Added atmos support and new ULs per SMPTE 429-2:2013 - see README for deets.

1 files changed, 121 insertions, 0 deletions

diff --git a/src/DCData_ByteStream_Parser.cpp b/src/DCData_ByteStream_Parser.cpp
new file mode 100644
index 0000000..73565d4
--- /dev/null
+++ b/src/DCData_ByteStream_Parser.cpp
@@ -0,0 +1,121 @@
+/*
+Copyright (c) 2013-2013, John Hurst
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/*! \file    AtmosSyncChannel_Mixer.h
+    \version $Id$
+    \brief   AS-DCP library, Digital Cinema Data bytestream essence reader
+*/
+
+#include "AS_DCP.h"
+#include "KM_fileio.h"
+#include "KM_log.h"
+using Kumu::DefaultLogSink;
+
+//------------------------------------------------------------------------------------------
+
+class ASDCP::DCData::BytestreamParser::h__BytestreamParser
+{
+  ASDCP_NO_COPY_CONSTRUCT(h__BytestreamParser);
+
+public:
+  DCDataDescriptor  m_DDesc;
+  Kumu::FileReader   m_File;
+
+  h__BytestreamParser()
+  {
+    memset(&m_DDesc, 0, sizeof(m_DDesc));
+    m_DDesc.EditRate = Rational(24,1);
+  }
+
+  ~h__BytestreamParser() {}
+
+  Result_t OpenReadFrame(const char* filename, FrameBuffer& FB)
+  {
+    ASDCP_TEST_NULL_STR(filename);
+    m_File.Close();
+    Result_t result = m_File.OpenRead(filename);
+
+    if ( ASDCP_SUCCESS(result) )
+    {
+        Kumu::fsize_t file_size = m_File.Size();
+
+        if ( FB.Capacity() < file_size )
+        {
+            DefaultLogSink().Error("FrameBuf.Capacity: %u frame length: %u\n", FB.Capacity(), (ui32_t)file_size);
+            return RESULT_SMALLBUF;
+        }
+    }
+
+    ui32_t read_count;
+
+    if ( ASDCP_SUCCESS(result) )
+        result = m_File.Read(FB.Data(), FB.Capacity(), &read_count);
+
+    if ( ASDCP_SUCCESS(result) )
+        FB.Size(read_count);
+
+    return result;
+  }
+};
+
+
+//------------------------------------------------------------------------------------------
+
+ASDCP::DCData::BytestreamParser::BytestreamParser()
+{
+}
+
+ASDCP::DCData::BytestreamParser::~BytestreamParser()
+{
+}
+
+// Opens the stream for reading, parses enough data to provide a complete
+// set of stream metadata for the MXFWriter below.
+ASDCP::Result_t
+ASDCP::DCData::BytestreamParser::OpenReadFrame(const char* filename, FrameBuffer& FB) const
+{
+  const_cast<ASDCP::DCData::BytestreamParser*>(this)->m_Parser = new h__BytestreamParser;
+  return m_Parser->OpenReadFrame(filename, FB);
+}
+
+//
+ASDCP::Result_t
+ASDCP::DCData::BytestreamParser::FillDCDataDescriptor(DCDataDescriptor& DDesc) const
+{
+  if ( m_Parser.empty() )
+    return RESULT_INIT;
+
+  DDesc = m_Parser->m_DDesc;
+  return RESULT_OK;
+}
+
+
+//
+// end DCData_Bytestream_Parser.cpp
+//
+
+
+