cbb23cdb |
1 | #if HAVE_CONFIG_H |
2 | # include "config.h" |
3 | #endif |
4 | #if HAVE_STDINT_H |
5 | # include <stdint.h> |
6 | #endif |
7 | #if HAVE_INTTYPES_H |
8 | # include <inttypes.h> |
9 | #elif defined(_MSC_VER) |
10 | # define SCNd64 "I64d" |
11 | #endif |
12 | #include <stdio.h> |
13 | #include <stdlib.h> |
14 | #include <string.h> |
15 | #include <ctype.h> |
16 | #include <errno.h> |
17 | #include "m4af.h" |
18 | #include "metadata.h" |
19 | #include "compat.h" |
20 | #include "parson.h" |
21 | |
22 | typedef struct tag_key_mapping_t { |
23 | const char *name; |
24 | uint32_t fcc; |
25 | } tag_key_mapping_t; |
26 | |
27 | enum { |
28 | TAG_TOTAL_DISCS = 1, |
29 | TAG_TOTAL_TRACKS = 2 |
30 | }; |
31 | |
32 | static tag_key_mapping_t tag_mapping_table[] = { |
33 | { "album", M4AF_TAG_ALBUM }, |
34 | { "albumartist", M4AF_TAG_ALBUM_ARTIST }, |
35 | { "albumartistsort", M4AF_FOURCC('s','o','a','a') }, |
36 | { "albumartistsortorder", M4AF_FOURCC('s','o','a','a') }, |
37 | { "albumsort", M4AF_FOURCC('s','o','a','l') }, |
38 | { "albumsortorder", M4AF_FOURCC('s','o','a','l') }, |
39 | { "artist", M4AF_TAG_ARTIST }, |
40 | { "artistsort", M4AF_FOURCC('s','o','a','r') }, |
41 | { "artistsortorder", M4AF_FOURCC('s','o','a','r') }, |
42 | { "band", M4AF_TAG_ALBUM_ARTIST }, |
43 | { "bpm", M4AF_TAG_TEMPO }, |
44 | { "comment", M4AF_TAG_COMMENT }, |
45 | { "compilation", M4AF_TAG_COMPILATION }, |
46 | { "composer", M4AF_TAG_COMPOSER }, |
47 | { "composersort", M4AF_FOURCC('s','o','c','o') }, |
48 | { "composersortorder", M4AF_FOURCC('s','o','c','o') }, |
49 | { "contentgroup", M4AF_TAG_GROUPING }, |
50 | { "copyright", M4AF_TAG_COPYRIGHT }, |
51 | { "date", M4AF_TAG_DATE }, |
52 | { "disc", M4AF_TAG_DISK }, |
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53 | { "discnumber", M4AF_TAG_DISK }, |
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54 | { "disctotal", TAG_TOTAL_DISCS }, |
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55 | { "genre", M4AF_TAG_GENRE }, |
56 | { "grouping", M4AF_TAG_GROUPING }, |
57 | { "itunescompilation", M4AF_TAG_COMPILATION }, |
58 | { "lyrics", M4AF_TAG_LYRICS }, |
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59 | { "performer", M4AF_TAG_ARTIST }, |
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60 | { "title", M4AF_TAG_TITLE }, |
61 | { "titlesort", M4AF_FOURCC('s','o','n','m') }, |
62 | { "titlesortorder", M4AF_FOURCC('s','o','n','m') }, |
63 | { "totaldiscs", TAG_TOTAL_DISCS }, |
64 | { "totaltracks", TAG_TOTAL_TRACKS }, |
65 | { "track", M4AF_TAG_TRACK }, |
66 | { "tracknumber", M4AF_TAG_TRACK }, |
67 | { "tracktotal", TAG_TOTAL_TRACKS }, |
68 | { "unsyncedlyrics", M4AF_TAG_LYRICS }, |
69 | { "year", M4AF_TAG_DATE }, |
70 | }; |
71 | |
72 | static |
73 | int tag_key_comparator(const void *k, const void *v) |
74 | { |
75 | return strcmp((const char *)k, ((tag_key_mapping_t*)v)->name); |
76 | } |
77 | |
78 | static |
79 | uint32_t get_tag_fcc_from_name(const char *name) |
80 | { |
81 | char *name_p = 0, *p; |
82 | const tag_key_mapping_t *ent; |
83 | |
84 | name_p = malloc(strlen(name) + 1); |
85 | for (p = name_p; *name; ++name) { |
86 | unsigned char c = *name; |
87 | if (c != ' ' && c != '-' && c != '_') |
88 | *p++ = tolower(c); |
89 | } |
90 | *p = 0; |
91 | ent = bsearch(name_p, tag_mapping_table, |
92 | sizeof(tag_mapping_table) / sizeof(tag_mapping_table[0]), |
93 | sizeof(tag_mapping_table[0]), |
94 | tag_key_comparator); |
95 | free(name_p); |
96 | return ent ? ent->fcc : 0; |
97 | } |
98 | |
3b666b75 |
99 | static |
cbb23cdb |
100 | char *aacenc_load_tag_from_file(const char *path, uint32_t *data_size) |
101 | { |
102 | FILE *fp = 0; |
103 | char *data = 0; |
104 | int64_t size; |
105 | |
106 | if ((fp = aacenc_fopen(path, "rb")) == NULL) { |
107 | aacenc_fprintf(stderr, "WARNING: %s: %s\n", path, strerror(errno)); |
108 | goto END; |
109 | } |
110 | fseeko(fp, 0, SEEK_END); |
111 | size = ftello(fp); |
112 | if (size > 5*1024*1024) { |
113 | aacenc_fprintf(stderr, "WARNING: %s: size too large\n", path); |
114 | goto END; |
115 | } |
116 | fseeko(fp, 0, SEEK_SET); |
117 | data = malloc(size + 1); |
118 | if (data) fread(data, 1, size, fp); |
119 | data[size] = 0; |
120 | *data_size = (uint32_t)size; |
121 | END: |
122 | if (fp) fclose(fp); |
123 | return data; |
124 | } |
125 | |
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126 | static |
127 | int aacenc_is_string_tag(uint32_t tag) |
cbb23cdb |
128 | { |
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129 | switch (tag) { |
130 | case M4AF_TAG_TITLE: |
131 | case M4AF_TAG_ARTIST: |
132 | case M4AF_TAG_ALBUM: |
133 | case M4AF_TAG_GENRE: |
134 | case M4AF_TAG_DATE: |
135 | case M4AF_TAG_COMPOSER: |
136 | case M4AF_TAG_GROUPING: |
137 | case M4AF_TAG_COMMENT: |
138 | case M4AF_TAG_LYRICS: |
139 | case M4AF_TAG_TOOL: |
140 | case M4AF_TAG_ALBUM_ARTIST: |
141 | case M4AF_TAG_DESCRIPTION: |
142 | case M4AF_TAG_LONG_DESCRIPTION: |
143 | case M4AF_TAG_COPYRIGHT: |
144 | case M4AF_FOURCC('a','p','I','D'): |
145 | case M4AF_FOURCC('c','a','t','g'): |
146 | case M4AF_FOURCC('k','e','y','w'): |
147 | case M4AF_FOURCC('p','u','r','d'): |
148 | case M4AF_FOURCC('p','u','r','l'): |
149 | case M4AF_FOURCC('s','o','a','a'): |
150 | case M4AF_FOURCC('s','o','a','l'): |
151 | case M4AF_FOURCC('s','o','a','r'): |
152 | case M4AF_FOURCC('s','o','c','o'): |
153 | case M4AF_FOURCC('s','o','n','m'): |
154 | case M4AF_FOURCC('s','o','s','n'): |
155 | case M4AF_FOURCC('t','v','e','n'): |
156 | case M4AF_FOURCC('t','v','n','n'): |
157 | case M4AF_FOURCC('t','v','s','h'): |
158 | case M4AF_FOURCC('x','i','d',' '): |
159 | case M4AF_FOURCC('\xa9','e','n','c'): |
160 | case M4AF_FOURCC('\xa9','s','t','3'): |
161 | case M4AF_FOURCC('-','-','-','-'): |
162 | return 1; |
163 | } |
164 | return 0; |
165 | } |
166 | |
167 | void aacenc_add_tag_to_store(aacenc_tag_store_t *store, uint32_t tag, |
168 | const char *key, const char *value, |
169 | uint32_t size, int is_file_name) |
170 | { |
171 | aacenc_tag_entry_t entry = { 0 }; |
172 | char *dp = 0; |
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173 | |
174 | if (!is_file_name && !size) |
175 | return; |
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176 | entry.tag = tag; |
177 | if (tag == M4AF_FOURCC('-','-','-','-')) |
178 | entry.name = (char *)key; |
179 | |
180 | if (is_file_name) { |
181 | entry.data = dp = aacenc_load_tag_from_file(value, &size); |
182 | entry.data_size = size; |
183 | } else if (aacenc_is_string_tag(tag)) { |
184 | entry.data = dp = aacenc_to_utf8(value); |
185 | entry.data_size = strlen(entry.data); |
186 | } else { |
187 | entry.data = (char *)value; |
188 | entry.data_size = size; |
189 | } |
190 | aacenc_add_tag_entry_to_store(store, &entry); |
191 | free(dp); |
192 | } |
193 | |
194 | void aacenc_add_tag_entry_to_store(void *ctx, const aacenc_tag_entry_t *tag) |
195 | { |
196 | aacenc_tag_store_t *store = ctx; |
197 | aacenc_tag_entry_t *entry; |
198 | if (store->tag_count == store->tag_table_capacity) { |
199 | unsigned newsize = store->tag_table_capacity; |
cbb23cdb |
200 | newsize = newsize ? newsize * 2 : 1; |
3b666b75 |
201 | store->tag_table = |
202 | realloc(store->tag_table, newsize * sizeof(aacenc_tag_entry_t)); |
203 | store->tag_table_capacity = newsize; |
cbb23cdb |
204 | } |
3b666b75 |
205 | entry = store->tag_table + store->tag_count; |
206 | entry->tag = tag->tag; |
207 | entry->data_size = tag->data_size; |
208 | entry->name = tag->name ? strdup(tag->name) : 0; |
209 | entry->data = malloc(tag->data_size + 1); |
210 | memcpy(entry->data, tag->data, tag->data_size); |
211 | entry->data[tag->data_size] = 0; |
212 | store->tag_count++; |
cbb23cdb |
213 | } |
214 | |
215 | static |
3b666b75 |
216 | void tag_put_number_pair(aacenc_translate_generic_text_tag_ctx_t *ctx, |
217 | uint32_t fcc, unsigned number, unsigned total) |
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218 | { |
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219 | char buf[128]; |
220 | aacenc_tag_entry_t entry = { 0 }; |
221 | |
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222 | if (number) { |
223 | if (total) sprintf(buf, "%u/%u", number, total); |
224 | else sprintf(buf, "%u", number); |
225 | entry.tag = fcc; |
226 | entry.data = buf; |
227 | entry.data_size = strlen(buf); |
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228 | ctx->add(ctx->add_ctx, &entry); |
229 | } |
230 | } |
231 | |
232 | void aacenc_translate_generic_text_tag(void *pctx, const char *key, |
233 | const char *val, uint32_t size) |
234 | { |
235 | aacenc_translate_generic_text_tag_ctx_t *ctx = pctx; |
236 | aacenc_tag_entry_t entry = { 0 }; |
237 | uint32_t fcc; |
238 | /* |
239 | * Since track/disc number pair (number and total) can be stored within |
240 | * either single tag or separately, we cannot instantly translate |
241 | * them in one-to-one manner. |
242 | * Instead, we keep and store them until all tags are processed, |
243 | * then finally submit. |
244 | */ |
245 | if (!key) { |
246 | /* use null key as flushing signal */ |
247 | tag_put_number_pair(ctx, M4AF_TAG_TRACK, ctx->track, ctx->track_total); |
248 | tag_put_number_pair(ctx, M4AF_TAG_DISK, ctx->disc, ctx->disc_total); |
249 | return; |
250 | } |
251 | if (!val || !size) |
252 | return; |
253 | if ((fcc = get_tag_fcc_from_name(key)) == 0) |
254 | return; |
255 | |
256 | switch (fcc) { |
257 | case TAG_TOTAL_DISCS: |
258 | sscanf(val, "%d", &ctx->disc_total); break; |
259 | case TAG_TOTAL_TRACKS: |
260 | sscanf(val, "%d", &ctx->track_total); break; |
261 | case M4AF_TAG_DISK: |
262 | sscanf(val, "%d/%d", &ctx->disc, &ctx->disc_total); break; |
263 | case M4AF_TAG_TRACK: |
264 | sscanf(val, "%d/%d", &ctx->track, &ctx->track_total); break; |
265 | default: |
266 | { |
267 | entry.tag = fcc; |
268 | entry.data = (char *)val; |
269 | entry.data_size = (size == ~0U) ? strlen(val) : size; |
270 | ctx->add(ctx->add_ctx, &entry); |
271 | } |
cbb23cdb |
272 | } |
273 | } |
274 | |
1184a1f5 |
275 | static |
276 | const char *aacenc_json_object_get_string(JSON_Object *obj, const char *key, |
277 | char *buf) |
278 | { |
279 | JSON_Value_Type type; |
280 | const char *val = 0; |
281 | |
282 | type = json_value_get_type(json_object_get_value(obj, key)); |
283 | if (type == JSONString) |
284 | val = json_object_get_string(obj, key); |
285 | else if (type == JSONNumber) { |
286 | double num = json_object_get_number(obj, key); |
287 | sprintf(buf, "%.15g", num); |
288 | val = buf; |
289 | } else if (type == JSONBoolean) { |
290 | int n = json_object_get_boolean(obj, key); |
291 | sprintf(buf, "%d", n); |
292 | val = buf; |
293 | } |
294 | return val; |
295 | } |
296 | |
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297 | void aacenc_write_tags_from_json(m4af_ctx_t *m4af, const char *json_filename) |
cbb23cdb |
298 | { |
299 | char *data = 0; |
300 | JSON_Value *json = 0; |
301 | JSON_Object *root; |
302 | size_t i, nelts; |
303 | uint32_t data_size; |
304 | char *json_dot_path; |
305 | char *filename = 0; |
3b666b75 |
306 | aacenc_translate_generic_text_tag_ctx_t ctx = { 0 }; |
307 | |
308 | ctx.add = aacenc_write_tag_entry; |
309 | ctx.add_ctx = m4af; |
310 | |
cbb23cdb |
311 | filename = strdup(json_filename); |
312 | if ((json_dot_path = strchr(filename, '?')) != 0) |
313 | *json_dot_path++ = '\0'; |
314 | |
315 | if (!(data = aacenc_load_tag_from_file(filename, &data_size))) |
316 | goto DONE; |
317 | if (!(json = json_parse_string(data))) { |
318 | aacenc_fprintf(stderr, "WARNING: failed to parse JSON\n"); |
319 | goto DONE; |
320 | } |
321 | root = json_value_get_object(json); |
322 | if (json_dot_path) { |
323 | if (!(root = json_object_dotget_object(root, json_dot_path))) { |
324 | aacenc_fprintf(stderr, "WARNING: %s not found in JSON\n", |
325 | json_dot_path); |
326 | goto DONE; |
327 | } |
328 | } |
329 | nelts = json_object_get_count(root); |
330 | for (i = 0; i < nelts; ++i) { |
331 | char buf[256]; |
1184a1f5 |
332 | const char *key = json_object_get_name(root, i); |
333 | const char *val = aacenc_json_object_get_string(root, key, buf); |
3b666b75 |
334 | if (val) aacenc_translate_generic_text_tag(&ctx, key, val, ~0U); |
cbb23cdb |
335 | } |
3b666b75 |
336 | aacenc_translate_generic_text_tag(&ctx, 0, 0, 0); |
cbb23cdb |
337 | DONE: |
cbb23cdb |
338 | if (data) free(data); |
339 | if (filename) free(filename); |
340 | if (json) json_value_free(json); |
341 | } |
342 | |
3b666b75 |
343 | void aacenc_free_tag_store(aacenc_tag_store_t *store) |
344 | { |
345 | if (store->tag_table) { |
346 | unsigned i; |
347 | for (i = 0; i < store->tag_count; ++i) { |
348 | aacenc_tag_entry_t *ent = &store->tag_table[i]; |
349 | free(ent->name); |
350 | free(ent->data); |
351 | } |
352 | free(store->tag_table); |
353 | store->tag_table = 0; |
354 | store->tag_count = 0; |
355 | } |
356 | } |
357 | |
358 | void aacenc_write_tag_entry(void *ctx, const aacenc_tag_entry_t *tag) |
cbb23cdb |
359 | { |
3b666b75 |
360 | m4af_ctx_t *m4af = ctx; |
cbb23cdb |
361 | unsigned m, n = 0; |
362 | const char *data = tag->data; |
cbb23cdb |
363 | |
cbb23cdb |
364 | switch (tag->tag) { |
365 | case M4AF_TAG_TRACK: |
366 | if (sscanf(data, "%u/%u", &m, &n) >= 1) |
367 | m4af_add_itmf_track_tag(m4af, m, n); |
368 | break; |
369 | case M4AF_TAG_DISK: |
370 | if (sscanf(data, "%u/%u", &m, &n) >= 1) |
371 | m4af_add_itmf_disk_tag(m4af, m, n); |
372 | break; |
373 | case M4AF_TAG_GENRE_ID3: |
374 | if (sscanf(data, "%u", &n) == 1) |
375 | m4af_add_itmf_genre_tag(m4af, n); |
376 | break; |
377 | case M4AF_TAG_TEMPO: |
378 | if (sscanf(data, "%u", &n) == 1) |
379 | m4af_add_itmf_int16_tag(m4af, tag->tag, n); |
380 | break; |
381 | case M4AF_TAG_COMPILATION: |
382 | case M4AF_FOURCC('a','k','I','D'): |
383 | case M4AF_FOURCC('h','d','v','d'): |
384 | case M4AF_FOURCC('p','c','s','t'): |
385 | case M4AF_FOURCC('p','g','a','p'): |
386 | case M4AF_FOURCC('r','t','n','g'): |
387 | case M4AF_FOURCC('s','t','i','k'): |
388 | if (sscanf(data, "%u", &n) == 1) |
389 | m4af_add_itmf_int8_tag(m4af, tag->tag, n); |
390 | break; |
391 | case M4AF_FOURCC('a','t','I','D'): |
392 | case M4AF_FOURCC('c','m','I','D'): |
393 | case M4AF_FOURCC('c','n','I','D'): |
394 | case M4AF_FOURCC('g','e','I','D'): |
395 | case M4AF_FOURCC('s','f','I','D'): |
396 | case M4AF_FOURCC('t','v','s','n'): |
397 | case M4AF_FOURCC('t','v','s','s'): |
398 | if (sscanf(data, "%u", &n) == 1) |
399 | m4af_add_itmf_int32_tag(m4af, tag->tag, n); |
400 | break; |
401 | case M4AF_FOURCC('p','l','I','D'): |
402 | { |
403 | int64_t qn; |
404 | if (sscanf(data, "%" SCNd64, &qn) == 1) |
405 | m4af_add_itmf_int64_tag(m4af, tag->tag, qn); |
406 | break; |
407 | } |
408 | case M4AF_TAG_ARTWORK: |
409 | { |
410 | int data_type = 0; |
411 | if (!memcmp(data, "GIF", 3)) |
412 | data_type = M4AF_GIF; |
413 | else if (!memcmp(data, "\xff\xd8\xff", 3)) |
414 | data_type = M4AF_JPEG; |
415 | else if (!memcmp(data, "\x89PNG", 4)) |
416 | data_type = M4AF_PNG; |
417 | if (data_type) |
418 | m4af_add_itmf_short_tag(m4af, tag->tag, data_type, |
3b666b75 |
419 | data, tag->data_size); |
cbb23cdb |
420 | break; |
421 | } |
422 | case M4AF_FOURCC('-','-','-','-'): |
423 | { |
3b666b75 |
424 | m4af_add_itmf_long_tag(m4af, tag->name, data); |
cbb23cdb |
425 | break; |
426 | } |
427 | default: |
3b666b75 |
428 | if (aacenc_is_string_tag(tag->tag)) |
429 | m4af_add_itmf_string_tag(m4af, tag->tag, data); |
430 | else |
431 | fprintf(stderr, "WARNING: unknown/unsupported tag: %c%c%c%c\n", |
432 | tag->tag >> 24, (tag->tag >> 16) & 0xff, |
433 | (tag->tag >> 8) & 0xff, tag->tag & 0xff); |
cbb23cdb |
434 | } |
cbb23cdb |
435 | } |
436 | |
437 | |