* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
/**
* @author Michael Niedermayer <michaelni@gmx.at>
*/
-#include "common.h"
#include "dsputil.h"
#include "avcodec.h"
#include "mpegvideo.h"
+#include "h264.h"
#include "h264data.h"
+#include "h264_parser.h"
#include "golomb.h"
#include "cabac.h"
//#undef NDEBUG
#include <assert.h>
-#define interlaced_dct interlaced_dct_is_a_bad_name
-#define mb_intra mb_intra_isnt_initalized_see_mb_type
-
-#define LUMA_DC_BLOCK_INDEX 25
-#define CHROMA_DC_BLOCK_INDEX 26
-
-#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
-#define COEFF_TOKEN_VLC_BITS 8
-#define TOTAL_ZEROS_VLC_BITS 9
-#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
-#define RUN_VLC_BITS 3
-#define RUN7_VLC_BITS 6
-
-#define MAX_SPS_COUNT 32
-#define MAX_PPS_COUNT 256
-
-#define MAX_MMCO_COUNT 66
-
-/* Compiling in interlaced support reduces the speed
- * of progressive decoding by about 2%. */
-#define ALLOW_INTERLACE
-
-#ifdef ALLOW_INTERLACE
-#define MB_MBAFF h->mb_mbaff
-#define MB_FIELD h->mb_field_decoding_flag
-#define FRAME_MBAFF h->mb_aff_frame
-#else
-#define MB_MBAFF 0
-#define MB_FIELD 0
-#define FRAME_MBAFF 0
-#undef IS_INTERLACED
-#define IS_INTERLACED(mb_type) 0
-#endif
-
-/**
- * Sequence parameter set
- */
-typedef struct SPS{
-
- int profile_idc;
- int level_idc;
- int transform_bypass; ///< qpprime_y_zero_transform_bypass_flag
- int log2_max_frame_num; ///< log2_max_frame_num_minus4 + 4
- int poc_type; ///< pic_order_cnt_type
- int log2_max_poc_lsb; ///< log2_max_pic_order_cnt_lsb_minus4
- int delta_pic_order_always_zero_flag;
- int offset_for_non_ref_pic;
- int offset_for_top_to_bottom_field;
- int poc_cycle_length; ///< num_ref_frames_in_pic_order_cnt_cycle
- int ref_frame_count; ///< num_ref_frames
- int gaps_in_frame_num_allowed_flag;
- int mb_width; ///< frame_width_in_mbs_minus1 + 1
- int mb_height; ///< frame_height_in_mbs_minus1 + 1
- int frame_mbs_only_flag;
- int mb_aff; ///<mb_adaptive_frame_field_flag
- int direct_8x8_inference_flag;
- int crop; ///< frame_cropping_flag
- int crop_left; ///< frame_cropping_rect_left_offset
- int crop_right; ///< frame_cropping_rect_right_offset
- int crop_top; ///< frame_cropping_rect_top_offset
- int crop_bottom; ///< frame_cropping_rect_bottom_offset
- int vui_parameters_present_flag;
- AVRational sar;
- int timing_info_present_flag;
- uint32_t num_units_in_tick;
- uint32_t time_scale;
- int fixed_frame_rate_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;
-
-/**
- * Picture parameter set
- */
-typedef struct PPS{
- unsigned int sps_id;
- int cabac; ///< entropy_coding_mode_flag
- int pic_order_present; ///< pic_order_present_flag
- int slice_group_count; ///< num_slice_groups_minus1 + 1
- int mb_slice_group_map_type;
- unsigned int ref_count[2]; ///< num_ref_idx_l0/1_active_minus1 + 1
- int weighted_pred; ///< weighted_pred_flag
- int weighted_bipred_idc;
- int init_qp; ///< pic_init_qp_minus26 + 26
- int init_qs; ///< pic_init_qs_minus26 + 26
- int chroma_qp_index_offset;
- int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
- 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;
-
-/**
- * Memory management control operation opcode.
- */
-typedef enum MMCOOpcode{
- MMCO_END=0,
- MMCO_SHORT2UNUSED,
- MMCO_LONG2UNUSED,
- MMCO_SHORT2LONG,
- MMCO_SET_MAX_LONG,
- MMCO_RESET,
- MMCO_LONG,
-} MMCOOpcode;
-
-/**
- * Memory management control operation.
- */
-typedef struct MMCO{
- MMCOOpcode opcode;
- int short_frame_num;
- int long_index;
-} MMCO;
-
-/**
- * H264Context
- */
-typedef struct H264Context{
- MpegEncContext s;
- int nal_ref_idc;
- int nal_unit_type;
- uint8_t *rbsp_buffer;
- unsigned int rbsp_buffer_size;
-
- /**
- * Used to parse AVC variant of h264
- */
- int is_avc; ///< this flag is != 0 if codec is avc1
- int got_avcC; ///< flag used to parse avcC data only once
- int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
-
- int chroma_qp; //QPc
-
- int prev_mb_skipped;
- int next_mb_skipped;
-
- //prediction stuff
- int chroma_pred_mode;
- int intra16x16_pred_mode;
-
- 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?
- void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
- void (*pred8x8 [4+3])(uint8_t *src, int stride);
- void (*pred16x16[4+3])(uint8_t *src, int stride);
- unsigned int topleft_samples_available;
- unsigned int top_samples_available;
- unsigned int topright_samples_available;
- unsigned int left_samples_available;
- uint8_t (*top_borders[2])[16+2*8];
- uint8_t left_border[2*(17+2*9)];
-
- /**
- * non zero coeff count cache.
- * is 64 if not available.
- */
- DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
- uint8_t (*non_zero_count)[16];
-
- /**
- * Motion vector cache.
- */
- 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.
- */
- int mv_cache_clean[2];
-
- /**
- * number of neighbors (top and/or left) that used 8x8 dct
- */
- int neighbor_transform_size;
-
- /**
- * block_offset[ 0..23] for frame macroblocks
- * 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
- int b8_stride;
-
- int mb_linesize; ///< may be equal to s->linesize or s->linesize*2, for mbaff
- int mb_uvlinesize;
-
- int emu_edge_width;
- int emu_edge_height;
-
- int halfpel_flag;
- int thirdpel_flag;
-
- int unknown_svq3_flag;
- int next_slice_index;
-
- 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?
-
- 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 + 2*mb_stride + 1
- int slice_type;
- int slice_type_fixed;
-
- //interlacing specific flags
- int mb_aff_frame;
- int mb_field_decoding_flag;
- int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
-
- unsigned int sub_mb_type[4];
-
- //POC stuff
- int poc_lsb;
- int poc_msb;
- int delta_poc_bottom;
- int delta_poc[2];
- int frame_num;
- int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
- int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
- int frame_num_offset; ///< for POC type 2
- int prev_frame_num_offset; ///< for POC type 2
- int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
-
- /**
- * 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 max_pic_num;
-
- //Weighted pred stuff
- int use_weight;
- int use_weight_chroma;
- int luma_log2_weight_denom;
- int chroma_log2_weight_denom;
- int luma_weight[2][48];
- int luma_offset[2][48];
- int chroma_weight[2][48][2];
- int chroma_offset[2][48][2];
- int implicit_weight[48][48];
-
- //deblock
- 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 dist_scale_factor_field[32];
- int map_col_to_list0[2][16];
- int map_col_to_list0_field[2][32];
-
- /**
- * num_ref_idx_l0/1_active_minus1 + 1
- */
- unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode
- unsigned int list_count;
- Picture *short_ref[32];
- Picture *long_ref[32];
- Picture default_ref_list[2][32];
- Picture ref_list[2][48]; ///< 0..15: frame refs, 16..47: mbaff field refs
- Picture *delayed_pic[18]; //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;
-
- DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
- DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not to large or ensure that there is some unused stuff after mb
-
- /**
- * Cabac
- */
- CABACContext cabac;
- uint8_t cabac_state[460];
- int cabac_init_idc;
-
- /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
- uint16_t *cbp_table;
- int cbp;
- int top_cbp;
- int left_cbp;
- /* chroma_pred_mode for i4x4 or i16x16, else 0 */
- uint8_t *chroma_pred_mode_table;
- int last_qscale_diff;
- int16_t (*mvd_table[2])[2];
- 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 zigzag_scan8x8[64];
- uint8_t zigzag_scan8x8_cavlc[64];
- uint8_t field_scan[16];
- uint8_t field_scan8x8[64];
- uint8_t field_scan8x8_cavlc[64];
- const uint8_t *zigzag_scan_q0;
- const uint8_t *zigzag_scan8x8_q0;
- const uint8_t *zigzag_scan8x8_cavlc_q0;
- const uint8_t *field_scan_q0;
- const uint8_t *field_scan8x8_q0;
- const uint8_t *field_scan8x8_cavlc_q0;
-
- int x264_build;
-}H264Context;
-
static VLC coeff_token_vlc[4];
static VLC chroma_dc_coeff_token_vlc;
static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
int i, si, di;
uint8_t *dst;
+ int bufidx;
// src[0]&0x80; //forbidden bit
h->nal_ref_idc= src[0]>>5;
return src;
}
- h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
- dst= h->rbsp_buffer;
+ bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; // use second escape buffer for inter data
+ h->rbsp_buffer[bufidx]= av_fast_realloc(h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length);
+ dst= h->rbsp_buffer[bufidx];
if (dst == NULL){
return NULL;
*dst_length= di;
*consumed= si + 1;//+1 for the header
-//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
+//FIXME store exact number of bits in the getbitcontext (it is needed for decoding)
return dst;
}
/**
* gets the chroma qp.
*/
-static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
-
- return chroma_qp[av_clip(qscale + chroma_qp_index_offset, 0, 51)];
+static inline int get_chroma_qp(H264Context *h, int t, int qscale){
+ return h->pps.chroma_qp_table[t][qscale & 0xff];
}
-//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
+//FIXME need to check that this does not overflow signed 32 bit for low qp, i am not sure, it's very close
//FIXME check that gcc inlines this (and optimizes intra & separate_dc stuff away)
static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int separate_dc){
int i;
#define LOAD_TOP_RIGHT_EDGE\
- const int t4= topright[0];\
- const int t5= topright[1];\
- const int t6= topright[2];\
- const int t7= topright[3];\
+ const int av_unused t4= topright[0];\
+ const int av_unused t5= topright[1];\
+ const int av_unused t6= topright[2];\
+ const int av_unused t7= topright[3];\
#define LOAD_LEFT_EDGE\
- const int l0= src[-1+0*stride];\
- const int l1= src[-1+1*stride];\
- const int l2= src[-1+2*stride];\
- const int l3= src[-1+3*stride];\
+ const int av_unused l0= src[-1+0*stride];\
+ const int av_unused l1= src[-1+1*stride];\
+ const int av_unused l2= src[-1+2*stride];\
+ const int av_unused l3= src[-1+3*stride];\
#define LOAD_TOP_EDGE\
- const int t0= src[ 0-1*stride];\
- const int t1= src[ 1-1*stride];\
- const int t2= src[ 2-1*stride];\
- const int t3= src[ 3-1*stride];\
+ const int av_unused t0= src[ 0-1*stride];\
+ const int av_unused t1= src[ 1-1*stride];\
+ const int av_unused t2= src[ 2-1*stride];\
+ const int av_unused t3= src[ 3-1*stride];\
static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
const int lt= src[-1-1*stride];
LOAD_TOP_EDGE
LOAD_LEFT_EDGE
- const __attribute__((unused)) int unu= l3;
src[0+0*stride]=
src[1+2*stride]=(lt + t0 + 1)>>1;
static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
- const __attribute__((unused)) int unu= t7;
src[0+0*stride]=(t0 + t1 + 1)>>1;
src[1+0*stride]=
const int lt= src[-1-1*stride];
LOAD_TOP_EDGE
LOAD_LEFT_EDGE
- const __attribute__((unused)) int unu= t3;
src[0+0*stride]=
src[2+1*stride]=(lt + l0 + 1)>>1;
}
}
-static void pred16x16_left_dc_c(uint8_t *src, int stride){
+void ff_pred16x16_left_dc_c(uint8_t *src, int stride){
int i, dc=0;
for(i=0;i<16; i++){
}
}
-static void pred16x16_top_dc_c(uint8_t *src, int stride){
+void ff_pred16x16_top_dc_c(uint8_t *src, int stride){
int i, dc=0;
for(i=0;i<16; i++){
}
}
-static void pred8x8_left_dc_c(uint8_t *src, int stride){
+void ff_pred8x8_left_dc_c(uint8_t *src, int stride){
int i;
int dc0, dc2;
}
}
-static void pred8x8_top_dc_c(uint8_t *src, int stride){
+void ff_pred8x8_top_dc_c(uint8_t *src, int stride){
int i;
int dc0, dc1;
const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
+ 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
- const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
+ const int l7 av_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
#define PT(x) \
const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
+ 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
- const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
+ const int t7 av_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
+ 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
#define PTR(x) \
qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
}
- if(s->flags&CODEC_FLAG_GRAY) return;
+ if(ENABLE_GRAY && s->flags&CODEC_FLAG_GRAY) return;
if(MB_MBAFF){
// chroma offset when predicting from a field of opposite parity
prefetch_motion(h, 1);
}
-static void decode_init_vlc(){
+static void decode_init_vlc(void){
static int done = 0;
if (!done) {
h->pred8x8[VERT_PRED8x8 ]= ff_pred8x8_vertical_c;
h->pred8x8[HOR_PRED8x8 ]= ff_pred8x8_horizontal_c;
h->pred8x8[PLANE_PRED8x8 ]= ff_pred8x8_plane_c;
- h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
- h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
+ h->pred8x8[LEFT_DC_PRED8x8]= ff_pred8x8_left_dc_c;
+ h->pred8x8[TOP_DC_PRED8x8 ]= ff_pred8x8_top_dc_c;
h->pred8x8[DC_128_PRED8x8 ]= ff_pred8x8_128_dc_c;
h->pred16x16[DC_PRED8x8 ]= ff_pred16x16_dc_c;
h->pred16x16[VERT_PRED8x8 ]= ff_pred16x16_vertical_c;
h->pred16x16[HOR_PRED8x8 ]= ff_pred16x16_horizontal_c;
h->pred16x16[PLANE_PRED8x8 ]= ff_pred16x16_plane_c;
- h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
- h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
+ h->pred16x16[LEFT_DC_PRED8x8]= ff_pred16x16_left_dc_c;
+ h->pred16x16[TOP_DC_PRED8x8 ]= ff_pred16x16_top_dc_c;
h->pred16x16[DC_128_PRED8x8 ]= ff_pred16x16_128_dc_c;
}
static void free_tables(H264Context *h){
+ int i;
av_freep(&h->intra4x4_pred_mode);
av_freep(&h->chroma_pred_mode_table);
av_freep(&h->cbp_table);
av_freep(&h->mb2b8_xy);
av_freep(&h->s.obmc_scratchpad);
+
+ for(i = 0; i < MAX_SPS_COUNT; i++)
+ av_freep(h->sps_buffers + i);
+
+ for(i = 0; i < MAX_PPS_COUNT; i++)
+ av_freep(h->pps_buffers + i);
}
static void init_dequant8_coeff_table(H264Context *h){
// set defaults
// s->decode_mb= ff_h263_decode_mb;
+ s->quarter_sample = 1;
s->low_delay= 1;
avctx->pix_fmt= PIX_FMT_YUV420P;
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){
+static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple){
MpegEncContext * const s = &h->s;
int i;
*(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);
- if(!(s->flags&CODEC_FLAG_GRAY)){
+ if(simple || !ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
h->left_border[17 ]= h->top_borders[0][s->mb_x][16+7];
h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
for(i=1; i<9; i++){
}
}
-static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
+static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg, int simple){
MpegEncContext * const s = &h->s;
int temp8, i;
uint64_t temp64;
- int deblock_left = (s->mb_x > 0);
- int deblock_top = (s->mb_y > 0);
+ int deblock_left;
+ int deblock_top;
+ int mb_xy;
+
+ if(h->deblocking_filter == 2) {
+ mb_xy = s->mb_x + s->mb_y*s->mb_stride;
+ deblock_left = h->slice_table[mb_xy] == h->slice_table[mb_xy - 1];
+ deblock_top = h->slice_table[mb_xy] == h->slice_table[h->top_mb_xy];
+ } else {
+ deblock_left = (s->mb_x > 0);
+ deblock_top = (s->mb_y > 0);
+ }
src_y -= linesize + 1;
src_cb -= uvlinesize + 1;
}
}
- if(!(s->flags&CODEC_FLAG_GRAY)){
+ if(simple || !ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if(deblock_left){
for(i = !deblock_top; i<9; i++){
XCHG(h->left_border[i+17 ], src_cb[i*uvlinesize], temp8, xchg);
*(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y + 33*linesize);
*(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
- if(!(s->flags&CODEC_FLAG_GRAY)){
+ if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7];
h->left_border[34+ 1]= h->top_borders[1][s->mb_x][16+7];
h->left_border[34+18 ]= h->top_borders[0][s->mb_x][24+7];
}
}
- if(!(s->flags&CODEC_FLAG_GRAY)){
+ if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if(deblock_left){
for(i = (!deblock_top) << 1; i<18; i++){
XCHG(h->left_border[i+34 ], src_cb[i*uvlinesize], temp8, xchg);
}
}
-static void av_always_inline hl_decode_mb_internal(H264Context *h, int simple){
+static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
MpegEncContext * const s = &h->s;
const int mb_x= s->mb_x;
const int mb_y= s->mb_y;
} else {
if(IS_INTRA(mb_type)){
if(h->deblocking_filter && (simple || !FRAME_MBAFF))
- xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
+ xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1, simple);
- if(simple || !(s->flags&CODEC_FLAG_GRAY)){
+ if(simple || !ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
}
svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
}
if(h->deblocking_filter && (simple || !FRAME_MBAFF))
- xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
+ xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
}else if(is_h264){
hl_motion(h, dest_y, dest_cb, dest_cr,
s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
}
}
- if(simple || !(s->flags&CODEC_FLAG_GRAY)){
+ if(simple || !ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
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]);
+ chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
+ chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
}
if(is_h264){
for(i=16; i<16+8; i++){
s->mb_y--;
tprintf(h->s.avctx, "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
- h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy]);
+ h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]);
filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
// bottom
s->mb_y++;
tprintf(h->s.avctx, "call mbaff filter_mb\n");
fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
- h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
+ h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
} else {
tprintf(h->s.avctx, "call filter_mb\n");
- backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
+ backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, simple);
fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
}
const int mb_y= s->mb_y;
const int mb_xy= mb_x + mb_y*s->mb_stride;
const int mb_type= s->current_picture.mb_type[mb_xy];
- int is_complex = FRAME_MBAFF || MB_FIELD || IS_INTRA_PCM(mb_type) || s->codec_id != CODEC_ID_H264 || (s->flags&CODEC_FLAG_GRAY) || s->encoding;
+ int is_complex = FRAME_MBAFF || MB_FIELD || IS_INTRA_PCM(mb_type) || s->codec_id != CODEC_ID_H264 || (ENABLE_GRAY && (s->flags&CODEC_FLAG_GRAY)) || s->encoding;
if(!s->decode)
return;
return 0;
}
-static int decode_ref_pic_marking(H264Context *h){
+static int decode_ref_pic_marking(H264Context *h, GetBitContext *gb){
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
+ s->broken_link= get_bits1(gb) -1;
+ h->mmco[0].long_index= get_bits1(gb) - 1; // current_long_term_idx
if(h->mmco[0].long_index == -1)
h->mmco_index= 0;
else{
h->mmco_index= 1;
}
}else{
- if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
+ if(get_bits1(gb)){ // adaptive_ref_pic_marking_mode_flag
for(i= 0; i<MAX_MMCO_COUNT; i++) {
- MMCOOpcode opcode= get_ue_golomb(&s->gb);;
+ MMCOOpcode opcode= get_ue_golomb(gb);
h->mmco[i].opcode= opcode;
if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
- h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
+ h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
/* if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco);
return -1;
}*/
}
if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
- unsigned int long_index= get_ue_golomb(&s->gb);
+ unsigned int long_index= get_ue_golomb(gb);
if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ long_index >= 16){
av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
return -1;
return 0;
}
+
+/**
+ * initialize scan tables
+ */
+static void init_scan_tables(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ int i;
+ 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));
+ }else{
+ for(i=0; i<16; i++){
+#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));
+ memcpy(h->field_scan8x8, field_scan8x8, 64*sizeof(uint8_t));
+ memcpy(h->field_scan8x8_cavlc, field_scan8x8_cavlc, 64*sizeof(uint8_t));
+ }else{
+ 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]);
+ h->field_scan8x8[i] = T(field_scan8x8[i]);
+ h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]);
+#undef T
+ }
+ }
+ if(h->sps.transform_bypass){ //FIXME same ugly
+ h->zigzag_scan_q0 = zigzag_scan;
+ h->zigzag_scan8x8_q0 = zigzag_scan8x8;
+ h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
+ h->field_scan_q0 = field_scan;
+ h->field_scan8x8_q0 = field_scan8x8;
+ h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
+ }else{
+ h->zigzag_scan_q0 = h->zigzag_scan;
+ h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
+ h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
+ h->field_scan_q0 = h->field_scan;
+ h->field_scan8x8_q0 = h->field_scan8x8;
+ h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
+ }
+}
/**
* decodes a slice header.
* this will allso call MPV_common_init() and frame_start() as needed
av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
return -1;
}
- h->pps= h->pps_buffer[pps_id];
- if(h->pps.slice_group_count == 0){
+ if(!h->pps_buffers[pps_id]) {
av_log(h->s.avctx, AV_LOG_ERROR, "non existing PPS referenced\n");
return -1;
}
+ h->pps= *h->pps_buffers[pps_id];
- h->sps= h->sps_buffer[ h->pps.sps_id ];
- if(h->sps.log2_max_frame_num == 0){
+ if(!h->sps_buffers[h->pps.sps_id]) {
av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
return -1;
}
+ h->sps = *h->sps_buffers[h->pps.sps_id];
if(h->dequant_coeff_pps != pps_id){
h->dequant_coeff_pps = pps_id;
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));
- }else{
- int i;
- for(i=0; i<16; i++){
-#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));
- memcpy(h->field_scan8x8, field_scan8x8, 64*sizeof(uint8_t));
- memcpy(h->field_scan8x8_cavlc, field_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]);
- h->field_scan8x8[i] = T(field_scan8x8[i]);
- h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]);
-#undef T
- }
- }
- if(h->sps.transform_bypass){ //FIXME same ugly
- h->zigzag_scan_q0 = zigzag_scan;
- h->zigzag_scan8x8_q0 = zigzag_scan8x8;
- h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
- h->field_scan_q0 = field_scan;
- h->field_scan8x8_q0 = field_scan8x8;
- h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
- }else{
- h->zigzag_scan_q0 = h->zigzag_scan;
- h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
- h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
- h->field_scan_q0 = h->field_scan;
- h->field_scan8x8_q0 = h->field_scan8x8;
- h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
- }
-
+ init_scan_tables(h);
alloc_tables(h);
s->avctx->width = s->width;
h->use_weight = 0;
if(s->current_picture.reference)
- decode_ref_pic_marking(h);
+ decode_ref_pic_marking(h, &s->gb);
if(FRAME_MBAFF)
fill_mbaff_ref_list(h);
return -1;
}
s->qscale= tmp;
- h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
+ h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
//FIXME qscale / qp ... stuff
if(h->slice_type == SP_TYPE){
get_bits1(&s->gb); /* sp_for_switch_flag */
if(IS_INTRA_PCM(mb_type)){
unsigned int x, y;
- // we assume these blocks are very rare so we dont optimize it
+ // We assume these blocks are very rare so we do not optimize it.
align_get_bits(&s->gb);
// The pixels are stored in the same order as levels in h->mb array.
// 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);
+ h->chroma_qp[0] = get_chroma_qp(h, 0, 0);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, 0);
// All coeffs are present
memset(h->non_zero_count[mb_xy], 16, 16);
dct8x8_allowed = get_dct8x8_allowed(h);
for(list=0; list<h->list_count; list++){
- const int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
-
for(i=0; i<4; i++){
if(IS_DIRECT(h->sub_mb_type[i])) {
h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];
if(cbp || IS_INTRA16x16(mb_type)){
int i8x8, i4x4, chroma_idx;
- int chroma_qp, dquant;
+ int dquant;
GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
const uint8_t *scan, *scan8x8, *dc_scan;
else s->qscale-= 52;
}
- h->chroma_qp= chroma_qp= get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
+ h->chroma_qp[0]= get_chroma_qp(h, 0, s->qscale);
+ h->chroma_qp[1]= get_chroma_qp(h, 1, s->qscale);
if(IS_INTRA16x16(mb_type)){
if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){
return -1; //FIXME continue if partitioned and other return -1 too
if(cbp&0x20){
for(chroma_idx=0; chroma_idx<2; chroma_idx++){
+ const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[chroma_idx]];
for(i4x4=0; i4x4<4; i4x4++){
const int index= 16 + 4*chroma_idx + i4x4;
- if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][chroma_qp], 15) < 0){
+ if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, qmul, 15) < 0){
return -1;
}
}
return get_cabac_bypass_sign( &h->cabac, -mvd );
}
-static int inline get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
+static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
int nza, nzb;
int ctx = 0;
return ctx + 4 * cat;
}
-static const __attribute((used)) uint8_t last_coeff_flag_offset_8x8[63] = {
+static const attribute_used uint8_t last_coeff_flag_offset_8x8[63] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
int index[64];
- int last;
+ int av_unused last;
int coeff_count = 0;
int abslevel1 = 1;
index[coeff_count++] = last;\
}
const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
-#if defined(ARCH_X86) && !(defined(PIC) && defined(__GNUC__))
+#if defined(ARCH_X86) && defined(CONFIG_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
} else {
coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
return 0;
}
-static void inline compute_mb_neighbors(H264Context *h)
+static inline void compute_mb_neighbors(H264Context *h)
{
MpegEncContext * const s = &h->s;
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
const uint8_t *ptr;
unsigned int x, y;
- // We assume these blocks are very rare so we dont optimize it.
+ // We assume these blocks are very rare so we do not optimize it.
// FIXME The two following lines get the bitstream position in the cabac
// decode, I think it should be done by a function in cabac.h (or cabac.c).
ptr= h->cabac.bytestream;
h->chroma_pred_mode_table[mb_xy] = 0;
// 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);
+ h->chroma_qp[0] = get_chroma_qp(h, 0, 0);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, 0);
// All coeffs are present
memset(h->non_zero_count[mb_xy], 16, 16);
s->current_picture.mb_type[mb_xy]= mb_type;
if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
h->sub_mb_type[2] | 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;
if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
for( i = 0; i < 4; i++ )
if( IS_DIRECT(h->sub_mb_type[i]) )
for(list=0; list<h->list_count; list++){
for(i=0; i<4; i++){
+ h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
if(IS_DIRECT(h->sub_mb_type[i])){
fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
continue;
}
- h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
const int sub_mb_type= h->sub_mb_type[i];
if(s->qscale<0) s->qscale+= 52;
else s->qscale-= 52;
}
- h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
+ h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
+ h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
if( IS_INTRA16x16( mb_type ) ) {
int i;
if( cbp&0x20 ) {
int c, i;
for( c = 0; c < 2; c++ ) {
+ const uint32_t *qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
for( i = 0; i < 4; i++ ) {
const int index = 16 + 4 * c + i;
//av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
- 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)
+ if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, qmul, 15) < 0)
return -1;
}
}
int mb_xy, mb_type;
int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
- if(mb_x==0 || mb_y==0 || !s->dsp.h264_loop_filter_strength) {
+ mb_xy = mb_x + mb_y*s->mb_stride;
+
+ if(mb_x==0 || mb_y==0 || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff ||
+ (h->deblocking_filter == 2 && (h->slice_table[mb_xy] != h->slice_table[h->top_mb_xy] ||
+ h->slice_table[mb_xy] != h->slice_table[mb_xy - 1]))) {
filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
return;
}
assert(!FRAME_MBAFF);
- mb_xy = mb_x + mb_y*s->mb_stride;
mb_type = s->current_picture.mb_type[mb_xy];
qp = s->current_picture.qscale_table[mb_xy];
qp0 = s->current_picture.qscale_table[mb_xy-1];
qp1 = s->current_picture.qscale_table[h->top_mb_xy];
- qpc = get_chroma_qp( h->pps.chroma_qp_index_offset, qp );
- qpc0 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp0 );
- qpc1 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp1 );
+ qpc = get_chroma_qp( h, 0, qp );
+ qpc0 = get_chroma_qp( h, 0, qp0 );
+ qpc1 = get_chroma_qp( h, 0, qp1 );
qp0 = (qp + qp0 + 1) >> 1;
qp1 = (qp + qp1 + 1) >> 1;
qpc0 = (qpc + qpc0 + 1) >> 1;
//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(!FRAME_MBAFF){
- int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, h->pps.chroma_qp_index_offset);
+ int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, FFMAX(h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]));
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)
const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
int16_t bS[8];
int qp[2];
- int chroma_qp[2];
+ int bqp[2];
+ int rqp[2];
int mb_qp, mbn0_qp, mbn1_qp;
int i;
first_vertical_edge_done = 1;
mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
- chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
- get_chroma_qp( h->pps.chroma_qp_index_offset, mbn0_qp ) + 1 ) >> 1;
+ bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
+ get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
+ rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
+ get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
- chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
- get_chroma_qp( h->pps.chroma_qp_index_offset, mbn1_qp ) + 1 ) >> 1;
+ bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
+ get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
+ rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
+ get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
/* Filter edge */
- tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
+ tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPb:%d/%d QPr:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], bqp[0], bqp[1], rqp[0], rqp[1], linesize, uvlinesize);
{ int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
filter_mb_mbaff_edgev ( h, &img_y [0], linesize, bS, qp );
- filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
- filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
+ filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, bqp );
+ filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, rqp );
}
/* dir : 0 -> vertical edge, 1 -> horizontal edge */
for( dir = 0; dir < 2; dir++ )
unsigned int tmp_linesize = 2 * linesize;
unsigned int tmp_uvlinesize = 2 * uvlinesize;
int mbn_xy = mb_xy - 2 * s->mb_stride;
- int qp, chroma_qp;
+ int qp;
int i, j;
int16_t bS[4];
tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
- chroma_qp = ( h->chroma_qp +
- get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
- filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
- filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
+ filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS,
+ ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
+ filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS,
+ ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
}
start = 1;
if( dir == 0 ) {
filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
if( (edge&1) == 0 ) {
- int chroma_qp = ( h->chroma_qp +
- get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
- filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS, chroma_qp );
- filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS, chroma_qp );
+ filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS,
+ ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
+ filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS,
+ ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
}
} else {
filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
if( (edge&1) == 0 ) {
- int chroma_qp = ( h->chroma_qp +
- get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
- filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
- filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
+ filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS,
+ ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
+ filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS,
+ ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
}
}
}
eos = get_cabac_terminate( &h->cabac );
if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
- av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%d)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
+ av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%td)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
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;
}
}
}
+/**
+ * Returns and optionally allocates SPS / PPS structures in the supplied array 'vec'
+ */
+static void *
+alloc_parameter_set(H264Context *h, void **vec, const unsigned int id, const unsigned int max,
+ const size_t size, const char *name)
+{
+ if(id>=max) {
+ av_log(h->s.avctx, AV_LOG_ERROR, "%s_id (%d) out of range\n", name, id);
+ return NULL;
+ }
+
+ if(!vec[id]) {
+ vec[id] = av_mallocz(size);
+ if(vec[id] == NULL)
+ av_log(h->s.avctx, AV_LOG_ERROR, "cannot allocate memory for %s\n", name);
+ }
+ return vec[id];
+}
+
static inline int decode_seq_parameter_set(H264Context *h){
MpegEncContext * const s = &h->s;
int profile_idc, level_idc;
level_idc= get_bits(&s->gb, 8);
sps_id= get_ue_golomb(&s->gb);
- if (sps_id >= MAX_SPS_COUNT){
- // ok it has gone out of hand, someone is sending us bad stuff.
- av_log(h->s.avctx, AV_LOG_ERROR, "illegal sps_id (%d)\n", sps_id);
+ sps = alloc_parameter_set(h, (void **)h->sps_buffers, sps_id, MAX_SPS_COUNT, sizeof(SPS), "sps");
+ if(sps == NULL)
return -1;
- }
- sps= &h->sps_buffer[ sps_id ];
sps->profile_idc= profile_idc;
sps->level_idc= level_idc;
return 0;
}
+static void
+build_qp_table(PPS *pps, int t, int index)
+{
+ int i;
+ for(i = 0; i < 255; i++)
+ pps->chroma_qp_table[t][i & 0xff] = chroma_qp[av_clip(i + index, 0, 51)];
+}
+
static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
MpegEncContext * const s = &h->s;
unsigned int tmp, pps_id= get_ue_golomb(&s->gb);
PPS *pps;
- if(pps_id>=MAX_PPS_COUNT){
- av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
+ pps = alloc_parameter_set(h, (void **)h->pps_buffers, pps_id, MAX_PPS_COUNT, sizeof(PPS), "pps");
+ if(pps == NULL)
return -1;
- }
- pps = &h->pps_buffer[pps_id];
tmp= get_ue_golomb(&s->gb);
- if(tmp>=MAX_SPS_COUNT){
+ if(tmp>=MAX_SPS_COUNT || h->sps_buffers[tmp] == NULL){
av_log(h->s.avctx, AV_LOG_ERROR, "sps_id out of range\n");
return -1;
}
pps->weighted_bipred_idc= get_bits(&s->gb, 2);
pps->init_qp= get_se_golomb(&s->gb) + 26;
pps->init_qs= get_se_golomb(&s->gb) + 26;
- pps->chroma_qp_index_offset= get_se_golomb(&s->gb);
+ pps->chroma_qp_index_offset[0]= get_se_golomb(&s->gb);
pps->deblocking_filter_parameters_present= get_bits1(&s->gb);
pps->constrained_intra_pred= get_bits1(&s->gb);
pps->redundant_pic_cnt_present = get_bits1(&s->gb);
if(get_bits_count(&s->gb) < bit_length){
pps->transform_8x8_mode= get_bits1(&s->gb);
- 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
+ decode_scaling_matrices(h, h->sps_buffers[pps->sps_id], pps, 0, pps->scaling_matrix4, pps->scaling_matrix8);
+ pps->chroma_qp_index_offset[1]= get_se_golomb(&s->gb); //second_chroma_qp_index_offset
+ } else {
+ pps->chroma_qp_index_offset[1]= pps->chroma_qp_index_offset[0];
}
+ build_qp_table(pps, 0, pps->chroma_qp_index_offset[0]);
+ if(pps->chroma_qp_index_offset[0] != pps->chroma_qp_index_offset[1]) {
+ build_qp_table(pps, 1, pps->chroma_qp_index_offset[1]);
+ h->pps.chroma_qp_diff= 1;
+ } else
+ memcpy(pps->chroma_qp_table[1], pps->chroma_qp_table[0], 256);
+
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%u sps:%u %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:%u sps:%u %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d/%d %s %s %s %s\n",
pps_id, pps->sps_id,
pps->cabac ? "CABAC" : "CAVLC",
pps->slice_group_count,
pps->ref_count[0], pps->ref_count[1],
pps->weighted_pred ? "weighted" : "",
- pps->init_qp, pps->init_qs, pps->chroma_qp_index_offset,
+ pps->init_qp, pps->init_qs, pps->chroma_qp_index_offset[0], pps->chroma_qp_index_offset[1],
pps->deblocking_filter_parameters_present ? "LPAR" : "",
pps->constrained_intra_pred ? "CONSTR" : "",
pps->redundant_pic_cnt_present ? "REDU" : "",
return 0;
}
-/**
- * finds the end of the current frame in the bitstream.
- * @return the position of the first byte of the next frame, or -1
- */
-static int find_frame_end(H264Context *h, const uint8_t *buf, int buf_size){
- int i;
- uint32_t state;
- ParseContext *pc = &(h->s.parse_context);
-//printf("first %02X%02X%02X%02X\n", buf[0], buf[1],buf[2],buf[3]);
-// mb_addr= pc->mb_addr - 1;
- state= pc->state;
- if(state>13)
- state= 7;
-
- for(i=0; i<buf_size; i++){
- if(state==7){
- for(; i<buf_size; i++){
- if(!buf[i]){
- state=2;
- break;
- }
- }
- }else if(state<=2){
- if(buf[i]==1) state^= 5; //2->7, 1->4, 0->5
- else if(buf[i]) state = 7;
- else state>>=1; //2->1, 1->0, 0->0
- }else if(state<=5){
- int v= buf[i] & 0x1F;
- if(v==7 || v==8 || v==9){
- if(pc->frame_start_found){
- i++;
-found:
- pc->state=7;
- pc->frame_start_found= 0;
- return i-(state&5);
- }
- }else if(v==1 || v==2 || v==5){
- if(pc->frame_start_found){
- state+=8;
- continue;
- }else
- pc->frame_start_found = 1;
- }
- state= 7;
- }else{
- if(buf[i] & 0x80)
- goto found;
- state= 7;
- }
- }
- pc->state= state;
- return END_NOT_FOUND;
-}
-
-#ifdef CONFIG_H264_PARSER
-static int h264_parse(AVCodecParserContext *s,
- AVCodecContext *avctx,
- 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;
-
- if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
- next= buf_size;
- }else{
- next= find_frame_end(h, buf, buf_size);
-
- if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) {
- *poutbuf = NULL;
- *poutbuf_size = 0;
- return buf_size;
- }
-
- if(next<0){
- find_frame_end(h, &pc->buffer[pc->last_index + next], -next); //update state
- }
- }
-
- *poutbuf = (uint8_t *)buf;
- *poutbuf_size = buf_size;
- return next;
-}
-
-static int h264_split(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
-{
- int i;
- uint32_t state = -1;
- int has_sps= 0;
-
- for(i=0; i<=buf_size; i++){
- if((state&0xFFFFFF1F) == 0x107)
- has_sps=1;
-/* if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
- }*/
- if((state&0xFFFFFF00) == 0x100 && (state&0xFFFFFF1F) != 0x107 && (state&0xFFFFFF1F) != 0x108 && (state&0xFFFFFF1F) != 0x109){
- if(has_sps){
- while(i>4 && buf[i-5]==0) i--;
- return i-4;
- }
- }
- if (i<buf_size)
- state= (state<<8) | buf[i];
- }
- return 0;
-}
-#endif /* CONFIG_H264_PARSER */
-
static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
MpegEncContext * const s = &h->s;
AVCodecContext * const avctx= s->avctx;
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 || nalsize > buf_size){
- if(nalsize == 1){
- buf_index++;
- continue;
- }else{
- av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
- break;
+ 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 || (nalsize+buf_index > buf_size)){
+ 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++){
+ // This should always succeed in the first iteration.
+ if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
+ break;
}
- }
- } else {
- // start code prefix search
- for(; buf_index + 3 < buf_size; buf_index++){
- // this should allways succeed in the first iteration
- if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
- break;
- }
- if(buf_index+3 >= buf_size) break;
+ if(buf_index+3 >= buf_size) break;
- buf_index+=3;
- }
+ buf_index+=3;
+ }
ptr= decode_nal(h, buf + buf_index, &dst_length, &consumed, h->is_avc ? nalsize : buf_size - buf_index);
- if (ptr==NULL || dst_length <= 0){
+ if (ptr==NULL || dst_length < 0){
return -1;
}
- while(ptr[dst_length - 1] == 0 && dst_length > 1)
+ while(ptr[dst_length - 1] == 0 && dst_length > 0)
dst_length--;
- bit_length= 8*dst_length - decode_rbsp_trailing(h, ptr + dst_length - 1);
+ bit_length= !dst_length ? 0 : (8*dst_length - decode_rbsp_trailing(h, 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);
buf_index += consumed;
- if( (s->hurry_up == 1 && h->nal_ref_idc == 0) //FIXME dont discard SEI id
+ if( (s->hurry_up == 1 && h->nal_ref_idc == 0) //FIXME do not discard SEI id
||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
continue;
return pos;
}else{
- if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...)
+ if(pos==0) pos=1; //avoid infinite loops (i doubt that is needed but ...)
if(pos+10>buf_size) pos=buf_size; // oops ;)
return pos;
}
if(s->flags&CODEC_FLAG_TRUNCATED){
- int next= find_frame_end(h, buf, buf_size);
+ int next= ff_h264_find_frame_end(h, buf, buf_size);
- if( ff_combine_frame(&s->parse_context, next, &buf, &buf_size) < 0 )
+ if( ff_combine_frame(&s->parse_context, next, (const uint8_t **)&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);
}
#endif
#if 0 //selftest
+#undef random
#define COUNT 8000
#define SIZE (COUNT*40)
int main(){
START_TIMER
j= get_ue_golomb(&gb);
if(j != i){
- printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
+ printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
// return -1;
}
STOP_TIMER("get_ue_golomb");
START_TIMER
j= get_se_golomb(&gb);
if(j != i - COUNT/2){
- printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
+ printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
// return -1;
}
STOP_TIMER("get_se_golomb");
}
if(memcmp(bitstream, out, COUNT)){
- printf("missmatch\n");
+ printf("mismatch\n");
return -1;
}
}
H264Context *h = avctx->priv_data;
MpegEncContext *s = &h->s;
- av_freep(&h->rbsp_buffer);
+ av_freep(&h->rbsp_buffer[0]);
+ av_freep(&h->rbsp_buffer[1]);
free_tables(h); //FIXME cleanup init stuff perhaps
MPV_common_end(s);
.flush= flush_dpb,
};
-#ifdef CONFIG_H264_PARSER
-AVCodecParser h264_parser = {
- { CODEC_ID_H264 },
- sizeof(H264Context),
- NULL,
- h264_parse,
- ff_parse_close,
- h264_split,
-};
-#endif
-
#include "svq3.c"
projects / ffmpeg / blobdiff