X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=type_decoder.c;h=6692c3d44e34c54960381aa56812748726e81406;hp=cff242c79999e83d3095dbb1293c0d501cc1bada;hb=5b2c45db1db190ba7f921b0808c123c6e48a47f3;hpb=29adc171b485ff08a737488e84db08eb67a0590a

diff --git a/type_decoder.c b/type_decoder.c
index cff242c..6692c3d 100644
--- a/type_decoder.c
+++ b/type_decoder.c
@@ -50,7 +50,6 @@ static void release_annotation(struct srd_proto_data_annotation *pda)
 		return;
 	if (pda->ann_text)
 		g_strfreev(pda->ann_text);
-	g_free(pda);
 }
 
 static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
@@ -110,10 +109,9 @@ static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
 		goto err;
 	}
 
-	pda = g_malloc(sizeof(struct srd_proto_data_annotation));
+	pda = pdata->data;
 	pda->ann_class = ann_class;
 	pda->ann_text = ann_text;
-	pdata->data = pda;
 
 	PyGILState_Release(gstate);
 
@@ -130,7 +128,6 @@ static void release_binary(struct srd_proto_data_binary *pdb)
 	if (!pdb)
 		return;
 	g_free((void *)pdb->data);
-	g_free(pdb);
 }
 
 static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
@@ -194,15 +191,12 @@ static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
 
 	PyGILState_Release(gstate);
 
-	pdb = g_malloc(sizeof(struct srd_proto_data_binary));
+	pdb = pdata->data;
 	pdb->bin_class = bin_class;
 	pdb->size = size;
-	if (!(pdb->data = g_try_malloc(pdb->size))) {
-		g_free(pdb);
+	if (!(pdb->data = g_try_malloc(pdb->size)))
 		return SRD_ERR_MALLOC;
-	}
 	memcpy((void *)pdb->data, (const void *)buf, pdb->size);
-	pdata->data = pdb;
 
 	return SRD_OK;
 
@@ -256,6 +250,12 @@ static inline struct srd_decoder_inst *srd_inst_find_by_obj(
 	struct srd_session *sess;
 	GSList *l;
 
+	/* Performance shortcut: Handle the most common case first. */
+	sess = sessions->data;
+	di = sess->di_list->data;
+	if (di->py_inst == obj)
+		return di; 
+
 	di = NULL;
 	for (l = sessions; di == NULL && l != NULL; l = l->next) {
 		sess = l->data;
@@ -319,6 +319,8 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
 	struct srd_decoder_inst *di, *next_di;
 	struct srd_pd_output *pdo;
 	struct srd_proto_data pdata;
+	struct srd_proto_data_annotation pda;
+	struct srd_proto_data_binary pdb;
 	uint64_t start_sample, end_sample;
 	int output_id;
 	struct srd_pd_callback *cb;
@@ -364,6 +366,7 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
 	case SRD_OUTPUT_ANN:
 		/* Annotations are only fed to callbacks. */
 		if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
+			pdata.data = &pda;
 			/* Convert from PyDict to srd_proto_data_annotation. */
 			if (convert_annotation(di, py_data, &pdata) != SRD_OK) {
 				/* An error was already logged. */
@@ -399,6 +402,7 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
 		break;
 	case SRD_OUTPUT_BINARY:
 		if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
+			pdata.data = &pdb;
 			/* Convert from PyDict to srd_proto_data_binary. */
 			if (convert_binary(di, py_data, &pdata) != SRD_OK) {
 				/* An error was already logged. */