X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Finput%2Ffeed_queue.c;fp=src%2Finput%2Ffeed_queue.c;h=d62f3f6b71fb000e4018135441920bc502891e33;hb=f70db77ae6d27eea6cd9675c4eea5abf17c20765;hp=4e01313dec0a33e26ddcf1b829656af56ce7e84f;hpb=f40d8479b0cccf031feb0fc52b19333e85a9c4b3;p=libsigrok.git

diff --git a/src/input/feed_queue.c b/src/input/feed_queue.c
index 4e01313d..d62f3f6b 100644
--- a/src/input/feed_queue.c
+++ b/src/input/feed_queue.c
@@ -79,6 +79,35 @@ SR_API int feed_queue_logic_submit_one(struct feed_queue_logic *q,
 	return SR_OK;
 }
 
+SR_API int feed_queue_logic_submit_many(struct feed_queue_logic *q,
+	const uint8_t *data, size_t samples_count)
+{
+	uint8_t *wrptr;
+	size_t space, copy_count;
+	int ret;
+
+	wrptr = &q->data_bytes[q->fill_count * q->unit_size];
+	while (samples_count) {
+		space = q->alloc_count - q->fill_count;
+		copy_count = samples_count;
+		if (copy_count > space)
+			copy_count = space;
+		memcpy(wrptr, data, copy_count * q->unit_size);
+		data += copy_count * q->unit_size;
+		samples_count -= copy_count;
+		wrptr += copy_count * q->unit_size;
+		q->fill_count += copy_count;
+		if (q->fill_count == q->alloc_count) {
+			ret = feed_queue_logic_flush(q);
+			if (ret != SR_OK)
+				return ret;
+			wrptr = &q->data_bytes[0];
+		}
+	}
+
+	return SR_OK;
+}
+
 SR_API int feed_queue_logic_flush(struct feed_queue_logic *q)
 {
 	int ret;