1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
|
/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/* 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
|
