C++ (Cpp) FLAC__metadata_simple_iterator_insert_block_after Beispiele

Beispiel #1

Datei: metadata1.c Projekt: tynn/python-flac

static PyObject *
flac_MetadataSimpleIterator_insert_block_after (flac_MetadataSimpleIteratorObject *self, PyObject *args)
{
	FLAC__bool use_padding;
	PyFLAC_StreamMetadataObject *metadata;

	PyFLAC_CHECK_initialized(self);

	use_padding = true;

	if (!PyArg_ParseTuple(args, "O!|O&", PyFLAC_type(StreamMetadata), &metadata, PyFLAC_bool_conv, &use_padding))
		return NULL;

	if (FLAC__metadata_simple_iterator_insert_block_after(self->iterator, metadata->metadata, use_padding))
	{
		self->next = false;
		Py_RETURN_NONE;
	}

	switch (flac_MetadataSimpleIterator_PyErr_FromIteratorStatus(self))
	{
		case 0:
			PyErr_SetString(PyExc_TypeError, "cannot insert a " PyFLAC_name(StreamMetadataStreamInfo));
			break;
		case 1:
			if (FLAC__metadata_simple_iterator_is_writable(self->iterator))
				PyFLAC_RuntimeError("an unexpected error occurred");
			else
				PyErr_SetString(PyExc_IOError, "File not open for writing");
	}

	return NULL;
}

Beispiel #2

Datei: flac.c Projekt: cc-archive/liblicense

int flac_write( const char* filename, const char *predicate, const char* uri )
{
	if (strcmp(predicate, LL_LICENSE) != 0) {
		return -LL_E_MODULE_WRITE_FAIL; /* We only know License */
	}
	int ret = 1;

	FLAC__Metadata_SimpleIterator *iter = FLAC__metadata_simple_iterator_new();
	if (FLAC__metadata_simple_iterator_init(iter,filename,false,false) && FLAC__metadata_simple_iterator_is_writable(iter)) {
		FLAC__bool found_vc = false;
		do {
			if (FLAC__metadata_simple_iterator_get_block_type(iter) == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
				FLAC__StreamMetadata *vc;

				found_vc = true;
				vc = FLAC__metadata_simple_iterator_get_block(iter);

				if (uri) {
					FLAC__StreamMetadata_VorbisComment_Entry entry;
					FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "LICENSE", uri);
					FLAC__metadata_object_vorbiscomment_replace_comment(vc,entry,true,false);
				} else {
					int i = FLAC__metadata_object_vorbiscomment_find_entry_from(vc,0,"LICENSE");
					if (i != -1) {
						FLAC__metadata_object_vorbiscomment_delete_comment(vc,i);
					}
				}

				ret = FLAC__metadata_simple_iterator_set_block(iter, vc, true);
				FLAC__metadata_object_delete(vc);
				break;
			}
		} while (FLAC__metadata_simple_iterator_next(iter));

		if (!found_vc && uri) {
			FLAC__StreamMetadata *vc = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);

			FLAC__StreamMetadata_VorbisComment_Entry entry;
			FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, "LICENSE", uri);
			FLAC__metadata_object_vorbiscomment_append_comment(vc,entry,false);

			ret = FLAC__metadata_simple_iterator_insert_block_after(iter,vc,true);
			FLAC__metadata_object_delete(vc);
		}
	} else {
		ret = 0;
	}

	FLAC__metadata_simple_iterator_delete(iter);

	return ret;
}