int qp;
int qp_fixed;
int cbp;
+ ScanTable scantable;
/** intra prediction is done with un-deblocked samples
they are saved here before deblocking the MB */
uint8_t *top_border_y, *top_border_u, *top_border_v;
- uint8_t left_border_y[16], left_border_u[10], left_border_v[10];
+ uint8_t left_border_y[26], left_border_u[10], left_border_v[10];
+ uint8_t intern_border_y[26];
uint8_t topleft_border_y, topleft_border_u, topleft_border_v;
void (*intra_pred_l[8])(uint8_t *d,uint8_t *top,uint8_t *left,int stride);
int scale_den[2]; ///< for scaling neighbouring MVs
int got_keyframe;
+ DCTELEM *block;
} AVSContext;
/*****************************************************************************
memcpy(&h->top_border_u[h->mbx*10+1], h->cu + 7* h->c_stride,8);
memcpy(&h->top_border_v[h->mbx*10+1], h->cv + 7* h->c_stride,8);
for(i=0;i<8;i++) {
- h->left_border_y[i*2+0] = *(h->cy + 15 + (i*2+0)*h->l_stride);
- h->left_border_y[i*2+1] = *(h->cy + 15 + (i*2+1)*h->l_stride);
+ h->left_border_y[i*2+1] = *(h->cy + 15 + (i*2+0)*h->l_stride);
+ h->left_border_y[i*2+2] = *(h->cy + 15 + (i*2+1)*h->l_stride);
h->left_border_u[i+1] = *(h->cu + 7 + i*h->c_stride);
h->left_border_v[i+1] = *(h->cv + 7 + i*h->c_stride);
}
****************************************************************************/
static inline void load_intra_pred_luma(AVSContext *h, uint8_t *top,
- uint8_t *left, int block) {
+ uint8_t **left, int block) {
int i;
switch(block) {
case 0:
- memcpy(&left[1],h->left_border_y,16);
- left[0] = left[1];
- left[17] = left[16];
+ *left = h->left_border_y;
+ h->left_border_y[0] = h->left_border_y[1];
+ memset(&h->left_border_y[17],h->left_border_y[16],9);
memcpy(&top[1],&h->top_border_y[h->mbx*16],16);
top[17] = top[16];
top[0] = top[1];
if((h->flags & A_AVAIL) && (h->flags & B_AVAIL))
- left[0] = top[0] = h->topleft_border_y;
+ h->left_border_y[0] = top[0] = h->topleft_border_y;
break;
case 1:
+ *left = h->intern_border_y;
for(i=0;i<8;i++)
- left[i+1] = *(h->cy + 7 + i*h->l_stride);
- memset(&left[9],left[8],9);
- left[0] = left[1];
+ h->intern_border_y[i+1] = *(h->cy + 7 + i*h->l_stride);
+ memset(&h->intern_border_y[9],h->intern_border_y[8],9);
+ h->intern_border_y[0] = h->intern_border_y[1];
memcpy(&top[1],&h->top_border_y[h->mbx*16+8],8);
if(h->flags & C_AVAIL)
memcpy(&top[9],&h->top_border_y[(h->mbx + 1)*16],8);
top[17] = top[16];
top[0] = top[1];
if(h->flags & B_AVAIL)
- left[0] = top[0] = h->top_border_y[h->mbx*16+7];
+ h->intern_border_y[0] = top[0] = h->top_border_y[h->mbx*16+7];
break;
case 2:
- memcpy(&left[1],&h->left_border_y[8],8);
- memset(&left[9],left[8],9);
+ *left = &h->left_border_y[8];
memcpy(&top[1],h->cy + 7*h->l_stride,16);
top[17] = top[16];
- left[0] = h->left_border_y[7];
top[0] = top[1];
if(h->flags & A_AVAIL)
- top[0] = left[0];
+ top[0] = h->left_border_y[8];
break;
case 3:
- for(i=0;i<9;i++)
- left[i] = *(h->cy + 7 + (i+7)*h->l_stride);
- memset(&left[9],left[8],9);
+ *left = &h->intern_border_y[8];
+ for(i=0;i<8;i++)
+ h->intern_border_y[i+9] = *(h->cy + 7 + (i+8)*h->l_stride);
+ memset(&h->intern_border_y[17],h->intern_border_y[16],9);
memcpy(&top[0],h->cy + 7 + 7*h->l_stride,9);
memset(&top[9],top[8],9);
break;
vector_t *mvA = &h->mv[nP-1];
vector_t *mvB = &h->mv[nP-4];
vector_t *mvC = &h->mv[nC];
- vector_t *mvP2 = NULL;
+ const vector_t *mvP2 = NULL;
mvP->ref = ref;
mvP->dist = h->dist[mvP->ref];
if(mvC->ref == NOT_AVAIL)
mvC = &h->mv[nP-5]; // set to top-left (mvD)
- if(mode == MV_PRED_PSKIP) {
- if((mvA->ref == NOT_AVAIL) || (mvB->ref == NOT_AVAIL) ||
+ if((mode == MV_PRED_PSKIP) &&
+ ((mvA->ref == NOT_AVAIL) || (mvB->ref == NOT_AVAIL) ||
((mvA->x | mvA->y | mvA->ref) == 0) ||
- ((mvB->x | mvB->y | mvB->ref) == 0) ) {
- mvP->x = mvP->y = 0;
- set_mvs(mvP,size);
- return;
- }
- }
+ ((mvB->x | mvB->y | mvB->ref) == 0) )) {
+ mvP2 = &un_mv;
/* if there is only one suitable candidate, take it */
- if((mvA->ref >= 0) && (mvB->ref < 0) && (mvC->ref < 0)) {
+ } else if((mvA->ref >= 0) && (mvB->ref < 0) && (mvC->ref < 0)) {
mvP2= mvA;
} else if((mvA->ref < 0) && (mvB->ref >= 0) && (mvC->ref < 0)) {
mvP2= mvB;
int dqm = dequant_mul[qp];
int dqs = dequant_shift[qp];
int dqa = 1 << (dqs - 1);
- const uint8_t *scantab = ff_zigzag_direct;
- DCTELEM block[64];
+ const uint8_t *scantab = h->scantable.permutated;
+ DCTELEM *block = h->block;
- memset(block,0,64*sizeof(DCTELEM));
for(i=0;i<65;i++) {
level_code = get_ue_code(gb,r->golomb_order);
if(level_code >= ESCAPE_CODE) {
- run = (level_code - ESCAPE_CODE) >> 1;
+ run = ((level_code - ESCAPE_CODE) >> 1) + 1;
esc_code = get_ue_code(gb,esc_golomb_order);
level = esc_code + (run > r->max_run ? 1 : r->level_add[run]);
while(level > r->inc_limit)
mask = -(level_code & 1);
level = (level^mask) - mask;
} else {
- if(level_code < 0)
- return -1;
level = r->rltab[level_code][0];
if(!level) //end of block signal
break;
}
/* inverse scan and dequantization */
while(--i >= 0){
- pos += 1 + run_buf[i];
+ pos += run_buf[i];
if(pos > 63) {
av_log(h->s.avctx, AV_LOG_ERROR,
"position out of block bounds at pic %d MB(%d,%d)\n",
GetBitContext *gb = &h->s.gb;
int block, pred_mode_uv;
uint8_t top[18];
- uint8_t left[18];
+ uint8_t *left = NULL;
uint8_t *d;
init_mb(h);
/* luma intra prediction interleaved with residual decode/transform/add */
for(block=0;block<4;block++) {
d = h->cy + h->luma_scan[block];
- load_intra_pred_luma(h, top, left, block);
+ load_intra_pred_luma(h, top, &left, block);
h->intra_pred_l[h->pred_mode_Y[scan3x3[block]]]
(d, top, left, h->l_stride);
if(h->cbp & (1<<block))
if(mb_type & 1) { /* 16x8 macroblock types */
if(flags & FWD0)
mv_pred(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_TOP, BLK_16X8, 1);
- if(flags & SYM0) {
- mv_pred(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_TOP, BLK_16X8, 1);
+ if(flags & SYM0)
mv_pred_sym(h, &h->mv[MV_FWD_X0], BLK_16X8);
- }
if(flags & FWD1)
mv_pred(h, MV_FWD_X2, MV_FWD_A1, MV_PRED_LEFT, BLK_16X8, 1);
- if(flags & SYM1) {
- mv_pred(h, MV_FWD_X2, MV_FWD_A1, MV_PRED_LEFT, BLK_16X8, 1);
- mv_pred_sym(h, &h->mv[9], BLK_16X8);
- }
+ if(flags & SYM1)
+ mv_pred_sym(h, &h->mv[MV_FWD_X2], BLK_16X8);
if(flags & BWD0)
mv_pred(h, MV_BWD_X0, MV_BWD_C2, MV_PRED_TOP, BLK_16X8, 0);
if(flags & BWD1)
} else { /* 8x16 macroblock types */
if(flags & FWD0)
mv_pred(h, MV_FWD_X0, MV_FWD_B3, MV_PRED_LEFT, BLK_8X16, 1);
- if(flags & SYM0) {
- mv_pred(h, MV_FWD_X0, MV_FWD_B3, MV_PRED_LEFT, BLK_8X16, 1);
+ if(flags & SYM0)
mv_pred_sym(h, &h->mv[MV_FWD_X0], BLK_8X16);
- }
if(flags & FWD1)
mv_pred(h, MV_FWD_X1, MV_FWD_C2, MV_PRED_TOPRIGHT,BLK_8X16, 1);
- if(flags & SYM1) {
- mv_pred(h, MV_FWD_X1, MV_FWD_C2, MV_PRED_TOPRIGHT,BLK_8X16, 1);
- mv_pred_sym(h, &h->mv[6], BLK_8X16);
- }
+ if(flags & SYM1)
+ mv_pred_sym(h, &h->mv[MV_FWD_X1], BLK_8X16);
if(flags & BWD0)
mv_pred(h, MV_BWD_X0, MV_BWD_B3, MV_PRED_LEFT, BLK_8X16, 0);
if(flags & BWD1)
enum mb_t mb_type;
if (!s->context_initialized) {
+ s->avctx->idct_algo = FF_IDCT_CAVS;
if (MPV_common_init(s) < 0)
return -1;
+ ff_init_scantable(s->dsp.idct_permutation,&h->scantable,ff_zigzag_direct);
}
get_bits(&s->gb,16);//bbv_dwlay
if(h->stc == PIC_PB_START_CODE) {
/* alloc space for co-located MVs and types */
h->col_mv = av_malloc( h->mb_width*h->mb_height*4*sizeof(vector_t));
h->col_type_base = av_malloc(h->mb_width*h->mb_height);
+ h->block = av_mallocz(64*sizeof(DCTELEM));
}
static int decode_seq_header(AVSContext *h) {
av_free(h->top_border_v);
av_free(h->col_mv);
av_free(h->col_type_base);
+ av_free(h->block);
return 0;
}
projects / ffmpeg / blobdiff