postprocessing. More...

#include "config.h"
#include "libavutil/avutil.h"
#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "postprocess.h"
#include "postprocess_internal.h"
#include "libavutil/avstring.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavutil/ffversion.h"
#include "postprocess_template.c"

Macros
#define	LICENSE_PREFIX "libpostproc license: "

#define	GET_MODE_BUFFER_SIZE 500

#define	OPTIONS_ARRAY_SIZE 10

#define	BLOCK_SIZE 8

#define	TEMP_STRIDE 8

#define	TEMPLATE_PP_C 1

Typedefs
typedef void(*	pp_fn) (const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height, const int8_t QPs[], int QPStride, int isColor, PPContext *c2)

Functions
unsigned	postproc_version (void)
	Return the LIBPOSTPROC_VERSION_INT constant. More...

const char *	postproc_configuration (void)
	Return the libpostproc build-time configuration. More...

const char *	postproc_license (void)
	Return the libpostproc license. More...

	DECLARE_ASM_CONST (8, int, deringThreshold)

static int	isHorizDC_C (const uint8_t src[], int stride, const PPContext *c)
	Check if the given 8x8 Block is mostly "flat". More...

static int	isVertDC_C (const uint8_t src[], int stride, const PPContext *c)
	Check if the middle 8x8 Block in the given 8x16 block is flat. More...

static int	isHorizMinMaxOk_C (const uint8_t src[], int stride, int QP)

static int	isVertMinMaxOk_C (const uint8_t src[], int stride, int QP)

static int	horizClassify_C (const uint8_t src[], int stride, const PPContext *c)

static int	vertClassify_C (const uint8_t src[], int stride, const PPContext *c)

static void	doHorizDefFilter_C (uint8_t dst[], int stride, const PPContext *c)

static void	doHorizLowPass_C (uint8_t dst[], int stride, const PPContext *c)
	Do a horizontal low pass filter on the 10x8 block (dst points to middle 8x8 Block) using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16 (C version) More...

static void	horizX1Filter (uint8_t *src, int stride, int QP)
	Experimental Filter 1 (Horizontal) will not damage linear gradients Flat blocks should look like they were passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter can only smooth blocks at the expected locations (it cannot smooth them if they did move) MMX2 version does correct clipping C version does not not identical with the vertical one. More...

static av_always_inline void	do_a_deblock_C (uint8_t src, int step, int stride, const PPContext c, int mode)
	accurate deblock filter More...

static void	postProcess (const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height, const int8_t QPs[], int QPStride, int isColor, pp_mode vm, pp_context vc)

pp_mode *	pp_get_mode_by_name_and_quality (const char *name, int quality)
	Return a pp_mode or NULL if an error occurred. More...

void	pp_free_mode (pp_mode *mode)

static void	reallocAlign (void **p, int size)

static void	reallocBuffers (PPContext *c, int width, int height, int stride, int qpStride)

static const char *	context_to_name (void *ptr)

av_cold pp_context *	pp_get_context (int width, int height, int cpuCaps)

av_cold void	pp_free_context (void *vc)

void	pp_postprocess (const uint8_t src[3], const int srcStride[3], uint8_t dst[3], const int dstStride[3], int width, int height, const int8_t QP_store, int QPStride, pp_mode vm, void *vc, int pict_type)

Variables
const char	postproc_ffversion [] = "FFmpeg version " FFMPEG_VERSION

static const struct PPFilter	filters []

static const char *const	replaceTable []

const char	pp_help []
	a simple help text More...

static const AVClass	av_codec_context_class = { "Postproc", context_to_name, NULL }

Detailed Description

postprocessing.

Definition in file postprocess.c.

Macro Definition Documentation

◆ LICENSE_PREFIX

#define LICENSE_PREFIX "libpostproc license: "

Referenced by postproc_license().

◆ GET_MODE_BUFFER_SIZE

#define GET_MODE_BUFFER_SIZE 500

Definition at line 114 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

◆ OPTIONS_ARRAY_SIZE

#define OPTIONS_ARRAY_SIZE 10

Definition at line 115 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

◆ BLOCK_SIZE

#define BLOCK_SIZE 8

Definition at line 116 of file postprocess.c.

Referenced by doHorizDefFilter_C(), doHorizLowPass_C(), horizX1Filter(), isHorizDC_C(), isVertDC_C(), and isVertMinMaxOk_C().

◆ TEMP_STRIDE

#define TEMP_STRIDE 8

Definition at line 117 of file postprocess.c.

◆ TEMPLATE_PP_C

#define TEMPLATE_PP_C 1

Definition at line 524 of file postprocess.c.

Typedef Documentation

◆ pp_fn

typedef void(* pp_fn) (const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height, const int8_t QPs[], int QPStride, int isColor, PPContext *c2)

Definition at line 560 of file postprocess.c.

Function Documentation

◆ DECLARE_ASM_CONST()

DECLARE_ASM_CONST	(	8	,
		int	,
		deringThreshold
	)

◆ isHorizDC_C()

static int isHorizDC_C	(	const uint8_t	src[],
		int	stride,
		const PPContext *	c
	)

inlinestatic

Check if the given 8x8 Block is mostly "flat".

Definition at line 175 of file postprocess.c.

Referenced by horizClassify_C().

◆ isVertDC_C()

static int isVertDC_C	(	const uint8_t	src[],
		int	stride,
		const PPContext *	c
	)

inlinestatic

Check if the middle 8x8 Block in the given 8x16 block is flat.

Definition at line 198 of file postprocess.c.

Referenced by vertClassify_C().

◆ isHorizMinMaxOk_C()

static int isHorizMinMaxOk_C	(	const uint8_t	src[],
		int	stride,
		int	QP
	)

inlinestatic

Definition at line 220 of file postprocess.c.

Referenced by horizClassify_C().

◆ isVertMinMaxOk_C()

static int isVertMinMaxOk_C	(	const uint8_t	src[],
		int	stride,
		int	QP
	)

inlinestatic

Definition at line 236 of file postprocess.c.

Referenced by vertClassify_C().

◆ horizClassify_C()

static int horizClassify_C	(	const uint8_t	src[],
		int	stride,
		const PPContext *	c
	)

inlinestatic

Definition at line 249 of file postprocess.c.

◆ vertClassify_C()

static int vertClassify_C	(	const uint8_t	src[],
		int	stride,
		const PPContext *	c
	)

inlinestatic

Definition at line 258 of file postprocess.c.

◆ doHorizDefFilter_C()

static void doHorizDefFilter_C	(	uint8_t	dst[],
		int	stride,
		const PPContext *	c
	)

inlinestatic

Definition at line 267 of file postprocess.c.

◆ doHorizLowPass_C()

static void doHorizLowPass_C	(	uint8_t	dst[],
		int	stride,
		const PPContext *	c
	)

inlinestatic

Do a horizontal low pass filter on the 10x8 block (dst points to middle 8x8 Block) using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16 (C version)

Definition at line 306 of file postprocess.c.

◆ horizX1Filter()

static void horizX1Filter	(	uint8_t *	src,
		int	stride,
		int	QP
	)

inlinestatic

Experimental Filter 1 (Horizontal) will not damage linear gradients Flat blocks should look like they were passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter can only smooth blocks at the expected locations (it cannot smooth them if they did move) MMX2 version does correct clipping C version does not not identical with the vertical one.

Definition at line 346 of file postprocess.c.

Referenced by postProcess().

◆ do_a_deblock_C()

static av_always_inline void do_a_deblock_C	(	uint8_t *	src,
		int	step,
		int	stride,
		const PPContext *	c,
		int	mode
	)

static

accurate deblock filter

Definition at line 403 of file postprocess.c.

◆ postProcess()

static void postProcess	(	const uint8_t	src[],
		int	srcStride,
		uint8_t	dst[],
		int	dstStride,
		int	width,
		int	height,
		const int8_t	QPs[],
		int	QPStride,
		int	isColor,
		pp_mode *	vm,
		pp_context *	vc
	)

inlinestatic

Definition at line 563 of file postprocess.c.

Referenced by pp_postprocess().

◆ reallocAlign()

static void reallocAlign	(	void **	p,
		int	size
	)

static

Definition at line 846 of file postprocess.c.

Referenced by reallocBuffers().

◆ reallocBuffers()

static void reallocBuffers	(	PPContext *	c,
		int	width,
		int	height,
		int	stride,
		int	qpStride
	)

static

Definition at line 851 of file postprocess.c.

Referenced by pp_get_context(), and pp_postprocess().

◆ context_to_name()

static const char* context_to_name ( void * ptr )

static

Definition at line 878 of file postprocess.c.

Variable Documentation

◆ postproc_ffversion

const char postproc_ffversion[] = "FFmpeg version " FFMPEG_VERSION

Definition at line 95 of file postprocess.c.

◆ filters

const struct PPFilter filters[]

static

Initial value:

=
{
    {"hb", "hdeblock",              1, 1, 3, H_DEBLOCK},
    {"vb", "vdeblock",              1, 2, 4, V_DEBLOCK},
    {"h1", "x1hdeblock",            1, 1, 3, H_X1_FILTER},
    {"v1", "x1vdeblock",            1, 2, 4, V_X1_FILTER},
    {"ha", "ahdeblock",             1, 1, 3, H_A_DEBLOCK},
    {"va", "avdeblock",             1, 2, 4, V_A_DEBLOCK},
    {"dr", "dering",                1, 5, 6, DERING},
    {"al", "autolevels",            0, 1, 2, LEVEL_FIX},
    {"lb", "linblenddeint",         1, 1, 4, LINEAR_BLEND_DEINT_FILTER},
    {"li", "linipoldeint",          1, 1, 4, LINEAR_IPOL_DEINT_FILTER},
    {"ci", "cubicipoldeint",        1, 1, 4, CUBIC_IPOL_DEINT_FILTER},
    {"md", "mediandeint",           1, 1, 4, MEDIAN_DEINT_FILTER},
    {"fd", "ffmpegdeint",           1, 1, 4, FFMPEG_DEINT_FILTER},
    {"l5", "lowpass5",              1, 1, 4, LOWPASS5_DEINT_FILTER},
    {"tn", "tmpnoise",              1, 7, 8, TEMP_NOISE_FILTER},
    {"fq", "forcequant",            1, 0, 0, FORCE_QUANT},
    {"be", "bitexact",              1, 0, 0, BITEXACT},
    {"vi", "visualize",             1, 0, 0, VISUALIZE},
    {NULL, NULL,0,0,0,0} 
}

Definition at line 134 of file postprocess.c.

Referenced by add_filter(), avfilter_graph_alloc_filter(), avfilter_graph_parse_ptr(), do_scaled_8tap_c(), new_audio_stream(), new_video_stream(), and swri_dither_init().

◆ replaceTable

const char* const replaceTable[]

static

Initial value:

=
{
    "default",      "hb:a,vb:a,dr:a",
    "de",           "hb:a,vb:a,dr:a",
    "fast",         "h1:a,v1:a,dr:a",
    "fa",           "h1:a,v1:a,dr:a",
    "ac",           "ha:a:128:7,va:a,dr:a",
    NULL 
}

Definition at line 159 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

◆ av_codec_context_class

const AVClass av_codec_context_class = { "Postproc", context_to_name, NULL }

static

Definition at line 882 of file postprocess.c.

Referenced by pp_get_context().

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ LICENSE_PREFIX

◆ GET_MODE_BUFFER_SIZE

◆ OPTIONS_ARRAY_SIZE

◆ BLOCK_SIZE

◆ TEMP_STRIDE

◆ TEMPLATE_PP_C

Typedef Documentation

◆ pp_fn

Function Documentation

◆ DECLARE_ASM_CONST()

◆ isHorizDC_C()

◆ isVertDC_C()

◆ isHorizMinMaxOk_C()

◆ isVertMinMaxOk_C()

◆ horizClassify_C()

◆ vertClassify_C()

◆ doHorizDefFilter_C()

◆ doHorizLowPass_C()

◆ horizX1Filter()

◆ do_a_deblock_C()

◆ postProcess()

◆ reallocAlign()

◆ reallocBuffers()

◆ context_to_name()

Variable Documentation

◆ postproc_ffversion

◆ filters

◆ replaceTable

◆ av_codec_context_class