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	* Refactored ripcd(8) to manage JACK port [dis]connections directly, rather than by delegation to caed(8).
		
			
				
	
	
		
			437 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			437 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // cae.h
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| //
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| // The Core Audio Engine component of Rivendell
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| //
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| //   (C) Copyright 2002-2019 Fred Gleason <fredg@paravelsystems.com>
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| //
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| //   This program is free software; you can redistribute it and/or modify
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| //   it under the terms of the GNU General Public License version 2 as
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| //   published by the Free Software Foundation.
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| //
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| //   This program is distributed in the hope that it will be useful,
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| //   but WITHOUT ANY WARRANTY; without even the implied warranty of
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| //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| //   GNU General Public License for more details.
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| //
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| //   You should have received a copy of the GNU General Public
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| //   License along with this program; if not, write to the Free Software
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| //   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| //
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| 
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| #ifndef CAE_H
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| #define CAE_H
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| 
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| #include <sys/types.h>
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| #include <pthread.h>
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| #include <stdint.h>
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| 
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| #include <soundtouch/SoundTouch.h>
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| 
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| #include <qobject.h>
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| #include <qstring.h>
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| #include <qsignalmapper.h>
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| #include <qtimer.h>
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| //#include <q3process.h>
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| #include <qprocess.h>
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| #include <qudpsocket.h>
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| 
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| #include <rdwavefile.h>
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| 
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| #ifdef HPI
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| #include <rdhpisoundcard.h>
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| #include <rdhpiplaystream.h>
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| #include <rdhpirecordstream.h>
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| #endif  // HPI
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| 
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| #ifdef ALSA
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| #include <alsa/asoundlib.h>
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| struct alsa_format {
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|   int card;
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|   pthread_t thread;
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|   snd_pcm_t *pcm;
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|   unsigned channels;
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|   unsigned capture_channels;
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|   snd_pcm_uframes_t buffer_size;
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|   snd_pcm_format_t format;
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|   unsigned sample_rate;
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|   char *card_buffer;
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|   char *passthrough_buffer;
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|   unsigned card_buffer_size;
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|   unsigned periods;
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|   bool exiting;
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| };
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| #endif  // ALSA
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| 
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| #ifdef JACK
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| #include <jack/jack.h>
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| #endif  // JACK
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| 
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| #ifdef HAVE_TWOLAME
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| #include <twolame.h>
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| #endif  // HAVE_TWOLAME
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| #ifdef HAVE_MAD
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| #include <mad.h>
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| #endif  // HAVE_MAD
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| 
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| #include <rd.h>
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| #include <rdconfig.h>
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| #include <rdstation.h>
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| 
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| #include "cae_server.h"
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| 
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| #ifndef HAVE_SRC_CONV
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| void src_int_to_float_array (const int *in, float *out, int len);
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| void src_float_to_int_array (const float *in, int *out, int len);
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| #endif  // HAVE_SRC_CONV
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| 
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| //
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| // Debug Options
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| //
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| //#define PRINT_COMMANDS
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| 
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| //
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| // Global CAE Definitions
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| //
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| #define RINGBUFFER_SIZE 262144
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| #define CAED_USAGE "[-d]\n\nSupplying the '-d' flag will set 'debug' mode, causing caed(8) to stay\nin the foreground and print debugging info on standard output.\n" 
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| 
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| //
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| // Function Prototypes
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| //
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| void SigHandler(int signum);
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| extern RDConfig *rd_config;
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| 
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| class MainObject : public QObject
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| {
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|   Q_OBJECT
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|  public:
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|   MainObject(QObject *parent=0,const char *name=0);
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| 
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|  private slots:
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|   void loadPlaybackData(int id,unsigned card,const QString &name);
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|   void unloadPlaybackData(int id,unsigned handle);
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|   void playPositionData(int id,unsigned handle,unsigned pos);
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|   void playData(int id,unsigned handle,unsigned length,unsigned speed,
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| 		unsigned pitch_flag);
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|   void stopPlaybackData(int id,unsigned handle);
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|   void timescalingSupportData(int id,unsigned card);
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|   void loadRecordingData(int id,unsigned card,unsigned port,unsigned coding,
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| 			unsigned channels,unsigned samprate,unsigned bitrate,
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| 			const QString &name);
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|   void unloadRecordingData(int id,unsigned card,unsigned stream);
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|   void recordData(int id,unsigned card,unsigned stream,unsigned len,
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| 		 int threshold_level);
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|   void stopRecordingData(int id,unsigned card,unsigned stream);
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|   void setInputVolumeData(int id,unsigned card,unsigned stream,int level);
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|   void setOutputVolumeData(int id,unsigned card,unsigned stream,unsigned port,
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| 			  int level);
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|   void fadeOutputVolumeData(int id,unsigned card,unsigned stream,unsigned port,
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| 			   int level,unsigned length);
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|   void setInputLevelData(int id,unsigned card,unsigned stream,int level);
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|   void setOutputLevelData(int id,unsigned card,unsigned port,int level);
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|   void setInputModeData(int id,unsigned card,unsigned stream,unsigned mode);
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|   void setOutputModeData(int id,unsigned card,unsigned stream,unsigned mode);
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|   void setInputVoxLevelData(int id,unsigned card,unsigned stream,int level);
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|   void setInputTypeData(int id,unsigned card,unsigned port,unsigned type);
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|   void getInputStatusData(int id,unsigned card,unsigned port);
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|   void setAudioPassthroughLevelData(int id,unsigned card,unsigned input,
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| 				    unsigned output,int level);
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|   void setClockSourceData(int id,unsigned card,int input);
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|   void setOutputStatusFlagData(int id,unsigned card,unsigned port,
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| 			       unsigned stream,bool state);
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|   void openRtpCaptureChannelData(int id,unsigned card,unsigned port,
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| 				 uint16_t udp_port,unsigned samprate,
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| 				 unsigned chans);
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|   void meterEnableData(int id,uint16_t udp_port,const QList<unsigned> &cards);
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|   void statePlayUpdate(int card,int stream,int state);
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|   void stateRecordUpdate(int card,int stream,int state);
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|   void updateMeters();
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|   void connectionDroppedData(int id);
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|   
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|  private:
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|   void InitProvisioning() const;
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|   void InitMixers();
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|   void KillSocket(int);
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|   bool CheckDaemon(QString);
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|   pid_t GetPid(QString pidfile);
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|   int GetNextHandle();
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|   int GetHandle(int card,int stream);
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|   void ProbeCaps(RDStation *station);
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|   void ClearDriverEntries(RDStation *station);
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|   void SendMeterLevelUpdate(const QString &type,int cardnum,int portnum,
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| 			    short levels[]);
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|   void SendStreamMeterLevelUpdate(int cardnum,int streamnum,short levels[]);
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|   void SendMeterPositionUpdate(int cardnum,unsigned pos[]);
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|   void SendMeterOutputStatusUpdate();
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|   void SendMeterOutputStatusUpdate(int card,int port,int stream);
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|   void SendMeterUpdate(const QString &msg,int conn_id);
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|   bool debug;
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|   unsigned system_sample_rate;
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|   CaeServer *cae_server;
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|   Q_INT16 tcp_port;
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|   QUdpSocket *meter_socket;
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|   RDStation::AudioDriver cae_driver[RD_MAX_CARDS];
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|   int record_owner[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int record_length[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int record_threshold[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int play_owner[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int play_length[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int play_speed[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   bool play_pitch[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   bool port_status[RD_MAX_CARDS][RD_MAX_PORTS];
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|   bool output_status_flag[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_STREAMS];
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|   struct {
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|     int card;
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|     int stream;
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|     int owner;
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|   } play_handle[256];
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|   int next_play_handle;
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|   RDStation *cae_station;
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| 
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|   //
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|   // HPI Driver
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|   //
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|  private:
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|   void hpiInit(RDStation *station);
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|   void hpiFree();
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|   QString hpiVersion();
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|   bool hpiLoadPlayback(int card,QString wavename,int *stream);
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|   bool hpiUnloadPlayback(int card,int stream);
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|   bool hpiPlaybackPosition(int card,int stream,unsigned pos);
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|   bool hpiPlay(int card,int stream,int length,int speed,bool pitch,
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| 	       bool rates);
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|   bool hpiStopPlayback(int card,int stream);
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|   bool hpiTimescaleSupported(int card);
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|   bool hpiLoadRecord(int card,int port,int coding,int chans,int samprate,
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| 		     int bitrate,QString wavename);
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|   bool hpiUnloadRecord(int card,int stream,unsigned *len);
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|   bool hpiRecord(int card,int stream,int length,int thres);
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|   bool hpiStopRecord(int card,int stream);
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|   bool hpiSetClockSource(int card,int src);
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|   bool hpiSetInputVolume(int card,int stream,int level);
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|   bool hpiSetOutputVolume(int card,int stream,int port,int level);
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|   bool hpiFadeOutputVolume(int card,int stream,int port,int level,int length);
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|   bool hpiSetInputLevel(int card,int port,int level);
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|   bool hpiSetOutputLevel(int card,int port,int level);
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|   bool hpiSetInputMode(int card,int stream,int mode);
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|   bool hpiSetOutputMode(int card,int stream,int mode);
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|   bool hpiSetInputVoxLevel(int card,int stream,int level);
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|   bool hpiSetInputType(int card,int port,int type);
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|   bool hpiGetInputStatus(int card,int port);
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|   bool hpiGetInputMeters(int card,int port,short levels[2]);
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|   bool hpiGetOutputMeters(int card,int port,short levels[2]);
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|   bool hpiGetStreamOutputMeters(int card,int stream,short levels[2]);
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|   bool hpiSetPassthroughLevel(int card,int in_port,int out_port,int level);
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|   void hpiGetOutputPosition(int card,unsigned *pos);
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| #ifdef HPI
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|   RDHPISoundCard *sound_card;
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|   RDHPIRecordStream *record[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   RDHPIPlayStream *play[RD_MAX_CARDS][RD_MAX_STREAMS];
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| #endif  // HPI
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| 
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|   //
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|   // JACK Driver
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|   //
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|  private slots:
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|   void jackStopTimerData(int stream);
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|   void jackFadeTimerData(int stream);
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|   void jackRecordTimerData(int stream);
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|   void jackClientStartData();
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| 
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|  private:
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|   void jackInit(RDStation *station);
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|   void jackFree();
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|   bool jackLoadPlayback(int card,QString wavename,int *stream);
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|   bool jackUnloadPlayback(int card,int stream);
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|   bool jackPlaybackPosition(int card,int stream,unsigned pos);
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|   bool jackPlay(int card,int stream,int length,int speed,bool pitch,
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| 	       bool rates);
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|   bool jackStopPlayback(int card,int stream);
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|   bool jackTimescaleSupported(int card);
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|   bool jackLoadRecord(int card,int port,int coding,int chans,int samprate,
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| 		     int bitrate,QString wavename);
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|   bool jackUnloadRecord(int card,int stream,unsigned *len);
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|   bool jackRecord(int card,int stream,int length,int thres);
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|   bool jackStopRecord(int card,int stream);
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|   bool jackSetInputVolume(int card,int stream,int level);
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|   bool jackSetOutputVolume(int card,int stream,int port,int level);
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|   bool jackFadeOutputVolume(int card,int stream,int port,int level,int length);
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|   bool jackSetInputLevel(int card,int port,int level);
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|   bool jackSetOutputLevel(int card,int port,int level);
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|   bool jackSetInputMode(int card,int stream,int mode);
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|   bool jackSetOutputMode(int card,int stream,int mode);
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|   bool jackSetInputVoxLevel(int card,int stream,int level);
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|   bool jackSetInputType(int card,int port,int type);
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|   bool jackGetInputStatus(int card,int port);
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|   bool jackGetInputMeters(int card,int port,short levels[2]);
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|   bool jackGetOutputMeters(int card,int port,short levels[2]);
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|   bool jackGetStreamOutputMeters(int card,int stream,short levels[2]);
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|   bool jackSetPassthroughLevel(int card,int in_port,int out_port,int level);
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|   void jackGetOutputPosition(int card,unsigned *pos);
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|   void jackConnectPorts(const QString &out,const QString &in);
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|   void jackDisconnectPorts(const QString &out,const QString &in);
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|   int GetJackOutputStream();
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|   void FreeJackOutputStream(int stream);
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|   void EmptyJackInputStream(int stream,bool done);
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| #ifdef JACK
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|   void WriteJackBuffer(int stream,jack_default_audio_sample_t *buffer,
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| 		       unsigned len,bool done);
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| #endif  // JACK
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|   void FillJackOutputStream(int stream);
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|   void JackClock();
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|   void JackSessionSetup();
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|   bool jack_connected;
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|   bool jack_activated;
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| #ifdef JACK
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|   int jack_card;
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|   QList<QProcess *> jack_clients;
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|   RDWaveFile *jack_record_wave[RD_MAX_STREAMS];
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|   RDWaveFile *jack_play_wave[RD_MAX_STREAMS];
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|   short *jack_wave_buffer;
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|   int *jack_wave32_buffer;
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|   uint8_t *jack_wave24_buffer;
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|   jack_default_audio_sample_t *jack_sample_buffer;
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|   soundtouch::SoundTouch *jack_st_conv[RD_MAX_STREAMS];
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|   short jack_input_volume_db[RD_MAX_STREAMS];
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|   short jack_output_volume_db[RD_MAX_PORTS][RD_MAX_STREAMS];
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|   short jack_passthrough_volume_db[RD_MAX_PORTS][RD_MAX_PORTS];
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|   short jack_fade_volume_db[RD_MAX_STREAMS];
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|   short jack_fade_increment[RD_MAX_STREAMS];
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|   int jack_fade_port[RD_MAX_STREAMS];
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|   bool jack_fade_up[RD_MAX_STREAMS];
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|   QTimer *jack_fade_timer[RD_MAX_STREAMS];
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|   QTimer *jack_stop_timer[RD_MAX_STREAMS];
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|   QTimer *jack_record_timer[RD_MAX_PORTS];
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|   QTimer *jack_client_start_timer;
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|   int jack_offset[RD_MAX_STREAMS];
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|   int jack_clock_phase;
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|   unsigned jack_samples_recorded[RD_MAX_STREAMS];
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| #endif  // JACK
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| 
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|   //
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|   // ALSA Driver
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|   //
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|  private slots:
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|   void alsaStopTimerData(int cardstream);
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|   void alsaFadeTimerData(int cardstream);
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|   void alsaRecordTimerData(int cardport);
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| 
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|  private:
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|   void alsaInit(RDStation *station);
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|   void alsaFree();
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|   bool alsaLoadPlayback(int card,QString wavename,int *stream);
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|   bool alsaUnloadPlayback(int card,int stream);
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|   bool alsaPlaybackPosition(int card,int stream,unsigned pos);
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|   bool alsaPlay(int card,int stream,int length,int speed,bool pitch,
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| 	       bool rates);
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|   bool alsaStopPlayback(int card,int stream);
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|   bool alsaTimescaleSupported(int card);
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|   bool alsaLoadRecord(int card,int port,int coding,int chans,int samprate,
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| 		     int bitrate,QString wavename);
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|   bool alsaUnloadRecord(int card,int stream,unsigned *len);
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|   bool alsaRecord(int card,int stream,int length,int thres);
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|   bool alsaStopRecord(int card,int stream);
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|   bool alsaSetInputVolume(int card,int stream,int level);
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|   bool alsaSetOutputVolume(int card,int stream,int port,int level);
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|   bool alsaFadeOutputVolume(int card,int stream,int port,int level,int length);
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|   bool alsaSetInputLevel(int card,int port,int level);
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|   bool alsaSetOutputLevel(int card,int port,int level);
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|   bool alsaSetInputMode(int card,int stream,int mode);
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|   bool alsaSetOutputMode(int card,int stream,int mode);
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|   bool alsaSetInputVoxLevel(int card,int stream,int level);
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|   bool alsaSetInputType(int card,int port,int type);
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|   bool alsaGetInputStatus(int card,int port);
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|   bool alsaGetInputMeters(int card,int port,short levels[2]);
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|   bool alsaGetOutputMeters(int card,int port,short levels[2]);
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|   bool alsaGetStreamOutputMeters(int card,int stream,short levels[2]);
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|   bool alsaSetPassthroughLevel(int card,int in_port,int out_port,int level);
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|   void alsaGetOutputPosition(int card,unsigned *pos);
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|   void AlsaClock();
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| #ifdef ALSA
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|   bool AlsaStartCaptureDevice(QString &dev,int card,snd_pcm_t *pcm);
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|   bool AlsaStartPlayDevice(QString &dev,int card,snd_pcm_t *pcm);
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|   void AlsaInitCallback();
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|   int GetAlsaOutputStream(int card);
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|   void FreeAlsaOutputStream(int card,int stream);
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|   void EmptyAlsaInputStream(int card,int stream);
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|   void WriteAlsaBuffer(int card,int stream,short *buffer,unsigned len);
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|   void FillAlsaOutputStream(int card,int stream);
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|   struct alsa_format alsa_play_format[RD_MAX_CARDS];
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|   struct alsa_format alsa_capture_format[RD_MAX_CARDS];
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|   short alsa_input_volume_db[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   short alsa_output_volume_db[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_STREAMS];
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|   short alsa_passthrough_volume_db[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_PORTS];
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|   short *alsa_wave_buffer;
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|   uint8_t *alsa_wave24_buffer;
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|   RDWaveFile *alsa_record_wave[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   RDWaveFile *alsa_play_wave[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int alsa_offset[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   QTimer *alsa_fade_timer[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   QTimer *alsa_stop_timer[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   QTimer *alsa_record_timer[RD_MAX_CARDS][RD_MAX_PORTS];
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|   bool alsa_fade_up[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   short alsa_fade_volume_db[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   short alsa_fade_increment[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int alsa_fade_port[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   unsigned alsa_samples_recorded[RD_MAX_CARDS][RD_MAX_STREAMS];
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| #endif  // ALSA
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| 
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|   bool CheckLame();
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|   bool CheckMp4Decode();
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| 
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|   //
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|   // TwoLAME Encoder
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|   //
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|   bool LoadTwoLame();
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|   bool InitTwoLameEncoder(int card,int stream,int chans,int samprate,
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| 			  int bitrate);
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|   void FreeTwoLameEncoder(int card,int stream);
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|   void *twolame_handle;
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| #ifdef HAVE_TWOLAME
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|   twolame_options *(*twolame_init)(void);
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|   void (*twolame_set_mode)(twolame_options *,TWOLAME_MPEG_mode);
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|   void (*twolame_set_num_channels)(twolame_options *,int);
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|   void (*twolame_set_in_samplerate)(twolame_options *,int);
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|   void (*twolame_set_out_samplerate)(twolame_options *,int);
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|   void (*twolame_set_bitrate)(twolame_options *,int);
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|   int (*twolame_init_params)(twolame_options *);
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|   void (*twolame_close)(twolame_options **);
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|   int (*twolame_encode_buffer_interleaved)(twolame_options *,const short int[],
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| 					   int,unsigned char *,int);
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|   int (*twolame_encode_buffer_float32_interleaved)
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|     (twolame_options *,const float[],int,unsigned char *,int);
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|   int (*twolame_encode_flush)(twolame_options *,unsigned char *,int);
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|   int (*twolame_set_energy_levels)(twolame_options *,int);
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|   twolame_options *twolame_lameopts[RD_MAX_CARDS][RD_MAX_STREAMS];
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| #endif  // HAVE_TWOLAME
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| 
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|   //
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|   // MAD Decoder
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|   //
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|   bool LoadMad();
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|   void InitMadDecoder(int card,int stream,RDWaveFile *wave);
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|   void FreeMadDecoder(int card,int stream);
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|   void *mad_handle;
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| #ifdef HAVE_MAD
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|   void (*mad_stream_init)(struct mad_stream *);
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|   void (*mad_frame_init)(struct mad_frame *);
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|   void (*mad_synth_init)(struct mad_synth *);
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|   void (*mad_stream_buffer)(struct mad_stream *,unsigned char const *,
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| 			    unsigned long);
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|   int (*mad_frame_decode)(struct mad_frame *, struct mad_stream *);
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|   void (*mad_synth_frame)(struct mad_synth *, struct mad_frame const *);
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|   void (*mad_frame_finish)(struct mad_frame *);
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|   void (*mad_stream_finish)(struct mad_stream *);
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|   struct mad_stream mad_stream[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   struct mad_frame mad_frame[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   struct mad_synth mad_synth[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   bool mad_active[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int mad_frame_size[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   int mad_left_over[RD_MAX_CARDS][RD_MAX_STREAMS];
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|   unsigned char *mad_mpeg[RD_MAX_CARDS][RD_MAX_STREAMS];
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| #endif  // HAVE_MAD
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| };
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| 
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| 
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| #endif  // CAE_H
 |