diff --git a/examples/simple/rtp/deallocation_1.cc b/examples/simple/rtp/deallocation_1.cc
index 193b754..5e86fcf 100644
--- a/examples/simple/rtp/deallocation_1.cc
+++ b/examples/simple/rtp/deallocation_1.cc
@@ -4,7 +4,9 @@
 
 int main(int argc, char **argv)
 {
-    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566);
+    kvz_rtp::context ctx;
+
+    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566, RTP_FORMAT_GENERIC);
 
     (void)writer->start();
 
diff --git a/examples/simple/rtp/deallocation_2.cc b/examples/simple/rtp/deallocation_2.cc
index 205b2db..444cc99 100644
--- a/examples/simple/rtp/deallocation_2.cc
+++ b/examples/simple/rtp/deallocation_2.cc
@@ -4,7 +4,9 @@
 
 int main(int argc, char **argv)
 {
-    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566, 8888);
+    kvz_rtp::context ctx;
+
+    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566, 8888, RTP_FORMAT_GENERIC);
 
     (void)writer->start();
 
diff --git a/examples/simple/rtp/deallocation_3.cc b/examples/simple/rtp/deallocation_3.cc
index 86ae293..d652abc 100644
--- a/examples/simple/rtp/deallocation_3.cc
+++ b/examples/simple/rtp/deallocation_3.cc
@@ -9,7 +9,9 @@ void dealloc_hook(void *mem)
 
 int main(int argc, char **argv)
 {
-    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566, 8888);
+    kvz_rtp::context ctx;
+
+    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566, 8888, RTP_FORMAT_GENERIC);
 
     /* When SCD has processed this memory chunk, it will call dealloc_hook()
      * which will do all necessary deallocation steps required by the application 
diff --git a/examples/simple/rtp/sending.cc b/examples/simple/rtp/sending.cc
index c3a1c83..5e8e921 100644
--- a/examples/simple/rtp/sending.cc
+++ b/examples/simple/rtp/sending.cc
@@ -9,11 +9,22 @@ int main(int argc, char **argv)
     kvz_rtp::context ctx;
 
     /* Creating a writer is very simple: all that needs to be provided is the
-     * destination address and port.  
+     * destination address and port, and media type
+     *
+     * "RTP_FORMAT_GENERIC" means that no assumptions should be made about the data
+     * and it should be sent as it.
+     * This can be used for example raw video/raw audio or for media formats not supported
+     * by the library
+     *
+     * If "RTP_FORMAT_HEVC" is provided, push_frame() splits the buffer into NAL units
+     * and sends these NAL units in one or more RTP frames (if NAL unit size > MTU,
+     * the NAL unit is split into fragments)
+     * HEVC frame receiver will reconstruct the frame from these fragments and return
+     * complete NAL units back
      *
      * Source port is an optional argument that can be provided if UDP hole
      * punching is utilized */
-    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566, 8888);
+    kvz_rtp::writer *writer = ctx.create_writer("127.0.0.1", 5566, 8888, RTP_FORMAT_GENERIC);
 
     /* Before the writer can be used, it must be started. 
      * This initializes the underlying socket and all needed data structures */
@@ -23,21 +34,8 @@ int main(int argc, char **argv)
 
     for (int i = 0; i < 10; ++i) {
 
-        /* Sending data is as simple as calling push_frame()
-         *
-         * "RTP_FORMAT_GENERIC" means that no assumptions should be made about the data
-         * and it should be sent as it.
-         * This can be used for example raw video/raw audio or for media formats not supported
-         * by the library
-         *
-         * If "RTP_FORMAT_HEVC" is provided, push_frame() splits the buffer into NAL units
-         * and sends these NAL units in one or more RTP frames (if NAL unit size > MTU,
-         * the NAL unit is split into fragments)
-         * HEVC frame receiver will reconstruct the frame from these fragments and return
-         * complete NAL units back 
-         *
-         */
-        if (writer->push_frame(buffer, PAYLOAD_MAXLEN, RTP_FORMAT_GENERIC) != RTP_OK) {
+        /* Sending data is as simple as calling push_frame() */
+        if (writer->push_frame(buffer, PAYLOAD_MAXLEN, RTP_NO_FLAGS) != RTP_OK) {
             fprintf(stderr, "Failed to send RTP frame!");
         }
     }