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/IDataStream.h> 36 #include <musikcore/sdk/IBlockingEncoder.h> 37 #include <musikcore/sdk/DataBuffer.h> 38 #include "Context.h" 39 #include <thread> 40 #include <condition_variable> 41 #include <mutex> 42 #include <string> 43 #include <stdio.h> 44 45 class BlockingTranscoder { 46 public: 47 using PositionType = musik::core::sdk::PositionType; 48 49 BlockingTranscoder( 50 Context& context, 51 musik::core::sdk::IBlockingEncoder* encoder, 52 const std::string& uri, 53 const std::string& tempFilename, 54 const std::string& finalFilename, 55 int bitrate); 56 57 virtual ~BlockingTranscoder(); 58 59 bool Transcode(); 60 void Interrupt(); 61 62 static int GetActiveCount(); 63 64 private: 65 void Cleanup(); 66 67 Context& context; 68 musik::core::sdk::IDataStream* input; 69 musik::core::sdk::IBlockingEncoder* encoder; 70 musik::core::sdk::IDataStream* output; 71 std::string tempFilename, finalFilename; 72 int bitrate; 73 bool interrupted; 74 };