mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
do loop filter immediatly after each macroblock is decoded instead of after a frame is decoded
Originally committed as revision 2910 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
parent
3ebc7e04de
commit
53c05b1eac
@ -162,13 +162,15 @@ typedef struct H264Context{
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unsigned int top_samples_available;
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unsigned int topright_samples_available;
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unsigned int left_samples_available;
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uint8_t (*top_border)[16+2*8];
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uint8_t left_border[17+2*9];
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/**
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* non zero coeff count cache.
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* is 64 if not available.
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*/
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uint8_t non_zero_count_cache[6*8];
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uint8_t (*non_zero_count)[16+4+4]; /* store all values for deblocking filter */
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uint8_t (*non_zero_count)[16];
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/**
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* Motion vector cache.
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@ -248,7 +250,7 @@ typedef struct H264Context{
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int chroma_offset[2][16][2];
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//deblock
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int disable_deblocking_filter_idc;
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int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
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int slice_alpha_c0_offset;
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int slice_beta_offset;
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@ -295,6 +297,7 @@ static VLC run7_vlc;
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static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
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static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
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static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr);
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static inline uint32_t pack16to32(int a, int b){
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#ifdef WORDS_BIGENDIAN
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@ -471,16 +474,16 @@ static inline void fill_caches(H264Context *h, int mb_type){
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*/
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//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
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if(top_type){
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h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][10];
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h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][11];
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h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][14];
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h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][15];
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h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][0];
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h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][1];
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h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][2];
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h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
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h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][18];
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h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][19];
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h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][7];
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h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
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h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][22];
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h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][23];
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h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][10];
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h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
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}else{
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h->non_zero_count_cache[4+8*0]=
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h->non_zero_count_cache[5+8*0]=
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@ -495,10 +498,10 @@ static inline void fill_caches(H264Context *h, int mb_type){
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}
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if(left_type[0]){
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h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][5];
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h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][7];
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h->non_zero_count_cache[0+8*1]= h->non_zero_count[left_xy[0]][17]; //FIXME left_block
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h->non_zero_count_cache[0+8*4]= h->non_zero_count[left_xy[0]][21];
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h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][6];
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h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][5];
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h->non_zero_count_cache[0+8*1]= h->non_zero_count[left_xy[0]][9]; //FIXME left_block
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h->non_zero_count_cache[0+8*4]= h->non_zero_count[left_xy[0]][12];
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}else{
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h->non_zero_count_cache[3+8*1]=
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h->non_zero_count_cache[3+8*2]=
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@ -507,10 +510,10 @@ static inline void fill_caches(H264Context *h, int mb_type){
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}
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if(left_type[1]){
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h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[1]][13];
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h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[1]][15];
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h->non_zero_count_cache[0+8*2]= h->non_zero_count[left_xy[1]][19];
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h->non_zero_count_cache[0+8*5]= h->non_zero_count[left_xy[1]][23];
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h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[1]][4];
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h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[1]][3];
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h->non_zero_count_cache[0+8*2]= h->non_zero_count[left_xy[1]][8];
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h->non_zero_count_cache[0+8*5]= h->non_zero_count[left_xy[1]][11];
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}else{
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h->non_zero_count_cache[3+8*3]=
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h->non_zero_count_cache[3+8*4]=
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@ -711,10 +714,22 @@ static inline int pred_intra_mode(H264Context *h, int n){
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static inline void write_back_non_zero_count(H264Context *h){
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MpegEncContext * const s = &h->s;
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const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
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int n;
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for( n = 0; n < 16+4+4; n++ )
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h->non_zero_count[mb_xy][n] = h->non_zero_count_cache[scan8[n]];
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h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[4+8*4];
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h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[5+8*4];
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h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[6+8*4];
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h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
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h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[7+8*3];
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h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[7+8*2];
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h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[7+8*1];
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h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[1+8*2];
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h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
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h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[2+8*1];
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h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[1+8*5];
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h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
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h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[2+8*4];
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}
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/**
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@ -2096,6 +2111,7 @@ static void free_tables(H264Context *h){
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av_freep(&h->intra4x4_pred_mode);
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av_freep(&h->non_zero_count);
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av_freep(&h->slice_table_base);
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av_freep(&h->top_border);
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h->slice_table= NULL;
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av_freep(&h->mb2b_xy);
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@ -2112,8 +2128,9 @@ static int alloc_tables(H264Context *h){
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int x,y;
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CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t))
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CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * (16+4+4) * sizeof(uint8_t))
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CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t))
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CHECKED_ALLOCZ(h->slice_table_base , big_mb_num * sizeof(uint8_t))
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CHECKED_ALLOCZ(h->top_border , s->mb_width * (16+8+8) * sizeof(uint8_t))
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memset(h->slice_table_base, -1, big_mb_num * sizeof(uint8_t));
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h->slice_table= h->slice_table_base + s->mb_stride + 1;
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@ -2194,6 +2211,66 @@ static void frame_start(H264Context *h){
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// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
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}
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static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
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MpegEncContext * const s = &h->s;
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int i;
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src_y -= linesize;
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src_cb -= uvlinesize;
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src_cr -= uvlinesize;
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h->left_border[0]= h->top_border[s->mb_x][15];
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for(i=1; i<17; i++){
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h->left_border[i]= src_y[15+i* linesize];
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}
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*(uint64_t*)(h->top_border[s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
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*(uint64_t*)(h->top_border[s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
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if(!(s->flags&CODEC_FLAG_GRAY)){
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h->left_border[17 ]= h->top_border[s->mb_x][16+7];
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h->left_border[17+9]= h->top_border[s->mb_x][24+7];
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for(i=1; i<9; i++){
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h->left_border[i+17 ]= src_cb[7+i*uvlinesize];
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h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
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}
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*(uint64_t*)(h->top_border[s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
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*(uint64_t*)(h->top_border[s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
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}
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}
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static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
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MpegEncContext * const s = &h->s;
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int temp8, i;
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uint64_t temp64;
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src_y -= linesize + 1;
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src_cb -= uvlinesize + 1;
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src_cr -= uvlinesize + 1;
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#define XCHG(a,b,t,xchg)\
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t= a;\
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if(xchg)\
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a= b;\
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b= t;
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for(i=0; i<17; i++){
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XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
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}
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XCHG(*(uint64_t*)(h->top_border[s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
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XCHG(*(uint64_t*)(h->top_border[s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
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if(!(s->flags&CODEC_FLAG_GRAY)){
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for(i=0; i<9; i++){
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XCHG(h->left_border[i+17 ], src_cb[i*uvlinesize], temp8, xchg);
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XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
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}
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XCHG(*(uint64_t*)(h->top_border[s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
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XCHG(*(uint64_t*)(h->top_border[s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
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}
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}
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static void hl_decode_mb(H264Context *h){
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MpegEncContext * const s = &h->s;
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const int mb_x= s->mb_x;
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@ -2229,6 +2306,9 @@ static void hl_decode_mb(H264Context *h){
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}
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if(IS_INTRA(mb_type)){
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if(h->deblocking_filter)
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xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
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if(!(s->flags&CODEC_FLAG_GRAY)){
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h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
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h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
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@ -2246,6 +2326,9 @@ static void hl_decode_mb(H264Context *h){
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if(!topright_avail){
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tr= ptr[3 - linesize]*0x01010101;
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topright= (uint8_t*) &tr;
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}else if(i==5 && h->deblocking_filter){
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tr= *(uint32_t*)h->top_border[mb_x+1];
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topright= (uint8_t*) &tr;
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}
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h->pred4x4[ dir ](ptr, topright, linesize);
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@ -2264,6 +2347,8 @@ static void hl_decode_mb(H264Context *h){
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else
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svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
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}
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if(h->deblocking_filter)
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xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
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}else if(s->codec_id == CODEC_ID_H264){
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hl_motion(h, dest_y, dest_cb, dest_cr,
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s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab,
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@ -2320,6 +2405,10 @@ static void hl_decode_mb(H264Context *h){
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}
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}
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}
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if(h->deblocking_filter) {
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backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
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filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr);
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}
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}
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static void decode_mb_cabac(H264Context *h){
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@ -2983,12 +3072,15 @@ static int decode_slice_header(H264Context *h){
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get_se_golomb(&s->gb); /* slice_qs_delta */
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}
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h->disable_deblocking_filter_idc = 0;
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h->deblocking_filter = 1;
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h->slice_alpha_c0_offset = 0;
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h->slice_beta_offset = 0;
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if( h->pps.deblocking_filter_parameters_present ) {
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h->disable_deblocking_filter_idc= get_ue_golomb(&s->gb);
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if( h->disable_deblocking_filter_idc != 1 ) {
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h->deblocking_filter= get_ue_golomb(&s->gb);
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if(h->deblocking_filter < 2)
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h->deblocking_filter^= 1; // 1<->0
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if( h->deblocking_filter ) {
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h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
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h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
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}
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@ -3007,7 +3099,7 @@ static int decode_slice_header(H264Context *h){
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s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
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h->ref_count[0], h->ref_count[1],
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s->qscale,
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h->disable_deblocking_filter_idc
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h->deblocking_filter
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);
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}
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@ -3201,7 +3293,7 @@ static int decode_mb(H264Context *h){
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//FIXME b frame
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mb_type= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0;
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memset(h->non_zero_count[mb_xy], 0, 16+4+4);
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memset(h->non_zero_count[mb_xy], 0, 16);
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memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
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if(h->sps.mb_aff && s->mb_skip_run==0 && (s->mb_y&1)==0){
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@ -3299,7 +3391,8 @@ decode_intra_mb:
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skip_bits(&s->gb, 384); //FIXME check /fix the bitstream readers
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memset(h->non_zero_count[mb_xy], 16, 16+4+4);
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//FIXME deblock filter, non_zero_count_cache init ...
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memset(h->non_zero_count[mb_xy], 16, 16);
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s->current_picture.qscale_table[mb_xy]= s->qscale;
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return 0;
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@ -3604,7 +3697,10 @@ decode_intra_mb:
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nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
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}
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}else{
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memset(&h->non_zero_count_cache[8], 0, 8*5);
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uint8_t * const nnz= &h->non_zero_count_cache[0];
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fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
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nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
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nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
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}
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s->current_picture.qscale_table[mb_xy]= s->qscale;
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write_back_non_zero_count(h);
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@ -3906,19 +4002,11 @@ static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int bS[4
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}
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}
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static void filter_mb( H264Context *h, int mb_x, int mb_y ) {
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static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr) {
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MpegEncContext * const s = &h->s;
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const int mb_xy= mb_x + mb_y*s->mb_stride;
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uint8_t *img_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
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uint8_t *img_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
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uint8_t *img_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
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int linesize, uvlinesize;
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int dir;
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#if 0
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/* FIXME what's that ? */
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if( !s->decode )
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return;
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#endif
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/* FIXME Implement deblocking filter for field MB */
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if( h->sps.mb_aff ) {
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||||
@ -3938,7 +4026,7 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y ) {
|
||||
start = 1;
|
||||
}
|
||||
/* FIXME test slice boundary */
|
||||
if( h->disable_deblocking_filter_idc == 2 ) {
|
||||
if( h->deblocking_filter == 2 ) {
|
||||
}
|
||||
|
||||
/* Calculate bS */
|
||||
@ -3954,28 +4042,19 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y ) {
|
||||
} else {
|
||||
int i;
|
||||
for( i = 0; i < 4; i++ ) {
|
||||
static const uint8_t block_idx_xy[4][4] = {
|
||||
{ 0, 2, 8, 10}, { 1, 3, 9, 11},
|
||||
{ 4, 6, 12, 14}, { 5, 7, 13, 15}
|
||||
};
|
||||
|
||||
int x = dir == 0 ? edge : i;
|
||||
int y = dir == 0 ? i : edge;
|
||||
int xn = (x - (dir == 0 ? 1 : 0 ))&0x03;
|
||||
int yn = (y - (dir == 0 ? 0 : 1 ))&0x03;
|
||||
int b_idx= 8 + 4 + x + 8*y;
|
||||
int bn_idx= b_idx - (dir ? 8:1);
|
||||
|
||||
if( h->non_zero_count[mb_xy][block_idx_xy[x][y]] != 0 ||
|
||||
h->non_zero_count[mbn_xy][block_idx_xy[xn][yn]] != 0 ) {
|
||||
if( h->non_zero_count_cache[b_idx] != 0 ||
|
||||
h->non_zero_count_cache[bn_idx] != 0 ) {
|
||||
bS[i] = 2;
|
||||
}
|
||||
else if( h->slice_type == P_TYPE ) {
|
||||
const int b8_xy = h->mb2b8_xy[mb_xy]+(y>>1)*h->b8_stride+(x>>1);
|
||||
const int b8n_xy= h->mb2b8_xy[mbn_xy]+(yn>>1)*h->b8_stride+(xn>>1);
|
||||
const int b_xy = h->mb2b_xy[mb_xy]+y*h->b_stride+x;
|
||||
const int bn_xy = h->mb2b_xy[mbn_xy]+yn*h->b_stride+xn;
|
||||
if( s->current_picture.ref_index[0][b8_xy] != s->current_picture.ref_index[0][b8n_xy] ||
|
||||
ABS( s->current_picture.motion_val[0][b_xy][0] - s->current_picture.motion_val[0][bn_xy][0] ) >= 4 ||
|
||||
ABS( s->current_picture.motion_val[0][b_xy][1] - s->current_picture.motion_val[0][bn_xy][1] ) >= 4 )
|
||||
if( h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx] ||
|
||||
ABS( h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] ) >= 4 ||
|
||||
ABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= 4 )
|
||||
bS[i] = 1;
|
||||
else
|
||||
bS[i] = 0;
|
||||
@ -3985,14 +4064,17 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y ) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Filter edge */
|
||||
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
|
||||
qp = ( s->qscale + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
|
||||
if( dir == 0 ) {
|
||||
filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
|
||||
if( (edge&1) == 0 ) {
|
||||
int chroma_qp = ( get_chroma_qp( h, s->current_picture.qscale_table[mb_xy] ) +
|
||||
int chroma_qp = ( h->chroma_qp +
|
||||
get_chroma_qp( h, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
||||
filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS, chroma_qp );
|
||||
filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS, chroma_qp );
|
||||
@ -4000,7 +4082,7 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y ) {
|
||||
} else {
|
||||
filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
|
||||
if( (edge&1) == 0 ) {
|
||||
int chroma_qp = ( get_chroma_qp( h, s->current_picture.qscale_table[mb_xy] ) +
|
||||
int chroma_qp = ( h->chroma_qp +
|
||||
get_chroma_qp( h, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
||||
filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
|
||||
filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
|
||||
@ -4116,17 +4198,6 @@ static int decode_slice(H264Context *h){
|
||||
return -1; //not reached
|
||||
}
|
||||
|
||||
static void filter_frame(H264Context *h) {
|
||||
int mb_x = 0;
|
||||
int mb_y = 0;
|
||||
|
||||
for( mb_y = 0; mb_y < h->s.mb_height; mb_y++ ) {
|
||||
for( mb_x = 0; mb_x < h->s.mb_width; mb_x++ ) {
|
||||
filter_mb( h, mb_x, mb_y );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static inline int decode_vui_parameters(H264Context *h, SPS *sps){
|
||||
MpegEncContext * const s = &h->s;
|
||||
int aspect_ratio_info_present_flag, aspect_ratio_idc;
|
||||
@ -4507,10 +4578,6 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
|
||||
|
||||
ff_er_frame_end(s);
|
||||
|
||||
if( h->disable_deblocking_filter_idc != 1 ) {
|
||||
filter_frame( h );
|
||||
}
|
||||
|
||||
MPV_frame_end(s);
|
||||
|
||||
return buf_index;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user