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Diffstat (limited to 'decoder/src/lib/imbe_decoder.h')
-rw-r--r-- | decoder/src/lib/imbe_decoder.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/decoder/src/lib/imbe_decoder.h b/decoder/src/lib/imbe_decoder.h deleted file mode 100644 index e7645f0..0000000 --- a/decoder/src/lib/imbe_decoder.h +++ /dev/null @@ -1,90 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008 Steve Glass - * - * This file is part of OP25. - * - * OP25 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 3, or (at your option) - * any later version. - * - * OP25 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 OP25; see the file COPYING. If not, write to the Free - * Software Foundation, Inc., 51 Franklin Street, Boston, MA - * 02110-1301, USA. - */ - -#ifndef INCLUDED_IMBE_DECODER_H -#define INCLUDED_IMBE_DECODER_H - -#include <boost/noncopyable.hpp> -#include <boost/shared_ptr.hpp> -#include <deque> -#include <vector> - -typedef std::deque<float> audio_samples; -typedef std::vector<bool> voice_codeword; - -typedef boost::shared_ptr<class imbe_decoder> imbe_decoder_sptr; - -/** - * imbe_decoder is the interface to the various mechanisms for - * translating P25 voice codewords into audio samples. - */ -class imbe_decoder : public boost::noncopyable { -public: - - /** - * imbe_decoder (virtual) constructor. The exact subclass - * instantiated depends on some yet-to-be-decided magic. - * - * \return A shared_ptr to an imbe_decoder. - */ - static imbe_decoder_sptr make(); - - /** - * imbe_decoder (virtual) destructor. - */ - virtual ~imbe_decoder(); - - /** - * Decode the compressed IMBE audio. - * - * \param cw IMBE codeword (including parity check bits). - */ - virtual void decode(const voice_codeword& cw) = 0; - - /** - * Returns the audio_samples samples. These are mono samples at - * 8KS/s represented as a float in the range -1.0 .. +1.0. - * - * \return A non-null pointer to a deque<float> of audio samples. - */ - audio_samples *audio(); - -protected: - - /** - * Construct an instance of imbe_decoder. Access is protected - * because this is an abstract class and users should call - * make_imbe_decoder to construct concrete instances. - */ - imbe_decoder(); - -private: - - /** - * The audio samples produced by the IMBE decoder. - */ - audio_samples d_audio; - -}; - -#endif /* INCLUDED_IMBE_DECODER_H */ |