1 /*************************************************************************** 2 * Copyright (C) 2017-2021 by Ilya Kotov * 3 * forkotov02@ya.ru * 4 * * 5 * This program is free software; you can redistribute it and/or modify * 6 * it under the terms of the GNU General Public License as published by * 7 * the Free Software Foundation; either version 2 of the License, or * 8 * (at your option) any later version. * 9 * * 10 * This program is distributed in the hope that it will be useful, * 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 13 * GNU General Public License for more details. * 14 * * 15 * You should have received a copy of the GNU General Public License * 16 * along with this program; if not, write to the * 17 * Free Software Foundation, Inc., * 18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * 19 ***************************************************************************/ 20 21 #ifndef SHOUTOUTPUT_H 22 #define SHOUTOUTPUT_H 23 24 #include <vorbis/vorbisenc.h> 25 #include <soxr.h> 26 #include <qmmp/output.h> 27 #include "shoutclient.h" 28 29 class ShoutOutput : public Output 30 { 31 public: 32 explicit ShoutOutput(ShoutClient *m); 33 ~ShoutOutput(); 34 35 bool initialize(quint32 freq, ChannelMap map, Qmmp::AudioFormat) override; 36 qint64 latency() override; 37 qint64 writeAudio(unsigned char *data, qint64 maxSize) override; 38 void drain() override; 39 void reset() override; 40 void setTrackInfo(const TrackInfo &info) override; 41 42 private: 43 void sendHeader(); 44 ShoutClient *m_client; 45 ogg_stream_state m_os; //take physical pages, weld into a logical stream of packets 46 ogg_page m_og; //one Ogg bitstream page. Vorbis packets are inside */ 47 ogg_packet m_op; //one raw packet of data for decode 48 vorbis_info m_vi; //struct that stores all the static vorbis bitstream settings 49 vorbis_comment m_vc; //struct that stores all the user comments 50 vorbis_dsp_state m_vd; //central working state for the packet->PCM decoder 51 vorbis_block m_vb; //local working space for packet->PCM decode 52 soxr_t m_soxr = nullptr; 53 float *m_soxr_buf = nullptr; 54 size_t m_soxr_buf_frames = 0; 55 double m_ratio = 0; 56 }; 57 58 #endif // SHOUTOUTPUT_H 59