postprocess.c File Reference

#include "config.h"
#include "libavutil/avutil.h"
#include "libavutil/avassert.h"
#include "libavutil/cpu.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 "postprocess_template.c"

Go to the source code of this file.

Macros
#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
	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
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

GET_MODE_BUFFER_SIZE

#define GET_MODE_BUFFER_SIZE   500

Definition at line 95 of file postprocess.c.

OPTIONS_ARRAY_SIZE

#define OPTIONS_ARRAY_SIZE   10

Definition at line 96 of file postprocess.c.

BLOCK_SIZE

#define BLOCK_SIZE   8

Definition at line 97 of file postprocess.c.

TEMP_STRIDE

#define TEMP_STRIDE   8

Definition at line 98 of file postprocess.c.

TEMPLATE_PP_C

#define TEMPLATE_PP_C   1

Definition at line 500 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 536 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 156 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 179 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 201 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 217 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 230 of file postprocess.c.

vertClassify_C()

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

inlinestatic

Definition at line 239 of file postprocess.c.

doHorizDefFilter_C()

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

inlinestatic

Definition at line 248 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 287 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 327 of file postprocess.c.

Referenced by postProcess_TMPL().

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 384 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 539 of file postprocess.c.

Referenced by pp_postprocess().

reallocAlign()

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

static

Definition at line 822 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 827 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 854 of file postprocess.c.

Variable Documentation

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 115 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

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 140 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 858 of file postprocess.c.

Referenced by pp_get_context().