556a3db1 |
1 | /* |
2 | * Copyright (C) 2013 nu774 |
3 | * For conditions of distribution and use, see copyright notice in COPYING |
4 | */ |
cbb23cdb |
5 | #if HAVE_CONFIG_H |
6 | # include "config.h" |
7 | #endif |
8 | #if HAVE_STDINT_H |
9 | # include <stdint.h> |
10 | #endif |
11 | #if HAVE_INTTYPES_H |
12 | # include <inttypes.h> |
13 | #elif defined(_MSC_VER) |
14 | # define SCNd64 "I64d" |
15 | #endif |
16 | #include <stdio.h> |
17 | #include <stdlib.h> |
18 | #include <string.h> |
19 | #include <ctype.h> |
20 | #include <errno.h> |
21 | #include "m4af.h" |
22 | #include "metadata.h" |
23 | #include "compat.h" |
24 | #include "parson.h" |
25 | |
26 | typedef struct tag_key_mapping_t { |
27 | const char *name; |
28 | uint32_t fcc; |
29 | } tag_key_mapping_t; |
30 | |
31 | enum { |
32 | TAG_TOTAL_DISCS = 1, |
33 | TAG_TOTAL_TRACKS = 2 |
34 | }; |
35 | |
36 | static tag_key_mapping_t tag_mapping_table[] = { |
37 | { "album", M4AF_TAG_ALBUM }, |
38 | { "albumartist", M4AF_TAG_ALBUM_ARTIST }, |
39 | { "albumartistsort", M4AF_FOURCC('s','o','a','a') }, |
40 | { "albumartistsortorder", M4AF_FOURCC('s','o','a','a') }, |
41 | { "albumsort", M4AF_FOURCC('s','o','a','l') }, |
42 | { "albumsortorder", M4AF_FOURCC('s','o','a','l') }, |
43 | { "artist", M4AF_TAG_ARTIST }, |
44 | { "artistsort", M4AF_FOURCC('s','o','a','r') }, |
45 | { "artistsortorder", M4AF_FOURCC('s','o','a','r') }, |
46 | { "band", M4AF_TAG_ALBUM_ARTIST }, |
47 | { "bpm", M4AF_TAG_TEMPO }, |
48 | { "comment", M4AF_TAG_COMMENT }, |
49 | { "compilation", M4AF_TAG_COMPILATION }, |
50 | { "composer", M4AF_TAG_COMPOSER }, |
51 | { "composersort", M4AF_FOURCC('s','o','c','o') }, |
52 | { "composersortorder", M4AF_FOURCC('s','o','c','o') }, |
53 | { "contentgroup", M4AF_TAG_GROUPING }, |
54 | { "copyright", M4AF_TAG_COPYRIGHT }, |
55 | { "date", M4AF_TAG_DATE }, |
56 | { "disc", M4AF_TAG_DISK }, |
cbb23cdb |
57 | { "discnumber", M4AF_TAG_DISK }, |
1af8624b |
58 | { "disctotal", TAG_TOTAL_DISCS }, |
cbb23cdb |
59 | { "genre", M4AF_TAG_GENRE }, |
60 | { "grouping", M4AF_TAG_GROUPING }, |
61 | { "itunescompilation", M4AF_TAG_COMPILATION }, |
62 | { "lyrics", M4AF_TAG_LYRICS }, |
8f05e075 |
63 | { "tempo", M4AF_TAG_TEMPO }, |
64 | { "recordeddate", M4AF_TAG_DATE }, |
cbb23cdb |
65 | { "title", M4AF_TAG_TITLE }, |
66 | { "titlesort", M4AF_FOURCC('s','o','n','m') }, |
67 | { "titlesortorder", M4AF_FOURCC('s','o','n','m') }, |
68 | { "totaldiscs", TAG_TOTAL_DISCS }, |
69 | { "totaltracks", TAG_TOTAL_TRACKS }, |
70 | { "track", M4AF_TAG_TRACK }, |
71 | { "tracknumber", M4AF_TAG_TRACK }, |
72 | { "tracktotal", TAG_TOTAL_TRACKS }, |
73 | { "unsyncedlyrics", M4AF_TAG_LYRICS }, |
74 | { "year", M4AF_TAG_DATE }, |
75 | }; |
76 | |
77 | static |
78 | int tag_key_comparator(const void *k, const void *v) |
79 | { |
80 | return strcmp((const char *)k, ((tag_key_mapping_t*)v)->name); |
81 | } |
82 | |
83 | static |
84 | uint32_t get_tag_fcc_from_name(const char *name) |
85 | { |
86 | char *name_p = 0, *p; |
87 | const tag_key_mapping_t *ent; |
88 | |
89 | name_p = malloc(strlen(name) + 1); |
90 | for (p = name_p; *name; ++name) { |
91 | unsigned char c = *name; |
92 | if (c != ' ' && c != '-' && c != '_') |
93 | *p++ = tolower(c); |
94 | } |
95 | *p = 0; |
96 | ent = bsearch(name_p, tag_mapping_table, |
97 | sizeof(tag_mapping_table) / sizeof(tag_mapping_table[0]), |
98 | sizeof(tag_mapping_table[0]), |
99 | tag_key_comparator); |
100 | free(name_p); |
101 | return ent ? ent->fcc : 0; |
102 | } |
103 | |
3b666b75 |
104 | static |
cbb23cdb |
105 | char *aacenc_load_tag_from_file(const char *path, uint32_t *data_size) |
106 | { |
107 | FILE *fp = 0; |
108 | char *data = 0; |
109 | int64_t size; |
110 | |
111 | if ((fp = aacenc_fopen(path, "rb")) == NULL) { |
112 | aacenc_fprintf(stderr, "WARNING: %s: %s\n", path, strerror(errno)); |
113 | goto END; |
114 | } |
115 | fseeko(fp, 0, SEEK_END); |
116 | size = ftello(fp); |
117 | if (size > 5*1024*1024) { |
118 | aacenc_fprintf(stderr, "WARNING: %s: size too large\n", path); |
119 | goto END; |
120 | } |
121 | fseeko(fp, 0, SEEK_SET); |
122 | data = malloc(size + 1); |
123 | if (data) fread(data, 1, size, fp); |
124 | data[size] = 0; |
125 | *data_size = (uint32_t)size; |
126 | END: |
127 | if (fp) fclose(fp); |
128 | return data; |
129 | } |
130 | |
3b666b75 |
131 | static |
132 | int aacenc_is_string_tag(uint32_t tag) |
cbb23cdb |
133 | { |
3b666b75 |
134 | switch (tag) { |
135 | case M4AF_TAG_TITLE: |
136 | case M4AF_TAG_ARTIST: |
137 | case M4AF_TAG_ALBUM: |
138 | case M4AF_TAG_GENRE: |
139 | case M4AF_TAG_DATE: |
140 | case M4AF_TAG_COMPOSER: |
141 | case M4AF_TAG_GROUPING: |
142 | case M4AF_TAG_COMMENT: |
143 | case M4AF_TAG_LYRICS: |
144 | case M4AF_TAG_TOOL: |
145 | case M4AF_TAG_ALBUM_ARTIST: |
146 | case M4AF_TAG_DESCRIPTION: |
147 | case M4AF_TAG_LONG_DESCRIPTION: |
148 | case M4AF_TAG_COPYRIGHT: |
149 | case M4AF_FOURCC('a','p','I','D'): |
150 | case M4AF_FOURCC('c','a','t','g'): |
151 | case M4AF_FOURCC('k','e','y','w'): |
152 | case M4AF_FOURCC('p','u','r','d'): |
153 | case M4AF_FOURCC('p','u','r','l'): |
154 | case M4AF_FOURCC('s','o','a','a'): |
155 | case M4AF_FOURCC('s','o','a','l'): |
156 | case M4AF_FOURCC('s','o','a','r'): |
157 | case M4AF_FOURCC('s','o','c','o'): |
158 | case M4AF_FOURCC('s','o','n','m'): |
159 | case M4AF_FOURCC('s','o','s','n'): |
160 | case M4AF_FOURCC('t','v','e','n'): |
161 | case M4AF_FOURCC('t','v','n','n'): |
162 | case M4AF_FOURCC('t','v','s','h'): |
163 | case M4AF_FOURCC('x','i','d',' '): |
164 | case M4AF_FOURCC('\xa9','e','n','c'): |
165 | case M4AF_FOURCC('\xa9','s','t','3'): |
166 | case M4AF_FOURCC('-','-','-','-'): |
167 | return 1; |
168 | } |
169 | return 0; |
170 | } |
171 | |
172 | void aacenc_add_tag_to_store(aacenc_tag_store_t *store, uint32_t tag, |
173 | const char *key, const char *value, |
174 | uint32_t size, int is_file_name) |
175 | { |
176 | aacenc_tag_entry_t entry = { 0 }; |
177 | char *dp = 0; |
cbb23cdb |
178 | |
179 | if (!is_file_name && !size) |
180 | return; |
3b666b75 |
181 | entry.tag = tag; |
182 | if (tag == M4AF_FOURCC('-','-','-','-')) |
183 | entry.name = (char *)key; |
184 | |
185 | if (is_file_name) { |
186 | entry.data = dp = aacenc_load_tag_from_file(value, &size); |
187 | entry.data_size = size; |
188 | } else if (aacenc_is_string_tag(tag)) { |
189 | entry.data = dp = aacenc_to_utf8(value); |
190 | entry.data_size = strlen(entry.data); |
191 | } else { |
192 | entry.data = (char *)value; |
193 | entry.data_size = size; |
194 | } |
195 | aacenc_add_tag_entry_to_store(store, &entry); |
196 | free(dp); |
197 | } |
198 | |
199 | void aacenc_add_tag_entry_to_store(void *ctx, const aacenc_tag_entry_t *tag) |
200 | { |
201 | aacenc_tag_store_t *store = ctx; |
202 | aacenc_tag_entry_t *entry; |
203 | if (store->tag_count == store->tag_table_capacity) { |
204 | unsigned newsize = store->tag_table_capacity; |
cbb23cdb |
205 | newsize = newsize ? newsize * 2 : 1; |
3b666b75 |
206 | store->tag_table = |
207 | realloc(store->tag_table, newsize * sizeof(aacenc_tag_entry_t)); |
208 | store->tag_table_capacity = newsize; |
cbb23cdb |
209 | } |
3b666b75 |
210 | entry = store->tag_table + store->tag_count; |
211 | entry->tag = tag->tag; |
212 | entry->data_size = tag->data_size; |
213 | entry->name = tag->name ? strdup(tag->name) : 0; |
214 | entry->data = malloc(tag->data_size + 1); |
215 | memcpy(entry->data, tag->data, tag->data_size); |
216 | entry->data[tag->data_size] = 0; |
217 | store->tag_count++; |
cbb23cdb |
218 | } |
219 | |
220 | static |
3b666b75 |
221 | void tag_put_number_pair(aacenc_translate_generic_text_tag_ctx_t *ctx, |
222 | uint32_t fcc, unsigned number, unsigned total) |
cbb23cdb |
223 | { |
cbb23cdb |
224 | char buf[128]; |
225 | aacenc_tag_entry_t entry = { 0 }; |
226 | |
cbb23cdb |
227 | if (number) { |
228 | if (total) sprintf(buf, "%u/%u", number, total); |
229 | else sprintf(buf, "%u", number); |
230 | entry.tag = fcc; |
231 | entry.data = buf; |
232 | entry.data_size = strlen(buf); |
3b666b75 |
233 | ctx->add(ctx->add_ctx, &entry); |
234 | } |
235 | } |
236 | |
237 | void aacenc_translate_generic_text_tag(void *pctx, const char *key, |
238 | const char *val, uint32_t size) |
239 | { |
240 | aacenc_translate_generic_text_tag_ctx_t *ctx = pctx; |
241 | aacenc_tag_entry_t entry = { 0 }; |
242 | uint32_t fcc; |
243 | /* |
244 | * Since track/disc number pair (number and total) can be stored within |
245 | * either single tag or separately, we cannot instantly translate |
246 | * them in one-to-one manner. |
247 | * Instead, we keep and store them until all tags are processed, |
248 | * then finally submit. |
249 | */ |
250 | if (!key) { |
251 | /* use null key as flushing signal */ |
252 | tag_put_number_pair(ctx, M4AF_TAG_TRACK, ctx->track, ctx->track_total); |
253 | tag_put_number_pair(ctx, M4AF_TAG_DISK, ctx->disc, ctx->disc_total); |
254 | return; |
255 | } |
256 | if (!val || !size) |
257 | return; |
258 | if ((fcc = get_tag_fcc_from_name(key)) == 0) |
259 | return; |
260 | |
261 | switch (fcc) { |
262 | case TAG_TOTAL_DISCS: |
263 | sscanf(val, "%d", &ctx->disc_total); break; |
264 | case TAG_TOTAL_TRACKS: |
265 | sscanf(val, "%d", &ctx->track_total); break; |
266 | case M4AF_TAG_DISK: |
267 | sscanf(val, "%d/%d", &ctx->disc, &ctx->disc_total); break; |
268 | case M4AF_TAG_TRACK: |
269 | sscanf(val, "%d/%d", &ctx->track, &ctx->track_total); break; |
270 | default: |
271 | { |
272 | entry.tag = fcc; |
273 | entry.data = (char *)val; |
274 | entry.data_size = (size == ~0U) ? strlen(val) : size; |
275 | ctx->add(ctx->add_ctx, &entry); |
276 | } |
cbb23cdb |
277 | } |
278 | } |
279 | |
1184a1f5 |
280 | static |
281 | const char *aacenc_json_object_get_string(JSON_Object *obj, const char *key, |
282 | char *buf) |
283 | { |
284 | JSON_Value_Type type; |
285 | const char *val = 0; |
286 | |
287 | type = json_value_get_type(json_object_get_value(obj, key)); |
288 | if (type == JSONString) |
289 | val = json_object_get_string(obj, key); |
290 | else if (type == JSONNumber) { |
291 | double num = json_object_get_number(obj, key); |
292 | sprintf(buf, "%.15g", num); |
293 | val = buf; |
294 | } else if (type == JSONBoolean) { |
295 | int n = json_object_get_boolean(obj, key); |
296 | sprintf(buf, "%d", n); |
297 | val = buf; |
298 | } |
299 | return val; |
300 | } |
301 | |
3b666b75 |
302 | void aacenc_write_tags_from_json(m4af_ctx_t *m4af, const char *json_filename) |
cbb23cdb |
303 | { |
304 | char *data = 0; |
305 | JSON_Value *json = 0; |
306 | JSON_Object *root; |
307 | size_t i, nelts; |
308 | uint32_t data_size; |
309 | char *json_dot_path; |
310 | char *filename = 0; |
3b666b75 |
311 | aacenc_translate_generic_text_tag_ctx_t ctx = { 0 }; |
312 | |
313 | ctx.add = aacenc_write_tag_entry; |
314 | ctx.add_ctx = m4af; |
315 | |
cbb23cdb |
316 | filename = strdup(json_filename); |
317 | if ((json_dot_path = strchr(filename, '?')) != 0) |
318 | *json_dot_path++ = '\0'; |
319 | |
320 | if (!(data = aacenc_load_tag_from_file(filename, &data_size))) |
321 | goto DONE; |
322 | if (!(json = json_parse_string(data))) { |
323 | aacenc_fprintf(stderr, "WARNING: failed to parse JSON\n"); |
324 | goto DONE; |
325 | } |
326 | root = json_value_get_object(json); |
327 | if (json_dot_path) { |
328 | if (!(root = json_object_dotget_object(root, json_dot_path))) { |
329 | aacenc_fprintf(stderr, "WARNING: %s not found in JSON\n", |
330 | json_dot_path); |
331 | goto DONE; |
332 | } |
333 | } |
334 | nelts = json_object_get_count(root); |
335 | for (i = 0; i < nelts; ++i) { |
336 | char buf[256]; |
1184a1f5 |
337 | const char *key = json_object_get_name(root, i); |
338 | const char *val = aacenc_json_object_get_string(root, key, buf); |
3b666b75 |
339 | if (val) aacenc_translate_generic_text_tag(&ctx, key, val, ~0U); |
cbb23cdb |
340 | } |
3b666b75 |
341 | aacenc_translate_generic_text_tag(&ctx, 0, 0, 0); |
cbb23cdb |
342 | DONE: |
cbb23cdb |
343 | if (data) free(data); |
344 | if (filename) free(filename); |
345 | if (json) json_value_free(json); |
346 | } |
347 | |
3b666b75 |
348 | void aacenc_free_tag_store(aacenc_tag_store_t *store) |
349 | { |
350 | if (store->tag_table) { |
351 | unsigned i; |
352 | for (i = 0; i < store->tag_count; ++i) { |
353 | aacenc_tag_entry_t *ent = &store->tag_table[i]; |
354 | free(ent->name); |
355 | free(ent->data); |
356 | } |
357 | free(store->tag_table); |
358 | store->tag_table = 0; |
359 | store->tag_count = 0; |
360 | } |
361 | } |
362 | |
363 | void aacenc_write_tag_entry(void *ctx, const aacenc_tag_entry_t *tag) |
cbb23cdb |
364 | { |
3b666b75 |
365 | m4af_ctx_t *m4af = ctx; |
cbb23cdb |
366 | unsigned m, n = 0; |
367 | const char *data = tag->data; |
cbb23cdb |
368 | |
cbb23cdb |
369 | switch (tag->tag) { |
370 | case M4AF_TAG_TRACK: |
371 | if (sscanf(data, "%u/%u", &m, &n) >= 1) |
372 | m4af_add_itmf_track_tag(m4af, m, n); |
373 | break; |
374 | case M4AF_TAG_DISK: |
375 | if (sscanf(data, "%u/%u", &m, &n) >= 1) |
376 | m4af_add_itmf_disk_tag(m4af, m, n); |
377 | break; |
378 | case M4AF_TAG_GENRE_ID3: |
379 | if (sscanf(data, "%u", &n) == 1) |
380 | m4af_add_itmf_genre_tag(m4af, n); |
381 | break; |
382 | case M4AF_TAG_TEMPO: |
383 | if (sscanf(data, "%u", &n) == 1) |
384 | m4af_add_itmf_int16_tag(m4af, tag->tag, n); |
385 | break; |
386 | case M4AF_TAG_COMPILATION: |
387 | case M4AF_FOURCC('a','k','I','D'): |
388 | case M4AF_FOURCC('h','d','v','d'): |
389 | case M4AF_FOURCC('p','c','s','t'): |
390 | case M4AF_FOURCC('p','g','a','p'): |
391 | case M4AF_FOURCC('r','t','n','g'): |
392 | case M4AF_FOURCC('s','t','i','k'): |
393 | if (sscanf(data, "%u", &n) == 1) |
394 | m4af_add_itmf_int8_tag(m4af, tag->tag, n); |
395 | break; |
396 | case M4AF_FOURCC('a','t','I','D'): |
397 | case M4AF_FOURCC('c','m','I','D'): |
398 | case M4AF_FOURCC('c','n','I','D'): |
399 | case M4AF_FOURCC('g','e','I','D'): |
400 | case M4AF_FOURCC('s','f','I','D'): |
401 | case M4AF_FOURCC('t','v','s','n'): |
402 | case M4AF_FOURCC('t','v','s','s'): |
403 | if (sscanf(data, "%u", &n) == 1) |
404 | m4af_add_itmf_int32_tag(m4af, tag->tag, n); |
405 | break; |
406 | case M4AF_FOURCC('p','l','I','D'): |
407 | { |
408 | int64_t qn; |
409 | if (sscanf(data, "%" SCNd64, &qn) == 1) |
410 | m4af_add_itmf_int64_tag(m4af, tag->tag, qn); |
411 | break; |
412 | } |
413 | case M4AF_TAG_ARTWORK: |
414 | { |
415 | int data_type = 0; |
416 | if (!memcmp(data, "GIF", 3)) |
417 | data_type = M4AF_GIF; |
418 | else if (!memcmp(data, "\xff\xd8\xff", 3)) |
419 | data_type = M4AF_JPEG; |
420 | else if (!memcmp(data, "\x89PNG", 4)) |
421 | data_type = M4AF_PNG; |
422 | if (data_type) |
423 | m4af_add_itmf_short_tag(m4af, tag->tag, data_type, |
3b666b75 |
424 | data, tag->data_size); |
cbb23cdb |
425 | break; |
426 | } |
427 | case M4AF_FOURCC('-','-','-','-'): |
428 | { |
3b666b75 |
429 | m4af_add_itmf_long_tag(m4af, tag->name, data); |
cbb23cdb |
430 | break; |
431 | } |
432 | default: |
3b666b75 |
433 | if (aacenc_is_string_tag(tag->tag)) |
434 | m4af_add_itmf_string_tag(m4af, tag->tag, data); |
435 | else |
436 | fprintf(stderr, "WARNING: unknown/unsupported tag: %c%c%c%c\n", |
437 | tag->tag >> 24, (tag->tag >> 16) & 0xff, |
438 | (tag->tag >> 8) & 0xff, tag->tag & 0xff); |
cbb23cdb |
439 | } |
cbb23cdb |
440 | } |
441 | |
442 | |