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

1 files changed, 119 insertions, 0 deletions

diff --git a/src/PCMDataProviders.h b/src/PCMDataProviders.h
new file mode 100644
index 0000000..9241fd3
--- /dev/null
+++ b/src/PCMDataProviders.h
@@ -0,0 +1,119 @@
+/*
+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    PCMDataProviders.h
+    \version $Id$
+    \brief   PCM sample data providers for WAV, AtmosSync and Silence.
+*/
+
+#ifndef _PCMDATAPROVIDERS_H_
+#define _PCMDATAPROVIDERS_H_
+
+#include <AS_DCP.h>
+#include <AtmosSyncChannel_Generator.h>
+
+namespace ASDCP
+{
+
+  // PCM Data Provider Interface
+  class PCMDataProviderInterface
+  {
+      ASDCP_NO_COPY_CONSTRUCT(PCMDataProviderInterface);
+
+  public:
+      PCMDataProviderInterface() {};
+      virtual ~PCMDataProviderInterface() = 0;
+      virtual Result_t PutSample(const ui32_t numChannels, byte_t* buf, ui32_t* bytesWritten) = 0;
+      virtual Result_t ReadFrame() = 0;
+      virtual Result_t FillAudioDescriptor(PCM::AudioDescriptor& ADesc) const = 0;
+      virtual Result_t Reset() = 0;
+  };
+
+  // WAV file implementation of the PCM Data Provider Interface
+  class WAVDataProvider : public PCMDataProviderInterface
+  {
+      ASDCP_NO_COPY_CONSTRUCT(WAVDataProvider);
+      PCM::WAVParser       m_Parser;
+      PCM::FrameBuffer     m_FB;
+      PCM::AudioDescriptor m_ADesc;
+      const byte_t*        m_ptr;
+      ui32_t               m_SampleSize;
+
+  public:
+      WAVDataProvider();
+      virtual ~WAVDataProvider();
+      virtual Result_t PutSample(const ui32_t numChannels, byte_t* buf, ui32_t* bytesWritten);
+      virtual Result_t ReadFrame();
+      virtual Result_t FillAudioDescriptor(PCM::AudioDescriptor& ADesc) const;
+      virtual Result_t Reset();
+      Result_t OpenRead(const char* filename, const Rational& PictureRate);
+
+  };
+
+  // Atmos Sync Channel implementation of the PCM Data Provider Interface
+  class AtmosSyncDataProvider : public PCMDataProviderInterface
+  {
+      ASDCP_NO_COPY_CONSTRUCT(AtmosSyncDataProvider);
+      PCM::AtmosSyncChannelGenerator m_Generator;
+      PCM::FrameBuffer                m_FB;
+      PCM::AudioDescriptor            m_ADesc;
+      const byte_t*                   m_ptr;
+      ui32_t                          m_SampleSize;
+
+  public:
+      AtmosSyncDataProvider(const ui16_t bitsPerSample, const ui32_t sampleRate,
+                            const ASDCP::Rational& PictureRate, const byte_t* uuid);
+      virtual ~AtmosSyncDataProvider();
+      virtual Result_t PutSample(const ui32_t numChannels, byte_t* buf, ui32_t* bytesWritten);
+      virtual Result_t ReadFrame();
+      virtual Result_t FillAudioDescriptor(PCM::AudioDescriptor& ADesc) const;
+      virtual Result_t Reset();
+  };
+
+  // Silence Channel(s) implementation of the PCM Data Provider Interface
+  class SilenceDataProvider : public PCMDataProviderInterface
+  {
+      ASDCP_NO_COPY_CONSTRUCT(SilenceDataProvider);
+      PCM::AudioDescriptor  m_ADesc;
+      ui32_t                m_SampleSize;
+
+  public:
+      SilenceDataProvider(const ui16_t numChannels, const ui16_t bitsPerSample,
+                          const ui32_t sampleRate, const ASDCP::Rational& editRate);
+      virtual ~SilenceDataProvider();
+      virtual Result_t PutSample(const ui32_t numChannels, byte_t* buf, ui32_t* bytesWritten);
+      virtual Result_t ReadFrame();
+      virtual Result_t FillAudioDescriptor(PCM::AudioDescriptor& ADesc) const;
+      virtual Result_t Reset();
+  };
+
+} // namespace ASDCP
+
+#endif // _PCMDATAPROVIDERS_H_
+
+//
+// end PCMDataProviders.h
+//