Ticket #808: Added compile time trap to avoid both implementations coexist.
git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2763 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjmedia/include/pjmedia-codec/config.h b/pjmedia/include/pjmedia-codec/config.h
index 83e2dc0..7571db4 100644
--- a/pjmedia/include/pjmedia-codec/config.h
+++ b/pjmedia/include/pjmedia-codec/config.h
@@ -254,5 +254,21 @@
#endif
+/**
+ * Enabling both G.722.1 codec implementations, internal PJMEDIA and IPP,
+ * may cause problem in SDP, i.e: payload types duplications. So, let's
+ * just trap such case here at compile time.
+ *
+ * Application can control which implementation to be used by manipulating
+ * PJMEDIA_HAS_G7221_CODEC and PJMEDIA_HAS_INTEL_IPP_CODEC_G722_1 in
+ * config_site.h.
+ */
+#if (PJMEDIA_HAS_G7221_CODEC != 0) && (PJMEDIA_HAS_INTEL_IPP != 0) && \
+ (PJMEDIA_HAS_INTEL_IPP_CODEC_G722_1 != 0)
+# error Only one G.722.1 implementation can be enabled at the same time. \
+ Please use PJMEDIA_HAS_G7221_CODEC and \
+ PJMEDIA_HAS_INTEL_IPP_CODEC_G722_1 in your config_site.h \
+ to control which implementation to be used.
+#endif
#endif /* __PJMEDIA_CODEC_CONFIG_H__ */