added a note about AS-02 support.

1 files changed, 39 insertions, 0 deletions

diff --git a/src/AtmosSyncChannel_Mixer.cpp b/src/AtmosSyncChannel_Mixer.cpp
index 70cfbfd..a58b3cd 100644
--- a/src/AtmosSyncChannel_Mixer.cpp
+++ b/src/AtmosSyncChannel_Mixer.cpp
@@ -254,6 +254,45 @@ ASDCP::AtmosSyncChannelMixer::MixInAtmosSyncChannel()
 
 //
 Result_t
+ASDCP::AtmosSyncChannelMixer::AppendSilenceChannels(const ui32_t& channel_count)
+{
+  if ( m_ADesc.QuantizationBits == 0 )
+    {
+      DefaultLogSink().Error("Mixer object contains no channels, call OpenRead() first.\n");
+      return RESULT_PARAM;
+    }
+
+  Result_t result = RESULT_OK;
+  PCM::AudioDescriptor tmpDesc;
+
+  if ( channel_count > 0 )
+    {
+      Kumu::mem_ptr<SilenceDataProvider> I =
+	new SilenceDataProvider(channel_count,
+				m_ADesc.QuantizationBits,
+				m_ADesc.AudioSamplingRate.Numerator,
+				m_ADesc.EditRate);
+
+      result = I->FillAudioDescriptor(tmpDesc);
+
+      if ( ASDCP_SUCCESS(result) )
+	{
+	  m_ADesc.BlockAlign += tmpDesc.BlockAlign;
+	  m_ChannelCount += tmpDesc.ChannelCount;
+	  m_ADesc.ChannelCount = m_ChannelCount;
+	  m_ADesc.AvgBps = (ui32_t)(ceil(m_ADesc.AudioSamplingRate.Quotient()) * m_ADesc.BlockAlign);
+
+	  m_outputs.push_back(std::make_pair(channel_count, I.get()));
+	  m_inputs.push_back(I);
+	  I.release();
+	}
+    }
+
+  return result;
+}
+
+//
+Result_t
 ASDCP::AtmosSyncChannelMixer::FillAudioDescriptor(PCM::AudioDescriptor& ADesc) const
 {
   ADesc = m_ADesc;