diff options
Diffstat (limited to 'libavcodec/hevc.h')
| -rw-r--r-- | libavcodec/hevc.h | 195 |
1 files changed, 120 insertions, 75 deletions
diff --git a/libavcodec/hevc.h b/libavcodec/hevc.h index c6e05bc0bb..66b9a2f0fc 100644 --- a/libavcodec/hevc.h +++ b/libavcodec/hevc.h @@ -3,29 +3,26 @@ * * Copyright (C) 2012 - 2013 Guillaume Martres * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_HEVC_H #define AVCODEC_HEVC_H -#include <stddef.h> -#include <stdint.h> - #include "libavutil/buffer.h" #include "libavutil/md5.h" @@ -33,6 +30,7 @@ #include "bswapdsp.h" #include "cabac.h" #include "get_bits.h" +#include "hevcpred.h" #include "hevcdsp.h" #include "internal.h" #include "thread.h" @@ -41,6 +39,9 @@ #define MAX_DPB_SIZE 16 // A.4.1 #define MAX_REFS 16 +#define MAX_NB_THREADS 16 +#define SHIFT_CTB_WPP 2 + /** * 7.4.2.1 */ @@ -55,12 +56,11 @@ #define MAX_TRANSFORM_DEPTH 5 #define MAX_TB_SIZE 32 -#define MAX_PB_SIZE 64 #define MAX_LOG2_CTB_SIZE 6 #define MAX_QP 51 #define DEFAULT_INTRA_TC_OFFSET 2 -#define HEVC_CONTEXTS 183 +#define HEVC_CONTEXTS 199 #define MRG_MAX_NUM_CANDS 5 @@ -70,6 +70,9 @@ #define EPEL_EXTRA_BEFORE 1 #define EPEL_EXTRA_AFTER 2 #define EPEL_EXTRA 3 +#define QPEL_EXTRA_BEFORE 3 +#define QPEL_EXTRA_AFTER 4 +#define QPEL_EXTRA 7 #define EDGE_EMU_BUFFER_STRIDE 80 @@ -79,13 +82,10 @@ #define SAMPLE(tab, x, y) ((tab)[(y) * s->sps->width + (x)]) #define SAMPLE_CTB(tab, x, y) ((tab)[(y) * min_cb_width + (x)]) -#define IS_IDR(s) (s->nal_unit_type == NAL_IDR_W_RADL || s->nal_unit_type == NAL_IDR_N_LP) -#define IS_BLA(s) (s->nal_unit_type == NAL_BLA_W_RADL || s->nal_unit_type == NAL_BLA_W_LP || \ - s->nal_unit_type == NAL_BLA_N_LP) -#define IS_IRAP(s) (s->nal_unit_type >= 16 && s->nal_unit_type <= 23) - -#define FFUDIV(a,b) (((a) > 0 ? (a) : (a) - (b) + 1) / (b)) -#define FFUMOD(a,b) ((a) - (b) * FFUDIV(a,b)) +#define IS_IDR(s) ((s)->nal_unit_type == NAL_IDR_W_RADL || (s)->nal_unit_type == NAL_IDR_N_LP) +#define IS_BLA(s) ((s)->nal_unit_type == NAL_BLA_W_RADL || (s)->nal_unit_type == NAL_BLA_W_LP || \ + (s)->nal_unit_type == NAL_BLA_N_LP) +#define IS_IRAP(s) ((s)->nal_unit_type >= 16 && (s)->nal_unit_type <= 23) /** * Table 7-3: NAL unit type codes @@ -167,6 +167,8 @@ enum SyntaxElement { CBF_LUMA, CBF_CB_CR, TRANSFORM_SKIP_FLAG, + EXPLICIT_RDPCM_FLAG, + EXPLICIT_RDPCM_DIR_FLAG, LAST_SIGNIFICANT_COEFF_X_PREFIX, LAST_SIGNIFICANT_COEFF_Y_PREFIX, LAST_SIGNIFICANT_COEFF_X_SUFFIX, @@ -177,6 +179,10 @@ enum SyntaxElement { COEFF_ABS_LEVEL_GREATER2_FLAG, COEFF_ABS_LEVEL_REMAINING, COEFF_SIGN_FLAG, + LOG2_RES_SCALE_ABS, + RES_SCALE_SIGN_FLAG, + CU_CHROMA_QP_OFFSET_FLAG, + CU_CHROMA_QP_OFFSET_IDX, }; enum PartMode { @@ -202,6 +208,13 @@ enum InterPredIdc { PRED_BI, }; +enum PredFlag { + PF_INTRA = 0, + PF_L0, + PF_L1, + PF_BI, +}; + enum IntraPredMode { INTRA_PLANAR = 0, INTRA_DC, @@ -244,6 +257,7 @@ enum SAOType { SAO_NOT_APPLIED = 0, SAO_BAND, SAO_EDGE, + SAO_APPLIED }; enum SAOEOClass { @@ -262,6 +276,7 @@ enum ScanType { typedef struct ShortTermRPS { unsigned int num_negative_pics; int num_delta_pocs; + int rps_idx_num_delta_pocs; int32_t delta_poc[32]; uint8_t used[32]; } ShortTermRPS; @@ -381,7 +396,7 @@ typedef struct ScalingList { } ScalingList; typedef struct HEVCSPS { - int vps_id; + unsigned vps_id; int chroma_format_idc; uint8_t separate_colour_plane_flag; @@ -442,6 +457,13 @@ typedef struct HEVCSPS { int max_transform_hierarchy_depth_inter; int max_transform_hierarchy_depth_intra; + int transform_skip_rotation_enabled_flag; + int transform_skip_context_enabled_flag; + int implicit_rdpcm_enabled_flag; + int explicit_rdpcm_enabled_flag; + int intra_smoothing_disabled_flag; + int persistent_rice_adaptation_enabled_flag; + ///< coded frame dimension in various units int width; int height; @@ -454,6 +476,7 @@ typedef struct HEVCSPS { int min_tb_height; int min_pu_width; int min_pu_height; + int tb_mask; int hshift[3]; int vshift[3]; @@ -510,6 +533,15 @@ typedef struct HEVCPPS { int log2_parallel_merge_level; ///< log2_parallel_merge_level_minus2 + 2 int num_extra_slice_header_bits; uint8_t slice_header_extension_present_flag; + uint8_t log2_max_transform_skip_block_size; + uint8_t cross_component_prediction_enabled_flag; + uint8_t chroma_qp_offset_list_enabled_flag; + uint8_t diff_cu_chroma_qp_offset_depth; + uint8_t chroma_qp_offset_list_len_minus1; + int8_t cb_qp_offset_list[5]; + int8_t cr_qp_offset_list[5]; + uint8_t log2_sao_offset_scale_luma; + uint8_t log2_sao_offset_scale_chroma; // Inferred parameters unsigned int *column_width; ///< ColumnWidth @@ -523,6 +555,7 @@ typedef struct HEVCPPS { int *tile_id; ///< TileId int *tile_pos_rs; ///< TilePosRS int *min_tb_addr_zs; ///< MinTbAddrZS + int *min_tb_addr_zs_tab;///< MinTbAddrZS } HEVCPPS; typedef struct HEVCParamSets { @@ -558,6 +591,7 @@ typedef struct SliceHeader { int short_term_ref_pic_set_size; ShortTermRPS slice_rps; const ShortTermRPS *short_term_rps; + int long_term_ref_pic_set_size; LongTermRPS long_term_rps; unsigned int list_entry_lx[2][32]; @@ -581,11 +615,16 @@ typedef struct SliceHeader { int slice_cb_qp_offset; int slice_cr_qp_offset; + uint8_t cu_chroma_qp_offset_enabled_flag; + int beta_offset; ///< beta_offset_div2 * 2 int tc_offset; ///< tc_offset_div2 * 2 unsigned int max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand + int *entry_point_offset; + int * offset; + int * size; int num_entry_point_offsets; int8_t slice_qp; @@ -607,10 +646,6 @@ typedef struct SliceHeader { int slice_ctb_addr_rs; } SliceHeader; -typedef struct CodingTree { - int depth; ///< ctDepth -} CodingTree; - typedef struct CodingUnit { int x; int y; @@ -632,8 +667,7 @@ typedef struct Mv { typedef struct MvField { DECLARE_ALIGNED(4, Mv, mv)[2]; int8_t ref_idx[2]; - int8_t pred_flag[2]; - uint8_t is_intra; + int8_t pred_flag; } MvField; typedef struct NeighbourAvailable { @@ -651,15 +685,24 @@ typedef struct PredictionUnit { uint8_t intra_pred_mode[4]; Mv mvd; uint8_t merge_flag; - uint8_t intra_pred_mode_c; + uint8_t intra_pred_mode_c[4]; + uint8_t chroma_mode_c[4]; } PredictionUnit; typedef struct TransformUnit { int cu_qp_delta; + int res_scale_val; + // Inferred parameters; - int cur_intra_pred_mode; + int intra_pred_mode; + int intra_pred_mode_c; + int chroma_mode_c; uint8_t is_cu_qp_delta_coded; + uint8_t is_cu_chroma_qp_offset_coded; + int8_t cu_qp_offset_cb; + int8_t cu_qp_offset_cr; + uint8_t cross_pf; } TransformUnit; typedef struct DBParams { @@ -670,6 +713,7 @@ typedef struct DBParams { #define HEVC_FRAME_FLAG_OUTPUT (1 << 0) #define HEVC_FRAME_FLAG_SHORT_REF (1 << 1) #define HEVC_FRAME_FLAG_LONG_REF (1 << 2) +#define HEVC_FRAME_FLAG_BUMPING (1 << 3) typedef struct HEVCFrame { AVFrame *frame; @@ -716,6 +760,10 @@ typedef struct HEVCNAL { enum NALUnitType type; int temporal_id; + + int skipped_bytes; + int skipped_bytes_pos_size; + int *skipped_bytes_pos; } HEVCNAL; /* an input packet split into unescaped NAL units */ @@ -725,24 +773,11 @@ typedef struct HEVCPacket { int nals_allocated; } HEVCPacket; -struct HEVCContext; - -typedef struct HEVCPredContext { - void (*intra_pred[4])(struct HEVCContext *s, int x0, int y0, int c_idx); - - void (*pred_planar[4])(uint8_t *src, const uint8_t *top, - const uint8_t *left, ptrdiff_t stride); - void (*pred_dc)(uint8_t *src, const uint8_t *top, const uint8_t *left, - ptrdiff_t stride, int log2_size, int c_idx); - void (*pred_angular[4])(uint8_t *src, const uint8_t *top, - const uint8_t *left, ptrdiff_t stride, - int c_idx, int mode); -} HEVCPredContext; - typedef struct HEVCLocalContext { - DECLARE_ALIGNED(16, int16_t, mc_buffer[(MAX_PB_SIZE + 7) * MAX_PB_SIZE]); uint8_t cabac_state[HEVC_CONTEXTS]; + uint8_t stat_coeff[4]; + uint8_t first_qp_group; GetBitContext gb; @@ -751,18 +786,23 @@ typedef struct HEVCLocalContext { int8_t qp_y; int8_t curr_qp_y; + int qPy_pred; + TransformUnit tu; uint8_t ctb_left_flag; uint8_t ctb_up_flag; uint8_t ctb_up_right_flag; uint8_t ctb_up_left_flag; - int start_of_tiles_x; int end_of_tiles_x; int end_of_tiles_y; /* +7 is for subpixel interpolation, *2 for high bit depths */ DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[(MAX_PB_SIZE + 7) * EDGE_EMU_BUFFER_STRIDE * 2]; - CodingTree ct; + /* The extended size between the new edge emu buffer is abused by SAO */ + DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer2)[(MAX_PB_SIZE + 7) * EDGE_EMU_BUFFER_STRIDE * 2]; + DECLARE_ALIGNED(32, int16_t, tmp [MAX_PB_SIZE * MAX_PB_SIZE]); + + int ct_depth; CodingUnit cu; PredictionUnit pu; NeighbourAvailable na; @@ -780,17 +820,26 @@ typedef struct HEVCContext { const AVClass *c; // needed by private avoptions AVCodecContext *avctx; - HEVCLocalContext HEVClc; + struct HEVCContext *sList[MAX_NB_THREADS]; - uint8_t cabac_state[HEVC_CONTEXTS]; + HEVCLocalContext *HEVClcList[MAX_NB_THREADS]; + HEVCLocalContext *HEVClc; + + uint8_t threads_type; + uint8_t threads_number; + + int width; + int height; + + uint8_t *cabac_state; /** 1 if the independent slice segment header was successfully parsed */ uint8_t slice_initialized; AVFrame *frame; - AVFrame *sao_frame; - AVFrame *tmp_frame; AVFrame *output_frame; + uint8_t *sao_pixel_buffer_h[3]; + uint8_t *sao_pixel_buffer_v[3]; HEVCParamSets ps; @@ -811,11 +860,13 @@ typedef struct HEVCContext { int pocTid0; int slice_idx; ///< number of the slice being currently decoded int eos; ///< current packet contains an EOS/EOB NAL + int last_eos; ///< last packet contains an EOS/EOB NAL int max_ra; int bs_width; int bs_height; int is_decoded; + int no_rasl_output_flag; HEVCPredContext hpc; HEVCDSPContext hevcdsp; @@ -850,6 +901,11 @@ typedef struct HEVCContext { uint16_t seq_decode; uint16_t seq_output; + int enable_parallel_tiles; + int wpp_err; + + const uint8_t *data; + HEVCPacket pkt; // type of the first VCL NAL of the current frame enum NALUnitType first_nal_type; @@ -864,6 +920,8 @@ typedef struct HEVCContext { ///< as a format defined in 14496-15 int apply_defdispwin; + int active_seq_parameter_set_id; + int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4) int nuh_layer_id; @@ -877,6 +935,8 @@ typedef struct HEVCContext { int sei_display_orientation_present; int sei_anticlockwise_rotation; int sei_hflip, sei_vflip; + + int picture_struct; } HEVCContext; int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, @@ -957,32 +1017,11 @@ int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH); int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx); int ff_hevc_mvp_lx_flag_decode(HEVCContext *s); int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s); -int ff_hevc_abs_mvd_greater0_flag_decode(HEVCContext *s); -int ff_hevc_abs_mvd_greater1_flag_decode(HEVCContext *s); -int ff_hevc_mvd_decode(HEVCContext *s); -int ff_hevc_mvd_sign_flag_decode(HEVCContext *s); int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size); int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth); int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth); -int ff_hevc_transform_skip_flag_decode(HEVCContext *s, int c_idx); -int ff_hevc_last_significant_coeff_x_prefix_decode(HEVCContext *s, int c_idx, - int log2_size); -int ff_hevc_last_significant_coeff_y_prefix_decode(HEVCContext *s, int c_idx, - int log2_size); -int ff_hevc_last_significant_coeff_suffix_decode(HEVCContext *s, - int last_significant_coeff_prefix); -int ff_hevc_significant_coeff_group_flag_decode(HEVCContext *s, int c_idx, - int ctx_cg); -int ff_hevc_significant_coeff_flag_decode(HEVCContext *s, int c_idx, int x_c, - int y_c, int log2_trafo_size, - int scan_idx, int prev_sig); -int ff_hevc_coeff_abs_level_greater1_flag_decode(HEVCContext *s, int c_idx, - int ctx_set); -int ff_hevc_coeff_abs_level_greater2_flag_decode(HEVCContext *s, int c_idx, - int inc); -int ff_hevc_coeff_abs_level_remaining(HEVCContext *s, int base_level, - int rc_rice_param); -int ff_hevc_coeff_sign_flag(HEVCContext *s, uint8_t nb); +int ff_hevc_log2_res_scale_abs(HEVCContext *s, int idx); +int ff_hevc_res_scale_sign_flag(HEVCContext *s, int idx); /** * Get the number of candidate references for the current frame. @@ -997,6 +1036,8 @@ int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc); */ int ff_hevc_output_frame(HEVCContext *s, AVFrame *frame, int flush); +void ff_hevc_bump_frame(HEVCContext *s); + void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags); void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0, @@ -1008,29 +1049,33 @@ void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv, int mvp_lx_flag, int LX); -void ff_hevc_set_qPy(HEVCContext *s, int xC, int yC, int xBase, int yBase, +void ff_hevc_set_qPy(HEVCContext *s, int xBase, int yBase, int log2_cb_size); void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, int log2_trafo_size); int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s); int ff_hevc_cu_qp_delta_abs(HEVCContext *s); -void ff_hevc_hls_filter(HEVCContext *s, int x, int y); +int ff_hevc_cu_chroma_qp_offset_flag(HEVCContext *s); +int ff_hevc_cu_chroma_qp_offset_idx(HEVCContext *s); +void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size); void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size); +void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0, + int log2_trafo_size, enum ScanType scan_idx, + int c_idx); -void ff_hevc_pps_free(HEVCPPS **ppps); +void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size); -void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth); /** * Extract the raw (unescaped) HEVC bitstream. */ -int ff_hevc_extract_rbsp(const uint8_t *src, int length, +int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length, HEVCNAL *nal); /** * Split an input packet into NAL units. */ -int ff_hevc_split_packet(HEVCPacket *pkt, const uint8_t *buf, int length, +int ff_hevc_split_packet(HEVCContext *s, HEVCPacket *pkt, const uint8_t *buf, int length, AVCodecContext *avctx, int is_nalff, int nal_length_size); int ff_hevc_encode_nal_vps(HEVCVPS *vps, unsigned int id, |