1 files changed, 100 insertions, 0 deletions
diff --git a/orkaudio/audiofile/PcmFile.cpp b/orkaudio/audiofile/PcmFile.cpp
new file mode 100644
index 0000000..93f4743
--- /dev/null
+++ b/orkaudio/audiofile/PcmFile.cpp
@@ -0,0 +1,100 @@
+/*
+ * Oreka -- A media capture and retrieval platform
+ * 
+ * Copyright (C) 2005, orecx LLC
+ *
+ * http://www.orecx.com
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License.
+ * Please refer to http://www.gnu.org/copyleft/gpl.html
+ *
+ */
+
+#include "PcmFile.h"
+
+PcmFile::PcmFile()
+{
+	m_stream = NULL;
+	m_mode = READ;
+	m_numChunksWritten = 0;
+}
+
+PcmFile::~PcmFile()
+{
+	Close();
+}
+
+
+void PcmFile::Close()
+{
+	if(m_stream)
+	{
+		ACE_OS::fclose(m_stream);
+		m_stream = NULL;
+	}
+}
+
+void PcmFile::WriteChunk(AudioChunkRef chunkRef)
+{
+	unsigned int numWritten = 0;
+	if (m_stream)
+	{
+		numWritten = ACE_OS::fwrite(chunkRef->m_pBuffer, sizeof(short), chunkRef->GetNumSamples(), m_stream);
+	}
+	else
+	{
+		throw(CStdString("Write attempt on unopened file:")+ m_filename);
+	}
+
+	if (numWritten != chunkRef->GetNumSamples())
+	{
+		throw(CStdString("Could not write to file:")+ m_filename);
+	}
+}
+
+int PcmFile::ReadChunkMono(AudioChunkRef& chunkRef)
+{
+	unsigned int numRead = 0;
+	if (m_stream)
+	{
+		chunkRef.reset(new AudioChunk());
+		short temp[PCM_FILE_DEFAULT_CHUNK_NUM_SAMPLES];
+		numRead = ACE_OS::fread(temp, sizeof(short), PCM_FILE_DEFAULT_CHUNK_NUM_SAMPLES, m_stream);
+		chunkRef->SetBuffer(temp, sizeof(short)*numRead, AudioChunk::PcmAudio);
+	}
+	else
+	{
+		throw(CStdString("Read attempt on unopened file:")+ m_filename);
+	}
+	return numRead;
+}
+
+
+void PcmFile::Open(CStdString& filename, fileOpenModeEnum mode, bool stereo, int sampleRate)
+{
+	if(!m_filename.Equals(filename))
+	{
+		m_filename = filename + ".pcm";
+	}
+	m_stream = NULL;
+	m_mode = mode;
+	if (mode == READ)
+	{
+		m_stream = ACE_OS::fopen((PCSTR)m_filename, "rb");
+	}
+	else
+	{
+		RecursiveMkdir(m_filename);
+		m_stream = ACE_OS::fopen((PCSTR)m_filename, "wb");
+	}
+	if(!m_stream)
+	{
+		throw(CStdString("Could not open file: ") + m_filename);
+	}
+}
+
+CStdString PcmFile::GetExtension()
+{
+	return ".pcm";
+}