-static
-char *load_tag_from_file(const char *path, uint32_t *data_size)
-{
- FILE *fp = 0;
- char *data = 0;
- int64_t size;
-
- if ((fp = aacenc_fopen(path, "rb")) == NULL) {
- aacenc_fprintf(stderr, "WARNING: %s: %s\n", path, strerror(errno));
- goto END;
- }
- fseeko(fp, 0, SEEK_END);
- size = ftello(fp);
- if (size > 5*1024*1024) {
- aacenc_fprintf(stderr, "WARNING: %s: size too large\n", path);
- goto END;
- }
- fseeko(fp, 0, SEEK_SET);
- data = malloc(size + 1);
- if (data) fread(data, 1, size, fp);
- data[size] = 0;
- *data_size = (uint32_t)size;
-END:
- if (fp) fclose(fp);
- return data;
-}
-
-static
-void put_tag_entry(m4af_ctx_t *m4af, const aacenc_tag_entry_t *tag)
-{
- unsigned m, n = 0;
- const char *data = tag->data;
- uint32_t data_size = tag->data_size;
- char *file_contents = 0;
-
- if (tag->is_file_name) {
- data = file_contents = load_tag_from_file(tag->data, &data_size);
- if (!data) return;
- }
- switch (tag->tag) {
- case M4AF_TAG_TRACK:
- if (sscanf(data, "%u/%u", &m, &n) >= 1)
- m4af_add_itmf_track_tag(m4af, m, n);
- break;
- case M4AF_TAG_DISK:
- if (sscanf(data, "%u/%u", &m, &n) >= 1)
- m4af_add_itmf_disk_tag(m4af, m, n);
- break;
- case M4AF_TAG_GENRE_ID3:
- if (sscanf(data, "%u", &n) == 1)
- m4af_add_itmf_genre_tag(m4af, n);
- break;
- case M4AF_TAG_TEMPO:
- if (sscanf(data, "%u", &n) == 1)
- m4af_add_itmf_int16_tag(m4af, tag->tag, n);
- break;
- case M4AF_TAG_COMPILATION:
- case M4AF_FOURCC('a','k','I','D'):
- case M4AF_FOURCC('h','d','v','d'):
- case M4AF_FOURCC('p','c','s','t'):
- case M4AF_FOURCC('p','g','a','p'):
- case M4AF_FOURCC('r','t','n','g'):
- case M4AF_FOURCC('s','t','i','k'):
- if (sscanf(data, "%u", &n) == 1)
- m4af_add_itmf_int8_tag(m4af, tag->tag, n);
- break;
- case M4AF_FOURCC('a','t','I','D'):
- case M4AF_FOURCC('c','m','I','D'):
- case M4AF_FOURCC('c','n','I','D'):
- case M4AF_FOURCC('g','e','I','D'):
- case M4AF_FOURCC('s','f','I','D'):
- case M4AF_FOURCC('t','v','s','n'):
- case M4AF_FOURCC('t','v','s','s'):
- if (sscanf(data, "%u", &n) == 1)
- m4af_add_itmf_int32_tag(m4af, tag->tag, n);
- break;
- case M4AF_FOURCC('p','l','I','D'):
- {
- int64_t qn;
- if (sscanf(data, "%" SCNd64, &qn) == 1)
- m4af_add_itmf_int64_tag(m4af, tag->tag, qn);
- break;
- }
- case M4AF_TAG_ARTWORK:
- {
- int data_type = 0;
- if (!memcmp(data, "GIF", 3))
- data_type = M4AF_GIF;
- else if (!memcmp(data, "\xff\xd8\xff", 3))
- data_type = M4AF_JPEG;
- else if (!memcmp(data, "\x89PNG", 4))
- data_type = M4AF_PNG;
- if (data_type)
- m4af_add_itmf_short_tag(m4af, tag->tag, data_type,
- data, data_size);
- break;
- }
- case M4AF_FOURCC('-','-','-','-'):
- {
- char *u8 = aacenc_to_utf8(data);
- m4af_add_itmf_long_tag(m4af, tag->name, u8);
- free(u8);
- break;
- }
- case M4AF_TAG_TITLE:
- case M4AF_TAG_ARTIST:
- case M4AF_TAG_ALBUM:
- case M4AF_TAG_GENRE:
- case M4AF_TAG_DATE:
- case M4AF_TAG_COMPOSER:
- case M4AF_TAG_GROUPING:
- case M4AF_TAG_COMMENT:
- case M4AF_TAG_LYRICS:
- case M4AF_TAG_TOOL:
- case M4AF_TAG_ALBUM_ARTIST:
- case M4AF_TAG_DESCRIPTION:
- case M4AF_TAG_LONG_DESCRIPTION:
- case M4AF_TAG_COPYRIGHT:
- case M4AF_FOURCC('a','p','I','D'):
- case M4AF_FOURCC('c','a','t','g'):
- case M4AF_FOURCC('k','e','y','w'):
- case M4AF_FOURCC('p','u','r','d'):
- case M4AF_FOURCC('p','u','r','l'):
- case M4AF_FOURCC('s','o','a','a'):
- case M4AF_FOURCC('s','o','a','l'):
- case M4AF_FOURCC('s','o','a','r'):
- case M4AF_FOURCC('s','o','c','o'):
- case M4AF_FOURCC('s','o','n','m'):
- case M4AF_FOURCC('s','o','s','n'):
- case M4AF_FOURCC('t','v','e','n'):
- case M4AF_FOURCC('t','v','n','n'):
- case M4AF_FOURCC('t','v','s','h'):
- case M4AF_FOURCC('x','i','d',' '):
- case M4AF_FOURCC('\xa9','e','n','c'):
- case M4AF_FOURCC('\xa9','s','t','3'):
- {
- char *u8 = aacenc_to_utf8(data);
- m4af_add_itmf_string_tag(m4af, tag->tag, u8);
- free(u8);
- break;
- }
- default:
- fprintf(stderr, "WARNING: unknown/unsupported tag: %c%c%c%c\n",
- tag->tag >> 24, (tag->tag >> 16) & 0xff,
- (tag->tag >> 8) & 0xff, tag->tag & 0xff);
- }
- if (file_contents) free(file_contents);
-}
-