+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_writer_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);
+}
+
+static
+void put_tool_tag(m4af_writer_t *m4af, const aacenc_param_ex_t *params,
+ HANDLE_AACENCODER encoder)
+{
+ char tool_info[256];
+ char *p = tool_info;
+ LIB_INFO *lib_info = 0;
+
+ p += sprintf(p, PROGNAME " %s, ", fdkaac_version);
+
+ lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO));
+ if (aacEncGetLibInfo(lib_info) == AACENC_OK) {
+ int i;
+ for (i = 0; i < FDK_MODULE_LAST; ++i)
+ if (lib_info[i].module_id == FDK_AACENC)
+ break;
+ p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr);
+ }
+ free(lib_info);
+ if (params->bitrate_mode)
+ sprintf(p, "VBR mode %d", params->bitrate_mode);
+ else
+ sprintf(p, "CBR %dkbps",
+ aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000);
+
+ m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info);
+}
+