FFmpeg
Functions
rv34dsp.c File Reference

RV30/40 decoder common dsp functions. More...

#include "rv34dsp.h"
#include "libavutil/common.h"

Go to the source code of this file.

Functions

av_cold void ff_rv34dsp_init (RV34DSPContext *c)
 
RV30/40 inverse transform functions
static av_always_inline void rv34_row_transform (int temp[16], int16_t *block)
 
static void rv34_idct_add_c (uint8_t *dst, ptrdiff_t stride, int16_t *block)
 Real Video 3.0/4.0 inverse transform + sample reconstruction Code is almost the same as in SVQ3, only scaling is different. More...
 
static void rv34_inv_transform_noround_c (int16_t *block)
 RealVideo 3.0/4.0 inverse transform for DC block. More...
 
static void rv34_idct_dc_add_c (uint8_t *dst, ptrdiff_t stride, int dc)
 
static void rv34_inv_transform_dc_noround_c (int16_t *block)
 

Detailed Description

RV30/40 decoder common dsp functions.

Definition in file rv34dsp.c.

Function Documentation

static av_always_inline void rv34_row_transform ( int  temp[16],
int16_t *  block 
)
static

Definition at line 36 of file rv34dsp.c.

Referenced by rv34_idct_add_c(), and rv34_inv_transform_noround_c().

static void rv34_idct_add_c ( uint8_t dst,
ptrdiff_t  stride,
int16_t *  block 
)
static

Real Video 3.0/4.0 inverse transform + sample reconstruction Code is almost the same as in SVQ3, only scaling is different.

Definition at line 57 of file rv34dsp.c.

Referenced by ff_rv34dsp_init().

static void rv34_inv_transform_noround_c ( int16_t *  block)
static

RealVideo 3.0/4.0 inverse transform for DC block.

Code is almost the same as rv34_inv_transform() but final coefficients are multiplied by 1.5 and have no rounding.

Definition at line 85 of file rv34dsp.c.

Referenced by ff_rv34dsp_init().

static void rv34_idct_dc_add_c ( uint8_t dst,
ptrdiff_t  stride,
int  dc 
)
static

Definition at line 104 of file rv34dsp.c.

Referenced by ff_rv34dsp_init().

static void rv34_inv_transform_dc_noround_c ( int16_t *  block)
static

Definition at line 118 of file rv34dsp.c.

Referenced by ff_rv34dsp_init().

av_cold void ff_rv34dsp_init ( RV34DSPContext c)

Definition at line 131 of file rv34dsp.c.

Referenced by ff_rv30dsp_init(), and ff_rv40dsp_init().