#include "avcodec.h"
#include "get_bits.h"
#include "hwaccel.h"
#include "internal.h"
#include "profiles.h"
#include "thread.h"
#include "videodsp.h"
#include "vp56.h"
#include "vp9.h"
#include "vp9data.h"
#include "vp9dec.h"
#include "libavutil/avassert.h"
#include "libavutil/pixdesc.h"

Macros
#define	VP9_SYNCCODE 0x498342

#define	HWACCEL_MAX

#define	assign(var, type, n) var = (type) p; p += s->sb_cols * (n) * sizeof(*var)

Functions
static void	vp9_free_entries (AVCodecContext *avctx)

static int	vp9_alloc_entries (AVCodecContext *avctx, int n)

static void	vp9_frame_unref (AVCodecContext avctx, VP9Frame f)

static int	vp9_frame_alloc (AVCodecContext avctx, VP9Frame f)

static int	vp9_frame_ref (AVCodecContext avctx, VP9Frame dst, VP9Frame *src)

static int	update_size (AVCodecContext *avctx, int w, int h)

static int	update_block_buffers (AVCodecContext *avctx)

static av_always_inline int	get_sbits_inv (GetBitContext *gb, int n)

static av_always_inline int	inv_recenter_nonneg (int v, int m)

static int	update_prob (VP56RangeCoder *c, int p)

static int	read_colorspace_details (AVCodecContext *avctx)

static int	decode_frame_header (AVCodecContext avctx, const uint8_t data, int size, int *ref)

static void	decode_sb (VP9TileData td, int row, int col, VP9Filter lflvl, ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl)

static void	decode_sb_mem (VP9TileData td, int row, int col, VP9Filter lflvl, ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl)

static void	set_tile_offset (int start, int end, int idx, int log2_n, int n)

static void	free_buffers (VP9Context *s)

static av_cold int	vp9_decode_free (AVCodecContext *avctx)

static int	decode_tiles (AVCodecContext avctx, const uint8_t data, int size)

static int	vp9_decode_frame (AVCodecContext avctx, void frame, int got_frame, AVPacket pkt)

static void	vp9_decode_flush (AVCodecContext *avctx)

static int	init_frames (AVCodecContext *avctx)

static av_cold int	vp9_decode_init (AVCodecContext *avctx)

Variables
AVCodec	ff_vp9_decoder

Macro Definition Documentation

◆ VP9_SYNCCODE

#define VP9_SYNCCODE 0x498342

Definition at line 38 of file vp9.c.

◆ HWACCEL_MAX

#define HWACCEL_MAX

Value:

                     (CONFIG_VP9_DXVA2_HWACCEL + \
                     CONFIG_VP9_D3D11VA_HWACCEL * 2 + \
                     CONFIG_VP9_NVDEC_HWACCEL + \
                     CONFIG_VP9_VAAPI_HWACCEL)

◆ assign

#define assign	(	var,
		type,
		n
	)	var = (type) p; p += s->sb_cols * (n) * sizeof(*var)

Function Documentation

◆ vp9_free_entries()

static void vp9_free_entries ( AVCodecContext * avctx )

static

Definition at line 92 of file vp9.c.

Referenced by decode_frame_header(), and vp9_decode_free().

◆ vp9_alloc_entries()

static int vp9_alloc_entries	(	AVCodecContext *	avctx,
		int	n
	)

static

Definition at line 93 of file vp9.c.

Referenced by decode_frame_header().

◆ vp9_frame_unref()

static void vp9_frame_unref	(	AVCodecContext *	avctx,
		VP9Frame *	f
	)

static

Definition at line 96 of file vp9.c.

Referenced by vp9_decode_flush(), vp9_decode_frame(), vp9_decode_free(), vp9_frame_alloc(), and vp9_frame_ref().

◆ vp9_frame_alloc()

static int vp9_frame_alloc	(	AVCodecContext *	avctx,
		VP9Frame *	f
	)

static

Definition at line 105 of file vp9.c.

Referenced by vp9_decode_frame().

◆ vp9_frame_ref()

static int vp9_frame_ref	(	AVCodecContext *	avctx,
		VP9Frame *	dst,
		VP9Frame *	src
	)

static

Definition at line 141 of file vp9.c.

Referenced by vp9_decode_frame().

◆ update_size()

static int update_size	(	AVCodecContext *	avctx,
		int	w,
		int	h
	)

static

Definition at line 171 of file vp9.c.

Referenced by decode_frame_header().

◆ update_block_buffers()

static int update_block_buffers ( AVCodecContext * avctx )

static

Definition at line 285 of file vp9.c.

Referenced by vp9_decode_frame().

◆ get_sbits_inv()

static av_always_inline int get_sbits_inv	(	GetBitContext *	gb,
		int	n
	)

static

Definition at line 338 of file vp9.c.

Referenced by decode_frame_header().

◆ inv_recenter_nonneg()

static av_always_inline int inv_recenter_nonneg	(	int	v,
		int	m
	)

static

Definition at line 344 of file vp9.c.

Referenced by update_prob().

◆ update_prob()

static int update_prob	(	VP56RangeCoder *	c,
		int	p
	)

static

Definition at line 354 of file vp9.c.

Referenced by decode_frame_header().

◆ read_colorspace_details()

static int read_colorspace_details ( AVCodecContext * avctx )

static

Definition at line 412 of file vp9.c.

Referenced by decode_frame_header().

◆ decode_frame_header()

static int decode_frame_header	(	AVCodecContext *	avctx,
		const uint8_t *	data,
		int	size,
		int *	ref
	)

static

Definition at line 474 of file vp9.c.

Referenced by vp9_decode_frame().

◆ decode_sb()

static void decode_sb	(	VP9TileData *	td,
		int	row,
		int	col,
		VP9Filter *	lflvl,
		ptrdiff_t	yoff,
		ptrdiff_t	uvoff,
		enum BlockLevel	bl
	)

static

Definition at line 1052 of file vp9.c.

Referenced by decode_tiles().

◆ decode_sb_mem()

static void decode_sb_mem	(	VP9TileData *	td,
		int	row,
		int	col,
		VP9Filter *	lflvl,
		ptrdiff_t	yoff,
		ptrdiff_t	uvoff,
		enum BlockLevel	bl
	)

static

Definition at line 1131 of file vp9.c.

Referenced by decode_tiles().

◆ set_tile_offset()

static void set_tile_offset	(	int *	start,
		int *	end,
		int	idx,
		int	log2_n,
		int	n
	)

static

Definition at line 1180 of file vp9.c.

Referenced by decode_tiles().

◆ free_buffers()

static void free_buffers ( VP9Context * s )

static

Definition at line 1188 of file vp9.c.

Referenced by vp9_decode_free().

◆ vp9_decode_free()

static av_cold int vp9_decode_free ( AVCodecContext * avctx )

static

Definition at line 1199 of file vp9.c.

Referenced by init_frames().

◆ decode_tiles()

static int decode_tiles	(	AVCodecContext *	avctx,
		const uint8_t *	data,
		int	size
	)

static

Definition at line 1224 of file vp9.c.

Referenced by vp9_decode_frame().

◆ vp9_decode_frame()

static int vp9_decode_frame	(	AVCodecContext *	avctx,
		void *	frame,
		int *	got_frame,
		AVPacket *	pkt
	)

static

Definition at line 1467 of file vp9.c.

◆ vp9_decode_flush()

static void vp9_decode_flush ( AVCodecContext * avctx )

static

Definition at line 1688 of file vp9.c.

◆ init_frames()

static int init_frames ( AVCodecContext * avctx )

static

Definition at line 1699 of file vp9.c.

Referenced by vp9_decode_init().

◆ vp9_decode_init()

static av_cold int vp9_decode_init ( AVCodecContext * avctx )

static

Definition at line 1725 of file vp9.c.

Variable Documentation

◆ ff_vp9_decoder

AVCodec ff_vp9_decoder

Definition at line 1788 of file vp9.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ VP9_SYNCCODE

◆ HWACCEL_MAX

◆ assign

Function Documentation

◆ vp9_free_entries()

◆ vp9_alloc_entries()

◆ vp9_frame_unref()

◆ vp9_frame_alloc()

◆ vp9_frame_ref()

◆ update_size()

◆ update_block_buffers()

◆ get_sbits_inv()

◆ inv_recenter_nonneg()

◆ update_prob()

◆ read_colorspace_details()

◆ decode_frame_header()

◆ decode_sb()

◆ decode_sb_mem()

◆ set_tile_offset()

◆ free_buffers()

◆ vp9_decode_free()

◆ decode_tiles()

◆ vp9_decode_frame()

◆ vp9_decode_flush()

◆ init_frames()

◆ vp9_decode_init()

Variable Documentation

◆ ff_vp9_decoder