Gnash 0.8.10dev
AudioDecoderSpeex.h
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00001 //   Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
00002 // 
00003 // This program is free software; you can redistribute it and/or modify
00004 // it under the terms of the GNU General Public License as published by
00005 // the Free Software Foundation; either version 3 of the License, or
00006 // (at your option) any later version.
00007 // 
00008 // This program is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011 // GNU General Public License for more details.
00012 //
00013 // You should have received a copy of the GNU General Public License
00014 // along with this program; if not, write to the Free Software
00015 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00016 
00017 #include "AudioDecoder.h"
00018 
00019 #ifdef HAVE_CONFIG_H
00020 # include "gnashconfig.h"
00021 #endif
00022 #include <speex/speex.h> 
00023 
00024 #ifdef RESAMPLING_SPEEX
00025 # include <speex/speex_resampler.h>
00026 #endif
00027 
00028 #ifndef GNASH_MEDIA_DECODER_SPEEX
00029 #define GNASH_MEDIA_DECODER_SPEEX
00030 
00031 namespace gnash {
00032 namespace media {
00033 
00035 //
00038 class AudioDecoderSpeex : public AudioDecoder
00039 {
00040 public:
00041     AudioDecoderSpeex();
00042     ~AudioDecoderSpeex();
00043 
00044     boost::uint8_t* decode(const EncodedAudioFrame& input,
00045         boost::uint32_t& outputSize);
00046 
00047 private:
00048 
00049     SpeexBits _speex_bits;
00050     void* _speex_dec_state;
00051     int _speex_framesize;
00052 
00053 #ifdef RESAMPLING_SPEEX
00054     SpeexResamplerState* _resampler;
00056     boost::uint32_t _target_frame_size;
00057 #endif
00058 };
00059 
00060 } // namespace media
00061 } // namespace gnash
00062 
00063 #endif // GNASH_MEDIA_DECODER_SPEEX