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/timecode.h"
#include "aom_film_grain.h"
#include "bswapdsp.h"
#include "cabac_functions.h"
#include "codec_internal.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"

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 (HEVCContext *s)
	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 (HEVCContext *s, 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 enum AVPixelFormat	get_format (HEVCContext *s, const HEVCSPS *sps)
static int	set_sps (HEVCContext *s, const HEVCSPS *sps, enum AVPixelFormat pix_fmt)
static int	hls_slice_header (SliceHeader *sh, const HEVCContext *s, GetBitContext *gb)
static void	hls_sao_param (HEVCLocalContext *lc, 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 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 (const HEVCContext *s, const HEVCSPS *sps, int x0, int y0, int log2_cb_size)
static int	hls_transform_tree (HEVCLocalContext *lc, 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 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 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 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 HEVCSPS *sps, int x0, int y0, int log2_cb_size)
static void	intra_prediction_unit_default_value (HEVCLocalContext *lc, const HEVCSPS *sps, int x0, int y0, int log2_cb_size)
static int	hls_coding_unit (HEVCLocalContext *lc, const HEVCContext *s, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0, int log2_cb_size)
static int	hls_coding_quadtree (HEVCLocalContext *lc, 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 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 self_id)
static int	hls_slice_data_wpp (HEVCContext *s, const H2645NAL *nal)
static int	decode_slice_data (HEVCContext *s, const H2645NAL *nal, GetBitContext *gb)
static int	set_side_data (HEVCContext *s)
static int	hevc_frame_start (HEVCContext *s)
static int	verify_md5 (HEVCContext *s, AVFrame *frame)
static int	hevc_frame_end (HEVCContext *s)
static int	decode_slice (HEVCContext *s, const H2645NAL *nal, GetBitContext *gb)
static int	decode_nal_unit (HEVCContext *s, const H2645NAL *nal)
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_decode_frame (AVCodecContext *avctx, AVFrame *rframe, int *got_output, AVPacket *avpkt)
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 989 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(s->sao, rx-1, ry).elem;         \
    else if (sao_merge_up_flag)                         \
        sao->elem = CTB(s->sao, rx, ry-1).elem;         \
    else                                                \
        sao->elem = 0;                                  \
} while (0)

Definition at line 991 of file hevcdec.c.

SUBDIVIDE

#define SUBDIVIDE	(		x,
			y,
			idx
	)

Value:

do {                                                                            \
    ret = hls_transform_tree(lc, 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 3703 of file hevcdec.c.

PAR

#define PAR   (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 3704 of file hevcdec.c.

Function Documentation

pic_arrays_free()

static void pic_arrays_free ( HEVCContext *  s )

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 68 of file hevcdec.c.

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

pic_arrays_init()

static int pic_arrays_init ( HEVCContext *  s, const HEVCSPS *  sps  )

static

Definition at line 92 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 146 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 263 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 320 of file hevcdec.c.

Referenced by hevc_decode_extradata(), and set_sps().

export_stream_params_from_sei()

static int export_stream_params_from_sei ( HEVCContext *  s )

static

Definition at line 376 of file hevcdec.c.

Referenced by hevc_decode_extradata(), and hevc_frame_start().

get_format()

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

static

Definition at line 396 of file hevcdec.c.

Referenced by hevc_frame_start().

set_sps()

static int set_sps ( HEVCContext *  s, const HEVCSPS *  sps, enum AVPixelFormat  pix_fmt  )

static

Definition at line 529 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 592 of file hevcdec.c.

Referenced by decode_slice().

hls_sao_param()

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

static

Definition at line 1003 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 1079 of file hevcdec.c.

Referenced by hls_transform_unit().

hls_transform_unit()

static int hls_transform_unit ( HEVCLocalContext *  lc, 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 1095 of file hevcdec.c.

Referenced by hls_transform_tree().

set_deblocking_bypass()

static void set_deblocking_bypass ( const HEVCContext *  s, const HEVCSPS *  sps, int  x0, int  y0, int  log2_cb_size  )

static

Definition at line 1306 of file hevcdec.c.

Referenced by hls_coding_unit(), and hls_transform_tree().

hls_transform_tree()

static int hls_transform_tree ( HEVCLocalContext *  lc, 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 1322 of file hevcdec.c.

Referenced by hls_coding_unit().

hls_pcm_sample()

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

static

Definition at line 1449 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

s	HEVC decoding context
dst	target buffer for block data at block position
dststride	stride of the dst buffer
ref	reference picture buffer at origin (0, 0)
mv	motion vector (relative to block position) to get pixel data from
x_off	horizontal position of block from origin (0, 0)
y_off	vertical position of block from origin (0, 0)
block_w	width of block
block_h	height of block
luma_weight	weighting factor applied to the luma prediction
luma_offset	additive offset applied to the luma prediction value

Definition at line 1508 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

s	HEVC decoding context
dst	target buffer for block data at block position
dststride	stride of the dst buffer
ref0	reference picture0 buffer at origin (0, 0)
mv0	motion vector0 (relative to block position) to get pixel data from
x_off	horizontal position of block from origin (0, 0)
y_off	vertical position of block from origin (0, 0)
block_w	width of block
block_h	height of block
ref1	reference picture1 buffer at origin (0, 0)
mv1	motion vector1 (relative to block position) to get pixel data from
current_mv	current motion vector structure

Definition at line 1572 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

s	HEVC decoding context
dst1	target buffer for block data at block position (U plane)
dst2	target buffer for block data at block position (V plane)
dststride	stride of the dst1 and dst2 buffers
ref	reference picture buffer at origin (0, 0)
mv	motion vector (relative to block position) to get pixel data from
x_off	horizontal position of block from origin (0, 0)
y_off	vertical position of block from origin (0, 0)
block_w	width of block
block_h	height of block
chroma_weight	weighting factor applied to the chroma prediction
chroma_offset	additive offset applied to the chroma prediction value

Definition at line 1666 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

s	HEVC decoding context
dst	target buffer for block data at block position
dststride	stride of the dst buffer
ref0	reference picture0 buffer at origin (0, 0)
mv0	motion vector0 (relative to block position) to get pixel data from
x_off	horizontal position of block from origin (0, 0)
y_off	vertical position of block from origin (0, 0)
block_w	width of block
block_h	height of block
ref1	reference picture1 buffer at origin (0, 0)
mv1	motion vector1 (relative to block position) to get pixel data from
current_mv	current motion vector structure
cidx	chroma component(cb, cr)

Definition at line 1736 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 1829 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 1839 of file hevcdec.c.

Referenced by hls_prediction_unit().

hls_prediction_unit()

static void hls_prediction_unit ( HEVCLocalContext *  lc, 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 1886 of file hevcdec.c.

Referenced by hls_coding_unit().

luma_intra_pred_mode()

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

static

8.4.1

Definition at line 2014 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 2095 of file hevcdec.c.

Referenced by hls_coding_unit().

intra_prediction_unit()

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

static

Definition at line 2113 of file hevcdec.c.

Referenced by hls_coding_unit().

intra_prediction_unit_default_value()

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

static

Definition at line 2181 of file hevcdec.c.

Referenced by hls_coding_unit().

hls_coding_unit()

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

static

Definition at line 2205 of file hevcdec.c.

Referenced by hls_coding_quadtree().

hls_coding_quadtree()

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

static

Definition at line 2390 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 HEVCPPS *  pps, const HEVCSPS *  sps, int  x_ctb, int  y_ctb, int  ctb_addr_ts  )

static

Definition at line 2477 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 2527 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  self_id  )

static

Definition at line 2580 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 2666 of file hevcdec.c.

Referenced by decode_slice_data().

decode_slice_data()

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

static

Definition at line 2768 of file hevcdec.c.

Referenced by decode_slice().

set_side_data()

static int set_side_data ( HEVCContext *  s )

static

Definition at line 2820 of file hevcdec.c.

Referenced by hevc_frame_start().

hevc_frame_start()

static int hevc_frame_start ( HEVCContext *  s )

static

Definition at line 2907 of file hevcdec.c.

Referenced by decode_slice().

verify_md5()

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

static

Definition at line 3040 of file hevcdec.c.

Referenced by hevc_frame_end().

hevc_frame_end()

static int hevc_frame_end ( HEVCContext *  s )

static

Definition at line 3109 of file hevcdec.c.

Referenced by decode_nal_units().

decode_slice()

static int decode_slice ( HEVCContext *  s, const H2645NAL *  nal, GetBitContext *  gb  )

static

Definition at line 3155 of file hevcdec.c.

Referenced by decode_nal_unit(), and decode_slice_data().

decode_nal_unit()

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

static

Definition at line 3199 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 3286 of file hevcdec.c.

Referenced by hevc_decode_frame().

hevc_decode_extradata()

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

static

Definition at line 3379 of file hevcdec.c.

Referenced by hevc_decode_frame(), and hevc_decode_init().

hevc_decode_frame()

static int hevc_decode_frame ( AVCodecContext *  avctx, AVFrame *  rframe, int *  got_output, AVPacket *  avpkt  )

static

Definition at line 3406 of file hevcdec.c.

hevc_ref_frame()

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

static

Definition at line 3452 of file hevcdec.c.

hevc_decode_free()

static av_cold int hevc_decode_free ( AVCodecContext *  avctx )

static

Definition at line 3483 of file hevcdec.c.

hevc_init_context()

static av_cold int hevc_init_context ( AVCodecContext *  avctx )

static

Definition at line 3523 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 3648 of file hevcdec.c.

hevc_decode_flush()

static void hevc_decode_flush ( AVCodecContext *  avctx )

static

Definition at line 3690 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 56 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 2109 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 },
    { NULL },
}

Definition at line 3706 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 3714 of file hevcdec.c.

ff_hevc_decoder

const FFCodec ff_hevc_decoder

Definition at line 3721 of file hevcdec.c.