1 /* 2 Copyright (c) 2013 yvt 3 4 This file is part of OpenSpades. 5 6 OpenSpades is free software: you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 OpenSpades is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with OpenSpades. If not, see <http://www.gnu.org/licenses/>. 18 19 */ 20 21 #include <memory> 22 #include <vector> 23 24 #include "IAudioStream.h" 25 26 typedef struct OggOpusFile OggOpusFile; 27 typedef struct OpusFileCallbacks OpusFileCallbacks; 28 29 namespace spades { 30 class OpusAudioStream : public IAudioStream { 31 32 IStream *stream; 33 bool autoClose; 34 35 OggOpusFile *opusFile; 36 std::unique_ptr<OpusFileCallbacks> opusCallback; 37 38 int channels; 39 40 int subsamplePosition; 41 std::vector<float> currentSample; 42 43 public: 44 OpusAudioStream(IStream *, bool autoClose); 45 ~OpusAudioStream(); 46 47 uint64_t GetLength() override; 48 int GetSamplingFrequency() override; 49 SampleFormat GetSampleFormat() override; 50 int GetNumChannels() override; 51 52 int ReadByte() override; 53 size_t Read(void *, size_t bytes) override; 54 55 uint64_t GetPosition() override; 56 void SetPosition(uint64_t) override; 57 }; 58 } 59