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
337
338
339
340
341
342
343
344
345
346
347
|
/*
* DSP functions for Indeo Video Interactive codecs (Indeo4 and Indeo5)
*
* Copyright (c) 2009-2011 Maxim Poliakovski
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* DSP functions (inverse transforms, motion compensations, wavelet recomposition)
* for Indeo Video Interactive codecs.
*/
#ifndef AVCODEC_IVI_DSP_H
#define AVCODEC_IVI_DSP_H
#include <stdint.h>
#include "ivi.h"
/**
* 5/3 wavelet recomposition filter for Indeo5
*
* @param[in] plane pointer to the descriptor of the plane being processed
* @param[out] dst pointer to the destination buffer
* @param[in] dst_pitch pitch of the destination buffer
*/
void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst,
const int dst_pitch);
/**
* Haar wavelet recomposition filter for Indeo 4
*
* @param[in] plane pointer to the descriptor of the plane being processed
* @param[out] dst pointer to the destination buffer
* @param[in] dst_pitch pitch of the destination buffer
*/
void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst,
const int dst_pitch);
/**
* 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)
*/
void ff_ivi_inverse_haar_8x8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *flags);
void ff_ivi_inverse_haar_8x1(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *flags);
void ff_ivi_inverse_haar_1x8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_row_haar8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_col_haar8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_inverse_haar_4x4(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_row_haar4(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_col_haar4(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *flags);
/**
* DC-only two-dimensional inverse Haar transform for Indeo 4.
* Performing the inverse transform in this case is equivalent to
* spreading DC_coeff >> 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] blk_size transform block size
*/
void ff_ivi_dc_haar_2d(const int32_t *in, int16_t *out, uint32_t pitch,
int blk_size);
/**
* 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)
*/
void ff_ivi_inverse_slant_8x8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_inverse_slant_4x4(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *flags);
/**
* DC-only two-dimensional inverse slant transform.
* Performing the inverse slant transform in this case is equivalent to
* spreading (DC_coeff + 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] blk_size transform block size
*/
void ff_ivi_dc_slant_2d(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
/**
* 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)
*/
void ff_ivi_row_slant8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_col_slant8(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_row_slant4(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *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)
*/
void ff_ivi_col_slant4(const int32_t *in, int16_t *out, uint32_t pitch,
const uint8_t *flags);
/**
* DC-only inverse row slant transform
*/
void ff_ivi_dc_row_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
/**
* DC-only inverse column slant transform
*/
void ff_ivi_dc_col_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
/**
* Copy the pixels into the frame buffer.
*/
void ff_ivi_put_pixels_8x8(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags);
/**
* Copy the DC coefficient into the first pixel of the block and
* zero all others.
*/
void ff_ivi_put_dc_pixel_8x8(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
/**
* 8x8 block motion compensation with adding delta
*
* @param[in,out] buf pointer to the block in the current frame buffer containing delta
* @param[in] ref_buf pointer to the corresponding block in the reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type
*/
void ff_ivi_mc_8x8_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
/**
* 4x4 block motion compensation with adding delta
*
* @param[in,out] buf pointer to the block in the current frame buffer containing delta
* @param[in] ref_buf pointer to the corresponding block in the reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type
*/
void ff_ivi_mc_4x4_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
/**
* motion compensation without adding delta
*
* @param[in,out] buf pointer to the block in the current frame receiving the result
* @param[in] ref_buf pointer to the corresponding block in the reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type
*/
void ff_ivi_mc_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
/**
* 4x4 block motion compensation without adding delta
*
* @param[in,out] buf pointer to the block in the current frame receiving the result
* @param[in] ref_buf pointer to the corresponding block in the reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type
*/
void ff_ivi_mc_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
/**
* 8x8 block motion compensation with adding delta
*
* @param[in,out] buf pointer to the block in the current frame buffer containing delta
* @param[in] ref_buf pointer to the corresponding block in the backward reference frame
* @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type for backward reference
* @param[in] mc_type2 interpolation type for forward reference
*/
void ff_ivi_mc_avg_8x8_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
/**
* 4x4 block motion compensation with adding delta
*
* @param[in,out] buf pointer to the block in the current frame buffer containing delta
* @param[in] ref_buf pointer to the corresponding block in the backward reference frame
* @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type for backward reference
* @param[in] mc_type2 interpolation type for forward reference
*/
void ff_ivi_mc_avg_4x4_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
/**
* motion compensation without adding delta for B-frames
*
* @param[in,out] buf pointer to the block in the current frame receiving the result
* @param[in] ref_buf pointer to the corresponding block in the backward reference frame
* @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type for backward reference
* @param[in] mc_type2 interpolation type for forward reference
*/
void ff_ivi_mc_avg_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
/**
* 4x4 block motion compensation without adding delta for B-frames
*
* @param[in,out] buf pointer to the block in the current frame receiving the result
* @param[in] ref_buf pointer to the corresponding block in the backward reference frame
* @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
* @param[in] pitch pitch for moving to the next y line
* @param[in] mc_type interpolation type for backward reference
* @param[in] mc_type2 interpolation type for forward reference
*/
void ff_ivi_mc_avg_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, uint32_t pitch, int mc_type, int mc_type2);
#endif /* AVCODEC_IVI_DSP_H */
|
