claunia/flac
1
0
Fork 0
mirror of https://github.com/claunia/flac.git synced 2025-12-16 18:54:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

add FLAC__metadata_simple_iterator_get_application_id()

Browse Source
This commit is contained in:
Josh Coalson
2007-08-15 05:59:09 +00:00
parent 4b279f76a7
commit 4e56b06d63
5 changed files with 63 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/libFLAC/metadata_iterators.c
View File

@@ -609,6 +609,33 @@ FLAC_API unsigned FLAC__metadata_simple_iterator_get_block_length(const FLAC__Me
return iterator->length;
}
FLAC_API FLAC__bool FLAC__metadata_simple_iterator_get_application_id(FLAC__Metadata_SimpleIterator *iterator, FLAC__byte *id)
{
const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
FLAC__ASSERT(0 != iterator);
FLAC__ASSERT(0 != iterator->file);
FLAC__ASSERT(0 != id);
if(iterator->type != FLAC__METADATA_TYPE_APPLICATION) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
return false;
}
if(fread(id, 1, id_bytes, iterator->file) != id_bytes) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
return false;
}
/* back up */
if(0 != fseeko(iterator->file, -((int)id_bytes), SEEK_CUR)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
return true;
}
FLAC_API FLAC__StreamMetadata *FLAC__metadata_simple_iterator_get_block(FLAC__Metadata_SimpleIterator *iterator)
{
FLAC__StreamMetadata *block = FLAC__metadata_object_new(iterator->type);