mirror of
https://github.com/ElvishArtisan/rivendell.git
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418 lines
15 KiB
C++
418 lines
15 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 2002-2015 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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#ifndef CAE_H
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#define CAE_H
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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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#include <soundtouch/SoundTouch.h>
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#include <qobject.h>
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#include <qstring.h>
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#include <qsocketdevice.h>
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#include <qserversocket.h>
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#include <qsignalmapper.h>
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#include <qtimer.h>
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#include <qprocess.h>
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#include <rdwavefile.h>
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#include <rdsocket.h>
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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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#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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#ifdef JACK
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#include <jack/jack.h>
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#endif // JACK
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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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#include <rd.h>
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#include <rdconfig.h>
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#include <rdstation.h>
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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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// Debug Options
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//
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//#define PRINT_COMMANDS
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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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// Function Prototypes
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//
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void LogLine(RDConfig::LogPriority prio,const QString &line);
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void SigHandler(int signum);
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extern RDConfig *rd_config;
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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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~MainObject();
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public slots:
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void newConnection(int fd);
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private slots:
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void socketData(int);
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void socketKill(int);
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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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private:
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void InitMixers();
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void ParseCommand(int);
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void DispatchCommand(int);
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void KillSocket(int);
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void BroadcastCommand(const char *);
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void EchoCommand(int,const char *);
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void EchoArgs(int,const char);
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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 ch,int *card,int *stream);
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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 char *msg,unsigned len);
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bool debug;
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unsigned system_sample_rate;
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Q_INT16 tcp_port;
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QServerSocket *server;
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QSocketDevice *meter_socket;
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RDSocket *socket[CAE_MAX_CONNECTIONS];
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Q_UINT16 meter_port[CAE_MAX_CONNECTIONS];
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char args[CAE_MAX_CONNECTIONS][CAE_MAX_ARGS][CAE_MAX_LENGTH];
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int istate[CAE_MAX_CONNECTIONS];
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int argnum[CAE_MAX_CONNECTIONS];
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int argptr[CAE_MAX_CONNECTIONS];
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bool auth[CAE_MAX_CONNECTIONS];
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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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//
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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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// 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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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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std::vector<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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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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// 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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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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bool CheckLame();
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bool CheckMp4Decode();
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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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// 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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#endif // CAE_H
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