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: vop_type_decision.c,v 1.1.2.1 2003-09-10 22:19:00 edgomez Exp $ |
* $Id: vop_type_decision.c,v 1.1.2.2 2003-09-30 18:20:31 edgomez Exp $ |
23 |
* |
* |
24 |
****************************************************************************/ |
****************************************************************************/ |
25 |
|
|
137 |
MEanalysis( const IMAGE * const pRef, |
MEanalysis( const IMAGE * const pRef, |
138 |
const FRAMEINFO * const Current, |
const FRAMEINFO * const Current, |
139 |
const MBParam * const pParam, |
const MBParam * const pParam, |
140 |
const int maxIntra, //maximum number if non-I frames |
const int maxIntra, /* maximum number if non-I frames */ |
141 |
const int intraCount, //number of non-I frames after last I frame; 0 if we force P/B frame |
const int intraCount, /* number of non-I frames after last I frame; 0 if we force P/B frame */ |
142 |
const int bCount, // number of B frames in a row |
const int bCount, /* number of B frames in a row */ |
143 |
const int b_thresh) |
const int b_thresh) |
144 |
{ |
{ |
145 |
uint32_t x, y, intra = 0; |
uint32_t x, y, intra = 0; |
164 |
Data.qpel_precision = 0; |
Data.qpel_precision = 0; |
165 |
|
|
166 |
if (intraCount != 0) { |
if (intraCount != 0) { |
167 |
if (intraCount < 10) // we're right after an I frame |
if (intraCount < 10) /* we're right after an I frame */ |
168 |
IntraThresh += 15* (intraCount - 10) * (intraCount - 10); |
IntraThresh += 15* (intraCount - 10) * (intraCount - 10); |
169 |
else |
else |
170 |
if ( 5*(maxIntra - intraCount) < maxIntra) // we're close to maximum. 2 sec when max is 10 sec |
if ( 5*(maxIntra - intraCount) < maxIntra) /* we're close to maximum. 2 sec when max is 10 sec */ |
171 |
IntraThresh -= (IntraThresh * (maxIntra - 8*(maxIntra - intraCount)))/maxIntra; |
IntraThresh -= (IntraThresh * (maxIntra - 8*(maxIntra - intraCount)))/maxIntra; |
172 |
} |
} |
173 |
|
|
182 |
blocks += 10; |
blocks += 10; |
183 |
|
|
184 |
if (bCount == 0) pMBs[x + y * pParam->mb_width].mvs[0] = zeroMV; |
if (bCount == 0) pMBs[x + y * pParam->mb_width].mvs[0] = zeroMV; |
185 |
else { //extrapolation of the vector found for last frame |
else { /* extrapolation of the vector found for last frame */ |
186 |
pMBs[x + y * pParam->mb_width].mvs[0].x = |
pMBs[x + y * pParam->mb_width].mvs[0].x = |
187 |
(pMBs[x + y * pParam->mb_width].mvs[0].x * (bCount+1) ) / bCount; |
(pMBs[x + y * pParam->mb_width].mvs[0].x * (bCount+1) ) / bCount; |
188 |
pMBs[x + y * pParam->mb_width].mvs[0].y = |
pMBs[x + y * pParam->mb_width].mvs[0].y = |