2021-08-20 Fred Gleason <fredg@paravelsystems.com>

* Renamed audio driver components in caed(8). Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
2026-01-12 07:35:55 +01:00 · 2021-08-20 10:18:05 -04:00
parent 5a9f59ec62
commit 7f1d18ae62
12 changed files with 217 additions and 215 deletions
--- a/cae/driver_jack.h
+++ b/cae/driver_jack.h
@@ -0,0 +1,127 @@
+// driver_jack.h
+//
+// caed(8) driver for Advanced Linux Audio Architecture devices
+//
+//   (C) Copyright 2021 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef DRIVER_JACK_H
+#define DRIVER_JACK_H
+
+#include <QProcess>
+
+#include <soundtouch/SoundTouch.h>
+
+#include <rdconfig.h>
+#include <rdmeteraverage.h>
+#include <rdwavefile.h>
+
+#include "driver.h"
+
+#ifdef JACK
+#include <jack/jack.h>
+#endif  // JACK
+
+class DriverJack : public Driver
+{
+  Q_OBJECT
+ public:
+  DriverJack(QObject *parent=0);
+  ~DriverJack();
+  QString version() const;
+  bool initialize(unsigned *next_cardnum);
+  bool loadPlayback(int card,QString wavename,int *stream);
+  bool unloadPlayback(int card,int stream);
+  bool playbackPosition(int card,int stream,unsigned pos);
+  bool play(int card,int stream,int length,int speed,bool pitch,
+	       bool rates);
+  bool stopPlayback(int card,int stream);
+  bool timescaleSupported(int card);
+  bool loadRecord(int card,int port,int coding,int chans,int samprate,
+		     int bitrate,QString wavename);
+  bool unloadRecord(int card,int port,unsigned *len);
+  bool record(int card,int port,int length,int thres);
+  bool stopRecord(int card,int port);
+  bool setClockSource(int card,int src);
+  bool setInputVolume(int card,int stream,int level);
+  bool setOutputVolume(int card,int stream,int port,int level);
+  bool fadeOutputVolume(int card,int stream,int port,int level,
+				int length);
+  bool setInputLevel(int card,int port,int level);
+  bool setOutputLevel(int card,int port,int level);
+  bool setInputMode(int card,int stream,int mode);
+  bool setOutputMode(int card,int stream,int mode);
+  bool setInputVoxLevel(int card,int stream,int level);
+  bool setInputType(int card,int port,int type);
+  bool getInputStatus(int card,int port);
+  bool getInputMeters(int card,int port,short levels[2]);
+  bool getOutputMeters(int card,int port,short levels[2]);
+  bool getStreamOutputMeters(int card,int stream,short levels[2]);
+  bool setPassthroughLevel(int card,int in_port,int out_port,
+				   int level);
+  void getOutputPosition(int card,unsigned *pos);
+
+ public slots:
+  void processBuffers();
+
+ private slots:
+  void stopTimerData(int stream);
+  void fadeTimerData(int stream);
+  void recordTimerData(int stream);
+  void clientStartData();
+
+ private:
+  int GetJackOutputStream();
+  void FreeJackOutputStream(int stream);
+  void EmptyJackInputStream(int stream,bool done);
+#ifdef JACK
+  void WriteJackBuffer(int stream,jack_default_audio_sample_t *buffer,
+		       unsigned len,bool done);
+#endif  // JACK
+  void FillJackOutputStream(int stream);
+  void JackClock();
+  void JackSessionSetup();
+  bool jack_connected;
+  bool jack_activated;
+#ifdef JACK
+  int jack_card;
+  QList<QProcess *> jack_clients;
+  RDWaveFile *jack_record_wave[RD_MAX_STREAMS];
+  RDWaveFile *jack_play_wave[RD_MAX_STREAMS];
+  short *jack_wave_buffer;
+  int *jack_wave32_buffer;
+  uint8_t *jack_wave24_buffer;
+  jack_default_audio_sample_t *jack_sample_buffer;
+  soundtouch::SoundTouch *jack_st_conv[RD_MAX_STREAMS];
+  short jack_input_volume_db[RD_MAX_STREAMS];
+  short jack_output_volume_db[RD_MAX_PORTS][RD_MAX_STREAMS];
+  short jack_passthrough_volume_db[RD_MAX_PORTS][RD_MAX_PORTS];
+  short jack_fade_volume_db[RD_MAX_STREAMS];
+  short jack_fade_increment[RD_MAX_STREAMS];
+  int jack_fade_port[RD_MAX_STREAMS];
+  bool jack_fade_up[RD_MAX_STREAMS];
+  QTimer *jack_fade_timer[RD_MAX_STREAMS];
+  QTimer *jack_stop_timer[RD_MAX_STREAMS];
+  QTimer *jack_record_timer[RD_MAX_PORTS];
+  QTimer *jack_client_start_timer;
+  int jack_offset[RD_MAX_STREAMS];
+  int jack_clock_phase;
+  unsigned jack_samples_recorded[RD_MAX_STREAMS];
+#endif  // JACK
+};
+
+
+#endif  // DRIVER_JACK_H