proresdsp.c File Reference

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "idctdsp.h"
#include "proresdsp.h"
#include "simple_idct_template.c"

Go to the source code of this file.

Macros
#define	IN_IDCT_DEPTH   16
#define	PRORES_ONLY
#define	BIT_DEPTH   10
#define	EXTRA_SHIFT
#define	BIT_DEPTH   12
#define	CLIP_MIN   (1 << 2)
	minimum value for clipping resulting pixels More...
#define	CLIP_MAX_10   (1 << 10) - CLIP_MIN - 1
	maximum value for clipping resulting pixels More...
#define	CLIP_MAX_12   (1 << 12) - CLIP_MIN - 1
	maximum value for clipping resulting pixels More...
#define	CLIP_10(x)   (av_clip((x), CLIP_MIN, CLIP_MAX_10))
#define	CLIP_12(x)   (av_clip((x), CLIP_MIN, CLIP_MAX_12))

Functions
static void	prores_idct_10 (int16_t *restrict block, const int16_t *restrict qmat)
	Special version of ff_simple_idct_int16_10bit() which does dequantization and scales by a factor of 2 more between the two IDCTs to account for larger scale of input coefficients. More...
static void	prores_idct_12 (int16_t *restrict block, const int16_t *restrict qmat)
static void	put_pixel (uint16_t *dst, ptrdiff_t linesize, const int16_t *in, int bits_per_raw_sample)
	Add bias value, clamp and output pixels of a slice. More...
static void	put_pixels_10 (uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
static void	put_pixels_12 (uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
static void	prores_idct_put_10_c (uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat)
static void	prores_idct_put_12_c (uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat)
av_cold void	ff_proresdsp_init (ProresDSPContext *dsp, int bits_per_raw_sample)

Macro Definition Documentation

IN_IDCT_DEPTH

#define IN_IDCT_DEPTH   16

Definition at line 31 of file proresdsp.c.

PRORES_ONLY

#define PRORES_ONLY

Definition at line 32 of file proresdsp.c.

BIT_DEPTH [1/2]

#define BIT_DEPTH   10

Definition at line 40 of file proresdsp.c.

EXTRA_SHIFT

#define EXTRA_SHIFT

Definition at line 35 of file proresdsp.c.

BIT_DEPTH [2/2]

#define BIT_DEPTH   12

Definition at line 40 of file proresdsp.c.

CLIP_MIN

#define CLIP_MIN   (1 << 2)

minimum value for clipping resulting pixels

Definition at line 77 of file proresdsp.c.

CLIP_MAX_10

#define CLIP_MAX_10   (1 << 10) - CLIP_MIN - 1

maximum value for clipping resulting pixels

Definition at line 78 of file proresdsp.c.

CLIP_MAX_12

#define CLIP_MAX_12   (1 << 12) - CLIP_MIN - 1

maximum value for clipping resulting pixels

Definition at line 79 of file proresdsp.c.

CLIP_10

#define CLIP_10

(

x

)

(av_clip((x), CLIP_MIN, CLIP_MAX_10))

Definition at line 81 of file proresdsp.c.

CLIP_12

#define CLIP_12

(

x

)

(av_clip((x), CLIP_MIN, CLIP_MAX_12))

Definition at line 82 of file proresdsp.c.

Function Documentation

prores_idct_10()

static void prores_idct_10 ( int16_t *restrict  block, const int16_t *restrict  qmat  )

static

Special version of ff_simple_idct_int16_10bit() which does dequantization and scales by a factor of 2 more between the two IDCTs to account for larger scale of input coefficients.

Definition at line 49 of file proresdsp.c.

Referenced by ff_prores_idct_wrap(), and prores_idct_put_10_c().

prores_idct_12()

static void prores_idct_12 ( int16_t *restrict  block, const int16_t *restrict  qmat  )

static

Definition at line 63 of file proresdsp.c.

Referenced by prores_idct_put_12_c().

put_pixel()

static void put_pixel ( uint16_t *  dst, ptrdiff_t  linesize, const int16_t *  in, int  bits_per_raw_sample  )

inlinestatic

Add bias value, clamp and output pixels of a slice.

Definition at line 88 of file proresdsp.c.

Referenced by gen_image(), put_pixels_10(), and put_pixels_12().

put_pixels_10()

static void put_pixels_10 ( uint16_t *  dst, ptrdiff_t  linesize, const int16_t *  in  )

static

Definition at line 102 of file proresdsp.c.

Referenced by prores_idct_put_10_c().

put_pixels_12()

static void put_pixels_12 ( uint16_t *  dst, ptrdiff_t  linesize, const int16_t *  in  )

static

Definition at line 107 of file proresdsp.c.

Referenced by prores_idct_put_12_c().

prores_idct_put_10_c()

static void prores_idct_put_10_c ( uint16_t *  out, ptrdiff_t  linesize, int16_t *  block, const int16_t *  qmat  )

static

Definition at line 112 of file proresdsp.c.

Referenced by ff_proresdsp_init().

prores_idct_put_12_c()

static void prores_idct_put_12_c ( uint16_t *  out, ptrdiff_t  linesize, int16_t *  block, const int16_t *  qmat  )

static

Definition at line 118 of file proresdsp.c.

Referenced by ff_proresdsp_init().

ff_proresdsp_init()

av_cold void ff_proresdsp_init	(	ProresDSPContext *	dsp,
		int	bits_per_raw_sample
	)

Definition at line 124 of file proresdsp.c.

Referenced by decode_init().