*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
-
+
/**
* @file h264.c
* H.264 / AVC / MPEG4 part10 codec.
* Sequence parameter set
*/
typedef struct SPS{
-
+
int profile_idc;
int level_idc;
int transform_bypass; ///< qpprime_y_zero_transform_bypass_flag
short offset_for_ref_frame[256]; //FIXME dyn aloc?
int bitstream_restriction_flag;
int num_reorder_frames;
+ int scaling_matrix_present;
+ uint8_t scaling_matrix4[6][16];
+ uint8_t scaling_matrix8[2][64];
}SPS;
/**
int constrained_intra_pred; ///< constrained_intra_pred_flag
int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
int transform_8x8_mode; ///< transform_8x8_mode_flag
+ uint8_t scaling_matrix4[6][16];
+ uint8_t scaling_matrix8[2][64];
}PPS;
/**
MMCO_LONG2UNUSED,
MMCO_SHORT2LONG,
MMCO_SET_MAX_LONG,
- MMCO_RESET,
+ MMCO_RESET,
MMCO_LONG,
} MMCOOpcode;
*/
typedef struct H264Context{
MpegEncContext s;
- int nal_ref_idc;
+ int nal_ref_idc;
int nal_unit_type;
-#define NAL_SLICE 1
-#define NAL_DPA 2
-#define NAL_DPB 3
-#define NAL_DPC 4
-#define NAL_IDR_SLICE 5
-#define NAL_SEI 6
-#define NAL_SPS 7
-#define NAL_PPS 8
-#define NAL_PICTURE_DELIMITER 9
-#define NAL_FILTER_DATA 10
+#define NAL_SLICE 1
+#define NAL_DPA 2
+#define NAL_DPB 3
+#define NAL_DPC 4
+#define NAL_IDR_SLICE 5
+#define NAL_SEI 6
+#define NAL_SPS 7
+#define NAL_PPS 8
+#define NAL_AUD 9
+#define NAL_END_SEQUENCE 10
+#define NAL_END_STREAM 11
+#define NAL_FILLER_DATA 12
+#define NAL_SPS_EXT 13
+#define NAL_AUXILIARY_SLICE 19
uint8_t *rbsp_buffer;
- int rbsp_buffer_size;
+ unsigned int rbsp_buffer_size;
/**
* Used to parse AVC variant of h264
int top_mb_xy;
int left_mb_xy[2];
-
+
int8_t intra4x4_pred_mode_cache[5*8];
int8_t (*intra4x4_pred_mode)[8];
void (*pred4x4 [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
* non zero coeff count cache.
* is 64 if not available.
*/
- uint8_t non_zero_count_cache[6*8] __align8;
+ DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
uint8_t (*non_zero_count)[16];
/**
* Motion vector cache.
*/
- int16_t mv_cache[2][5*8][2] __align8;
- int8_t ref_cache[2][5*8] __align8;
+ DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
+ DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
#define LIST_NOT_USED -1 //FIXME rename?
#define PART_NOT_AVAILABLE -2
-
+
/**
* is 1 if the specific list MV&references are set to 0,0,-2.
*/
* block_offset[24..47] for field macroblocks
*/
int block_offset[2*(16+8)];
-
+
uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
uint32_t *mb2b8_xy;
int b_stride; //FIXME use s->b4_stride
SPS sps_buffer[MAX_SPS_COUNT];
SPS sps; ///< current sps
-
+
PPS pps_buffer[MAX_PPS_COUNT];
/**
* current pps
*/
PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
- uint16_t (*dequant4_coeff)[16]; // FIXME quant matrices should be per SPS or PPS
- uint16_t (*dequant8_coeff)[64];
+ uint32_t dequant4_buffer[6][52][16];
+ uint32_t dequant8_buffer[2][52][64];
+ uint32_t (*dequant4_coeff[6])[16];
+ uint32_t (*dequant8_coeff[2])[64];
+ int dequant_coeff_pps; ///< reinit tables when pps changes
int slice_num;
uint8_t *slice_table_base;
uint8_t *slice_table; ///< slice_table_base + mb_stride + 1
int slice_type;
int slice_type_fixed;
-
+
//interlacing specific flags
int mb_aff_frame;
int mb_field_decoding_flag;
-
+
int sub_mb_type[4];
-
+
//POC stuff
int poc_lsb;
int poc_msb;
* frame_num for frames or 2*frame_num for field pics.
*/
int curr_pic_num;
-
+
/**
* max_frame_num or 2*max_frame_num for field pics.
*/
int chroma_weight[2][16][2];
int chroma_offset[2][16][2];
int implicit_weight[16][16];
-
+
//deblock
- int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
+ int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
int slice_alpha_c0_offset;
int slice_beta_offset;
-
+
int redundant_pic_count;
-
+
int direct_spatial_mv_pred;
int dist_scale_factor[16];
int map_col_to_list0[2][16];
Picture field_ref_list[2][32]; //FIXME size?
Picture *delayed_pic[16]; //FIXME size?
Picture *delayed_output_pic;
-
+
/**
* memory management control operations buffer.
*/
MMCO mmco[MAX_MMCO_COUNT];
int mmco_index;
-
+
int long_ref_count; ///< number of actual long term references
int short_ref_count; ///< number of actual short term references
-
+
//data partitioning
GetBitContext intra_gb;
GetBitContext inter_gb;
GetBitContext *intra_gb_ptr;
GetBitContext *inter_gb_ptr;
-
- DCTELEM mb[16*24] __align8;
+
+ DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
/**
* Cabac
uint8_t *chroma_pred_mode_table;
int last_qscale_diff;
int16_t (*mvd_table[2])[2];
- int16_t mvd_cache[2][5*8][2] __align8;
+ DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
uint8_t *direct_table;
uint8_t direct_cache[5*8];
uint8_t zigzag_scan[16];
uint8_t field_scan[16];
+ uint8_t zigzag_scan8x8[64];
+ uint8_t zigzag_scan8x8_cavlc[64];
const uint8_t *zigzag_scan_q0;
const uint8_t *field_scan_q0;
-
+ const uint8_t *zigzag_scan8x8_q0;
+ const uint8_t *zigzag_scan8x8_cavlc_q0;
+
int x264_build;
}H264Context;
static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-static inline uint32_t pack16to32(int a, int b){
+static always_inline uint32_t pack16to32(int a, int b){
#ifdef WORDS_BIGENDIAN
return (b&0xFFFF) + (a<<16);
#else
* @param w width of the rectangle, should be a constant
* @param size the size of val (1 or 4), should be a constant
*/
-static inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){ //FIXME ensure this IS inlined
+static always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){
uint8_t *p= (uint8_t*)vp;
assert(size==1 || size==4);
-
+
w *= size;
stride *= size;
-
- assert((((int)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
+
+ assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
assert((stride&(w-1))==0);
//FIXME check what gcc generates for 64 bit on x86 and possibly write a 32 bit ver of it
if(w==2 && h==2){
assert(0);
}
-static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
+static void fill_caches(H264Context *h, int mb_type, int for_deblock){
MpegEncContext * const s = &h->s;
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
int topleft_xy, top_xy, topright_xy, left_xy[2];
if(for_deblock && h->slice_num == 1)
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
-
+ //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
+
top_xy = mb_xy - s->mb_stride;
topleft_xy = top_xy - 1;
topright_xy= top_xy + 1;
}
if(IS_INTRA(mb_type)){
- h->topleft_samples_available=
- h->top_samples_available=
+ h->topleft_samples_available=
+ h->top_samples_available=
h->left_samples_available= 0xFFFF;
h->topright_samples_available= 0xEEEA;
h->left_samples_available&= 0x5F5F;
}
}
-
+
if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
h->topleft_samples_available&= 0x7FFF;
-
+
if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
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];
}
}
}
-
-
+
+
/*
-0 . T T. T T T T
-1 L . .L . . . .
-2 L . .L . . . .
-3 . T TL . . . .
-4 L . .L . . . .
-5 L . .. . . . .
+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 (lets hope this is just a typo in the spec)
if(top_type){
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[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++) {
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[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;
}
}
continue;
}
h->mv_cache_clean[list]= 0;
-
+
if(IS_INTER(top_type)){
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;
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] + 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;
}
const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1]];
- h->ref_cache[list][scan8[0] - 1 + 0*8]=
+ h->ref_cache[list][scan8[0] - 1 + 0*8]=
h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
h->ref_cache[list][scan8[0] - 1 + 0*8]=
h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
-
+
if(IS_INTER(left_type[1])){
const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[2]];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[3]];
- h->ref_cache[list][scan8[0] - 1 + 2*8]=
+ h->ref_cache[list][scan8[0] - 1 + 2*8]=
h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
*(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(IS_INTER(topright_type)){
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]= 0;
h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
}
-
- h->ref_cache[list][scan8[5 ]+1] =
- h->ref_cache[list][scan8[7 ]+1] =
+
+ 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[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->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] + 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(IS_INTER(left_type[0])){
}else{
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
}
-
+
//FIXME interlacing
if(IS_DIRECT(left_type[0])){
h->direct_cache[scan8[0] - 1 + 0*8]=
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;
-
+
if(!(h->top_samples_available&0x8000)){
for(i=0; i<4; i++){
int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
}
}
}
-
+
if(!(h->left_samples_available&0x8000)){
for(i=0; i<4; i++){
int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
MpegEncContext * const s = &h->s;
static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
-
+
if(mode < 0 || mode > 6) {
av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
-
+
if(!(h->top_samples_available&0x8000)){
mode= top[ mode ];
if(mode<0){
return -1;
}
}
-
+
if(!(h->left_samples_available&0x8000)){
mode= left[ mode ];
if(mode<0){
av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
return -1;
- }
+ }
}
return mode;
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];
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("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
assert(part_width==1 || part_width==2 || part_width==4);
/* mv_cache
- B . . A T T T T
+ B . . A T T T T
U . . L . . , .
U . . L . . . .
U . . L . . , .
}else if(match_count==1){
if(left_ref==ref){
*mx= A[0];
- *my= A[1];
+ *my= A[1];
}else if(top_ref==ref){
*mx= B[0];
- *my= B[1];
+ *my= B[1];
}else{
*mx= C[0];
- *my= C[1];
+ *my= C[1];
}
}else{
if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
*mx= A[0];
- *my= A[1];
+ *my= A[1];
}else{
*mx= mid_pred(A[0], B[0], C[0]);
*my= mid_pred(A[1], B[1], C[1]);
}
}
-
+
tprintf("pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
}
const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
tprintf("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];
}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("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){
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("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){
int diagonal_ref;
diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
-
+
tprintf("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){
+ if(diagonal_ref == ref){
*mx= C[0];
*my= C[1];
return;
if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
|| (top_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
|| (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
-
+
*mx = *my = 0;
return;
}
-
+
pred_motion(h, 0, 4, 0, 0, mx, my);
return;
for(list=0; list<2; list++){
for(i=0; i<ref1->ref_count[list]; i++){
const int poc = ref1->ref_poc[list][i];
- h->map_col_to_list0[list][i] = PART_NOT_AVAILABLE;
+ h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
for(j=0; j<h->ref_count[list]; j++)
if(h->ref_list[list][j].poc == poc){
h->map_col_to_list0[list][i] = j;
*mb_type |= MB_TYPE_DIRECT2;
tprintf("mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
-
+
if(h->direct_spatial_mv_pred){
int ref[2];
int mv[2][2];
}
if(IS_16X16(*mb_type)){
- fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref[0], 1);
- fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, ref[1], 1);
- if(!IS_INTRA(mb_type_col)
+ fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
+ fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
+ if(!IS_INTRA(mb_type_col)
&& ( (l1ref0[0] == 0 && ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1)
|| (l1ref0[0] < 0 && l1ref1[0] == 0 && ABS(l1mv1[0][0]) <= 1 && ABS(l1mv1[0][1]) <= 1
&& (h->x264_build>33 || !h->x264_build)))){
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
-
+
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
-
+
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
- fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref[0], 1);
- fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, ref[1], 1);
-
+ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
+ fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
+
/* col_zero_flag */
- if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0
- || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
+ if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0
+ || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
&& (h->x264_build>33 || !h->x264_build)))){
const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
+ if(IS_SUB_8X8(sub_mb_type)){
+ const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
+ if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
+ if(ref[0] == 0)
+ fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
+ if(ref[1] == 0)
+ fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+ }
+ }else
for(i4=0; i4<4; i4++){
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
continue;
}
-
+
ref0 = l1ref0[x8 + y8*h->b8_stride];
if(ref0 >= 0)
ref0 = h->map_col_to_list0[0][ref0];
l1mv= l1mv1;
}
dist_scale_factor = h->dist_scale_factor[ref0];
-
+
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
+ if(IS_SUB_8X8(sub_mb_type)){
+ const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
+ int mx = (dist_scale_factor * mv_col[0] + 128) >> 8;
+ int my = (dist_scale_factor * mv_col[1] + 128) >> 8;
+ fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
+ fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
+ }else
for(i4=0; i4<4; i4++){
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
}
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];
s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+2 + 16*y];
}
}
-
+
if(h->slice_type == B_TYPE && h->pps.cabac){
if(IS_8X8(mb_type)){
h->direct_table[b8_xy+1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
* @param consumed is the number of bytes used as input
* @param length is the length of the array
* @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
- * @returns decoded bytes, might be src+1 if no escapes
+ * @returns decoded bytes, might be src+1 if no escapes
*/
static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
int i, si, di;
uint8_t *dst;
-// src[0]&0x80; //forbidden bit
+// src[0]&0x80; //forbidden bit
h->nal_ref_idc= src[0]>>5;
h->nal_unit_type= src[0]&0x1F;
src++; length--;
-#if 0
+#if 0
for(i=0; i<length; i++)
printf("%2X ", src[i]);
#endif
if(i>=length-1){ //no escaped 0
*dst_length= length;
*consumed= length+1; //+1 for the header
- return src;
+ return src;
}
h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
//printf("decoding esc\n");
si=di=0;
- while(si<length){
+ while(si<length){
//remove escapes (very rare 1:2^22)
if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
if(src[si+2]==3){ //escape
static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
int i, escape_count, si, di;
uint8_t *temp;
-
+
assert(length>=0);
assert(dst_length>0);
-
+
dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
if(length==0) return 1;
escape_count= 0;
for(i=0; i<length; i+=2){
if(src[i]) continue;
- if(i>0 && src[i-1]==0)
+ if(i>0 && src[i-1]==0)
i--;
if(i+2<length && src[i+1]==0 && src[i+2]<=3){
escape_count++;
i+=2;
}
}
-
- if(escape_count==0){
+
+ if(escape_count==0){
if(dst+1 != src)
memcpy(dst+1, src, length);
return length + 1;
}
-
+
if(length + escape_count + 1> dst_length)
return -1;
h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
temp= h->rbsp_buffer;
//printf("encoding esc\n");
-
+
si= 0;
di= 0;
while(si < length){
if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
temp[di++]= 0; si++;
temp[di++]= 0; si++;
- temp[di++]= 3;
+ temp[di++]= 3;
temp[di++]= src[si++];
}
else
temp[di++]= src[si++];
}
memcpy(dst+1, temp, length+escape_count);
-
+
assert(di == length+escape_count);
-
+
return di + 1;
}
* idct tranforms the 16 dc values and dequantize them.
* @param qp quantization parameter
*/
-static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp){
- const int qmul= dequant_coeff[qp][0];
+static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
#define stride 16
int i;
int temp[16]; //FIXME check if this is a good idea
const int z2= temp[4*1+i] - temp[4*3+i];
const int z3= temp[4*1+i] + temp[4*3+i];
- block[stride*0 +offset]= ((z0 + z3)*qmul + 2)>>2; //FIXME think about merging this into decode_resdual
- block[stride*2 +offset]= ((z1 + z2)*qmul + 2)>>2;
- block[stride*8 +offset]= ((z1 - z2)*qmul + 2)>>2;
- block[stride*10+offset]= ((z0 - z3)*qmul + 2)>>2;
+ block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual
+ block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
+ block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
+ block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
}
}
#undef xStride
#undef stride
-static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp){
- const int qmul= dequant_coeff[qp][0];
+static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
const int stride= 16*2;
const int xStride= 16;
int a,b,c,d,e;
b= c-d;
c= c+d;
- block[stride*0 + xStride*0]= ((a+c)*qmul + 0)>>1;
- block[stride*0 + xStride*1]= ((e+b)*qmul + 0)>>1;
- block[stride*1 + xStride*0]= ((a-c)*qmul + 0)>>1;
- block[stride*1 + xStride*1]= ((e-b)*qmul + 0)>>1;
+ block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
+ block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
+ block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
+ block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
}
#if 0
* gets the chroma qp.
*/
static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
-
+
return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)];
}
static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
int i;
//FIXME try int temp instead of block
-
+
for(i=0; i<4; i++){
const int d0= src1[0 + i*stride] - src2[0 + i*stride];
const int d1= src1[1 + i*stride] - src2[1 + i*stride];
const int z3= d0 - d3;
const int z1= d1 + d2;
const int z2= d1 - d2;
-
+
block[0 + 4*i]= z0 + z1;
block[1 + 4*i]= 2*z3 + z2;
block[2 + 4*i]= z0 - z1;
block[3 + 4*i]= z3 - 2*z2;
- }
+ }
for(i=0; i<4; i++){
const int z0= block[0*4 + i] + block[3*4 + i];
const int z3= block[0*4 + i] - block[3*4 + i];
const int z1= block[1*4 + i] + block[2*4 + i];
const int z2= block[1*4 + i] - block[2*4 + i];
-
+
block[0*4 + i]= z0 + z1;
block[1*4 + i]= 2*z3 + z2;
block[2*4 + i]= z0 - z1;
static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
+ src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
-
- ((uint32_t*)(src+0*stride))[0]=
- ((uint32_t*)(src+1*stride))[0]=
- ((uint32_t*)(src+2*stride))[0]=
- ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
+
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
}
static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
-
- ((uint32_t*)(src+0*stride))[0]=
- ((uint32_t*)(src+1*stride))[0]=
- ((uint32_t*)(src+2*stride))[0]=
- ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
+
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
}
static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
-
- ((uint32_t*)(src+0*stride))[0]=
- ((uint32_t*)(src+1*stride))[0]=
- ((uint32_t*)(src+2*stride))[0]=
- ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
+
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
}
static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
- ((uint32_t*)(src+0*stride))[0]=
- ((uint32_t*)(src+1*stride))[0]=
- ((uint32_t*)(src+2*stride))[0]=
+ ((uint32_t*)(src+0*stride))[0]=
+ ((uint32_t*)(src+1*stride))[0]=
+ ((uint32_t*)(src+2*stride))[0]=
((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
}
LOAD_TOP_EDGE
LOAD_LEFT_EDGE
- src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
+ src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
src[0+2*stride]=
- src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
+ src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
src[0+1*stride]=
src[1+2*stride]=
- src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
+ src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
src[0+0*stride]=
src[1+1*stride]=
src[2+2*stride]=
- src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
+ src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
src[1+0*stride]=
src[2+1*stride]=
src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
}
static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
- LOAD_TOP_EDGE
- LOAD_TOP_RIGHT_EDGE
-// LOAD_LEFT_EDGE
+ LOAD_TOP_EDGE
+ LOAD_TOP_RIGHT_EDGE
+// LOAD_LEFT_EDGE
src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
src[1+0*stride]=
static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
- LOAD_TOP_EDGE
- LOAD_LEFT_EDGE
+ LOAD_TOP_EDGE
+ LOAD_LEFT_EDGE
const __attribute__((unused)) int unu= l3;
src[0+0*stride]=
}
static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
- LOAD_TOP_EDGE
- LOAD_TOP_RIGHT_EDGE
+ LOAD_TOP_EDGE
+ LOAD_TOP_RIGHT_EDGE
const __attribute__((unused)) int unu= t7;
src[0+0*stride]=(t0 + t1 + 1)>>1;
}
static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
- LOAD_LEFT_EDGE
+ LOAD_LEFT_EDGE
src[0+0*stride]=(l0 + l1 + 1)>>1;
src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
src[2+3*stride]=
src[3+3*stride]=l3;
}
-
+
static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
- LOAD_TOP_EDGE
- LOAD_LEFT_EDGE
+ LOAD_TOP_EDGE
+ LOAD_LEFT_EDGE
const __attribute__((unused)) int unu= t3;
src[0+0*stride]=
const uint32_t b= ((uint32_t*)(src-stride))[1];
const uint32_t c= ((uint32_t*)(src-stride))[2];
const uint32_t d= ((uint32_t*)(src-stride))[3];
-
+
for(i=0; i<16; i++){
((uint32_t*)(src+i*stride))[0]= a;
((uint32_t*)(src+i*stride))[1]= b;
for(i=0;i<16; i++){
dc+= src[-1+i*stride];
}
-
+
for(i=0;i<16; i++){
dc+= src[i-stride];
}
for(i=0;i<16; i++){
dc+= src[-1+i*stride];
}
-
+
dc= 0x01010101*((dc + 8)>>4);
for(i=0; i<16; i++){
int i;
const uint32_t a= ((uint32_t*)(src-stride))[0];
const uint32_t b= ((uint32_t*)(src-stride))[1];
-
+
for(i=0; i<8; i++){
((uint32_t*)(src+i*stride))[0]= a;
((uint32_t*)(src+i*stride))[1]= b;
int i;
for(i=0; i<8; i++){
- ((uint32_t*)(src+i*stride))[0]=
+ ((uint32_t*)(src+i*stride))[0]=
((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
}
}
SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
-
+
}
static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
const int full_my= my>>2;
const int pic_width = 16*s->mb_width;
const int pic_height = 16*s->mb_height;
-
- assert(pic->data[0]);
-
+
+ if(!pic->data[0])
+ return;
+
if(mx&7) extra_width -= 3;
if(my&7) extra_height -= 3;
-
- if( full_mx < 0-extra_width
- || full_my < 0-extra_height
- || full_mx + 16/*FIXME*/ > pic_width + extra_width
+
+ if( full_mx < 0-extra_width
+ || full_my < 0-extra_height
+ || full_mx + 16/*FIXME*/ > pic_width + extra_width
|| full_my + 16/*FIXME*/ > pic_height + extra_height){
ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
src_y= s->edge_emu_buffer + 2 + 2*s->linesize;
emu=1;
}
-
+
qpix_op[luma_xy](dest_y, src_y, s->linesize); //FIXME try variable height perhaps?
if(!square){
qpix_op[luma_xy](dest_y + delta, src_y + delta, s->linesize);
}
-
+
if(s->flags&CODEC_FLAG_GRAY) return;
-
+
if(emu){
ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
src_cb= s->edge_emu_buffer;
MpegEncContext * const s = &h->s;
qpel_mc_func *qpix_op= qpix_put;
h264_chroma_mc_func chroma_op= chroma_put;
-
+
dest_y += 2*x_offset + 2*y_offset*s-> linesize;
dest_cb += x_offset + y_offset*s->uvlinesize;
dest_cr += x_offset + y_offset*s->uvlinesize;
x_offset += 8*s->mb_x;
y_offset += 8*s->mb_y;
-
+
if(list0){
Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
dest_cr += x_offset + y_offset*s->uvlinesize;
x_offset += 8*s->mb_x;
y_offset += 8*s->mb_y;
-
+
if(list0 && list1){
/* don't optimize for luma-only case, since B-frames usually
* use implicit weights => chroma too. */
if(h->use_weight == 2){
int weight0 = h->implicit_weight[refn0][refn1];
int weight1 = 64 - weight0;
- luma_weight_avg( dest_y, tmp_y, s-> linesize, 5, weight0, weight1, 0, 0);
- chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, 5, weight0, weight1, 0, 0);
- chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, 5, weight0, weight1, 0, 0);
+ luma_weight_avg( dest_y, tmp_y, s-> linesize, 5, weight0, weight1, 0);
+ chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, 5, weight0, weight1, 0);
+ chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, 5, weight0, weight1, 0);
}else{
luma_weight_avg(dest_y, tmp_y, s->linesize, h->luma_log2_weight_denom,
- h->luma_weight[0][refn0], h->luma_weight[1][refn1],
- h->luma_offset[0][refn0], h->luma_offset[1][refn1]);
+ h->luma_weight[0][refn0], h->luma_weight[1][refn1],
+ h->luma_offset[0][refn0] + h->luma_offset[1][refn1]);
chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
- h->chroma_offset[0][refn0][0], h->chroma_offset[1][refn1][0]);
+ h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
+ h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]);
chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
- h->chroma_offset[0][refn0][1], h->chroma_offset[1][refn1][1]);
+ h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
+ h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]);
}
}else{
int list = list1 ? 1 : 0;
int x_offset, int y_offset,
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
- h264_weight_func *weight_op, h264_biweight_func *weight_avg,
+ h264_weight_func *weight_op, h264_biweight_func *weight_avg,
int list0, int list1){
if((h->use_weight==2 && list0 && list1
&& (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
MpegEncContext * const s = &h->s;
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
const int mb_type= s->current_picture.mb_type[mb_xy];
-
+
assert(IS_INTER(mb_type));
-
+
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],
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
}else{
int i;
-
+
assert(IS_8X8(mb_type));
for(i=0; i<4; i++){
int i;
done = 1;
- init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
+ 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, 1);
for(i=0; i<4; i++){
- init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
+ 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, 1);
}
&chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
}
for(i=0; i<15; i++){
- init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
+ 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, 1);
}
for(i=0; i<6; i++){
- init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
+ init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
&run_len [i][0], 1, 1,
&run_bits[i][0], 1, 1, 1);
}
- init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
+ init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
&run_len [6][0], 1, 1,
&run_bits[6][0], 1, 1, 1);
}
av_freep(&h->mb2b_xy);
av_freep(&h->mb2b8_xy);
- av_freep(&h->dequant4_coeff);
- av_freep(&h->dequant8_coeff);
-
av_freep(&h->s.obmc_scratchpad);
}
+static void init_dequant8_coeff_table(H264Context *h){
+ int i,q,x;
+ const int transpose = (h->s.dsp.h264_idct8_add != ff_h264_idct8_add_c); //FIXME ugly
+ h->dequant8_coeff[0] = h->dequant8_buffer[0];
+ h->dequant8_coeff[1] = h->dequant8_buffer[1];
+
+ for(i=0; i<2; i++ ){
+ if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){
+ h->dequant8_coeff[1] = h->dequant8_buffer[0];
+ break;
+ }
+
+ for(q=0; q<52; q++){
+ int shift = div6[q];
+ int idx = rem6[q];
+ for(x=0; x<64; x++)
+ h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
+ ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
+ h->pps.scaling_matrix8[i][x]) << shift;
+ }
+ }
+}
+
+static void init_dequant4_coeff_table(H264Context *h){
+ int i,j,q,x;
+ const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly
+ for(i=0; i<6; i++ ){
+ h->dequant4_coeff[i] = h->dequant4_buffer[i];
+ for(j=0; j<i; j++){
+ if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
+ h->dequant4_coeff[i] = h->dequant4_buffer[j];
+ break;
+ }
+ }
+ if(j<i)
+ continue;
+
+ for(q=0; q<52; q++){
+ int shift = div6[q] + 2;
+ int idx = rem6[q];
+ for(x=0; x<16; x++)
+ h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
+ ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
+ h->pps.scaling_matrix4[i][x]) << shift;
+ }
+ }
+}
+
+static void init_dequant_tables(H264Context *h){
+ int i,x;
+ init_dequant4_coeff_table(h);
+ if(h->pps.transform_8x8_mode)
+ init_dequant8_coeff_table(h);
+ if(h->sps.transform_bypass){
+ for(i=0; i<6; i++)
+ for(x=0; x<16; x++)
+ h->dequant4_coeff[i][0][x] = 1<<6;
+ if(h->pps.transform_8x8_mode)
+ for(i=0; i<2; i++)
+ for(x=0; x<64; x++)
+ h->dequant8_coeff[i][0][x] = 1<<6;
+ }
+}
+
+
/**
* allocates tables.
* needs width/height
static int alloc_tables(H264Context *h){
MpegEncContext * const s = &h->s;
const int big_mb_num= s->mb_stride * (s->mb_height+1);
- int x,y,q;
+ int x,y;
CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t))
const int mb_xy= x + y*s->mb_stride;
const int b_xy = 4*x + 4*y*h->b_stride;
const int b8_xy= 2*x + 2*y*h->b8_stride;
-
+
h->mb2b_xy [mb_xy]= b_xy;
h->mb2b8_xy[mb_xy]= b8_xy;
}
}
- CHECKED_ALLOCZ(h->dequant4_coeff, 52*16 * sizeof(uint16_t));
- CHECKED_ALLOCZ(h->dequant8_coeff, 52*64 * sizeof(uint16_t));
- memcpy(h->dequant4_coeff, dequant_coeff, 52*16 * sizeof(uint16_t));
- for(q=0; q<52; q++){
- int shift = div6[q];
- int idx = rem6[q];
- if(shift >= 2) // qp<12 are shifted during dequant
- shift -= 2;
- for(x=0; x<64; x++)
- h->dequant8_coeff[q][x] = dequant8_coeff_init[idx][
- dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] << shift;
- }
- if(h->sps.transform_bypass){
- for(x=0; x<16; x++)
- h->dequant4_coeff[0][x] = 1;
- for(x=0; x<64; x++)
- h->dequant8_coeff[0][x] = 1<<2;
- }
-
s->obmc_scratchpad = NULL;
+ if(!h->dequant4_coeff[0])
+ init_dequant_tables(h);
+
return 0;
fail:
free_tables(h);
s->width = s->avctx->width;
s->height = s->avctx->height;
s->codec_id= s->avctx->codec->id;
-
+
init_pred_ptrs(h);
+ h->dequant_coeff_pps= -1;
s->unrestricted_mv=1;
s->decode=1; //FIXME
+
+ memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
+ memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
}
static int decode_init(AVCodecContext *avctx){
MpegEncContext * const s = &h->s;
MPV_decode_defaults(s);
-
+
s->avctx = avctx;
common_init(h);
avctx->pix_fmt= PIX_FMT_YUV420P;
decode_init_vlc(h);
-
+
if(avctx->extradata_size > 0 && avctx->extradata &&
*(char *)avctx->extradata == 1){
h->is_avc = 1;
return 0;
}
-static void frame_start(H264Context *h){
+static int frame_start(H264Context *h){
MpegEncContext * const s = &h->s;
int i;
- MPV_frame_start(s, s->avctx);
+ if(MPV_frame_start(s, s->avctx) < 0)
+ return -1;
ff_er_frame_start(s);
assert(s->linesize && s->uvlinesize);
s->obmc_scratchpad = av_malloc(16*s->linesize + 2*8*s->uvlinesize);
// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
+ return 0;
}
static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
MpegEncContext * const s = &h->s;
int i;
-
+
src_y -= linesize;
src_cb -= uvlinesize;
src_cr -= uvlinesize;
for(i=1; i<17; i++){
h->left_border[i]= src_y[15+i* linesize];
}
-
+
*(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
*(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
MpegEncContext * const s = &h->s;
int i;
-
+
src_y -= 2 * linesize;
src_cb -= 2 * uvlinesize;
src_cr -= 2 * uvlinesize;
for(i=2; i<34; i++){
h->left_border[i]= src_y[15+i* linesize];
}
-
+
*(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 32*linesize);
*(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
*(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y + 33*linesize);
const unsigned int bottom = mb_y & 1;
const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass);
void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
+ void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
if(!s->decode)
return;
uvlinesize = s->uvlinesize;
// dct_offset = s->linesize * 16;
}
-
- idct_add = transform_bypass
- ? IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4
- : IS_8x8DCT(mb_type) ? s->dsp.h264_idct8_add : s->dsp.h264_idct_add;
+
+ if(transform_bypass){
+ idct_dc_add =
+ idct_add = IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
+ }else if(IS_8x8DCT(mb_type)){
+ idct_dc_add = s->dsp.h264_idct8_dc_add;
+ idct_add = s->dsp.h264_idct8_add;
+ }else{
+ idct_dc_add = s->dsp.h264_idct_dc_add;
+ idct_add = s->dsp.h264_idct_add;
+ }
if (IS_INTRA_PCM(mb_type)) {
unsigned int x, y;
for(i=0; i<16; i+=4){
uint8_t * const ptr= dest_y + block_offset[i];
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
+ const int nnz = h->non_zero_count_cache[ scan8[i] ];
h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
(h->topright_samples_available<<(i+1))&0x8000, linesize);
- if(h->non_zero_count_cache[ scan8[i] ])
- idct_add(ptr, h->mb + i*16, linesize);
+ if(nnz){
+ if(nnz == 1 && h->mb[i*16])
+ idct_dc_add(ptr, h->mb + i*16, linesize);
+ else
+ idct_add(ptr, h->mb + i*16, linesize);
+ }
}
}else
for(i=0; i<16; i++){
uint8_t * const ptr= dest_y + block_offset[i];
uint8_t *topright;
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
- int tr;
+ int nnz, tr;
if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
const int topright_avail= (h->topright_samples_available<<i)&0x8000;
if(!topright_avail){
tr= ptr[3 - linesize]*0x01010101;
topright= (uint8_t*) &tr;
- }else
+ }else
topright= ptr + 4 - linesize;
}else
topright= NULL;
h->pred4x4[ dir ](ptr, topright, linesize);
- if(h->non_zero_count_cache[ scan8[i] ]){
- if(s->codec_id == CODEC_ID_H264)
- idct_add(ptr, h->mb + i*16, linesize);
- else
+ nnz = h->non_zero_count_cache[ scan8[i] ];
+ if(nnz){
+ if(s->codec_id == CODEC_ID_H264){
+ if(nnz == 1 && h->mb[i*16])
+ idct_dc_add(ptr, h->mb + i*16, linesize);
+ else
+ idct_add(ptr, h->mb + i*16, linesize);
+ }else
svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
}
}
h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
if(s->codec_id == CODEC_ID_H264){
if(!transform_bypass)
- h264_luma_dc_dequant_idct_c(h->mb, s->qscale);
+ h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]);
}else
svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
}
}
}else if(s->codec_id == CODEC_ID_H264){
hl_motion(h, dest_y, dest_cb, dest_cr,
- s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab,
+ s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab,
s->dsp.avg_h264_qpel_pixels_tab, s->dsp.avg_h264_chroma_pixels_tab,
s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
}
if(!IS_INTRA4x4(mb_type)){
if(s->codec_id == CODEC_ID_H264){
- const int di = IS_8x8DCT(mb_type) ? 4 : 1;
- for(i=0; i<16; i+=di){
- 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];
- idct_add(ptr, h->mb + i*16, linesize);
+ if(IS_INTRA16x16(mb_type)){
+ for(i=0; i<16; i++){
+ if(h->non_zero_count_cache[ scan8[i] ])
+ idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ else if(h->mb[i*16])
+ idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ }
+ }else{
+ const int di = IS_8x8DCT(mb_type) ? 4 : 1;
+ for(i=0; i<16; i+=di){
+ int nnz = h->non_zero_count_cache[ scan8[i] ];
+ if(nnz){
+ if(nnz==1 && h->mb[i*16])
+ idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ else
+ idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+ }
}
}
}else{
}
if(!(s->flags&CODEC_FLAG_GRAY)){
- idct_add = transform_bypass ? s->dsp.add_pixels4 : s->dsp.h264_idct_add;
- if(!transform_bypass){
- chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp);
- chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp);
+ uint8_t *dest[2] = {dest_cb, dest_cr};
+ if(transform_bypass){
+ idct_add = idct_dc_add = s->dsp.add_pixels4;
+ }else{
+ idct_add = s->dsp.h264_idct_add;
+ idct_dc_add = s->dsp.h264_idct_dc_add;
+ chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]);
+ chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]);
}
if(s->codec_id == CODEC_ID_H264){
- for(i=16; i<16+4; i++){
- if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
- uint8_t * const ptr= dest_cb + block_offset[i];
- idct_add(ptr, h->mb + i*16, uvlinesize);
- }
- }
- for(i=20; i<20+4; i++){
- if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
- uint8_t * const ptr= dest_cr + block_offset[i];
- idct_add(ptr, h->mb + i*16, uvlinesize);
- }
+ for(i=16; i<16+8; i++){
+ if(h->non_zero_count_cache[ scan8[i] ])
+ idct_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
+ else if(h->mb[i*16])
+ idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
}
}else{
- for(i=16; i<16+4; i++){
+ for(i=16; i<16+8; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
- uint8_t * const ptr= dest_cb + block_offset[i];
- svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
- }
- }
- for(i=20; i<20+4; i++){
- if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
- uint8_t * const ptr= dest_cr + block_offset[i];
+ uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
}
}
backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
// TODO deblock a pair
- // top
+ // top
s->mb_y--;
tprintf("call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
int i;
int smallest_poc_greater_than_current = -1;
Picture sorted_short_ref[32];
-
+
if(h->slice_type==B_TYPE){
int out_i;
int limit= INT_MIN;
best_i= i;
}
}
-
+
assert(best_i != INT_MIN);
-
+
limit= best_poc;
sorted_short_ref[out_i]= *h->short_ref[best_i];
tprintf("sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
h->default_ref_list[ list ][index ]= *h->long_ref[i];
h->default_ref_list[ list ][index++].pic_id= i;;
}
-
+
if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
// swap the two first elements of L1 when
// L0 and L1 are identical
static int decode_ref_pic_list_reordering(H264Context *h){
MpegEncContext * const s = &h->s;
int list, index;
-
+
print_short_term(h);
print_long_term(h);
if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func
-
+
for(list=0; list<2; list++){
memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
int pic_id;
int i;
Picture *ref = NULL;
-
- if(reordering_of_pic_nums_idc==3)
+
+ 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 int abs_diff_pic_num= get_ue_golomb(&s->gb) + 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;
-
+
for(i= h->short_ref_count-1; i>=0; i--){
ref = h->short_ref[i];
assert(ref->reference == 3);
}
if(h->slice_type!=B_TYPE) break;
}
-
+
if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
direct_dist_scale_factor(h);
direct_ref_list_init(h);
- return 0;
+ return 0;
}
static int pred_weight_table(H264Context *h){
MpegEncContext * const s = &h->s;
int list, i;
int luma_def, chroma_def;
-
+
h->use_weight= 0;
h->use_weight_chroma= 0;
h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
for(list=0; list<2; list++){
for(i=0; i<h->ref_count[list]; i++){
int luma_weight_flag, chroma_weight_flag;
-
+
luma_weight_flag= get_bits1(&s->gb);
if(luma_weight_flag){
h->luma_weight[list][i]= get_se_golomb(&s->gb);
static void flush_dpb(AVCodecContext *avctx){
H264Context *h= avctx->priv_data;
int i;
- for(i=0; i<16; i++)
+ for(i=0; i<16; i++) {
+ if(h->delayed_pic[i])
+ h->delayed_pic[i]->reference= 0;
h->delayed_pic[i]= NULL;
+ }
+ if(h->delayed_output_pic)
+ h->delayed_output_pic->reference= 0;
h->delayed_output_pic= NULL;
idr(h);
if(h->s.current_picture_ptr)
static Picture * remove_short(H264Context *h, int frame_num){
MpegEncContext * const s = &h->s;
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);
-
+
for(i=0; i<h->short_ref_count; i++){
Picture *pic= h->short_ref[i];
if(s->avctx->debug&FF_DEBUG_MMCO)
int i, j;
int current_is_long=0;
Picture *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++){
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_frame_num, h->mmco[i].long_index);
case MMCO_SHORT2LONG:
pic= remove_long(h, mmco[i].long_index);
if(pic) unreference_pic(h, pic);
-
+
h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
h->long_ref[ mmco[i].long_index ]->long_ref=1;
h->long_ref_count++;
case MMCO_LONG:
pic= remove_long(h, mmco[i].long_index);
if(pic) unreference_pic(h, pic);
-
+
h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr;
h->long_ref[ mmco[i].long_index ]->long_ref=1;
h->long_ref_count++;
-
+
current_is_long=1;
break;
case MMCO_SET_MAX_LONG:
default: assert(0);
}
}
-
+
if(!current_is_long){
pic= remove_short(h, s->current_picture_ptr->frame_num);
if(pic){
unreference_pic(h, 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]->long_ref=0;
h->short_ref_count++;
}
-
+
print_short_term(h);
print_long_term(h);
- return 0;
+ return 0;
}
static int decode_ref_pic_marking(H264Context *h){
MpegEncContext * const s = &h->s;
int i;
-
+
if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
s->broken_link= get_bits1(&s->gb) -1;
h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx
else{
h->mmco[0].opcode= MMCO_LONG;
h->mmco_index= 1;
- }
+ }
}else{
if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
- for(i= 0; i<MAX_MMCO_COUNT; i++) {
+ for(i= 0; i<MAX_MMCO_COUNT; i++) {
MMCOOpcode opcode= get_ue_golomb(&s->gb);;
h->mmco[i].opcode= opcode;
return -1;
}
}
-
+
if(opcode > MMCO_LONG){
av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
return -1;
h->mmco_index= 0;
}
}
-
- return 0;
+
+ return 0;
}
static int init_poc(H264Context *h){
else
h->poc_msb = h->prev_poc_msb;
//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
- field_poc[0] =
+ field_poc[0] =
field_poc[1] = h->poc_msb + h->poc_lsb;
- if(s->picture_structure == PICT_FRAME)
+ if(s->picture_structure == PICT_FRAME)
field_poc[1] += h->delta_poc_bottom;
}else if(h->sps.poc_type==1){
int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
if(h->nal_ref_idc==0 && abs_frame_num > 0)
abs_frame_num--;
-
+
expected_delta_per_poc_cycle = 0;
for(i=0; i < h->sps.poc_cycle_length; i++)
expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
} else
expectedpoc = 0;
- if(h->nal_ref_idc == 0)
+ if(h->nal_ref_idc == 0)
expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
-
+
field_poc[0] = expectedpoc + h->delta_poc[0];
field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
field_poc[0]= poc;
field_poc[1]= poc;
}
-
+
if(s->picture_structure != PICT_BOTTOM_FIELD)
s->current_picture_ptr->field_poc[0]= field_poc[0];
if(s->picture_structure != PICT_TOP_FIELD)
h->slice_type_fixed=1;
}else
h->slice_type_fixed=0;
-
+
slice_type= slice_type_map[ slice_type ];
if (slice_type == I_TYPE
|| (h->slice_num != 0 && slice_type == h->slice_type) ) {
h->slice_type= slice_type;
s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
-
+
pps_id= get_ue_golomb(&s->gb);
if(pps_id>255){
av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
return -1;
}
-
+
+ if(h->dequant_coeff_pps != pps_id){
+ h->dequant_coeff_pps = pps_id;
+ init_dequant_tables(h);
+ }
+
s->mb_width= h->sps.mb_width;
s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
-
- h->b_stride= s->mb_width*4 + 1;
- h->b8_stride= s->mb_width*2 + 1;
+
+ h->b_stride= s->mb_width*4;
+ h->b8_stride= s->mb_width*2;
s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right );
if(h->sps.frame_mbs_only_flag)
s->height= 16*s->mb_height - 2*(h->sps.crop_top + h->sps.crop_bottom);
else
s->height= 16*s->mb_height - 4*(h->sps.crop_top + h->sps.crop_bottom); //FIXME recheck
-
- if (s->context_initialized
+
+ if (s->context_initialized
&& ( s->width != s->avctx->width || s->height != s->avctx->height)) {
free_tables(h);
MPV_common_end(s);
if (!s->context_initialized) {
if (MPV_common_init(s) < 0)
return -1;
-
+
if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
memcpy(h-> field_scan, field_scan, 16*sizeof(uint8_t));
#define T(x) (x>>2) | ((x<<2) & 0xF)
h->zigzag_scan[i] = T(zigzag_scan[i]);
h-> field_scan[i] = T( field_scan[i]);
+#undef T
+ }
+ }
+ if(s->dsp.h264_idct8_add == ff_h264_idct8_add_c){
+ memcpy(h->zigzag_scan8x8, zigzag_scan8x8, 64*sizeof(uint8_t));
+ memcpy(h->zigzag_scan8x8_cavlc, zigzag_scan8x8_cavlc, 64*sizeof(uint8_t));
+ }else{
+ int i;
+ for(i=0; i<64; i++){
+#define T(x) (x>>3) | ((x&7)<<3)
+ h->zigzag_scan8x8[i] = T(zigzag_scan8x8[i]);
+ h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
+#undef T
}
}
if(h->sps.transform_bypass){ //FIXME same ugly
h->zigzag_scan_q0 = zigzag_scan;
h->field_scan_q0 = field_scan;
+ h->zigzag_scan8x8_q0 = zigzag_scan8x8;
+ h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
}else{
h->zigzag_scan_q0 = h->zigzag_scan;
h->field_scan_q0 = h->field_scan;
+ h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
+ h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
}
alloc_tables(h);
s->avctx->sample_aspect_ratio.den = 1;
if(h->sps.timing_info_present_flag){
- s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale};
+ s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};
+ if(h->x264_build > 0 && h->x264_build < 44)
+ s->avctx->time_base.den *= 2;
+ av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
+ s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);
}
}
if(h->slice_num == 0){
- frame_start(h);
+ if(frame_start(h) < 0)
+ return -1;
}
s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
if(s->mb_y >= s->mb_height){
return -1;
}
-
+
if(s->picture_structure==PICT_FRAME){
h->curr_pic_num= h->frame_num;
h->max_pic_num= 1<< h->sps.log2_max_frame_num;
h->curr_pic_num= 2*h->frame_num;
h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
}
-
+
if(h->nal_unit_type == NAL_IDR_SLICE){
get_ue_golomb(&s->gb); /* idr_pic_id */
}
-
+
if(h->sps.poc_type==0){
h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
-
+
if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
h->delta_poc_bottom= get_se_golomb(&s->gb);
}
}
-
+
if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
h->delta_poc[0]= get_se_golomb(&s->gb);
-
+
if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
h->delta_poc[1]= get_se_golomb(&s->gb);
}
-
+
init_poc(h);
-
+
if(h->pps.redundant_pic_cnt_present){
h->redundant_pic_count= get_ue_golomb(&s->gb);
}
h->direct_spatial_mv_pred= get_bits1(&s->gb);
}
num_ref_idx_active_override_flag= get_bits1(&s->gb);
-
+
if(num_ref_idx_active_override_flag){
h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
if(h->slice_type==B_TYPE)
if(decode_ref_pic_list_reordering(h) < 0)
return -1;
- if( (h->pps.weighted_pred && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
+ if( (h->pps.weighted_pred && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
|| (h->pps.weighted_bipred_idc==1 && h->slice_type==B_TYPE ) )
pred_weight_table(h);
else if(h->pps.weighted_bipred_idc==2 && h->slice_type==B_TYPE)
implicit_weight_table(h);
else
h->use_weight = 0;
-
+
if(s->current_picture.reference)
decode_ref_pic_marking(h);
h->slice_beta_offset = 0;
if( h->pps.deblocking_filter_parameters_present ) {
h->deblocking_filter= get_ue_golomb(&s->gb);
- if(h->deblocking_filter < 2)
+ if(h->deblocking_filter < 2)
h->deblocking_filter^= 1; // 1<->0
if( h->deblocking_filter ) {
h->slice_num++;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%d frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
+ av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%d frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
h->slice_num,
(s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
- first_mb_in_slice,
+ first_mb_in_slice,
av_get_pict_type_char(h->slice_type),
pps_id, h->frame_num,
s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
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);
* @param max_coeff number of coefficients in the block
* @return <0 if an error occured
*/
-static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint16_t *qmul, int max_coeff){
+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], run[16];
- int suffix_length, zeros_left, coeff_num, coeff_token, total_coeff, i, trailing_ones;
+ 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{
+ }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);
if(total_coeff==0)
return 0;
-
+
trailing_ones= coeff_token&3;
tprintf("trailing:%d, total:%d\n", trailing_ones, total_coeff);
assert(total_coeff<=16);
-
+
for(i=0; i<trailing_ones; i++){
level[i]= 1 - 2*get_bits1(gb);
}
- suffix_length= total_coeff > 10 && trailing_ones < 3;
-
- for(; i<total_coeff; i++){
- const int prefix= get_level_prefix(gb);
+ if(i<total_coeff) {
int level_code, mask;
+ int suffix_length = total_coeff > 10 && trailing_ones < 3;
+ int 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<<suffix_length) + get_bits(gb, suffix_length); //part
return -1;
}
- if(i==trailing_ones && i<3) level_code+= 2; //FIXME split first iteration
+ if(trailing_ones < 3) level_code += 2;
+ suffix_length = 1;
+ if(level_code > 5)
+ suffix_length++;
mask= -(level_code&1);
level[i]= (((2+level_code)>>1) ^ mask) - mask;
-
- if(suffix_length==0) suffix_length=1; //FIXME split first iteration
-
-#if 1
- if(ABS(level[i]) > (3<<(suffix_length-1)) && suffix_length<6) suffix_length++;
-#else
- if((2+level_code)>>1) > (3<<(suffix_length-1)) && suffix_length<6) suffix_length++;
- /* ? == prefix > 2 or sth */
-#endif
- tprintf("level: %d suffix_length:%d\n", level[i], suffix_length);
+ i++;
+
+ //remaining coefficients have suffix_length > 0
+ for(;i<total_coeff;i++) {
+ static const int suffix_limit[7] = {0,5,11,23,47,95,INT_MAX };
+ prefix = get_level_prefix(gb);
+ if(prefix<15){
+ level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
+ }else if(prefix==15){
+ level_code = (prefix<<suffix_length) + get_bits(gb, 12);
+ }else{
+ av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ mask= -(level_code&1);
+ level[i]= (((2+level_code)>>1) ^ mask) - mask;
+ if(level_code > suffix_limit[suffix_length])
+ suffix_length++;
+ }
}
if(total_coeff == max_coeff)
else
zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
}
-
- for(i=0; i<total_coeff-1; i++){
- if(zeros_left <=0)
- break;
- else if(zeros_left < 7){
- run[i]= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
- }else{
- run[i]= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
- }
- zeros_left -= run[i];
- }
-
- 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;
- }
-
- for(; i<total_coeff-1; i++){
- run[i]= 0;
- }
- run[i]= zeros_left;
-
- coeff_num=-1;
+ coeff_num = zeros_left + total_coeff - 1;
+ j = scantable[coeff_num];
if(n > 24){
- for(i=total_coeff-1; i>=0; i--){ //FIXME merge into rundecode?
- int j;
-
- coeff_num += run[i] + 1; //FIXME add 1 earlier ?
+ 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{
- for(i=total_coeff-1; i>=0; i--){ //FIXME merge into rundecode?
- int j;
-
- coeff_num += run[i] + 1; //FIXME add 1 earlier ?
+ 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];
-// printf("%d %d ", block[j], qmul[j]);
+ 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;
}
MpegEncContext * const s = &h->s;
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
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
int mb_type, partition_count, cbp;
int dct8x8_allowed= h->pps.transform_8x8_mode;
- s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
+ s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
tprintf("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
if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
if(s->mb_skip_run==-1)
s->mb_skip_run= get_ue_golomb(&s->gb);
-
+
if (s->mb_skip_run--) {
decode_mb_skip(h);
return 0;
h->mb_field_decoding_flag = get_bits1(&s->gb);
}else
h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
-
+
h->prev_mb_skipped= 0;
-
+
mb_type= get_ue_golomb(&s->gb);
if(h->slice_type == B_TYPE){
if(mb_type < 23){
mb_type |= MB_TYPE_INTERLACED;
h->slice_table[ mb_xy ]= h->slice_num;
-
+
if(IS_INTRA_PCM(mb_type)){
unsigned int x, y;
-
+
// we assume these blocks are very rare so we dont optimize it
align_get_bits(&s->gb);
-
+
// The pixels are stored in the same order as levels in h->mb array.
for(y=0; y<16; y++){
const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
}
}
-
+
// In deblocking, the quantizer is 0
s->current_picture.qscale_table[mb_xy]= 0;
h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 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;
}
-
+
fill_caches(h, mb_type, 0);
//mb_pred
}else{
mode= predicted_mode;
}
-
+
if(di==4)
fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
else
return -1;
}else if(partition_count==4){
int i, j, sub_partition_count[4], list, ref[2][4];
-
+
if(h->slice_type == B_TYPE){
for(i=0; i<4; i++){
h->sub_mb_type[i]= get_ue_golomb(&s->gb);
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]))
+ || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
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 == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
for(i=0; i<4; i++){
h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
}
}
-
+
for(list=0; list<2; list++){
int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
if(ref_count == 0) continue;
}
}
}
-
+
if(dct8x8_allowed)
dct8x8_allowed = get_dct8x8_allowed(h);
-
+
for(list=0; list<2; list++){
const int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
if(ref_count == 0) continue;
for(i=0; i<4; i++){
- if(IS_DIRECT(h->sub_mb_type[i])) continue;
+ 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];
tprintf("final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
- mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
+ mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
- mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
+ mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
}else if(IS_SUB_8X4(sub_mb_type)){
mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
}
}
}
-
+
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 (%d) at %d %d\n", cbp, s->mb_x, s->mb_y);
return -1;
}
-
+
if(IS_INTRA4x4(mb_type))
cbp= golomb_to_intra4x4_cbp[cbp];
else
int i8x8, i4x4, chroma_idx;
int chroma_qp, dquant;
GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
- const uint8_t *scan, *dc_scan;
-
+ const uint8_t *scan, *scan8x8, *dc_scan;
+
// fill_non_zero_count_cache(h);
if(IS_INTERLACED(mb_type)){
scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
dc_scan= luma_dc_zigzag_scan;
}
+ scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
dquant= get_se_golomb(&s->gb);
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= chroma_qp= get_chroma_qp(h->pps.chroma_qp_index_offset, 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[s->qscale], 16) < 0){
+ 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
}
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[s->qscale], 15) < 0 ){
+ 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;
}
}
DCTELEM *buf = &h->mb[64*i8x8];
uint8_t *nnz;
for(i4x4=0; i4x4<4; i4x4++){
- if( decode_residual(h, gb, buf, i4x4+4*i8x8, zigzag_scan8x8_cavlc+16*i4x4,
- h->dequant8_coeff[s->qscale], 16) <0 )
+ 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;
}
- if(s->qscale < 12){
- int i;
- for(i=0; i<64; i++)
- buf[i] = (buf[i] + 2) >> 2;
- }
nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
- nnz[0] |= nnz[1] | nnz[8] | nnz[9];
+ 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[s->qscale], 16) <0 ){
+
+ 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;
}
}
}
}
}
-
+
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, h->dequant4_coeff[chroma_qp], 4) < 0){
+ if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){
return -1;
}
}
for(chroma_idx=0; chroma_idx<2; 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, h->dequant4_coeff[chroma_qp], 15) < 0){
+ if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][chroma_qp], 15) < 0){
return -1;
}
}
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;
}
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];
return 25; /* PCM */
mb_type = 1; /* I16x16 */
- if( get_cabac( &h->cabac, &state[1] ) )
- mb_type += 12; /* cbp_luma != 0 */
-
- if( get_cabac( &h->cabac, &state[2] ) ) {
- if( get_cabac( &h->cabac, &state[2+intra_slice] ) )
- mb_type += 4 * 2; /* cbp_chroma == 2 */
- else
- mb_type += 4 * 1; /* cbp_chroma == 1 */
- }
- if( get_cabac( &h->cabac, &state[3+intra_slice] ) )
- mb_type += 2;
- if( get_cabac( &h->cabac, &state[3+2*intra_slice] ) )
- mb_type += 1;
+ mb_type += 12 * get_cabac( &h->cabac, &state[1] ); /* cbp_luma != 0 */
+ if( get_cabac( &h->cabac, &state[2] ) ) /* cbp_chroma */
+ mb_type += 4 + 4 * get_cabac( &h->cabac, &state[2+intra_slice] );
+ mb_type += 2 * get_cabac( &h->cabac, &state[3+intra_slice] );
+ mb_type += 1 * get_cabac( &h->cabac, &state[3+2*intra_slice] );
return mb_type;
}
if( get_cabac( &h->cabac, &h->cabac_state[14] ) == 0 ) {
/* P-type */
if( get_cabac( &h->cabac, &h->cabac_state[15] ) == 0 ) {
- if( get_cabac( &h->cabac, &h->cabac_state[16] ) == 0 )
- return 0; /* P_L0_D16x16; */
- else
- return 3; /* P_8x8; */
+ /* P_L0_D16x16, P_8x8 */
+ return 3 * get_cabac( &h->cabac, &h->cabac_state[16] );
} else {
- if( get_cabac( &h->cabac, &h->cabac_state[17] ) == 0 )
- return 2; /* P_L0_D8x16; */
- else
- return 1; /* P_L0_D16x8; */
+ /* P_L0_D8x16, P_L0_D16x8 */
+ return 2 - get_cabac( &h->cabac, &h->cabac_state[17] );
}
} else {
return decode_cabac_intra_mb_type(h, 17, 0) + 5;
int ctx = 0;
int bits;
- if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] )
- && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
+ 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_SKIP( s->current_picture.mb_type[mbb_xy] )
- && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
+ if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
ctx++;
if( !get_cabac( &h->cabac, &h->cabac_state[27+ctx] ) )
if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
ctx++;
- if( h->slice_type == P_TYPE || h->slice_type == SP_TYPE)
- return get_cabac( &h->cabac, &h->cabac_state[11+ctx] );
- else /* B-frame */
- return get_cabac( &h->cabac, &h->cabac_state[24+ctx] );
+ if( h->slice_type == B_TYPE )
+ ctx += 13;
+ return get_cabac( &h->cabac, &h->cabac_state[11+ctx] );
}
static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
return pred_mode;
- if( get_cabac( &h->cabac, &h->cabac_state[69] ) )
- mode += 1;
- if( get_cabac( &h->cabac, &h->cabac_state[69] ) )
- mode += 2;
- if( get_cabac( &h->cabac, &h->cabac_state[69] ) )
- mode += 4;
+ 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
};
static int decode_cabac_mb_cbp_luma( H264Context *h) {
- MpegEncContext * const s = &h->s;
-
int cbp = 0;
+ int cbp_b = -1;
int i8x8;
+ if( h->slice_table[h->top_mb_xy] == h->slice_num ) {
+ cbp_b = h->top_cbp;
+ tprintf("cbp_b = top_cbp = %x\n", cbp_b);
+ }
+
for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
int cbp_a = -1;
- int cbp_b = -1;
int x, y;
int ctx = 0;
if( x > 0 )
cbp_a = cbp;
- else if( s->mb_x > 0 && (h->slice_table[h->left_mb_xy[0]] == h->slice_num)) {
+ else if( h->slice_table[h->left_mb_xy[0]] == h->slice_num ) {
cbp_a = h->left_cbp;
tprintf("cbp_a = left_cbp = %x\n", cbp_a);
}
if( y > 0 )
cbp_b = cbp;
- else if( s->mb_y > 0 && (h->slice_table[h->top_mb_xy] == h->slice_num)) {
- cbp_b = h->top_cbp;
- tprintf("cbp_b = top_cbp = %x\n", cbp_b);
- }
/* No need to test for skip as we put 0 for skip block */
/* No need to test for IPCM as we put 1 for IPCM block */
else
ctx = 3;
val++;
- if(val > 52) //prevent infinite loop
+ if(val > 102) //prevent infinite loop
return INT_MIN;
}
return ctx + 4 * cat;
}
-static int inline decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint16_t *qmul, int max_coeff) {
+static int decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) {
const int mb_xy = h->s.mb_x + h->s.mb_y*h->s.mb_stride;
static const int significant_coeff_flag_field_offset[2] = { 105, 277 };
static const int last_significant_coeff_flag_field_offset[2] = { 166, 338 };
static const int significant_coeff_flag_offset[6] = { 0, 15, 29, 44, 47, 297 };
static const int last_significant_coeff_flag_offset[6] = { 0, 15, 29, 44, 47, 251 };
static const int coeff_abs_level_m1_offset[6] = { 227+0, 227+10, 227+20, 227+30, 227+39, 426 };
- static const int identity[15] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
- };
static const int significant_coeff_flag_offset_8x8[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,
int abslevel1 = 1;
int abslevelgt1 = 0;
- const int* significant_coeff_ctx_offset;
- const int* last_coeff_ctx_offset;
- const int significant_coeff_ctx_base = significant_coeff_flag_offset[cat]
- + significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
- const int last_coeff_ctx_base = last_significant_coeff_flag_offset[cat]
- + last_significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
+ uint8_t *significant_coeff_ctx_base;
+ uint8_t *last_coeff_ctx_base;
+ uint8_t *abs_level_m1_ctx_base;
/* cat: 0-> DC 16x16 n = 0
* 1-> AC 16x16 n = luma4x4idx
*/
/* read coded block flag */
- if( cat == 5 ) {
- significant_coeff_ctx_offset = significant_coeff_flag_offset_8x8;
- last_coeff_ctx_offset = last_coeff_flag_offset_8x8;
- } else {
+ if( cat != 5 ) {
if( get_cabac( &h->cabac, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
if( cat == 1 || cat == 2 )
h->non_zero_count_cache[scan8[n]] = 0;
return 0;
}
-
- significant_coeff_ctx_offset =
- last_coeff_ctx_offset = identity;
}
- for(last= 0; last < max_coeff - 1; last++) {
- int sig_ctx = significant_coeff_ctx_base + significant_coeff_ctx_offset[last];
- if( get_cabac( &h->cabac, &h->cabac_state[sig_ctx] )) {
- int last_ctx = last_coeff_ctx_base + last_coeff_ctx_offset[last];
- index[coeff_count++] = last;
- if( get_cabac( &h->cabac, &h->cabac_state[last_ctx] ) ) {
- last= max_coeff;
- break;
- }
- }
+ significant_coeff_ctx_base = h->cabac_state
+ + significant_coeff_flag_offset[cat]
+ + significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
+ last_coeff_ctx_base = h->cabac_state
+ + last_significant_coeff_flag_offset[cat]
+ + last_significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
+ abs_level_m1_ctx_base = h->cabac_state
+ + coeff_abs_level_m1_offset[cat];
+
+ if( 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( &h->cabac, sig_ctx )) { \
+ uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
+ index[coeff_count++] = last; \
+ if( get_cabac( &h->cabac, last_ctx ) ) { \
+ last= max_coeff; \
+ break; \
+ } \
+ } \
+ }
+ DECODE_SIGNIFICANCE( 63, significant_coeff_flag_offset_8x8[last],
+ last_coeff_flag_offset_8x8[last] );
+ } else {
+ DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
}
if( last == max_coeff -1 ) {
index[coeff_count++] = last;
h->non_zero_count_cache[scan8[16+n]] = coeff_count;
else {
assert( cat == 5 );
- fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 1, 1);
+ fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
}
for( i = coeff_count - 1; i >= 0; i-- ) {
- int ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + coeff_abs_level_m1_offset[cat];
+ uint8_t *ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + abs_level_m1_ctx_base;
int j= scantable[index[i]];
- if( get_cabac( &h->cabac, &h->cabac_state[ctx] ) == 0 ) {
- if( cat == 0 || cat == 3 ) {
+ if( get_cabac( &h->cabac, ctx ) == 0 ) {
+ if( !qmul ) {
if( get_cabac_bypass( &h->cabac ) ) block[j] = -1;
else block[j] = 1;
}else{
- if( get_cabac_bypass( &h->cabac ) ) block[j] = -qmul[j];
- else block[j] = qmul[j];
+ if( get_cabac_bypass( &h->cabac ) ) block[j] = (-qmul[j] + 32) >> 6;
+ else block[j] = ( qmul[j] + 32) >> 6;
}
-
+
abslevel1++;
} else {
int coeff_abs = 2;
- ctx = 5 + FFMIN( 4, abslevelgt1 ) + coeff_abs_level_m1_offset[cat];
- while( coeff_abs < 15 && get_cabac( &h->cabac, &h->cabac_state[ctx] ) ) {
+ ctx = 5 + FFMIN( 4, abslevelgt1 ) + abs_level_m1_ctx_base;
+ while( coeff_abs < 15 && get_cabac( &h->cabac, ctx ) ) {
coeff_abs++;
}
coeff_abs += 1 << j;
j++;
}
-
+
while( j-- ) {
if( get_cabac_bypass( &h->cabac ) )
coeff_abs += 1 << j ;
}
}
- if( cat == 0 || cat == 3 ) {
+ if( !qmul ) {
if( get_cabac_bypass( &h->cabac ) ) block[j] = -coeff_abs;
else block[j] = coeff_abs;
}else{
- if( get_cabac_bypass( &h->cabac ) ) block[j] = -coeff_abs * qmul[j];
- else block[j] = coeff_abs * qmul[j];
+ if( get_cabac_bypass( &h->cabac ) ) block[j] = (-coeff_abs * qmul[j] + 32) >> 6;
+ else block[j] = ( coeff_abs * qmul[j] + 32) >> 6;
}
-
+
abslevelgt1++;
}
}
return 0;
}
-void inline compute_mb_neighboors(H264Context *h)
+static void inline compute_mb_neighbors(H264Context *h)
{
MpegEncContext * const s = &h->s;
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
h->prev_mb_skipped = 0;
- compute_mb_neighboors(h);
+ compute_mb_neighbors(h);
if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
return -1;
if(IS_INTRA_PCM(mb_type)) {
const uint8_t *ptr;
unsigned int x, y;
-
+
// We assume these blocks are very rare so we dont 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).
s->current_picture.mb_type[mb_xy]= mb_type;
if( cbp || IS_INTRA16x16( mb_type ) ) {
- const uint8_t *scan, *dc_scan;
+ const uint8_t *scan, *scan8x8, *dc_scan;
int dqp;
if(IS_INTERLACED(mb_type)){
scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
dc_scan= luma_dc_zigzag_scan;
}
+ scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
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;
if( IS_INTRA16x16( mb_type ) ) {
int i;
//av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
- if( decode_cabac_residual( h, h->mb, 0, 0, dc_scan, h->dequant4_coeff[s->qscale], 16) < 0)
+ if( decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16) < 0)
return -1;
if( cbp&15 ) {
for( i = 0; i < 16; i++ ) {
//av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
- if( decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, h->dequant4_coeff[s->qscale], 15) < 0 )
+ if( decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 )
return -1;
}
} else {
if( cbp & (1<<i8x8) ) {
if( IS_8x8DCT(mb_type) ) {
if( decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
- zigzag_scan8x8, h->dequant8_coeff[s->qscale], 64) < 0 )
+ scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64) < 0 )
return -1;
- if(s->qscale < 12){
- int i;
- for(i=0; i<64; i++)
- h->mb[64*i8x8+i] = (h->mb[64*i8x8+i] + 2) >> 2;
- }
} else
for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
const int index = 4*i8x8 + i4x4;
//av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
- if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, h->dequant4_coeff[s->qscale], 16) < 0 )
+ if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) < 0 )
return -1;
}
} else {
int c;
for( c = 0; c < 2; c++ ) {
//av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
- if( decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, h->dequant4_coeff[h->chroma_qp], 4) < 0)
+ if( decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4) < 0)
return -1;
}
}
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 );
- if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, h->dequant4_coeff[h->chroma_qp], 15) < 0)
+ if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp], 15) < 0)
return -1;
}
}
int index_a;
int alpha;
int beta;
-
+
int qp_index;
int bS_index = (i >> 1);
if (h->mb_field_decoding_flag) {
* frame numbers, not indices. */
static const int ref2frm[18] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
+ //for sufficiently low qp, filtering wouldn't do anything
+ //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
+ if(!h->mb_aff_frame){
+ int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, h->pps.chroma_qp_index_offset);
+ int qp = s->current_picture.qscale_table[mb_xy];
+ if(qp <= qp_thresh
+ && (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
+ && (mb_y == 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
+ return;
+ }
+ }
+
if (h->mb_aff_frame
// left mb is in picture
&& h->slice_table[mb_xy-1] != 255
{
int edge;
const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
+ const int mb_type = s->current_picture.mb_type[mb_xy];
+ const int mbm_type = s->current_picture.mb_type[mbm_xy];
int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
+ const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
+ == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
+ // how often to recheck mv-based bS when iterating between edges
+ const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :
+ (mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;
+ // how often to recheck mv-based bS when iterating along each edge
+ const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
+
if (first_vertical_edge_done) {
start = 1;
first_vertical_edge_done = 0;
start = 1;
/* Calculate bS */
- for( edge = start; edge < 4; edge++ ) {
+ for( edge = start; edge < edges; edge++ ) {
/* mbn_xy: neighbor macroblock */
- int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
+ const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
+ const int mbn_type = s->current_picture.mb_type[mbn_xy];
int bS[4];
int qp;
- if( (edge&1) && IS_8x8DCT(s->current_picture.mb_type[mb_xy]) )
+ if( (edge&1) && IS_8x8DCT(mb_type) )
continue;
if (h->mb_aff_frame && (dir == 1) && (edge == 0) && ((mb_y & 1) == 0)
- && !IS_INTERLACED(s->current_picture.mb_type[mb_xy])
- && IS_INTERLACED(s->current_picture.mb_type[mbn_xy])
+ && !IS_INTERLACED(mb_type)
+ && IS_INTERLACED(mbn_type)
) {
// This is a special case in the norm where the filtering must
// be done twice (one each of the field) even if we are in a
int qp, chroma_qp;
// first filtering
- if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
- IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
+ if( IS_INTRA(mb_type) ||
+ IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {
bS[0] = bS[1] = bS[2] = bS[3] = 3;
} else {
// TODO
// second filtering
mbn_xy += s->mb_stride;
- if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
- IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
+ if( IS_INTRA(mb_type) ||
+ IS_INTRA(mbn_type) ) {
bS[0] = bS[1] = bS[2] = bS[3] = 3;
} else {
// TODO
filter_mb_edgech( h, &img_cr[uvlinesize], tmp_uvlinesize, bS, chroma_qp );
continue;
}
- if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
- IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
+ if( IS_INTRA(mb_type) ||
+ IS_INTRA(mbn_type) ) {
int value;
if (edge == 0) {
- if ( (!IS_INTERLACED(s->current_picture.mb_type[mb_xy]) && !IS_INTERLACED(s->current_picture.mb_type[mbm_xy]))
+ if ( (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))
|| ((h->mb_aff_frame || (s->picture_structure != PICT_FRAME)) && (dir == 0))
) {
value = 4;
}
bS[0] = bS[1] = bS[2] = bS[3] = value;
} else {
- int i;
+ int i, l;
+ int mv_done;
+
+ if( edge & mask_edge ) {
+ bS[0] = bS[1] = bS[2] = bS[3] = 0;
+ mv_done = 1;
+ }
+ else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
+ int b_idx= 8 + 4 + edge * (dir ? 8:1);
+ int bn_idx= b_idx - (dir ? 8:1);
+ int v = 0;
+ for( l = 0; !v && l < 1 + (h->slice_type == B_TYPE); l++ ) {
+ v |= ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
+ ABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
+ ABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= 4;
+ }
+ bS[0] = bS[1] = bS[2] = bS[3] = v;
+ mv_done = 1;
+ }
+ else
+ mv_done = 0;
+
for( i = 0; i < 4; i++ ) {
int x = dir == 0 ? edge : i;
int y = dir == 0 ? i : edge;
h->non_zero_count_cache[bn_idx] != 0 ) {
bS[i] = 2;
}
- else
+ else if(!mv_done)
{
- int l;
bS[i] = 0;
for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
for(;s->mb_y < s->mb_height; s->mb_y++){
for(;s->mb_x < s->mb_width; s->mb_x++){
int ret= decode_mb(h);
-
+
hl_decode_mb(h);
if(ret<0){
- fprintf(stderr, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
return -1;
}
-
+
if(++s->mb_x >= s->mb_width){
s->mb_x=0;
if(++s->mb_y >= s->mb_height){
}
}
}
-
+
if(get_bits_count(s->?gb) >= s->gb?.size_in_bits){
if(get_bits_count(s->gb) == s->gb.size_in_bits){
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
MpegEncContext * const s = &h->s;
uint8_t user_data[16+256];
int e, build, i;
-
+
if(size<16)
return -1;
-
+
for(i=0; i<sizeof(user_data)-1 && i<size; i++){
user_data[i]= get_bits(&s->gb, 8);
}
-
+
user_data[i]= 0;
e= sscanf(user_data+16, "x264 - core %d"/*%s - H.264/MPEG-4 AVC codec - Copyleft 2005 - http://www.videolan.org/x264.html*/, &build);
if(e==1 && build>=0)
h->x264_build= build;
-
+
if(s->avctx->debug & FF_DEBUG_BUGS)
av_log(s->avctx, AV_LOG_DEBUG, "user data:\"%s\"\n", user_data+16);
for(; i<size; i++)
skip_bits(&s->gb, 8);
-
+
return 0;
}
static int decode_sei(H264Context *h){
MpegEncContext * const s = &h->s;
-
+
while(get_bits_count(&s->gb) + 16 < s->gb.size_in_bits){
int size, type;
-
+
type=0;
do{
type+= show_bits(&s->gb, 8);
}while(get_bits(&s->gb, 8) == 255);
-
+
size=0;
do{
size+= show_bits(&s->gb, 8);
}while(get_bits(&s->gb, 8) == 255);
-
+
switch(type){
case 5:
if(decode_unregistered_user_data(h, size) < 0);
default:
skip_bits(&s->gb, 8*size);
}
-
+
//FIXME check bits here
align_get_bits(&s->gb);
}
int nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
aspect_ratio_info_present_flag= get_bits1(&s->gb);
-
+
if( aspect_ratio_info_present_flag ) {
aspect_ratio_idc= get_bits(&s->gb, 8);
if( aspect_ratio_idc == EXTENDED_SAR ) {
return -1;
}
}else{
- sps->sar.num=
+ sps->sar.num=
sps->sar.den= 0;
}
// s->avctx->aspect_ratio= sar_width*s->width / (float)(s->height*sar_height);
return 0;
}
+static void decode_scaling_list(H264Context *h, uint8_t *factors, int size,
+ const uint8_t *jvt_list, const uint8_t *fallback_list){
+ MpegEncContext * const s = &h->s;
+ int i, last = 8, next = 8;
+ const uint8_t *scan = size == 16 ? zigzag_scan : zigzag_scan8x8;
+ if(!get_bits1(&s->gb)) /* matrix not written, we use the predicted one */
+ memcpy(factors, fallback_list, size*sizeof(uint8_t));
+ else
+ for(i=0;i<size;i++){
+ if(next)
+ next = (last + get_se_golomb(&s->gb)) & 0xff;
+ if(!i && !next){ /* matrix not written, we use the preset one */
+ memcpy(factors, jvt_list, size*sizeof(uint8_t));
+ break;
+ }
+ last = factors[scan[i]] = next ? next : last;
+ }
+}
+
+static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_sps,
+ uint8_t (*scaling_matrix4)[16], uint8_t (*scaling_matrix8)[64]){
+ MpegEncContext * const s = &h->s;
+ int fallback_sps = !is_sps && sps->scaling_matrix_present;
+ const uint8_t *fallback[4] = {
+ fallback_sps ? sps->scaling_matrix4[0] : default_scaling4[0],
+ fallback_sps ? sps->scaling_matrix4[3] : default_scaling4[1],
+ fallback_sps ? sps->scaling_matrix8[0] : default_scaling8[0],
+ fallback_sps ? sps->scaling_matrix8[1] : default_scaling8[1]
+ };
+ if(get_bits1(&s->gb)){
+ sps->scaling_matrix_present |= is_sps;
+ decode_scaling_list(h,scaling_matrix4[0],16,default_scaling4[0],fallback[0]); // Intra, Y
+ decode_scaling_list(h,scaling_matrix4[1],16,default_scaling4[0],scaling_matrix4[0]); // Intra, Cr
+ decode_scaling_list(h,scaling_matrix4[2],16,default_scaling4[0],scaling_matrix4[1]); // Intra, Cb
+ decode_scaling_list(h,scaling_matrix4[3],16,default_scaling4[1],fallback[1]); // Inter, Y
+ decode_scaling_list(h,scaling_matrix4[4],16,default_scaling4[1],scaling_matrix4[3]); // Inter, Cr
+ decode_scaling_list(h,scaling_matrix4[5],16,default_scaling4[1],scaling_matrix4[4]); // Inter, Cb
+ if(is_sps || pps->transform_8x8_mode){
+ decode_scaling_list(h,scaling_matrix8[0],64,default_scaling8[0],fallback[2]); // Intra, Y
+ decode_scaling_list(h,scaling_matrix8[1],64,default_scaling8[1],fallback[3]); // Inter, Y
+ }
+ } else if(fallback_sps) {
+ memcpy(scaling_matrix4, sps->scaling_matrix4, 6*16*sizeof(uint8_t));
+ memcpy(scaling_matrix8, sps->scaling_matrix8, 2*64*sizeof(uint8_t));
+ }
+}
+
static inline int decode_seq_parameter_set(H264Context *h){
MpegEncContext * const s = &h->s;
int profile_idc, level_idc;
int sps_id, i;
SPS *sps;
-
+
profile_idc= get_bits(&s->gb, 8);
get_bits1(&s->gb); //constraint_set0_flag
get_bits1(&s->gb); //constraint_set1_flag
get_bits(&s->gb, 4); // reserved
level_idc= get_bits(&s->gb, 8);
sps_id= get_ue_golomb(&s->gb);
-
+
sps= &h->sps_buffer[ sps_id ];
sps->profile_idc= profile_idc;
sps->level_idc= level_idc;
get_ue_golomb(&s->gb); //bit_depth_luma_minus8
get_ue_golomb(&s->gb); //bit_depth_chroma_minus8
sps->transform_bypass = get_bits1(&s->gb);
- if(get_bits1(&s->gb)){ //seq_scaling_matrix_present_flag
- av_log(h->s.avctx, AV_LOG_ERROR, "custom scaling matrix not implemented\n");
- return -1;
- }
- }
+ decode_scaling_matrices(h, sps, NULL, 1, sps->scaling_matrix4, sps->scaling_matrix8);
+ }else
+ sps->scaling_matrix_present = 0;
sps->log2_max_frame_num= get_ue_golomb(&s->gb) + 4;
sps->poc_type= get_ue_golomb(&s->gb);
-
+
if(sps->poc_type == 0){ //FIXME #define
sps->log2_max_poc_lsb= get_ue_golomb(&s->gb) + 4;
} else if(sps->poc_type == 1){//FIXME #define
sps->offset_for_non_ref_pic= get_se_golomb(&s->gb);
sps->offset_for_top_to_bottom_field= get_se_golomb(&s->gb);
sps->poc_cycle_length= get_ue_golomb(&s->gb);
-
+
for(i=0; i<sps->poc_cycle_length; i++)
sps->offset_for_ref_frame[i]= get_se_golomb(&s->gb);
}
sps->gaps_in_frame_num_allowed_flag= get_bits1(&s->gb);
sps->mb_width= get_ue_golomb(&s->gb) + 1;
sps->mb_height= get_ue_golomb(&s->gb) + 1;
- if((unsigned)sps->mb_width >= INT_MAX/16 || (unsigned)sps->mb_height >= INT_MAX/16 ||
+ if((unsigned)sps->mb_width >= INT_MAX/16 || (unsigned)sps->mb_height >= INT_MAX/16 ||
avcodec_check_dimensions(NULL, 16*sps->mb_width, 16*sps->mb_height))
return -1;
av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
}
}else{
- sps->crop_left =
- sps->crop_right =
- sps->crop_top =
+ sps->crop_left =
+ sps->crop_right =
+ sps->crop_top =
sps->crop_bottom= 0;
}
sps->vui_parameters_present_flag= get_bits1(&s->gb);
if( sps->vui_parameters_present_flag )
decode_vui_parameters(h, sps);
-
+
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%d profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
+ av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%d profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
sps_id, sps->profile_idc, sps->level_idc,
sps->poc_type,
sps->ref_frame_count,
sps->mb_width, sps->mb_height,
sps->frame_mbs_only_flag ? "FRM" : (sps->mb_aff ? "MB-AFF" : "PIC-AFF"),
sps->direct_8x8_inference_flag ? "8B8" : "",
- sps->crop_left, sps->crop_right,
- sps->crop_top, sps->crop_bottom,
+ sps->crop_left, sps->crop_right,
+ sps->crop_top, sps->crop_bottom,
sps->vui_parameters_present_flag ? "VUI" : ""
);
}
MpegEncContext * const s = &h->s;
int pps_id= get_ue_golomb(&s->gb);
PPS *pps= &h->pps_buffer[pps_id];
-
+
pps->sps_id= get_ue_golomb(&s->gb);
pps->cabac= get_bits1(&s->gb);
pps->pic_order_present= get_bits1(&s->gb);
av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow (pps)\n");
return -1;
}
-
+
pps->weighted_pred= get_bits1(&s->gb);
pps->weighted_bipred_idc= get_bits(&s->gb, 2);
pps->init_qp= get_se_golomb(&s->gb) + 26;
pps->constrained_intra_pred= get_bits1(&s->gb);
pps->redundant_pic_cnt_present = get_bits1(&s->gb);
+ memset(pps->scaling_matrix4, 16, 6*16*sizeof(uint8_t));
+ memset(pps->scaling_matrix8, 16, 2*64*sizeof(uint8_t));
+
if(get_bits_count(&s->gb) < bit_length){
pps->transform_8x8_mode= get_bits1(&s->gb);
- if(get_bits1(&s->gb)){ //pic_scaling_matrix_present_flag
- av_log(h->s.avctx, AV_LOG_ERROR, "custom scaling matrix not implemented\n");
- return -1;
- }
+ decode_scaling_matrices(h, &h->sps_buffer[pps->sps_id], pps, 0, pps->scaling_matrix4, pps->scaling_matrix8);
get_se_golomb(&s->gb); //second_chroma_qp_index_offset
}
-
+
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%d sps:%d %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
+ av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%d sps:%d %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
pps_id, pps->sps_id,
pps->cabac ? "CABAC" : "CAVLC",
pps->slice_group_count,
pps->transform_8x8_mode ? "8x8DCT" : ""
);
}
-
+
return 0;
}
// first_mb_in_slice is 0, probably the first nal of a new
// slice
tprintf("find_frame_end frame_end_found, state = %08x, pos = %d\n", state, i);
- pc->state=-1;
+ pc->state=-1;
pc->frame_start_found= 0;
return i-4;
}
}
if((state&0xFFFFFF1F) == 0x107 || (state&0xFFFFFF1F) == 0x108 || (state&0xFFFFFF1F) == 0x109){
if(pc->frame_start_found){
- pc->state=-1;
+ pc->state=-1;
pc->frame_start_found= 0;
- return i-4;
+ return i-4;
}
}
if (i<buf_size)
state= (state<<8) | buf[i];
}
-
+
pc->state= state;
return END_NOT_FOUND;
}
static int h264_parse(AVCodecParserContext *s,
AVCodecContext *avctx,
- uint8_t **poutbuf, int *poutbuf_size,
+ uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size)
{
H264Context *h = s->priv_data;
ParseContext *pc = &h->s.parse_context;
int next;
-
+
next= find_frame_end(h, buf, buf_size);
if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) {
int bit_length;
uint8_t *ptr;
int i, nalsize = 0;
-
+
if(h->is_avc) {
if(buf_index >= buf_size) break;
nalsize = 0;
for(i = 0; i < h->nal_length_size; i++)
nalsize = (nalsize << 8) | buf[buf_index++];
+ if(nalsize <= 1){
+ if(nalsize == 1){
+ buf_index++;
+ continue;
+ }else{
+ av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
+ break;
+ }
+ }
} else {
// start code prefix search
for(; buf_index + 3 < buf_size; buf_index++){
if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
break;
}
-
+
if(buf_index+3 >= buf_size) break;
-
+
buf_index+=3;
- }
-
+ }
+
ptr= decode_nal(h, buf + buf_index, &dst_length, &consumed, h->is_avc ? nalsize : buf_size - buf_index);
if(ptr[dst_length - 1] == 0) dst_length--;
bit_length= 8*dst_length - decode_rbsp_trailing(ptr + dst_length - 1);
if(s->avctx->debug&FF_DEBUG_STARTCODE){
av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", h->nal_unit_type, buf_index, buf_size, dst_length);
}
-
+
if (h->is_avc && (nalsize != consumed))
av_log(h->s.avctx, AV_LOG_ERROR, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
if( (s->hurry_up == 1 && h->nal_ref_idc == 0) //FIXME dont discard SEI id
||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
continue;
-
+
switch(h->nal_unit_type){
case NAL_IDR_SLICE:
idr(h); //FIXME ensure we don't loose some frames if there is reordering
h->intra_gb_ptr=
h->inter_gb_ptr= &s->gb;
s->data_partitioning = 0;
-
+
if(decode_slice_header(h) < 0){
av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
break;
}
- if(h->redundant_pic_count==0 && s->hurry_up < 5
+ s->current_picture_ptr->key_frame= (h->nal_unit_type == NAL_IDR_SLICE);
+ if(h->redundant_pic_count==0 && s->hurry_up < 5
&& (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
&& (avctx->skip_frame < AVDISCARD_BIDIR || h->slice_type!=B_TYPE)
&& (avctx->skip_frame < AVDISCARD_NONKEY || h->slice_type==I_TYPE)
h->intra_gb_ptr=
h->inter_gb_ptr= NULL;
s->data_partitioning = 1;
-
+
if(decode_slice_header(h) < 0){
av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
}
init_get_bits(&h->inter_gb, ptr, bit_length);
h->inter_gb_ptr= &h->inter_gb;
- if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning
+ if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning
&& s->hurry_up < 5
&& (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
&& (avctx->skip_frame < AVDISCARD_BIDIR || h->slice_type!=B_TYPE)
case NAL_SPS:
init_get_bits(&s->gb, ptr, bit_length);
decode_seq_parameter_set(h);
-
+
if(s->flags& CODEC_FLAG_LOW_DELAY)
s->low_delay=1;
-
+
if(avctx->has_b_frames < 2)
avctx->has_b_frames= !s->low_delay;
break;
case NAL_PPS:
init_get_bits(&s->gb, ptr, bit_length);
-
+
decode_picture_parameter_set(h, bit_length);
break;
- case NAL_PICTURE_DELIMITER:
- break;
- case NAL_FILTER_DATA:
+ case NAL_AUD:
+ case NAL_END_SEQUENCE:
+ case NAL_END_STREAM:
+ case NAL_FILLER_DATA:
+ case NAL_SPS_EXT:
+ case NAL_AUXILIARY_SLICE:
break;
- default:
- av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
- }
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
+ }
}
-
+
if(!s->current_picture_ptr) return buf_index; //no frame
+ s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
s->current_picture_ptr->pict_type= s->pict_type;
- s->current_picture_ptr->key_frame= s->pict_type == I_TYPE && h->nal_unit_type == NAL_IDR_SLICE;
-
+
h->prev_frame_num_offset= h->frame_num_offset;
h->prev_frame_num= h->frame_num;
if(s->current_picture_ptr->reference){
if(s->flags&CODEC_FLAG_TRUNCATED){
pos -= s->parse_context.last_index;
if(pos<0) pos=0; // FIXME remove (unneeded?)
-
+
return pos;
}else{
if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...)
}
}
-static int decode_frame(AVCodecContext *avctx,
+static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
H264Context *h = avctx->priv_data;
MpegEncContext *s = &h->s;
- AVFrame *pict = data;
+ AVFrame *pict = data;
int buf_index;
-
+
s->flags= avctx->flags;
s->flags2= avctx->flags2;
if (buf_size == 0) {
return 0;
}
-
+
if(s->flags&CODEC_FLAG_TRUNCATED){
int next= find_frame_end(h, buf, buf_size);
-
+
if( ff_combine_frame(&s->parse_context, next, &buf, &buf_size) < 0 )
return buf_size;
//printf("next:%d buf_size:%d last_index:%d\n", next, buf_size, s->parse_context.last_index);
return -1;
}
p += nalsize;
- }
+ }
// Decode pps from avcC
cnt = *(p++); // Number of pps
for (i = 0; i < cnt; i++) {
return -1;
}
p += nalsize;
- }
+ }
// Now store right nal length size, that will be use to parse all other nals
h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
// Do not reparse avcC
}
if(!h->is_avc && s->avctx->extradata_size && s->picture_number==0){
- if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
+ if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
return -1;
}
buf_index=decode_nal_units(h, buf, buf_size);
- if(buf_index < 0)
+ if(buf_index < 0)
return -1;
- //FIXME do something with unavailable reference frames
-
+ //FIXME do something with unavailable reference frames
+
// if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_index, buf_size);
if(!s->current_picture_ptr){
av_log(h->s.avctx, AV_LOG_DEBUG, "error, NO frame\n");
}
out_of_order = !cross_idr && prev && out->poc < prev->poc;
- if(prev && pics <= s->avctx->has_b_frames)
+ if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
+ { }
+ else if(prev && pics <= s->avctx->has_b_frames)
out = prev;
- else if((out_of_order && pics-1 == s->avctx->has_b_frames)
- || (s->low_delay &&
+ else if((out_of_order && pics-1 == s->avctx->has_b_frames && pics < 15)
+ || (s->low_delay &&
((!cross_idr && prev && out->poc > prev->poc + 2)
|| cur->pict_type == B_TYPE)))
{
h->delayed_output_pic = out;
#endif
- *pict= *(AVFrame*)out;
+ if(out)
+ *pict= *(AVFrame*)out;
+ else
+ av_log(avctx, AV_LOG_DEBUG, "no picture\n");
}
- assert(pict->data[0]);
+ assert(pict->data[0] || !*data_size);
ff_print_debug_info(s, pict);
//printf("out %d\n", (int)pict->data[0]);
#if 0 //?
// int int_temp[10000];
DSPContext dsp;
AVCodecContext avctx;
-
+
dsputil_init(&dsp, &avctx);
init_put_bits(&pb, temp, SIZE);
STOP_TIMER("set_ue_golomb");
}
flush_put_bits(&pb);
-
+
init_get_bits(&gb, temp, 8*SIZE);
for(i=0; i<COUNT; i++){
int j, s;
-
+
s= show_bits(&gb, 24);
-
+
START_TIMER
j= get_ue_golomb(&gb);
if(j != i){
}
STOP_TIMER("get_ue_golomb");
}
-
-
+
+
init_put_bits(&pb, temp, SIZE);
printf("testing signed exp golomb\n");
for(i=0; i<COUNT; i++){
STOP_TIMER("set_se_golomb");
}
flush_put_bits(&pb);
-
+
init_get_bits(&gb, temp, 8*SIZE);
for(i=0; i<COUNT; i++){
int j, s;
-
+
s= show_bits(&gb, 24);
-
+
START_TIMER
j= get_se_golomb(&gb);
if(j != i - COUNT/2){
}
printf("testing 4x4 (I)DCT\n");
-
+
DCTELEM block[16];
uint8_t src[16], ref[16];
uint64_t error= 0, max_error=0;
}
h264_diff_dct_c(block, src, ref, 4);
-
+
//normalize
for(j=0; j<16; j++){
// printf("%d ", block[j]);
if(j&4) block[j]= (block[j]*4 + 2)/5;
}
// printf("\n");
-
+
s->dsp.h264_idct_add(ref, block, 4);
/* for(j=0; j<16; j++){
printf("%d ", ref[j]);
}
printf("\n");*/
-
+
for(j=0; j<16; j++){
int diff= ABS(src[j] - ref[j]);
-
+
error+= diff*diff;
max_error= FFMAX(max_error, diff);
}
for(qp=0; qp<52; qp++){
for(i=0; i<16; i++)
src1_block[i]= src2_block[i]= random()%255;
-
+
}
#endif
printf("Testing NAL layer\n");
-
+
uint8_t bitstream[COUNT];
uint8_t nal[COUNT*2];
H264Context h;
memset(&h, 0, sizeof(H264Context));
-
+
for(i=0; i<COUNT; i++){
int zeros= i;
int nal_length;
int out_length;
uint8_t *out;
int j;
-
+
for(j=0; j<COUNT; j++){
bitstream[j]= (random() % 255) + 1;
}
-
+
for(j=0; j<zeros; j++){
int pos= random() % COUNT;
while(bitstream[pos] == 0){
}
bitstream[pos]=0;
}
-
+
START_TIMER
-
+
nal_length= encode_nal(&h, nal, bitstream, COUNT, COUNT*2);
if(nal_length<0){
printf("encoding failed\n");
return -1;
}
-
+
out= decode_nal(&h, nal, &out_length, &consumed, nal_length);
STOP_TIMER("NAL")
-
+
if(out_length != COUNT){
printf("incorrect length %d %d\n", out_length, COUNT);
return -1;
}
-
+
if(consumed != nal_length){
printf("incorrect consumed length %d %d\n", nal_length, consumed);
return -1;
}
-
+
if(memcmp(bitstream, out, COUNT)){
printf("missmatch\n");
return -1;
}
}
-
+
printf("Testing RBSP\n");
-
-
+
+
return 0;
}
#endif
{
H264Context *h = avctx->priv_data;
MpegEncContext *s = &h->s;
-
+
+ av_freep(&h->rbsp_buffer);
free_tables(h); //FIXME cleanup init stuff perhaps
MPV_common_end(s);
// memset(h, 0, sizeof(H264Context));
-
+
return 0;
}
projects / ffmpeg / blobdiff