From 748a8a6f42653a6aededa8769c7315176f0b916f Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Tue, 7 Dec 2010 18:05:44 +0100 Subject: tag_id3: support multiple values Loop over all frames with a specific id, and import all of them - not just the first one (index 0). --- src/tag_id3.c | 46 ++++++++++++++++++++++++++++++++++++---------- 1 file changed, 36 insertions(+), 10 deletions(-) (limited to 'src/tag_id3.c') diff --git a/src/tag_id3.c b/src/tag_id3.c index c1302ca86..9c0a98d40 100644 --- a/src/tag_id3.c +++ b/src/tag_id3.c @@ -126,17 +126,16 @@ import_id3_string(bool is_id3v1, const id3_ucs4_t *ucs4) * - string list */ static void -tag_id3_import_text(struct tag *dest, struct id3_tag *tag, const char *id, - enum tag_type type) +tag_id3_import_text_frame(struct tag *dest, struct id3_tag *tag, + const struct id3_frame *frame, + enum tag_type type) { - struct id3_frame const *frame; id3_ucs4_t const *ucs4; id3_utf8_t *utf8; union id3_field const *field; unsigned int nstrings, i; - frame = id3_tag_findframe(tag, id, 0); - if (frame == NULL || frame->nfields != 2) + if (frame->nfields != 2) return; /* check the encoding field */ @@ -170,6 +169,20 @@ tag_id3_import_text(struct tag *dest, struct id3_tag *tag, const char *id, } } +/** + * Import all text frames with the specified id (ID3v2.4.0 section + * 4.2). This is a wrapper for tag_id3_import_text_frame(). + */ +static void +tag_id3_import_text(struct tag *dest, struct id3_tag *tag, const char *id, + enum tag_type type) +{ + const struct id3_frame *frame; + for (unsigned i = 0; + (frame = id3_tag_findframe(tag, id, i)) != NULL; ++i) + tag_id3_import_text_frame(dest, tag, frame, type); +} + /** * Import a "Comment frame" (ID3v2.4.0 section 4.10). It * contains 4 fields: @@ -180,16 +193,15 @@ tag_id3_import_text(struct tag *dest, struct id3_tag *tag, const char *id, * - full string (we use this one) */ static void -tag_id3_import_comment(struct tag *dest, struct id3_tag *tag, const char *id, - enum tag_type type) +tag_id3_import_comment_frame(struct tag *dest, struct id3_tag *tag, + const struct id3_frame *frame, + enum tag_type type) { - struct id3_frame const *frame; id3_ucs4_t const *ucs4; id3_utf8_t *utf8; union id3_field const *field; - frame = id3_tag_findframe(tag, id, 0); - if (frame == NULL || frame->nfields != 4) + if (frame->nfields != 4) return; /* for now I only read the 4th field, with the fullstring */ @@ -209,6 +221,20 @@ tag_id3_import_comment(struct tag *dest, struct id3_tag *tag, const char *id, g_free(utf8); } +/** + * Import all comment frames (ID3v2.4.0 section 4.10). This is a + * wrapper for tag_id3_import_comment_frame(). + */ +static void +tag_id3_import_comment(struct tag *dest, struct id3_tag *tag, const char *id, + enum tag_type type) +{ + const struct id3_frame *frame; + for (unsigned i = 0; + (frame = id3_tag_findframe(tag, id, i)) != NULL; ++i) + tag_id3_import_comment_frame(dest, tag, frame, type); +} + /** * Parse a TXXX name, and convert it to a tag_type enum value. * Returns TAG_NUM_OF_ITEM_TYPES if the TXXX name is not understood. -- cgit v1.2.3