test: add mock for audio codec

test/CMakeLists.txt

@@ -34,6 +34,7 @@ add_executable(${PROJECT_NAME}
 
   mock/cert.c
 
+  mock/mock_aucodec.c
   mock/mock_auplay.c
   mock/mock_mnat.c
   mock/mock_vidcodec.c

test/mock/mock_aucodec.c

@@ -0,0 +1,93 @@
+/**
+ * @file mock_aucodec.c mockup for audio codec with float support
+ *
+ * Copyright (C) 2024 commend.com - Christian Spielberger
+ */
+
+#include <re.h>
+#include <rem.h>
+#include <baresip.h>
+#include "../test.h"
+
+
+
+static int encode(struct auenc_state *aes, bool *marker, uint8_t *buf,
+		       size_t *len, int fmt, const void *sampv, size_t sampc)
+{
+	const uint8_t *p = sampv;
+	size_t sz = aufmt_sample_size(fmt);
+	size_t psize = sampc * sz;
+
+	(void)aes;
+	(void)marker;
+
+	if (!buf || !len || !sampv)
+		return EINVAL;
+
+	if (*len < psize)
+		return ENOMEM;
+
+	*len = psize;
+
+	while (sampc--) {
+		/* raw format */
+		memcpy(buf, p, sz);
+
+		buf += sz;
+		p += sz;
+	}
+
+	return 0;
+}
+
+
+static int decode(struct audec_state *ads, int fmt, void *sampv,
+		       size_t *sampc, bool marker,
+		       const uint8_t *buf, size_t len)
+{
+	uint8_t *p = sampv;
+	size_t sz = aufmt_sample_size(fmt);
+
+	(void)ads;
+	(void)marker;
+
+	if (!sampv || !sampc || !buf || !len)
+		return EINVAL;
+
+	if (*sampc < len)
+		return ENOMEM;
+
+	*sampc = len/sz;
+
+	while (len) {
+		memcpy(p, buf, sz);
+		buf += sz;
+		p += sz;
+		len -= sz;
+	}
+
+	return 0;
+}
+
+
+static struct aucodec aucmock = {
+	.name  = "aucmock",
+	.srate = 48000,
+	.crate = 48000,
+	.ch    = 2,
+	.pch   = 2,
+	.ench  = encode,
+	.dech  = decode,
+};
+
+
+void mock_aucodec_register(void)
+{
+	aucodec_register(baresip_aucodecl(), &aucmock);
+}
+
+
+void mock_aucodec_unregister(void)
+{
+	aucodec_unregister(&aucmock);
+}

test/test.h

@@ -153,6 +153,8 @@ struct auplay;
 
 typedef void (mock_sample_h)(struct auframe *af, const char *dev, void *arg);
 
+void mock_aucodec_register(void);
+void mock_aucodec_unregister(void);
 int mock_auplay_register(struct auplay **auplayp, struct list *auplayl,
 			 mock_sample_h *sampleh, void *arg);