FFmpeg
Macros | Functions | Variables
hevcdec.c File Reference
#include "config_components.h"
#include "libavutil/attributes.h"
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/film_grain_params.h"
#include "libavutil/internal.h"
#include "libavutil/md5.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/stereo3d.h"
#include "libavutil/timecode.h"
#include "aom_film_grain.h"
#include "bswapdsp.h"
#include "cabac_functions.h"
#include "codec_internal.h"
#include "container_fifo.h"
#include "decode.h"
#include "golomb.h"
#include "hevc.h"
#include "parse.h"
#include "hevcdec.h"
#include "hwaccel_internal.h"
#include "hwconfig.h"
#include "internal.h"
#include "profiles.h"
#include "progressframe.h"
#include "refstruct.h"
#include "thread.h"
#include "threadprogress.h"

Go to the source code of this file.

Macros

#define HWACCEL_MAX
 
#define CTB(tab, x, y)   ((tab)[(y) * sps->ctb_width + (x)])
 
#define SET_SAO(elem, value)
 
#define SUBDIVIDE(x, y, idx)
 
#define POS(c_idx, x, y)
 
#define MD5_PRI   "%016" PRIx64 "%016" PRIx64
 
#define MD5_PRI_ARG(buf)   AV_RB64(buf), AV_RB64((const uint8_t*)(buf) + 8)
 
#define OFFSET(x)   offsetof(HEVCContext, x)
 
#define PAR   (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
 

Functions

static void pic_arrays_free (HEVCLayerContext *l)
 NOTE: Each function hls_foo correspond to the function foo in the specification (HLS stands for High Level Syntax). More...
 
static int pic_arrays_init (HEVCLayerContext *l, const HEVCSPS *sps)
 
static int pred_weight_table (SliceHeader *sh, void *logctx, const HEVCSPS *sps, GetBitContext *gb)
 
static int decode_lt_rps (const HEVCSPS *sps, LongTermRPS *rps, GetBitContext *gb, int cur_poc, int poc_lsb)
 
static void export_stream_params (HEVCContext *s, const HEVCSPS *sps)
 
static int export_stream_params_from_sei (HEVCContext *s)
 
static int export_multilayer (HEVCContext *s, const HEVCVPS *vps)
 
static int setup_multilayer (HEVCContext *s, const HEVCVPS *vps)
 
static enum AVPixelFormat get_format (HEVCContext *s, const HEVCSPS *sps)
 
static int set_sps (HEVCContext *s, HEVCLayerContext *l, const HEVCSPS *sps)
 
static int hls_slice_header (SliceHeader *sh, const HEVCContext *s, GetBitContext *gb)
 
static void hls_sao_param (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int rx, int ry)
 
static int hls_cross_component_pred (HEVCLocalContext *lc, int idx)
 
static int hls_transform_unit (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int xBase, int yBase, int cb_xBase, int cb_yBase, int log2_cb_size, int log2_trafo_size, int blk_idx, int cbf_luma, int *cbf_cb, int *cbf_cr)
 
static void set_deblocking_bypass (uint8_t *is_pcm, const HEVCSPS *sps, int x0, int y0, int log2_cb_size)
 
static int hls_transform_tree (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int xBase, int yBase, int cb_xBase, int cb_yBase, int log2_cb_size, int log2_trafo_size, int trafo_depth, int blk_idx, const int *base_cbf_cb, const int *base_cbf_cr)
 
static int hls_pcm_sample (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, int x0, int y0, int log2_cb_size)
 
static void luma_mc_uni (HEVCLocalContext *lc, const HEVCPPS *pps, const HEVCSPS *sps, uint8_t *dst, ptrdiff_t dststride, const AVFrame *ref, const Mv *mv, int x_off, int y_off, int block_w, int block_h, int luma_weight, int luma_offset)
 8.5.3.2.2.1 Luma sample unidirectional interpolation process More...
 
static void luma_mc_bi (HEVCLocalContext *lc, const HEVCPPS *pps, const HEVCSPS *sps, uint8_t *dst, ptrdiff_t dststride, const AVFrame *ref0, const Mv *mv0, int x_off, int y_off, int block_w, int block_h, const AVFrame *ref1, const Mv *mv1, struct MvField *current_mv)
 8.5.3.2.2.1 Luma sample bidirectional interpolation process More...
 
static void chroma_mc_uni (HEVCLocalContext *lc, const HEVCPPS *pps, const HEVCSPS *sps, uint8_t *dst0, ptrdiff_t dststride, const uint8_t *src0, ptrdiff_t srcstride, int reflist, int x_off, int y_off, int block_w, int block_h, const struct MvField *current_mv, int chroma_weight, int chroma_offset)
 8.5.3.2.2.2 Chroma sample uniprediction interpolation process More...
 
static void chroma_mc_bi (HEVCLocalContext *lc, const HEVCPPS *pps, const HEVCSPS *sps, uint8_t *dst0, ptrdiff_t dststride, const AVFrame *ref0, const AVFrame *ref1, int x_off, int y_off, int block_w, int block_h, const MvField *current_mv, int cidx)
 8.5.3.2.2.2 Chroma sample bidirectional interpolation process More...
 
static void hevc_await_progress (const HEVCContext *s, const HEVCFrame *ref, const Mv *mv, int y0, int height)
 
static void hevc_luma_mv_mvp_mode (HEVCLocalContext *lc, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv)
 
static void hls_prediction_unit (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int partIdx, int idx)
 
static int luma_intra_pred_mode (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCSPS *sps, int x0, int y0, int pu_size, int prev_intra_luma_pred_flag)
 8.4.1 More...
 
static av_always_inline void set_ct_depth (const HEVCSPS *sps, uint8_t *tab_ct_depth, int x0, int y0, int log2_cb_size, int ct_depth)
 
static void intra_prediction_unit (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCSPS *sps, int x0, int y0, int log2_cb_size)
 
static void intra_prediction_unit_default_value (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCSPS *sps, int x0, int y0, int log2_cb_size)
 
static int hls_coding_unit (HEVCLocalContext *lc, const HEVCContext *s, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int log2_cb_size)
 
static int hls_coding_quadtree (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int log2_cb_size, int cb_depth)
 
static void hls_decode_neighbour (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x_ctb, int y_ctb, int ctb_addr_ts)
 
static int hls_decode_entry (HEVCContext *s, GetBitContext *gb)
 
static int hls_decode_entry_wpp (AVCodecContext *avctx, void *hevc_lclist, int job, int thread)
 
static int wpp_progress_init (HEVCContext *s, unsigned count)
 
static int hls_slice_data_wpp (HEVCContext *s, const H2645NAL *nal)
 
static int decode_slice_data (HEVCContext *s, const HEVCLayerContext *l, const H2645NAL *nal, GetBitContext *gb)
 
static int set_side_data (HEVCContext *s)
 
static int find_finish_setup_nal (const HEVCContext *s)
 
static int hevc_frame_start (HEVCContext *s, HEVCLayerContext *l, unsigned nal_idx)
 
static int verify_md5 (HEVCContext *s, AVFrame *frame)
 
static int hevc_frame_end (HEVCContext *s, HEVCLayerContext *l)
 
static int decode_slice (HEVCContext *s, unsigned nal_idx, GetBitContext *gb)
 
static int decode_nal_unit (HEVCContext *s, unsigned nal_idx)
 
static int decode_nal_units (HEVCContext *s, const uint8_t *buf, int length)
 
static int hevc_decode_extradata (HEVCContext *s, uint8_t *buf, int length, int first)
 
static int hevc_receive_frame (AVCodecContext *avctx, AVFrame *frame)
 
static int hevc_ref_frame (HEVCFrame *dst, const HEVCFrame *src)
 
static av_cold int hevc_decode_free (AVCodecContext *avctx)
 
static av_cold int hevc_init_context (AVCodecContext *avctx)
 
static av_cold int hevc_decode_init (AVCodecContext *avctx)
 
static void hevc_decode_flush (AVCodecContext *avctx)
 

Variables

static const uint8_t hevc_pel_weight [65] = { [2] = 0, [4] = 1, [6] = 2, [8] = 3, [12] = 4, [16] = 5, [24] = 6, [32] = 7, [48] = 8, [64] = 9 }
 
static const uint8_t tab_mode_idx []
 
static const AVOption options []
 
static const AVClass hevc_decoder_class
 
const FFCodec ff_hevc_decoder
 

Macro Definition Documentation

◆ HWACCEL_MAX

#define HWACCEL_MAX
Value:
(CONFIG_HEVC_DXVA2_HWACCEL + \
CONFIG_HEVC_D3D11VA_HWACCEL * 2 + \
CONFIG_HEVC_D3D12VA_HWACCEL + \
CONFIG_HEVC_NVDEC_HWACCEL + \
CONFIG_HEVC_VAAPI_HWACCEL + \
CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL + \
CONFIG_HEVC_VDPAU_HWACCEL + \
CONFIG_HEVC_VULKAN_HWACCEL)

◆ CTB

#define CTB (   tab,
  x,
  y 
)    ((tab)[(y) * sps->ctb_width + (x)])

Definition at line 1130 of file hevcdec.c.

◆ SET_SAO

#define SET_SAO (   elem,
  value 
)
Value:
do { \
if (!sao_merge_up_flag && !sao_merge_left_flag) \
sao->elem = value; \
else if (sao_merge_left_flag) \
sao->elem = CTB(l->sao, rx-1, ry).elem; \
else if (sao_merge_up_flag) \
sao->elem = CTB(l->sao, rx, ry-1).elem; \
else \
sao->elem = 0; \
} while (0)

Definition at line 1132 of file hevcdec.c.

◆ SUBDIVIDE

#define SUBDIVIDE (   x,
  y,
  idx 
)
Value:
do { \
ret = hls_transform_tree(lc, l, pps, sps, \
x, y, x0, y0, cb_xBase, cb_yBase, log2_cb_size, \
log2_trafo_size - 1, trafo_depth + 1, idx, \
cbf_cb, cbf_cr); \
if (ret < 0) \
return ret; \
} while (0)

◆ POS

#define POS (   c_idx,
  x,
  y 
)
Value:
&s->cur_frame->f->data[c_idx][((y) >> sps->vshift[c_idx]) * linesize[c_idx] + \
(((x) >> sps->hshift[c_idx]) << sps->pixel_shift)]

◆ MD5_PRI

#define MD5_PRI   "%016" PRIx64 "%016" PRIx64

◆ MD5_PRI_ARG

#define MD5_PRI_ARG (   buf)    AV_RB64(buf), AV_RB64((const uint8_t*)(buf) + 8)

◆ OFFSET

#define OFFSET (   x)    offsetof(HEVCContext, x)

Definition at line 4069 of file hevcdec.c.

◆ PAR

#define PAR   (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 4070 of file hevcdec.c.

Function Documentation

◆ pic_arrays_free()

static void pic_arrays_free ( HEVCLayerContext *  l)
static

NOTE: Each function hls_foo correspond to the function foo in the specification (HLS stands for High Level Syntax).

Section 5.7

Definition at line 71 of file hevcdec.c.

Referenced by hevc_decode_free(), pic_arrays_init(), and set_sps().

◆ pic_arrays_init()

static int pic_arrays_init ( HEVCLayerContext *  l,
const HEVCSPS *  sps 
)
static

Definition at line 100 of file hevcdec.c.

Referenced by set_sps().

◆ pred_weight_table()

static int pred_weight_table ( SliceHeader *  sh,
void *  logctx,
const HEVCSPS *  sps,
GetBitContext *  gb 
)
static

Definition at line 172 of file hevcdec.c.

Referenced by hls_slice_header().

◆ decode_lt_rps()

static int decode_lt_rps ( const HEVCSPS *  sps,
LongTermRPS *  rps,
GetBitContext *  gb,
int  cur_poc,
int  poc_lsb 
)
static

Definition at line 289 of file hevcdec.c.

Referenced by hls_slice_header().

◆ export_stream_params()

static void export_stream_params ( HEVCContext *  s,
const HEVCSPS *  sps 
)
static

Definition at line 346 of file hevcdec.c.

Referenced by hevc_decode_extradata(), and hevc_frame_start().

◆ export_stream_params_from_sei()

static int export_stream_params_from_sei ( HEVCContext *  s)
static

Definition at line 402 of file hevcdec.c.

Referenced by hevc_decode_extradata(), and hevc_frame_start().

◆ export_multilayer()

static int export_multilayer ( HEVCContext *  s,
const HEVCVPS *  vps 
)
static

Definition at line 422 of file hevcdec.c.

Referenced by get_format(), and hevc_decode_extradata().

◆ setup_multilayer()

static int setup_multilayer ( HEVCContext *  s,
const HEVCVPS *  vps 
)
static

Definition at line 461 of file hevcdec.c.

Referenced by get_format().

◆ get_format()

static enum AVPixelFormat get_format ( HEVCContext *  s,
const HEVCSPS *  sps 
)
static

Definition at line 525 of file hevcdec.c.

Referenced by hevc_frame_start().

◆ set_sps()

static int set_sps ( HEVCContext *  s,
HEVCLayerContext *  l,
const HEVCSPS *  sps 
)
static

Definition at line 675 of file hevcdec.c.

Referenced by hevc_frame_start().

◆ hls_slice_header()

static int hls_slice_header ( SliceHeader *  sh,
const HEVCContext *  s,
GetBitContext *  gb 
)
static

Definition at line 705 of file hevcdec.c.

Referenced by decode_slice().

◆ hls_sao_param()

static void hls_sao_param ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  rx,
int  ry 
)
static

Definition at line 1144 of file hevcdec.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ hls_cross_component_pred()

static int hls_cross_component_pred ( HEVCLocalContext *  lc,
int  idx 
)
static

Definition at line 1220 of file hevcdec.c.

Referenced by hls_transform_unit().

◆ hls_transform_unit()

static int hls_transform_unit ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  xBase,
int  yBase,
int  cb_xBase,
int  cb_yBase,
int  log2_cb_size,
int  log2_trafo_size,
int  blk_idx,
int  cbf_luma,
int *  cbf_cb,
int *  cbf_cr 
)
static

Definition at line 1236 of file hevcdec.c.

Referenced by hls_transform_tree().

◆ set_deblocking_bypass()

static void set_deblocking_bypass ( uint8_t *  is_pcm,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  log2_cb_size 
)
static

Definition at line 1448 of file hevcdec.c.

Referenced by hls_coding_unit(), and hls_transform_tree().

◆ hls_transform_tree()

static int hls_transform_tree ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  xBase,
int  yBase,
int  cb_xBase,
int  cb_yBase,
int  log2_cb_size,
int  log2_trafo_size,
int  trafo_depth,
int  blk_idx,
const int *  base_cbf_cb,
const int *  base_cbf_cr 
)
static

Definition at line 1464 of file hevcdec.c.

Referenced by hls_coding_unit().

◆ hls_pcm_sample()

static int hls_pcm_sample ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
int  x0,
int  y0,
int  log2_cb_size 
)
static

Definition at line 1592 of file hevcdec.c.

Referenced by hls_coding_unit().

◆ luma_mc_uni()

static void luma_mc_uni ( HEVCLocalContext *  lc,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
uint8_t *  dst,
ptrdiff_t  dststride,
const AVFrame *  ref,
const Mv *  mv,
int  x_off,
int  y_off,
int  block_w,
int  block_h,
int  luma_weight,
int  luma_offset 
)
static

8.5.3.2.2.1 Luma sample unidirectional interpolation process

Parameters
sHEVC decoding context
dsttarget buffer for block data at block position
dststridestride of the dst buffer
refreference picture buffer at origin (0, 0)
mvmotion vector (relative to block position) to get pixel data from
x_offhorizontal position of block from origin (0, 0)
y_offvertical position of block from origin (0, 0)
block_wwidth of block
block_hheight of block
luma_weightweighting factor applied to the luma prediction
luma_offsetadditive offset applied to the luma prediction value

Definition at line 1651 of file hevcdec.c.

Referenced by hls_prediction_unit().

◆ luma_mc_bi()

static void luma_mc_bi ( HEVCLocalContext *  lc,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
uint8_t *  dst,
ptrdiff_t  dststride,
const AVFrame *  ref0,
const Mv *  mv0,
int  x_off,
int  y_off,
int  block_w,
int  block_h,
const AVFrame *  ref1,
const Mv *  mv1,
struct MvField *  current_mv 
)
static

8.5.3.2.2.1 Luma sample bidirectional interpolation process

Parameters
sHEVC decoding context
dsttarget buffer for block data at block position
dststridestride of the dst buffer
ref0reference picture0 buffer at origin (0, 0)
mv0motion vector0 (relative to block position) to get pixel data from
x_offhorizontal position of block from origin (0, 0)
y_offvertical position of block from origin (0, 0)
block_wwidth of block
block_hheight of block
ref1reference picture1 buffer at origin (0, 0)
mv1motion vector1 (relative to block position) to get pixel data from
current_mvcurrent motion vector structure

Definition at line 1715 of file hevcdec.c.

Referenced by hls_prediction_unit().

◆ chroma_mc_uni()

static void chroma_mc_uni ( HEVCLocalContext *  lc,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
uint8_t *  dst0,
ptrdiff_t  dststride,
const uint8_t *  src0,
ptrdiff_t  srcstride,
int  reflist,
int  x_off,
int  y_off,
int  block_w,
int  block_h,
const struct MvField *  current_mv,
int  chroma_weight,
int  chroma_offset 
)
static

8.5.3.2.2.2 Chroma sample uniprediction interpolation process

Parameters
sHEVC decoding context
dst1target buffer for block data at block position (U plane)
dst2target buffer for block data at block position (V plane)
dststridestride of the dst1 and dst2 buffers
refreference picture buffer at origin (0, 0)
mvmotion vector (relative to block position) to get pixel data from
x_offhorizontal position of block from origin (0, 0)
y_offvertical position of block from origin (0, 0)
block_wwidth of block
block_hheight of block
chroma_weightweighting factor applied to the chroma prediction
chroma_offsetadditive offset applied to the chroma prediction value

Definition at line 1809 of file hevcdec.c.

Referenced by hls_prediction_unit().

◆ chroma_mc_bi()

static void chroma_mc_bi ( HEVCLocalContext *  lc,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
uint8_t *  dst0,
ptrdiff_t  dststride,
const AVFrame *  ref0,
const AVFrame *  ref1,
int  x_off,
int  y_off,
int  block_w,
int  block_h,
const MvField *  current_mv,
int  cidx 
)
static

8.5.3.2.2.2 Chroma sample bidirectional interpolation process

Parameters
sHEVC decoding context
dsttarget buffer for block data at block position
dststridestride of the dst buffer
ref0reference picture0 buffer at origin (0, 0)
mv0motion vector0 (relative to block position) to get pixel data from
x_offhorizontal position of block from origin (0, 0)
y_offvertical position of block from origin (0, 0)
block_wwidth of block
block_hheight of block
ref1reference picture1 buffer at origin (0, 0)
mv1motion vector1 (relative to block position) to get pixel data from
current_mvcurrent motion vector structure
cidxchroma component(cb, cr)

Definition at line 1879 of file hevcdec.c.

Referenced by hls_prediction_unit().

◆ hevc_await_progress()

static void hevc_await_progress ( const HEVCContext *  s,
const HEVCFrame *  ref,
const Mv *  mv,
int  y0,
int  height 
)
static

Definition at line 1972 of file hevcdec.c.

Referenced by hls_prediction_unit().

◆ hevc_luma_mv_mvp_mode()

static void hevc_luma_mv_mvp_mode ( HEVCLocalContext *  lc,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  nPbW,
int  nPbH,
int  log2_cb_size,
int  part_idx,
int  merge_idx,
MvField *  mv 
)
static

Definition at line 1982 of file hevcdec.c.

Referenced by hls_prediction_unit().

◆ hls_prediction_unit()

static void hls_prediction_unit ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  nPbW,
int  nPbH,
int  log2_cb_size,
int  partIdx,
int  idx 
)
static

Definition at line 2029 of file hevcdec.c.

Referenced by hls_coding_unit().

◆ luma_intra_pred_mode()

static int luma_intra_pred_mode ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  pu_size,
int  prev_intra_luma_pred_flag 
)
static

8.4.1

Definition at line 2158 of file hevcdec.c.

Referenced by intra_prediction_unit().

◆ set_ct_depth()

static av_always_inline void set_ct_depth ( const HEVCSPS *  sps,
uint8_t *  tab_ct_depth,
int  x0,
int  y0,
int  log2_cb_size,
int  ct_depth 
)
static

Definition at line 2240 of file hevcdec.c.

Referenced by hls_coding_unit().

◆ intra_prediction_unit()

static void intra_prediction_unit ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  log2_cb_size 
)
static

Definition at line 2258 of file hevcdec.c.

Referenced by hls_coding_unit().

◆ intra_prediction_unit_default_value()

static void intra_prediction_unit_default_value ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  log2_cb_size 
)
static

Definition at line 2328 of file hevcdec.c.

Referenced by hls_coding_unit().

◆ hls_coding_unit()

static int hls_coding_unit ( HEVCLocalContext *  lc,
const HEVCContext *  s,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  log2_cb_size 
)
static

Definition at line 2353 of file hevcdec.c.

Referenced by hls_coding_quadtree().

◆ hls_coding_quadtree()

static int hls_coding_quadtree ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  x0,
int  y0,
int  log2_cb_size,
int  cb_depth 
)
static

Definition at line 2540 of file hevcdec.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ hls_decode_neighbour()

static void hls_decode_neighbour ( HEVCLocalContext *  lc,
const HEVCLayerContext *  l,
const HEVCPPS *  pps,
const HEVCSPS *  sps,
int  x_ctb,
int  y_ctb,
int  ctb_addr_ts 
)
static

Definition at line 2633 of file hevcdec.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ hls_decode_entry()

static int hls_decode_entry ( HEVCContext *  s,
GetBitContext *  gb 
)
static

Definition at line 2684 of file hevcdec.c.

Referenced by decode_slice_data().

◆ hls_decode_entry_wpp()

static int hls_decode_entry_wpp ( AVCodecContext *  avctx,
void *  hevc_lclist,
int  job,
int  thread 
)
static

Definition at line 2738 of file hevcdec.c.

Referenced by hls_slice_data_wpp().

◆ wpp_progress_init()

static int wpp_progress_init ( HEVCContext *  s,
unsigned  count 
)
static

Definition at line 2833 of file hevcdec.c.

Referenced by hls_slice_data_wpp().

◆ hls_slice_data_wpp()

static int hls_slice_data_wpp ( HEVCContext *  s,
const H2645NAL *  nal 
)
static

Definition at line 2859 of file hevcdec.c.

Referenced by decode_slice_data().

◆ decode_slice_data()

static int decode_slice_data ( HEVCContext *  s,
const HEVCLayerContext *  l,
const H2645NAL *  nal,
GetBitContext *  gb 
)
static

Definition at line 2961 of file hevcdec.c.

Referenced by decode_slice().

◆ set_side_data()

static int set_side_data ( HEVCContext *  s)
static

Definition at line 3015 of file hevcdec.c.

Referenced by hevc_frame_start().

◆ find_finish_setup_nal()

static int find_finish_setup_nal ( const HEVCContext *  s)
static

Definition at line 3103 of file hevcdec.c.

Referenced by hevc_frame_start().

◆ hevc_frame_start()

static int hevc_frame_start ( HEVCContext *  s,
HEVCLayerContext *  l,
unsigned  nal_idx 
)
static

Definition at line 3146 of file hevcdec.c.

Referenced by decode_slice().

◆ verify_md5()

static int verify_md5 ( HEVCContext *  s,
AVFrame *  frame 
)
static

Definition at line 3335 of file hevcdec.c.

Referenced by hevc_frame_end().

◆ hevc_frame_end()

static int hevc_frame_end ( HEVCContext *  s,
HEVCLayerContext *  l 
)
static

Definition at line 3404 of file hevcdec.c.

Referenced by decode_nal_units().

◆ decode_slice()

static int decode_slice ( HEVCContext *  s,
unsigned  nal_idx,
GetBitContext *  gb 
)
static

Definition at line 3456 of file hevcdec.c.

Referenced by decode_nal_unit(), and decode_slice_data().

◆ decode_nal_unit()

static int decode_nal_unit ( HEVCContext *  s,
unsigned  nal_idx 
)
static

Definition at line 3521 of file hevcdec.c.

Referenced by decode_nal_units().

◆ decode_nal_units()

static int decode_nal_units ( HEVCContext *  s,
const uint8_t *  buf,
int  length 
)
static

Definition at line 3608 of file hevcdec.c.

Referenced by hevc_receive_frame().

◆ hevc_decode_extradata()

static int hevc_decode_extradata ( HEVCContext *  s,
uint8_t *  buf,
int  length,
int  first 
)
static

Definition at line 3711 of file hevcdec.c.

Referenced by hevc_decode_init(), and hevc_receive_frame().

◆ hevc_receive_frame()

static int hevc_receive_frame ( AVCodecContext *  avctx,
AVFrame *  frame 
)
static

Definition at line 3743 of file hevcdec.c.

◆ hevc_ref_frame()

static int hevc_ref_frame ( HEVCFrame *  dst,
const HEVCFrame *  src 
)
static

Definition at line 3803 of file hevcdec.c.

◆ hevc_decode_free()

static av_cold int hevc_decode_free ( AVCodecContext *  avctx)
static

Definition at line 3836 of file hevcdec.c.

◆ hevc_init_context()

static av_cold int hevc_init_context ( AVCodecContext *  avctx)
static

Definition at line 3883 of file hevcdec.c.

Referenced by hevc_decode_init().

◆ hevc_decode_init()

static av_cold int hevc_decode_init ( AVCodecContext *  avctx)
static

Definition at line 4020 of file hevcdec.c.

◆ hevc_decode_flush()

static void hevc_decode_flush ( AVCodecContext *  avctx)
static

Definition at line 4056 of file hevcdec.c.

Variable Documentation

◆ hevc_pel_weight

const uint8_t hevc_pel_weight[65] = { [2] = 0, [4] = 1, [6] = 2, [8] = 3, [12] = 4, [16] = 5, [24] = 6, [32] = 7, [48] = 8, [64] = 9 }
static

Definition at line 59 of file hevcdec.c.

Referenced by chroma_mc_bi(), chroma_mc_uni(), luma_mc_bi(), and luma_mc_uni().

◆ tab_mode_idx

const uint8_t tab_mode_idx[]
static
Initial value:
= {
0, 1, 2, 2, 2, 2, 3, 5, 7, 8, 10, 12, 13, 15, 17, 18, 19, 20,
21, 22, 23, 23, 24, 24, 25, 25, 26, 27, 27, 28, 28, 29, 29, 30, 31}

Definition at line 2254 of file hevcdec.c.

Referenced by intra_prediction_unit().

◆ options

const AVOption options[]
static
Initial value:
= {
{ "apply_defdispwin", "Apply default display window from VUI", OFFSET(apply_defdispwin),
AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, PAR },
{ "strict-displaywin", "stricly apply default display window size", OFFSET(apply_defdispwin),
AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, PAR },
{ "view_ids", "Array of view IDs that should be decoded and output; a single -1 to decode all views",
.offset = OFFSET(view_ids), .type = AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY,
.min = -1, .max = INT_MAX, .flags = PAR },
{ "view_ids_available", "Array of available view IDs is exported here",
.offset = OFFSET(view_ids_available), .type = AV_OPT_TYPE_UINT | AV_OPT_TYPE_FLAG_ARRAY,
.flags = PAR | AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
{ "view_pos_available", "Array of view positions for view_ids_available is exported here, as AVStereo3DView",
.offset = OFFSET(view_pos_available), .type = AV_OPT_TYPE_UINT | AV_OPT_TYPE_FLAG_ARRAY,
.flags = PAR | AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY, .unit = "view_pos" },
{ "unspecified", .type = AV_OPT_TYPE_CONST, .default_val = { .i64 = AV_STEREO3D_VIEW_UNSPEC }, .unit = "view_pos" },
{ "left", .type = AV_OPT_TYPE_CONST, .default_val = { .i64 = AV_STEREO3D_VIEW_LEFT }, .unit = "view_pos" },
{ "right", .type = AV_OPT_TYPE_CONST, .default_val = { .i64 = AV_STEREO3D_VIEW_RIGHT }, .unit = "view_pos" },
{ NULL },
}

Definition at line 4072 of file hevcdec.c.

◆ hevc_decoder_class

const AVClass hevc_decoder_class
static
Initial value:
= {
.class_name = "HEVC decoder",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
}

Definition at line 4093 of file hevcdec.c.

◆ ff_hevc_decoder

const FFCodec ff_hevc_decoder

Definition at line 4100 of file hevcdec.c.

AV_STEREO3D_VIEW_LEFT
@ AV_STEREO3D_VIEW_LEFT
Frame contains only the left view.
Definition: stereo3d.h:158
AV_STEREO3D_VIEW_RIGHT
@ AV_STEREO3D_VIEW_RIGHT
Frame contains only the right view.
Definition: stereo3d.h:163
AV_STEREO3D_VIEW_UNSPEC
@ AV_STEREO3D_VIEW_UNSPEC
Content is unspecified.
Definition: stereo3d.h:168
hls_transform_tree
static int hls_transform_tree(HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int xBase, int yBase, int cb_xBase, int cb_yBase, int log2_cb_size, int log2_trafo_size, int trafo_depth, int blk_idx, const int *base_cbf_cb, const int *base_cbf_cr)
Definition: hevcdec.c:1464
s
#define s(width, name)
Definition: cbs_vp9.c:198
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
NULL
#define NULL
Definition: coverity.c:32
CTB
#define CTB(tab, x, y)
Definition: hevcdec.c:1130
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
AV_OPT_TYPE_UINT
@ AV_OPT_TYPE_UINT
Underlying C type is unsigned int.
Definition: opt.h:335
PAR
#define PAR
Definition: hevcdec.c:4070
AV_OPT_TYPE_FLAG_ARRAY
@ AV_OPT_TYPE_FLAG_ARRAY
May be combined with another regular option type to declare an array option.
Definition: opt.h:346
options
static const AVOption options[]
Definition: hevcdec.c:4072
AV_OPT_FLAG_READONLY
#define AV_OPT_FLAG_READONLY
The option may not be set through the AVOptions API, only read.
Definition: opt.h:368
value
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default value
Definition: writing_filters.txt:86
ret
ret
Definition: filter_design.txt:187
sps
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
Definition: cbs_h264_syntax_template.c:260
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition: opt.h:259
pps
uint64_t pps
Definition: dovi_rpuenc.c:35
AV_OPT_FLAG_EXPORT
#define AV_OPT_FLAG_EXPORT
The option is intended for exporting values to the caller.
Definition: opt.h:363
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
Definition: opt.h:327
OFFSET
#define OFFSET(x)
Definition: hevcdec.c:4069
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Special option type for declaring named constants.
Definition: opt.h:299
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