336 lines
13 KiB
C++
336 lines
13 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
/* VLC code
|
|
*
|
|
* Original copyright note:
|
|
* DSP functions (inverse transforms, motion compensation, wavelet recompositions)
|
|
* for Indeo Video Interactive codecs.
|
|
*/
|
|
|
|
#ifndef IMAGE_CODECS_INDEO_INDEO_DSP_H
|
|
#define IMAGE_CODECS_INDEO_INDEO_DSP_H
|
|
|
|
#include "image/codecs/indeo/mem.h"
|
|
#include "image/codecs/indeo/indeo.h"
|
|
|
|
namespace Image {
|
|
namespace Indeo {
|
|
|
|
class IndeoDSP {
|
|
public:
|
|
/**
|
|
* two-dimensional inverse Haar 8x8 transform for Indeo 4
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviInverseHaar8x8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
static void ffIviInverseHaar8x1(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
static void ffIviInverseHaar1x8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* one-dimensional inverse 8-point Haar transform on rows for Indeo 4
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviRowHaar8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* one-dimensional inverse 8-point Haar transform on columns for Indeo 4
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviColHaar8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* two-dimensional inverse Haar 4x4 transform for Indeo 4
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviInverseHaar4x4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* one-dimensional inverse 4-point Haar transform on rows for Indeo 4
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviRowHaar4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* one-dimensional inverse 4-point Haar transform on columns for Indeo 4
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviColHaar4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* DC-only two-dimensional inverse Haar transform for Indeo 4.
|
|
* Performing the inverse transform in this case is equivalent to
|
|
* spreading dcCoeff >> 3 over the whole block.
|
|
*
|
|
* @param[in] in Pointer to the dc coefficient
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] blkSize Transform block size
|
|
*/
|
|
static void ffIviDcHaar2d(const int32 *in, int16 *out, uint32 pitch,
|
|
int blkSize);
|
|
|
|
/**
|
|
* two-dimensional inverse slant 8x8 transform
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviInverseSlant8x8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* two-dimensional inverse slant 4x4 transform
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviInverseSlant4x4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* DC-only two-dimensional inverse slant transform.
|
|
* Performing the inverse slant transform in this case is equivalent to
|
|
* spreading (dcCoeff + 1)/2 over the whole block.
|
|
* It works much faster than performing the slant transform on a vector of zeroes.
|
|
*
|
|
* @param[in] in Pointer to the dc coefficient
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] blkSize Transform block size
|
|
*/
|
|
static void ffIviDcSlant2d(const int32 *in, int16 *out, uint32 pitch, int blkSize);
|
|
|
|
/**
|
|
* inverse 1D row slant transform
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags (unused here)
|
|
*/
|
|
static void ffIviRowSlant8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* inverse 1D column slant transform
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviColSlant8(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* inverse 1D row slant transform
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags (unused here)
|
|
*/
|
|
static void ffIviRowSlant4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* inverse 1D column slant transform
|
|
*
|
|
* @param[in] in Pointer to the vector of transform coefficients
|
|
* @param[out] out Pointer to the output buffer (frame)
|
|
* @param[in] pitch Pitch to move to the next y line
|
|
* @param[in] flags Pointer to the array of column flags:
|
|
* != 0 - non_empty column, 0 - empty one
|
|
* (this array must be filled by caller)
|
|
*/
|
|
static void ffIviColSlant4(const int32 *in, int16 *out, uint32 pitch,
|
|
const uint8 *flags);
|
|
|
|
/**
|
|
* DC-only inverse row slant transform
|
|
*/
|
|
static void ffIviDcRowSlant(const int32 *in, int16 *out, uint32 pitch, int blkSize);
|
|
|
|
/**
|
|
* DC-only inverse column slant transform
|
|
*/
|
|
static void ffIviDcColSlant(const int32 *in, int16 *out, uint32 pitch, int blkSize);
|
|
|
|
/**
|
|
* Copy the pixels into the frame buffer.
|
|
*/
|
|
static void ffIviPutPixels8x8(const int32 *in, int16 *out, uint32 pitch, const uint8 *flags);
|
|
|
|
/**
|
|
* Copy the DC coefficient into the first pixel of the block and
|
|
* zero all others.
|
|
*/
|
|
static void ffIviPutDcPixel8x8(const int32 *in, int16 *out, uint32 pitch, int blkSize);
|
|
|
|
/**
|
|
* 8x8 block motion compensation with adding delta
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame buffer containing delta
|
|
* @param[in] refBuf Pointer to the corresponding block in the reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type
|
|
*/
|
|
static void ffIviMc8x8Delta(int16 *buf, const int16 *refBuf, uint32 pitch, int mcType);
|
|
|
|
/**
|
|
* 4x4 block motion compensation with adding delta
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame buffer containing delta
|
|
* @param[in] refBuf Pointer to the corresponding block in the reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type
|
|
*/
|
|
static void ffIviMc4x4Delta(int16 *buf, const int16 *refBuf, uint32 pitch, int mcType);
|
|
|
|
/**
|
|
* motion compensation without adding delta
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame buffer containing delta
|
|
* @param[in] refBuf Pointer to the corresponding block in the reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type
|
|
*/
|
|
static void ffIviMc8x8NoDelta(int16 *buf, const int16 *refBuf, uint32 pitch, int mcType);
|
|
|
|
/**
|
|
* 4x4 block motion compensation without adding delta
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame receiving the result
|
|
* @param[in] refBuf Pointer to the corresponding block in the reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type
|
|
*/
|
|
static void ffIviMc4x4NoDelta(int16 *buf, const int16 *refBuf, uint32 pitch, int mcType);
|
|
|
|
/**
|
|
* 8x8 block motion compensation with adding delta
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame buffer containing delta
|
|
* @param[in] refBuf Pointer to the corresponding block in the backward reference frame
|
|
* @param[in] refBuf2 Pointer to the corresponding block in the forward reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type for backward reference
|
|
* @param[in] mcType2 Interpolation type for forward reference
|
|
*/
|
|
static void ffIviMcAvg8x8Delta(int16 *buf, const int16 *refBuf, const int16 *refBuf2, uint32 pitch, int mcType, int mcType2);
|
|
|
|
/**
|
|
* 4x4 block motion compensation with adding delta
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame buffer containing delta
|
|
* @param[in] refBuf Pointer to the corresponding block in the backward reference frame
|
|
* @param[in] refBuf2 Pointer to the corresponding block in the forward reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type for backward reference
|
|
* @param[in] mcType2 Interpolation type for forward reference
|
|
*/
|
|
static void ffIviMcAvg4x4Delta(int16 *buf, const int16 *refBuf, const int16 *refBuf2, uint32 pitch, int mcType, int mcType2);
|
|
|
|
/**
|
|
* motion compensation without adding delta for B-frames
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame buffer containing delta
|
|
* @param[in] refBuf Pointer to the corresponding block in the backward reference frame
|
|
* @param[in] refBuf2 Pointer to the corresponding block in the forward reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type for backward reference
|
|
* @param[in] mcType2 Interpolation type for forward reference
|
|
*/
|
|
static void ffIviMcAvg8x8NoDelta(int16 *buf, const int16 *refBuf, const int16 *refBuf2, uint32 pitch, int mcType, int mcType2);
|
|
|
|
/**
|
|
* 4x4 block motion compensation without adding delta for B-frames
|
|
*
|
|
* @param[in,out] buf Pointer to the block in the current frame buffer containing delta
|
|
* @param[in] refBuf Pointer to the corresponding block in the backward reference frame
|
|
* @param[in] refBuf2 Pointer to the corresponding block in the forward reference frame
|
|
* @param[in] pitch Pitch for moving to the next y line
|
|
* @param[in] mcType Interpolation type for backward reference
|
|
* @param[in] mcType2 Interpolation type for forward reference
|
|
*/
|
|
static void ffIviMcAvg4x4NoDelta(int16 *buf, const int16 *refBuf, const int16 *refBuf2, uint32 pitch, int mcType, int mcType2);
|
|
};
|
|
|
|
} // End of namespace Indeo
|
|
} // End of namespace Image
|
|
|
|
#endif
|