#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "av1dec.h"
#include "bytestream.h"
#include "hwconfig.h"
#include "internal.h"
#include "profiles.h"

Macros
#define	HWACCEL_MAX

Functions
static uint32_t	inverse_recenter (int r, uint32_t v)

static uint32_t	decode_unsigned_subexp_with_ref (uint32_t sub_exp, int mx, int r)

static int32_t	decode_signed_subexp_with_ref (uint32_t sub_exp, int low, int high, int r)

static void	read_global_param (AV1DecContext *s, int type, int ref, int idx)

static void	global_motion_params (AV1DecContext *s)
	update gm type/params, since cbs already implemented part of this funcation, so we don't need to full implement spec. More...

static int	get_relative_dist (const AV1RawSequenceHeader *seq, unsigned int a, unsigned int b)

static void	skip_mode_params (AV1DecContext *s)

static void	coded_lossless_param (AV1DecContext *s)

static int	init_tile_data (AV1DecContext *s)

static int	get_tiles_info (AVCodecContext avctx, const AV1RawTileGroup tile_group)

static int	get_pixel_format (AVCodecContext *avctx)

static void	av1_frame_unref (AVCodecContext avctx, AV1Frame f)

static int	av1_frame_ref (AVCodecContext avctx, AV1Frame dst, const AV1Frame *src)

static av_cold int	av1_decode_free (AVCodecContext *avctx)

static int	set_context_with_sequence (AVCodecContext avctx, const AV1RawSequenceHeader seq)

static int	update_context_with_frame_header (AVCodecContext avctx, const AV1RawFrameHeader header)

static av_cold int	av1_decode_init (AVCodecContext *avctx)

static int	av1_frame_alloc (AVCodecContext avctx, AV1Frame f)

static int	set_output_frame (AVCodecContext avctx, AVFrame frame, const AVPacket pkt, int got_frame)

static int	update_reference_list (AVCodecContext *avctx)

static int	get_current_frame (AVCodecContext *avctx)

static int	av1_decode_frame (AVCodecContext avctx, void frame, int got_frame, AVPacket pkt)

static void	av1_decode_flush (AVCodecContext *avctx)

Variables
AVCodec	ff_av1_decoder

Macro Definition Documentation

#define HWACCEL_MAX

Value:

(CONFIG_AV1_DXVA2_HWACCEL + \
                     CONFIG_AV1_D3D11VA_HWACCEL * 2 + \
                     CONFIG_AV1_NVDEC_HWACCEL + \
                     CONFIG_AV1_VAAPI_HWACCEL)

Referenced by get_pixel_format().

Function Documentation

static uint32_t inverse_recenter	(	int	r,
		uint32_t	v
	)

static

Definition at line 29 of file av1dec.c.

Referenced by decode_unsigned_subexp_with_ref().

static uint32_t decode_unsigned_subexp_with_ref	(	uint32_t	sub_exp,
		int	mx,
		int	r
	)

static

Definition at line 39 of file av1dec.c.

Referenced by decode_signed_subexp_with_ref().

static int32_t decode_signed_subexp_with_ref	(	uint32_t	sub_exp,
		int	low,
		int	high,
		int	r
	)

static

Definition at line 49 of file av1dec.c.

Referenced by read_global_param().

static void read_global_param	(	AV1DecContext *	s,
		int	type,
		int	ref,
		int	idx
	)

static

Definition at line 56 of file av1dec.c.

Referenced by global_motion_params().

static void global_motion_params ( AV1DecContext * s )

static

update gm type/params, since cbs already implemented part of this funcation, so we don't need to full implement spec.

Definition at line 102 of file av1dec.c.

Referenced by get_current_frame().

static int get_relative_dist	(	const AV1RawSequenceHeader *	seq,
		unsigned int	a,
		unsigned int	b
	)

static

Definition at line 148 of file av1dec.c.

Referenced by skip_mode_params().

static void skip_mode_params ( AV1DecContext * s )

static

Definition at line 156 of file av1dec.c.

Referenced by get_current_frame().

static void coded_lossless_param ( AV1DecContext * s )

static

Definition at line 220 of file av1dec.c.

Referenced by get_current_frame().

static int init_tile_data ( AV1DecContext * s )

static

Definition at line 250 of file av1dec.c.

Referenced by get_current_frame().

static int get_tiles_info	(	AVCodecContext *	avctx,
		const AV1RawTileGroup *	tile_group
	)

static

Definition at line 268 of file av1dec.c.

Referenced by av1_decode_frame().

static int get_pixel_format ( AVCodecContext * avctx )

static

check if the HW accel is inited correctly. If not, return un-implemented. Since now the av1 decoder doesn't support native decode, if it will be implemented in the future, need remove this check.

Definition at line 313 of file av1dec.c.

Referenced by av1_decode_frame().