Gnash 0.8.10dev
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00001 // AudioDecoderSimple.h: Audio decoding using "simple" internal decoders. 00002 // 00003 // Copyright (C) 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. 00004 // 00005 // This program is free software; you can redistribute it and/or modify 00006 // it under the terms of the GNU General Public License as published by 00007 // the Free Software Foundation; either version 3 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00018 00019 00020 #ifndef GNASH_AUDIODECODERSIMPLE_H 00021 #define GNASH_AUDIODECODERSIMPLE_H 00022 00023 #include "AudioDecoder.h" // for inheritance 00024 #include "MediaParser.h" // for audioCodecType enum (composition) 00025 00026 // Forward declarations 00027 namespace gnash { 00028 namespace media { 00029 class SoundInfo; 00030 class AudioInfo; 00031 } 00032 } 00033 00034 namespace gnash { 00035 namespace media { 00036 00038 class AudioDecoderSimple : public AudioDecoder { 00039 00040 public: 00041 00049 AudioDecoderSimple(const AudioInfo& info); 00050 00058 AudioDecoderSimple(const SoundInfo& info); 00059 00060 ~AudioDecoderSimple(); 00061 00062 // See dox in AudioDecoder.h 00063 boost::uint8_t* decode(const boost::uint8_t* input, boost::uint32_t inputSize, boost::uint32_t& outputSize, boost::uint32_t& decodedBytes, bool parse); 00064 00065 private: 00066 00067 // throws MediaException on failure 00068 void setup(const AudioInfo& info); 00069 00070 // throws MediaException on failure 00071 void setup(const SoundInfo& info); 00072 00073 // codec 00074 audioCodecType _codec; 00075 00076 // samplerate 00077 boost::uint16_t _sampleRate; 00078 00079 // sampleCount 00080 boost::uint32_t _sampleCount; 00081 00082 // stereo 00083 bool _stereo; 00084 00085 // samplesize: 8 or 16 bit 00086 bool _is16bit; 00087 00088 00089 // 00090 }; 00091 00092 } // gnash.media namespace 00093 } // gnash namespace 00094 00095 #endif // __AUDIODECODERSIMPLE_H__ 00096