libpostproc/postprocess.c File Reference

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"

Go to the source code of this file.

Defines

#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 HAVE_MMX   0
#define HAVE_MMX2   0
#define HAVE_AMD3DNOW   0
#define HAVE_ALTIVEC   0

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 (uint8_t src[], int stride, PPContext *c)
 Check if the given 8x8 Block is mostly "flat".
static int isVertDC_C (uint8_t src[], int stride, PPContext *c)
 Check if the middle 8x8 Block in the given 8x16 block is flat.
static int isHorizMinMaxOk_C (uint8_t src[], int stride, int QP)
static int isVertMinMaxOk_C (uint8_t src[], int stride, int QP)
static int horizClassify_C (uint8_t src[], int stride, PPContext *c)
static int vertClassify_C (uint8_t src[], int stride, PPContext *c)
static void doHorizDefFilter_C (uint8_t dst[], int stride, PPContext *c)
static void doHorizLowPass_C (uint8_t dst[], int stride, 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, PPContext *c)
 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 alignment, int size)
static void reallocBuffers (PPContext *c, int width, int height, int stride, int qpStride)
static const char * context_to_name (void *ptr)
pp_context * pp_get_context (int width, int height, int cpuCaps)
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

static struct PPFilter filters []
static const char * 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.

Define Documentation

#define BLOCK_SIZE   8

Definition at line 115 of file postprocess.c.

#define GET_MODE_BUFFER_SIZE   500

Definition at line 113 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

#define HAVE_ALTIVEC   0

Definition at line 569 of file postprocess.c.

Referenced by ff_fft_init(), ff_fmt_convert_init(), ff_get_unscaled_swscale(), ff_getSwsFunc(), ff_h264dsp_init(), ff_mpadsp_init(), ff_vc1dsp_init(), ff_vp8dsp_init(), ff_yuv2rgb_get_func_ptr(), initFilter(), sws_init_context(), and sws_setColorspaceDetails().

#define HAVE_AMD3DNOW   0

Definition at line 567 of file postprocess.c.

Referenced by DECLARE_ASM_CONST(), dsputil_init_mmx(), ff_ac3dsp_init_x86(), ff_fft_init_mmx(), ff_fmt_convert_init_x86(), and sws_init_context().

#define HAVE_MMX   0

Definition at line 563 of file postprocess.c.

Referenced by decode_frame(), decode_init(), dsputil_init(), ff_ac3dsp_init(), ff_cavsdsp_init(), ff_dct_init(), ff_diracdsp_init(), ff_dwt_init(), ff_fft_init(), ff_fmt_convert_init(), ff_getSwsFunc(), ff_h264_pred_init(), ff_h264dsp_init(), ff_lpc_init(), ff_mpadsp_init(), ff_proresdsp_init(), ff_rv34dsp_init(), ff_rv40dsp_init(), ff_spatial_idwt_init2(), ff_vc1dsp_init(), ff_vp56dsp_init(), ff_vp8dsp_init(), ff_yuv2rgb_get_func_ptr(), init(), initFilter(), sws_init_context(), and sws_rgb2rgb_init().

#define HAVE_MMX2   0

Definition at line 565 of file postprocess.c.

#define LICENSE_PREFIX   "libpostproc license: "

#define OPTIONS_ARRAY_SIZE   10

Definition at line 114 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

#define TEMP_STRIDE   8

Definition at line 116 of file postprocess.c.

Function Documentation

static const char* context_to_name ( void *  ptr  )  [static]

Definition at line 928 of file postprocess.c.

DECLARE_ASM_CONST ( 8  ,
int  ,
deringThreshold   
)

static av_always_inline void do_a_deblock_C ( uint8_t *  src,
int  step,
int  stride,
PPContext *  c 
) [static]

accurate deblock filter

Definition at line 438 of file postprocess.c.

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

Definition at line 301 of file postprocess.c.

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

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 340 of file postprocess.c.

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

Definition at line 277 of file postprocess.c.

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

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 380 of file postprocess.c.

Referenced by postProcess_TMPL().

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

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

Definition at line 203 of file postprocess.c.

Referenced by horizClassify_C().

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

Definition at line 248 of file postprocess.c.

Referenced by horizClassify_C().

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

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

Definition at line 226 of file postprocess.c.

Referenced by vertClassify_C().

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

Definition at line 264 of file postprocess.c.

Referenced by vertClassify_C().

const char* postproc_configuration ( void   ) 

Return the libpostproc build-time configuration.

Definition at line 98 of file postprocess.c.

const char* postproc_license ( void   ) 

Return the libpostproc license.

Definition at line 103 of file postprocess.c.

unsigned postproc_version ( void   ) 

Return the LIBPOSTPROC_VERSION_INT constant.

Definition at line 92 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 
) [inline, static]

Definition at line 620 of file postprocess.c.

Referenced by pp_postprocess().

void pp_free_context ( void *  vc  ) 

Definition at line 957 of file postprocess.c.

void pp_free_mode ( pp_mode *  mode  ) 

Definition at line 892 of file postprocess.c.

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

Definition at line 934 of file postprocess.c.

pp_mode* pp_get_mode_by_name_and_quality ( const char *  name,
int  quality 
)

Return a pp_mode or NULL if an error occurred.

Parameters:
name the string after "-pp" on the command line
quality a number from 0 to PP_QUALITY_MAX

Definition at line 717 of file postprocess.c.

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 
)

Definition at line 978 of file postprocess.c.

static void reallocAlign ( void **  p,
int  alignment,
int  size 
) [static]

Definition at line 896 of file postprocess.c.

Referenced by reallocBuffers().

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

Definition at line 901 of file postprocess.c.

Referenced by pp_get_context(), and pp_postprocess().

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

Definition at line 289 of file postprocess.c.

Variable Documentation

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

Definition at line 932 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},
    {NULL, NULL,0,0,0,0} 
}

Definition at line 133 of file postprocess.c.

const char pp_help[]

a simple help text

Definition at line 672 of file postprocess.c.

const char* 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 156 of file postprocess.c.

Referenced by pp_get_mode_by_name_and_quality().

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