2 * DSP functions for Indeo Video Interactive codecs (Indeo4 and Indeo5)
4 * Copyright (c) 2009-2011 Maxim Poliakovski
6 * This file is part of Libav.
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9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
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16 * Lesser General Public License for more details.
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19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 * DSP functions (inverse transforms, motion compensations, wavelet recompostion)
26 * for Indeo Video Interactive codecs.
29 #ifndef AVCODEC_IVI_DSP_H
30 #define AVCODEC_IVI_DSP_H
33 #include "ivi_common.h"
36 * 5/3 wavelet recomposition filter for Indeo5
38 * @param[in] plane pointer to the descriptor of the plane being processed
39 * @param[out] dst pointer to the destination buffer
40 * @param[in] dst_pitch pitch of the destination buffer
42 void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst,
46 * Haar wavelet recomposition filter for Indeo 4
48 * @param[in] plane pointer to the descriptor of the plane being processed
49 * @param[out] dst pointer to the destination buffer
50 * @param[in] dst_pitch pitch of the destination buffer
52 void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst,
56 * two-dimensional inverse Haar 8x8 transform for Indeo 4
58 * @param[in] in pointer to the vector of transform coefficients
59 * @param[out] out pointer to the output buffer (frame)
60 * @param[in] pitch pitch to move to the next y line
61 * @param[in] flags pointer to the array of column flags:
62 * != 0 - non_empty column, 0 - empty one
63 * (this array must be filled by caller)
65 void ff_ivi_inverse_haar_8x8(const int32_t *in, int16_t *out, uint32_t pitch,
66 const uint8_t *flags);
69 * one-dimensional inverse 8-point Haar transform on rows for Indeo 4
71 * @param[in] in pointer to the vector of transform coefficients
72 * @param[out] out pointer to the output buffer (frame)
73 * @param[in] pitch pitch to move to the next y line
74 * @param[in] flags pointer to the array of column flags:
75 * != 0 - non_empty column, 0 - empty one
76 * (this array must be filled by caller)
78 void ff_ivi_row_haar8(const int32_t *in, int16_t *out, uint32_t pitch,
79 const uint8_t *flags);
82 * one-dimensional inverse 8-point Haar transform on columns for Indeo 4
84 * @param[in] in pointer to the vector of transform coefficients
85 * @param[out] out pointer to the output buffer (frame)
86 * @param[in] pitch pitch to move to the next y line
87 * @param[in] flags pointer to the array of column flags:
88 * != 0 - non_empty column, 0 - empty one
89 * (this array must be filled by caller)
91 void ff_ivi_col_haar8(const int32_t *in, int16_t *out, uint32_t pitch,
92 const uint8_t *flags);
95 * two-dimensional inverse Haar 4x4 transform for Indeo 4
97 * @param[in] in pointer to the vector of transform coefficients
98 * @param[out] out pointer to the output buffer (frame)
99 * @param[in] pitch pitch to move to the next y line
100 * @param[in] flags pointer to the array of column flags:
101 * != 0 - non_empty column, 0 - empty one
102 * (this array must be filled by caller)
104 void ff_ivi_inverse_haar_4x4(const int32_t *in, int16_t *out, uint32_t pitch,
105 const uint8_t *flags);
108 * one-dimensional inverse 4-point Haar transform on rows for Indeo 4
110 * @param[in] in pointer to the vector of transform coefficients
111 * @param[out] out pointer to the output buffer (frame)
112 * @param[in] pitch pitch to move to the next y line
113 * @param[in] flags pointer to the array of column flags:
114 * != 0 - non_empty column, 0 - empty one
115 * (this array must be filled by caller)
117 void ff_ivi_row_haar4(const int32_t *in, int16_t *out, uint32_t pitch,
118 const uint8_t *flags);
121 * one-dimensional inverse 4-point Haar transform on columns for Indeo 4
123 * @param[in] in pointer to the vector of transform coefficients
124 * @param[out] out pointer to the output buffer (frame)
125 * @param[in] pitch pitch to move to the next y line
126 * @param[in] flags pointer to the array of column flags:
127 * != 0 - non_empty column, 0 - empty one
128 * (this array must be filled by caller)
130 void ff_ivi_col_haar4(const int32_t *in, int16_t *out, uint32_t pitch,
131 const uint8_t *flags);
134 * DC-only two-dimensional inverse Haar transform for Indeo 4.
135 * Performing the inverse transform in this case is equivalent to
136 * spreading DC_coeff >> 3 over the whole block.
138 * @param[in] in pointer to the dc coefficient
139 * @param[out] out pointer to the output buffer (frame)
140 * @param[in] pitch pitch to move to the next y line
141 * @param[in] blk_size transform block size
143 void ff_ivi_dc_haar_2d(const int32_t *in, int16_t *out, uint32_t pitch,
147 * two-dimensional inverse slant 8x8 transform
149 * @param[in] in pointer to the vector of transform coefficients
150 * @param[out] out pointer to the output buffer (frame)
151 * @param[in] pitch pitch to move to the next y line
152 * @param[in] flags pointer to the array of column flags:
153 * != 0 - non_empty column, 0 - empty one
154 * (this array must be filled by caller)
156 void ff_ivi_inverse_slant_8x8(const int32_t *in, int16_t *out, uint32_t pitch,
157 const uint8_t *flags);
160 * two-dimensional inverse slant 4x4 transform
162 * @param[in] in pointer to the vector of transform coefficients
163 * @param[out] out pointer to the output buffer (frame)
164 * @param[in] pitch pitch to move to the next y line
165 * @param[in] flags pointer to the array of column flags:
166 * != 0 - non_empty column, 0 - empty one
167 * (this array must be filled by caller)
169 void ff_ivi_inverse_slant_4x4(const int32_t *in, int16_t *out, uint32_t pitch,
170 const uint8_t *flags);
173 * DC-only two-dimensional inverse slant transform.
174 * Performing the inverse slant transform in this case is equivalent to
175 * spreading (DC_coeff + 1)/2 over the whole block.
176 * It works much faster than performing the slant transform on a vector of zeroes.
178 * @param[in] in pointer to the dc coefficient
179 * @param[out] out pointer to the output buffer (frame)
180 * @param[in] pitch pitch to move to the next y line
181 * @param[in] blk_size transform block size
183 void ff_ivi_dc_slant_2d(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
186 * inverse 1D row slant transform
188 * @param[in] in pointer to the vector of transform coefficients
189 * @param[out] out pointer to the output buffer (frame)
190 * @param[in] pitch pitch to move to the next y line
191 * @param[in] flags pointer to the array of column flags (unused here)
193 void ff_ivi_row_slant8(const int32_t *in, int16_t *out, uint32_t pitch,
194 const uint8_t *flags);
197 * inverse 1D column slant transform
199 * @param[in] in pointer to the vector of transform coefficients
200 * @param[out] out pointer to the output buffer (frame)
201 * @param[in] pitch pitch to move to the next y line
202 * @param[in] flags pointer to the array of column flags:
203 * != 0 - non_empty column, 0 - empty one
204 * (this array must be filled by caller)
206 void ff_ivi_col_slant8(const int32_t *in, int16_t *out, uint32_t pitch,
207 const uint8_t *flags);
210 * inverse 1D row slant transform
212 * @param[in] in pointer to the vector of transform coefficients
213 * @param[out] out pointer to the output buffer (frame)
214 * @param[in] pitch pitch to move to the next y line
215 * @param[in] flags pointer to the array of column flags (unused here)
217 void ff_ivi_row_slant4(const int32_t *in, int16_t *out, uint32_t pitch,
218 const uint8_t *flags);
221 * inverse 1D column slant transform
223 * @param[in] in pointer to the vector of transform coefficients
224 * @param[out] out pointer to the output buffer (frame)
225 * @param[in] pitch pitch to move to the next y line
226 * @param[in] flags pointer to the array of column flags:
227 * != 0 - non_empty column, 0 - empty one
228 * (this array must be filled by caller)
230 void ff_ivi_col_slant4(const int32_t *in, int16_t *out, uint32_t pitch,
231 const uint8_t *flags);
234 * DC-only inverse row slant transform
236 void ff_ivi_dc_row_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
239 * DC-only inverse column slant transform
241 void ff_ivi_dc_col_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
244 * Copy the pixels into the frame buffer.
246 void ff_ivi_put_pixels_8x8(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags);
249 * Copy the DC coefficient into the first pixel of the block and
252 void ff_ivi_put_dc_pixel_8x8(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size);
255 * 8x8 block motion compensation with adding delta
257 * @param[in,out] buf pointer to the block in the current frame buffer containing delta
258 * @param[in] ref_buf pointer to the corresponding block in the reference frame
259 * @param[in] pitch pitch for moving to the next y line
260 * @param[in] mc_type interpolation type
262 void ff_ivi_mc_8x8_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
265 * 4x4 block motion compensation with adding delta
267 * @param[in,out] buf pointer to the block in the current frame buffer containing delta
268 * @param[in] ref_buf pointer to the corresponding block in the reference frame
269 * @param[in] pitch pitch for moving to the next y line
270 * @param[in] mc_type interpolation type
272 void ff_ivi_mc_4x4_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
275 * motion compensation without adding delta
277 * @param[in,out] buf pointer to the block in the current frame receiving the result
278 * @param[in] ref_buf pointer to the corresponding block in the reference frame
279 * @param[in] pitch pitch for moving to the next y line
280 * @param[in] mc_type interpolation type
282 void ff_ivi_mc_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
285 * 4x4 block motion compensation without adding delta
287 * @param[in,out] buf pointer to the block in the current frame receiving the result
288 * @param[in] ref_buf pointer to the corresponding block in the reference frame
289 * @param[in] pitch pitch for moving to the next y line
290 * @param[in] mc_type interpolation type
292 void ff_ivi_mc_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
295 * 8x8 block motion compensation with adding delta
297 * @param[in,out] buf pointer to the block in the current frame buffer containing delta
298 * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
299 * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
300 * @param[in] pitch pitch for moving to the next y line
301 * @param[in] mc_type interpolation type for backward reference
302 * @param[in] mc_type2 interpolation type for forward reference
304 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);
307 * 4x4 block motion compensation with adding delta
309 * @param[in,out] buf pointer to the block in the current frame buffer containing delta
310 * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
311 * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
312 * @param[in] pitch pitch for moving to the next y line
313 * @param[in] mc_type interpolation type for backward reference
314 * @param[in] mc_type2 interpolation type for forward reference
316 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);
319 * motion compensation without adding delta for B-frames
321 * @param[in,out] buf pointer to the block in the current frame receiving the result
322 * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
323 * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
324 * @param[in] pitch pitch for moving to the next y line
325 * @param[in] mc_type interpolation type for backward reference
326 * @param[in] mc_type2 interpolation type for forward reference
328 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);
331 * 4x4 block motion compensation without adding delta for B-frames
333 * @param[in,out] buf pointer to the block in the current frame receiving the result
334 * @param[in] ref_buf pointer to the corresponding block in the backward reference frame
335 * @param[in] ref_buf2 pointer to the corresponding block in the forward reference frame
336 * @param[in] pitch pitch for moving to the next y line
337 * @param[in] mc_type interpolation type for backward reference
338 * @param[in] mc_type2 interpolation type for forward reference
340 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);
342 #endif /* AVCODEC_IVI_DSP_H */