diff options
Diffstat (limited to '')
| -rw-r--r-- | src/decoder/dsdlib.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/decoder/dsdlib.c b/src/decoder/dsdlib.c index 3df9497c4..c788184e2 100644 --- a/src/decoder/dsdlib.c +++ b/src/decoder/dsdlib.c @@ -27,12 +27,18 @@ #include "dsf_decoder_plugin.h" #include "decoder_api.h" #include "util/bit_reverse.h" +#include "tag_handler.h" +#include "tag_id3.h" #include "dsdlib.h" #include "dsdiff_decoder_plugin.h" #include <unistd.h> #include <stdio.h> /* for SEEK_SET, SEEK_CUR */ +#ifdef HAVE_ID3TAG +#include <id3tag.h> +#endif + bool dsdlib_id_equals(const struct dsdlib_id *id, const char *s) { @@ -110,3 +116,53 @@ dsdlib_skip(struct decoder *decoder, struct input_stream *is, return true; } +/** + * Add tags from ID3 tag. All tags commonly found in the ID3 tags of + * DSF and DSDIFF files are imported + */ + +#ifdef HAVE_ID3TAG +void +dsdlib_tag_id3(struct input_stream *is, + const struct tag_handler *handler, + void *handler_ctx, goffset tagoffset) +{ + assert(tagoffset >= 0); + + if (tagoffset == 0) + return; + + if (!dsdlib_skip_to(NULL, is, tagoffset)) + return; + + struct id3_tag *id3_tag = NULL; + id3_length_t count; + + /* Prevent broken files causing problems */ + if (is->offset >= is->size) + return; + + count = is->size - is->offset; + + /* Check and limit id3 tag size to prevent a stack overflow */ + if (count == 0 || count > 4096) + return; + + id3_byte_t dsdid3[count]; + id3_byte_t *dsdid3data; + dsdid3data = dsdid3; + + if (!dsdlib_read(NULL, is, dsdid3data, count)) + return; + + id3_tag = id3_tag_parse(dsdid3data, count); + if (id3_tag == NULL) + return; + + scan_id3_tag(id3_tag, handler, handler_ctx); + + id3_tag_delete(id3_tag); + + return; +} +#endif |