diff options
Diffstat (limited to 'src/decoder/mad_plugin.c')
| -rw-r--r-- | src/decoder/mad_plugin.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/src/decoder/mad_plugin.c b/src/decoder/mad_plugin.c index 7cc78a0d2..1bda418e0 100644 --- a/src/decoder/mad_plugin.c +++ b/src/decoder/mad_plugin.c @@ -425,7 +425,27 @@ static void mp3_parse_id3(struct mp3_data *data, size_t tagsize, /* This code is enabled when libid3tag is disabled. Instead of parsing the ID3 frame, it just skips it. */ - mad_stream_skip(&data->stream, tagsize); + size_t count = data->stream.bufend - data->stream.this_frame; + + if (tagsize <= count) { + mad_stream_skip(&data->stream, tagsize); + } else { + mad_stream_skip(&data->stream, count); + + while (count < tagsize) { + size_t len = tagsize - count; + if (len > sizeof(buffer)) + len = sizeof(buffer); + + char ignored[1024]; + len = decoder_read(data->decoder, data->input_stream, + ignored, len); + if (len == 0) + break; + else + count += len; + } + } #endif } @@ -433,16 +453,16 @@ static void mp3_parse_id3(struct mp3_data *data, size_t tagsize, /** * This function emulates libid3tag when it is disabled. Instead of * doing a real analyzation of the frame, it just checks whether the - * frame begins with the string "ID3". If so, it returns the full - * length. + * frame begins with the string "ID3". If so, it returns the length + * of the ID3 frame. */ static signed long id3_tag_query(const void *p0, size_t length) { const char *p = p0; - return length > 3 && memcmp(p, "ID3", 3) == 0 - ? length + return length >= 10 && memcmp(p, "ID3", 3) == 0 + ? (p[8] << 7) + p[9] + 10 : 0; } #endif /* !HAVE_ID3TAG */ |