hevcdec.c File Reference

#include "config_components.h"
#include "libavutil/attributes.h"
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/container_fifo.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/tdrdi.h"
#include "libavutil/timecode.h"
#include "libavutil/refstruct.h"
#include "libavcodec/aom_film_grain.h"
#include "libavcodec/bswapdsp.h"
#include "libavcodec/cabac_functions.h"
#include "libavcodec/codec_internal.h"
#include "libavcodec/decode.h"
#include "libavcodec/golomb.h"
#include "libavcodec/h274.h"
#include "libavcodec/hwaccel_internal.h"
#include "libavcodec/hwconfig.h"
#include "libavcodec/internal.h"
#include "libavcodec/profiles.h"
#include "libavcodec/progressframe.h"
#include "libavcodec/thread.h"
#include "libavcodec/threadprogress.h"
#include "hevc.h"
#include "parse.h"
#include "hevcdec.h"

Go to the source code of this file.

Macros
#define	HWACCEL_MAX
#define	CTB(tab, x, y)
#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)
#define	OFFSET(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).
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)
int	ff_hevc_is_alpha_video (const HEVCContext *s)
int	ff_hevc_requested_layers (const HEVCContext *s, const HEVCVPS *vps, unsigned *active_output)
	Resolve the caller's view selection into layers.
static int	setup_multilayer (HEVCContext *s, const HEVCVPS *vps)
static enum AVPixelFormat	map_to_alpha_format (HEVCContext *s, enum AVPixelFormat pix_fmt)
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
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
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
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
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
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 void	decode_reset_recovery_point (HEVCContext *s)
static int	export_stream_params_from_slice (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_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 int	hevc_sei_to_context (AVCodecContext *avctx, HEVCSEI *sei)
static av_cold int	hevc_decode_init (AVCodecContext *avctx)
static av_cold 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_NVDEC_CUARRAY_HWACCEL + \
                     CONFIG_HEVC_VAAPI_HWACCEL + \
                     CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL + \
                     CONFIG_HEVC_VDPAU_HWACCEL + \
                     CONFIG_HEVC_VULKAN_HWACCEL)

CTB

#define CTB	(		tab,
			x,
			y )

Value:

((tab)[(y) * sps->ctb_width + (x)])

Definition at line 1217 of file hevcdec.c.

Referenced by hls_sao_param().

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 1219 of file hevcdec.c.

Referenced by hls_sao_param().

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)

Referenced by hls_transform_tree().

POS

#define POS	(		c_idx,
			x,
			y )

Value:

    s->cur_frame->f->data[c_idx] ?                                                \
    &s->cur_frame->f->data[c_idx][((y) >> sps->vshift[c_idx]) * linesize[c_idx] + \
                           (((x) >> sps->hshift[c_idx]) << sps->pixel_shift)] : NULL

Referenced by hls_prediction_unit().

MD5_PRI

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

Referenced by verify_md5().

MD5_PRI_ARG

#define MD5_PRI_ARG

(

buf

)

Value:

AV_RB64(buf), AV_RB64((const uint8_t*)(buf) + 8)

Referenced by verify_md5().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(HEVCContext, x)

Definition at line 4313 of file hevcdec.c.

PAR

#define PAR   (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 4314 of file hevcdec.c.

Function Documentation

pic_arrays_free()

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 74 of file hevcdec.c.

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

pic_arrays_init()

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

static

Definition at line 103 of file hevcdec.c.

Referenced by set_sps().

pred_weight_table()

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

static

Definition at line 175 of file hevcdec.c.

Referenced by hls_slice_header().

decode_lt_rps()

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

static

Definition at line 275 of file hevcdec.c.

Referenced by hls_slice_header().

export_stream_params()

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

static

Definition at line 332 of file hevcdec.c.

Referenced by export_stream_params_from_slice(), hevc_decode_extradata(), and hevc_frame_start().

export_stream_params_from_sei()

int export_stream_params_from_sei ( HEVCContext * s )

static

Definition at line 388 of file hevcdec.c.

Referenced by decode_nal_units(), hevc_decode_extradata(), and hevc_frame_start().

export_multilayer()

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

static

Definition at line 401 of file hevcdec.c.

Referenced by get_format(), and hevc_decode_extradata().

ff_hevc_is_alpha_video()

int ff_hevc_is_alpha_video

(

const HEVCContext *

s

)

Definition at line 440 of file hevcdec.c.

Referenced by alloc_frame(), get_format(), hevc_frame_start(), and setup_multilayer().

ff_hevc_requested_layers()

int ff_hevc_requested_layers	(	const HEVCContext *	s,
		const HEVCVPS *	vps,
		unsigned *	active_output )

Resolve the caller's view selection into layers.

Depends only on the requested view IDs and the VPS, so unlike layers_active_decode it is already valid before setup_multilayer() runs and can be used from a hwaccel frame_params()/init() callback. Auxiliary alpha video is not covered here, as its layers do not follow view selection.

Parameters

active_output

receives the mask of layers to output

Returns

number of layers that will be decoded, or a negative error code

Definition at line 459 of file hevcdec.c.

Referenced by setup_multilayer().

setup_multilayer()

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

static

Definition at line 519 of file hevcdec.c.

Referenced by get_format().

map_to_alpha_format()

enum AVPixelFormat map_to_alpha_format ( HEVCContext * s, enum AVPixelFormat pix_fmt )

static

Definition at line 552 of file hevcdec.c.

Referenced by export_stream_params_from_slice(), and get_format().

get_format()

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

static

Definition at line 580 of file hevcdec.c.

Referenced by hevc_frame_start().

set_sps()

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

static

Definition at line 761 of file hevcdec.c.

Referenced by hevc_frame_start().

hls_slice_header()

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

static

Definition at line 791 of file hevcdec.c.

Referenced by decode_slice().

hls_sao_param()

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

static

Definition at line 1231 of file hevcdec.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

hls_cross_component_pred()

int hls_cross_component_pred ( HEVCLocalContext * lc, int idx )

static

Definition at line 1307 of file hevcdec.c.

Referenced by hls_transform_unit().

hls_transform_unit()

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 1323 of file hevcdec.c.

Referenced by hls_transform_tree().

set_deblocking_bypass()

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

static

Definition at line 1535 of file hevcdec.c.

Referenced by hls_coding_unit(), and hls_transform_tree().

hls_transform_tree()

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 1551 of file hevcdec.c.

Referenced by hls_coding_unit().

hls_pcm_sample()

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

static

Definition at line 1679 of file hevcdec.c.

Referenced by hls_coding_unit().

luma_mc_uni()

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 1739 of file hevcdec.c.

Referenced by hls_prediction_unit().

luma_mc_bi()

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 1803 of file hevcdec.c.

Referenced by hls_prediction_unit().

chroma_mc_uni()

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 1897 of file hevcdec.c.

Referenced by hls_prediction_unit().

chroma_mc_bi()

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 1967 of file hevcdec.c.

Referenced by hls_prediction_unit().

hevc_await_progress()

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

static

Definition at line 2060 of file hevcdec.c.

Referenced by hls_prediction_unit().

hevc_luma_mv_mvp_mode()

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 2070 of file hevcdec.c.

Referenced by hls_prediction_unit().

hls_prediction_unit()

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 2117 of file hevcdec.c.

Referenced by hls_coding_unit().

luma_intra_pred_mode()

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 2247 of file hevcdec.c.

Referenced by derive_chroma_intra_pred_mode(), and intra_prediction_unit().

set_ct_depth()

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 2329 of file hevcdec.c.

Referenced by hls_coding_unit().

intra_prediction_unit()

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

static

Definition at line 2347 of file hevcdec.c.

Referenced by hls_coding_unit().

intra_prediction_unit_default_value()

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 2417 of file hevcdec.c.

Referenced by hls_coding_unit().

hls_coding_unit()

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 2442 of file hevcdec.c.

Referenced by hls_coding_quadtree().

hls_coding_quadtree()

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 2629 of file hevcdec.c.

Referenced by hls_coding_quadtree(), hls_decode_entry(), and hls_decode_entry_wpp().

hls_decode_neighbour()

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 2722 of file hevcdec.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

hls_decode_entry()

int hls_decode_entry ( HEVCContext * s, GetBitContext * gb )

static

Definition at line 2773 of file hevcdec.c.

Referenced by decode_slice_data().

hls_decode_entry_wpp()

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

static

Definition at line 2827 of file hevcdec.c.

Referenced by hls_slice_data_wpp().

wpp_progress_init()

int wpp_progress_init ( HEVCContext * s, unsigned count )

static

Definition at line 2922 of file hevcdec.c.

Referenced by hls_slice_data_wpp().

hls_slice_data_wpp()

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

static

Definition at line 2948 of file hevcdec.c.

Referenced by decode_slice_data().

decode_slice_data()

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

static

Definition at line 3050 of file hevcdec.c.

Referenced by decode_slice().

set_side_data()

int set_side_data ( HEVCContext * s )

static

Definition at line 3104 of file hevcdec.c.

Referenced by hevc_frame_start().

find_finish_setup_nal()

int find_finish_setup_nal ( const HEVCContext * s )

static

Definition at line 3199 of file hevcdec.c.

Referenced by hevc_frame_start().

hevc_frame_start()

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

static

Definition at line 3243 of file hevcdec.c.

Referenced by decode_slice().

verify_md5()

int verify_md5 ( HEVCContext * s, AVFrame * frame )

static

Definition at line 3451 of file hevcdec.c.

Referenced by hevc_frame_end().

hevc_frame_end()

int hevc_frame_end ( HEVCContext * s, HEVCLayerContext * l )

static

Definition at line 3520 of file hevcdec.c.

Referenced by decode_nal_units().

decode_slice()

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

static

Definition at line 3566 of file hevcdec.c.

Referenced by decode_nal_unit().

decode_nal_unit()

int decode_nal_unit ( HEVCContext * s, unsigned nal_idx )

static

Definition at line 3642 of file hevcdec.c.

Referenced by decode_nal_units().

decode_reset_recovery_point()

void decode_reset_recovery_point ( HEVCContext * s )

static

Definition at line 3730 of file hevcdec.c.

Referenced by decode_nal_units().

export_stream_params_from_slice()

int export_stream_params_from_slice ( HEVCContext * s, const H2645NAL * nal )

static

Definition at line 3736 of file hevcdec.c.

Referenced by decode_nal_units().

decode_nal_units()

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

static

Definition at line 3772 of file hevcdec.c.

Referenced by hevc_receive_frame().

hevc_decode_extradata()

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

static

Definition at line 3906 of file hevcdec.c.

Referenced by hevc_decode_init(), and hevc_receive_frame().

hevc_receive_frame()

int hevc_receive_frame ( AVCodecContext * avctx, AVFrame * frame )

static

Definition at line 3938 of file hevcdec.c.

hevc_ref_frame()

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

static

Definition at line 3998 of file hevcdec.c.

hevc_decode_free()

av_cold int hevc_decode_free ( AVCodecContext * avctx )

static

Definition at line 4031 of file hevcdec.c.

hevc_init_context()

av_cold int hevc_init_context ( AVCodecContext * avctx )

static

Definition at line 4077 of file hevcdec.c.

Referenced by hevc_decode_init().

hevc_sei_to_context()

int hevc_sei_to_context ( AVCodecContext * avctx, HEVCSEI * sei )

static

Definition at line 4214 of file hevcdec.c.

Referenced by hevc_decode_init().

hevc_decode_init()

av_cold int hevc_decode_init ( AVCodecContext * avctx )

static

Definition at line 4263 of file hevcdec.c.

hevc_decode_flush()

av_cold void hevc_decode_flush ( AVCodecContext * avctx )

static

Definition at line 4299 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 62 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 2343 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", "strictly 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 4316 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 4337 of file hevcdec.c.

ff_hevc_decoder

const FFCodec ff_hevc_decoder

Definition at line 4344 of file hevcdec.c.

Referenced by imm5_init().