Line | Branch | Exec | Source |
---|---|---|---|
1 | /* | ||
2 | * common functions for Indeo Video Interactive codecs (Indeo4 and Indeo5) | ||
3 | * | ||
4 | * Copyright (c) 2009 Maxim Poliakovski | ||
5 | * | ||
6 | * This file is part of FFmpeg. | ||
7 | * | ||
8 | * FFmpeg is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU Lesser General Public | ||
10 | * License as published by the Free Software Foundation; either | ||
11 | * version 2.1 of the License, or (at your option) any later version. | ||
12 | * | ||
13 | * FFmpeg is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * Lesser General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU Lesser General Public | ||
19 | * License along with FFmpeg; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
21 | */ | ||
22 | |||
23 | /** | ||
24 | * @file | ||
25 | * This file contains functions and data shared by both Indeo4 and | ||
26 | * Indeo5 decoders. | ||
27 | */ | ||
28 | |||
29 | #include <inttypes.h> | ||
30 | |||
31 | #include "libavutil/attributes.h" | ||
32 | #include "libavutil/imgutils.h" | ||
33 | #include "libavutil/thread.h" | ||
34 | |||
35 | #define BITSTREAM_READER_LE | ||
36 | #include "avcodec.h" | ||
37 | #include "decode.h" | ||
38 | #include "get_bits.h" | ||
39 | #include "ivi.h" | ||
40 | #include "ivi_dsp.h" | ||
41 | |||
42 | /** | ||
43 | * These are 2x8 predefined Huffman codebooks for coding macroblock/block | ||
44 | * signals. They are specified using "huffman descriptors" in order to | ||
45 | * avoid huge static tables. The decoding tables will be generated at | ||
46 | * startup from these descriptors. | ||
47 | */ | ||
48 | /** static macroblock huffman tables */ | ||
49 | static const IVIHuffDesc ivi_mb_huff_desc[8] = { | ||
50 | {8, {0, 4, 5, 4, 4, 4, 6, 6}}, | ||
51 | {12, {0, 2, 2, 3, 3, 3, 3, 5, 3, 2, 2, 2}}, | ||
52 | {12, {0, 2, 3, 4, 3, 3, 3, 3, 4, 3, 2, 2}}, | ||
53 | {12, {0, 3, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2}}, | ||
54 | {13, {0, 4, 4, 3, 3, 3, 3, 2, 3, 3, 2, 1, 1}}, | ||
55 | {9, {0, 4, 4, 4, 4, 3, 3, 3, 2}}, | ||
56 | {10, {0, 4, 4, 4, 4, 3, 3, 2, 2, 2}}, | ||
57 | {12, {0, 4, 4, 4, 3, 3, 2, 3, 2, 2, 2, 2}} | ||
58 | }; | ||
59 | |||
60 | /** static block huffman tables */ | ||
61 | static const IVIHuffDesc ivi_blk_huff_desc[8] = { | ||
62 | {10, {1, 2, 3, 4, 4, 7, 5, 5, 4, 1}}, | ||
63 | {11, {2, 3, 4, 4, 4, 7, 5, 4, 3, 3, 2}}, | ||
64 | {12, {2, 4, 5, 5, 5, 5, 6, 4, 4, 3, 1, 1}}, | ||
65 | {13, {3, 3, 4, 4, 5, 6, 6, 4, 4, 3, 2, 1, 1}}, | ||
66 | {11, {3, 4, 4, 5, 5, 5, 6, 5, 4, 2, 2}}, | ||
67 | {13, {3, 4, 5, 5, 5, 5, 6, 4, 3, 3, 2, 1, 1}}, | ||
68 | {13, {3, 4, 5, 5, 5, 6, 5, 4, 3, 3, 2, 1, 1}}, | ||
69 | {9, {3, 4, 4, 5, 5, 5, 6, 5, 5}} | ||
70 | }; | ||
71 | |||
72 | static VLC ivi_mb_vlc_tabs [8]; ///< static macroblock Huffman tables | ||
73 | static VLC ivi_blk_vlc_tabs[8]; ///< static block Huffman tables | ||
74 | |||
75 | typedef void (*ivi_mc_func) (int16_t *buf, const int16_t *ref_buf, | ||
76 | ptrdiff_t pitch, int mc_type); | ||
77 | typedef void (*ivi_mc_avg_func) (int16_t *buf, const int16_t *ref_buf1, | ||
78 | const int16_t *ref_buf2, | ||
79 | ptrdiff_t pitch, int mc_type, int mc_type2); | ||
80 | |||
81 | 142082 | static int ivi_mc(const IVIBandDesc *band, ivi_mc_func mc, ivi_mc_avg_func mc_avg, | |
82 | int offs, int mv_x, int mv_y, int mv_x2, int mv_y2, | ||
83 | int mc_type, int mc_type2) | ||
84 | { | ||
85 | 142082 | int ref_offs = offs + mv_y * band->pitch + mv_x; | |
86 | 142082 | int buf_size = band->pitch * band->aheight; | |
87 | 142082 | int min_size = band->pitch * (band->blk_size - 1) + band->blk_size; | |
88 | 142082 | int ref_size = (mc_type > 1) * band->pitch + (mc_type & 1); | |
89 | |||
90 |
1/2✓ Branch 0 taken 142082 times.
✗ Branch 1 not taken.
|
142082 | if (mc_type != -1) { |
91 |
3/6✓ Branch 0 taken 142082 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 142082 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 142082 times.
|
142082 | av_assert0(offs >= 0 && ref_offs >= 0 && band->ref_buf); |
92 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 142082 times.
|
142082 | av_assert0(buf_size - min_size >= offs); |
93 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 142082 times.
|
142082 | av_assert0(buf_size - min_size - ref_size >= ref_offs); |
94 | } | ||
95 | |||
96 |
1/2✓ Branch 0 taken 142082 times.
✗ Branch 1 not taken.
|
142082 | if (mc_type2 == -1) { |
97 | 142082 | mc(band->buf + offs, band->ref_buf + ref_offs, band->pitch, mc_type); | |
98 | } else { | ||
99 | ✗ | int ref_offs2 = offs + mv_y2 * band->pitch + mv_x2; | |
100 | ✗ | int ref_size2 = (mc_type2 > 1) * band->pitch + (mc_type2 & 1); | |
101 | ✗ | if (offs < 0 || ref_offs2 < 0 || !band->b_ref_buf) | |
102 | ✗ | return AVERROR_INVALIDDATA; | |
103 | ✗ | if (buf_size - min_size - ref_size2 < ref_offs2) | |
104 | ✗ | return AVERROR_INVALIDDATA; | |
105 | |||
106 | ✗ | if (mc_type == -1) | |
107 | ✗ | mc(band->buf + offs, band->b_ref_buf + ref_offs2, | |
108 | ✗ | band->pitch, mc_type2); | |
109 | else | ||
110 | ✗ | mc_avg(band->buf + offs, band->ref_buf + ref_offs, | |
111 | ✗ | band->b_ref_buf + ref_offs2, band->pitch, | |
112 | mc_type, mc_type2); | ||
113 | } | ||
114 | |||
115 | 142082 | return 0; | |
116 | } | ||
117 | |||
118 | /* | ||
119 | * Generate a huffman codebook from the given descriptor | ||
120 | * and convert it into the FFmpeg VLC table. | ||
121 | * | ||
122 | * @param[in] cb pointer to codebook descriptor | ||
123 | * @param[out] vlc where to place the generated VLC table | ||
124 | * @param[in] flag flag: 1 - for static or 0 for dynamic tables | ||
125 | * @return result code: 0 - OK, -1 = error (invalid codebook descriptor) | ||
126 | */ | ||
127 | 147 | static int ivi_create_huff_from_desc(const IVIHuffDesc *cb, VLC *vlc, int flag) | |
128 | { | ||
129 | int pos, i, j, codes_per_row, prefix, not_last_row; | ||
130 | uint16_t codewords[256]; /* FIXME: move this temporal storage out? */ | ||
131 | uint8_t bits[256]; | ||
132 | |||
133 | 147 | pos = 0; /* current position = 0 */ | |
134 | |||
135 |
2/2✓ Branch 0 taken 1427 times.
✓ Branch 1 taken 147 times.
|
1574 | for (i = 0; i < cb->num_rows; i++) { |
136 | 1427 | codes_per_row = 1 << cb->xbits[i]; | |
137 | 1427 | not_last_row = (i != cb->num_rows - 1); | |
138 | 1427 | prefix = ((1 << i) - 1) << (cb->xbits[i] + not_last_row); | |
139 | |||
140 |
2/2✓ Branch 0 taken 32695 times.
✓ Branch 1 taken 1388 times.
|
34083 | for (j = 0; j < codes_per_row; j++) { |
141 |
2/2✓ Branch 0 taken 39 times.
✓ Branch 1 taken 32656 times.
|
32695 | if (pos >= 256) /* Some Indeo5 codebooks can have more than 256 */ |
142 | 39 | break; /* elements, but only 256 codes are allowed! */ | |
143 | |||
144 | 32656 | bits[pos] = i + cb->xbits[i] + not_last_row; | |
145 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 32656 times.
|
32656 | if (bits[pos] > IVI_VLC_BITS) |
146 | ✗ | return AVERROR_INVALIDDATA; /* invalid descriptor */ | |
147 | |||
148 | 32656 | codewords[pos] = prefix | j; | |
149 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 32656 times.
|
32656 | if (!bits[pos]) |
150 | ✗ | bits[pos] = 1; | |
151 | |||
152 | 32656 | pos++; | |
153 | }//for j | ||
154 | }//for i | ||
155 | |||
156 | /* number of codewords = pos */ | ||
157 |
2/2✓ Branch 0 taken 32 times.
✓ Branch 1 taken 115 times.
|
147 | return vlc_init(vlc, IVI_VLC_BITS, pos, bits, 1, 1, codewords, 2, 2, |
158 | (flag ? VLC_INIT_USE_STATIC : 0) | VLC_INIT_OUTPUT_LE); | ||
159 | } | ||
160 | |||
161 | 2 | static av_cold void ivi_init_static_vlc(void) | |
162 | { | ||
163 | int i; | ||
164 | static VLCElem table_data[8192 * 16]; | ||
165 | |||
166 |
2/2✓ Branch 0 taken 16 times.
✓ Branch 1 taken 2 times.
|
18 | for (i = 0; i < 8; i++) { |
167 | 16 | ivi_mb_vlc_tabs[i].table = table_data + i * 2 * 8192; | |
168 | 16 | ivi_mb_vlc_tabs[i].table_allocated = 8192; | |
169 | 16 | ivi_create_huff_from_desc(&ivi_mb_huff_desc[i], | |
170 | &ivi_mb_vlc_tabs[i], 1); | ||
171 | 16 | ivi_blk_vlc_tabs[i].table = table_data + (i * 2 + 1) * 8192; | |
172 | 16 | ivi_blk_vlc_tabs[i].table_allocated = 8192; | |
173 | 16 | ivi_create_huff_from_desc(&ivi_blk_huff_desc[i], | |
174 | &ivi_blk_vlc_tabs[i], 1); | ||
175 | } | ||
176 | 2 | } | |
177 | |||
178 | 4 | av_cold void ff_ivi_init_static_vlc(void) | |
179 | { | ||
180 | static AVOnce init_static_once = AV_ONCE_INIT; | ||
181 | 4 | ff_thread_once(&init_static_once, ivi_init_static_vlc); | |
182 | 4 | } | |
183 | |||
184 | /* | ||
185 | * Copy huffman codebook descriptors. | ||
186 | * | ||
187 | * @param[out] dst ptr to the destination descriptor | ||
188 | * @param[in] src ptr to the source descriptor | ||
189 | */ | ||
190 | 115 | static void ivi_huff_desc_copy(IVIHuffDesc *dst, const IVIHuffDesc *src) | |
191 | { | ||
192 | 115 | dst->num_rows = src->num_rows; | |
193 | 115 | memcpy(dst->xbits, src->xbits, src->num_rows); | |
194 | 115 | } | |
195 | |||
196 | /* | ||
197 | * Compare two huffman codebook descriptors. | ||
198 | * | ||
199 | * @param[in] desc1 ptr to the 1st descriptor to compare | ||
200 | * @param[in] desc2 ptr to the 2nd descriptor to compare | ||
201 | * @return comparison result: 0 - equal, 1 - not equal | ||
202 | */ | ||
203 | 215 | static int ivi_huff_desc_cmp(const IVIHuffDesc *desc1, | |
204 | const IVIHuffDesc *desc2) | ||
205 | { | ||
206 |
2/2✓ Branch 0 taken 120 times.
✓ Branch 1 taken 95 times.
|
335 | return desc1->num_rows != desc2->num_rows || |
207 |
2/2✓ Branch 0 taken 20 times.
✓ Branch 1 taken 100 times.
|
120 | memcmp(desc1->xbits, desc2->xbits, desc1->num_rows); |
208 | } | ||
209 | |||
210 | 1035 | int ff_ivi_dec_huff_desc(GetBitContext *gb, int desc_coded, int which_tab, | |
211 | IVIHuffTab *huff_tab, AVCodecContext *avctx) | ||
212 | { | ||
213 | int i, result; | ||
214 | IVIHuffDesc new_huff; | ||
215 | |||
216 |
2/2✓ Branch 0 taken 101 times.
✓ Branch 1 taken 934 times.
|
1035 | if (!desc_coded) { |
217 | /* select default table */ | ||
218 | 101 | huff_tab->tab = (which_tab) ? &ivi_blk_vlc_tabs[7] | |
219 |
1/2✓ Branch 0 taken 101 times.
✗ Branch 1 not taken.
|
101 | : &ivi_mb_vlc_tabs [7]; |
220 | 101 | return 0; | |
221 | } | ||
222 | |||
223 | 934 | huff_tab->tab_sel = get_bits(gb, 3); | |
224 |
2/2✓ Branch 0 taken 215 times.
✓ Branch 1 taken 719 times.
|
934 | if (huff_tab->tab_sel == 7) { |
225 | /* custom huffman table (explicitly encoded) */ | ||
226 | 215 | new_huff.num_rows = get_bits(gb, 4); | |
227 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 215 times.
|
215 | if (!new_huff.num_rows) { |
228 | ✗ | av_log(avctx, AV_LOG_ERROR, "Empty custom Huffman table!\n"); | |
229 | ✗ | return AVERROR_INVALIDDATA; | |
230 | } | ||
231 | |||
232 |
2/2✓ Branch 0 taken 1892 times.
✓ Branch 1 taken 215 times.
|
2107 | for (i = 0; i < new_huff.num_rows; i++) |
233 | 1892 | new_huff.xbits[i] = get_bits(gb, 4); | |
234 | |||
235 | /* Have we got the same custom table? Rebuild if not. */ | ||
236 |
3/4✓ Branch 1 taken 100 times.
✓ Branch 2 taken 115 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 100 times.
|
215 | if (ivi_huff_desc_cmp(&new_huff, &huff_tab->cust_desc) || !huff_tab->cust_tab.table) { |
237 | 115 | ivi_huff_desc_copy(&huff_tab->cust_desc, &new_huff); | |
238 | |||
239 |
2/2✓ Branch 0 taken 111 times.
✓ Branch 1 taken 4 times.
|
115 | if (huff_tab->cust_tab.table) |
240 | 111 | ff_vlc_free(&huff_tab->cust_tab); | |
241 | 115 | result = ivi_create_huff_from_desc(&huff_tab->cust_desc, | |
242 | &huff_tab->cust_tab, 0); | ||
243 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 115 times.
|
115 | if (result) { |
244 | // reset faulty description | ||
245 | ✗ | huff_tab->cust_desc.num_rows = 0; | |
246 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
247 | "Error while initializing custom vlc table!\n"); | ||
248 | ✗ | return result; | |
249 | } | ||
250 | } | ||
251 | 215 | huff_tab->tab = &huff_tab->cust_tab; | |
252 | } else { | ||
253 | /* select one of predefined tables */ | ||
254 | 719 | huff_tab->tab = (which_tab) ? &ivi_blk_vlc_tabs[huff_tab->tab_sel] | |
255 |
2/2✓ Branch 0 taken 528 times.
✓ Branch 1 taken 191 times.
|
719 | : &ivi_mb_vlc_tabs [huff_tab->tab_sel]; |
256 | } | ||
257 | |||
258 | 934 | return 0; | |
259 | } | ||
260 | |||
261 | /* | ||
262 | * Free planes, bands and macroblocks buffers. | ||
263 | * | ||
264 | * @param[in] planes pointer to the array of the plane descriptors | ||
265 | */ | ||
266 | 8 | static av_cold void ivi_free_buffers(IVIPlaneDesc *planes) | |
267 | { | ||
268 | int p, b, t; | ||
269 | |||
270 |
2/2✓ Branch 0 taken 24 times.
✓ Branch 1 taken 8 times.
|
32 | for (p = 0; p < 3; p++) { |
271 |
2/2✓ Branch 0 taken 12 times.
✓ Branch 1 taken 12 times.
|
24 | if (planes[p].bands) { |
272 |
2/2✓ Branch 0 taken 12 times.
✓ Branch 1 taken 12 times.
|
24 | for (b = 0; b < planes[p].num_bands; b++) { |
273 | 12 | IVIBandDesc *band = &planes[p].bands[b]; | |
274 | 12 | av_freep(&band->bufs[0]); | |
275 | 12 | av_freep(&band->bufs[1]); | |
276 | 12 | av_freep(&band->bufs[2]); | |
277 | 12 | av_freep(&band->bufs[3]); | |
278 | |||
279 |
2/2✓ Branch 0 taken 3 times.
✓ Branch 1 taken 9 times.
|
12 | if (band->blk_vlc.cust_tab.table) |
280 | 3 | ff_vlc_free(&band->blk_vlc.cust_tab); | |
281 |
2/2✓ Branch 0 taken 6 times.
✓ Branch 1 taken 12 times.
|
18 | for (t = 0; t < band->num_tiles; t++) |
282 | 6 | av_freep(&band->tiles[t].mbs); | |
283 | 12 | av_freep(&band->tiles); | |
284 | } | ||
285 | } | ||
286 | 24 | av_freep(&planes[p].bands); | |
287 | 24 | planes[p].num_bands = 0; | |
288 | } | ||
289 | 8 | } | |
290 | |||
291 | 4 | av_cold int ff_ivi_init_planes(AVCodecContext *avctx, IVIPlaneDesc *planes, const IVIPicConfig *cfg, | |
292 | int is_indeo4) | ||
293 | { | ||
294 | int p, b; | ||
295 | uint32_t b_width, b_height, align_fac, width_aligned, | ||
296 | height_aligned, buf_size; | ||
297 | IVIBandDesc *band; | ||
298 | |||
299 | 4 | ivi_free_buffers(planes); | |
300 | |||
301 |
1/2✓ Branch 1 taken 4 times.
✗ Branch 2 not taken.
|
4 | if (av_image_check_size2(cfg->pic_width, cfg->pic_height, avctx->max_pixels, AV_PIX_FMT_YUV410P, 0, avctx) < 0 || |
302 |
2/4✓ Branch 0 taken 4 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 4 times.
|
4 | cfg->luma_bands < 1 || cfg->chroma_bands < 1) |
303 | ✗ | return AVERROR_INVALIDDATA; | |
304 | |||
305 | /* fill in the descriptor of the luminance plane */ | ||
306 | 4 | planes[0].width = cfg->pic_width; | |
307 | 4 | planes[0].height = cfg->pic_height; | |
308 | 4 | planes[0].num_bands = cfg->luma_bands; | |
309 | |||
310 | /* fill in the descriptors of the chrominance planes */ | ||
311 | 4 | planes[1].width = planes[2].width = (cfg->pic_width + 3) >> 2; | |
312 | 4 | planes[1].height = planes[2].height = (cfg->pic_height + 3) >> 2; | |
313 | 4 | planes[1].num_bands = planes[2].num_bands = cfg->chroma_bands; | |
314 | |||
315 |
2/2✓ Branch 0 taken 12 times.
✓ Branch 1 taken 4 times.
|
16 | for (p = 0; p < 3; p++) { |
316 | 12 | planes[p].bands = av_calloc(planes[p].num_bands, sizeof(*planes[p].bands)); | |
317 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 12 times.
|
12 | if (!planes[p].bands) |
318 | ✗ | return AVERROR(ENOMEM); | |
319 | |||
320 | /* select band dimensions: if there is only one band then it | ||
321 | * has the full size, if there are several bands each of them | ||
322 | * has only half size */ | ||
323 | 36 | b_width = planes[p].num_bands == 1 ? planes[p].width | |
324 |
1/2✓ Branch 0 taken 12 times.
✗ Branch 1 not taken.
|
12 | : (planes[p].width + 1) >> 1; |
325 | 36 | b_height = planes[p].num_bands == 1 ? planes[p].height | |
326 |
1/2✓ Branch 0 taken 12 times.
✗ Branch 1 not taken.
|
12 | : (planes[p].height + 1) >> 1; |
327 | |||
328 | /* luma band buffers will be aligned on 16x16 (max macroblock size) */ | ||
329 | /* chroma band buffers will be aligned on 8x8 (max macroblock size) */ | ||
330 |
2/2✓ Branch 0 taken 8 times.
✓ Branch 1 taken 4 times.
|
12 | align_fac = p ? 8 : 16; |
331 | 12 | width_aligned = FFALIGN(b_width , align_fac); | |
332 | 12 | height_aligned = FFALIGN(b_height, align_fac); | |
333 | 12 | buf_size = width_aligned * height_aligned * sizeof(int16_t); | |
334 | |||
335 |
2/2✓ Branch 0 taken 12 times.
✓ Branch 1 taken 12 times.
|
24 | for (b = 0; b < planes[p].num_bands; b++) { |
336 | 12 | band = &planes[p].bands[b]; /* select appropriate plane/band */ | |
337 | 12 | band->plane = p; | |
338 | 12 | band->band_num = b; | |
339 | 12 | band->width = b_width; | |
340 | 12 | band->height = b_height; | |
341 | 12 | band->pitch = width_aligned; | |
342 | 12 | band->aheight = height_aligned; | |
343 |
4/8✓ Branch 0 taken 12 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 12 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 12 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 12 times.
|
12 | av_assert0(!band->bufs[0] && !band->bufs[1] && |
344 | !band->bufs[2] && !band->bufs[3]); | ||
345 | 12 | band->bufsize = buf_size/2; | |
346 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 12 times.
|
12 | av_assert0(buf_size % 2 == 0); |
347 | |||
348 | /* reset custom vlc */ | ||
349 | 12 | planes[p].bands[0].blk_vlc.cust_desc.num_rows = 0; | |
350 | } | ||
351 | } | ||
352 | |||
353 | 4 | return 0; | |
354 | } | ||
355 | |||
356 | 6 | static int ivi_init_tiles(const IVIBandDesc *band, IVITile *ref_tile, | |
357 | int p, int b, int t_height, int t_width) | ||
358 | { | ||
359 | int x, y; | ||
360 | 6 | IVITile *tile = band->tiles; | |
361 | |||
362 |
2/2✓ Branch 0 taken 6 times.
✓ Branch 1 taken 6 times.
|
12 | for (y = 0; y < band->height; y += t_height) { |
363 |
2/2✓ Branch 0 taken 6 times.
✓ Branch 1 taken 6 times.
|
12 | for (x = 0; x < band->width; x += t_width) { |
364 | 6 | tile->xpos = x; | |
365 | 6 | tile->ypos = y; | |
366 | 6 | tile->mb_size = band->mb_size; | |
367 | 6 | tile->width = FFMIN(band->width - x, t_width); | |
368 | 6 | tile->height = FFMIN(band->height - y, t_height); | |
369 | 6 | tile->is_empty = tile->data_size = 0; | |
370 | /* calculate number of macroblocks */ | ||
371 | 6 | tile->num_MBs = IVI_MBs_PER_TILE(tile->width, tile->height, | |
372 | band->mb_size); | ||
373 | |||
374 | 6 | av_freep(&tile->mbs); | |
375 | 6 | tile->mbs = av_calloc(tile->num_MBs, sizeof(*tile->mbs)); | |
376 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
|
6 | if (!tile->mbs) |
377 | ✗ | return AVERROR(ENOMEM); | |
378 | |||
379 | 6 | tile->ref_mbs = 0; | |
380 |
3/4✓ Branch 0 taken 2 times.
✓ Branch 1 taken 4 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 2 times.
|
6 | if (p || b) { |
381 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 4 times.
|
4 | if (tile->num_MBs != ref_tile->num_MBs) { |
382 | ✗ | av_log(NULL, AV_LOG_DEBUG, "ref_tile mismatch\n"); | |
383 | ✗ | return AVERROR_INVALIDDATA; | |
384 | } | ||
385 | 4 | tile->ref_mbs = ref_tile->mbs; | |
386 | 4 | ref_tile++; | |
387 | } | ||
388 | 6 | tile++; | |
389 | } | ||
390 | } | ||
391 | |||
392 | 6 | return 0; | |
393 | } | ||
394 | |||
395 | 2 | av_cold int ff_ivi_init_tiles(IVIPlaneDesc *planes, | |
396 | int tile_width, int tile_height) | ||
397 | { | ||
398 | int p, b, x_tiles, y_tiles, t_width, t_height, ret; | ||
399 | IVIBandDesc *band; | ||
400 | |||
401 |
2/2✓ Branch 0 taken 6 times.
✓ Branch 1 taken 2 times.
|
8 | for (p = 0; p < 3; p++) { |
402 |
2/2✓ Branch 0 taken 4 times.
✓ Branch 1 taken 2 times.
|
6 | t_width = !p ? tile_width : (tile_width + 3) >> 2; |
403 |
2/2✓ Branch 0 taken 4 times.
✓ Branch 1 taken 2 times.
|
6 | t_height = !p ? tile_height : (tile_height + 3) >> 2; |
404 | |||
405 |
3/4✓ Branch 0 taken 2 times.
✓ Branch 1 taken 4 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 2 times.
|
6 | if (!p && planes[0].num_bands == 4) { |
406 | ✗ | if (t_width % 2 || t_height % 2) { | |
407 | ✗ | avpriv_request_sample(NULL, "Odd tiles"); | |
408 | ✗ | return AVERROR_PATCHWELCOME; | |
409 | } | ||
410 | ✗ | t_width >>= 1; | |
411 | ✗ | t_height >>= 1; | |
412 | } | ||
413 |
2/4✓ Branch 0 taken 6 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 6 times.
|
6 | if(t_width<=0 || t_height<=0) |
414 | ✗ | return AVERROR(EINVAL); | |
415 | |||
416 |
2/2✓ Branch 0 taken 6 times.
✓ Branch 1 taken 6 times.
|
12 | for (b = 0; b < planes[p].num_bands; b++) { |
417 | 6 | band = &planes[p].bands[b]; | |
418 | |||
419 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
|
6 | if (band->tiles) { |
420 | int t; | ||
421 | ✗ | for (t = 0; t < band->num_tiles; t++) { | |
422 | ✗ | av_freep(&band->tiles[t].mbs); | |
423 | } | ||
424 | } | ||
425 | |||
426 | 6 | x_tiles = IVI_NUM_TILES(band->width, t_width); | |
427 | 6 | y_tiles = IVI_NUM_TILES(band->height, t_height); | |
428 | 6 | band->num_tiles = x_tiles * y_tiles; | |
429 | |||
430 | 6 | av_freep(&band->tiles); | |
431 | 6 | band->tiles = av_calloc(band->num_tiles, sizeof(*band->tiles)); | |
432 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
|
6 | if (!band->tiles) { |
433 | ✗ | band->num_tiles = 0; | |
434 | ✗ | return AVERROR(ENOMEM); | |
435 | } | ||
436 | |||
437 | /* use the first luma band as reference for motion vectors | ||
438 | * and quant */ | ||
439 | 6 | ret = ivi_init_tiles(band, planes[0].bands[0].tiles, | |
440 | p, b, t_height, t_width); | ||
441 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
|
6 | if (ret < 0) |
442 | ✗ | return ret; | |
443 | } | ||
444 | } | ||
445 | |||
446 | 2 | return 0; | |
447 | } | ||
448 | |||
449 | /* | ||
450 | * Decode size of the tile data. | ||
451 | * The size is stored as a variable-length field having the following format: | ||
452 | * if (tile_data_size < 255) than this field is only one byte long | ||
453 | * if (tile_data_size >= 255) than this field four is byte long: 0xFF X1 X2 X3 | ||
454 | * where X1-X3 is size of the tile data | ||
455 | * | ||
456 | * @param[in,out] gb the GetBit context | ||
457 | * @return size of the tile data in bytes | ||
458 | */ | ||
459 | 700 | static int ivi_dec_tile_data_size(GetBitContext *gb) | |
460 | { | ||
461 | int len; | ||
462 | |||
463 | 700 | len = 0; | |
464 |
1/2✓ Branch 1 taken 700 times.
✗ Branch 2 not taken.
|
700 | if (get_bits1(gb)) { |
465 | 700 | len = get_bits(gb, 8); | |
466 |
2/2✓ Branch 0 taken 447 times.
✓ Branch 1 taken 253 times.
|
700 | if (len == 255) |
467 | 447 | len = get_bits(gb, 24); | |
468 | } | ||
469 | |||
470 | /* align the bitstream reader on the byte boundary */ | ||
471 | 700 | align_get_bits(gb); | |
472 | |||
473 | 700 | return len; | |
474 | } | ||
475 | |||
476 | 67284 | static int ivi_dc_transform(const IVIBandDesc *band, int *prev_dc, int buf_offs, | |
477 | int blk_size) | ||
478 | { | ||
479 | 67284 | band->dc_transform(prev_dc, band->buf + buf_offs, | |
480 | 67284 | band->pitch, blk_size); | |
481 | |||
482 | 67284 | return 0; | |
483 | } | ||
484 | |||
485 | 197821 | static int ivi_decode_coded_blocks(GetBitContext *gb, const IVIBandDesc *band, | |
486 | ivi_mc_func mc, ivi_mc_avg_func mc_avg, | ||
487 | int mv_x, int mv_y, | ||
488 | int mv_x2, int mv_y2, | ||
489 | int *prev_dc, int is_intra, | ||
490 | int mc_type, int mc_type2, | ||
491 | uint32_t quant, int offs, | ||
492 | AVCodecContext *avctx) | ||
493 | { | ||
494 |
2/2✓ Branch 0 taken 115136 times.
✓ Branch 1 taken 82685 times.
|
197821 | const uint16_t *base_tab = is_intra ? band->intra_base : band->inter_base; |
495 | 197821 | RVMapDesc *rvmap = band->rv_map; | |
496 | uint8_t col_flags[8]; | ||
497 | int32_t trvec[64]; | ||
498 | 197821 | uint32_t sym = 0, lo, hi, q; | |
499 | int pos, run, val; | ||
500 | 197821 | int blk_size = band->blk_size; | |
501 | 197821 | int num_coeffs = blk_size * blk_size; | |
502 | 197821 | int col_mask = blk_size - 1; | |
503 | 197821 | int scan_pos = -1; | |
504 | 197821 | int min_size = band->pitch * (band->transform_size - 1) + | |
505 | 197821 | band->transform_size; | |
506 | 197821 | int buf_size = band->pitch * band->aheight - offs; | |
507 | |||
508 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 197821 times.
|
197821 | if (min_size > buf_size) |
509 | ✗ | return AVERROR_INVALIDDATA; | |
510 | |||
511 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 197821 times.
|
197821 | if (!band->scan) { |
512 | ✗ | av_log(avctx, AV_LOG_ERROR, "Scan pattern is not set.\n"); | |
513 | ✗ | return AVERROR_INVALIDDATA; | |
514 | } | ||
515 | |||
516 | /* zero transform vector */ | ||
517 | 197821 | memset(trvec, 0, num_coeffs * sizeof(trvec[0])); | |
518 | /* zero column flags */ | ||
519 | 197821 | memset(col_flags, 0, sizeof(col_flags)); | |
520 |
1/2✓ Branch 0 taken 2016248 times.
✗ Branch 1 not taken.
|
2016248 | while (scan_pos <= num_coeffs) { |
521 | 2016248 | sym = get_vlc2(gb, band->blk_vlc.tab->table, | |
522 | IVI_VLC_BITS, 1); | ||
523 |
2/2✓ Branch 0 taken 197820 times.
✓ Branch 1 taken 1818428 times.
|
2016248 | if (sym == rvmap->eob_sym) |
524 | 197820 | break; /* End of block */ | |
525 | |||
526 | /* Escape - run/val explicitly coded using 3 vlc codes */ | ||
527 |
2/2✓ Branch 0 taken 14630 times.
✓ Branch 1 taken 1803798 times.
|
1818428 | if (sym == rvmap->esc_sym) { |
528 | 14630 | run = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1) + 1; | |
529 | 14630 | lo = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1); | |
530 | 14630 | hi = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1); | |
531 | /* merge them and convert into signed val */ | ||
532 | 14630 | val = IVI_TOSIGNED((hi << 6) | lo); | |
533 | } else { | ||
534 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1803798 times.
|
1803798 | if (sym >= 256U) { |
535 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid sym encountered: %"PRIu32".\n", sym); | |
536 | ✗ | return AVERROR_INVALIDDATA; | |
537 | } | ||
538 | 1803798 | run = rvmap->runtab[sym]; | |
539 | 1803798 | val = rvmap->valtab[sym]; | |
540 | } | ||
541 | |||
542 | /* de-zigzag and dequantize */ | ||
543 | 1818428 | scan_pos += run; | |
544 |
3/4✓ Branch 0 taken 1818427 times.
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 1818427 times.
✗ Branch 3 not taken.
|
1818428 | if (scan_pos >= num_coeffs || scan_pos < 0) |
545 | break; | ||
546 | 1818427 | pos = band->scan[scan_pos]; | |
547 | |||
548 | if (!val) | ||
549 | ff_dlog(avctx, "Val = 0 encountered!\n"); | ||
550 | |||
551 | 1818427 | q = (base_tab[pos] * quant) >> 9; | |
552 |
2/2✓ Branch 0 taken 98187 times.
✓ Branch 1 taken 1720240 times.
|
1818427 | if (q > 1) |
553 |
2/2✓ Branch 0 taken 50408 times.
✓ Branch 1 taken 47779 times.
|
98187 | val = val * q + FFSIGN(val) * (((q ^ 1) - 1) >> 1); |
554 | 1818427 | trvec[pos] = val; | |
555 | /* track columns containing non-zero coeffs */ | ||
556 | 1818427 | col_flags[pos & col_mask] |= !!val; | |
557 | } | ||
558 | |||
559 |
4/6✓ Branch 0 taken 197821 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 197820 times.
✓ Branch 4 taken 1 times.
✗ Branch 5 not taken.
|
197821 | if (scan_pos < 0 || scan_pos >= num_coeffs && sym != rvmap->eob_sym) |
560 | 1 | return AVERROR_INVALIDDATA; /* corrupt block data */ | |
561 | |||
562 | /* undoing DC coeff prediction for intra-blocks */ | ||
563 |
3/4✓ Branch 0 taken 115135 times.
✓ Branch 1 taken 82685 times.
✓ Branch 2 taken 115135 times.
✗ Branch 3 not taken.
|
197820 | if (is_intra && band->is_2d_trans) { |
564 | 115135 | *prev_dc += trvec[0]; | |
565 | 115135 | trvec[0] = *prev_dc; | |
566 | 115135 | col_flags[0] |= !!*prev_dc; | |
567 | } | ||
568 | |||
569 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 197820 times.
|
197820 | if(band->transform_size > band->blk_size){ |
570 | ✗ | av_log(NULL, AV_LOG_ERROR, "Too large transform\n"); | |
571 | ✗ | return AVERROR_INVALIDDATA; | |
572 | } | ||
573 | |||
574 | /* apply inverse transform */ | ||
575 | 197820 | band->inv_transform(trvec, band->buf + offs, | |
576 | 197820 | band->pitch, col_flags); | |
577 | |||
578 | /* apply motion compensation */ | ||
579 |
2/2✓ Branch 0 taken 82685 times.
✓ Branch 1 taken 115135 times.
|
197820 | if (!is_intra) |
580 | 82685 | return ivi_mc(band, mc, mc_avg, offs, mv_x, mv_y, mv_x2, mv_y2, | |
581 | mc_type, mc_type2); | ||
582 | |||
583 | 115135 | return 0; | |
584 | } | ||
585 | /* | ||
586 | * Decode block data: | ||
587 | * extract huffman-coded transform coefficients from the bitstream, | ||
588 | * dequantize them, apply inverse transform and motion compensation | ||
589 | * in order to reconstruct the picture. | ||
590 | * | ||
591 | * @param[in,out] gb the GetBit context | ||
592 | * @param[in] band pointer to the band descriptor | ||
593 | * @param[in] tile pointer to the tile descriptor | ||
594 | * @return result code: 0 - OK, -1 = error (corrupted blocks data) | ||
595 | */ | ||
596 | 700 | static int ivi_decode_blocks(GetBitContext *gb, const IVIBandDesc *band, | |
597 | IVITile *tile, AVCodecContext *avctx) | ||
598 | { | ||
599 | int mbn, blk, num_blocks, blk_size, ret, is_intra; | ||
600 | 700 | int mc_type = 0, mc_type2 = -1; | |
601 | 700 | int mv_x = 0, mv_y = 0, mv_x2 = 0, mv_y2 = 0; | |
602 | int32_t prev_dc; | ||
603 | uint32_t cbp, quant, buf_offs; | ||
604 | IVIMbInfo *mb; | ||
605 | ivi_mc_func mc_with_delta_func, mc_no_delta_func; | ||
606 | ivi_mc_avg_func mc_avg_with_delta_func, mc_avg_no_delta_func; | ||
607 | const uint8_t *scale_tab; | ||
608 | |||
609 | /* init intra prediction for the DC coefficient */ | ||
610 | 700 | prev_dc = 0; | |
611 | 700 | blk_size = band->blk_size; | |
612 | /* number of blocks per mb */ | ||
613 |
2/2✓ Branch 0 taken 234 times.
✓ Branch 1 taken 466 times.
|
700 | num_blocks = (band->mb_size != blk_size) ? 4 : 1; |
614 |
2/2✓ Branch 0 taken 234 times.
✓ Branch 1 taken 466 times.
|
700 | if (blk_size == 8) { |
615 | 234 | mc_with_delta_func = ff_ivi_mc_8x8_delta; | |
616 | 234 | mc_no_delta_func = ff_ivi_mc_8x8_no_delta; | |
617 | 234 | mc_avg_with_delta_func = ff_ivi_mc_avg_8x8_delta; | |
618 | 234 | mc_avg_no_delta_func = ff_ivi_mc_avg_8x8_no_delta; | |
619 | } else { | ||
620 | 466 | mc_with_delta_func = ff_ivi_mc_4x4_delta; | |
621 | 466 | mc_no_delta_func = ff_ivi_mc_4x4_no_delta; | |
622 | 466 | mc_avg_with_delta_func = ff_ivi_mc_avg_4x4_delta; | |
623 | 466 | mc_avg_no_delta_func = ff_ivi_mc_avg_4x4_no_delta; | |
624 | } | ||
625 | |||
626 |
2/2✓ Branch 0 taken 162036 times.
✓ Branch 1 taken 699 times.
|
162735 | for (mbn = 0, mb = tile->mbs; mbn < tile->num_MBs; mb++, mbn++) { |
627 | 162036 | is_intra = !mb->type; | |
628 | 162036 | cbp = mb->cbp; | |
629 | 162036 | buf_offs = mb->buf_offs; | |
630 | |||
631 | 162036 | quant = band->glob_quant + mb->q_delta; | |
632 |
2/2✓ Branch 0 taken 90216 times.
✓ Branch 1 taken 71820 times.
|
162036 | if (avctx->codec_id == AV_CODEC_ID_INDEO4) |
633 | 90216 | quant = av_clip_uintp2(quant, 5); | |
634 | else | ||
635 | 71820 | quant = av_clip(quant, 0, 23); | |
636 | |||
637 |
2/2✓ Branch 0 taken 91051 times.
✓ Branch 1 taken 70985 times.
|
162036 | scale_tab = is_intra ? band->intra_scale : band->inter_scale; |
638 |
2/2✓ Branch 0 taken 71820 times.
✓ Branch 1 taken 90216 times.
|
162036 | if (scale_tab) |
639 | 71820 | quant = scale_tab[quant]; | |
640 | |||
641 |
2/2✓ Branch 0 taken 70985 times.
✓ Branch 1 taken 91051 times.
|
162036 | if (!is_intra) { |
642 | 70985 | mv_x = mb->mv_x; | |
643 | 70985 | mv_y = mb->mv_y; | |
644 | 70985 | mv_x2 = mb->b_mv_x; | |
645 | 70985 | mv_y2 = mb->b_mv_y; | |
646 |
1/2✓ Branch 0 taken 70985 times.
✗ Branch 1 not taken.
|
70985 | if (band->is_halfpel) { |
647 | 70985 | mc_type = ((mv_y & 1) << 1) | (mv_x & 1); | |
648 | 70985 | mc_type2 = ((mv_y2 & 1) << 1) | (mv_x2 & 1); | |
649 | 70985 | mv_x >>= 1; | |
650 | 70985 | mv_y >>= 1; | |
651 | 70985 | mv_x2 >>= 1; | |
652 | 70985 | mv_y2 >>= 1; /* convert halfpel vectors into fullpel ones */ | |
653 | } | ||
654 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 70985 times.
|
70985 | if (mb->type == 2) |
655 | ✗ | mc_type = -1; | |
656 |
2/4✓ Branch 0 taken 70985 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 70985 times.
✗ Branch 3 not taken.
|
70985 | if (mb->type != 2 && mb->type != 3) |
657 | 70985 | mc_type2 = -1; | |
658 |
1/2✓ Branch 0 taken 70985 times.
✗ Branch 1 not taken.
|
70985 | if (mb->type) { |
659 | int dmv_x, dmv_y, cx, cy; | ||
660 | |||
661 | 70985 | dmv_x = mb->mv_x >> band->is_halfpel; | |
662 | 70985 | dmv_y = mb->mv_y >> band->is_halfpel; | |
663 | 70985 | cx = mb->mv_x & band->is_halfpel; | |
664 | 70985 | cy = mb->mv_y & band->is_halfpel; | |
665 | |||
666 |
1/2✓ Branch 0 taken 70985 times.
✗ Branch 1 not taken.
|
70985 | if (mb->xpos + dmv_x < 0 || |
667 |
1/2✓ Branch 0 taken 70985 times.
✗ Branch 1 not taken.
|
70985 | mb->xpos + dmv_x + band->mb_size + cx > band->pitch || |
668 |
1/2✓ Branch 0 taken 70985 times.
✗ Branch 1 not taken.
|
70985 | mb->ypos + dmv_y < 0 || |
669 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 70985 times.
|
70985 | mb->ypos + dmv_y + band->mb_size + cy > band->aheight) { |
670 | ✗ | return AVERROR_INVALIDDATA; | |
671 | } | ||
672 | } | ||
673 |
2/4✓ Branch 0 taken 70985 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 70985 times.
|
70985 | if (mb->type == 2 || mb->type == 3) { |
674 | int dmv_x, dmv_y, cx, cy; | ||
675 | |||
676 | ✗ | dmv_x = mb->b_mv_x >> band->is_halfpel; | |
677 | ✗ | dmv_y = mb->b_mv_y >> band->is_halfpel; | |
678 | ✗ | cx = mb->b_mv_x & band->is_halfpel; | |
679 | ✗ | cy = mb->b_mv_y & band->is_halfpel; | |
680 | |||
681 | ✗ | if (mb->xpos + dmv_x < 0 || | |
682 | ✗ | mb->xpos + dmv_x + band->mb_size + cx > band->pitch || | |
683 | ✗ | mb->ypos + dmv_y < 0 || | |
684 | ✗ | mb->ypos + dmv_y + band->mb_size + cy > band->aheight) { | |
685 | ✗ | return AVERROR_INVALIDDATA; | |
686 | } | ||
687 | } | ||
688 | } | ||
689 | |||
690 |
2/2✓ Branch 0 taken 324502 times.
✓ Branch 1 taken 162035 times.
|
486537 | for (blk = 0; blk < num_blocks; blk++) { |
691 | /* adjust block position in the buffer according to its number */ | ||
692 |
2/2✓ Branch 0 taken 108311 times.
✓ Branch 1 taken 216191 times.
|
324502 | if (blk & 1) { |
693 | 108311 | buf_offs += blk_size; | |
694 |
2/2✓ Branch 0 taken 54155 times.
✓ Branch 1 taken 162036 times.
|
216191 | } else if (blk == 2) { |
695 | 54155 | buf_offs -= blk_size; | |
696 | 54155 | buf_offs += blk_size * band->pitch; | |
697 | } | ||
698 | |||
699 |
2/2✓ Branch 0 taken 197821 times.
✓ Branch 1 taken 126681 times.
|
324502 | if (cbp & 1) { /* block coded ? */ |
700 | 197821 | ret = ivi_decode_coded_blocks(gb, band, mc_with_delta_func, | |
701 | mc_avg_with_delta_func, | ||
702 | mv_x, mv_y, mv_x2, mv_y2, | ||
703 | &prev_dc, is_intra, | ||
704 | mc_type, mc_type2, quant, | ||
705 | buf_offs, avctx); | ||
706 |
2/2✓ Branch 0 taken 1 times.
✓ Branch 1 taken 197820 times.
|
197821 | if (ret < 0) |
707 | 1 | return ret; | |
708 | } else { | ||
709 | 126681 | int buf_size = band->pitch * band->aheight - buf_offs; | |
710 | 126681 | int min_size = (blk_size - 1) * band->pitch + blk_size; | |
711 | |||
712 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 126681 times.
|
126681 | if (min_size > buf_size) |
713 | ✗ | return AVERROR_INVALIDDATA; | |
714 | /* block not coded */ | ||
715 | /* for intra blocks apply the dc slant transform */ | ||
716 | /* for inter - perform the motion compensation without delta */ | ||
717 |
2/2✓ Branch 0 taken 67284 times.
✓ Branch 1 taken 59397 times.
|
126681 | if (is_intra) { |
718 | 67284 | ret = ivi_dc_transform(band, &prev_dc, buf_offs, blk_size); | |
719 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 67284 times.
|
67284 | if (ret < 0) |
720 | ✗ | return ret; | |
721 | } else { | ||
722 | 59397 | ret = ivi_mc(band, mc_no_delta_func, mc_avg_no_delta_func, | |
723 | buf_offs, mv_x, mv_y, mv_x2, mv_y2, | ||
724 | mc_type, mc_type2); | ||
725 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 59397 times.
|
59397 | if (ret < 0) |
726 | ✗ | return ret; | |
727 | } | ||
728 | } | ||
729 | |||
730 | 324501 | cbp >>= 1; | |
731 | }// for blk | ||
732 | }// for mbn | ||
733 | |||
734 | 699 | align_get_bits(gb); | |
735 | |||
736 | 699 | return 0; | |
737 | } | ||
738 | |||
739 | /** | ||
740 | * Handle empty tiles by performing data copying and motion | ||
741 | * compensation respectively. | ||
742 | * | ||
743 | * @param[in] avctx ptr to the AVCodecContext | ||
744 | * @param[in] band pointer to the band descriptor | ||
745 | * @param[in] tile pointer to the tile descriptor | ||
746 | * @param[in] mv_scale scaling factor for motion vectors | ||
747 | */ | ||
748 | ✗ | static int ivi_process_empty_tile(AVCodecContext *avctx, const IVIBandDesc *band, | |
749 | IVITile *tile, int32_t mv_scale) | ||
750 | { | ||
751 | int x, y, need_mc, mbn, blk, num_blocks, mv_x, mv_y, mc_type; | ||
752 | int offs, mb_offset, row_offset, ret; | ||
753 | IVIMbInfo *mb, *ref_mb; | ||
754 | const int16_t *src; | ||
755 | int16_t *dst; | ||
756 | ivi_mc_func mc_no_delta_func; | ||
757 | ✗ | int clear_first = !band->qdelta_present && !band->plane && !band->band_num; | |
758 | ✗ | int mb_size = band->mb_size; | |
759 | ✗ | int xend = tile->xpos + tile->width; | |
760 | ✗ | int is_halfpel = band->is_halfpel; | |
761 | ✗ | int pitch = band->pitch; | |
762 | |||
763 | ✗ | if (tile->num_MBs != IVI_MBs_PER_TILE(tile->width, tile->height, mb_size)) { | |
764 | ✗ | av_log(avctx, AV_LOG_ERROR, "Allocated tile size %d mismatches " | |
765 | "parameters %d in ivi_process_empty_tile()\n", | ||
766 | ✗ | tile->num_MBs, IVI_MBs_PER_TILE(tile->width, tile->height, mb_size)); | |
767 | ✗ | return AVERROR_INVALIDDATA; | |
768 | } | ||
769 | |||
770 | ✗ | offs = tile->ypos * pitch + tile->xpos; | |
771 | ✗ | mb = tile->mbs; | |
772 | ✗ | ref_mb = tile->ref_mbs; | |
773 | ✗ | row_offset = mb_size * pitch; | |
774 | ✗ | need_mc = 0; /* reset the mc tracking flag */ | |
775 | |||
776 | ✗ | for (y = tile->ypos; y < (tile->ypos + tile->height); y += mb_size) { | |
777 | ✗ | mb_offset = offs; | |
778 | |||
779 | ✗ | for (x = tile->xpos; x < xend; x += mb_size) { | |
780 | ✗ | mb->xpos = x; | |
781 | ✗ | mb->ypos = y; | |
782 | ✗ | mb->buf_offs = mb_offset; | |
783 | |||
784 | ✗ | mb->type = 1; /* set the macroblocks type = INTER */ | |
785 | ✗ | mb->cbp = 0; /* all blocks are empty */ | |
786 | |||
787 | ✗ | if (clear_first) { | |
788 | ✗ | mb->q_delta = band->glob_quant; | |
789 | ✗ | mb->mv_x = 0; | |
790 | ✗ | mb->mv_y = 0; | |
791 | } | ||
792 | |||
793 | ✗ | if (ref_mb) { | |
794 | ✗ | if (band->inherit_qdelta) | |
795 | ✗ | mb->q_delta = ref_mb->q_delta; | |
796 | |||
797 | ✗ | if (band->inherit_mv) { | |
798 | /* motion vector inheritance */ | ||
799 | ✗ | if (mv_scale) { | |
800 | ✗ | mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale); | |
801 | ✗ | mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale); | |
802 | } else { | ||
803 | ✗ | mb->mv_x = ref_mb->mv_x; | |
804 | ✗ | mb->mv_y = ref_mb->mv_y; | |
805 | } | ||
806 | ✗ | need_mc |= mb->mv_x || mb->mv_y; /* tracking non-zero motion vectors */ | |
807 | { | ||
808 | int dmv_x, dmv_y, cx, cy; | ||
809 | |||
810 | ✗ | dmv_x = mb->mv_x >> is_halfpel; | |
811 | ✗ | dmv_y = mb->mv_y >> is_halfpel; | |
812 | ✗ | cx = mb->mv_x & is_halfpel; | |
813 | ✗ | cy = mb->mv_y & is_halfpel; | |
814 | |||
815 | ✗ | if ( mb->xpos + dmv_x < 0 | |
816 | ✗ | || mb->xpos + dmv_x + mb_size + cx > pitch | |
817 | ✗ | || mb->ypos + dmv_y < 0 | |
818 | ✗ | || mb->ypos + dmv_y + mb_size + cy > band->aheight) { | |
819 | ✗ | av_log(avctx, AV_LOG_ERROR, "MV out of bounds\n"); | |
820 | ✗ | return AVERROR_INVALIDDATA; | |
821 | } | ||
822 | } | ||
823 | } | ||
824 | ✗ | ref_mb++; | |
825 | } | ||
826 | |||
827 | ✗ | mb++; | |
828 | ✗ | mb_offset += mb_size; | |
829 | } // for x | ||
830 | ✗ | offs += row_offset; | |
831 | } // for y | ||
832 | |||
833 | ✗ | if (band->inherit_mv && need_mc) { /* apply motion compensation if there is at least one non-zero motion vector */ | |
834 | ✗ | num_blocks = (mb_size != band->blk_size) ? 4 : 1; /* number of blocks per mb */ | |
835 | ✗ | mc_no_delta_func = (band->blk_size == 8) ? ff_ivi_mc_8x8_no_delta | |
836 | ✗ | : ff_ivi_mc_4x4_no_delta; | |
837 | |||
838 | ✗ | for (mbn = 0, mb = tile->mbs; mbn < tile->num_MBs; mb++, mbn++) { | |
839 | ✗ | mv_x = mb->mv_x; | |
840 | ✗ | mv_y = mb->mv_y; | |
841 | ✗ | if (!band->is_halfpel) { | |
842 | ✗ | mc_type = 0; /* we have only fullpel vectors */ | |
843 | } else { | ||
844 | ✗ | mc_type = ((mv_y & 1) << 1) | (mv_x & 1); | |
845 | ✗ | mv_x >>= 1; | |
846 | ✗ | mv_y >>= 1; /* convert halfpel vectors into fullpel ones */ | |
847 | } | ||
848 | |||
849 | ✗ | for (blk = 0; blk < num_blocks; blk++) { | |
850 | /* adjust block position in the buffer according with its number */ | ||
851 | ✗ | offs = mb->buf_offs + band->blk_size * ((blk & 1) + !!(blk & 2) * pitch); | |
852 | ✗ | ret = ivi_mc(band, mc_no_delta_func, 0, offs, | |
853 | mv_x, mv_y, 0, 0, mc_type, -1); | ||
854 | ✗ | if (ret < 0) | |
855 | ✗ | return ret; | |
856 | } | ||
857 | } | ||
858 | } else { | ||
859 | /* copy data from the reference tile into the current one */ | ||
860 | ✗ | src = band->ref_buf + tile->ypos * pitch + tile->xpos; | |
861 | ✗ | dst = band->buf + tile->ypos * pitch + tile->xpos; | |
862 | ✗ | for (y = 0; y < tile->height; y++) { | |
863 | ✗ | memcpy(dst, src, tile->width*sizeof(band->buf[0])); | |
864 | ✗ | src += pitch; | |
865 | ✗ | dst += pitch; | |
866 | } | ||
867 | } | ||
868 | |||
869 | ✗ | return 0; | |
870 | } | ||
871 | |||
872 | |||
873 | #ifdef DEBUG | ||
874 | static uint16_t ivi_calc_band_checksum(const IVIBandDesc *band) | ||
875 | { | ||
876 | int x, y; | ||
877 | int16_t *src, checksum; | ||
878 | |||
879 | src = band->buf; | ||
880 | checksum = 0; | ||
881 | |||
882 | for (y = 0; y < band->height; src += band->pitch, y++) | ||
883 | for (x = 0; x < band->width; x++) | ||
884 | checksum += src[x]; | ||
885 | |||
886 | return checksum; | ||
887 | } | ||
888 | #endif | ||
889 | |||
890 | /* | ||
891 | * Convert and output the current plane. | ||
892 | * This conversion is done by adding back the bias value of 128 | ||
893 | * (subtracted in the encoder) and clipping the result. | ||
894 | * | ||
895 | * @param[in] plane pointer to the descriptor of the plane being processed | ||
896 | * @param[out] dst pointer to the buffer receiving converted pixels | ||
897 | * @param[in] dst_pitch pitch for moving to the next y line | ||
898 | */ | ||
899 | 699 | static void ivi_output_plane(IVIPlaneDesc *plane, uint8_t *dst, ptrdiff_t dst_pitch) | |
900 | { | ||
901 | int x, y; | ||
902 | 699 | const int16_t *src = plane->bands[0].buf; | |
903 | 699 | ptrdiff_t pitch = plane->bands[0].pitch; | |
904 | |||
905 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 699 times.
|
699 | if (!src) |
906 | ✗ | return; | |
907 | |||
908 |
2/2✓ Branch 0 taken 71910 times.
✓ Branch 1 taken 699 times.
|
72609 | for (y = 0; y < plane->height; y++) { |
909 | 71910 | int m = 0; | |
910 | 71910 | int w = plane->width; | |
911 |
2/2✓ Branch 0 taken 15103800 times.
✓ Branch 1 taken 71910 times.
|
15175710 | for (x = 0; x < w; x++) { |
912 | 15103800 | int t = src[x] + 128; | |
913 | 15103800 | dst[x] = t; | |
914 | 15103800 | m |= t; | |
915 | } | ||
916 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 71910 times.
|
71910 | if (m & ~255) |
917 | ✗ | for (x = 0; x < w; x++) | |
918 | ✗ | dst[x] = av_clip_uint8(src[x] + 128); | |
919 | 71910 | src += pitch; | |
920 | 71910 | dst += dst_pitch; | |
921 | } | ||
922 | } | ||
923 | |||
924 | 1400 | static void *prepare_buf(IVI45DecContext *ctx, IVIBandDesc *band, int i) | |
925 | { | ||
926 |
2/4✓ Branch 0 taken 1400 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 1400 times.
|
1400 | if (ctx->pic_conf.luma_bands <= 1 && i == 2) |
927 | ✗ | return NULL; | |
928 |
2/2✓ Branch 0 taken 15 times.
✓ Branch 1 taken 1385 times.
|
1400 | if (!band->bufs[i]) |
929 | 15 | band->bufs[i] = av_mallocz(2 * band->bufsize); | |
930 | 1400 | return band->bufs[i]; | |
931 | } | ||
932 | |||
933 | /** | ||
934 | * Decode an Indeo 4 or 5 band. | ||
935 | * | ||
936 | * @param[in,out] ctx ptr to the decoder context | ||
937 | * @param[in,out] band ptr to the band descriptor | ||
938 | * @param[in] avctx ptr to the AVCodecContext | ||
939 | * @return result code: 0 = OK, -1 = error | ||
940 | */ | ||
941 | 700 | static int decode_band(IVI45DecContext *ctx, | |
942 | IVIBandDesc *band, AVCodecContext *avctx) | ||
943 | { | ||
944 | int result, i, t, idx1, idx2, pos; | ||
945 | IVITile *tile; | ||
946 | |||
947 | 700 | band->buf = prepare_buf(ctx, band, ctx->dst_buf); | |
948 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (!band->buf) { |
949 | ✗ | av_log(avctx, AV_LOG_ERROR, "Band buffer points to no data!\n"); | |
950 | ✗ | return AVERROR_INVALIDDATA; | |
951 | } | ||
952 |
3/4✓ Branch 0 taken 301 times.
✓ Branch 1 taken 399 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 301 times.
|
700 | if (ctx->is_indeo4 && ctx->frame_type == IVI4_FRAMETYPE_BIDIR) { |
953 | ✗ | band->ref_buf = prepare_buf(ctx, band, ctx->b_ref_buf); | |
954 | ✗ | band->b_ref_buf = prepare_buf(ctx, band, ctx->ref_buf); | |
955 | ✗ | if (!band->b_ref_buf) | |
956 | ✗ | return AVERROR(ENOMEM); | |
957 | } else { | ||
958 | 700 | band->ref_buf = prepare_buf(ctx, band, ctx->ref_buf); | |
959 | 700 | band->b_ref_buf = 0; | |
960 | } | ||
961 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (!band->ref_buf) |
962 | ✗ | return AVERROR(ENOMEM); | |
963 | 700 | band->data_ptr = ctx->frame_data + (get_bits_count(&ctx->gb) >> 3); | |
964 | |||
965 | 700 | result = ctx->decode_band_hdr(ctx, band, avctx); | |
966 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (result) { |
967 | ✗ | av_log(avctx, AV_LOG_ERROR, "Error while decoding band header: %d\n", | |
968 | result); | ||
969 | ✗ | return result; | |
970 | } | ||
971 | |||
972 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (band->is_empty) { |
973 | ✗ | av_log(avctx, AV_LOG_ERROR, "Empty band encountered!\n"); | |
974 | ✗ | return AVERROR_INVALIDDATA; | |
975 | } | ||
976 | |||
977 | 700 | band->rv_map = &ctx->rvmap_tabs[band->rvmap_sel]; | |
978 | |||
979 | /* apply corrections to the selected rvmap table if present */ | ||
980 |
2/2✓ Branch 0 taken 2949 times.
✓ Branch 1 taken 700 times.
|
3649 | for (i = 0; i < band->num_corr; i++) { |
981 | 2949 | idx1 = band->corr[i * 2]; | |
982 | 2949 | idx2 = band->corr[i * 2 + 1]; | |
983 | 2949 | FFSWAP(uint8_t, band->rv_map->runtab[idx1], band->rv_map->runtab[idx2]); | |
984 | 2949 | FFSWAP(int16_t, band->rv_map->valtab[idx1], band->rv_map->valtab[idx2]); | |
985 |
2/4✓ Branch 0 taken 2949 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2949 times.
|
2949 | if (idx1 == band->rv_map->eob_sym || idx2 == band->rv_map->eob_sym) |
986 | ✗ | band->rv_map->eob_sym ^= idx1 ^ idx2; | |
987 |
2/4✓ Branch 0 taken 2949 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2949 times.
|
2949 | if (idx1 == band->rv_map->esc_sym || idx2 == band->rv_map->esc_sym) |
988 | ✗ | band->rv_map->esc_sym ^= idx1 ^ idx2; | |
989 | } | ||
990 | |||
991 | 700 | pos = get_bits_count(&ctx->gb); | |
992 | |||
993 |
2/2✓ Branch 0 taken 700 times.
✓ Branch 1 taken 699 times.
|
1399 | for (t = 0; t < band->num_tiles; t++) { |
994 | 700 | tile = &band->tiles[t]; | |
995 | |||
996 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (tile->mb_size != band->mb_size) { |
997 | ✗ | av_log(avctx, AV_LOG_ERROR, "MB sizes mismatch: %d vs. %d\n", | |
998 | band->mb_size, tile->mb_size); | ||
999 | ✗ | return AVERROR_INVALIDDATA; | |
1000 | } | ||
1001 | 700 | tile->is_empty = get_bits1(&ctx->gb); | |
1002 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (tile->is_empty) { |
1003 | ✗ | result = ivi_process_empty_tile(avctx, band, tile, | |
1004 | ✗ | (ctx->planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3)); | |
1005 | ✗ | if (result < 0) | |
1006 | ✗ | break; | |
1007 | ff_dlog(avctx, "Empty tile encountered!\n"); | ||
1008 | } else { | ||
1009 | 700 | tile->data_size = ivi_dec_tile_data_size(&ctx->gb); | |
1010 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (!tile->data_size) { |
1011 | ✗ | av_log(avctx, AV_LOG_ERROR, "Tile data size is zero!\n"); | |
1012 | ✗ | result = AVERROR_INVALIDDATA; | |
1013 | ✗ | break; | |
1014 | } | ||
1015 | |||
1016 | 700 | result = ctx->decode_mb_info(ctx, band, tile, avctx); | |
1017 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
|
700 | if (result < 0) |
1018 | ✗ | break; | |
1019 | |||
1020 | 700 | result = ivi_decode_blocks(&ctx->gb, band, tile, avctx); | |
1021 |
2/2✓ Branch 0 taken 1 times.
✓ Branch 1 taken 699 times.
|
700 | if (result < 0) { |
1022 | 1 | av_log(avctx, AV_LOG_ERROR, | |
1023 | "Corrupted tile data encountered!\n"); | ||
1024 | 1 | break; | |
1025 | } | ||
1026 | |||
1027 |
1/2✗ Branch 1 not taken.
✓ Branch 2 taken 699 times.
|
699 | if (((get_bits_count(&ctx->gb) - pos) >> 3) != tile->data_size) { |
1028 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
1029 | "Tile data_size mismatch!\n"); | ||
1030 | ✗ | result = AVERROR_INVALIDDATA; | |
1031 | ✗ | break; | |
1032 | } | ||
1033 | |||
1034 | 699 | pos += tile->data_size << 3; // skip to next tile | |
1035 | } | ||
1036 | } | ||
1037 | |||
1038 | /* restore the selected rvmap table by applying its corrections in | ||
1039 | * reverse order */ | ||
1040 |
2/2✓ Branch 0 taken 2949 times.
✓ Branch 1 taken 700 times.
|
3649 | for (i = band->num_corr-1; i >= 0; i--) { |
1041 | 2949 | idx1 = band->corr[i*2]; | |
1042 | 2949 | idx2 = band->corr[i*2+1]; | |
1043 | 2949 | FFSWAP(uint8_t, band->rv_map->runtab[idx1], band->rv_map->runtab[idx2]); | |
1044 | 2949 | FFSWAP(int16_t, band->rv_map->valtab[idx1], band->rv_map->valtab[idx2]); | |
1045 |
2/4✓ Branch 0 taken 2949 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2949 times.
|
2949 | if (idx1 == band->rv_map->eob_sym || idx2 == band->rv_map->eob_sym) |
1046 | ✗ | band->rv_map->eob_sym ^= idx1 ^ idx2; | |
1047 |
2/4✓ Branch 0 taken 2949 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2949 times.
|
2949 | if (idx1 == band->rv_map->esc_sym || idx2 == band->rv_map->esc_sym) |
1048 | ✗ | band->rv_map->esc_sym ^= idx1 ^ idx2; | |
1049 | } | ||
1050 | |||
1051 | #ifdef DEBUG | ||
1052 | if (band->checksum_present) { | ||
1053 | uint16_t chksum = ivi_calc_band_checksum(band); | ||
1054 | if (chksum != band->checksum) { | ||
1055 | av_log(avctx, AV_LOG_ERROR, | ||
1056 | "Band checksum mismatch! Plane %d, band %d, " | ||
1057 | "received: %"PRIx32", calculated: %"PRIx16"\n", | ||
1058 | band->plane, band->band_num, band->checksum, chksum); | ||
1059 | } | ||
1060 | } | ||
1061 | #endif | ||
1062 | |||
1063 | 700 | align_get_bits(&ctx->gb); | |
1064 | |||
1065 | 700 | return result; | |
1066 | } | ||
1067 | |||
1068 | 235 | int ff_ivi_decode_frame(AVCodecContext *avctx, AVFrame *frame, | |
1069 | int *got_frame, AVPacket *avpkt) | ||
1070 | { | ||
1071 | 235 | IVI45DecContext *ctx = avctx->priv_data; | |
1072 | 235 | const uint8_t *buf = avpkt->data; | |
1073 | 235 | int buf_size = avpkt->size; | |
1074 | int result, p, b; | ||
1075 | |||
1076 | 235 | result = init_get_bits8(&ctx->gb, buf, buf_size); | |
1077 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 235 times.
|
235 | if (result < 0) |
1078 | ✗ | return result; | |
1079 | 235 | ctx->frame_data = buf; | |
1080 | 235 | ctx->frame_size = buf_size; | |
1081 | |||
1082 | 235 | result = ctx->decode_pic_hdr(ctx, avctx); | |
1083 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 235 times.
|
235 | if (result) { |
1084 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
1085 | "Error while decoding picture header: %d\n", result); | ||
1086 | ✗ | return result; | |
1087 | } | ||
1088 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 235 times.
|
235 | if (ctx->gop_invalid) |
1089 | ✗ | return AVERROR_INVALIDDATA; | |
1090 | |||
1091 |
3/4✓ Branch 0 taken 101 times.
✓ Branch 1 taken 134 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 101 times.
|
235 | if (ctx->is_indeo4 && ctx->frame_type == IVI4_FRAMETYPE_NULL_LAST) { |
1092 | ✗ | if (ctx->got_p_frame) { | |
1093 | ✗ | av_frame_move_ref(frame, ctx->p_frame); | |
1094 | ✗ | *got_frame = 1; | |
1095 | ✗ | ctx->got_p_frame = 0; | |
1096 | } else { | ||
1097 | ✗ | *got_frame = 0; | |
1098 | } | ||
1099 | ✗ | return buf_size; | |
1100 | } | ||
1101 | |||
1102 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 235 times.
|
235 | if (ctx->gop_flags & IVI5_IS_PROTECTED) { |
1103 | ✗ | avpriv_report_missing_feature(avctx, "Password-protected clip"); | |
1104 | ✗ | return AVERROR_PATCHWELCOME; | |
1105 | } | ||
1106 | |||
1107 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 235 times.
|
235 | if (!ctx->planes[0].bands) { |
1108 | ✗ | av_log(avctx, AV_LOG_ERROR, "Color planes not initialized yet\n"); | |
1109 | ✗ | return AVERROR_INVALIDDATA; | |
1110 | } | ||
1111 | |||
1112 | 235 | ctx->switch_buffers(ctx); | |
1113 | |||
1114 |
2/2✓ Branch 1 taken 234 times.
✓ Branch 2 taken 1 times.
|
235 | if (ctx->is_nonnull_frame(ctx)) { |
1115 | 234 | ctx->buf_invalid[ctx->dst_buf] = 1; | |
1116 |
2/2✓ Branch 0 taken 700 times.
✓ Branch 1 taken 233 times.
|
933 | for (p = 0; p < 3; p++) { |
1117 |
2/2✓ Branch 0 taken 700 times.
✓ Branch 1 taken 699 times.
|
1399 | for (b = 0; b < ctx->planes[p].num_bands; b++) { |
1118 | 700 | result = decode_band(ctx, &ctx->planes[p].bands[b], avctx); | |
1119 |
2/2✓ Branch 0 taken 1 times.
✓ Branch 1 taken 699 times.
|
700 | if (result < 0) { |
1120 | 1 | av_log(avctx, AV_LOG_ERROR, | |
1121 | "Error while decoding band: %d, plane: %d\n", b, p); | ||
1122 | 1 | return result; | |
1123 | } | ||
1124 | } | ||
1125 | } | ||
1126 | 233 | ctx->buf_invalid[ctx->dst_buf] = 0; | |
1127 | } else { | ||
1128 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (ctx->is_scalable) |
1129 | ✗ | return AVERROR_INVALIDDATA; | |
1130 | |||
1131 |
2/2✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
|
4 | for (p = 0; p < 3; p++) { |
1132 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
|
3 | if (!ctx->planes[p].bands[0].buf) |
1133 | ✗ | return AVERROR_INVALIDDATA; | |
1134 | } | ||
1135 | } | ||
1136 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 234 times.
|
234 | if (ctx->buf_invalid[ctx->dst_buf]) |
1137 | ✗ | return -1; | |
1138 | |||
1139 |
2/2✓ Branch 1 taken 1 times.
✓ Branch 2 taken 233 times.
|
234 | if (!ctx->is_nonnull_frame(ctx)) |
1140 | 1 | return buf_size; | |
1141 | |||
1142 | 233 | result = ff_set_dimensions(avctx, ctx->planes[0].width, ctx->planes[0].height); | |
1143 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 233 times.
|
233 | if (result < 0) |
1144 | ✗ | return result; | |
1145 | |||
1146 |
1/2✗ Branch 1 not taken.
✓ Branch 2 taken 233 times.
|
233 | if ((result = ff_get_buffer(avctx, frame, 0)) < 0) |
1147 | ✗ | return result; | |
1148 | |||
1149 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 233 times.
|
233 | if (ctx->is_scalable) { |
1150 | ✗ | if (ctx->is_indeo4) | |
1151 | ✗ | ff_ivi_recompose_haar(&ctx->planes[0], frame->data[0], frame->linesize[0]); | |
1152 | else | ||
1153 | ✗ | ff_ivi_recompose53 (&ctx->planes[0], frame->data[0], frame->linesize[0]); | |
1154 | } else { | ||
1155 | 233 | ivi_output_plane(&ctx->planes[0], frame->data[0], frame->linesize[0]); | |
1156 | } | ||
1157 | |||
1158 | 233 | ivi_output_plane(&ctx->planes[2], frame->data[1], frame->linesize[1]); | |
1159 | 233 | ivi_output_plane(&ctx->planes[1], frame->data[2], frame->linesize[2]); | |
1160 | |||
1161 | 233 | *got_frame = 1; | |
1162 | |||
1163 | /* If the bidirectional mode is enabled, next I and the following P | ||
1164 | * frame will be sent together. Unfortunately the approach below seems | ||
1165 | * to be the only way to handle the B-frames mode. | ||
1166 | * That's exactly the same Intel decoders do. | ||
1167 | */ | ||
1168 |
4/4✓ Branch 0 taken 100 times.
✓ Branch 1 taken 133 times.
✓ Branch 2 taken 7 times.
✓ Branch 3 taken 93 times.
|
233 | if (ctx->is_indeo4 && ctx->frame_type == IVI4_FRAMETYPE_INTRA) { |
1169 | int left; | ||
1170 | |||
1171 | // skip version string | ||
1172 |
2/2✓ Branch 1 taken 126 times.
✓ Branch 2 taken 7 times.
|
133 | while (get_bits(&ctx->gb, 8)) { |
1173 |
1/2✗ Branch 1 not taken.
✓ Branch 2 taken 126 times.
|
126 | if (get_bits_left(&ctx->gb) < 8) |
1174 | ✗ | return AVERROR_INVALIDDATA; | |
1175 | } | ||
1176 | 7 | left = get_bits_count(&ctx->gb) & 0x18; | |
1177 | 7 | skip_bits_long(&ctx->gb, 64 - left); | |
1178 |
1/4✗ Branch 1 not taken.
✓ Branch 2 taken 7 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
|
7 | if (get_bits_left(&ctx->gb) > 18 && |
1179 | ✗ | show_bits(&ctx->gb, 21) == 0xBFFF8) { // syncheader + inter type | |
1180 | AVPacket pkt; | ||
1181 | ✗ | pkt.data = avpkt->data + (get_bits_count(&ctx->gb) >> 3); | |
1182 | ✗ | pkt.size = get_bits_left(&ctx->gb) >> 3; | |
1183 | ✗ | ctx->got_p_frame = 0; | |
1184 | ✗ | av_frame_unref(ctx->p_frame); | |
1185 | ✗ | ff_ivi_decode_frame(avctx, ctx->p_frame, &ctx->got_p_frame, &pkt); | |
1186 | } | ||
1187 | } | ||
1188 | |||
1189 |
2/2✓ Branch 0 taken 1 times.
✓ Branch 1 taken 232 times.
|
233 | if (ctx->show_indeo4_info) { |
1190 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (ctx->is_scalable) |
1191 | ✗ | av_log(avctx, AV_LOG_DEBUG, "This video uses scalability mode\n"); | |
1192 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (ctx->uses_tiling) |
1193 | ✗ | av_log(avctx, AV_LOG_DEBUG, "This video uses local decoding\n"); | |
1194 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (ctx->has_b_frames) |
1195 | ✗ | av_log(avctx, AV_LOG_DEBUG, "This video contains B-frames\n"); | |
1196 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (ctx->has_transp) |
1197 | ✗ | av_log(avctx, AV_LOG_DEBUG, "Transparency mode is enabled\n"); | |
1198 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (ctx->uses_haar) |
1199 | ✗ | av_log(avctx, AV_LOG_DEBUG, "This video uses Haar transform\n"); | |
1200 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
|
1 | if (ctx->uses_fullpel) |
1201 | ✗ | av_log(avctx, AV_LOG_DEBUG, "This video uses fullpel motion vectors\n"); | |
1202 | 1 | ctx->show_indeo4_info = 0; | |
1203 | } | ||
1204 | |||
1205 | 233 | return buf_size; | |
1206 | } | ||
1207 | |||
1208 | /** | ||
1209 | * Close Indeo5 decoder and clean up its context. | ||
1210 | */ | ||
1211 | 4 | av_cold int ff_ivi_decode_close(AVCodecContext *avctx) | |
1212 | { | ||
1213 | 4 | IVI45DecContext *ctx = avctx->priv_data; | |
1214 | |||
1215 | 4 | ivi_free_buffers(&ctx->planes[0]); | |
1216 | |||
1217 |
2/2✓ Branch 0 taken 1 times.
✓ Branch 1 taken 3 times.
|
4 | if (ctx->mb_vlc.cust_tab.table) |
1218 | 1 | ff_vlc_free(&ctx->mb_vlc.cust_tab); | |
1219 | |||
1220 |
1/2✗ Branch 0 not taken.
✓ Branch 1 taken 4 times.
|
4 | if (ctx->blk_vlc.cust_tab.table) |
1221 | ✗ | ff_vlc_free(&ctx->blk_vlc.cust_tab); | |
1222 | |||
1223 | 4 | av_frame_free(&ctx->p_frame); | |
1224 | |||
1225 | 4 | return 0; | |
1226 | } | ||
1227 | |||
1228 | |||
1229 | /** | ||
1230 | * Scan patterns shared between indeo4 and indeo5 | ||
1231 | */ | ||
1232 | const uint8_t ff_ivi_vertical_scan_8x8[64] = { | ||
1233 | 0, 8, 16, 24, 32, 40, 48, 56, | ||
1234 | 1, 9, 17, 25, 33, 41, 49, 57, | ||
1235 | 2, 10, 18, 26, 34, 42, 50, 58, | ||
1236 | 3, 11, 19, 27, 35, 43, 51, 59, | ||
1237 | 4, 12, 20, 28, 36, 44, 52, 60, | ||
1238 | 5, 13, 21, 29, 37, 45, 53, 61, | ||
1239 | 6, 14, 22, 30, 38, 46, 54, 62, | ||
1240 | 7, 15, 23, 31, 39, 47, 55, 63 | ||
1241 | }; | ||
1242 | |||
1243 | const uint8_t ff_ivi_horizontal_scan_8x8[64] = { | ||
1244 | 0, 1, 2, 3, 4, 5, 6, 7, | ||
1245 | 8, 9, 10, 11, 12, 13, 14, 15, | ||
1246 | 16, 17, 18, 19, 20, 21, 22, 23, | ||
1247 | 24, 25, 26, 27, 28, 29, 30, 31, | ||
1248 | 32, 33, 34, 35, 36, 37, 38, 39, | ||
1249 | 40, 41, 42, 43, 44, 45, 46, 47, | ||
1250 | 48, 49, 50, 51, 52, 53, 54, 55, | ||
1251 | 56, 57, 58, 59, 60, 61, 62, 63 | ||
1252 | }; | ||
1253 | |||
1254 | const uint8_t ff_ivi_direct_scan_4x4[16] = { | ||
1255 | 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 | ||
1256 | }; | ||
1257 | |||
1258 | |||
1259 | /** | ||
1260 | * Run-value (RLE) tables. | ||
1261 | */ | ||
1262 | const RVMapDesc ff_ivi_rvmap_tabs[9] = { | ||
1263 | { /* MapTab0 */ | ||
1264 | 5, /* eob_sym */ | ||
1265 | 2, /* esc_sym */ | ||
1266 | /* run table */ | ||
1267 | {1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 1, 1, 1, 1, 3, 3, | ||
1268 | 1, 1, 2, 2, 1, 1, 4, 4, 1, 1, 1, 1, 2, 2, 5, 5, | ||
1269 | 1, 1, 3, 3, 1, 1, 6, 6, 1, 2, 1, 2, 7, 7, 1, 1, | ||
1270 | 8, 8, 1, 1, 4, 2, 1, 4, 2, 1, 3, 3, 1, 1, 1, 9, | ||
1271 | 9, 1, 2, 1, 2, 1, 5, 5, 1, 1, 10, 10, 1, 1, 3, 3, | ||
1272 | 2, 2, 1, 1, 11, 11, 6, 4, 4, 1, 6, 1, 2, 1, 2, 12, | ||
1273 | 8, 1, 12, 7, 8, 7, 1, 16, 1, 16, 1, 3, 3, 13, 1, 13, | ||
1274 | 2, 2, 1, 15, 1, 5, 14, 15, 1, 5, 14, 1, 17, 8, 17, 8, | ||
1275 | 1, 4, 4, 2, 2, 1, 25, 25, 24, 24, 1, 3, 1, 3, 1, 8, | ||
1276 | 6, 7, 6, 1, 18, 8, 18, 1, 7, 23, 2, 2, 23, 1, 1, 21, | ||
1277 | 22, 9, 9, 22, 19, 1, 21, 5, 19, 5, 1, 33, 20, 33, 20, 8, | ||
1278 | 4, 4, 1, 32, 2, 2, 8, 3, 32, 26, 3, 1, 7, 7, 26, 6, | ||
1279 | 1, 6, 1, 1, 16, 1, 10, 1, 10, 2, 16, 29, 28, 2, 29, 28, | ||
1280 | 1, 27, 5, 8, 5, 27, 1, 8, 3, 7, 3, 31, 41, 31, 1, 41, | ||
1281 | 6, 1, 6, 7, 4, 4, 1, 1, 2, 1, 2, 11, 34, 30, 11, 1, | ||
1282 | 30, 15, 15, 34, 36, 40, 36, 40, 35, 35, 37, 37, 39, 39, 38, 38}, | ||
1283 | |||
1284 | /* value table */ | ||
1285 | { 1, -1, 0, 2, -2, 0, 3, -3, 1, -1, 4, -4, 5, -5, 1, -1, | ||
1286 | 6, -6, 2, -2, 7, -7, 1, -1, 8, -8, 9, -9, 3, -3, 1, -1, | ||
1287 | 10, -10, 2, -2, 11, -11, 1, -1, 12, 4, -12, -4, 1, -1, 13, -13, | ||
1288 | 1, -1, 14, -14, 2, 5, 15, -2, -5, -15, -3, 3, 16, -16, 17, 1, | ||
1289 | -1, -17, 6, 18, -6, -18, 2, -2, 19, -19, 1, -1, 20, -20, 4, -4, | ||
1290 | 7, -7, 21, -21, 1, -1, 2, 3, -3, 22, -2, -22, 8, 23, -8, 1, | ||
1291 | 2, -23, -1, 2, -2, -2, 24, 1, -24, -1, 25, 5, -5, 1, -25, -1, | ||
1292 | 9, -9, 26, 1, -26, 3, 1, -1, 27, -3, -1, -27, 1, 3, -1, -3, | ||
1293 | 28, -4, 4, 10, -10, -28, 1, -1, 1, -1, 29, 6, -29, -6, 30, -4, | ||
1294 | 3, 3, -3, -30, 1, 4, -1, 31, -3, 1, 11, -11, -1, -31, 32, -1, | ||
1295 | -1, 2, -2, 1, 1, -32, 1, 4, -1, -4, 33, -1, 1, 1, -1, 5, | ||
1296 | 5, -5, -33, -1, -12, 12, -5, -7, 1, 1, 7, 34, 4, -4, -1, 4, | ||
1297 | -34, -4, 35, 36, -2, -35, -2, -36, 2, 13, 2, -1, 1, -13, 1, -1, | ||
1298 | 37, 1, -5, 6, 5, -1, 38, -6, -8, 5, 8, -1, 1, 1, -37, -1, | ||
1299 | 5, 39, -5, -5, 6, -6, -38, -39, -14, 40, 14, 2, 1, 1, -2, -40, | ||
1300 | -1, -2, 2, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, -1, 1, -1} | ||
1301 | },{ | ||
1302 | /* MapTab1 */ | ||
1303 | 0, /* eob_sym */ | ||
1304 | 38, /* esc_sym */ | ||
1305 | /* run table */ | ||
1306 | {0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 8, 6, 8, 7, | ||
1307 | 7, 9, 9, 10, 10, 11, 11, 1, 12, 1, 12, 13, 13, 16, 14, 16, | ||
1308 | 14, 15, 15, 17, 17, 18, 0, 18, 19, 20, 21, 19, 22, 21, 20, 22, | ||
1309 | 25, 24, 2, 25, 24, 23, 23, 2, 26, 28, 26, 28, 29, 27, 29, 27, | ||
1310 | 33, 33, 1, 32, 1, 3, 32, 30, 36, 3, 36, 30, 31, 31, 35, 34, | ||
1311 | 37, 41, 34, 35, 37, 4, 41, 4, 49, 8, 8, 49, 40, 38, 5, 38, | ||
1312 | 40, 39, 5, 39, 42, 43, 42, 7, 57, 6, 43, 44, 6, 50, 7, 44, | ||
1313 | 57, 48, 50, 48, 45, 45, 46, 47, 51, 46, 47, 58, 1, 51, 58, 1, | ||
1314 | 52, 59, 53, 9, 52, 55, 55, 59, 53, 56, 54, 56, 54, 9, 64, 64, | ||
1315 | 60, 63, 60, 63, 61, 62, 61, 62, 2, 10, 2, 10, 11, 1, 11, 13, | ||
1316 | 12, 1, 12, 13, 16, 16, 8, 8, 14, 3, 3, 15, 14, 15, 4, 4, | ||
1317 | 1, 17, 17, 5, 1, 7, 7, 5, 6, 1, 2, 2, 6, 22, 1, 25, | ||
1318 | 21, 22, 8, 24, 1, 21, 25, 24, 8, 18, 18, 23, 9, 20, 23, 33, | ||
1319 | 29, 33, 20, 1, 19, 1, 29, 36, 9, 36, 19, 41, 28, 57, 32, 3, | ||
1320 | 28, 3, 1, 27, 49, 49, 1, 32, 26, 26, 2, 4, 4, 7, 57, 41, | ||
1321 | 2, 7, 10, 5, 37, 16, 10, 27, 8, 8, 13, 16, 37, 13, 1, 5}, | ||
1322 | |||
1323 | /* value table */ | ||
1324 | {0, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, | ||
1325 | -1, 1, -1, 1, -1, 1, -1, 2, 1, -2, -1, 1, -1, 1, 1, -1, | ||
1326 | -1, 1, -1, 1, -1, 1, 0, -1, 1, 1, 1, -1, 1, -1, -1, -1, | ||
1327 | 1, 1, 2, -1, -1, 1, -1, -2, 1, 1, -1, -1, 1, 1, -1, -1, | ||
1328 | 1, -1, 3, 1, -3, 2, -1, 1, 1, -2, -1, -1, -1, 1, 1, 1, | ||
1329 | 1, 1, -1, -1, -1, 2, -1, -2, 1, 2, -2, -1, 1, 1, 2, -1, | ||
1330 | -1, 1, -2, -1, 1, 1, -1, 2, 1, 2, -1, 1, -2, -1, -2, -1, | ||
1331 | -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, 4, -1, -1, -4, | ||
1332 | 1, 1, 1, 2, -1, -1, 1, -1, -1, 1, -1, -1, 1, -2, 1, -1, | ||
1333 | 1, 1, -1, -1, 1, 1, -1, -1, 3, 2, -3, -2, 2, 5, -2, 2, | ||
1334 | 2, -5, -2, -2, -2, 2, -3, 3, 2, 3, -3, 2, -2, -2, 3, -3, | ||
1335 | 6, 2, -2, 3, -6, 3, -3, -3, 3, 7, -4, 4, -3, 2, -7, 2, | ||
1336 | 2, -2, -4, 2, 8, -2, -2, -2, 4, 2, -2, 2, 3, 2, -2, -2, | ||
1337 | 2, 2, -2, -8, -2, 9, -2, 2, -3, -2, 2, -2, 2, 2, 2, 4, | ||
1338 | -2, -4, 10, 2, 2, -2, -9, -2, 2, -2, 5, 4, -4, 4, -2, 2, | ||
1339 | -5, -4, -3, 4, 2, -3, 3, -2, -5, 5, 3, 3, -2, -3, -10, -4} | ||
1340 | },{ | ||
1341 | /* MapTab2 */ | ||
1342 | 2, /* eob_sym */ | ||
1343 | 11, /* esc_sym */ | ||
1344 | /* run table */ | ||
1345 | {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 0, 1, 1, 5, 5, | ||
1346 | 2, 2, 6, 6, 7, 7, 1, 8, 1, 8, 3, 3, 9, 9, 1, 2, | ||
1347 | 2, 1, 4, 10, 4, 10, 11, 11, 1, 5, 12, 12, 1, 5, 13, 13, | ||
1348 | 3, 3, 6, 6, 2, 2, 14, 14, 16, 16, 15, 7, 15, 8, 8, 7, | ||
1349 | 1, 1, 17, 17, 4, 4, 1, 1, 18, 18, 2, 2, 5, 5, 25, 3, | ||
1350 | 9, 3, 25, 9, 19, 24, 19, 24, 1, 21, 20, 1, 21, 22, 20, 22, | ||
1351 | 23, 23, 8, 6, 33, 6, 8, 33, 7, 7, 26, 26, 1, 32, 1, 32, | ||
1352 | 28, 4, 28, 10, 29, 27, 27, 10, 41, 4, 29, 2, 2, 41, 36, 31, | ||
1353 | 49, 31, 34, 30, 34, 36, 30, 35, 1, 49, 11, 5, 35, 11, 1, 3, | ||
1354 | 3, 5, 37, 37, 8, 40, 8, 40, 12, 12, 42, 42, 1, 38, 16, 57, | ||
1355 | 1, 6, 16, 39, 38, 6, 7, 7, 13, 13, 39, 43, 2, 43, 57, 2, | ||
1356 | 50, 9, 44, 9, 50, 4, 15, 48, 44, 4, 1, 15, 48, 14, 14, 1, | ||
1357 | 45, 45, 8, 3, 5, 8, 51, 47, 3, 46, 46, 47, 5, 51, 1, 17, | ||
1358 | 17, 58, 1, 58, 2, 52, 52, 2, 53, 7, 59, 6, 6, 56, 53, 55, | ||
1359 | 7, 55, 1, 54, 59, 56, 54, 10, 1, 10, 4, 60, 1, 60, 8, 4, | ||
1360 | 8, 64, 64, 61, 1, 63, 3, 63, 62, 61, 5, 11, 5, 3, 11, 62}, | ||
1361 | |||
1362 | /* value table */ | ||
1363 | { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 0, 3, -3, 1, -1, | ||
1364 | 2, -2, 1, -1, 1, -1, 4, 1, -4, -1, 2, -2, 1, -1, 5, 3, | ||
1365 | -3, -5, 2, 1, -2, -1, 1, -1, 6, 2, 1, -1, -6, -2, 1, -1, | ||
1366 | 3, -3, 2, -2, 4, -4, 1, -1, 1, -1, 1, 2, -1, 2, -2, -2, | ||
1367 | 7, -7, 1, -1, 3, -3, 8, -8, 1, -1, 5, -5, 3, -3, 1, 4, | ||
1368 | 2, -4, -1, -2, 1, 1, -1, -1, 9, 1, 1, -9, -1, 1, -1, -1, | ||
1369 | 1, -1, 3, -3, 1, 3, -3, -1, 3, -3, 1, -1, 10, 1, -10, -1, | ||
1370 | 1, 4, -1, 2, 1, -1, 1, -2, 1, -4, -1, 6, -6, -1, 1, 1, | ||
1371 | 1, -1, 1, 1, -1, -1, -1, 1, 11, -1, -2, 4, -1, 2, -11, 5, | ||
1372 | -5, -4, -1, 1, 4, 1, -4, -1, -2, 2, 1, -1, 12, 1, -2, 1, | ||
1373 | -12, 4, 2, 1, -1, -4, 4, -4, 2, -2, -1, 1, 7, -1, -1, -7, | ||
1374 | -1, -3, 1, 3, 1, 5, 2, 1, -1, -5, 13, -2, -1, 2, -2, -13, | ||
1375 | 1, -1, 5, 6, 5, -5, 1, 1, -6, 1, -1, -1, -5, -1, 14, 2, | ||
1376 | -2, 1, -14, -1, 8, 1, -1, -8, 1, 5, 1, 5, -5, 1, -1, 1, | ||
1377 | -5, -1, 15, 1, -1, -1, -1, 3, -15, -3, 6, 1, 16, -1, 6, -6, | ||
1378 | -6, 1, -1, 1, -16, 1, 7, -1, 1, -1, -6, -3, 6, -7, 3, -1} | ||
1379 | },{ | ||
1380 | /* MapTab3 */ | ||
1381 | 0, /* eob_sym */ | ||
1382 | 35, /* esc_sym */ | ||
1383 | /* run table */ | ||
1384 | {0, 1, 1, 2, 2, 3, 3, 4, 4, 1, 1, 5, 5, 6, 6, 7, | ||
1385 | 7, 8, 8, 9, 9, 2, 2, 10, 10, 1, 1, 11, 11, 12, 12, 3, | ||
1386 | 3, 13, 13, 0, 14, 14, 16, 15, 16, 15, 4, 4, 17, 1, 17, 1, | ||
1387 | 5, 5, 18, 18, 2, 2, 6, 6, 8, 19, 7, 8, 7, 19, 20, 20, | ||
1388 | 21, 21, 22, 24, 22, 24, 23, 23, 1, 1, 25, 25, 3, 3, 26, 26, | ||
1389 | 9, 9, 27, 27, 28, 28, 33, 29, 4, 33, 29, 1, 4, 1, 32, 32, | ||
1390 | 2, 2, 31, 10, 30, 10, 30, 31, 34, 34, 5, 5, 36, 36, 35, 41, | ||
1391 | 35, 11, 41, 11, 37, 1, 8, 8, 37, 6, 1, 6, 40, 7, 7, 40, | ||
1392 | 12, 38, 12, 39, 39, 38, 49, 13, 49, 13, 3, 42, 3, 42, 16, 16, | ||
1393 | 43, 43, 14, 14, 1, 1, 44, 15, 44, 15, 2, 2, 57, 48, 50, 48, | ||
1394 | 57, 50, 4, 45, 45, 4, 46, 47, 47, 46, 1, 51, 1, 17, 17, 51, | ||
1395 | 8, 9, 9, 5, 58, 8, 58, 5, 52, 52, 55, 56, 53, 56, 55, 59, | ||
1396 | 59, 53, 54, 1, 6, 54, 7, 7, 6, 1, 2, 3, 2, 3, 64, 60, | ||
1397 | 60, 10, 10, 64, 61, 62, 61, 63, 1, 63, 62, 1, 18, 24, 18, 4, | ||
1398 | 25, 4, 8, 21, 21, 1, 24, 22, 25, 22, 8, 11, 19, 11, 23, 1, | ||
1399 | 20, 23, 19, 20, 5, 12, 5, 1, 16, 2, 12, 13, 2, 13, 1, 16}, | ||
1400 | |||
1401 | /* value table */ | ||
1402 | { 0, 1, -1, 1, -1, 1, -1, 1, -1, 2, -2, 1, -1, 1, -1, 1, | ||
1403 | -1, 1, -1, 1, -1, 2, -2, 1, -1, 3, -3, 1, -1, 1, -1, 2, | ||
1404 | -2, 1, -1, 0, 1, -1, 1, 1, -1, -1, 2, -2, 1, 4, -1, -4, | ||
1405 | 2, -2, 1, -1, -3, 3, 2, -2, 2, 1, 2, -2, -2, -1, 1, -1, | ||
1406 | 1, -1, 1, 1, -1, -1, 1, -1, 5, -5, 1, -1, 3, -3, 1, -1, | ||
1407 | 2, -2, 1, -1, 1, -1, 1, 1, 3, -1, -1, 6, -3, -6, -1, 1, | ||
1408 | 4, -4, 1, 2, 1, -2, -1, -1, 1, -1, 3, -3, 1, -1, 1, 1, | ||
1409 | -1, 2, -1, -2, 1, 7, -3, 3, -1, 3, -7, -3, 1, -3, 3, -1, | ||
1410 | 2, 1, -2, 1, -1, -1, 1, 2, -1, -2, -4, -1, 4, 1, 2, -2, | ||
1411 | 1, -1, -2, 2, 8, -8, -1, 2, 1, -2, -5, 5, 1, -1, -1, 1, | ||
1412 | -1, 1, 4, -1, 1, -4, -1, -1, 1, 1, 9, 1, -9, 2, -2, -1, | ||
1413 | -4, 3, -3, -4, -1, 4, 1, 4, 1, -1, 1, -1, 1, 1, -1, 1, | ||
1414 | -1, -1, -1, 10, 4, 1, 4, -4, -4, -10, 6, 5, -6, -5, 1, -1, | ||
1415 | 1, 3, -3, -1, 1, -1, -1, -1, 11, 1, 1, -11, -2, -2, 2, 5, | ||
1416 | -2, -5, -5, 2, -2, 12, 2, -2, 2, 2, 5, -3, -2, 3, -2, -12, | ||
1417 | -2, 2, 2, 2, -5, 3, 5, 13, -3, 7, -3, -3, -7, 3, -13, 3} | ||
1418 | },{ | ||
1419 | /* MapTab4 */ | ||
1420 | 0, /* eob_sym */ | ||
1421 | 34, /* esc_sym */ | ||
1422 | /* run table */ | ||
1423 | {0, 1, 1, 1, 2, 2, 1, 3, 3, 1, 1, 1, 4, 4, 1, 5, | ||
1424 | 2, 1, 5, 2, 1, 1, 6, 6, 1, 1, 1, 1, 1, 7, 3, 1, | ||
1425 | 2, 3, 0, 1, 2, 7, 1, 1, 1, 8, 1, 1, 8, 1, 1, 1, | ||
1426 | 9, 1, 9, 1, 2, 1, 1, 2, 1, 1, 10, 4, 1, 10, 1, 4, | ||
1427 | 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 2, 1, 5, 1, 1, 1, | ||
1428 | 2, 5, 1, 11, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | ||
1429 | 2, 1, 6, 1, 6, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 12, | ||
1430 | 3, 1, 12, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 1, 1, | ||
1431 | 4, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, 1, 2, 1, | ||
1432 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 5, | ||
1433 | 1, 1, 1, 1, 1, 7, 1, 7, 1, 1, 2, 3, 1, 1, 1, 1, | ||
1434 | 5, 1, 1, 1, 1, 1, 1, 2, 13, 1, 1, 1, 1, 1, 1, 1, | ||
1435 | 1, 1, 1, 1, 1, 1, 1, 1, 13, 2, 1, 1, 4, 1, 1, 1, | ||
1436 | 3, 1, 6, 1, 1, 1, 14, 1, 1, 1, 1, 1, 14, 6, 1, 1, | ||
1437 | 1, 1, 15, 2, 4, 1, 2, 3, 15, 1, 1, 1, 8, 1, 1, 8, | ||
1438 | 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1}, | ||
1439 | |||
1440 | /* value table */ | ||
1441 | { 0, 1, -1, 2, 1, -1, -2, 1, -1, 3, -3, 4, 1, -1, -4, 1, | ||
1442 | 2, 5, -1, -2, -5, 6, 1, -1, -6, 7, -7, 8, -8, 1, 2, 9, | ||
1443 | 3, -2, 0, -9, -3, -1, 10, -10, 11, 1, -11, 12, -1, -12, 13, -13, | ||
1444 | 1, 14, -1, -14, 4, 15, -15, -4, 16, -16, 1, 2, 17, -1, -17, -2, | ||
1445 | 18, -18, 19, -19, 20, 3, -20, 21, -21, -3, 5, 22, 2, -22, -23, 23, | ||
1446 | -5, -2, 24, 1, -24, -1, 25, -25, 26, -26, -27, 27, 28, 29, -28, -29, | ||
1447 | 6, 30, 2, -31, -2, -30, 31, -6, -32, 32, 33, -33, 34, -35, -34, 1, | ||
1448 | 4, -36, -1, 35, 37, 36, 7, -37, 38, -4, -38, 39, 41, 40, -40, -39, | ||
1449 | 3, 42, -43, -41, -7, -42, 43, -3, 44, -44, 45, -45, 46, 47, 8, -47, | ||
1450 | -48, -46, 50, -50, 48, 49, 51, -49, 52, -52, 5, -51, -8, -53, 53, 3, | ||
1451 | -56, 56, 55, 54, -54, 2, 60, -2, -55, 58, 9, -5, 59, 57, -57, -63, | ||
1452 | -3, -58, -60, -61, 61, -59, -62, -9, 1, 64, 62, 69, -64, 63, 65, -67, | ||
1453 | -68, 66, -65, 68, -66, -69, 67, -70, -1, 10, 71, -71, 4, 73, 72, 70, | ||
1454 | 6, -76, -3, 74, -78, -74, 1, 78, 80, -72, -75, 76, -1, 3, -73, 79, | ||
1455 | 75, 77, 1, 11, -4, -79, -10, -6, -1, -77, -83, -80, 2, 81, -84, -2, | ||
1456 | 83, -81, 82, -82, 84, -87, -86, 85, -11, -85, 86, -89, 87, -88, 88, 89} | ||
1457 | },{ | ||
1458 | /* MapTab5 */ | ||
1459 | 2, /* eob_sym */ | ||
1460 | 33, /* esc_sym */ | ||
1461 | /* run table */ | ||
1462 | {1, 1, 0, 2, 1, 2, 1, 3, 3, 1, 1, 4, 4, 2, 2, 1, | ||
1463 | 1, 5, 5, 6, 1, 6, 1, 7, 7, 3, 3, 2, 8, 2, 8, 1, | ||
1464 | 1, 0, 9, 9, 1, 1, 10, 4, 10, 4, 11, 11, 2, 1, 2, 1, | ||
1465 | 12, 12, 3, 3, 1, 1, 13, 5, 5, 13, 14, 1, 1, 14, 2, 2, | ||
1466 | 6, 6, 15, 1, 1, 15, 16, 4, 7, 16, 4, 7, 1, 1, 3, 3, | ||
1467 | 8, 8, 2, 2, 1, 1, 17, 17, 1, 1, 18, 18, 5, 5, 2, 2, | ||
1468 | 1, 1, 9, 19, 9, 19, 20, 3, 3, 20, 1, 10, 21, 1, 10, 4, | ||
1469 | 4, 21, 22, 6, 6, 22, 1, 1, 23, 24, 2, 2, 23, 24, 11, 1, | ||
1470 | 1, 11, 7, 25, 7, 1, 1, 25, 8, 8, 3, 26, 3, 1, 12, 2, | ||
1471 | 2, 26, 1, 12, 5, 5, 27, 4, 1, 4, 1, 27, 28, 1, 28, 13, | ||
1472 | 1, 13, 2, 29, 2, 1, 32, 6, 1, 30, 14, 29, 14, 6, 3, 31, | ||
1473 | 3, 1, 30, 1, 32, 31, 33, 9, 33, 1, 1, 7, 9, 7, 2, 2, | ||
1474 | 1, 1, 4, 36, 34, 4, 5, 10, 10, 5, 34, 1, 1, 35, 8, 8, | ||
1475 | 36, 3, 35, 1, 15, 3, 2, 1, 16, 15, 16, 2, 37, 1, 37, 1, | ||
1476 | 1, 1, 6, 6, 38, 1, 38, 11, 1, 39, 39, 40, 11, 2, 41, 4, | ||
1477 | 40, 1, 2, 4, 1, 1, 1, 41, 3, 1, 3, 1, 5, 7, 5, 7}, | ||
1478 | |||
1479 | /* value table */ | ||
1480 | { 1, -1, 0, 1, 2, -1, -2, 1, -1, 3, -3, 1, -1, 2, -2, 4, | ||
1481 | -4, 1, -1, 1, 5, -1, -5, 1, -1, 2, -2, 3, 1, -3, -1, 6, | ||
1482 | -6, 0, 1, -1, 7, -7, 1, 2, -1, -2, 1, -1, 4, 8, -4, -8, | ||
1483 | 1, -1, 3, -3, 9, -9, 1, 2, -2, -1, 1, 10, -10, -1, 5, -5, | ||
1484 | 2, -2, 1, 11, -11, -1, 1, 3, 2, -1, -3, -2, 12, -12, 4, -4, | ||
1485 | 2, -2, -6, 6, 13, -13, 1, -1, 14, -14, 1, -1, 3, -3, 7, -7, | ||
1486 | 15, -15, 2, 1, -2, -1, 1, 5, -5, -1, -16, 2, 1, 16, -2, 4, | ||
1487 | -4, -1, 1, 3, -3, -1, 17, -17, 1, 1, -8, 8, -1, -1, 2, 18, | ||
1488 | -18, -2, 3, 1, -3, 19, -19, -1, 3, -3, 6, 1, -6, 20, 2, 9, | ||
1489 | -9, -1, -20, -2, 4, -4, 1, -5, 21, 5, -21, -1, 1, -22, -1, 2, | ||
1490 | 22, -2, 10, 1, -10, 23, 1, 4, -23, 1, 2, -1, -2, -4, -7, 1, | ||
1491 | 7, -24, -1, 24, -1, -1, 1, 3, -1, -25, 25, 4, -3, -4, 11, -11, | ||
1492 | 26, -26, 6, 1, 1, -6, -5, -3, 3, 5, -1, -27, 27, 1, 4, -4, | ||
1493 | -1, -8, -1, 28, 2, 8, -12, -28, -2, -2, 2, 12, -1, 29, 1, -29, | ||
1494 | 30, -30, 5, -5, 1, -31, -1, 3, 31, -1, 1, 1, -3, -13, 1, -7, | ||
1495 | -1, -32, 13, 7, 32, 33, -33, -1, -9, -34, 9, 34, -6, 5, 6, -5} | ||
1496 | },{ | ||
1497 | /* MapTab6 */ | ||
1498 | 2, /* eob_sym */ | ||
1499 | 13, /* esc_sym */ | ||
1500 | /* run table */ | ||
1501 | {1, 1, 0, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 0, 2, 2, | ||
1502 | 4, 1, 4, 1, 1, 1, 5, 5, 1, 1, 6, 6, 2, 2, 1, 1, | ||
1503 | 3, 3, 7, 7, 1, 1, 8, 8, 1, 1, 2, 2, 1, 9, 1, 9, | ||
1504 | 4, 4, 10, 1, 1, 10, 1, 1, 11, 11, 3, 3, 1, 2, 1, 2, | ||
1505 | 1, 1, 12, 12, 5, 5, 1, 1, 13, 1, 1, 13, 2, 2, 1, 1, | ||
1506 | 6, 6, 1, 1, 4, 14, 4, 14, 3, 1, 3, 1, 1, 1, 15, 7, | ||
1507 | 15, 2, 2, 7, 1, 1, 1, 8, 1, 8, 16, 16, 1, 1, 1, 1, | ||
1508 | 2, 1, 1, 2, 1, 1, 3, 5, 5, 3, 4, 1, 1, 4, 1, 1, | ||
1509 | 17, 17, 9, 1, 1, 9, 2, 2, 1, 1, 10, 10, 1, 6, 1, 1, | ||
1510 | 6, 18, 1, 1, 18, 1, 1, 1, 2, 2, 3, 1, 3, 1, 1, 1, | ||
1511 | 4, 1, 19, 1, 19, 7, 1, 1, 20, 1, 4, 20, 1, 7, 11, 2, | ||
1512 | 1, 11, 21, 2, 8, 5, 1, 8, 1, 5, 21, 1, 1, 1, 22, 1, | ||
1513 | 1, 22, 1, 1, 3, 3, 1, 23, 2, 12, 24, 1, 1, 2, 1, 1, | ||
1514 | 12, 23, 1, 1, 24, 1, 1, 1, 4, 1, 1, 1, 2, 1, 6, 6, | ||
1515 | 4, 2, 1, 1, 1, 1, 1, 1, 1, 14, 13, 3, 1, 25, 9, 25, | ||
1516 | 14, 1, 9, 3, 13, 1, 1, 1, 1, 1, 10, 1, 1, 2, 10, 2}, | ||
1517 | |||
1518 | /* value table */ | ||
1519 | {-20, -1, 0, 2, -2, 1, -1, 3, -3, 1, -1, 4, -4, 0, 2, -2, | ||
1520 | 1, 5, -1, -5, 6, -6, 1, -1, 7, -7, 1, -1, 3, -3, 8, -8, | ||
1521 | 2, -2, 1, -1, 9, -9, 1, -1, 10, -10, 4, -4, 11, 1, -11, -1, | ||
1522 | 2, -2, 1, 12, -12, -1, 13, -13, 1, -1, 3, -3, 14, 5, -14, -5, | ||
1523 | -15, 15, -1, 1, 2, -2, 16, -16, 1, 17, -17, -1, 6, -6, 18, -18, | ||
1524 | 2, -2, -19, 19, -3, 1, 3, -1, 4, 20, -4, 1, -21, 21, 1, 2, | ||
1525 | -1, -7, 7, -2, 22, -22, 23, 2, -23, -2, 1, -1, -24, 24, -25, 25, | ||
1526 | -8, -26, 26, 8, -27, 27, 5, 3, -3, -5, -4, 28, -28, 4, 29, -29, | ||
1527 | 1, -1, -2, -30, 30, 2, 9, -9, -31, 31, 2, -2, -32, 3, 32, -33, | ||
1528 | -3, 1, 33, -34, -1, 34, -35, 35, -10, 10, -6, 36, 6, -36, 37, -37, | ||
1529 | -5, 38, 1, -38, -1, 3, 39, -39, -1, 40, 5, 1, -40, -3, 2, -11, | ||
1530 | -41, -2, 1, 11, -3, -4, 41, 3, 42, 4, -1, -43, -42, 43, 1, -44, | ||
1531 | 45, -1, 44, -45, -7, 7, -46, 1, -12, 2, 1, -47, 46, 12, 47, 48, | ||
1532 | -2, -1, -48, 49, -1, -50, -49, 50, -6, -51, 51, 52, -13, 53, -4, 4, | ||
1533 | 6, 13, -53, -52, -54, 55, 54, -55, -56, -2, 2, -8, 56, 1, -3, -1, | ||
1534 | 2, 58, 3, 8, -2, 57, -58, -60, -59, -57, -3, 60, 59, -14, 3, 14} | ||
1535 | },{ | ||
1536 | /* MapTab7 */ | ||
1537 | 2, /* eob_sym */ | ||
1538 | 38, /* esc_sym */ | ||
1539 | /* run table */ | ||
1540 | {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 5, 5, 1, 1, 6, | ||
1541 | 6, 2, 2, 7, 7, 8, 8, 1, 1, 3, 3, 9, 9, 10, 10, 1, | ||
1542 | 1, 2, 2, 4, 4, 11, 0, 11, 12, 12, 13, 13, 1, 1, 5, 5, | ||
1543 | 14, 14, 15, 16, 15, 16, 3, 3, 1, 6, 1, 6, 2, 2, 7, 7, | ||
1544 | 8, 8, 17, 17, 1, 1, 4, 4, 18, 18, 2, 2, 1, 19, 1, 20, | ||
1545 | 19, 20, 21, 21, 3, 3, 22, 22, 5, 5, 24, 1, 1, 23, 9, 23, | ||
1546 | 24, 9, 2, 2, 10, 1, 1, 10, 6, 6, 25, 4, 4, 25, 7, 7, | ||
1547 | 26, 8, 1, 8, 3, 1, 26, 3, 11, 11, 27, 27, 2, 28, 1, 2, | ||
1548 | 28, 1, 12, 12, 5, 5, 29, 13, 13, 29, 32, 1, 1, 33, 31, 30, | ||
1549 | 32, 4, 30, 33, 4, 31, 3, 14, 1, 1, 3, 34, 34, 2, 2, 14, | ||
1550 | 6, 6, 35, 36, 35, 36, 1, 15, 1, 16, 16, 15, 7, 9, 7, 9, | ||
1551 | 37, 8, 8, 37, 1, 1, 39, 2, 38, 39, 2, 40, 5, 38, 40, 5, | ||
1552 | 3, 3, 4, 4, 10, 10, 1, 1, 1, 1, 41, 2, 41, 2, 6, 6, | ||
1553 | 1, 1, 11, 42, 11, 43, 3, 42, 3, 17, 4, 43, 1, 17, 7, 1, | ||
1554 | 8, 44, 4, 7, 44, 5, 8, 2, 5, 1, 2, 48, 45, 1, 12, 45, | ||
1555 | 12, 48, 13, 13, 1, 9, 9, 46, 1, 46, 47, 47, 49, 18, 18, 49}, | ||
1556 | |||
1557 | /* value table */ | ||
1558 | { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 1, -1, 3, -3, 1, | ||
1559 | -1, -2, 2, 1, -1, 1, -1, 4, -4, -2, 2, 1, -1, 1, -1, 5, | ||
1560 | -5, -3, 3, 2, -2, 1, 0, -1, 1, -1, 1, -1, 6, -6, 2, -2, | ||
1561 | 1, -1, 1, 1, -1, -1, -3, 3, 7, 2, -7, -2, -4, 4, 2, -2, | ||
1562 | 2, -2, 1, -1, 8, -8, 3, -3, 1, -1, -5, 5, 9, 1, -9, 1, | ||
1563 | -1, -1, 1, -1, -4, 4, 1, -1, 3, -3, 1, -10, 10, 1, 2, -1, | ||
1564 | -1, -2, 6, -6, 2, 11, -11, -2, 3, -3, 1, -4, 4, -1, 3, -3, | ||
1565 | 1, 3, 12, -3, -5, -12, -1, 5, 2, -2, 1, -1, -7, 1, 13, 7, | ||
1566 | -1, -13, 2, -2, 4, -4, 1, 2, -2, -1, 1, 14, -14, 1, 1, 1, | ||
1567 | -1, -5, -1, -1, 5, -1, -6, 2, -15, 15, 6, 1, -1, -8, 8, -2, | ||
1568 | -4, 4, 1, 1, -1, -1, 16, 2, -16, -2, 2, -2, 4, 3, -4, -3, | ||
1569 | -1, -4, 4, 1, -17, 17, -1, -9, 1, 1, 9, 1, -5, -1, -1, 5, | ||
1570 | -7, 7, 6, -6, 3, -3, 18, -18, 19, -19, 1, -10, -1, 10, -5, 5, | ||
1571 | 20, -20, -3, 1, 3, 1, 8, -1, -8, 2, 7, -1, -21, -2, 5, 21, | ||
1572 | 5, -1, -7, -5, 1, -6, -5, -11, 6, 22, 11, 1, 1, -22, -3, -1, | ||
1573 | 3, -1, 3, -3, -23, 4, -4, 1, 23, -1, 1, -1, 1, -2, 2, -1} | ||
1574 | },{ | ||
1575 | /* MapTab8 */ | ||
1576 | 4, /* eob_sym */ | ||
1577 | 11, /* esc_sym */ | ||
1578 | /* run table */ | ||
1579 | {1, 1, 1, 1, 0, 2, 2, 1, 1, 3, 3, 0, 1, 1, 2, 2, | ||
1580 | 4, 4, 1, 1, 5, 5, 1, 1, 2, 2, 3, 3, 6, 6, 1, 1, | ||
1581 | 7, 7, 8, 1, 8, 2, 2, 1, 4, 4, 1, 3, 1, 3, 9, 9, | ||
1582 | 2, 2, 1, 5, 1, 5, 10, 10, 1, 1, 11, 11, 3, 6, 3, 4, | ||
1583 | 4, 6, 2, 2, 1, 12, 1, 12, 7, 13, 7, 13, 1, 1, 8, 8, | ||
1584 | 2, 2, 14, 14, 16, 15, 16, 5, 5, 1, 3, 15, 1, 3, 4, 4, | ||
1585 | 1, 1, 17, 17, 2, 2, 6, 6, 1, 18, 1, 18, 22, 21, 22, 21, | ||
1586 | 25, 24, 25, 19, 9, 20, 9, 23, 19, 24, 20, 3, 23, 7, 3, 1, | ||
1587 | 1, 7, 28, 26, 29, 5, 28, 26, 5, 8, 29, 4, 8, 27, 2, 2, | ||
1588 | 4, 27, 1, 1, 10, 36, 10, 33, 33, 36, 30, 1, 32, 32, 1, 30, | ||
1589 | 6, 31, 31, 35, 3, 6, 11, 11, 3, 2, 35, 2, 34, 1, 34, 1, | ||
1590 | 37, 37, 12, 7, 12, 5, 41, 5, 4, 7, 1, 8, 13, 4, 1, 41, | ||
1591 | 13, 38, 8, 38, 9, 1, 40, 40, 9, 1, 39, 2, 2, 49, 39, 42, | ||
1592 | 3, 3, 14, 16, 49, 14, 16, 42, 43, 43, 6, 6, 15, 1, 1, 15, | ||
1593 | 44, 44, 1, 1, 50, 48, 4, 5, 4, 7, 5, 2, 10, 10, 48, 7, | ||
1594 | 50, 45, 2, 1, 45, 8, 8, 1, 46, 46, 3, 47, 47, 3, 1, 1}, | ||
1595 | |||
1596 | /* value table */ | ||
1597 | { 1, -1, 2, -2, 0, 1, -1, 3, -3, 1, -1, 0, 4, -4, 2, -2, | ||
1598 | 1, -1, 5, -5, 1, -1, 6, -6, 3, -3, 2, -2, 1, -1, 7, -7, | ||
1599 | 1, -1, 1, 8, -1, 4, -4, -8, 2, -2, 9, 3, -9, -3, 1, -1, | ||
1600 | 5, -5, 10, 2, -10, -2, 1, -1, 11, -11, 1, -1, -4, 2, 4, 3, | ||
1601 | -3, -2, 6, -6, 12, 1, -12, -1, 2, 1, -2, -1, 13, -13, 2, -2, | ||
1602 | 7, -7, 1, -1, 1, 1, -1, 3, -3, 14, 5, -1, -14, -5, 4, -4, | ||
1603 | 15, -15, 1, -1, 8, -8, -3, 3, 16, 1, -16, -1, 1, 1, -1, -1, | ||
1604 | 1, 1, -1, 1, 2, 1, -2, 1, -1, -1, -1, 6, -1, 3, -6, 17, | ||
1605 | -17, -3, 1, 1, 1, 4, -1, -1, -4, 3, -1, 5, -3, -1, -9, 9, | ||
1606 | -5, 1, 18, -18, 2, 1, -2, 1, -1, -1, 1, 19, -1, 1, -19, -1, | ||
1607 | 4, 1, -1, 1, 7, -4, -2, 2, -7, 10, -1, -10, 1, 20, -1, -20, | ||
1608 | 1, -1, 2, 4, -2, 5, 1, -5, 6, -4, 21, 4, 2, -6, -21, -1, | ||
1609 | -2, 1, -4, -1, -3, 22, -1, 1, 3, -22, -1, 11, -11, 1, 1, 1, | ||
1610 | 8, -8, 2, 2, -1, -2, -2, -1, 1, -1, -5, 5, 2, 23, -23, -2, | ||
1611 | 1, -1, 24, -24, -1, -1, 7, 6, -7, 5, -6, 12, -3, 3, 1, -5, | ||
1612 | 1, 1, -12, 25, -1, -5, 5, -25, -1, 1, 9, 1, -1, -9, 26, -26} | ||
1613 | } | ||
1614 | }; | ||
1615 |