mp3: support stream tags

Parse ID3 tags, even when they are in the middle of the stream. Very few streams provide embedded ID3 tags. Most of them send only Shoutcast "icy" tags, which limits the practical usefulness of this patch.

mp3: support stream tags
67814edd · Max Kellermann · 514c37b0 · 67814edd
Commit 67814edd authored Nov 11, 2008 by Max Kellermann
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mp3_plugin.c src/decoder/mp3_plugin.c +8 -1

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--- a/src/decoder/mp3_plugin.c
+++ b/src/decoder/mp3_plugin.c
@@ -1022,8 +1022,15 @@ mp3_read(struct mp3_data *data, struct replay_gain_info **replay_gain_info_r)
 		bool skip = false;

 		do {
-			ret = decode_next_frame_header(data, NULL,
+			struct tag *tag = NULL;
+
+			ret = decode_next_frame_header(data, &tag,
 						       replay_gain_info_r);
+
+			if (tag != NULL) {
+				decoder_tag(decoder, data->input_stream, tag);
+				tag_free(tag);
+			}
 		} while (ret == DECODE_CONT);
 		if (ret == DECODE_BREAK)
 			return false;