += (uo>>4); |
286 |
|
else { |
287 |
|
if (uo>W) Offset += ( W>>4); |
288 |
else Offset -= 8; |
else Offset -= 8; |
289 |
|
rri = MTab[0]; |
290 |
|
} |
291 |
|
|
292 |
uDst += 8; |
uDst += 8; |
293 |
vDst += 8; |
vDst += 8; |