provide a simple SDP line

src/zm_rtsp_server_adts_source.cpp

@@ -0,0 +1,46 @@
+/* ---------------------------------------------------------------------------
+**
+** ADTS_DeviceSource.cpp
+**
+** ADTS Live555 source
+**
+** -------------------------------------------------------------------------*/
+
+#include <sstream>
+#include <iomanip>
+
+// live555
+#include <Base64.hh>
+
+#include "zm_rtsp_server_adts_source.h"
+
+static unsigned const samplingFrequencyTable[16] = {
+  96000, 88200, 64000, 48000,
+  44100, 32000, 24000, 22050,
+  16000, 12000, 11025, 8000,
+  7350, 0, 0, 0
+};
+// ---------------------------------
+// ADTS ZoneMinder FramedSource
+// ---------------------------------
+//
+ADTS_ZoneMinderDeviceSource::ADTS_ZoneMinderDeviceSource(
+    UsageEnvironment& env,
+    Monitor *monitor,
+    AVStream *stream,
+    unsigned int queueSize
+    )
+  :
+    ZoneMinderDeviceSource(env, monitor, stream, queueSize),
+    samplingFrequencyIndex(0),
+    channels(stream->codecpar->channels)
+{
+  std::ostringstream os;
+  os <<
+    "profile-level-id=1;"
+    "mode=AAC-hbr;sizelength=13;indexlength=3;"
+    "indexdeltalength=3"
+    //<< extradata2psets(nullptr, m_stream)
+    << "\r\n";
+  m_auxLine.assign(os.str());    
+}