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1 | /* | ||
2 | * Copyright (c) The FFmpeg developers | ||
3 | * | ||
4 | * This file is part of FFmpeg. | ||
5 | * | ||
6 | * FFmpeg is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU Lesser General Public | ||
8 | * License as published by the Free Software Foundation; either | ||
9 | * version 2.1 of the License, or (at your option) any later version. | ||
10 | * | ||
11 | * FFmpeg is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | * Lesser General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU Lesser General Public | ||
17 | * License along with FFmpeg; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
19 | */ | ||
20 | |||
21 | #include <limits.h> | ||
22 | #include <stdarg.h> | ||
23 | #include <stdint.h> | ||
24 | #include <stdio.h> | ||
25 | #include <string.h> | ||
26 | |||
27 | #include "libavutil/mem.h" | ||
28 | #include "libavutil/avassert.h" | ||
29 | #include "libavutil/bprint.h" | ||
30 | #include "libavutil/error.h" | ||
31 | #include "libavutil/hash.h" | ||
32 | #include "libavutil/intreadwrite.h" | ||
33 | #include "libavutil/macros.h" | ||
34 | #include "libavutil/opt.h" | ||
35 | #include "avtextformat.h" | ||
36 | |||
37 | #define SECTION_ID_NONE (-1) | ||
38 | |||
39 | #define SHOW_OPTIONAL_FIELDS_AUTO (-1) | ||
40 | #define SHOW_OPTIONAL_FIELDS_NEVER 0 | ||
41 | #define SHOW_OPTIONAL_FIELDS_ALWAYS 1 | ||
42 | |||
43 | static const struct { | ||
44 | double bin_val; | ||
45 | double dec_val; | ||
46 | const char *bin_str; | ||
47 | const char *dec_str; | ||
48 | } si_prefixes[] = { | ||
49 | { 1.0, 1.0, "", "" }, | ||
50 | { 1.024e3, 1e3, "Ki", "K" }, | ||
51 | { 1.048576e6, 1e6, "Mi", "M" }, | ||
52 | { 1.073741824e9, 1e9, "Gi", "G" }, | ||
53 | { 1.099511627776e12, 1e12, "Ti", "T" }, | ||
54 | { 1.125899906842624e15, 1e15, "Pi", "P" }, | ||
55 | }; | ||
56 | |||
57 | ✗ | static const char *textcontext_get_formatter_name(void *p) | |
58 | { | ||
59 | ✗ | AVTextFormatContext *tctx = p; | |
60 | ✗ | return tctx->formatter->name; | |
61 | } | ||
62 | |||
63 | #define OFFSET(x) offsetof(AVTextFormatContext, x) | ||
64 | |||
65 | static const AVOption textcontext_options[] = { | ||
66 | { "string_validation", "set string validation mode", | ||
67 | OFFSET(string_validation), AV_OPT_TYPE_INT, { .i64 = AV_TEXTFORMAT_STRING_VALIDATION_REPLACE }, 0, AV_TEXTFORMAT_STRING_VALIDATION_NB - 1, .unit = "sv" }, | ||
68 | { "sv", "set string validation mode", | ||
69 | OFFSET(string_validation), AV_OPT_TYPE_INT, { .i64 = AV_TEXTFORMAT_STRING_VALIDATION_REPLACE }, 0, AV_TEXTFORMAT_STRING_VALIDATION_NB - 1, .unit = "sv" }, | ||
70 | { "ignore", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_TEXTFORMAT_STRING_VALIDATION_IGNORE }, .unit = "sv" }, | ||
71 | { "replace", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_TEXTFORMAT_STRING_VALIDATION_REPLACE }, .unit = "sv" }, | ||
72 | { "fail", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_TEXTFORMAT_STRING_VALIDATION_FAIL }, .unit = "sv" }, | ||
73 | { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, { .str = "" } }, | ||
74 | { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, { .str = "\xEF\xBF\xBD" } }, | ||
75 | { NULL } | ||
76 | }; | ||
77 | |||
78 | 34 | static void *textcontext_child_next(void *obj, void *prev) | |
79 | { | ||
80 | 34 | AVTextFormatContext *ctx = obj; | |
81 |
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34 | if (!prev && ctx->formatter && ctx->formatter->priv_class && ctx->priv) |
82 | 34 | return ctx->priv; | |
83 | ✗ | return NULL; | |
84 | } | ||
85 | |||
86 | static const AVClass textcontext_class = { | ||
87 | .class_name = "AVTextContext", | ||
88 | .item_name = textcontext_get_formatter_name, | ||
89 | .option = textcontext_options, | ||
90 | .version = LIBAVUTIL_VERSION_INT, | ||
91 | .child_next = textcontext_child_next, | ||
92 | }; | ||
93 | |||
94 | ✗ | static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size) | |
95 | { | ||
96 | ✗ | av_bprintf(bp, "0X"); | |
97 | ✗ | for (unsigned i = 0; i < ubuf_size; i++) | |
98 | ✗ | av_bprintf(bp, "%02X", ubuf[i]); | |
99 | ✗ | } | |
100 | |||
101 | 159 | int avtext_context_close(AVTextFormatContext **ptctx) | |
102 | { | ||
103 | 159 | AVTextFormatContext *tctx = *ptctx; | |
104 | int i; | ||
105 | 159 | int ret = 0; | |
106 | |||
107 |
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159 | if (!tctx) |
108 | ✗ | return AVERROR(EINVAL); | |
109 | |||
110 | 159 | av_hash_freep(&tctx->hash); | |
111 | |||
112 | 159 | av_hash_freep(&tctx->hash); | |
113 | |||
114 |
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159 | if (tctx->formatter) { |
115 |
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159 | if (tctx->formatter->uninit) |
116 | ✗ | ret = tctx->formatter->uninit(tctx); | |
117 |
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159 | if (tctx->formatter->priv_class) |
118 | 159 | av_opt_free(tctx->priv); | |
119 | } | ||
120 |
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2067 | for (i = 0; i < SECTION_MAX_NB_LEVELS; i++) |
121 | 1908 | av_bprint_finalize(&tctx->section_pbuf[i], NULL); | |
122 | 159 | av_freep(&tctx->priv); | |
123 | 159 | av_opt_free(tctx); | |
124 | 159 | av_freep(ptctx); | |
125 | 159 | return ret; | |
126 | } | ||
127 | |||
128 | |||
129 | 159 | int avtext_context_open(AVTextFormatContext **ptctx, const AVTextFormatter *formatter, AVTextWriterContext *writer_context, const char *args, | |
130 | const AVTextFormatSection *sections, int nb_sections, AVTextFormatOptions options, char *show_data_hash) | ||
131 | { | ||
132 | AVTextFormatContext *tctx; | ||
133 | 159 | int i, ret = 0; | |
134 | |||
135 |
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159 | av_assert0(ptctx && formatter); |
136 | |||
137 |
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159 | if (!(tctx = av_mallocz(sizeof(AVTextFormatContext)))) { |
138 | ✗ | ret = AVERROR(ENOMEM); | |
139 | ✗ | goto fail; | |
140 | } | ||
141 | |||
142 |
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2067 | for (int i = 0; i < SECTION_MAX_NB_LEVELS; i++) |
143 | 1908 | av_bprint_init(&tctx->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED); | |
144 | |||
145 | 159 | tctx->class = &textcontext_class; | |
146 | 159 | av_opt_set_defaults(tctx); | |
147 | |||
148 |
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159 | if (!(tctx->priv = av_mallocz(formatter->priv_size))) { |
149 | ✗ | ret = AVERROR(ENOMEM); | |
150 | ✗ | goto fail; | |
151 | } | ||
152 | |||
153 | 159 | tctx->show_value_unit = options.show_value_unit; | |
154 | 159 | tctx->use_value_prefix = options.use_value_prefix; | |
155 | 159 | tctx->use_byte_value_binary_prefix = options.use_byte_value_binary_prefix; | |
156 | 159 | tctx->use_value_sexagesimal_format = options.use_value_sexagesimal_format; | |
157 | 159 | tctx->show_optional_fields = options.show_optional_fields; | |
158 | |||
159 |
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159 | if (nb_sections > SECTION_MAX_NB_SECTIONS) { |
160 | ✗ | av_log(tctx, AV_LOG_ERROR, "The number of section definitions (%d) is larger than the maximum allowed (%d)\n", nb_sections, SECTION_MAX_NB_SECTIONS); | |
161 | ✗ | ret = AVERROR(EINVAL); | |
162 | ✗ | goto fail; | |
163 | } | ||
164 | |||
165 | 159 | tctx->formatter = formatter; | |
166 | 159 | tctx->level = -1; | |
167 | 159 | tctx->sections = sections; | |
168 | 159 | tctx->nb_sections = nb_sections; | |
169 | 159 | tctx->writer = writer_context; | |
170 | |||
171 |
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159 | if (formatter->priv_class) { |
172 | 159 | void *priv_ctx = tctx->priv; | |
173 | 159 | *(const AVClass **)priv_ctx = formatter->priv_class; | |
174 | 159 | av_opt_set_defaults(priv_ctx); | |
175 | } | ||
176 | |||
177 | /* convert options to dictionary */ | ||
178 |
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159 | if (args) { |
179 | 24 | AVDictionary *opts = NULL; | |
180 | 24 | const AVDictionaryEntry *opt = NULL; | |
181 | |||
182 |
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24 | if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) { |
183 | ✗ | av_log(tctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to textformat context\n", args); | |
184 | ✗ | av_dict_free(&opts); | |
185 | ✗ | goto fail; | |
186 | } | ||
187 | |||
188 |
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58 | while ((opt = av_dict_iterate(opts, opt))) { |
189 |
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34 | if ((ret = av_opt_set(tctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) { |
190 | ✗ | av_log(tctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to textformat context\n", | |
191 | ✗ | opt->key, opt->value); | |
192 | ✗ | av_dict_free(&opts); | |
193 | ✗ | goto fail; | |
194 | } | ||
195 | } | ||
196 | |||
197 | 24 | av_dict_free(&opts); | |
198 | } | ||
199 | |||
200 |
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159 | if (show_data_hash) { |
201 |
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11 | if ((ret = av_hash_alloc(&tctx->hash, show_data_hash)) < 0) { |
202 | ✗ | if (ret == AVERROR(EINVAL)) { | |
203 | const char *n; | ||
204 | ✗ | av_log(NULL, AV_LOG_ERROR, "Unknown hash algorithm '%s'\nKnown algorithms:", show_data_hash); | |
205 | ✗ | for (i = 0; (n = av_hash_names(i)); i++) | |
206 | ✗ | av_log(NULL, AV_LOG_ERROR, " %s", n); | |
207 | ✗ | av_log(NULL, AV_LOG_ERROR, "\n"); | |
208 | } | ||
209 | ✗ | goto fail; | |
210 | } | ||
211 | } | ||
212 | |||
213 | /* validate replace string */ | ||
214 | { | ||
215 | 159 | const uint8_t *p = (uint8_t *)tctx->string_validation_replacement; | |
216 | 159 | const uint8_t *endp = p + strlen((const char *)p); | |
217 |
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318 | while (*p) { |
218 | 159 | const uint8_t *p0 = p; | |
219 | int32_t code; | ||
220 | 159 | ret = av_utf8_decode(&code, &p, endp, tctx->string_validation_utf8_flags); | |
221 |
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159 | if (ret < 0) { |
222 | AVBPrint bp; | ||
223 | ✗ | av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC); | |
224 | ✗ | bprint_bytes(&bp, p0, p - p0); | |
225 | ✗ | av_log(tctx, AV_LOG_ERROR, | |
226 | "Invalid UTF8 sequence %s found in string validation replace '%s'\n", | ||
227 | ✗ | bp.str, tctx->string_validation_replacement); | |
228 | ✗ | return ret; | |
229 | goto fail; | ||
230 | } | ||
231 | } | ||
232 | } | ||
233 | |||
234 |
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159 | if (tctx->formatter->init) |
235 | 48 | ret = tctx->formatter->init(tctx); | |
236 |
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159 | if (ret < 0) |
237 | ✗ | goto fail; | |
238 | |||
239 | 159 | *ptctx = tctx; | |
240 | |||
241 | 159 | return 0; | |
242 | |||
243 | ✗ | fail: | |
244 | ✗ | avtext_context_close(&tctx); | |
245 | ✗ | return ret; | |
246 | } | ||
247 | |||
248 | /* Temporary definitions during refactoring */ | ||
249 | static const char unit_second_str[] = "s"; | ||
250 | static const char unit_hertz_str[] = "Hz"; | ||
251 | static const char unit_byte_str[] = "byte"; | ||
252 | static const char unit_bit_per_second_str[] = "bit/s"; | ||
253 | |||
254 | |||
255 | 13355 | void avtext_print_section_header(AVTextFormatContext *tctx, const void *data, int section_id) | |
256 | { | ||
257 |
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13355 | if (section_id < 0 || section_id >= tctx->nb_sections) { |
258 | ✗ | av_log(tctx, AV_LOG_ERROR, "Invalid section_id for section_header: %d\n", section_id); | |
259 | ✗ | return; | |
260 | } | ||
261 | |||
262 | 13355 | tctx->level++; | |
263 |
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13355 | av_assert0(tctx->level < SECTION_MAX_NB_LEVELS); |
264 | |||
265 | 13355 | tctx->nb_item[tctx->level] = 0; | |
266 | 13355 | memset(tctx->nb_item_type[tctx->level], 0, sizeof(tctx->nb_item_type[tctx->level])); | |
267 | 13355 | tctx->section[tctx->level] = &tctx->sections[section_id]; | |
268 | |||
269 |
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13355 | if (tctx->formatter->print_section_header) |
270 | 13355 | tctx->formatter->print_section_header(tctx, data); | |
271 | } | ||
272 | |||
273 | 13355 | void avtext_print_section_footer(AVTextFormatContext *tctx) | |
274 | { | ||
275 |
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13355 | if (tctx->level < 0 || tctx->level >= SECTION_MAX_NB_LEVELS) { |
276 | ✗ | av_log(tctx, AV_LOG_ERROR, "Invalid level for section_footer: %d\n", tctx->level); | |
277 | ✗ | return; | |
278 | } | ||
279 | |||
280 | 13355 | int section_id = tctx->section[tctx->level]->id; | |
281 | 26710 | int parent_section_id = tctx->level ? | |
282 |
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13355 | tctx->section[tctx->level - 1]->id : SECTION_ID_NONE; |
283 | |||
284 |
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13355 | if (parent_section_id != SECTION_ID_NONE) { |
285 | 13196 | tctx->nb_item[tctx->level - 1]++; | |
286 | 13196 | tctx->nb_item_type[tctx->level - 1][section_id]++; | |
287 | } | ||
288 | |||
289 |
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13355 | if (tctx->formatter->print_section_footer) |
290 | 13265 | tctx->formatter->print_section_footer(tctx); | |
291 | 13355 | tctx->level--; | |
292 | } | ||
293 | |||
294 | 61281 | void avtext_print_integer(AVTextFormatContext *tctx, const char *key, int64_t val, int flags) | |
295 | { | ||
296 | const AVTextFormatSection *section; | ||
297 | |||
298 |
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61281 | av_assert0(tctx); |
299 | |||
300 |
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61281 | if (tctx->show_optional_fields == SHOW_OPTIONAL_FIELDS_NEVER) |
301 | ✗ | return; | |
302 | |||
303 |
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61281 | if (tctx->show_optional_fields == SHOW_OPTIONAL_FIELDS_AUTO |
304 |
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61281 | && (flags & AV_TEXTFORMAT_PRINT_STRING_OPTIONAL) |
305 | ✗ | && !(tctx->formatter->flags & AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS)) | |
306 | ✗ | return; | |
307 | |||
308 |
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61281 | av_assert0(key && tctx->level >= 0 && tctx->level < SECTION_MAX_NB_LEVELS); |
309 | |||
310 | 61281 | section = tctx->section[tctx->level]; | |
311 | |||
312 |
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61281 | if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { |
313 | 40139 | tctx->formatter->print_integer(tctx, key, val); | |
314 | 40139 | tctx->nb_item[tctx->level]++; | |
315 | } | ||
316 | } | ||
317 | |||
318 | 5904 | static inline int validate_string(AVTextFormatContext *tctx, char **dstp, const char *src) | |
319 | { | ||
320 | 5904 | const uint8_t *p, *endp, *srcp = (const uint8_t *)src; | |
321 | AVBPrint dstbuf; | ||
322 | AVBPrint invalid_seq; | ||
323 | 5904 | int invalid_chars_nb = 0, ret = 0; | |
324 | |||
325 | 5904 | *dstp = NULL; | |
326 | 5904 | av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED); | |
327 | 5904 | av_bprint_init(&invalid_seq, 0, AV_BPRINT_SIZE_UNLIMITED); | |
328 | |||
329 | 5904 | endp = srcp + strlen(src); | |
330 |
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98723 | for (p = srcp; *p;) { |
331 | int32_t code; | ||
332 | 92819 | int invalid = 0; | |
333 | 92819 | const uint8_t *p0 = p; | |
334 | |||
335 |
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92819 | if (av_utf8_decode(&code, &p, endp, tctx->string_validation_utf8_flags) < 0) { |
336 | |||
337 | ✗ | av_bprint_clear(&invalid_seq); | |
338 | |||
339 | ✗ | bprint_bytes(&invalid_seq, p0, p - p0); | |
340 | |||
341 | ✗ | av_log(tctx, AV_LOG_DEBUG, "Invalid UTF-8 sequence '%s' found in string '%s'\n", invalid_seq.str, src); | |
342 | ✗ | invalid = 1; | |
343 | } | ||
344 | |||
345 |
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92819 | if (invalid) { |
346 | ✗ | invalid_chars_nb++; | |
347 | |||
348 | ✗ | switch (tctx->string_validation) { | |
349 | ✗ | case AV_TEXTFORMAT_STRING_VALIDATION_FAIL: | |
350 | ✗ | av_log(tctx, AV_LOG_ERROR, "Invalid UTF-8 sequence found in string '%s'\n", src); | |
351 | ✗ | ret = AVERROR_INVALIDDATA; | |
352 | ✗ | goto end; | |
353 | |||
354 | ✗ | case AV_TEXTFORMAT_STRING_VALIDATION_REPLACE: | |
355 | ✗ | av_bprintf(&dstbuf, "%s", tctx->string_validation_replacement); | |
356 | ✗ | break; | |
357 | } | ||
358 | } | ||
359 | |||
360 |
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92819 | if (!invalid || tctx->string_validation == AV_TEXTFORMAT_STRING_VALIDATION_IGNORE) |
361 | 92819 | av_bprint_append_data(&dstbuf, p0, p-p0); | |
362 | } | ||
363 | |||
364 |
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5904 | if (invalid_chars_nb && tctx->string_validation == AV_TEXTFORMAT_STRING_VALIDATION_REPLACE) |
365 | ✗ | av_log(tctx, AV_LOG_WARNING, | |
366 | "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n", | ||
367 | invalid_chars_nb, src, tctx->string_validation_replacement); | ||
368 | |||
369 | 5904 | end: | |
370 | 5904 | av_bprint_finalize(&dstbuf, dstp); | |
371 | 5904 | av_bprint_finalize(&invalid_seq, NULL); | |
372 | 5904 | return ret; | |
373 | } | ||
374 | |||
375 | struct unit_value { | ||
376 | union { | ||
377 | double d; | ||
378 | int64_t i; | ||
379 | } val; | ||
380 | |||
381 | const char *unit; | ||
382 | }; | ||
383 | |||
384 | 38860 | static char *value_string(const AVTextFormatContext *tctx, char *buf, int buf_size, struct unit_value uv) | |
385 | { | ||
386 | double vald; | ||
387 | 38860 | int64_t vali = 0; | |
388 | 38860 | int show_float = 0; | |
389 | |||
390 |
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38860 | if (uv.unit == unit_second_str) { |
391 | 29674 | vald = uv.val.d; | |
392 | 29674 | show_float = 1; | |
393 | } else { | ||
394 | 9186 | vald = (double)uv.val.i; | |
395 | 9186 | vali = uv.val.i; | |
396 | } | ||
397 | |||
398 |
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38860 | if (uv.unit == unit_second_str && tctx->use_value_sexagesimal_format) { |
399 | double secs; | ||
400 | int hours, mins; | ||
401 | ✗ | secs = vald; | |
402 | ✗ | mins = (int)secs / 60; | |
403 | ✗ | secs = secs - mins * 60; | |
404 | ✗ | hours = mins / 60; | |
405 | ✗ | mins %= 60; | |
406 | ✗ | snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs); | |
407 | } else { | ||
408 | 38860 | const char *prefix_string = ""; | |
409 | |||
410 |
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38860 | if (tctx->use_value_prefix && vald > 1) { |
411 | int64_t index; | ||
412 | |||
413 | ✗ | if (uv.unit == unit_byte_str && tctx->use_byte_value_binary_prefix) { | |
414 | ✗ | index = (int64_t)(log2(vald) / 10); | |
415 | ✗ | index = av_clip64(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1); | |
416 | ✗ | vald /= si_prefixes[index].bin_val; | |
417 | ✗ | prefix_string = si_prefixes[index].bin_str; | |
418 | } else { | ||
419 | ✗ | index = (int64_t)(log10(vald) / 3); | |
420 | ✗ | index = av_clip64(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1); | |
421 | ✗ | vald /= si_prefixes[index].dec_val; | |
422 | ✗ | prefix_string = si_prefixes[index].dec_str; | |
423 | } | ||
424 | ✗ | vali = (int64_t)vald; | |
425 | } | ||
426 | |||
427 |
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38860 | if (show_float || (tctx->use_value_prefix && vald != (int64_t)vald)) |
428 | 29674 | snprintf(buf, buf_size, "%f", vald); | |
429 | else | ||
430 | 9186 | snprintf(buf, buf_size, "%"PRId64, vali); | |
431 | |||
432 |
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38860 | av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || tctx->show_value_unit ? " " : "", |
433 |
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38860 | prefix_string, tctx->show_value_unit ? uv.unit : ""); |
434 | } | ||
435 | |||
436 | 38860 | return buf; | |
437 | } | ||
438 | |||
439 | |||
440 | 9186 | void avtext_print_unit_int(AVTextFormatContext *tctx, const char *key, int value, const char *unit) | |
441 | { | ||
442 | char val_str[128]; | ||
443 | struct unit_value uv; | ||
444 | 9186 | uv.val.i = value; | |
445 | 9186 | uv.unit = unit; | |
446 | 9186 | avtext_print_string(tctx, key, value_string(tctx, val_str, sizeof(val_str), uv), 0); | |
447 | 9186 | } | |
448 | |||
449 | |||
450 | 86960 | int avtext_print_string(AVTextFormatContext *tctx, const char *key, const char *val, int flags) | |
451 | { | ||
452 | const AVTextFormatSection *section; | ||
453 | 86960 | int ret = 0; | |
454 | |||
455 |
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86960 | av_assert0(key && val && tctx->level >= 0 && tctx->level < SECTION_MAX_NB_LEVELS); |
456 | |||
457 | 86960 | section = tctx->section[tctx->level]; | |
458 | |||
459 |
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86960 | if (tctx->show_optional_fields == SHOW_OPTIONAL_FIELDS_NEVER) |
460 | ✗ | return 0; | |
461 | |||
462 |
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86960 | if (tctx->show_optional_fields == SHOW_OPTIONAL_FIELDS_AUTO |
463 |
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86960 | && (flags & AV_TEXTFORMAT_PRINT_STRING_OPTIONAL) |
464 |
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6680 | && !(tctx->formatter->flags & AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS)) |
465 | 268 | return 0; | |
466 | |||
467 |
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86692 | if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { |
468 |
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40725 | if (flags & AV_TEXTFORMAT_PRINT_STRING_VALIDATE) { |
469 | 2952 | char *key1 = NULL, *val1 = NULL; | |
470 | 2952 | ret = validate_string(tctx, &key1, key); | |
471 |
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2952 | if (ret < 0) goto end; |
472 | 2952 | ret = validate_string(tctx, &val1, val); | |
473 |
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2952 | if (ret < 0) goto end; |
474 | 2952 | tctx->formatter->print_string(tctx, key1, val1); | |
475 | 2952 | end: | |
476 |
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2952 | if (ret < 0) |
477 | ✗ | av_log(tctx, AV_LOG_ERROR, | |
478 | "Invalid key=value string combination %s=%s in section %s\n", | ||
479 | ✗ | key, val, section->unique_name); | |
480 | 2952 | av_free(key1); | |
481 | 2952 | av_free(val1); | |
482 | } else { | ||
483 | 37773 | tctx->formatter->print_string(tctx, key, val); | |
484 | } | ||
485 | |||
486 | 40725 | tctx->nb_item[tctx->level]++; | |
487 | } | ||
488 | |||
489 | 86692 | return ret; | |
490 | } | ||
491 | |||
492 | 2394 | void avtext_print_rational(AVTextFormatContext *tctx, const char *key, AVRational q, char sep) | |
493 | { | ||
494 | char buf[44]; | ||
495 | 2394 | snprintf(buf, sizeof(buf), "%d%c%d", q.num, sep, q.den); | |
496 | 2394 | avtext_print_string(tctx, key, buf, 0); | |
497 | 2394 | } | |
498 | |||
499 | 30364 | void avtext_print_time(AVTextFormatContext *tctx, const char *key, | |
500 | int64_t ts, const AVRational *time_base, int is_duration) | ||
501 | { | ||
502 |
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30364 | if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) { |
503 | 690 | avtext_print_string(tctx, key, "N/A", AV_TEXTFORMAT_PRINT_STRING_OPTIONAL); | |
504 | } else { | ||
505 | char buf[128]; | ||
506 | 29674 | double d = av_q2d(*time_base) * ts; | |
507 | struct unit_value uv; | ||
508 | 29674 | uv.val.d = d; | |
509 | 29674 | uv.unit = unit_second_str; | |
510 | 29674 | value_string(tctx, buf, sizeof(buf), uv); | |
511 | 29674 | avtext_print_string(tctx, key, buf, 0); | |
512 | } | ||
513 | 30364 | } | |
514 | |||
515 | 30236 | void avtext_print_ts(AVTextFormatContext *tctx, const char *key, int64_t ts, int is_duration) | |
516 | { | ||
517 |
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30236 | if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) |
518 | 688 | avtext_print_string(tctx, key, "N/A", AV_TEXTFORMAT_PRINT_STRING_OPTIONAL); | |
519 | else | ||
520 | 29548 | avtext_print_integer(tctx, key, ts, 0); | |
521 | 30236 | } | |
522 | |||
523 | ✗ | void avtext_print_data(AVTextFormatContext *tctx, const char *key, | |
524 | const uint8_t *data, int size) | ||
525 | { | ||
526 | AVBPrint bp; | ||
527 | ✗ | unsigned offset = 0; | |
528 | int l, i; | ||
529 | |||
530 | ✗ | av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED); | |
531 | ✗ | av_bprintf(&bp, "\n"); | |
532 | ✗ | while (size) { | |
533 | ✗ | av_bprintf(&bp, "%08x: ", offset); | |
534 | ✗ | l = FFMIN(size, 16); | |
535 | ✗ | for (i = 0; i < l; i++) { | |
536 | ✗ | av_bprintf(&bp, "%02x", data[i]); | |
537 | ✗ | if (i & 1) | |
538 | ✗ | av_bprintf(&bp, " "); | |
539 | } | ||
540 | ✗ | av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2); | |
541 | ✗ | for (i = 0; i < l; i++) | |
542 | ✗ | av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1); | |
543 | ✗ | av_bprintf(&bp, "\n"); | |
544 | ✗ | offset += l; | |
545 | ✗ | data += l; | |
546 | ✗ | size -= l; | |
547 | } | ||
548 | ✗ | avtext_print_string(tctx, key, bp.str, 0); | |
549 | ✗ | av_bprint_finalize(&bp, NULL); | |
550 | ✗ | } | |
551 | |||
552 | 5909 | void avtext_print_data_hash(AVTextFormatContext *tctx, const char *key, | |
553 | const uint8_t *data, int size) | ||
554 | { | ||
555 | 5909 | char buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 }; | |
556 | int len; | ||
557 | |||
558 |
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5909 | if (!tctx->hash) |
559 | 3904 | return; | |
560 | |||
561 | 2005 | av_hash_init(tctx->hash); | |
562 | 2005 | av_hash_update(tctx->hash, data, size); | |
563 | 2005 | len = snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(tctx->hash)); | |
564 | 2005 | av_hash_final_hex(tctx->hash, (uint8_t *)&buf[len], (int)sizeof(buf) - len); | |
565 | 2005 | avtext_print_string(tctx, key, buf, 0); | |
566 | } | ||
567 | |||
568 | 96 | void avtext_print_integers(AVTextFormatContext *tctx, const char *key, | |
569 | uint8_t *data, int size, const char *format, | ||
570 | int columns, int bytes, int offset_add) | ||
571 | { | ||
572 | AVBPrint bp; | ||
573 | 96 | unsigned offset = 0; | |
574 | int l, i; | ||
575 | |||
576 |
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96 | if (!key || !data || !format || columns <= 0 || bytes <= 0) |
577 | ✗ | return; | |
578 | |||
579 | 96 | av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED); | |
580 | 96 | av_bprintf(&bp, "\n"); | |
581 |
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384 | while (size) { |
582 | 288 | av_bprintf(&bp, "%08x: ", offset); | |
583 | 288 | l = FFMIN(size, columns); | |
584 |
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1152 | for (i = 0; i < l; i++) { |
585 |
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864 | if (bytes == 1) av_bprintf(&bp, format, *data); |
586 |
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864 | else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data)); |
587 |
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864 | else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data)); |
588 | 864 | data += bytes; | |
589 | 864 | size--; | |
590 | } | ||
591 | 288 | av_bprintf(&bp, "\n"); | |
592 | 288 | offset += offset_add; | |
593 | } | ||
594 | 96 | avtext_print_string(tctx, key, bp.str, 0); | |
595 | 96 | av_bprint_finalize(&bp, NULL); | |
596 | } | ||
597 | |||
598 | ✗ | static const char *writercontext_get_writer_name(void *p) | |
599 | { | ||
600 | ✗ | AVTextWriterContext *wctx = p; | |
601 | ✗ | return wctx->writer->name; | |
602 | } | ||
603 | |||
604 | ✗ | static void *writercontext_child_next(void *obj, void *prev) | |
605 | { | ||
606 | ✗ | AVTextFormatContext *ctx = obj; | |
607 | ✗ | if (!prev && ctx->formatter && ctx->formatter->priv_class && ctx->priv) | |
608 | ✗ | return ctx->priv; | |
609 | ✗ | return NULL; | |
610 | } | ||
611 | |||
612 | static const AVClass textwriter_class = { | ||
613 | .class_name = "AVTextWriterContext", | ||
614 | .item_name = writercontext_get_writer_name, | ||
615 | .version = LIBAVUTIL_VERSION_INT, | ||
616 | .child_next = writercontext_child_next, | ||
617 | }; | ||
618 | |||
619 | |||
620 | 159 | int avtextwriter_context_close(AVTextWriterContext **pwctx) | |
621 | { | ||
622 | 159 | AVTextWriterContext *wctx = *pwctx; | |
623 | 159 | int ret = 0; | |
624 | |||
625 |
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159 | if (!wctx) |
626 | ✗ | return AVERROR(EINVAL); | |
627 | |||
628 |
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159 | if (wctx->writer) { |
629 |
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159 | if (wctx->writer->uninit) |
630 | ✗ | ret = wctx->writer->uninit(wctx); | |
631 |
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159 | if (wctx->writer->priv_class) |
632 | 159 | av_opt_free(wctx->priv); | |
633 | } | ||
634 | 159 | av_freep(&wctx->priv); | |
635 | 159 | av_freep(pwctx); | |
636 | 159 | return ret; | |
637 | } | ||
638 | |||
639 | |||
640 | 159 | int avtextwriter_context_open(AVTextWriterContext **pwctx, const AVTextWriter *writer) | |
641 | { | ||
642 | AVTextWriterContext *wctx; | ||
643 | 159 | int ret = 0; | |
644 | |||
645 |
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159 | if (!pwctx || !writer) |
646 | ✗ | return AVERROR(EINVAL); | |
647 | |||
648 |
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159 | if (!((wctx = av_mallocz(sizeof(AVTextWriterContext))))) { |
649 | ✗ | ret = AVERROR(ENOMEM); | |
650 | ✗ | goto fail; | |
651 | } | ||
652 | |||
653 |
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159 | if (writer->priv_size && !((wctx->priv = av_mallocz(writer->priv_size)))) { |
654 | ✗ | ret = AVERROR(ENOMEM); | |
655 | ✗ | goto fail; | |
656 | } | ||
657 | |||
658 |
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159 | if (writer->priv_class) { |
659 | 159 | void *priv_ctx = wctx->priv; | |
660 | 159 | *(const AVClass **)priv_ctx = writer->priv_class; | |
661 | 159 | av_opt_set_defaults(priv_ctx); | |
662 | } | ||
663 | |||
664 | 159 | wctx->class = &textwriter_class; | |
665 | 159 | wctx->writer = writer; | |
666 | |||
667 | 159 | av_opt_set_defaults(wctx); | |
668 | |||
669 | |||
670 |
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159 | if (wctx->writer->init) |
671 | ✗ | ret = wctx->writer->init(wctx); | |
672 |
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159 | if (ret < 0) |
673 | ✗ | goto fail; | |
674 | |||
675 | 159 | *pwctx = wctx; | |
676 | |||
677 | 159 | return 0; | |
678 | |||
679 | ✗ | fail: | |
680 | ✗ | avtextwriter_context_close(&wctx); | |
681 | ✗ | return ret; | |
682 | } | ||
683 | |||
684 | static const AVTextFormatter *registered_formatters[9 + 1]; | ||
685 | |||
686 | 159 | static void formatters_register_all(void) | |
687 | { | ||
688 | static int initialized; | ||
689 | |||
690 |
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159 | if (initialized) |
691 | ✗ | return; | |
692 | 159 | initialized = 1; | |
693 | |||
694 | 159 | registered_formatters[0] = &avtextformatter_default; | |
695 | 159 | registered_formatters[1] = &avtextformatter_compact; | |
696 | 159 | registered_formatters[2] = &avtextformatter_csv; | |
697 | 159 | registered_formatters[3] = &avtextformatter_flat; | |
698 | 159 | registered_formatters[4] = &avtextformatter_ini; | |
699 | 159 | registered_formatters[5] = &avtextformatter_json; | |
700 | 159 | registered_formatters[6] = &avtextformatter_xml; | |
701 | 159 | registered_formatters[7] = &avtextformatter_mermaid; | |
702 | 159 | registered_formatters[8] = &avtextformatter_mermaidhtml; | |
703 | } | ||
704 | |||
705 | 159 | const AVTextFormatter *avtext_get_formatter_by_name(const char *name) | |
706 | { | ||
707 | 159 | formatters_register_all(); | |
708 | |||
709 |
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242 | for (int i = 0; registered_formatters[i]; i++) |
710 |
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242 | if (!strcmp(registered_formatters[i]->name, name)) |
711 | 159 | return registered_formatters[i]; | |
712 | |||
713 | ✗ | return NULL; | |
714 | } | ||
715 |