proresdsp.c File Reference

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "idctdsp.h"
#include "proresdsp.h"
#include "simple_idct.h"

Go to the source code of this file.

Macros
#define	BIAS   (1 << (PRORES_BITS_PER_SAMPLE - 1))
	bias value for converting signed pixels into unsigned ones More...
#define	CLIP_MIN   (1 << (PRORES_BITS_PER_SAMPLE - 8))
	minimum value for clipping resulting pixels More...
#define	CLIP_MAX   (1 << PRORES_BITS_PER_SAMPLE) - CLIP_MIN - 1
	maximum value for clipping resulting pixels More...
#define	CLIP(x)   (av_clip((x), CLIP_MIN, CLIP_MAX))

Functions
static void	put_pixels (uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
	Add bias value, clamp and output pixels of a slice. More...
static void	prores_idct_put_c (uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat)
av_cold void	ff_proresdsp_init (ProresDSPContext *dsp, AVCodecContext *avctx)

Macro Definition Documentation

#define BIAS   (1 << (PRORES_BITS_PER_SAMPLE - 1))

bias value for converting signed pixels into unsigned ones

Definition at line 30 of file proresdsp.c.

#define CLIP_MIN   (1 << (PRORES_BITS_PER_SAMPLE - 8))

minimum value for clipping resulting pixels

Definition at line 31 of file proresdsp.c.

#define CLIP_MAX   (1 << PRORES_BITS_PER_SAMPLE) - CLIP_MIN - 1

maximum value for clipping resulting pixels

Definition at line 32 of file proresdsp.c.

#define CLIP

(

x

)

(av_clip((x), CLIP_MIN, CLIP_MAX))

Definition at line 34 of file proresdsp.c.

Referenced by put_pixels().

Function Documentation

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

static

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

Definition at line 39 of file proresdsp.c.

Referenced by prores_idct_put_c().

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

static

Definition at line 52 of file proresdsp.c.

Referenced by ff_proresdsp_init().

av_cold void ff_proresdsp_init	(	ProresDSPContext *	dsp,
		AVCodecContext *	avctx
	)

Definition at line 58 of file proresdsp.c.

Referenced by decode_init().