Initial commit.

VoiceTransmit/VoiceStore.cpp

@@ -0,0 +1,119 @@
+/*
+ *   Copyright (C) 2014 by Jonathan Naylor G4KLX
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "DStarDefines.h"
+#include "VoiceStore.h"
+
+CVoiceStore::CVoiceStore(const wxArrayString& filenames) :
+m_filenames(filenames),
+m_header(NULL),
+m_fileNumber(0U),
+m_file()
+{
+}
+
+CVoiceStore::~CVoiceStore()
+{
+}
+
+bool CVoiceStore::open()
+{
+	wxString fileName = m_filenames.Item(0U);
+
+	bool ret = m_file.open(fileName);
+	if (!ret)
+		return false;
+
+	DVTFR_TYPE type = m_file.read();
+	if (type != DVTFR_HEADER) {
+		m_file.close();
+		return false;
+	}
+
+	m_header = m_file.readHeader();
+	m_fileNumber = 0U;
+
+	return true;
+}
+
+CHeaderData* CVoiceStore::getHeader()
+{
+	CHeaderData* header = m_header;
+
+	m_header = NULL;
+
+	return header;
+}
+
+CAMBEData* CVoiceStore::getAMBE()
+{
+	DVTFR_TYPE type = m_file.read();
+	if (type == DVTFR_DATA) {
+		CAMBEData* ambe = m_file.readData();
+		if (ambe != NULL)
+			return ambe;
+	}
+
+	for (;;) {
+		m_file.close();
+		m_fileNumber++;
+
+		// The end of the last file?
+		if (m_fileNumber == m_filenames.GetCount())
+			return NULL;
+
+		wxString filename = m_filenames.Item(m_fileNumber);
+
+		bool ret = m_file.open(filename);
+		if (!ret)
+			return NULL;
+
+		// This should get the header
+		type = m_file.read();
+
+		if (type == DVTFR_HEADER) {
+			// Throw the header away
+			CHeaderData* header = m_file.readHeader();
+			delete header;
+		} else if (type == DVTFR_DATA) {
+			// Shouldn't usually happen
+			CAMBEData* ambe = m_file.readData();
+			if (ambe != NULL)
+				return ambe;
+			else
+				continue;
+		} else {
+			// !!!!
+			continue;
+		}
+
+		// This should get the first data record
+		type = m_file.read();
+
+		if (type == DVTFR_DATA) {
+			CAMBEData* ambe = m_file.readData();
+			if (ambe != NULL)
+				return ambe;
+		}
+	}
+}
+
+void CVoiceStore::close()
+{
+	m_file.close();
+}