ops_chain.h File Reference

#include "libavutil/cpu.h"
#include "libavutil/mem.h"
#include "ops_internal.h"

Go to the source code of this file.

Data Structures
union	SwsOpPriv
	Private data for each kernel. More...
struct	SwsOpImpl
struct	SwsOpChain
	Compiled "chain" of operations, which can be dispatched efficiently. More...
struct	SwsImplParams
struct	SwsImplResult
struct	SwsOpEntry
struct	SwsOpTable
	Copyright (C) 2025 Niklas Haas. More...

Macros
#define	SWS_MAX_OPS   16

Typedefs
typedef void(*	SwsFuncPtr) (void)
	Per-kernel execution context. More...

Functions
SwsOpChain *	ff_sws_op_chain_alloc (void)
void	ff_sws_op_chain_free_cb (void *chain)
static void	ff_sws_op_chain_free (SwsOpChain *chain)
int	ff_sws_op_chain_append (SwsOpChain *chain, SwsFuncPtr func, void(*free)(SwsOpPriv *), const SwsOpPriv *priv)
int	ff_sws_setup_shift (const SwsImplParams *params, SwsImplResult *out)
int	ff_sws_setup_scale (const SwsImplParams *params, SwsImplResult *out)
int	ff_sws_setup_clamp (const SwsImplParams *params, SwsImplResult *out)
int	ff_sws_setup_clear (const SwsImplParams *params, SwsImplResult *out)
static void	ff_op_priv_free (SwsOpPriv *priv)
static void	ff_op_priv_unref (SwsOpPriv *priv)
int	ff_sws_op_compile_tables (SwsContext *ctx, const SwsOpTable *const tables[], int num_tables, SwsOpList *ops, int ops_index, const int block_size, SwsOpChain *chain)
	"Compile" a single op by looking it up in a list of fixed size op tables. More...

Macro Definition Documentation

SWS_MAX_OPS

#define SWS_MAX_OPS   16

Definition at line 85 of file ops_chain.h.

Typedef Documentation

SwsFuncPtr

typedef void(* SwsFuncPtr) (void)

Per-kernel execution context.

Note: This struct is hard-coded in assembly, so do not change the layout.

Definition at line 70 of file ops_chain.h.

Function Documentation

ff_sws_op_chain_alloc()

SwsOpChain* ff_sws_op_chain_alloc

(

void

)

Definition at line 29 of file ops_chain.c.

Referenced by aarch64_compile(), and compile().

ff_sws_op_chain_free_cb()

void ff_sws_op_chain_free_cb

(

void *

chain

)

Definition at line 34 of file ops_chain.c.

Referenced by aarch64_compile(), compile(), and ff_sws_op_chain_free().

ff_sws_op_chain_free()

static void ff_sws_op_chain_free ( SwsOpChain *  chain )

inlinestatic

Definition at line 96 of file ops_chain.h.

Referenced by aarch64_compile(), and compile().

ff_sws_op_chain_append()

int ff_sws_op_chain_append	(	SwsOpChain *	chain,
		SwsFuncPtr	func,
		void(*)(SwsOpPriv *)	free,
		const SwsOpPriv *	priv
	)

Definition at line 48 of file ops_chain.c.

Referenced by aarch64_compile(), and ff_sws_op_compile_tables().

ff_sws_setup_shift()

int ff_sws_setup_shift	(	const SwsImplParams *	params,
		SwsImplResult *	out
	)

Definition at line 268 of file ops_chain.c.

ff_sws_setup_scale()

int ff_sws_setup_scale	(	const SwsImplParams *	params,
		SwsImplResult *	out
	)

Definition at line 274 of file ops_chain.c.

Referenced by aarch64_setup().

ff_sws_setup_clamp()

int ff_sws_setup_clamp	(	const SwsImplParams *	params,
		SwsImplResult *	out
	)

Definition at line 289 of file ops_chain.c.

Referenced by aarch64_setup().

ff_sws_setup_clear()

int ff_sws_setup_clear	(	const SwsImplParams *	params,
		SwsImplResult *	out
	)

Definition at line 306 of file ops_chain.c.

Referenced by aarch64_setup(), and normalize_clear().

ff_op_priv_free()

static void ff_op_priv_free ( SwsOpPriv *  priv )

inlinestatic

Definition at line 149 of file ops_chain.h.

Referenced by aarch64_setup_dither(), aarch64_setup_linear(), DECL_SETUP(), ff_setup_memdup(), setup_dither(), setup_filter_4x4_h(), setup_filter_h(), setup_filter_v(), and setup_linear().

ff_op_priv_unref()

static void ff_op_priv_unref ( SwsOpPriv *  priv )

inlinestatic

Definition at line 154 of file ops_chain.h.

Referenced by DECL_SETUP().

ff_sws_op_compile_tables()

int ff_sws_op_compile_tables	(	SwsContext *	ctx,
		const SwsOpTable *const	tables[],
		int	num_tables,
		SwsOpList *	ops,
		int	ops_index,
		const int	block_size,
		SwsOpChain *	chain
	)

"Compile" a single op by looking it up in a list of fixed size op tables.

See op_match in ops_chain.c for details on how the matching works.

Returns 0 or a negative error code.

Definition at line 205 of file ops_chain.c.

Referenced by compile().