* @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;
*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;
}
return chroma_qp[av_clip(qscale + chroma_qp_index_offset, 0, 51)];
}
-//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) \
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){
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 || !(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;
}
}
- if(!(s->flags&CODEC_FLAG_GRAY)){
+ if(simple || !(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);
}
}
-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)){
h->pred8x8[ h->chroma_pred_mode ](dest_cb, 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,
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);
}
first_mb_in_slice= get_ue_golomb(&s->gb);
+ if((s->flags2 & CODEC_FLAG2_CHUNKS) && first_mb_in_slice == 0){
+ h->slice_num = 0;
+ s->current_picture_ptr= NULL;
+ }
+
slice_type= get_ue_golomb(&s->gb);
if(slice_type > 9){
av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
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(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.
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 ];
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,
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;
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->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];
}
}
+/**
+ * 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;
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;
}
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);
+ decode_scaling_matrices(h, h->sps_buffers[pps->sps_id], pps, 0, pps->scaling_matrix4, pps->scaling_matrix8);
get_se_golomb(&s->gb); //second_chroma_qp_index_offset
}
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;
-
- 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;
av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
}
#endif
- h->slice_num = 0;
- s->current_picture_ptr= NULL;
+ if(!(s->flags2 & CODEC_FLAG2_CHUNKS)){
+ h->slice_num = 0;
+ s->current_picture_ptr= NULL;
+ }
+
for(;;){
int consumed;
int dst_length;
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 || (nalsize+buf_index > buf_size)){
if(nalsize == 1){
buf_index++;
continue;
} else {
// start code prefix search
for(; buf_index + 3 < buf_size; buf_index++){
- // this should allways succeed in the first iteration
+ // This should always succeed in the first iteration.
if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
break;
}
}
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;
}
}
- 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;
-
- h->prev_frame_num_offset= h->frame_num_offset;
- h->prev_frame_num= h->frame_num;
- if(s->current_picture_ptr->reference){
- h->prev_poc_msb= h->poc_msb;
- h->prev_poc_lsb= h->poc_lsb;
- }
- if(s->current_picture_ptr->reference)
- execute_ref_pic_marking(h, h->mmco, h->mmco_index);
-
- ff_er_frame_end(s);
-
- MPV_frame_end(s);
-
return buf_index;
}
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);
}
if(buf_index < 0)
return -1;
- //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");
+ if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
+ av_log(avctx, AV_LOG_ERROR, "no frame!\n");
return -1;
}
- {
+ if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
Picture *out = s->current_picture_ptr;
+ Picture *cur = s->current_picture_ptr;
+ Picture *prev = h->delayed_output_pic;
+ int i, pics, cross_idr, out_of_order, out_idx;
+
+ s->mb_y= 0;
+
+ s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
+ s->current_picture_ptr->pict_type= s->pict_type;
+
+ h->prev_frame_num_offset= h->frame_num_offset;
+ h->prev_frame_num= h->frame_num;
+ if(s->current_picture_ptr->reference){
+ h->prev_poc_msb= h->poc_msb;
+ h->prev_poc_lsb= h->poc_lsb;
+ }
+ if(s->current_picture_ptr->reference)
+ execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+
+ ff_er_frame_end(s);
+
+ MPV_frame_end(s);
+
+ //FIXME do something with unavailable reference frames
+
#if 0 //decode order
*data_size = sizeof(AVFrame);
#else
/* Sort B-frames into display order */
- Picture *cur = s->current_picture_ptr;
- Picture *prev = h->delayed_output_pic;
- int i, pics, cross_idr, out_of_order, out_idx;
if(h->sps.bitstream_restriction_flag
&& s->avctx->has_b_frames < h->sps.num_reorder_frames){
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;
}
}
.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"