#include "mpegvideo.h"
#include "h264.h"
#include "h264data.h"
+#include "h264_mvpred.h"
#include "h264_parser.h"
#include "golomb.h"
#include "mathops.h"
#include "vdpau_internal.h"
#include "cabac.h"
-#if ARCH_X86
-#include "x86/h264_i386.h"
-#endif
//#undef NDEBUG
#include <assert.h>
-/**
- * Value of Picture.reference when Picture is not a reference picture, but
- * is held for delayed output.
- */
-#define DELAYED_PIC_REF 4
-
-static VLC coeff_token_vlc[4];
-static VLC_TYPE coeff_token_vlc_tables[520+332+280+256][2];
-static const int coeff_token_vlc_tables_size[4]={520,332,280,256};
-
-static VLC chroma_dc_coeff_token_vlc;
-static VLC_TYPE chroma_dc_coeff_token_vlc_table[256][2];
-static const int chroma_dc_coeff_token_vlc_table_size = 256;
-
-static VLC total_zeros_vlc[15];
-static VLC_TYPE total_zeros_vlc_tables[15][512][2];
-static const int total_zeros_vlc_tables_size = 512;
-
-static VLC chroma_dc_total_zeros_vlc[3];
-static VLC_TYPE chroma_dc_total_zeros_vlc_tables[3][8][2];
-static const int chroma_dc_total_zeros_vlc_tables_size = 8;
-
-static VLC run_vlc[6];
-static VLC_TYPE run_vlc_tables[6][8][2];
-static const int run_vlc_tables_size = 8;
-
-static VLC run7_vlc;
-static VLC_TYPE run7_vlc_table[96][2];
-static const int run7_vlc_table_size = 96;
-
-static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
-static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
-static Picture * remove_long(H264Context *h, int i, int ref_mask);
-
static const uint8_t rem6[52]={
0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
};
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
};
-static const uint8_t left_block_options[4][8]={
- {0,1,2,3,7,10,8,11},
- {2,2,3,3,8,11,8,11},
- {0,0,1,1,7,10,7,10},
- {0,2,0,2,7,10,7,10}
-};
+void ff_h264_write_back_intra_pred_mode(H264Context *h){
+ const int mb_xy= h->mb_xy;
-#define LEVEL_TAB_BITS 8
-static int8_t cavlc_level_tab[7][1<<LEVEL_TAB_BITS][2];
+ h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
+ h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
+ h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
+ h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
+ h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
+ h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
+ h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
+}
-static void fill_caches(H264Context *h, int mb_type, int for_deblock){
+/**
+ * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ */
+int ff_h264_check_intra4x4_pred_mode(H264Context *h){
MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- int topleft_xy, top_xy, topright_xy, left_xy[2];
- int topleft_type, top_type, topright_type, left_type[2];
- const uint8_t * left_block;
- int topleft_partition= -1;
+ static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
+ static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
int i;
- top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
-
- //FIXME deblocking could skip the intra and nnz parts.
- if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[top_xy]) && !FRAME_MBAFF)
- return;
-
- /* Wow, what a mess, why didn't they simplify the interlacing & intra
- * stuff, I can't imagine that these complex rules are worth it. */
-
- topleft_xy = top_xy - 1;
- topright_xy= top_xy + 1;
- left_xy[1] = left_xy[0] = mb_xy-1;
- left_block = left_block_options[0];
- if(FRAME_MBAFF){
- const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
- const int top_pair_xy = pair_xy - s->mb_stride;
- const int topleft_pair_xy = top_pair_xy - 1;
- const int topright_pair_xy = top_pair_xy + 1;
- const int topleft_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
- const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
- const int topright_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
- const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
- const int curr_mb_field_flag = IS_INTERLACED(mb_type);
- const int bottom = (s->mb_y & 1);
- tprintf(s->avctx, "fill_caches: curr_mb_field_flag:%d, left_mb_field_flag:%d, topleft_mb_field_flag:%d, top_mb_field_flag:%d, topright_mb_field_flag:%d\n", curr_mb_field_flag, left_mb_field_flag, topleft_mb_field_flag, top_mb_field_flag, topright_mb_field_flag);
-
- if (curr_mb_field_flag && (bottom || top_mb_field_flag)){
- top_xy -= s->mb_stride;
- }
- if (curr_mb_field_flag && (bottom || topleft_mb_field_flag)){
- topleft_xy -= s->mb_stride;
- } else if(bottom && !curr_mb_field_flag && left_mb_field_flag) {
- topleft_xy += s->mb_stride;
- // take top left mv from the middle of the mb, as opposed to all other modes which use the bottom right partition
- topleft_partition = 0;
- }
- if (curr_mb_field_flag && (bottom || topright_mb_field_flag)){
- topright_xy -= s->mb_stride;
- }
- if (left_mb_field_flag != curr_mb_field_flag) {
- left_xy[1] = left_xy[0] = pair_xy - 1;
- if (curr_mb_field_flag) {
- left_xy[1] += s->mb_stride;
- left_block = left_block_options[3];
- } else {
- left_block= left_block_options[2 - bottom];
- }
- }
- }
-
- h->top_mb_xy = top_xy;
- h->left_mb_xy[0] = left_xy[0];
- h->left_mb_xy[1] = left_xy[1];
- if(for_deblock){
- topleft_type = 0;
- topright_type = 0;
- top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;
- left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;
- left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;
-
- if(MB_MBAFF && !IS_INTRA(mb_type)){
- int list;
- for(list=0; list<h->list_count; list++){
- //These values where changed for ease of performing MC, we need to change them back
- //FIXME maybe we can make MC and loop filter use the same values or prevent
- //the MC code from changing ref_cache and rather use a temporary array.
- if(USES_LIST(mb_type,list)){
- int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
- *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
- *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101;
- ref += h->b8_stride;
- *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
- *(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101;
- }
- }
- }
- }else{
- topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
- top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
- topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
- left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
- left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
-
- if(IS_INTRA(mb_type)){
- int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
- h->topleft_samples_available=
- h->top_samples_available=
- h->left_samples_available= 0xFFFF;
- h->topright_samples_available= 0xEEEA;
-
- if(!(top_type & type_mask)){
- h->topleft_samples_available= 0xB3FF;
- h->top_samples_available= 0x33FF;
- h->topright_samples_available= 0x26EA;
- }
- if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[0])){
- if(IS_INTERLACED(mb_type)){
- if(!(left_type[0] & type_mask)){
- h->topleft_samples_available&= 0xDFFF;
- h->left_samples_available&= 0x5FFF;
- }
- if(!(left_type[1] & type_mask)){
- h->topleft_samples_available&= 0xFF5F;
- h->left_samples_available&= 0xFF5F;
- }
- }else{
- int left_typei = h->slice_table[left_xy[0] + s->mb_stride ] == h->slice_num
- ? s->current_picture.mb_type[left_xy[0] + s->mb_stride] : 0;
- assert(left_xy[0] == left_xy[1]);
- if(!((left_typei & type_mask) && (left_type[0] & type_mask))){
- h->topleft_samples_available&= 0xDF5F;
- h->left_samples_available&= 0x5F5F;
- }
- }
- }else{
- if(!(left_type[0] & type_mask)){
- h->topleft_samples_available&= 0xDF5F;
- h->left_samples_available&= 0x5F5F;
- }
- }
-
- if(!(topleft_type & type_mask))
- h->topleft_samples_available&= 0x7FFF;
-
- if(!(topright_type & type_mask))
- h->topright_samples_available&= 0xFBFF;
-
- if(IS_INTRA4x4(mb_type)){
- if(IS_INTRA4x4(top_type)){
- h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
- h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
- h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
- h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
- }else{
- int pred;
- if(!(top_type & type_mask))
- pred= -1;
- else{
- pred= 2;
- }
- h->intra4x4_pred_mode_cache[4+8*0]=
- h->intra4x4_pred_mode_cache[5+8*0]=
- h->intra4x4_pred_mode_cache[6+8*0]=
- h->intra4x4_pred_mode_cache[7+8*0]= pred;
- }
- for(i=0; i<2; i++){
- if(IS_INTRA4x4(left_type[i])){
- h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
- h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
- }else{
- int pred;
- if(!(left_type[i] & type_mask))
- pred= -1;
- else{
- pred= 2;
- }
- h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
- h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
- }
+ if(!(h->top_samples_available&0x8000)){
+ for(i=0; i<4; i++){
+ int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
+ if(status<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
+ return -1;
+ } else if(status){
+ h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
}
}
}
- }
-
-
-/*
-0 . T T. T T T T
-1 L . .L . . . .
-2 L . .L . . . .
-3 . T TL . . . .
-4 L . .L . . . .
-5 L . .. . . . .
-*/
-//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
- if(top_type){
- h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
- h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
- h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
- h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
-
- h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
- h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
-
- h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
- h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
-
- }else{
- h->non_zero_count_cache[4+8*0]=
- h->non_zero_count_cache[5+8*0]=
- h->non_zero_count_cache[6+8*0]=
- h->non_zero_count_cache[7+8*0]=
-
- h->non_zero_count_cache[1+8*0]=
- h->non_zero_count_cache[2+8*0]=
-
- h->non_zero_count_cache[1+8*3]=
- h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
-
- }
-
- for (i=0; i<2; i++) {
- if(left_type[i]){
- h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
- h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
- h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
- h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
- }else{
- h->non_zero_count_cache[3+8*1 + 2*8*i]=
- h->non_zero_count_cache[3+8*2 + 2*8*i]=
- h->non_zero_count_cache[0+8*1 + 8*i]=
- h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
- }
- }
-
- if( h->pps.cabac ) {
- // top_cbp
- if(top_type) {
- h->top_cbp = h->cbp_table[top_xy];
- } else if(IS_INTRA(mb_type)) {
- h->top_cbp = 0x1C0;
- } else {
- h->top_cbp = 0;
- }
- // left_cbp
- if (left_type[0]) {
- h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
- } else if(IS_INTRA(mb_type)) {
- h->left_cbp = 0x1C0;
- } else {
- h->left_cbp = 0;
- }
- if (left_type[0]) {
- h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
- }
- if (left_type[1]) {
- h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
- }
- }
-
-#if 1
- if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
- int list;
- for(list=0; list<h->list_count; list++){
- if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
- /*if(!h->mv_cache_clean[list]){
- memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
- memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
- h->mv_cache_clean[list]= 1;
- }*/
- continue;
- }
- h->mv_cache_clean[list]= 0;
-
- if(USES_LIST(top_type, list)){
- const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
- const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
- *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
- *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
- *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
- *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
- h->ref_cache[list][scan8[0] + 0 - 1*8]=
- h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
- h->ref_cache[list][scan8[0] + 2 - 1*8]=
- h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
- }else{
- *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
- *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
- *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
- *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
- *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
- }
-
- for(i=0; i<2; i++){
- int cache_idx = scan8[0] - 1 + i*2*8;
- if(USES_LIST(left_type[i], list)){
- const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
- const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
- *(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
- *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
- h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
- h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
- }else{
- *(uint32_t*)h->mv_cache [list][cache_idx ]=
- *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
- h->ref_cache[list][cache_idx ]=
- h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
- }
- }
- if(for_deblock || ((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF))
- continue;
-
- if(USES_LIST(topleft_type, list)){
- const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride);
- const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (topleft_partition & h->b8_stride);
- *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
- h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
- }else{
- *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
- h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
- }
-
- if(USES_LIST(topright_type, list)){
- const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
- const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
- *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
- h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
- }else{
- *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
- h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
- }
-
- if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
- continue;
-
- h->ref_cache[list][scan8[5 ]+1] =
- h->ref_cache[list][scan8[7 ]+1] =
- h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else)
- h->ref_cache[list][scan8[4 ]] =
- h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
- *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
- *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
- *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
- *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
- *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
-
- if( h->pps.cabac ) {
- /* XXX beurk, Load mvd */
- if(USES_LIST(top_type, list)){
- const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
- *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
- *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
- *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
- *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
- }else{
- *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
- *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
- *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
- *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
- }
- if(USES_LIST(left_type[0], list)){
- const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
- *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
- *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
- }else{
- *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
- *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
- }
- if(USES_LIST(left_type[1], list)){
- const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
- *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
- *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
- }else{
- *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
- *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
- }
- *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
- *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
- *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
- *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
- *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
-
- if(h->slice_type_nos == FF_B_TYPE){
- fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
-
- if(IS_DIRECT(top_type)){
- *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
- }else if(IS_8X8(top_type)){
- int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
- h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
- h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
- }else{
- *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
- }
-
- if(IS_DIRECT(left_type[0]))
- h->direct_cache[scan8[0] - 1 + 0*8]= 1;
- else if(IS_8X8(left_type[0]))
- h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
- else
- h->direct_cache[scan8[0] - 1 + 0*8]= 0;
-
- if(IS_DIRECT(left_type[1]))
- h->direct_cache[scan8[0] - 1 + 2*8]= 1;
- else if(IS_8X8(left_type[1]))
- h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
- else
- h->direct_cache[scan8[0] - 1 + 2*8]= 0;
- }
- }
-
- if(FRAME_MBAFF){
-#define MAP_MVS\
- MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
- MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
- MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
- MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
- MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
- MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
- if(MB_FIELD){
-#define MAP_F2F(idx, mb_type)\
- if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
- h->ref_cache[list][idx] <<= 1;\
- h->mv_cache[list][idx][1] /= 2;\
- h->mvd_cache[list][idx][1] /= 2;\
- }
- MAP_MVS
-#undef MAP_F2F
- }else{
-#define MAP_F2F(idx, mb_type)\
- if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
- h->ref_cache[list][idx] >>= 1;\
- h->mv_cache[list][idx][1] <<= 1;\
- h->mvd_cache[list][idx][1] <<= 1;\
- }
- MAP_MVS
-#undef MAP_F2F
+ if((h->left_samples_available&0x8888)!=0x8888){
+ static const int mask[4]={0x8000,0x2000,0x80,0x20};
+ for(i=0; i<4; i++){
+ if(!(h->left_samples_available&mask[i])){
+ int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
+ if(status<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
+ return -1;
+ } else if(status){
+ h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
}
}
}
}
-#endif
-
- h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
-}
-
-void ff_h264_write_back_intra_pred_mode(H264Context *h){
- const int mb_xy= h->mb_xy;
- h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
- h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
- h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
- h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
- h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
- h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
- h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
-}
+ return 0;
+} //FIXME cleanup like ff_h264_check_intra_pred_mode
/**
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
return mode;
}
-/**
- * gets the predicted intra4x4 prediction mode.
- */
-static inline int pred_intra_mode(H264Context *h, int n){
- const int index8= scan8[n];
- const int left= h->intra4x4_pred_mode_cache[index8 - 1];
- const int top = h->intra4x4_pred_mode_cache[index8 - 8];
- const int min= FFMIN(left, top);
-
- tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min);
-
- if(min<0) return DC_PRED;
- else return min;
-}
-
-static inline void write_back_non_zero_count(H264Context *h){
- const int mb_xy= h->mb_xy;
-
- h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
- h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
- h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
- h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
- h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
- h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
- h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
-
- h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
- h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
- h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
-
- h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
- h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
- h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
-}
-
-/**
- * gets the predicted number of non-zero coefficients.
- * @param n block index
- */
-static inline int pred_non_zero_count(H264Context *h, int n){
- const int index8= scan8[n];
- const int left= h->non_zero_count_cache[index8 - 1];
- const int top = h->non_zero_count_cache[index8 - 8];
- int i= left + top;
-
- if(i<64) i= (i+1)>>1;
-
- tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
-
- return i&31;
-}
-
-/**
- * gets the directionally predicted 16x8 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
- if(n==0){
- const int top_ref= h->ref_cache[list][ scan8[0] - 8 ];
- const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
-
- tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
-
- if(top_ref == ref){
- *mx= B[0];
- *my= B[1];
- return;
- }
- }else{
- const int left_ref= h->ref_cache[list][ scan8[8] - 1 ];
- const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
-
- tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
- if(left_ref == ref){
- *mx= A[0];
- *my= A[1];
- return;
- }
- }
-
- //RARE
- pred_motion(h, n, 4, list, ref, mx, my);
-}
-
-/**
- * gets the directionally predicted 8x16 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
- if(n==0){
- const int left_ref= h->ref_cache[list][ scan8[0] - 1 ];
- const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ];
-
- tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
- if(left_ref == ref){
- *mx= A[0];
- *my= A[1];
- return;
- }
- }else{
- const int16_t * C;
- int diagonal_ref;
-
- diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
-
- tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
-
- if(diagonal_ref == ref){
- *mx= C[0];
- *my= C[1];
- return;
- }
- }
-
- //RARE
- pred_motion(h, n, 2, list, ref, mx, my);
-}
-
-static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
- const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
- const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
-
- tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
-
- if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
- || !( top_ref | *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ])
- || !(left_ref | *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ])){
-
- *mx = *my = 0;
- return;
- }
-
- pred_motion(h, 0, 4, 0, 0, mx, my);
-
- return;
-}
-
-static inline void write_back_motion(H264Context *h, int mb_type){
- MpegEncContext * const s = &h->s;
- const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
- const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
- int list;
-
- if(!USES_LIST(mb_type, 0))
- fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
-
- for(list=0; list<h->list_count; list++){
- int y;
- if(!USES_LIST(mb_type, list))
- continue;
-
- for(y=0; y<4; y++){
- *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
- *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
- }
- if( h->pps.cabac ) {
- if(IS_SKIP(mb_type))
- fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4);
- else
- for(y=0; y<4; y++){
- *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
- *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
- }
- }
-
- {
- int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
- ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
- ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
- ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
- ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
- }
- }
-
- if(h->slice_type_nos == FF_B_TYPE && h->pps.cabac){
- if(IS_8X8(mb_type)){
- uint8_t *direct_table = &h->direct_table[b8_xy];
- direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
- direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
- direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
- }
- }
-}
-
const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){
int i, si, di;
uint8_t *dst;
if(IS_16X16(mb_type)){
mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
- &weight_op[0], &weight_avg[0],
+ weight_op, weight_avg,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
}else if(IS_16X8(mb_type)){
mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
prefetch_motion(h, 1);
}
-static av_cold void init_cavlc_level_tab(void){
- int suffix_length, mask;
- unsigned int i;
-
- for(suffix_length=0; suffix_length<7; suffix_length++){
- for(i=0; i<(1<<LEVEL_TAB_BITS); i++){
- int prefix= LEVEL_TAB_BITS - av_log2(2*i);
- int level_code= (prefix<<suffix_length) + (i>>(LEVEL_TAB_BITS-prefix-1-suffix_length)) - (1<<suffix_length);
-
- mask= -(level_code&1);
- level_code= (((2+level_code)>>1) ^ mask) - mask;
- if(prefix + 1 + suffix_length <= LEVEL_TAB_BITS){
- cavlc_level_tab[suffix_length][i][0]= level_code;
- cavlc_level_tab[suffix_length][i][1]= prefix + 1 + suffix_length;
- }else if(prefix + 1 <= LEVEL_TAB_BITS){
- cavlc_level_tab[suffix_length][i][0]= prefix+100;
- cavlc_level_tab[suffix_length][i][1]= prefix + 1;
- }else{
- cavlc_level_tab[suffix_length][i][0]= LEVEL_TAB_BITS+100;
- cavlc_level_tab[suffix_length][i][1]= LEVEL_TAB_BITS;
- }
- }
- }
-}
-
-static av_cold void decode_init_vlc(void){
- static int done = 0;
-
- if (!done) {
- int i;
- int offset;
- done = 1;
-
- chroma_dc_coeff_token_vlc.table = chroma_dc_coeff_token_vlc_table;
- chroma_dc_coeff_token_vlc.table_allocated = chroma_dc_coeff_token_vlc_table_size;
- init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
- &chroma_dc_coeff_token_len [0], 1, 1,
- &chroma_dc_coeff_token_bits[0], 1, 1,
- INIT_VLC_USE_NEW_STATIC);
-
- offset = 0;
- for(i=0; i<4; i++){
- coeff_token_vlc[i].table = coeff_token_vlc_tables+offset;
- coeff_token_vlc[i].table_allocated = coeff_token_vlc_tables_size[i];
- init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
- &coeff_token_len [i][0], 1, 1,
- &coeff_token_bits[i][0], 1, 1,
- INIT_VLC_USE_NEW_STATIC);
- offset += coeff_token_vlc_tables_size[i];
- }
- /*
- * This is a one time safety check to make sure that
- * the packed static coeff_token_vlc table sizes
- * were initialized correctly.
- */
- assert(offset == FF_ARRAY_ELEMS(coeff_token_vlc_tables));
-
- for(i=0; i<3; i++){
- chroma_dc_total_zeros_vlc[i].table = chroma_dc_total_zeros_vlc_tables[i];
- chroma_dc_total_zeros_vlc[i].table_allocated = chroma_dc_total_zeros_vlc_tables_size;
- init_vlc(&chroma_dc_total_zeros_vlc[i],
- CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
- &chroma_dc_total_zeros_len [i][0], 1, 1,
- &chroma_dc_total_zeros_bits[i][0], 1, 1,
- INIT_VLC_USE_NEW_STATIC);
- }
- for(i=0; i<15; i++){
- total_zeros_vlc[i].table = total_zeros_vlc_tables[i];
- total_zeros_vlc[i].table_allocated = total_zeros_vlc_tables_size;
- init_vlc(&total_zeros_vlc[i],
- TOTAL_ZEROS_VLC_BITS, 16,
- &total_zeros_len [i][0], 1, 1,
- &total_zeros_bits[i][0], 1, 1,
- INIT_VLC_USE_NEW_STATIC);
- }
-
- for(i=0; i<6; i++){
- run_vlc[i].table = run_vlc_tables[i];
- run_vlc[i].table_allocated = run_vlc_tables_size;
- init_vlc(&run_vlc[i],
- RUN_VLC_BITS, 7,
- &run_len [i][0], 1, 1,
- &run_bits[i][0], 1, 1,
- INIT_VLC_USE_NEW_STATIC);
- }
- run7_vlc.table = run7_vlc_table,
- run7_vlc.table_allocated = run7_vlc_table_size;
- init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
- &run_len [6][0], 1, 1,
- &run_bits[6][0], 1, 1,
- INIT_VLC_USE_NEW_STATIC);
-
- init_cavlc_level_tab();
- }
-}
static void free_tables(H264Context *h){
int i;
av_freep(&h->non_zero_count);
av_freep(&h->slice_table_base);
h->slice_table= NULL;
+ av_freep(&h->list_counts);
av_freep(&h->mb2b_xy);
av_freep(&h->mb2b8_xy);
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t), fail)
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(h->s.avctx, h->non_zero_count , big_mb_num * 32 * sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base), fail)
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->cbp_table, big_mb_num * sizeof(uint16_t), fail)
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t), fail);
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t), fail);
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->direct_table, 32*big_mb_num * sizeof(uint8_t) , fail);
+ FF_ALLOCZ_OR_GOTO(h->s.avctx, h->list_counts, big_mb_num * sizeof(uint8_t), fail)
memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base));
h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
dst->mvd_table[0] = src->mvd_table[0];
dst->mvd_table[1] = src->mvd_table[1];
dst->direct_table = src->direct_table;
+ dst->list_counts = src->list_counts;
dst->s.obmc_scratchpad = NULL;
ff_h264_pred_init(&dst->hpc, src->s.codec_id);
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
- decode_init_vlc();
+ ff_h264_decode_init_vlc();
if(avctx->extradata_size > 0 && avctx->extradata &&
*(char *)avctx->extradata == 1){
static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple){
MpegEncContext * const s = &h->s;
- int i;
- int step = 1;
- int offset = 1;
- int uvoffset= 1;
+ uint8_t *top_border;
int top_idx = 1;
- int skiplast= 0;
src_y -= linesize;
src_cb -= uvlinesize;
if(!simple && FRAME_MBAFF){
if(s->mb_y&1){
- offset = MB_MBAFF ? 1 : 17;
- uvoffset= MB_MBAFF ? 1 : 9;
- if(!MB_MBAFF){
- *(uint64_t*)(h->top_borders[0][s->mb_x]+ 0)= *(uint64_t*)(src_y + 15*linesize);
- *(uint64_t*)(h->top_borders[0][s->mb_x]+ 8)= *(uint64_t*)(src_y +8+15*linesize);
- if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+7*uvlinesize);
- *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+7*uvlinesize);
- }
- }
- }else{
if(!MB_MBAFF){
- h->left_border[0]= h->top_borders[0][s->mb_x][15];
+ top_border = h->top_borders[0][s->mb_x];
+ AV_COPY128(top_border, src_y + 15*linesize);
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7 ];
- h->left_border[34+18]= h->top_borders[0][s->mb_x][16+8+7];
+ AV_COPY64(top_border+16, src_cb+7*uvlinesize);
+ AV_COPY64(top_border+24, src_cr+7*uvlinesize);
}
- skiplast= 1;
}
- offset =
- uvoffset=
- top_idx = MB_MBAFF ? 0 : 1;
- }
- step= MB_MBAFF ? 2 : 1;
+ }else if(MB_MBAFF){
+ top_idx = 0;
+ }else
+ return;
}
+ top_border = h->top_borders[top_idx][s->mb_x];
// There are two lines saved, the line above the the top macroblock of a pair,
// and the line above the bottom macroblock
- h->left_border[offset]= h->top_borders[top_idx][s->mb_x][15];
- for(i=1; i<17 - skiplast; i++){
- h->left_border[offset+i*step]= src_y[15+i* linesize];
- }
-
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
+ AV_COPY128(top_border, src_y + 16*linesize);
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- h->left_border[uvoffset+34 ]= h->top_borders[top_idx][s->mb_x][16+7];
- h->left_border[uvoffset+34+18]= h->top_borders[top_idx][s->mb_x][24+7];
- for(i=1; i<9 - skiplast; i++){
- h->left_border[uvoffset+34 +i*step]= src_cb[7+i*uvlinesize];
- h->left_border[uvoffset+34+18+i*step]= src_cr[7+i*uvlinesize];
- }
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
+ AV_COPY64(top_border+16, src_cb+8*uvlinesize);
+ AV_COPY64(top_border+24, src_cr+8*uvlinesize);
}
}
int deblock_left;
int deblock_top;
int mb_xy;
- int step = 1;
- int offset = 1;
- int uvoffset= 1;
int top_idx = 1;
+ uint8_t *top_border_m1;
+ uint8_t *top_border;
if(!simple && FRAME_MBAFF){
if(s->mb_y&1){
- offset = MB_MBAFF ? 1 : 17;
- uvoffset= MB_MBAFF ? 1 : 9;
+ if(!MB_MBAFF)
+ return;
}else{
- offset =
- uvoffset=
top_idx = MB_MBAFF ? 0 : 1;
}
- step= MB_MBAFF ? 2 : 1;
}
if(h->deblocking_filter == 2) {
src_cb -= uvlinesize + 1;
src_cr -= uvlinesize + 1;
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
- a= b;\
-b= t;
+ top_border_m1 = h->top_borders[top_idx][s->mb_x-1];
+ top_border = h->top_borders[top_idx][s->mb_x];
- if(deblock_left){
- for(i = !deblock_top; i<16; i++){
- XCHG(h->left_border[offset+i*step], src_y [i* linesize], temp8, xchg);
- }
- XCHG(h->left_border[offset+i*step], src_y [i* linesize], temp8, 1);
- }
+#define XCHG(a,b,xchg)\
+if (xchg) AV_SWAP64(b,a);\
+else AV_COPY64(b,a);
if(deblock_top){
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
+ if(deblock_left){
+ XCHG(top_border_m1+8, src_y -7, 1);
+ }
+ XCHG(top_border+0, src_y +1, xchg);
+ XCHG(top_border+8, src_y +9, 1);
if(s->mb_x+1 < s->mb_width){
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
+ XCHG(h->top_borders[top_idx][s->mb_x+1], src_y +17, 1);
}
}
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- if(deblock_left){
- for(i = !deblock_top; i<8; i++){
- XCHG(h->left_border[uvoffset+34 +i*step], src_cb[i*uvlinesize], temp8, xchg);
- XCHG(h->left_border[uvoffset+34+18+i*step], src_cr[i*uvlinesize], temp8, xchg);
- }
- XCHG(h->left_border[uvoffset+34 +i*step], src_cb[i*uvlinesize], temp8, 1);
- XCHG(h->left_border[uvoffset+34+18+i*step], src_cr[i*uvlinesize], temp8, 1);
- }
if(deblock_top){
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
+ if(deblock_left){
+ XCHG(top_border_m1+16, src_cb -7, 1);
+ XCHG(top_border_m1+24, src_cr -7, 1);
+ }
+ XCHG(top_border+16, src_cb+1, 1);
+ XCHG(top_border+24, src_cr+1, 1);
}
}
}
s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
+ h->list_counts[mb_xy]= h->list_count;
+
if (!simple && MB_FIELD) {
linesize = h->mb_linesize = s->linesize * 2;
uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
else
idct_add (ptr, h->mb + i*16, linesize);
}else
- svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
+ ff_svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
}
}
}
if(!transform_bypass)
h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[0][s->qscale][0]);
}else
- svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
+ ff_svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
}
if(h->deblocking_filter)
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
for(i=0; i<16; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
uint8_t * const ptr= dest_y + block_offset[i];
- svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
+ ff_svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
}
}
}
for(i=16; i<16+8; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
- svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, ff_h264_chroma_qp[s->qscale + 12] - 12, 2);
+ ff_svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, ff_h264_chroma_qp[s->qscale + 12] - 12, 2);
}
}
}
if(h->cbp || IS_INTRA(mb_type))
s->dsp.clear_blocks(h->mb);
- if(h->deblocking_filter) {
+ if(h->deblocking_filter && 0) {
backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, simple);
- fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
+ fill_filter_caches(h, mb_type); //FIXME don't fill stuff which isn't used by filter_mb
h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]);
h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]);
if (!simple && FRAME_MBAFF) {
else hl_decode_mb_simple(h);
}
-static void pic_as_field(Picture *pic, const int parity){
- int i;
- for (i = 0; i < 4; ++i) {
- if (parity == PICT_BOTTOM_FIELD)
- pic->data[i] += pic->linesize[i];
- pic->reference = parity;
- pic->linesize[i] *= 2;
- }
- pic->poc= pic->field_poc[parity == PICT_BOTTOM_FIELD];
-}
-
-static int split_field_copy(Picture *dest, Picture *src,
- int parity, int id_add){
- int match = !!(src->reference & parity);
-
- if (match) {
- *dest = *src;
- if(parity != PICT_FRAME){
- pic_as_field(dest, parity);
- dest->pic_id *= 2;
- dest->pic_id += id_add;
- }
- }
-
- return match;
-}
-
-static int build_def_list(Picture *def, Picture **in, int len, int is_long, int sel){
- int i[2]={0};
- int index=0;
-
- while(i[0]<len || i[1]<len){
- while(i[0]<len && !(in[ i[0] ] && (in[ i[0] ]->reference & sel)))
- i[0]++;
- while(i[1]<len && !(in[ i[1] ] && (in[ i[1] ]->reference & (sel^3))))
- i[1]++;
- if(i[0] < len){
- in[ i[0] ]->pic_id= is_long ? i[0] : in[ i[0] ]->frame_num;
- split_field_copy(&def[index++], in[ i[0]++ ], sel , 1);
- }
- if(i[1] < len){
- in[ i[1] ]->pic_id= is_long ? i[1] : in[ i[1] ]->frame_num;
- split_field_copy(&def[index++], in[ i[1]++ ], sel^3, 0);
- }
- }
-
- return index;
-}
-
-static int add_sorted(Picture **sorted, Picture **src, int len, int limit, int dir){
- int i, best_poc;
- int out_i= 0;
-
- for(;;){
- best_poc= dir ? INT_MIN : INT_MAX;
-
- for(i=0; i<len; i++){
- const int poc= src[i]->poc;
- if(((poc > limit) ^ dir) && ((poc < best_poc) ^ dir)){
- best_poc= poc;
- sorted[out_i]= src[i];
- }
- }
- if(best_poc == (dir ? INT_MIN : INT_MAX))
- break;
- limit= sorted[out_i++]->poc - dir;
- }
- return out_i;
-}
-
-/**
- * fills the default_ref_list.
- */
-static int fill_default_ref_list(H264Context *h){
- MpegEncContext * const s = &h->s;
- int i, len;
-
- if(h->slice_type_nos==FF_B_TYPE){
- Picture *sorted[32];
- int cur_poc, list;
- int lens[2];
-
- if(FIELD_PICTURE)
- cur_poc= s->current_picture_ptr->field_poc[ s->picture_structure == PICT_BOTTOM_FIELD ];
- else
- cur_poc= s->current_picture_ptr->poc;
-
- for(list= 0; list<2; list++){
- len= add_sorted(sorted , h->short_ref, h->short_ref_count, cur_poc, 1^list);
- len+=add_sorted(sorted+len, h->short_ref, h->short_ref_count, cur_poc, 0^list);
- assert(len<=32);
- len= build_def_list(h->default_ref_list[list] , sorted , len, 0, s->picture_structure);
- len+=build_def_list(h->default_ref_list[list]+len, h->long_ref, 16 , 1, s->picture_structure);
- assert(len<=32);
-
- if(len < h->ref_count[list])
- memset(&h->default_ref_list[list][len], 0, sizeof(Picture)*(h->ref_count[list] - len));
- lens[list]= len;
- }
-
- if(lens[0] == lens[1] && lens[1] > 1){
- for(i=0; h->default_ref_list[0][i].data[0] == h->default_ref_list[1][i].data[0] && i<lens[0]; i++);
- if(i == lens[0])
- FFSWAP(Picture, h->default_ref_list[1][0], h->default_ref_list[1][1]);
- }
- }else{
- len = build_def_list(h->default_ref_list[0] , h->short_ref, h->short_ref_count, 0, s->picture_structure);
- len+= build_def_list(h->default_ref_list[0]+len, h-> long_ref, 16 , 1, s->picture_structure);
- assert(len <= 32);
- if(len < h->ref_count[0])
- memset(&h->default_ref_list[0][len], 0, sizeof(Picture)*(h->ref_count[0] - len));
- }
-#ifdef TRACE
- for (i=0; i<h->ref_count[0]; i++) {
- tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
- }
- if(h->slice_type_nos==FF_B_TYPE){
- for (i=0; i<h->ref_count[1]; i++) {
- tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[1][i].data[0]);
- }
- }
-#endif
- return 0;
-}
-
-static void print_short_term(H264Context *h);
-static void print_long_term(H264Context *h);
-
-/**
- * Extract structure information about the picture described by pic_num in
- * the current decoding context (frame or field). Note that pic_num is
- * picture number without wrapping (so, 0<=pic_num<max_pic_num).
- * @param pic_num picture number for which to extract structure information
- * @param structure one of PICT_XXX describing structure of picture
- * with pic_num
- * @return frame number (short term) or long term index of picture
- * described by pic_num
- */
-static int pic_num_extract(H264Context *h, int pic_num, int *structure){
- MpegEncContext * const s = &h->s;
-
- *structure = s->picture_structure;
- if(FIELD_PICTURE){
- if (!(pic_num & 1))
- /* opposite field */
- *structure ^= PICT_FRAME;
- pic_num >>= 1;
- }
-
- return pic_num;
-}
-
-static int decode_ref_pic_list_reordering(H264Context *h){
- MpegEncContext * const s = &h->s;
- int list, index, pic_structure;
-
- print_short_term(h);
- print_long_term(h);
-
- for(list=0; list<h->list_count; list++){
- memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
-
- if(get_bits1(&s->gb)){
- int pred= h->curr_pic_num;
-
- for(index=0; ; index++){
- unsigned int reordering_of_pic_nums_idc= get_ue_golomb_31(&s->gb);
- unsigned int pic_id;
- int i;
- Picture *ref = NULL;
-
- if(reordering_of_pic_nums_idc==3)
- break;
-
- if(index >= h->ref_count[list]){
- av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
- return -1;
- }
-
- if(reordering_of_pic_nums_idc<3){
- if(reordering_of_pic_nums_idc<2){
- const unsigned int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
- int frame_num;
-
- if(abs_diff_pic_num > h->max_pic_num){
- av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
- return -1;
- }
-
- if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num;
- else pred+= abs_diff_pic_num;
- pred &= h->max_pic_num - 1;
-
- frame_num = pic_num_extract(h, pred, &pic_structure);
-
- for(i= h->short_ref_count-1; i>=0; i--){
- ref = h->short_ref[i];
- assert(ref->reference);
- assert(!ref->long_ref);
- if(
- ref->frame_num == frame_num &&
- (ref->reference & pic_structure)
- )
- break;
- }
- if(i>=0)
- ref->pic_id= pred;
- }else{
- int long_idx;
- pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
-
- long_idx= pic_num_extract(h, pic_id, &pic_structure);
-
- if(long_idx>31){
- av_log(h->s.avctx, AV_LOG_ERROR, "long_term_pic_idx overflow\n");
- return -1;
- }
- ref = h->long_ref[long_idx];
- assert(!(ref && !ref->reference));
- if(ref && (ref->reference & pic_structure)){
- ref->pic_id= pic_id;
- assert(ref->long_ref);
- i=0;
- }else{
- i=-1;
- }
- }
-
- if (i < 0) {
- av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
- memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
- } else {
- for(i=index; i+1<h->ref_count[list]; i++){
- if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id)
- break;
- }
- for(; i > index; i--){
- h->ref_list[list][i]= h->ref_list[list][i-1];
- }
- h->ref_list[list][index]= *ref;
- if (FIELD_PICTURE){
- pic_as_field(&h->ref_list[list][index], pic_structure);
- }
- }
- }else{
- av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
- return -1;
- }
- }
- }
- }
- for(list=0; list<h->list_count; list++){
- for(index= 0; index < h->ref_count[list]; index++){
- if(!h->ref_list[list][index].data[0]){
- av_log(h->s.avctx, AV_LOG_ERROR, "Missing reference picture\n");
- if(h->default_ref_list[list][0].data[0])
- h->ref_list[list][index]= h->default_ref_list[list][0];
- else
- return -1;
- }
- }
- }
-
- return 0;
-}
-
-static void fill_mbaff_ref_list(H264Context *h){
- int list, i, j;
- for(list=0; list<2; list++){ //FIXME try list_count
- for(i=0; i<h->ref_count[list]; i++){
- Picture *frame = &h->ref_list[list][i];
- Picture *field = &h->ref_list[list][16+2*i];
- field[0] = *frame;
- for(j=0; j<3; j++)
- field[0].linesize[j] <<= 1;
- field[0].reference = PICT_TOP_FIELD;
- field[0].poc= field[0].field_poc[0];
- field[1] = field[0];
- for(j=0; j<3; j++)
- field[1].data[j] += frame->linesize[j];
- field[1].reference = PICT_BOTTOM_FIELD;
- field[1].poc= field[1].field_poc[1];
-
- h->luma_weight[list][16+2*i] = h->luma_weight[list][16+2*i+1] = h->luma_weight[list][i];
- h->luma_offset[list][16+2*i] = h->luma_offset[list][16+2*i+1] = h->luma_offset[list][i];
- for(j=0; j<2; j++){
- h->chroma_weight[list][16+2*i][j] = h->chroma_weight[list][16+2*i+1][j] = h->chroma_weight[list][i][j];
- h->chroma_offset[list][16+2*i][j] = h->chroma_offset[list][16+2*i+1][j] = h->chroma_offset[list][i][j];
- }
- }
- }
- for(j=0; j<h->ref_count[1]; j++){
- for(i=0; i<h->ref_count[0]; i++)
- h->implicit_weight[j][16+2*i] = h->implicit_weight[j][16+2*i+1] = h->implicit_weight[j][i];
- memcpy(h->implicit_weight[16+2*j], h->implicit_weight[j], sizeof(*h->implicit_weight));
- memcpy(h->implicit_weight[16+2*j+1], h->implicit_weight[j], sizeof(*h->implicit_weight));
- }
-}
-
static int pred_weight_table(H264Context *h){
MpegEncContext * const s = &h->s;
int list, i;
}
}
-/**
- * Mark a picture as no longer needed for reference. The refmask
- * argument allows unreferencing of individual fields or the whole frame.
- * If the picture becomes entirely unreferenced, but is being held for
- * display purposes, it is marked as such.
- * @param refmask mask of fields to unreference; the mask is bitwise
- * anded with the reference marking of pic
- * @return non-zero if pic becomes entirely unreferenced (except possibly
- * for display purposes) zero if one of the fields remains in
- * reference
- */
-static inline int unreference_pic(H264Context *h, Picture *pic, int refmask){
- int i;
- if (pic->reference &= refmask) {
- return 0;
- } else {
- for(i = 0; h->delayed_pic[i]; i++)
- if(pic == h->delayed_pic[i]){
- pic->reference=DELAYED_PIC_REF;
- break;
- }
- return 1;
- }
-}
-
/**
* instantaneous decoder refresh.
*/
static void idr(H264Context *h){
- int i;
-
- for(i=0; i<16; i++){
- remove_long(h, i, 0);
- }
- assert(h->long_ref_count==0);
-
- for(i=0; i<h->short_ref_count; i++){
- unreference_pic(h, h->short_ref[i], 0);
- h->short_ref[i]= NULL;
- }
- h->short_ref_count=0;
+ ff_h264_remove_all_refs(h);
h->prev_frame_num= 0;
h->prev_frame_num_offset= 0;
h->prev_poc_msb=
ff_mpeg_flush(avctx);
}
-/**
- * Find a Picture in the short term reference list by frame number.
- * @param frame_num frame number to search for
- * @param idx the index into h->short_ref where returned picture is found
- * undefined if no picture found.
- * @return pointer to the found picture, or NULL if no pic with the provided
- * frame number is found
- */
-static Picture * find_short(H264Context *h, int frame_num, int *idx){
- MpegEncContext * const s = &h->s;
- int i;
-
- for(i=0; i<h->short_ref_count; i++){
- Picture *pic= h->short_ref[i];
- if(s->avctx->debug&FF_DEBUG_MMCO)
- av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
- if(pic->frame_num == frame_num) {
- *idx = i;
- return pic;
- }
- }
- return NULL;
-}
-
-/**
- * Remove a picture from the short term reference list by its index in
- * that list. This does no checking on the provided index; it is assumed
- * to be valid. Other list entries are shifted down.
- * @param i index into h->short_ref of picture to remove.
- */
-static void remove_short_at_index(H264Context *h, int i){
- assert(i >= 0 && i < h->short_ref_count);
- h->short_ref[i]= NULL;
- if (--h->short_ref_count)
- memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i)*sizeof(Picture*));
-}
-
-/**
- *
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_short(H264Context *h, int frame_num, int ref_mask){
- MpegEncContext * const s = &h->s;
- Picture *pic;
- int i;
-
- if(s->avctx->debug&FF_DEBUG_MMCO)
- av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
-
- pic = find_short(h, frame_num, &i);
- if (pic){
- if(unreference_pic(h, pic, ref_mask))
- remove_short_at_index(h, i);
- }
-
- return pic;
-}
-
-/**
- * Remove a picture from the long term reference list by its index in
- * that list.
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_long(H264Context *h, int i, int ref_mask){
- Picture *pic;
-
- pic= h->long_ref[i];
- if (pic){
- if(unreference_pic(h, pic, ref_mask)){
- assert(h->long_ref[i]->long_ref == 1);
- h->long_ref[i]->long_ref= 0;
- h->long_ref[i]= NULL;
- h->long_ref_count--;
- }
- }
-
- return pic;
-}
-
-/**
- * print short term list
- */
-static void print_short_term(H264Context *h) {
- uint32_t i;
- if(h->s.avctx->debug&FF_DEBUG_MMCO) {
- av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
- for(i=0; i<h->short_ref_count; i++){
- Picture *pic= h->short_ref[i];
- av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
- }
- }
-}
-
-/**
- * print long term list
- */
-static void print_long_term(H264Context *h) {
- uint32_t i;
- if(h->s.avctx->debug&FF_DEBUG_MMCO) {
- av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
- for(i = 0; i < 16; i++){
- Picture *pic= h->long_ref[i];
- if (pic) {
- av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
- }
- }
- }
-}
-
-/**
- * Executes the reference picture marking (memory management control operations).
- */
-static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
- MpegEncContext * const s = &h->s;
- int i, av_uninit(j);
- int current_ref_assigned=0;
- Picture *av_uninit(pic);
-
- if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0)
- av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
-
- for(i=0; i<mmco_count; i++){
- int av_uninit(structure), av_uninit(frame_num);
- if(s->avctx->debug&FF_DEBUG_MMCO)
- av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_pic_num, h->mmco[i].long_arg);
-
- if( mmco[i].opcode == MMCO_SHORT2UNUSED
- || mmco[i].opcode == MMCO_SHORT2LONG){
- frame_num = pic_num_extract(h, mmco[i].short_pic_num, &structure);
- pic = find_short(h, frame_num, &j);
- if(!pic){
- if(mmco[i].opcode != MMCO_SHORT2LONG || !h->long_ref[mmco[i].long_arg]
- || h->long_ref[mmco[i].long_arg]->frame_num != frame_num)
- av_log(h->s.avctx, AV_LOG_ERROR, "mmco: unref short failure\n");
- continue;
- }
- }
-
- switch(mmco[i].opcode){
- case MMCO_SHORT2UNUSED:
- if(s->avctx->debug&FF_DEBUG_MMCO)
- av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: unref short %d count %d\n", h->mmco[i].short_pic_num, h->short_ref_count);
- remove_short(h, frame_num, structure ^ PICT_FRAME);
- break;
- case MMCO_SHORT2LONG:
- if (h->long_ref[mmco[i].long_arg] != pic)
- remove_long(h, mmco[i].long_arg, 0);
-
- remove_short_at_index(h, j);
- h->long_ref[ mmco[i].long_arg ]= pic;
- if (h->long_ref[ mmco[i].long_arg ]){
- h->long_ref[ mmco[i].long_arg ]->long_ref=1;
- h->long_ref_count++;
- }
- break;
- case MMCO_LONG2UNUSED:
- j = pic_num_extract(h, mmco[i].long_arg, &structure);
- pic = h->long_ref[j];
- if (pic) {
- remove_long(h, j, structure ^ PICT_FRAME);
- } else if(s->avctx->debug&FF_DEBUG_MMCO)
- av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: unref long failure\n");
- break;
- case MMCO_LONG:
- // Comment below left from previous code as it is an interresting note.
- /* First field in pair is in short term list or
- * at a different long term index.
- * This is not allowed; see 7.4.3.3, notes 2 and 3.
- * Report the problem and keep the pair where it is,
- * and mark this field valid.
- */
-
- if (h->long_ref[mmco[i].long_arg] != s->current_picture_ptr) {
- remove_long(h, mmco[i].long_arg, 0);
-
- h->long_ref[ mmco[i].long_arg ]= s->current_picture_ptr;
- h->long_ref[ mmco[i].long_arg ]->long_ref=1;
- h->long_ref_count++;
- }
-
- s->current_picture_ptr->reference |= s->picture_structure;
- current_ref_assigned=1;
- break;
- case MMCO_SET_MAX_LONG:
- assert(mmco[i].long_arg <= 16);
- // just remove the long term which index is greater than new max
- for(j = mmco[i].long_arg; j<16; j++){
- remove_long(h, j, 0);
- }
- break;
- case MMCO_RESET:
- while(h->short_ref_count){
- remove_short(h, h->short_ref[0]->frame_num, 0);
- }
- for(j = 0; j < 16; j++) {
- remove_long(h, j, 0);
- }
- s->current_picture_ptr->poc=
- s->current_picture_ptr->field_poc[0]=
- s->current_picture_ptr->field_poc[1]=
- h->poc_lsb=
- h->poc_msb=
- h->frame_num=
- s->current_picture_ptr->frame_num= 0;
- s->current_picture_ptr->mmco_reset=1;
- break;
- default: assert(0);
- }
- }
-
- if (!current_ref_assigned) {
- /* Second field of complementary field pair; the first field of
- * which is already referenced. If short referenced, it
- * should be first entry in short_ref. If not, it must exist
- * in long_ref; trying to put it on the short list here is an
- * error in the encoded bit stream (ref: 7.4.3.3, NOTE 2 and 3).
- */
- if (h->short_ref_count && h->short_ref[0] == s->current_picture_ptr) {
- /* Just mark the second field valid */
- s->current_picture_ptr->reference = PICT_FRAME;
- } else if (s->current_picture_ptr->long_ref) {
- av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term reference "
- "assignment for second field "
- "in complementary field pair "
- "(first field is long term)\n");
- } else {
- pic= remove_short(h, s->current_picture_ptr->frame_num, 0);
- if(pic){
- av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
- }
-
- if(h->short_ref_count)
- memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*));
-
- h->short_ref[0]= s->current_picture_ptr;
- h->short_ref_count++;
- s->current_picture_ptr->reference |= s->picture_structure;
- }
- }
-
- if (h->long_ref_count + h->short_ref_count > h->sps.ref_frame_count){
-
- /* We have too many reference frames, probably due to corrupted
- * stream. Need to discard one frame. Prevents overrun of the
- * short_ref and long_ref buffers.
- */
- av_log(h->s.avctx, AV_LOG_ERROR,
- "number of reference frames exceeds max (probably "
- "corrupt input), discarding one\n");
-
- if (h->long_ref_count && !h->short_ref_count) {
- for (i = 0; i < 16; ++i)
- if (h->long_ref[i])
- break;
-
- assert(i < 16);
- remove_long(h, i, 0);
- } else {
- pic = h->short_ref[h->short_ref_count - 1];
- remove_short(h, pic->frame_num, 0);
- }
- }
-
- print_short_term(h);
- print_long_term(h);
- return 0;
-}
-
-static int decode_ref_pic_marking(H264Context *h, GetBitContext *gb){
- MpegEncContext * const s = &h->s;
- int i;
-
- h->mmco_index= 0;
- if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
- s->broken_link= get_bits1(gb) -1;
- if(get_bits1(gb)){
- h->mmco[0].opcode= MMCO_LONG;
- h->mmco[0].long_arg= 0;
- h->mmco_index= 1;
- }
- }else{
- if(get_bits1(gb)){ // adaptive_ref_pic_marking_mode_flag
- for(i= 0; i<MAX_MMCO_COUNT; i++) {
- MMCOOpcode opcode= get_ue_golomb_31(gb);
-
- h->mmco[i].opcode= opcode;
- if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
- h->mmco[i].short_pic_num= (h->curr_pic_num - get_ue_golomb(gb) - 1) & (h->max_pic_num - 1);
-/* if(h->mmco[i].short_pic_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_pic_num ] == NULL){
- av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco);
- return -1;
- }*/
- }
- if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
- unsigned int long_arg= get_ue_golomb_31(gb);
- if(long_arg >= 32 || (long_arg >= 16 && !(opcode == MMCO_LONG2UNUSED && FIELD_PICTURE))){
- av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
- return -1;
- }
- h->mmco[i].long_arg= long_arg;
- }
-
- if(opcode > (unsigned)MMCO_LONG){
- av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
- return -1;
- }
- if(opcode == MMCO_END)
- break;
- }
- h->mmco_index= i;
- }else{
- assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
-
- if(h->short_ref_count && h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count &&
- !(FIELD_PICTURE && !s->first_field && s->current_picture_ptr->reference)) {
- h->mmco[0].opcode= MMCO_SHORT2UNUSED;
- h->mmco[0].short_pic_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;
- h->mmco_index= 1;
- if (FIELD_PICTURE) {
- h->mmco[0].short_pic_num *= 2;
- h->mmco[1].opcode= MMCO_SHORT2UNUSED;
- h->mmco[1].short_pic_num= h->mmco[0].short_pic_num + 1;
- h->mmco_index= 2;
- }
- }
- }
- }
-
- return 0;
-}
-
static int init_poc(H264Context *h){
MpegEncContext * const s = &h->s;
const int max_frame_num= 1<<h->sps.log2_max_frame_num;
ff_vdpau_h264_set_reference_frames(s);
if(!s->dropable) {
- execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+ ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
h->prev_poc_msb= h->poc_msb;
h->prev_poc_lsb= h->poc_lsb;
}
h->prev_frame_num++;
h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
s->current_picture_ptr->frame_num= h->prev_frame_num;
- execute_ref_pic_marking(h, NULL, 0);
+ ff_h264_execute_ref_pic_marking(h, NULL, 0);
}
/* See if we have a decoded first field looking for a pair... */
h->list_count= 0;
if(!default_ref_list_done){
- fill_default_ref_list(h);
+ ff_h264_fill_default_ref_list(h);
}
- if(h->slice_type_nos!=FF_I_TYPE && decode_ref_pic_list_reordering(h) < 0)
+ if(h->slice_type_nos!=FF_I_TYPE && ff_h264_decode_ref_pic_list_reordering(h) < 0)
return -1;
if(h->slice_type_nos!=FF_I_TYPE){
}
if(h->nal_ref_idc)
- decode_ref_pic_marking(h0, &s->gb);
+ ff_h264_decode_ref_pic_marking(h0, &s->gb);
if(FRAME_MBAFF)
- fill_mbaff_ref_list(h);
+ ff_h264_fill_mbaff_ref_list(h);
if(h->slice_type_nos==FF_B_TYPE && !h->direct_spatial_mv_pred)
ff_h264_direct_dist_scale_factor(h);
}
h->deblocking_filter = 1;
- h->slice_alpha_c0_offset = 0;
- h->slice_beta_offset = 0;
+ h->slice_alpha_c0_offset = 52;
+ h->slice_beta_offset = 52;
if( h->pps.deblocking_filter_parameters_present ) {
tmp= get_ue_golomb_31(&s->gb);
if(tmp > 2){
h->deblocking_filter^= 1; // 1<->0
if( h->deblocking_filter ) {
- h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
- h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
+ h->slice_alpha_c0_offset += get_se_golomb(&s->gb) << 1;
+ h->slice_beta_offset += get_se_golomb(&s->gb) << 1;
+ if( h->slice_alpha_c0_offset > 104U
+ || h->slice_beta_offset > 104U){
+ av_log(s->avctx, AV_LOG_ERROR, "deblocking filter parameters %d %d out of range\n", h->slice_alpha_c0_offset, h->slice_beta_offset);
+ return -1;
+ }
}
}
return 1; // deblocking switched inside frame
}
}
+ h->qp_thresh= 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]);
#if 0 //FMO
if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
}
for(j=0; j<2; j++){
+ int id_list[16];
int *ref2frm= h->ref2frm[h->slice_num&(MAX_SLICES-1)][j];
+ for(i=0; i<16; i++){
+ id_list[i]= 60;
+ if(h->ref_list[j][i].data[0]){
+ int k;
+ uint8_t *base= h->ref_list[j][i].base[0];
+ for(k=0; k<h->short_ref_count; k++)
+ if(h->short_ref[k]->base[0] == base){
+ id_list[i]= k;
+ break;
+ }
+ for(k=0; k<h->long_ref_count; k++)
+ if(h->long_ref[k] && h->long_ref[k]->base[0] == base){
+ id_list[i]= h->short_ref_count + k;
+ break;
+ }
+ }
+ }
+
ref2frm[0]=
ref2frm[1]= -1;
for(i=0; i<16; i++)
- ref2frm[i+2]= 4*h->ref_list[j][i].frame_num
+ ref2frm[i+2]= 4*id_list[i]
+(h->ref_list[j][i].reference&3);
ref2frm[18+0]=
ref2frm[18+1]= -1;
for(i=16; i<48; i++)
- ref2frm[i+4]= 4*h->ref_list[j][i].frame_num
+ ref2frm[i+4]= 4*id_list[(i-16)>>1]
+(h->ref_list[j][i].reference&3);
}
s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
h->ref_count[0], h->ref_count[1],
s->qscale,
- h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,
+ h->deblocking_filter, h->slice_alpha_c0_offset/2-26, h->slice_beta_offset/2-26,
h->use_weight,
h->use_weight==1 && h->use_weight_chroma ? "c" : "",
h->slice_type == FF_B_TYPE ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""
return 0;
}
-int ff_h264_get_slice_type(H264Context *h)
+int ff_h264_get_slice_type(const H264Context *h)
{
switch (h->slice_type) {
case FF_P_TYPE: return 0;
}
}
-/**
- *
- */
-static inline int get_level_prefix(GetBitContext *gb){
- unsigned int buf;
- int log;
-
- OPEN_READER(re, gb);
- UPDATE_CACHE(re, gb);
- buf=GET_CACHE(re, gb);
-
- log= 32 - av_log2(buf);
-#ifdef TRACE
- print_bin(buf>>(32-log), log);
- av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
-#endif
+static void loop_filter(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ uint8_t *dest_y, *dest_cb, *dest_cr;
+ int linesize, uvlinesize, mb_x, mb_y;
+ const int end_mb_y= s->mb_y + FRAME_MBAFF;
+ const int old_slice_type= h->slice_type;
- LAST_SKIP_BITS(re, gb, log);
- CLOSE_READER(re, gb);
+ if(h->deblocking_filter) {
+ for(mb_x= 0; mb_x<s->mb_width; mb_x++){
+ for(mb_y=end_mb_y - FRAME_MBAFF; mb_y<= end_mb_y; mb_y++){
+ int list, mb_xy, mb_type;
+ mb_xy = h->mb_xy = mb_x + mb_y*s->mb_stride;
+ h->slice_num= h->slice_table[mb_xy];
+ mb_type= s->current_picture.mb_type[mb_xy];
+ h->list_count= h->list_counts[mb_xy];
+
+ if(FRAME_MBAFF)
+ h->mb_mbaff = h->mb_field_decoding_flag = !!IS_INTERLACED(mb_type);
+
+ s->mb_x= mb_x;
+ s->mb_y= mb_y;
+ dest_y = s->current_picture.data[0] + (mb_x + mb_y * s->linesize ) * 16;
+ dest_cb = s->current_picture.data[1] + (mb_x + mb_y * s->uvlinesize) * 8;
+ dest_cr = s->current_picture.data[2] + (mb_x + mb_y * s->uvlinesize) * 8;
+ //FIXME simplify above
+
+ if (MB_FIELD) {
+ linesize = h->mb_linesize = s->linesize * 2;
+ uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
+ if(mb_y&1){ //FIXME move out of this function?
+ dest_y -= s->linesize*15;
+ dest_cb-= s->uvlinesize*7;
+ dest_cr-= s->uvlinesize*7;
+ }
+ } else {
+ linesize = h->mb_linesize = s->linesize;
+ uvlinesize = h->mb_uvlinesize = s->uvlinesize;
+ }
+ backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
+ if(fill_filter_caches(h, mb_type))
+ continue;
+ h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]);
- return log-1;
-}
-
-static inline int get_dct8x8_allowed(H264Context *h){
- if(h->sps.direct_8x8_inference_flag)
- return !(*(uint64_t*)h->sub_mb_type & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8 )*0x0001000100010001ULL));
- else
- return !(*(uint64_t*)h->sub_mb_type & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8|MB_TYPE_DIRECT2)*0x0001000100010001ULL));
-}
-
-/**
- * decodes a residual block.
- * @param n block index
- * @param scantable scantable
- * @param max_coeff number of coefficients in the block
- * @return <0 if an error occurred
- */
-static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
- MpegEncContext * const s = &h->s;
- static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
- int level[16];
- int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before;
-
- //FIXME put trailing_onex into the context
-
- if(n == CHROMA_DC_BLOCK_INDEX){
- coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
- total_coeff= coeff_token>>2;
- }else{
- if(n == LUMA_DC_BLOCK_INDEX){
- total_coeff= pred_non_zero_count(h, 0);
- coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
- total_coeff= coeff_token>>2;
- }else{
- total_coeff= pred_non_zero_count(h, n);
- coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
- total_coeff= coeff_token>>2;
- h->non_zero_count_cache[ scan8[n] ]= total_coeff;
- }
- }
-
- //FIXME set last_non_zero?
-
- if(total_coeff==0)
- return 0;
- if(total_coeff > (unsigned)max_coeff) {
- av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
- return -1;
- }
-
- trailing_ones= coeff_token&3;
- tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
- assert(total_coeff<=16);
-
- i = show_bits(gb, 3);
- skip_bits(gb, trailing_ones);
- level[0] = 1-((i&4)>>1);
- level[1] = 1-((i&2) );
- level[2] = 1-((i&1)<<1);
-
- if(trailing_ones<total_coeff) {
- int mask, prefix;
- int suffix_length = total_coeff > 10 && trailing_ones < 3;
- int bitsi= show_bits(gb, LEVEL_TAB_BITS);
- int level_code= cavlc_level_tab[suffix_length][bitsi][0];
-
- skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]);
- if(level_code >= 100){
- prefix= level_code - 100;
- if(prefix == LEVEL_TAB_BITS)
- prefix += get_level_prefix(gb);
-
- //first coefficient has suffix_length equal to 0 or 1
- if(prefix<14){ //FIXME try to build a large unified VLC table for all this
- if(suffix_length)
- level_code= (prefix<<1) + get_bits1(gb); //part
- else
- level_code= prefix; //part
- }else if(prefix==14){
- if(suffix_length)
- level_code= (prefix<<1) + get_bits1(gb); //part
- else
- level_code= prefix + get_bits(gb, 4); //part
- }else{
- level_code= 30 + get_bits(gb, prefix-3); //part
- if(prefix>=16)
- level_code += (1<<(prefix-3))-4096;
- }
-
- if(trailing_ones < 3) level_code += 2;
-
- suffix_length = 2;
- mask= -(level_code&1);
- level[trailing_ones]= (((2+level_code)>>1) ^ mask) - mask;
- }else{
- if(trailing_ones < 3) level_code += (level_code>>31)|1;
-
- suffix_length = 1;
- if(level_code + 3U > 6U)
- suffix_length++;
- level[trailing_ones]= level_code;
- }
-
- //remaining coefficients have suffix_length > 0
- for(i=trailing_ones+1;i<total_coeff;i++) {
- static const unsigned int suffix_limit[7] = {0,3,6,12,24,48,INT_MAX };
- int bitsi= show_bits(gb, LEVEL_TAB_BITS);
- level_code= cavlc_level_tab[suffix_length][bitsi][0];
-
- skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]);
- if(level_code >= 100){
- prefix= level_code - 100;
- if(prefix == LEVEL_TAB_BITS){
- prefix += get_level_prefix(gb);
- }
- if(prefix<15){
- level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
- }else{
- level_code = (15<<suffix_length) + get_bits(gb, prefix-3);
- if(prefix>=16)
- level_code += (1<<(prefix-3))-4096;
- }
- mask= -(level_code&1);
- level_code= (((2+level_code)>>1) ^ mask) - mask;
- }
- level[i]= level_code;
-
- if(suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length])
- suffix_length++;
- }
- }
-
- if(total_coeff == max_coeff)
- zeros_left=0;
- else{
- if(n == CHROMA_DC_BLOCK_INDEX)
- zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
- else
- zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
- }
-
- coeff_num = zeros_left + total_coeff - 1;
- j = scantable[coeff_num];
- if(n > 24){
- block[j] = level[0];
- for(i=1;i<total_coeff;i++) {
- if(zeros_left <= 0)
- run_before = 0;
- else if(zeros_left < 7){
- run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
- }else{
- run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
- }
- zeros_left -= run_before;
- coeff_num -= 1 + run_before;
- j= scantable[ coeff_num ];
-
- block[j]= level[i];
- }
- }else{
- block[j] = (level[0] * qmul[j] + 32)>>6;
- for(i=1;i<total_coeff;i++) {
- if(zeros_left <= 0)
- run_before = 0;
- else if(zeros_left < 7){
- run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
- }else{
- run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
- }
- zeros_left -= run_before;
- coeff_num -= 1 + run_before;
- j= scantable[ coeff_num ];
-
- block[j]= (level[i] * qmul[j] + 32)>>6;
- }
- }
-
- if(zeros_left<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
-
- return 0;
-}
-
-static void predict_field_decoding_flag(H264Context *h){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- int mb_type = (h->slice_table[mb_xy-1] == h->slice_num)
- ? s->current_picture.mb_type[mb_xy-1]
- : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num)
- ? s->current_picture.mb_type[mb_xy-s->mb_stride]
- : 0;
- h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
-}
-
-/**
- * decodes a P_SKIP or B_SKIP macroblock
- */
-static void decode_mb_skip(H264Context *h){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- int mb_type=0;
-
- memset(h->non_zero_count[mb_xy], 0, 16);
- memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
-
- if(MB_FIELD)
- mb_type|= MB_TYPE_INTERLACED;
-
- if( h->slice_type_nos == FF_B_TYPE )
- {
- // just for fill_caches. pred_direct_motion will set the real mb_type
- mb_type|= MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
-
- fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
- ff_h264_pred_direct_motion(h, &mb_type);
- mb_type|= MB_TYPE_SKIP;
- }
- else
- {
- int mx, my;
- mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
-
- fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
- pred_pskip_motion(h, &mx, &my);
- fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
- fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
- }
-
- write_back_motion(h, mb_type);
- s->current_picture.mb_type[mb_xy]= mb_type;
- s->current_picture.qscale_table[mb_xy]= s->qscale;
- h->slice_table[ mb_xy ]= h->slice_num;
- h->prev_mb_skipped= 1;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cavlc(H264Context *h){
- MpegEncContext * const s = &h->s;
- int mb_xy;
- int partition_count;
- unsigned int mb_type, cbp;
- int dct8x8_allowed= h->pps.transform_8x8_mode;
-
- mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
-
- tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
- cbp = 0; /* avoid warning. FIXME: find a solution without slowing
- down the code */
- if(h->slice_type_nos != FF_I_TYPE){
- if(s->mb_skip_run==-1)
- s->mb_skip_run= get_ue_golomb(&s->gb);
-
- if (s->mb_skip_run--) {
- if(FRAME_MBAFF && (s->mb_y&1) == 0){
- if(s->mb_skip_run==0)
- h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
- else
- predict_field_decoding_flag(h);
- }
- decode_mb_skip(h);
- return 0;
- }
- }
- if(FRAME_MBAFF){
- if( (s->mb_y&1) == 0 )
- h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
- }
-
- h->prev_mb_skipped= 0;
-
- mb_type= get_ue_golomb(&s->gb);
- if(h->slice_type_nos == FF_B_TYPE){
- if(mb_type < 23){
- partition_count= b_mb_type_info[mb_type].partition_count;
- mb_type= b_mb_type_info[mb_type].type;
- }else{
- mb_type -= 23;
- goto decode_intra_mb;
- }
- }else if(h->slice_type_nos == FF_P_TYPE){
- if(mb_type < 5){
- partition_count= p_mb_type_info[mb_type].partition_count;
- mb_type= p_mb_type_info[mb_type].type;
- }else{
- mb_type -= 5;
- goto decode_intra_mb;
- }
- }else{
- assert(h->slice_type_nos == FF_I_TYPE);
- if(h->slice_type == FF_SI_TYPE && mb_type)
- mb_type--;
-decode_intra_mb:
- if(mb_type > 25){
- av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
- return -1;
- }
- partition_count=0;
- cbp= i_mb_type_info[mb_type].cbp;
- h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
- mb_type= i_mb_type_info[mb_type].type;
- }
-
- if(MB_FIELD)
- mb_type |= MB_TYPE_INTERLACED;
-
- h->slice_table[ mb_xy ]= h->slice_num;
-
- if(IS_INTRA_PCM(mb_type)){
- unsigned int x;
-
- // We assume these blocks are very rare so we do not optimize it.
- align_get_bits(&s->gb);
-
- // The pixels are stored in the same order as levels in h->mb array.
- for(x=0; x < (CHROMA ? 384 : 256); x++){
- ((uint8_t*)h->mb)[x]= get_bits(&s->gb, 8);
- }
-
- // In deblocking, the quantizer is 0
- s->current_picture.qscale_table[mb_xy]= 0;
- // All coeffs are present
- memset(h->non_zero_count[mb_xy], 16, 16);
-
- s->current_picture.mb_type[mb_xy]= mb_type;
- return 0;
- }
-
- if(MB_MBAFF){
- h->ref_count[0] <<= 1;
- h->ref_count[1] <<= 1;
- }
-
- fill_caches(h, mb_type, 0);
-
- //mb_pred
- if(IS_INTRA(mb_type)){
- int pred_mode;
-// init_top_left_availability(h);
- if(IS_INTRA4x4(mb_type)){
- int i;
- int di = 1;
- if(dct8x8_allowed && get_bits1(&s->gb)){
- mb_type |= MB_TYPE_8x8DCT;
- di = 4;
- }
-
-// fill_intra4x4_pred_table(h);
- for(i=0; i<16; i+=di){
- int mode= pred_intra_mode(h, i);
-
- if(!get_bits1(&s->gb)){
- const int rem_mode= get_bits(&s->gb, 3);
- mode = rem_mode + (rem_mode >= mode);
- }
-
- if(di==4)
- fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
- else
- h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
- }
- ff_h264_write_back_intra_pred_mode(h);
- if( check_intra4x4_pred_mode(h) < 0)
- return -1;
- }else{
- h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode(h, h->intra16x16_pred_mode);
- if(h->intra16x16_pred_mode < 0)
- return -1;
- }
- if(CHROMA){
- pred_mode= ff_h264_check_intra_pred_mode(h, get_ue_golomb_31(&s->gb));
- if(pred_mode < 0)
- return -1;
- h->chroma_pred_mode= pred_mode;
- }
- }else if(partition_count==4){
- int i, j, sub_partition_count[4], list, ref[2][4];
-
- if(h->slice_type_nos == FF_B_TYPE){
- for(i=0; i<4; i++){
- h->sub_mb_type[i]= get_ue_golomb_31(&s->gb);
- if(h->sub_mb_type[i] >=13){
- av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
- return -1;
- }
- sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
- h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
- }
- if( IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
- || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
- ff_h264_pred_direct_motion(h, &mb_type);
- h->ref_cache[0][scan8[4]] =
- h->ref_cache[1][scan8[4]] =
- h->ref_cache[0][scan8[12]] =
- h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
- }
- }else{
- assert(h->slice_type_nos == FF_P_TYPE); //FIXME SP correct ?
- for(i=0; i<4; i++){
- h->sub_mb_type[i]= get_ue_golomb_31(&s->gb);
- if(h->sub_mb_type[i] >=4){
- av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
- return -1;
- }
- sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
- h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
- }
- }
-
- for(list=0; list<h->list_count; list++){
- int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
- for(i=0; i<4; i++){
- if(IS_DIRECT(h->sub_mb_type[i])) continue;
- if(IS_DIR(h->sub_mb_type[i], 0, list)){
- unsigned int tmp;
- if(ref_count == 1){
- tmp= 0;
- }else if(ref_count == 2){
- tmp= get_bits1(&s->gb)^1;
- }else{
- tmp= get_ue_golomb_31(&s->gb);
- if(tmp>=ref_count){
- av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
- return -1;
- }
- }
- ref[list][i]= tmp;
- }else{
- //FIXME
- ref[list][i] = -1;
- }
- }
- }
-
- if(dct8x8_allowed)
- dct8x8_allowed = get_dct8x8_allowed(h);
-
- for(list=0; list<h->list_count; list++){
- for(i=0; i<4; i++){
- if(IS_DIRECT(h->sub_mb_type[i])) {
- h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];
- continue;
- }
- h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]=
- h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
-
- if(IS_DIR(h->sub_mb_type[i], 0, list)){
- const int sub_mb_type= h->sub_mb_type[i];
- const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
- for(j=0; j<sub_partition_count[i]; j++){
- int mx, my;
- const int index= 4*i + block_width*j;
- int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
- pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
- mx += get_se_golomb(&s->gb);
- my += get_se_golomb(&s->gb);
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- if(IS_SUB_8X8(sub_mb_type)){
- mv_cache[ 1 ][0]=
- mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
- mv_cache[ 1 ][1]=
- mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
- }else if(IS_SUB_8X4(sub_mb_type)){
- mv_cache[ 1 ][0]= mx;
- mv_cache[ 1 ][1]= my;
- }else if(IS_SUB_4X8(sub_mb_type)){
- mv_cache[ 8 ][0]= mx;
- mv_cache[ 8 ][1]= my;
- }
- mv_cache[ 0 ][0]= mx;
- mv_cache[ 0 ][1]= my;
- }
- }else{
- uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
- p[0] = p[1]=
- p[8] = p[9]= 0;
- }
- }
- }
- }else if(IS_DIRECT(mb_type)){
- ff_h264_pred_direct_motion(h, &mb_type);
- dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
- }else{
- int list, mx, my, i;
- //FIXME we should set ref_idx_l? to 0 if we use that later ...
- if(IS_16X16(mb_type)){
- for(list=0; list<h->list_count; list++){
- unsigned int val;
- if(IS_DIR(mb_type, 0, list)){
- if(h->ref_count[list]==1){
- val= 0;
- }else if(h->ref_count[list]==2){
- val= get_bits1(&s->gb)^1;
- }else{
- val= get_ue_golomb_31(&s->gb);
- if(val >= h->ref_count[list]){
- av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
- return -1;
- }
- }
- }else
- val= LIST_NOT_USED&0xFF;
- fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
- }
- for(list=0; list<h->list_count; list++){
- unsigned int val;
- if(IS_DIR(mb_type, 0, list)){
- pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
- mx += get_se_golomb(&s->gb);
- my += get_se_golomb(&s->gb);
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- val= pack16to32(mx,my);
- }else
- val=0;
- fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4);
- }
- }
- else if(IS_16X8(mb_type)){
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- unsigned int val;
- if(IS_DIR(mb_type, i, list)){
- if(h->ref_count[list] == 1){
- val= 0;
- }else if(h->ref_count[list] == 2){
- val= get_bits1(&s->gb)^1;
- }else{
- val= get_ue_golomb_31(&s->gb);
- if(val >= h->ref_count[list]){
- av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
- return -1;
- }
- }
- }else
- val= LIST_NOT_USED&0xFF;
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
- }
- }
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- unsigned int val;
- if(IS_DIR(mb_type, i, list)){
- pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
- mx += get_se_golomb(&s->gb);
- my += get_se_golomb(&s->gb);
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- val= pack16to32(mx,my);
- }else
- val=0;
- fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4);
- }
- }
- }else{
- assert(IS_8X16(mb_type));
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- unsigned int val;
- if(IS_DIR(mb_type, i, list)){ //FIXME optimize
- if(h->ref_count[list]==1){
- val= 0;
- }else if(h->ref_count[list]==2){
- val= get_bits1(&s->gb)^1;
- }else{
- val= get_ue_golomb_31(&s->gb);
- if(val >= h->ref_count[list]){
- av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
- return -1;
- }
- }
- }else
- val= LIST_NOT_USED&0xFF;
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
- }
- }
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- unsigned int val;
- if(IS_DIR(mb_type, i, list)){
- pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
- mx += get_se_golomb(&s->gb);
- my += get_se_golomb(&s->gb);
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- val= pack16to32(mx,my);
- }else
- val=0;
- fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4);
- }
- }
- }
- }
-
- if(IS_INTER(mb_type))
- write_back_motion(h, mb_type);
-
- if(!IS_INTRA16x16(mb_type)){
- cbp= get_ue_golomb(&s->gb);
- if(cbp > 47){
- av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s->mb_x, s->mb_y);
- return -1;
- }
-
- if(CHROMA){
- if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp[cbp];
- else cbp= golomb_to_inter_cbp [cbp];
- }else{
- if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp_gray[cbp];
- else cbp= golomb_to_inter_cbp_gray[cbp];
- }
- }
- h->cbp = cbp;
-
- if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
- if(get_bits1(&s->gb)){
- mb_type |= MB_TYPE_8x8DCT;
- h->cbp_table[mb_xy]= cbp;
- }
- }
- s->current_picture.mb_type[mb_xy]= mb_type;
-
- if(cbp || IS_INTRA16x16(mb_type)){
- int i8x8, i4x4, chroma_idx;
- int dquant;
- GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
- const uint8_t *scan, *scan8x8, *dc_scan;
-
-// fill_non_zero_count_cache(h);
-
- if(IS_INTERLACED(mb_type)){
- scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
- scan= s->qscale ? h->field_scan : h->field_scan_q0;
- dc_scan= luma_dc_field_scan;
- }else{
- scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
- scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
- dc_scan= luma_dc_zigzag_scan;
- }
-
- dquant= get_se_golomb(&s->gb);
-
- if( dquant > 25 || dquant < -26 ){
- av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y);
- return -1;
- }
-
- s->qscale += dquant;
- if(((unsigned)s->qscale) > 51){
- if(s->qscale<0) s->qscale+= 52;
- else s->qscale-= 52;
- }
-
- h->chroma_qp[0]= get_chroma_qp(h, 0, s->qscale);
- h->chroma_qp[1]= get_chroma_qp(h, 1, s->qscale);
- if(IS_INTRA16x16(mb_type)){
- if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){
- return -1; //FIXME continue if partitioned and other return -1 too
- }
-
- assert((cbp&15) == 0 || (cbp&15) == 15);
-
- if(cbp&15){
- for(i8x8=0; i8x8<4; i8x8++){
- for(i4x4=0; i4x4<4; i4x4++){
- const int index= i4x4 + 4*i8x8;
- if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){
- return -1;
- }
- }
- }
- }else{
- fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
- }
- }else{
- for(i8x8=0; i8x8<4; i8x8++){
- if(cbp & (1<<i8x8)){
- if(IS_8x8DCT(mb_type)){
- DCTELEM *buf = &h->mb[64*i8x8];
- uint8_t *nnz;
- for(i4x4=0; i4x4<4; i4x4++){
- if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,
- h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 )
- return -1;
- }
- nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
- nnz[0] += nnz[1] + nnz[8] + nnz[9];
- }else{
- for(i4x4=0; i4x4<4; i4x4++){
- const int index= i4x4 + 4*i8x8;
-
- if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){
- return -1;
- }
- }
- }
- }else{
- uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
- nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
- }
- }
- }
-
- if(cbp&0x30){
- for(chroma_idx=0; chroma_idx<2; chroma_idx++)
- if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){
- return -1;
- }
- }
-
- if(cbp&0x20){
- for(chroma_idx=0; chroma_idx<2; chroma_idx++){
- const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[chroma_idx]];
- for(i4x4=0; i4x4<4; i4x4++){
- const int index= 16 + 4*chroma_idx + i4x4;
- if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, qmul, 15) < 0){
- return -1;
- }
- }
- }
- }else{
- uint8_t * const nnz= &h->non_zero_count_cache[0];
- nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
- nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
- }
- }else{
- uint8_t * const nnz= &h->non_zero_count_cache[0];
- fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
- nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
- nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
- }
- s->current_picture.qscale_table[mb_xy]= s->qscale;
- write_back_non_zero_count(h);
-
- if(MB_MBAFF){
- h->ref_count[0] >>= 1;
- h->ref_count[1] >>= 1;
- }
-
- return 0;
-}
-
-static int decode_cabac_field_decoding_flag(H264Context *h) {
- MpegEncContext * const s = &h->s;
- const int mb_x = s->mb_x;
- const int mb_y = s->mb_y & ~1;
- const int mba_xy = mb_x - 1 + mb_y *s->mb_stride;
- const int mbb_xy = mb_x + (mb_y-2)*s->mb_stride;
-
- unsigned int ctx = 0;
-
- if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) {
- ctx += 1;
- }
- if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) {
- ctx += 1;
- }
-
- return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] );
-}
-
-static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
- uint8_t *state= &h->cabac_state[ctx_base];
- int mb_type;
-
- if(intra_slice){
- MpegEncContext * const s = &h->s;
- const int mba_xy = h->left_mb_xy[0];
- const int mbb_xy = h->top_mb_xy;
- int ctx=0;
- if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) )
- ctx++;
- if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
- ctx++;
- if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
- return 0; /* I4x4 */
- state += 2;
- }else{
- if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 )
- return 0; /* I4x4 */
- }
-
- if( get_cabac_terminate( &h->cabac ) )
- return 25; /* PCM */
-
- mb_type = 1; /* I16x16 */
- mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
- if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
- mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
- mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
- mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
- return mb_type;
-}
-
-static int decode_cabac_mb_type_b( H264Context *h ) {
- MpegEncContext * const s = &h->s;
-
- const int mba_xy = h->left_mb_xy[0];
- const int mbb_xy = h->top_mb_xy;
- int ctx = 0;
- int bits;
- assert(h->slice_type_nos == FF_B_TYPE);
-
- if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
- ctx++;
- if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
- ctx++;
-
- if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) )
- return 0; /* B_Direct_16x16 */
-
- if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
- return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
- }
-
- bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
- bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
- bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
- bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
- if( bits < 8 )
- return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
- else if( bits == 13 ) {
- return decode_cabac_intra_mb_type(h, 32, 0) + 23;
- } else if( bits == 14 )
- return 11; /* B_L1_L0_8x16 */
- else if( bits == 15 )
- return 22; /* B_8x8 */
-
- bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
- return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
-}
-
-static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
- MpegEncContext * const s = &h->s;
- int mba_xy, mbb_xy;
- int ctx = 0;
-
- if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
- int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
- mba_xy = mb_xy - 1;
- if( (mb_y&1)
- && h->slice_table[mba_xy] == h->slice_num
- && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) )
- mba_xy += s->mb_stride;
- if( MB_FIELD ){
- mbb_xy = mb_xy - s->mb_stride;
- if( !(mb_y&1)
- && h->slice_table[mbb_xy] == h->slice_num
- && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) )
- mbb_xy -= s->mb_stride;
- }else
- mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
- }else{
- int mb_xy = h->mb_xy;
- mba_xy = mb_xy - 1;
- mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
- }
-
- if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
- ctx++;
- if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
- ctx++;
-
- if( h->slice_type_nos == FF_B_TYPE )
- ctx += 13;
- return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
-}
-
-static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
- int mode = 0;
-
- if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
- return pred_mode;
-
- mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
- mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
- mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
-
- if( mode >= pred_mode )
- return mode + 1;
- else
- return mode;
-}
-
-static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
- const int mba_xy = h->left_mb_xy[0];
- const int mbb_xy = h->top_mb_xy;
-
- int ctx = 0;
-
- /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
- if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 )
- ctx++;
-
- if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
- ctx++;
-
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
- return 0;
-
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
- return 1;
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
- return 2;
- else
- return 3;
-}
-
-static int decode_cabac_mb_cbp_luma( H264Context *h) {
- int cbp_b, cbp_a, ctx, cbp = 0;
-
- cbp_a = h->slice_table[h->left_mb_xy[0]] == h->slice_num ? h->left_cbp : -1;
- cbp_b = h->slice_table[h->top_mb_xy] == h->slice_num ? h->top_cbp : -1;
-
- ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
- ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
- ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
- ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
- return cbp;
-}
-static int decode_cabac_mb_cbp_chroma( H264Context *h) {
- int ctx;
- int cbp_a, cbp_b;
-
- cbp_a = (h->left_cbp>>4)&0x03;
- cbp_b = (h-> top_cbp>>4)&0x03;
-
- ctx = 0;
- if( cbp_a > 0 ) ctx++;
- if( cbp_b > 0 ) ctx += 2;
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
- return 0;
-
- ctx = 4;
- if( cbp_a == 2 ) ctx++;
- if( cbp_b == 2 ) ctx += 2;
- return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
-}
-static int decode_cabac_mb_dqp( H264Context *h) {
- int ctx= h->last_qscale_diff != 0;
- int val = 0;
-
- while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
- ctx= 2+(ctx>>1);
- val++;
- if(val > 102) //prevent infinite loop
- return INT_MIN;
- }
-
- if( val&0x01 )
- return (val + 1)>>1 ;
- else
- return -((val + 1)>>1);
-}
-static int decode_cabac_p_mb_sub_type( H264Context *h ) {
- if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
- return 0; /* 8x8 */
- if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
- return 1; /* 8x4 */
- if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
- return 2; /* 4x8 */
- return 3; /* 4x4 */
-}
-static int decode_cabac_b_mb_sub_type( H264Context *h ) {
- int type;
- if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
- return 0; /* B_Direct_8x8 */
- if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
- return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
- type = 3;
- if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
- if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
- return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
- type += 4;
- }
- type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
- type += get_cabac( &h->cabac, &h->cabac_state[39] );
- return type;
-}
-
-static inline int decode_cabac_mb_transform_size( H264Context *h ) {
- return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
-}
-
-static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
- int refa = h->ref_cache[list][scan8[n] - 1];
- int refb = h->ref_cache[list][scan8[n] - 8];
- int ref = 0;
- int ctx = 0;
-
- if( h->slice_type_nos == FF_B_TYPE) {
- if( refa > 0 && !h->direct_cache[scan8[n] - 1] )
- ctx++;
- if( refb > 0 && !h->direct_cache[scan8[n] - 8] )
- ctx += 2;
- } else {
- if( refa > 0 )
- ctx++;
- if( refb > 0 )
- ctx += 2;
- }
-
- while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
- ref++;
- ctx = (ctx>>2)+4;
- if(ref >= 32 /*h->ref_list[list]*/){
- return -1;
- }
- }
- return ref;
-}
-
-static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
- int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) +
- abs( h->mvd_cache[list][scan8[n] - 8][l] );
- int ctxbase = (l == 0) ? 40 : 47;
- int mvd;
- int ctx = (amvd>2) + (amvd>32);
-
- if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx]))
- return 0;
-
- mvd= 1;
- ctx= 3;
- while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) {
- mvd++;
- if( ctx < 6 )
- ctx++;
- }
-
- if( mvd >= 9 ) {
- int k = 3;
- while( get_cabac_bypass( &h->cabac ) ) {
- mvd += 1 << k;
- k++;
- if(k>24){
- av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
- return INT_MIN;
- }
- }
- while( k-- ) {
- if( get_cabac_bypass( &h->cabac ) )
- mvd += 1 << k;
- }
- }
- return get_cabac_bypass_sign( &h->cabac, -mvd );
-}
-
-static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int is_dc ) {
- int nza, nzb;
- int ctx = 0;
-
- if( is_dc ) {
- if( cat == 0 ) {
- nza = h->left_cbp&0x100;
- nzb = h-> top_cbp&0x100;
- } else {
- nza = (h->left_cbp>>(6+idx))&0x01;
- nzb = (h-> top_cbp>>(6+idx))&0x01;
- }
- } else {
- assert(cat == 1 || cat == 2 || cat == 4);
- nza = h->non_zero_count_cache[scan8[idx] - 1];
- nzb = h->non_zero_count_cache[scan8[idx] - 8];
- }
-
- if( nza > 0 )
- ctx++;
-
- if( nzb > 0 )
- ctx += 2;
-
- return ctx + 4 * cat;
-}
-
-DECLARE_ASM_CONST(1, uint8_t, last_coeff_flag_offset_8x8[63]) = {
- 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
- 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
-};
-
-static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff, int is_dc ) {
- static const int significant_coeff_flag_offset[2][6] = {
- { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
- { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
- };
- static const int last_coeff_flag_offset[2][6] = {
- { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
- { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
- };
- static const int coeff_abs_level_m1_offset[6] = {
- 227+0, 227+10, 227+20, 227+30, 227+39, 426
- };
- static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
- { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
- 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
- 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
- 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
- { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
- 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
- 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
- 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
- };
- /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
- * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
- * map node ctx => cabac ctx for level=1 */
- static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
- /* map node ctx => cabac ctx for level>1 */
- static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 };
- static const uint8_t coeff_abs_level_transition[2][8] = {
- /* update node ctx after decoding a level=1 */
- { 1, 2, 3, 3, 4, 5, 6, 7 },
- /* update node ctx after decoding a level>1 */
- { 4, 4, 4, 4, 5, 6, 7, 7 }
- };
-
- int index[64];
-
- int av_unused last;
- int coeff_count = 0;
- int node_ctx = 0;
-
- uint8_t *significant_coeff_ctx_base;
- uint8_t *last_coeff_ctx_base;
- uint8_t *abs_level_m1_ctx_base;
-
-#if !ARCH_X86
-#define CABAC_ON_STACK
-#endif
-#ifdef CABAC_ON_STACK
-#define CC &cc
- CABACContext cc;
- cc.range = h->cabac.range;
- cc.low = h->cabac.low;
- cc.bytestream= h->cabac.bytestream;
-#else
-#define CC &h->cabac
-#endif
-
-
- /* cat: 0-> DC 16x16 n = 0
- * 1-> AC 16x16 n = luma4x4idx
- * 2-> Luma4x4 n = luma4x4idx
- * 3-> DC Chroma n = iCbCr
- * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
- * 5-> Luma8x8 n = 4 * luma8x8idx
- */
-
- /* read coded block flag */
- if( is_dc || cat != 5 ) {
- if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n, is_dc ) ] ) == 0 ) {
- if( !is_dc )
- h->non_zero_count_cache[scan8[n]] = 0;
-
-#ifdef CABAC_ON_STACK
- h->cabac.range = cc.range ;
- h->cabac.low = cc.low ;
- h->cabac.bytestream= cc.bytestream;
-#endif
- return;
- }
- }
-
- significant_coeff_ctx_base = h->cabac_state
- + significant_coeff_flag_offset[MB_FIELD][cat];
- last_coeff_ctx_base = h->cabac_state
- + last_coeff_flag_offset[MB_FIELD][cat];
- abs_level_m1_ctx_base = h->cabac_state
- + coeff_abs_level_m1_offset[cat];
-
- if( !is_dc && cat == 5 ) {
-#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
- for(last= 0; last < coefs; last++) { \
- uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
- if( get_cabac( CC, sig_ctx )) { \
- uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
- index[coeff_count++] = last; \
- if( get_cabac( CC, last_ctx ) ) { \
- last= max_coeff; \
- break; \
- } \
- } \
- }\
- if( last == max_coeff -1 ) {\
- index[coeff_count++] = last;\
- }
- const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
-#if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS)
- coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
- } else {
- coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
-#else
- DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
- } else {
- DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
-#endif
- }
- assert(coeff_count > 0);
-
- if( is_dc ) {
- if( cat == 0 )
- h->cbp_table[h->mb_xy] |= 0x100;
- else
- h->cbp_table[h->mb_xy] |= 0x40 << n;
- } else {
- if( cat == 5 )
- fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
- else {
- assert( cat == 1 || cat == 2 || cat == 4 );
- h->non_zero_count_cache[scan8[n]] = coeff_count;
- }
- }
-
- do {
- uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base;
-
- int j= scantable[index[--coeff_count]];
-
- if( get_cabac( CC, ctx ) == 0 ) {
- node_ctx = coeff_abs_level_transition[0][node_ctx];
- if( is_dc ) {
- block[j] = get_cabac_bypass_sign( CC, -1);
- }else{
- block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;
- }
- } else {
- int coeff_abs = 2;
- ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base;
- node_ctx = coeff_abs_level_transition[1][node_ctx];
-
- while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
- coeff_abs++;
- }
-
- if( coeff_abs >= 15 ) {
- int j = 0;
- while( get_cabac_bypass( CC ) ) {
- j++;
- }
-
- coeff_abs=1;
- while( j-- ) {
- coeff_abs += coeff_abs + get_cabac_bypass( CC );
- }
- coeff_abs+= 14;
- }
-
- if( is_dc ) {
- block[j] = get_cabac_bypass_sign( CC, -coeff_abs );
- }else{
- block[j] = (get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32) >> 6;
- }
- }
- } while( coeff_count );
-#ifdef CABAC_ON_STACK
- h->cabac.range = cc.range ;
- h->cabac.low = cc.low ;
- h->cabac.bytestream= cc.bytestream;
-#endif
-
-}
-
-#if !CONFIG_SMALL
-static void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
- decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 1);
-}
-
-static void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
- decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0);
-}
-#endif
-
-static void decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
-#if CONFIG_SMALL
- decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, cat == 0 || cat == 3);
-#else
- if( cat == 0 || cat == 3 ) decode_cabac_residual_dc(h, block, cat, n, scantable, qmul, max_coeff);
- else decode_cabac_residual_nondc(h, block, cat, n, scantable, qmul, max_coeff);
-#endif
-}
-
-static inline void compute_mb_neighbors(H264Context *h)
-{
- MpegEncContext * const s = &h->s;
- const int mb_xy = h->mb_xy;
- h->top_mb_xy = mb_xy - s->mb_stride;
- h->left_mb_xy[0] = mb_xy - 1;
- if(FRAME_MBAFF){
- const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
- const int top_pair_xy = pair_xy - s->mb_stride;
- const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
- const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
- const int curr_mb_field_flag = MB_FIELD;
- const int bottom = (s->mb_y & 1);
-
- if (curr_mb_field_flag && (bottom || top_mb_field_flag)){
- h->top_mb_xy -= s->mb_stride;
- }
- if (!left_mb_field_flag == curr_mb_field_flag) {
- h->left_mb_xy[0] = pair_xy - 1;
- }
- } else if (FIELD_PICTURE) {
- h->top_mb_xy -= s->mb_stride;
- }
- return;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cabac(H264Context *h) {
- MpegEncContext * const s = &h->s;
- int mb_xy;
- int mb_type, partition_count, cbp = 0;
- int dct8x8_allowed= h->pps.transform_8x8_mode;
-
- mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
-
- tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
- if( h->slice_type_nos != FF_I_TYPE ) {
- int skip;
- /* a skipped mb needs the aff flag from the following mb */
- if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
- predict_field_decoding_flag(h);
- if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
- skip = h->next_mb_skipped;
- else
- skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
- /* read skip flags */
- if( skip ) {
- if( FRAME_MBAFF && (s->mb_y&1)==0 ){
- s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
- h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
- if(!h->next_mb_skipped)
- h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
- }
-
- decode_mb_skip(h);
-
- h->cbp_table[mb_xy] = 0;
- h->chroma_pred_mode_table[mb_xy] = 0;
- h->last_qscale_diff = 0;
-
- return 0;
-
- }
- }
- if(FRAME_MBAFF){
- if( (s->mb_y&1) == 0 )
- h->mb_mbaff =
- h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
- }
-
- h->prev_mb_skipped = 0;
-
- compute_mb_neighbors(h);
-
- if( h->slice_type_nos == FF_B_TYPE ) {
- mb_type = decode_cabac_mb_type_b( h );
- if( mb_type < 23 ){
- partition_count= b_mb_type_info[mb_type].partition_count;
- mb_type= b_mb_type_info[mb_type].type;
- }else{
- mb_type -= 23;
- goto decode_intra_mb;
- }
- } else if( h->slice_type_nos == FF_P_TYPE ) {
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
- /* P-type */
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
- /* P_L0_D16x16, P_8x8 */
- mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
- } else {
- /* P_L0_D8x16, P_L0_D16x8 */
- mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
- }
- partition_count= p_mb_type_info[mb_type].partition_count;
- mb_type= p_mb_type_info[mb_type].type;
- } else {
- mb_type= decode_cabac_intra_mb_type(h, 17, 0);
- goto decode_intra_mb;
- }
- } else {
- mb_type= decode_cabac_intra_mb_type(h, 3, 1);
- if(h->slice_type == FF_SI_TYPE && mb_type)
- mb_type--;
- assert(h->slice_type_nos == FF_I_TYPE);
-decode_intra_mb:
- partition_count = 0;
- cbp= i_mb_type_info[mb_type].cbp;
- h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
- mb_type= i_mb_type_info[mb_type].type;
- }
- if(MB_FIELD)
- mb_type |= MB_TYPE_INTERLACED;
-
- h->slice_table[ mb_xy ]= h->slice_num;
-
- if(IS_INTRA_PCM(mb_type)) {
- const uint8_t *ptr;
-
- // We assume these blocks are very rare so we do not optimize it.
- // FIXME The two following lines get the bitstream position in the cabac
- // decode, I think it should be done by a function in cabac.h (or cabac.c).
- ptr= h->cabac.bytestream;
- if(h->cabac.low&0x1) ptr--;
- if(CABAC_BITS==16){
- if(h->cabac.low&0x1FF) ptr--;
- }
-
- // The pixels are stored in the same order as levels in h->mb array.
- memcpy(h->mb, ptr, 256); ptr+=256;
- if(CHROMA){
- memcpy(h->mb+128, ptr, 128); ptr+=128;
- }
-
- ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
-
- // All blocks are present
- h->cbp_table[mb_xy] = 0x1ef;
- h->chroma_pred_mode_table[mb_xy] = 0;
- // In deblocking, the quantizer is 0
- s->current_picture.qscale_table[mb_xy]= 0;
- // All coeffs are present
- memset(h->non_zero_count[mb_xy], 16, 16);
- s->current_picture.mb_type[mb_xy]= mb_type;
- h->last_qscale_diff = 0;
- return 0;
- }
-
- if(MB_MBAFF){
- h->ref_count[0] <<= 1;
- h->ref_count[1] <<= 1;
- }
-
- fill_caches(h, mb_type, 0);
-
- if( IS_INTRA( mb_type ) ) {
- int i, pred_mode;
- if( IS_INTRA4x4( mb_type ) ) {
- if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
- mb_type |= MB_TYPE_8x8DCT;
- for( i = 0; i < 16; i+=4 ) {
- int pred = pred_intra_mode( h, i );
- int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
- fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
- }
- } else {
- for( i = 0; i < 16; i++ ) {
- int pred = pred_intra_mode( h, i );
- h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-
- //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
- }
- }
- ff_h264_write_back_intra_pred_mode(h);
- if( check_intra4x4_pred_mode(h) < 0 ) return -1;
- } else {
- h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode );
- if( h->intra16x16_pred_mode < 0 ) return -1;
- }
- if(CHROMA){
- h->chroma_pred_mode_table[mb_xy] =
- pred_mode = decode_cabac_mb_chroma_pre_mode( h );
-
- pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode );
- if( pred_mode < 0 ) return -1;
- h->chroma_pred_mode= pred_mode;
- }
- } else if( partition_count == 4 ) {
- int i, j, sub_partition_count[4], list, ref[2][4];
-
- if( h->slice_type_nos == FF_B_TYPE ) {
- for( i = 0; i < 4; i++ ) {
- h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
- sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
- h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
- }
- if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
- h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
- ff_h264_pred_direct_motion(h, &mb_type);
- h->ref_cache[0][scan8[4]] =
- h->ref_cache[1][scan8[4]] =
- h->ref_cache[0][scan8[12]] =
- h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
- if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
- for( i = 0; i < 4; i++ )
- if( IS_DIRECT(h->sub_mb_type[i]) )
- fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
- }
- }
- } else {
- for( i = 0; i < 4; i++ ) {
- h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
- sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
- h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
- }
- }
-
- for( list = 0; list < h->list_count; list++ ) {
- for( i = 0; i < 4; i++ ) {
- if(IS_DIRECT(h->sub_mb_type[i])) continue;
- if(IS_DIR(h->sub_mb_type[i], 0, list)){
- if( h->ref_count[list] > 1 ){
- ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
- if(ref[list][i] >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]);
- return -1;
- }
- }else
- ref[list][i] = 0;
- } else {
- ref[list][i] = -1;
- }
- h->ref_cache[list][ scan8[4*i]+1 ]=
- h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
- }
- }
-
- if(dct8x8_allowed)
- dct8x8_allowed = get_dct8x8_allowed(h);
-
- for(list=0; list<h->list_count; list++){
- for(i=0; i<4; i++){
- h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
- if(IS_DIRECT(h->sub_mb_type[i])){
- fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
- continue;
- }
-
- if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
- const int sub_mb_type= h->sub_mb_type[i];
- const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
- for(j=0; j<sub_partition_count[i]; j++){
- int mpx, mpy;
- int mx, my;
- const int index= 4*i + block_width*j;
- int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
- int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
- pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
-
- mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- if(IS_SUB_8X8(sub_mb_type)){
- mv_cache[ 1 ][0]=
- mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
- mv_cache[ 1 ][1]=
- mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-
- mvd_cache[ 1 ][0]=
- mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
- mvd_cache[ 1 ][1]=
- mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
- }else if(IS_SUB_8X4(sub_mb_type)){
- mv_cache[ 1 ][0]= mx;
- mv_cache[ 1 ][1]= my;
-
- mvd_cache[ 1 ][0]= mx - mpx;
- mvd_cache[ 1 ][1]= my - mpy;
- }else if(IS_SUB_4X8(sub_mb_type)){
- mv_cache[ 8 ][0]= mx;
- mv_cache[ 8 ][1]= my;
-
- mvd_cache[ 8 ][0]= mx - mpx;
- mvd_cache[ 8 ][1]= my - mpy;
- }
- mv_cache[ 0 ][0]= mx;
- mv_cache[ 0 ][1]= my;
-
- mvd_cache[ 0 ][0]= mx - mpx;
- mvd_cache[ 0 ][1]= my - mpy;
- }
- }else{
- uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
- uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
- p[0] = p[1] = p[8] = p[9] = 0;
- pd[0]= pd[1]= pd[8]= pd[9]= 0;
- }
- }
- }
- } else if( IS_DIRECT(mb_type) ) {
- ff_h264_pred_direct_motion(h, &mb_type);
- fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
- fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
- dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
- } else {
- int list, mx, my, i, mpx, mpy;
- if(IS_16X16(mb_type)){
- for(list=0; list<h->list_count; list++){
- if(IS_DIR(mb_type, 0, list)){
- int ref;
- if(h->ref_count[list] > 1){
- ref= decode_cabac_mb_ref(h, list, 0);
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
- return -1;
- }
- }else
- ref=0;
- fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
- }else
- fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too
- }
- for(list=0; list<h->list_count; list++){
- if(IS_DIR(mb_type, 0, list)){
- pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
-
- mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
- fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
- }else
- fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
- }
- }
- else if(IS_16X8(mb_type)){
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){
- int ref;
- if(h->ref_count[list] > 1){
- ref= decode_cabac_mb_ref( h, list, 8*i );
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
- return -1;
- }
- }else
- ref=0;
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
- }else
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
- }
- }
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){
- pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
- mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
- fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
- }else{
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
- fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
- }
- }
- }
- }else{
- assert(IS_8X16(mb_type));
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){ //FIXME optimize
- int ref;
- if(h->ref_count[list] > 1){
- ref= decode_cabac_mb_ref( h, list, 4*i );
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
- return -1;
- }
- }else
- ref=0;
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
- }else
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
- }
- }
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){
- pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
- mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
-
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
- fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
- }else{
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
- fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
- }
- }
- }
- }
- }
-
- if( IS_INTER( mb_type ) ) {
- h->chroma_pred_mode_table[mb_xy] = 0;
- write_back_motion( h, mb_type );
- }
-
- if( !IS_INTRA16x16( mb_type ) ) {
- cbp = decode_cabac_mb_cbp_luma( h );
- if(CHROMA)
- cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
- }
-
- h->cbp_table[mb_xy] = h->cbp = cbp;
-
- if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
- if( decode_cabac_mb_transform_size( h ) )
- mb_type |= MB_TYPE_8x8DCT;
- }
- s->current_picture.mb_type[mb_xy]= mb_type;
-
- if( cbp || IS_INTRA16x16( mb_type ) ) {
- const uint8_t *scan, *scan8x8, *dc_scan;
- const uint32_t *qmul;
- int dqp;
-
- if(IS_INTERLACED(mb_type)){
- scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
- scan= s->qscale ? h->field_scan : h->field_scan_q0;
- dc_scan= luma_dc_field_scan;
- }else{
- scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
- scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
- dc_scan= luma_dc_zigzag_scan;
- }
-
- h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
- if( dqp == INT_MIN ){
- av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- s->qscale += dqp;
- if(((unsigned)s->qscale) > 51){
- if(s->qscale<0) s->qscale+= 52;
- else s->qscale-= 52;
- }
- h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
- h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
-
- if( IS_INTRA16x16( mb_type ) ) {
- int i;
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
- decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16);
-
- if( cbp&15 ) {
- qmul = h->dequant4_coeff[0][s->qscale];
- for( i = 0; i < 16; i++ ) {
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
- decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15);
- }
- } else {
- fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
- }
- } else {
- int i8x8, i4x4;
- for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
- if( cbp & (1<<i8x8) ) {
- if( IS_8x8DCT(mb_type) ) {
- decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
- scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64);
- } else {
- qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale];
- for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
- const int index = 4*i8x8 + i4x4;
- //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
-//START_TIMER
- decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16);
-//STOP_TIMER("decode_residual")
- }
- }
- } else {
- uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
- nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
- }
- }
- }
-
- if( cbp&0x30 ){
- int c;
- for( c = 0; c < 2; c++ ) {
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
- decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4);
- }
- }
-
- if( cbp&0x20 ) {
- int c, i;
- for( c = 0; c < 2; c++ ) {
- qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
- for( i = 0; i < 4; i++ ) {
- const int index = 16 + 4 * c + i;
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
- decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15);
- }
- }
- } else {
- uint8_t * const nnz= &h->non_zero_count_cache[0];
- nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
- nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
- }
- } else {
- uint8_t * const nnz= &h->non_zero_count_cache[0];
- fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
- nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
- nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
- h->last_qscale_diff = 0;
- }
-
- s->current_picture.qscale_table[mb_xy]= s->qscale;
- write_back_non_zero_count(h);
-
- if(MB_MBAFF){
- h->ref_count[0] >>= 1;
- h->ref_count[1] >>= 1;
- }
-
- return 0;
+ if (FRAME_MBAFF) {
+ ff_h264_filter_mb (h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
+ } else {
+ ff_h264_filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
+ }
+ }
+ }
+ }
+ h->slice_type= old_slice_type;
+ s->mb_x= 0;
+ s->mb_y= end_mb_y - FRAME_MBAFF;
}
static int decode_slice(struct AVCodecContext *avctx, void *arg){
(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY));
if( h->pps.cabac ) {
- int i;
-
/* realign */
align_get_bits( &s->gb );
ff_init_cabac_decoder( &h->cabac,
s->gb.buffer + get_bits_count(&s->gb)/8,
(get_bits_left(&s->gb) + 7)/8);
- /* calculate pre-state */
- for( i= 0; i < 460; i++ ) {
- int pre;
- if( h->slice_type_nos == FF_I_TYPE )
- pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
- else
- pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
-
- if( pre <= 63 )
- h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
- else
- h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
- }
+
+ ff_h264_init_cabac_states(h);
for(;;){
//START_TIMER
- int ret = decode_mb_cabac(h);
+ int ret = ff_h264_decode_mb_cabac(h);
int eos;
//STOP_TIMER("decode_mb_cabac")
if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
s->mb_y++;
- ret = decode_mb_cabac(h);
+ ret = ff_h264_decode_mb_cabac(h);
if(ret>=0) ff_h264_hl_decode_mb(h);
s->mb_y--;
if( ++s->mb_x >= s->mb_width ) {
s->mb_x = 0;
+ loop_filter(h);
ff_draw_horiz_band(s, 16*s->mb_y, 16);
++s->mb_y;
if(FIELD_OR_MBAFF_PICTURE) {
} else {
for(;;){
- int ret = decode_mb_cavlc(h);
+ int ret = ff_h264_decode_mb_cavlc(h);
if(ret>=0) ff_h264_hl_decode_mb(h);
if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ?
s->mb_y++;
- ret = decode_mb_cavlc(h);
+ ret = ff_h264_decode_mb_cavlc(h);
if(ret>=0) ff_h264_hl_decode_mb(h);
s->mb_y--;
if(++s->mb_x >= s->mb_width){
s->mb_x=0;
+ loop_filter(h);
ff_draw_horiz_band(s, 16*s->mb_y, 16);
++s->mb_y;
if(FIELD_OR_MBAFF_PICTURE) {
if((err = decode_slice_header(hx, h)))
break;
+ avctx->profile = hx->sps.profile_idc;
+ avctx->level = hx->sps.level_idc;
+
if (s->avctx->hwaccel && h->current_slice == 1) {
if (s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)
return -1;
if ((err = decode_slice_header(hx, h)) < 0)
break;
+ avctx->profile = hx->sps.profile_idc;
+ avctx->level = hx->sps.level_idc;
+
hx->s.data_partitioning = 1;
break;
projects / ffmpeg / blobdiff