1 ////////////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright (c) 2004-2021 musikcube team 4 // 5 // All rights reserved. 6 // 7 // Redistribution and use in source and binary forms, with or without 8 // modification, are permitted provided that the following conditions are met: 9 // 10 // * Redistributions of source code must retain the above copyright notice, 11 // this list of conditions and the following disclaimer. 12 // 13 // * Redistributions in binary form must reproduce the above copyright 14 // notice, this list of conditions and the following disclaimer in the 15 // documentation and/or other materials provided with the distribution. 16 // 17 // * Neither the name of the author nor the names of other contributors may 18 // be used to endorse or promote products derived from this software 19 // without specific prior written permission. 20 // 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 // POSSIBILITY OF SUCH DAMAGE. 32 // 33 ////////////////////////////////////////////////////////////////////////////// 34 35 #include <musikcore/sdk/IStreamingEncoder.h> 36 #include <musikcore/sdk/DataBuffer.h> 37 38 #pragma warning(push, 0) 39 #include <lame/lame.h> 40 #pragma warning(pop) 41 42 class LameEncoder: public musik::core::sdk::IStreamingEncoder { 43 using IBuffer = musik::core::sdk::IBuffer; 44 45 public: 46 LameEncoder(); 47 48 virtual void Release() override; 49 virtual bool Initialize(size_t rate, size_t channels, size_t bitrate) override; 50 virtual int Encode(const IBuffer* pcm, char** data) override; 51 virtual int Flush(char** data) override; 52 virtual void Finalize(const char* uri) override; 53 54 private: 55 DataBuffer<unsigned char> encodedBytes; 56 DataBuffer<float> downmix; 57 lame_t lame; 58 };