postprocessing. More...

#include "config.h"
#include "libavutil/avutil.h"
#include "libavutil/avassert.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/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 QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c2)

Functions
unsigned	postproc_version (void)
	Return the LIBPOSTPROC_VERSION_INT constant.

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

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

	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".

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.

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)

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.

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

static void	postProcess (const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height, const QP_STORE_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.

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 QP_STORE_T QP_store, int QPStride, pp_mode vm, void *vc, int pict_type)

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

static struct PPFilter	filters []

static const char *const	replaceTable []

const char	pp_help []
	a simple help text

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

Detailed Description

postprocessing.

Definition in file postprocess.c.

Macro Definition Documentation

#define LICENSE_PREFIX "libpostproc license: "

#define GET_MODE_BUFFER_SIZE 500

Definition at line 116 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

#define OPTIONS_ARRAY_SIZE 10

Definition at line 117 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

#define BLOCK_SIZE 8

Definition at line 118 of file postprocess.c.

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

#define TEMP_STRIDE 8

Definition at line 119 of file postprocess.c.

#define TEMPLATE_PP_C 1

Definition at line 557 of file postprocess.c.

Typedef Documentation

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

Definition at line 593 of file postprocess.c.

Function Documentation

DECLARE_ASM_CONST	(	8	,
		int	,
		deringThreshold
	)

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 208 of file postprocess.c.

Referenced by horizClassify_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 231 of file postprocess.c.

Referenced by vertClassify_C().

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

inlinestatic

Definition at line 253 of file postprocess.c.

Referenced by horizClassify_C().

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

inlinestatic

Definition at line 269 of file postprocess.c.

Referenced by vertClassify_C().

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

inlinestatic

Definition at line 282 of file postprocess.c.

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

inlinestatic

Definition at line 291 of file postprocess.c.

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

inlinestatic

Definition at line 300 of file postprocess.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 339 of file postprocess.c.

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 379 of file postprocess.c.

Referenced by postProcess_TMPL().

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 436 of file postprocess.c.

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

inlinestatic

Definition at line 596 of file postprocess.c.

Referenced by pp_postprocess().

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

static

Definition at line 879 of file postprocess.c.

Referenced by reallocBuffers().

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

static

Definition at line 884 of file postprocess.c.

Referenced by pp_get_context(), and pp_postprocess().

static const char* context_to_name ( void * ptr )

static

Definition at line 911 of file postprocess.c.

Variable Documentation

const char postproc_ffversion[] = "FFmpeg version " FFMPEG_VERSION

Definition at line 93 of file postprocess.c.

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 136 of file postprocess.c.

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

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 161 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

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

static

Definition at line 915 of file postprocess.c.

Referenced by pp_get_context().

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

Typedef Documentation

Function Documentation

Variable Documentation