Looks better for some cases, worse for others, overall not much difference. Its more correct though. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Unified · Split
| @@ -381,6 +381,14 @@ static void guess_mv(MpegEncContext *s){ · 380 unmodified lines | ||
| 381 | 381 | fixed[mb_xy]= f; |
| 382 | 382 | if(f==MV_FROZEN) |
| 383 | 383 | num_avail++; |
| 384 | + else if(s->last_picture.data[0]){ | |
| 385 | + const int mb_y= mb_xy / s->mb_stride; | |
| 386 | + const int mb_x= mb_xy % s->mb_stride; | |
| 387 | + const int mot_index= (mb_x + mb_y*mot_stride) * mot_step; | |
| 388 | + s->current_picture.motion_val[0][mot_index][0]= s->last_picture.motion_val[0][mot_index][0]; | |
| 389 | + s->current_picture.motion_val[0][mot_index][1]= s->last_picture.motion_val[0][mot_index][1]; | |
| 390 | + s->current_picture.ref_index[0][4*mb_xy] = s->last_picture.ref_index[0][4*mb_xy]; | |
| 391 | + } | |
| 384 | 392 | } |
| 385 | 393 | |
| 386 | 394 | if((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) || num_avail <= mb_width/2){ |
| @@ -1,4 +1,4 @@ | ||
| 1 | 1 | 7416dfd319f04044d4575dc9d1b406e1 *./tests/data/vsynth1/error-mpeg4-adv.avi |
| 2 | 2 | 756836 ./tests/data/vsynth1/error-mpeg4-adv.avi |
| 3 | −ef8bfcd6e0883daba95d0f32486ebe2d *./tests/data/error.vsynth1.out.yuv | |
| 4 | −stddev: 18.05 PSNR: 23.00 MAXDIFF: 245 bytes: 7603200/ 7603200 | |
| 3 | +79e94ba32b37759397362cbcb479d4d3 *./tests/data/error.vsynth1.out.yuv | |
| 4 | +stddev: 18.36 PSNR: 22.85 MAXDIFF: 243 bytes: 7603200/ 7603200 | |
| @@ -1,4 +1,4 @@ | ||
| 1 | 1 | 90e65096aa9ebafa3fe3f44a5a47cdc4 *./tests/data/vsynth2/error-mpeg4-adv.avi |
| 2 | 2 | 176588 ./tests/data/vsynth2/error-mpeg4-adv.avi |
| 3 | −9fe1082179f80179439953c7397a46ef *./tests/data/error.vsynth2.out.yuv | |
| 4 | −stddev: 9.00 PSNR: 29.04 MAXDIFF: 168 bytes: 7603200/ 7603200 | |
| 3 | +96baa9e4c24c837a3ba5abd8dd2cdd30 *./tests/data/error.vsynth2.out.yuv | |
| 4 | +stddev: 8.98 PSNR: 29.06 MAXDIFF: 184 bytes: 7603200/ 7603200 | |