X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Ftransform%2Fscale.c;h=ef2d6b456d724a10814a518a5983cd0ec5be5624;hb=dba986ab0aec637070becceef52c2183cc53621f;hp=b4dd13cb90e028423cd11b5e959db8a2b0d0ceb3;hpb=2d237f3ce88eacbaf6ff84a38fd99f2ed6ed0f8f;p=libsigrok.git

diff --git a/src/transform/scale.c b/src/transform/scale.c
index b4dd13cb..ef2d6b45 100644
--- a/src/transform/scale.c
+++ b/src/transform/scale.c
@@ -49,6 +49,7 @@ static int receive(const struct sr_transform *t,
 		struct sr_datafeed_packet **packet_out)
 {
 	struct context *ctx;
+	const struct sr_datafeed_analog_old *analog_old;
 	const struct sr_datafeed_analog *analog;
 	struct sr_channel *ch;
 	GSList *l;
@@ -61,20 +62,25 @@ static int receive(const struct sr_transform *t,
 	ctx = t->priv;
 
 	switch (packet_in->type) {
-	case SR_DF_ANALOG:
-		analog = packet_in->payload;
-		fdata = (float *)analog->data;
-		num_channels = g_slist_length(analog->channels);
+	case SR_DF_ANALOG_OLD:
+		analog_old = packet_in->payload;
+		fdata = (float *)analog_old->data;
+		num_channels = g_slist_length(analog_old->channels);
 		factor = (float) ctx->factor.p / ctx->factor.q;
-		for (i = 0; i < analog->num_samples; i++) {
+		for (i = 0; i < analog_old->num_samples; i++) {
 			/* For now scale all values in all channels. */
-			for (l = analog->channels, c = 0; l; l = l->next, c++) {
+			for (l = analog_old->channels, c = 0; l; l = l->next, c++) {
 				ch = l->data;
 				(void)ch;
 				fdata[i * num_channels + c] *= factor;
 			}
 		}
 		break;
+	case SR_DF_ANALOG:
+		analog = packet_in->payload;
+		analog->encoding->scale.p *= ctx->factor.p;
+		analog->encoding->scale.q *= ctx->factor.q;
+		break;
 	default:
 		sr_spew("Unsupported packet type %d, ignoring.", packet_in->type);
 		break;
@@ -112,7 +118,7 @@ static const struct sr_option *get_options(void)
 
 	/* Default to a scaling factor of 1.0. */
 	if (!options[0].def)
-		options[0].def = g_variant_ref_sink(g_variant_new(("(xt"), &p, &q));
+		options[0].def = g_variant_ref_sink(g_variant_new("(xt)", &p, &q));
 
 	return options;
 }