- /*
- * Currently only one item of metadata is passed along to decoders,
- * samplerate. This can be extended as needed.
- */
- if (!(args = Py_BuildValue("{s:l}", "samplerate", (long)samplerate))) {
- srd_err("Unable to build Python object for metadata.");
- return SRD_ERR_PYTHON;
+SRD_PRIV int srd_inst_send_meta(struct srd_decoder_inst *di, int key,
+ GVariant *data)
+{
+ PyObject *py_ret;
+
+ if (key != SRD_CONF_SAMPLERATE)
+ /* This is the only key we pass on to the decoder for now. */
+ return SRD_OK;
+
+ if (!PyObject_HasAttrString(di->py_inst, "metadata"))
+ /* This decoder doesn't want metadata, that's fine. */
+ return SRD_OK;
+
+ py_ret = PyObject_CallMethod(di->py_inst, "metadata", "lK",
+ (long)SRD_CONF_SAMPLERATE,
+ (unsigned long long)g_variant_get_uint64(data));
+ Py_XDECREF(py_ret);
+
+ return SRD_OK;
+}
+
+/**
+ * Set a metadata configuration key in a session.
+ *
+ * @param sess The session to configure.
+ * @param key The configuration key (SRD_CONF_*).
+ * @param data The new value for the key, as a GVariant with GVariantType
+ * appropriate to that key. A floating reference can be passed
+ * in; its refcount will be sunk and unreferenced after use.
+ *
+ * @return SRD_OK upon success, a (negative) error code otherwise.
+ *
+ * @since 0.3.0
+ */
+SRD_API int srd_session_metadata_set(struct srd_session *sess, int key,
+ GVariant *data)
+{
+ GSList *l;
+ int ret;
+
+ if (session_is_valid(sess) != SRD_OK) {
+ srd_err("Invalid session.");
+ return SRD_ERR_ARG;