23 #ifndef AVCODEC_HEVCDEC_H
24 #define AVCODEC_HEVCDEC_H
26 #include <stdatomic.h>
44 #define MAX_NB_THREADS 16
45 #define SHIFT_CTB_WPP 2
48 #define MAX_TRANSFORM_DEPTH 5
50 #define MAX_TB_SIZE 32
52 #define DEFAULT_INTRA_TC_OFFSET 2
54 #define HEVC_CONTEXTS 199
56 #define MRG_MAX_NUM_CANDS 5
61 #define EPEL_EXTRA_BEFORE 1
62 #define EPEL_EXTRA_AFTER 2
64 #define QPEL_EXTRA_BEFORE 3
65 #define QPEL_EXTRA_AFTER 4
68 #define EDGE_EMU_BUFFER_STRIDE 80
73 #define SAMPLE(tab, x, y) ((tab)[(y) * s->sps->width + (x)])
74 #define SAMPLE_CTB(tab, x, y) ((tab)[(y) * min_cb_width + (x)])
76 #define IS_IDR(s) ((s)->nal_unit_type == HEVC_NAL_IDR_W_RADL || (s)->nal_unit_type == HEVC_NAL_IDR_N_LP)
77 #define IS_BLA(s) ((s)->nal_unit_type == HEVC_NAL_BLA_W_RADL || (s)->nal_unit_type == HEVC_NAL_BLA_W_LP || \
78 (s)->nal_unit_type == HEVC_NAL_BLA_N_LP)
79 #define IS_IRAP(s) ((s)->nal_unit_type >= 16 && (s)->nal_unit_type <= 23)
388 #define HEVC_FRAME_FLAG_OUTPUT (1 << 0)
389 #define HEVC_FRAME_FLAG_SHORT_REF (1 << 1)
390 #define HEVC_FRAME_FLAG_LONG_REF (1 << 2)
391 #define HEVC_FRAME_FLAG_BUMPING (1 << 3)
458 #define BOUNDARY_LEFT_SLICE (1 << 0)
459 #define BOUNDARY_LEFT_TILE (1 << 1)
460 #define BOUNDARY_UPPER_SLICE (1 << 2)
461 #define BOUNDARY_UPPER_TILE (1 << 3)
684 int nPbW,
int nPbH,
int log2_cb_size,
685 int part_idx,
int merge_idx,
MvField *
mv);
687 int nPbW,
int nPbH,
int log2_cb_size,
688 int part_idx,
int merge_idx,
693 int log2_trafo_size);
701 int log2_trafo_size,
enum ScanType scan_idx,
int frame_packing_arrangement_type
int sei_frame_packing_present
frame packing arrangement variables
int ff_hevc_slice_rpl(HEVCContext *s)
Construct the reference picture list(s) for the current slice.
This structure describes decoded (raw) audio or video data.
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH)
static void flush(AVCodecContext *avctx)
int ff_hevc_sao_offset_sign_decode(HEVCContext *s)
void ff_hevc_set_qPy(HEVCContext *s, int xBase, int yBase, int log2_cb_size)
int active_seq_parameter_set_id
uint8_t edge_emu_buffer[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
const uint8_t ff_hevc_qpel_extra_before[4]
int content_interpretation_type
int ff_hevc_res_scale_sign_flag(HEVCContext *s, int idx)
int16_t x
horizontal component of motion vector
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s)
void * hwaccel_picture_private
uint8_t intra_split_flag
IntraSplitFlag.
int rem_intra_luma_pred_mode
void ff_hevc_clear_refs(HEVCContext *s)
Mark all frames in DPB as unused for reference.
int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth)
int ff_hevc_cu_chroma_qp_offset_idx(HEVCContext *s)
int ff_hevc_mpm_idx_decode(HEVCContext *s)
uint16_t seq_decode
Sequence counters for decoded and output frames, so that old frames are output first after a POC rese...
HEVCNALUnitType
Table 7-3: NAL unit type codes.
uint32_t min_mastering_luminance
void ff_hevc_bump_frame(HEVCContext *s)
AVBufferPool * rpl_tab_pool
candidate references for the current frame
enum HEVCNALUnitType nal_unit_type
int ff_hevc_log2_res_scale_abs(HEVCContext *s, int idx)
int ff_hevc_output_frame(HEVCContext *s, AVFrame *frame, int flush)
Find next frame in output order and put a reference to it in frame.
uint8_t ctb_up_right_flag
struct HEVCFrame * ref[HEVC_MAX_REFS]
Multithreading support functions.
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts)
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size)
int ff_hevc_sao_band_position_decode(HEVCContext *s)
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
bitstream reader API header.
int sei_anticlockwise_rotation
uint8_t cu_transquant_bypass_flag
int16_t tmp[MAX_PB_SIZE *MAX_PB_SIZE]
int ff_hevc_frame_rps(HEVCContext *s)
Construct the reference picture sets for the current frame.
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s)
int temporal_id
temporal_id_plus1 - 1
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s)
HEVCLocalContext * HEVClcList[MAX_NB_THREADS]
int slice_idx
number of the slice being currently decoded
uint8_t intra_pred_mode[4]
uint8_t slice_initialized
1 if the independent slice segment header was successfully parsed
void ff_hevc_reset_sei(HEVCContext *s)
Reset SEI values that are stored on the Context.
RefPicList * ff_hevc_get_ref_list(HEVCContext *s, HEVCFrame *frame, int x0, int y0)
AVBufferRef * rpl_tab_buf
uint16_t display_primaries[3][2]
void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
uint8_t * sao_pixel_buffer_h[3]
void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size)
uint8_t edge_emu_buffer2[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
uint8_t max_trafo_depth
MaxTrafoDepth.
uint16_t sequence
A sequence counter, so that old frames are output first after a POC reset.
struct HEVCContext * sList[MAX_NB_THREADS]
int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size)
enum HEVCNALUnitType first_nal_type
AVBufferRef * tab_mvf_buf
void ff_hevc_luma_mv_merge_mode(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv)
uint8_t cabac_state[HEVC_CONTEXTS]
uint8_t * sao_pixel_buffer_v[3]
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s)
int ff_hevc_sao_offset_abs_decode(HEVCContext *s)
const uint8_t ff_hevc_qpel_extra[4]
int ff_hevc_split_coding_unit_flag_decode(HEVCContext *s, int ct_depth, int x0, int y0)
int sei_mastering_display_info_present
mastering display
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)
int ff_hevc_cu_chroma_qp_offset_flag(HEVCContext *s)
struct HEVCFrame * collocated_ref
void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, int log2_trafo_size)
int ff_hevc_sao_eo_class_decode(HEVCContext *s)
uint32_t max_mastering_luminance
void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags)
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s)
int ff_hevc_merge_flag_decode(HEVCContext *s)
static const int8_t mv[256][2]
int sei_display_orientation_present
display orientation
void ff_hevc_hls_filter(HEVCContext *s, int x, int y, int ctb_size)
int ff_hevc_frame_nb_refs(HEVCContext *s)
Get the number of candidate references for the current frame.
Libavcodec external API header.
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth)
int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb)
Compute POC of the current frame and return it.
uint8_t is_nalff
this flag is != 0 if bitstream is encapsulated as a format defined in 14496-15
main external API structure.
enum PredMode pred_mode
PredMode.
AVBufferRef * hwaccel_priv_buf
int16_t y
vertical component of motion vector
#define EDGE_EMU_BUFFER_STRIDE
int ff_hevc_pred_mode_decode(HEVCContext *s)
uint8_t * checksum_buf
used on BE to byteswap the lines for checksumming
Describe the class of an AVClass context structure.
int ff_hevc_sao_type_idx_decode(HEVCContext *s)
void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0, int nPbW, int nPbH)
int enable_parallel_tiles
int last_eos
last packet contains an EOS/EOB NAL
refcounted data buffer API
enum PartMode part_mode
PartMode.
int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s)
uint8_t intra_pred_mode_c[4]
int ff_hevc_pcm_flag_decode(HEVCContext *s)
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
HEVCLocalContext * HEVClc
int ff_hevc_decode_nal_sei(HEVCContext *s)
int ff_hevc_cu_qp_delta_abs(HEVCContext *s)
const uint8_t ff_hevc_qpel_extra_after[4]
int eos
current packet contains an EOS/EOB NAL
A reference to a data buffer.
int ff_hevc_sao_merge_flag_decode(HEVCContext *s)
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s)
common internal api header.
int32_t * tab_slice_address
uint8_t * filter_slice_edges
int nal_length_size
Number of bytes used for nal length (1, 2 or 4)
AVBufferPool * tab_mvf_pool
Core video DSP helper functions.
int ff_hevc_merge_idx_decode(HEVCContext *s)
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_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
Decoded Picture Buffer (DPB).
int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0, int x_cb, int y_cb)
Public header for MD5 hash function implementation.
uint8_t context_initialized
int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx)
void ff_hevc_flush_dpb(HEVCContext *s)
Drop all frames currently in DPB.
int ff_hevc_intra_chroma_pred_mode_decode(HEVCContext *s)
Context Adaptive Binary Arithmetic Coder.
int isLongTerm[HEVC_MAX_REFS]