1 /* 2 * Author: Harry van Haaren 2014 3 * harryhaaren@gmail.com 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 Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 18 * MA 02110-1301, USA. 19 */ 20 21 #ifndef OPENAV_CAPTA 22 #define OPENAV_CAPTA 23 24 #include "lv2/lv2plug.in/ns/lv2core/lv2.h" 25 26 #define CAPTA_URI "http://www.openavproductions.com/artyfx#capta" 27 #define CAPTA_UI_URI "http://www.openavproductions.com/artyfx#capta/gui" 28 29 typedef enum { 30 // audio 31 CAPTA_INPUT_1 = 0, 32 CAPTA_INPUT_2, 33 CAPTA_INPUT_3, 34 CAPTA_INPUT_4, 35 36 // controls 37 CAPTA_RECORD, 38 39 } CaptaPortIndex; 40 41 #include "lv2/lv2plug.in/ns/ext/urid/urid.h" 42 #include "lv2/lv2plug.in/ns/ext/atom/atom.h" 43 44 #include "ringbuffer.h" 45 #include "zix/sem.h" 46 #include "zix/thread.h" 47 48 class SndfileHandle; 49 50 class Capta 51 { 52 public: 53 Capta(int rate); 54 ~Capta(); 55 static LV2_Handle instantiate(const LV2_Descriptor* descriptor, 56 double samplerate, 57 const char* bundle_path, 58 const LV2_Feature* const* features); 59 static void activate(LV2_Handle instance); 60 static void deactivate(LV2_Handle instance); 61 static void connect_port(LV2_Handle instance, uint32_t port, void *data); 62 static void run(LV2_Handle instance, uint32_t n_samples); 63 static void cleanup(LV2_Handle instance); 64 static const void* extension_data(const char* uri); 65 66 /// audio buffers 67 float* audioInput1; 68 float* audioInput2; 69 float* audioInput3; 70 float* audioInput4; 71 72 /// control signals 73 float* controlRecord; 74 75 private: 76 const int sr; 77 bool recording; 78 79 /// ringbuffer for streaming all audio to disk 80 jack_ringbuffer_t* ringbuffer; 81 // used to copy the data to disk 82 float* tmpAudioBuffer; 83 84 /// disk thread 85 SndfileHandle* sndfile; 86 87 // signals start/stop recording 88 ZixSem startRec; 89 ZixSem stopRec; 90 ZixSem overrunNotify; 91 ZixSem quitDiskThread; 92 93 // the disk thread 94 ZixThread diskThread; 95 96 void diskFunc(); staticDiskFunc(void * data)97 static void* staticDiskFunc(void* data) 98 { 99 ((Capta*)data)->diskFunc(); 100 return 0; 101 } 102 }; 103 104 #endif // OPENAV_CAPTA 105