214
213
pred_motion(h, n, 2, list, ref, mx, my);
217
static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
218
const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
219
const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
216
#define FIX_MV_MBAFF(type, refn, mvn, idx)\
219
if(!IS_INTERLACED(type)){\
221
AV_COPY32(mvbuf[idx], mvn);\
226
if(IS_INTERLACED(type)){\
228
AV_COPY32(mvbuf[idx], mvn);\
229
mvbuf[idx][1] <<= 1;\
235
static av_always_inline void pred_pskip_motion(H264Context * const h){
236
DECLARE_ALIGNED(4, static const int16_t, zeromv)[2] = {0};
237
DECLARE_ALIGNED(4, int16_t, mvbuf)[3][2];
238
MpegEncContext * const s = &h->s;
239
int8_t *ref = s->current_picture.f.ref_index[0];
240
int16_t (*mv)[2] = s->current_picture.f.motion_val[0];
241
int top_ref, left_ref, diagonal_ref, match_count, mx, my;
242
const int16_t *A, *B, *C;
243
int b_stride = h->b_stride;
245
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
247
/* To avoid doing an entire fill_decode_caches, we inline the relevant parts here.
248
* FIXME: this is a partial duplicate of the logic in fill_decode_caches, but it's
249
* faster this way. Is there a way to avoid this duplication?
251
if(USES_LIST(h->left_type[LTOP], 0)){
252
left_ref = ref[4*h->left_mb_xy[LTOP] + 1 + (h->left_block[0]&~1)];
253
A = mv[h->mb2b_xy[h->left_mb_xy[LTOP]] + 3 + b_stride*h->left_block[0]];
254
FIX_MV_MBAFF(h->left_type[LTOP], left_ref, A, 0);
255
if(!(left_ref | AV_RN32A(A))){
258
}else if(h->left_type[LTOP]){
259
left_ref = LIST_NOT_USED;
265
if(USES_LIST(h->top_type, 0)){
266
top_ref = ref[4*h->top_mb_xy + 2];
267
B = mv[h->mb2b_xy[h->top_mb_xy] + 3*b_stride];
268
FIX_MV_MBAFF(h->top_type, top_ref, B, 1);
269
if(!(top_ref | AV_RN32A(B))){
272
}else if(h->top_type){
273
top_ref = LIST_NOT_USED;
221
279
tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
223
if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
224
|| !( top_ref | AV_RN32A(h->mv_cache[0][ scan8[0] - 8 ]))
225
|| !(left_ref | AV_RN32A(h->mv_cache[0][ scan8[0] - 1 ]))){
231
pred_motion(h, 0, 4, 0, 0, mx, my);
281
if(USES_LIST(h->topright_type, 0)){
282
diagonal_ref = ref[4*h->topright_mb_xy + 2];
283
C = mv[h->mb2b_xy[h->topright_mb_xy] + 3*b_stride];
284
FIX_MV_MBAFF(h->topright_type, diagonal_ref, C, 2);
285
}else if(h->topright_type){
286
diagonal_ref = LIST_NOT_USED;
289
if(USES_LIST(h->topleft_type, 0)){
290
diagonal_ref = ref[4*h->topleft_mb_xy + 1 + (h->topleft_partition & 2)];
291
C = mv[h->mb2b_xy[h->topleft_mb_xy] + 3 + b_stride + (h->topleft_partition & 2*b_stride)];
292
FIX_MV_MBAFF(h->topleft_type, diagonal_ref, C, 2);
293
}else if(h->topleft_type){
294
diagonal_ref = LIST_NOT_USED;
297
diagonal_ref = PART_NOT_AVAILABLE;
302
match_count= !diagonal_ref + !top_ref + !left_ref;
303
tprintf(h->s.avctx, "pred_pskip_motion match_count=%d\n", match_count);
305
mx = mid_pred(A[0], B[0], C[0]);
306
my = mid_pred(A[1], B[1], C[1]);
307
}else if(match_count==1){
319
mx = mid_pred(A[0], B[0], C[0]);
320
my = mid_pred(A[1], B[1], C[1]);
323
fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
326
fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
330
static void fill_decode_neighbors(H264Context *h, int mb_type){
331
MpegEncContext * const s = &h->s;
332
const int mb_xy= h->mb_xy;
333
int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];
334
static const uint8_t left_block_options[4][32]={
335
{0,1,2,3,7,10,8,11,3+0*4, 3+1*4, 3+2*4, 3+3*4, 1+4*4, 1+8*4, 1+5*4, 1+9*4},
336
{2,2,3,3,8,11,8,11,3+2*4, 3+2*4, 3+3*4, 3+3*4, 1+5*4, 1+9*4, 1+5*4, 1+9*4},
337
{0,0,1,1,7,10,7,10,3+0*4, 3+0*4, 3+1*4, 3+1*4, 1+4*4, 1+8*4, 1+4*4, 1+8*4},
338
{0,2,0,2,7,10,7,10,3+0*4, 3+2*4, 3+0*4, 3+2*4, 1+4*4, 1+8*4, 1+4*4, 1+8*4}
341
h->topleft_partition= -1;
343
top_xy = mb_xy - (s->mb_stride << MB_FIELD);
345
/* Wow, what a mess, why didn't they simplify the interlacing & intra
346
* stuff, I can't imagine that these complex rules are worth it. */
348
topleft_xy = top_xy - 1;
349
topright_xy= top_xy + 1;
350
left_xy[LBOT] = left_xy[LTOP] = mb_xy-1;
351
h->left_block = left_block_options[0];
353
const int left_mb_field_flag = IS_INTERLACED(s->current_picture.f.mb_type[mb_xy - 1]);
354
const int curr_mb_field_flag = IS_INTERLACED(mb_type);
356
if (left_mb_field_flag != curr_mb_field_flag) {
357
left_xy[LBOT] = left_xy[LTOP] = mb_xy - s->mb_stride - 1;
358
if (curr_mb_field_flag) {
359
left_xy[LBOT] += s->mb_stride;
360
h->left_block = left_block_options[3];
362
topleft_xy += s->mb_stride;
363
// take top left mv from the middle of the mb, as opposed to all other modes which use the bottom right partition
364
h->topleft_partition = 0;
365
h->left_block = left_block_options[1];
369
if(curr_mb_field_flag){
370
topleft_xy += s->mb_stride & (((s->current_picture.f.mb_type[top_xy - 1] >> 7) & 1) - 1);
371
topright_xy += s->mb_stride & (((s->current_picture.f.mb_type[top_xy + 1] >> 7) & 1) - 1);
372
top_xy += s->mb_stride & (((s->current_picture.f.mb_type[top_xy ] >> 7) & 1) - 1);
374
if (left_mb_field_flag != curr_mb_field_flag) {
375
if (curr_mb_field_flag) {
376
left_xy[LBOT] += s->mb_stride;
377
h->left_block = left_block_options[3];
379
h->left_block = left_block_options[2];
385
h->topleft_mb_xy = topleft_xy;
386
h->top_mb_xy = top_xy;
387
h->topright_mb_xy= topright_xy;
388
h->left_mb_xy[LTOP] = left_xy[LTOP];
389
h->left_mb_xy[LBOT] = left_xy[LBOT];
390
//FIXME do we need all in the context?
392
h->topleft_type = s->current_picture.f.mb_type[topleft_xy];
393
h->top_type = s->current_picture.f.mb_type[top_xy];
394
h->topright_type = s->current_picture.f.mb_type[topright_xy];
395
h->left_type[LTOP] = s->current_picture.f.mb_type[left_xy[LTOP]];
396
h->left_type[LBOT] = s->current_picture.f.mb_type[left_xy[LBOT]];
399
if(h->slice_table[topleft_xy ] != h->slice_num) h->topleft_type = 0;
400
if(h->slice_table[top_xy ] != h->slice_num) h->top_type = 0;
401
if(h->slice_table[left_xy[LTOP] ] != h->slice_num) h->left_type[LTOP] = h->left_type[LBOT] = 0;
403
if(h->slice_table[topleft_xy ] != h->slice_num){
405
if(h->slice_table[top_xy ] != h->slice_num) h->top_type = 0;
406
if(h->slice_table[left_xy[LTOP] ] != h->slice_num) h->left_type[LTOP] = h->left_type[LBOT] = 0;
409
if(h->slice_table[topright_xy] != h->slice_num) h->topright_type= 0;
412
static void fill_decode_caches(H264Context *h, int mb_type){
413
MpegEncContext * const s = &h->s;
414
int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];
415
int topleft_type, top_type, topright_type, left_type[LEFT_MBS];
416
const uint8_t * left_block= h->left_block;
421
topleft_xy = h->topleft_mb_xy;
422
top_xy = h->top_mb_xy;
423
topright_xy = h->topright_mb_xy;
424
left_xy[LTOP] = h->left_mb_xy[LTOP];
425
left_xy[LBOT] = h->left_mb_xy[LBOT];
426
topleft_type = h->topleft_type;
427
top_type = h->top_type;
428
topright_type = h->topright_type;
429
left_type[LTOP]= h->left_type[LTOP];
430
left_type[LBOT]= h->left_type[LBOT];
432
if(!IS_SKIP(mb_type)){
433
if(IS_INTRA(mb_type)){
434
int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
435
h->topleft_samples_available=
436
h->top_samples_available=
437
h->left_samples_available= 0xFFFF;
438
h->topright_samples_available= 0xEEEA;
440
if(!(top_type & type_mask)){
441
h->topleft_samples_available= 0xB3FF;
442
h->top_samples_available= 0x33FF;
443
h->topright_samples_available= 0x26EA;
445
if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[LTOP])){
446
if(IS_INTERLACED(mb_type)){
447
if(!(left_type[LTOP] & type_mask)){
448
h->topleft_samples_available&= 0xDFFF;
449
h->left_samples_available&= 0x5FFF;
451
if(!(left_type[LBOT] & type_mask)){
452
h->topleft_samples_available&= 0xFF5F;
453
h->left_samples_available&= 0xFF5F;
456
int left_typei = s->current_picture.f.mb_type[left_xy[LTOP] + s->mb_stride];
458
assert(left_xy[LTOP] == left_xy[LBOT]);
459
if(!((left_typei & type_mask) && (left_type[LTOP] & type_mask))){
460
h->topleft_samples_available&= 0xDF5F;
461
h->left_samples_available&= 0x5F5F;
465
if(!(left_type[LTOP] & type_mask)){
466
h->topleft_samples_available&= 0xDF5F;
467
h->left_samples_available&= 0x5F5F;
471
if(!(topleft_type & type_mask))
472
h->topleft_samples_available&= 0x7FFF;
474
if(!(topright_type & type_mask))
475
h->topright_samples_available&= 0xFBFF;
477
if(IS_INTRA4x4(mb_type)){
478
if(IS_INTRA4x4(top_type)){
479
AV_COPY32(h->intra4x4_pred_mode_cache+4+8*0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);
481
h->intra4x4_pred_mode_cache[4+8*0]=
482
h->intra4x4_pred_mode_cache[5+8*0]=
483
h->intra4x4_pred_mode_cache[6+8*0]=
484
h->intra4x4_pred_mode_cache[7+8*0]= 2 - 3*!(top_type & type_mask);
487
if(IS_INTRA4x4(left_type[LEFT(i)])){
488
int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];
489
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= mode[6-left_block[0+2*i]];
490
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= mode[6-left_block[1+2*i]];
492
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
493
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= 2 - 3*!(left_type[LEFT(i)] & type_mask);
508
//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
509
nnz_cache = h->non_zero_count_cache;
511
nnz = h->non_zero_count[top_xy];
512
AV_COPY32(&nnz_cache[4+8* 0], &nnz[4*3]);
513
if(!s->chroma_y_shift){
514
AV_COPY32(&nnz_cache[4+8* 5], &nnz[4* 7]);
515
AV_COPY32(&nnz_cache[4+8*10], &nnz[4*11]);
517
AV_COPY32(&nnz_cache[4+8* 5], &nnz[4* 5]);
518
AV_COPY32(&nnz_cache[4+8*10], &nnz[4* 9]);
521
uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
522
AV_WN32A(&nnz_cache[4+8* 0], top_empty);
523
AV_WN32A(&nnz_cache[4+8* 5], top_empty);
524
AV_WN32A(&nnz_cache[4+8*10], top_empty);
527
for (i=0; i<2; i++) {
528
if(left_type[LEFT(i)]){
529
nnz = h->non_zero_count[left_xy[LEFT(i)]];
530
nnz_cache[3+8* 1 + 2*8*i]= nnz[left_block[8+0+2*i]];
531
nnz_cache[3+8* 2 + 2*8*i]= nnz[left_block[8+1+2*i]];
533
nnz_cache[3+8* 6 + 2*8*i]= nnz[left_block[8+0+2*i]+4*4];
534
nnz_cache[3+8* 7 + 2*8*i]= nnz[left_block[8+1+2*i]+4*4];
535
nnz_cache[3+8*11 + 2*8*i]= nnz[left_block[8+0+2*i]+8*4];
536
nnz_cache[3+8*12 + 2*8*i]= nnz[left_block[8+1+2*i]+8*4];
537
}else if(CHROMA422) {
538
nnz_cache[3+8* 6 + 2*8*i]= nnz[left_block[8+0+2*i]-2+4*4];
539
nnz_cache[3+8* 7 + 2*8*i]= nnz[left_block[8+1+2*i]-2+4*4];
540
nnz_cache[3+8*11 + 2*8*i]= nnz[left_block[8+0+2*i]-2+8*4];
541
nnz_cache[3+8*12 + 2*8*i]= nnz[left_block[8+1+2*i]-2+8*4];
543
nnz_cache[3+8* 6 + 8*i]= nnz[left_block[8+4+2*i]];
544
nnz_cache[3+8*11 + 8*i]= nnz[left_block[8+5+2*i]];
547
nnz_cache[3+8* 1 + 2*8*i]=
548
nnz_cache[3+8* 2 + 2*8*i]=
549
nnz_cache[3+8* 6 + 2*8*i]=
550
nnz_cache[3+8* 7 + 2*8*i]=
551
nnz_cache[3+8*11 + 2*8*i]=
552
nnz_cache[3+8*12 + 2*8*i]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;
559
h->top_cbp = h->cbp_table[top_xy];
561
h->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
564
if (left_type[LTOP]) {
565
h->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0)
566
| ((h->cbp_table[left_xy[LTOP]]>>(left_block[0]&(~1)))&2)
567
| (((h->cbp_table[left_xy[LBOT]]>>(left_block[2]&(~1)))&2) << 2);
569
h->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;
574
if(IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)){
576
int b_stride = h->b_stride;
577
for(list=0; list<h->list_count; list++){
578
int8_t *ref_cache = &h->ref_cache[list][scan8[0]];
579
int8_t *ref = s->current_picture.f.ref_index[list];
580
int16_t (*mv_cache)[2] = &h->mv_cache[list][scan8[0]];
581
int16_t (*mv)[2] = s->current_picture.f.motion_val[list];
582
if(!USES_LIST(mb_type, list)){
585
assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));
587
if(USES_LIST(top_type, list)){
588
const int b_xy= h->mb2b_xy[top_xy] + 3*b_stride;
589
AV_COPY128(mv_cache[0 - 1*8], mv[b_xy + 0]);
591
ref_cache[1 - 1*8]= ref[4*top_xy + 2];
593
ref_cache[3 - 1*8]= ref[4*top_xy + 3];
595
AV_ZERO128(mv_cache[0 - 1*8]);
596
AV_WN32A(&ref_cache[0 - 1*8], ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101u);
599
if(mb_type & (MB_TYPE_16x8|MB_TYPE_8x8)){
601
int cache_idx = -1 + i*2*8;
602
if(USES_LIST(left_type[LEFT(i)], list)){
603
const int b_xy= h->mb2b_xy[left_xy[LEFT(i)]] + 3;
604
const int b8_xy= 4*left_xy[LEFT(i)] + 1;
605
AV_COPY32(mv_cache[cache_idx ], mv[b_xy + b_stride*left_block[0+i*2]]);
606
AV_COPY32(mv_cache[cache_idx+8], mv[b_xy + b_stride*left_block[1+i*2]]);
607
ref_cache[cache_idx ]= ref[b8_xy + (left_block[0+i*2]&~1)];
608
ref_cache[cache_idx+8]= ref[b8_xy + (left_block[1+i*2]&~1)];
610
AV_ZERO32(mv_cache[cache_idx ]);
611
AV_ZERO32(mv_cache[cache_idx+8]);
612
ref_cache[cache_idx ]=
613
ref_cache[cache_idx+8]= (left_type[LEFT(i)]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;
617
if(USES_LIST(left_type[LTOP], list)){
618
const int b_xy= h->mb2b_xy[left_xy[LTOP]] + 3;
619
const int b8_xy= 4*left_xy[LTOP] + 1;
620
AV_COPY32(mv_cache[-1], mv[b_xy + b_stride*left_block[0]]);
621
ref_cache[-1]= ref[b8_xy + (left_block[0]&~1)];
623
AV_ZERO32(mv_cache[-1]);
624
ref_cache[-1]= left_type[LTOP] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
628
if(USES_LIST(topright_type, list)){
629
const int b_xy= h->mb2b_xy[topright_xy] + 3*b_stride;
630
AV_COPY32(mv_cache[4 - 1*8], mv[b_xy]);
631
ref_cache[4 - 1*8]= ref[4*topright_xy + 2];
633
AV_ZERO32(mv_cache[4 - 1*8]);
634
ref_cache[4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
636
if(ref_cache[4 - 1*8] < 0){
637
if(USES_LIST(topleft_type, list)){
638
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + b_stride + (h->topleft_partition & 2*b_stride);
639
const int b8_xy= 4*topleft_xy + 1 + (h->topleft_partition & 2);
640
AV_COPY32(mv_cache[-1 - 1*8], mv[b_xy]);
641
ref_cache[-1 - 1*8]= ref[b8_xy];
643
AV_ZERO32(mv_cache[-1 - 1*8]);
644
ref_cache[-1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
648
if((mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2)) && !FRAME_MBAFF)
651
if(!(mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2))){
652
uint8_t (*mvd_cache)[2] = &h->mvd_cache[list][scan8[0]];
653
uint8_t (*mvd)[2] = h->mvd_table[list];
655
ref_cache[2+8*2] = PART_NOT_AVAILABLE;
656
AV_ZERO32(mv_cache[2+8*0]);
657
AV_ZERO32(mv_cache[2+8*2]);
660
if(USES_LIST(top_type, list)){
661
const int b_xy= h->mb2br_xy[top_xy];
662
AV_COPY64(mvd_cache[0 - 1*8], mvd[b_xy + 0]);
664
AV_ZERO64(mvd_cache[0 - 1*8]);
666
if(USES_LIST(left_type[LTOP], list)){
667
const int b_xy= h->mb2br_xy[left_xy[LTOP]] + 6;
668
AV_COPY16(mvd_cache[-1 + 0*8], mvd[b_xy - left_block[0]]);
669
AV_COPY16(mvd_cache[-1 + 1*8], mvd[b_xy - left_block[1]]);
671
AV_ZERO16(mvd_cache[-1 + 0*8]);
672
AV_ZERO16(mvd_cache[-1 + 1*8]);
674
if(USES_LIST(left_type[LBOT], list)){
675
const int b_xy= h->mb2br_xy[left_xy[LBOT]] + 6;
676
AV_COPY16(mvd_cache[-1 + 2*8], mvd[b_xy - left_block[2]]);
677
AV_COPY16(mvd_cache[-1 + 3*8], mvd[b_xy - left_block[3]]);
679
AV_ZERO16(mvd_cache[-1 + 2*8]);
680
AV_ZERO16(mvd_cache[-1 + 3*8]);
682
AV_ZERO16(mvd_cache[2+8*0]);
683
AV_ZERO16(mvd_cache[2+8*2]);
684
if(h->slice_type_nos == AV_PICTURE_TYPE_B){
685
uint8_t *direct_cache = &h->direct_cache[scan8[0]];
686
uint8_t *direct_table = h->direct_table;
687
fill_rectangle(direct_cache, 4, 4, 8, MB_TYPE_16x16>>1, 1);
689
if(IS_DIRECT(top_type)){
690
AV_WN32A(&direct_cache[-1*8], 0x01010101u*(MB_TYPE_DIRECT2>>1));
691
}else if(IS_8X8(top_type)){
692
int b8_xy = 4*top_xy;
693
direct_cache[0 - 1*8]= direct_table[b8_xy + 2];
694
direct_cache[2 - 1*8]= direct_table[b8_xy + 3];
696
AV_WN32A(&direct_cache[-1*8], 0x01010101*(MB_TYPE_16x16>>1));
699
if(IS_DIRECT(left_type[LTOP]))
700
direct_cache[-1 + 0*8]= MB_TYPE_DIRECT2>>1;
701
else if(IS_8X8(left_type[LTOP]))
702
direct_cache[-1 + 0*8]= direct_table[4*left_xy[LTOP] + 1 + (left_block[0]&~1)];
704
direct_cache[-1 + 0*8]= MB_TYPE_16x16>>1;
706
if(IS_DIRECT(left_type[LBOT]))
707
direct_cache[-1 + 2*8]= MB_TYPE_DIRECT2>>1;
708
else if(IS_8X8(left_type[LBOT]))
709
direct_cache[-1 + 2*8]= direct_table[4*left_xy[LBOT] + 1 + (left_block[2]&~1)];
711
direct_cache[-1 + 2*8]= MB_TYPE_16x16>>1;
717
MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
718
MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
719
MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
720
MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
721
MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
722
MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
723
MAP_F2F(scan8[0] - 1 + 0*8, left_type[LTOP])\
724
MAP_F2F(scan8[0] - 1 + 1*8, left_type[LTOP])\
725
MAP_F2F(scan8[0] - 1 + 2*8, left_type[LBOT])\
726
MAP_F2F(scan8[0] - 1 + 3*8, left_type[LBOT])
728
#define MAP_F2F(idx, mb_type)\
729
if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
730
h->ref_cache[list][idx] <<= 1;\
731
h->mv_cache[list][idx][1] /= 2;\
732
h->mvd_cache[list][idx][1] >>=1;\
737
#define MAP_F2F(idx, mb_type)\
738
if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
739
h->ref_cache[list][idx] >>= 1;\
740
h->mv_cache[list][idx][1] <<= 1;\
741
h->mvd_cache[list][idx][1] <<= 1;\
750
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);
754
* decodes a P_SKIP or B_SKIP macroblock
756
static void av_unused decode_mb_skip(H264Context *h){
757
MpegEncContext * const s = &h->s;
758
const int mb_xy= h->mb_xy;
761
memset(h->non_zero_count[mb_xy], 0, 48);
764
mb_type|= MB_TYPE_INTERLACED;
766
if( h->slice_type_nos == AV_PICTURE_TYPE_B )
768
// just for fill_caches. pred_direct_motion will set the real mb_type
769
mb_type|= MB_TYPE_L0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
770
if(h->direct_spatial_mv_pred){
771
fill_decode_neighbors(h, mb_type);
772
fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
774
ff_h264_pred_direct_motion(h, &mb_type);
775
mb_type|= MB_TYPE_SKIP;
779
mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
781
fill_decode_neighbors(h, mb_type);
782
pred_pskip_motion(h);
785
write_back_motion(h, mb_type);
786
s->current_picture.f.mb_type[mb_xy] = mb_type;
787
s->current_picture.f.qscale_table[mb_xy] = s->qscale;
788
h->slice_table[ mb_xy ]= h->slice_num;
789
h->prev_mb_skipped= 1;
236
792
#endif /* AVCODEC_H264_MVPRED_H */