2014-08-12 15:13:02 -04:00

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15 KiB
C++

// cae.h
//
// The Core Audio Engine component of Rivendell
//
// (C) Copyright 2002-2004 Fred Gleason <fredg@paravelsystems.com>
//
// $Id: cae.h,v 1.79.4.4 2012/11/30 16:14:58 cvs Exp $
//
// 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 CAE_H
#define CAE_H
#include <sys/types.h>
#include <pthread.h>
#include <stdint.h>
#include <soundtouch/SoundTouch.h>
#include <qobject.h>
#include <qstring.h>
#include <qsocketdevice.h>
#include <qserversocket.h>
#include <qsignalmapper.h>
#include <qtimer.h>
#include <qprocess.h>
#include <rdwavefile.h>
#include <rdsocket.h>
#ifdef HPI
#include <rdhpisoundcard.h>
#include <rdhpiplaystream.h>
#include <rdhpirecordstream.h>
#endif // HPI
#ifdef ALSA
#include <alsa/asoundlib.h>
struct alsa_format {
int card;
pthread_t thread;
snd_pcm_t *pcm;
unsigned channels;
unsigned capture_channels;
snd_pcm_uframes_t buffer_size;
snd_pcm_format_t format;
unsigned sample_rate;
char *card_buffer;
char *passthrough_buffer;
unsigned card_buffer_size;
unsigned periods;
bool exiting;
};
#endif // ALSA
#ifdef JACK
#include <jack/jack.h>
#endif // JACK
#ifdef HAVE_TWOLAME
#include <twolame.h>
#endif // HAVE_TWOLAME
#ifdef HAVE_MAD
#include <mad.h>
#endif // HAVE_MAD
#include <rd.h>
#include <rdconfig.h>
#include <rdstation.h>
//
// Debug Options
//
//#define PRINT_COMMANDS
//
// Global CAE Definitions
//
#define RINGBUFFER_SIZE 262144
#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"
//
// Function Prototypes
//
void LogLine(RDConfig::LogPriority prio,const QString &line);
void SigHandler(int signum);
extern RDConfig *rd_config;
class MainObject : public QObject
{
Q_OBJECT
public:
MainObject(QObject *parent=0,const char *name=0);
~MainObject();
public slots:
void newConnection(int fd);
private slots:
void socketData(int);
void socketKill(int);
void statePlayUpdate(int card,int stream,int state);
void stateRecordUpdate(int card,int stream,int state);
void updateMeters();
private:
void InitMixers();
void ParseCommand(int);
void DispatchCommand(int);
void KillSocket(int);
void BroadcastCommand(const char *);
void EchoCommand(int,const char *);
void EchoArgs(int,const char);
bool CheckDaemon(QString);
pid_t GetPid(QString pidfile);
int GetNextHandle();
int GetHandle(int ch,int *card,int *stream);
int GetHandle(int card,int stream);
void ProbeCaps(RDStation *station);
void ClearDriverEntries(RDStation *station);
void SendMeterLevelUpdate(const QString &type,int cardnum,int portnum,
short levels[]);
void SendStreamMeterLevelUpdate(int cardnum,int streamnum,short levels[]);
void SendMeterPositionUpdate(int cardnum,unsigned pos[]);
void SendMeterOutputStatusUpdate();
void SendMeterOutputStatusUpdate(int card,int port,int stream);
void SendMeterUpdate(const char *msg,unsigned len);
bool debug;
unsigned system_sample_rate;
Q_INT16 tcp_port;
QServerSocket *server;
QSocketDevice *meter_socket;
RDSocket *socket[CAE_MAX_CONNECTIONS];
Q_UINT16 meter_port[CAE_MAX_CONNECTIONS];
char args[CAE_MAX_CONNECTIONS][CAE_MAX_ARGS][CAE_MAX_LENGTH];
int istate[CAE_MAX_CONNECTIONS];
int argnum[CAE_MAX_CONNECTIONS];
int argptr[CAE_MAX_CONNECTIONS];
bool auth[CAE_MAX_CONNECTIONS];
RDStation::AudioDriver cae_driver[RD_MAX_CARDS];
int record_owner[RD_MAX_CARDS][RD_MAX_STREAMS];
int record_length[RD_MAX_CARDS][RD_MAX_STREAMS];
int record_threshold[RD_MAX_CARDS][RD_MAX_STREAMS];
int play_owner[RD_MAX_CARDS][RD_MAX_STREAMS];
int play_length[RD_MAX_CARDS][RD_MAX_STREAMS];
int play_speed[RD_MAX_CARDS][RD_MAX_STREAMS];
bool play_pitch[RD_MAX_CARDS][RD_MAX_STREAMS];
bool port_status[RD_MAX_CARDS][RD_MAX_PORTS];
bool output_status_flag[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_STREAMS];
struct {
int card;
int stream;
int owner;
} play_handle[256];
int next_play_handle;
//
// HPI Driver
//
private:
void hpiInit(RDStation *station);
void hpiFree();
QString hpiVersion();
bool hpiLoadPlayback(int card,QString wavename,int *stream);
bool hpiUnloadPlayback(int card,int stream);
bool hpiPlaybackPosition(int card,int stream,unsigned pos);
bool hpiPlay(int card,int stream,int length,int speed,bool pitch,
bool rates);
bool hpiStopPlayback(int card,int stream);
bool hpiTimescaleSupported(int card);
bool hpiLoadRecord(int card,int port,int coding,int chans,int samprate,
int bitrate,QString wavename);
bool hpiUnloadRecord(int card,int stream,unsigned *len);
bool hpiRecord(int card,int stream,int length,int thres);
bool hpiStopRecord(int card,int stream);
bool hpiSetClockSource(int card,int src);
bool hpiSetInputVolume(int card,int stream,int level);
bool hpiSetOutputVolume(int card,int stream,int port,int level);
bool hpiFadeOutputVolume(int card,int stream,int port,int level,int length);
bool hpiSetInputLevel(int card,int port,int level);
bool hpiSetOutputLevel(int card,int port,int level);
bool hpiSetInputMode(int card,int stream,int mode);
bool hpiSetOutputMode(int card,int stream,int mode);
bool hpiSetInputVoxLevel(int card,int stream,int level);
bool hpiSetInputType(int card,int port,int type);
bool hpiGetInputStatus(int card,int port);
bool hpiGetInputMeters(int card,int port,short levels[2]);
bool hpiGetOutputMeters(int card,int port,short levels[2]);
bool hpiGetStreamOutputMeters(int card,int stream,short levels[2]);
bool hpiSetPassthroughLevel(int card,int in_port,int out_port,int level);
void hpiGetOutputPosition(int card,unsigned *pos);
#ifdef HPI
RDHPISoundCard *sound_card;
RDHPIRecordStream *record[RD_MAX_CARDS][RD_MAX_STREAMS];
RDHPIPlayStream *play[RD_MAX_CARDS][RD_MAX_STREAMS];
#endif // HPI
//
// JACK Driver
//
private slots:
void jackStopTimerData(int stream);
void jackFadeTimerData(int stream);
void jackRecordTimerData(int stream);
private:
void jackInit(RDStation *station);
void jackFree();
bool jackLoadPlayback(int card,QString wavename,int *stream);
bool jackUnloadPlayback(int card,int stream);
bool jackPlaybackPosition(int card,int stream,unsigned pos);
bool jackPlay(int card,int stream,int length,int speed,bool pitch,
bool rates);
bool jackStopPlayback(int card,int stream);
bool jackTimescaleSupported(int card);
bool jackLoadRecord(int card,int port,int coding,int chans,int samprate,
int bitrate,QString wavename);
bool jackUnloadRecord(int card,int stream,unsigned *len);
bool jackRecord(int card,int stream,int length,int thres);
bool jackStopRecord(int card,int stream);
bool jackSetInputVolume(int card,int stream,int level);
bool jackSetOutputVolume(int card,int stream,int port,int level);
bool jackFadeOutputVolume(int card,int stream,int port,int level,int length);
bool jackSetInputLevel(int card,int port,int level);
bool jackSetOutputLevel(int card,int port,int level);
bool jackSetInputMode(int card,int stream,int mode);
bool jackSetOutputMode(int card,int stream,int mode);
bool jackSetInputVoxLevel(int card,int stream,int level);
bool jackSetInputType(int card,int port,int type);
bool jackGetInputStatus(int card,int port);
bool jackGetInputMeters(int card,int port,short levels[2]);
bool jackGetOutputMeters(int card,int port,short levels[2]);
bool jackGetStreamOutputMeters(int card,int stream,short levels[2]);
bool jackSetPassthroughLevel(int card,int in_port,int out_port,int level);
void jackGetOutputPosition(int card,unsigned *pos);
void jackConnectPorts(const QString &out,const QString &in);
void jackDisconnectPorts(const QString &out,const QString &in);
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;
std::vector<QProcess *> jack_clients;
RDWaveFile *jack_record_wave[RD_MAX_STREAMS];
RDWaveFile *jack_play_wave[RD_MAX_STREAMS];
short *jack_wave_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];
int jack_offset[RD_MAX_STREAMS];
int jack_clock_phase;
unsigned jack_samples_recorded[RD_MAX_STREAMS];
#endif // JACK
//
// ALSA Driver
//
private slots:
void alsaStopTimerData(int cardstream);
void alsaFadeTimerData(int cardstream);
void alsaRecordTimerData(int cardport);
private:
void alsaInit(RDStation *station);
void alsaFree();
bool alsaLoadPlayback(int card,QString wavename,int *stream);
bool alsaUnloadPlayback(int card,int stream);
bool alsaPlaybackPosition(int card,int stream,unsigned pos);
bool alsaPlay(int card,int stream,int length,int speed,bool pitch,
bool rates);
bool alsaStopPlayback(int card,int stream);
bool alsaTimescaleSupported(int card);
bool alsaLoadRecord(int card,int port,int coding,int chans,int samprate,
int bitrate,QString wavename);
bool alsaUnloadRecord(int card,int stream,unsigned *len);
bool alsaRecord(int card,int stream,int length,int thres);
bool alsaStopRecord(int card,int stream);
bool alsaSetInputVolume(int card,int stream,int level);
bool alsaSetOutputVolume(int card,int stream,int port,int level);
bool alsaFadeOutputVolume(int card,int stream,int port,int level,int length);
bool alsaSetInputLevel(int card,int port,int level);
bool alsaSetOutputLevel(int card,int port,int level);
bool alsaSetInputMode(int card,int stream,int mode);
bool alsaSetOutputMode(int card,int stream,int mode);
bool alsaSetInputVoxLevel(int card,int stream,int level);
bool alsaSetInputType(int card,int port,int type);
bool alsaGetInputStatus(int card,int port);
bool alsaGetInputMeters(int card,int port,short levels[2]);
bool alsaGetOutputMeters(int card,int port,short levels[2]);
bool alsaGetStreamOutputMeters(int card,int stream,short levels[2]);
bool alsaSetPassthroughLevel(int card,int in_port,int out_port,int level);
void alsaGetOutputPosition(int card,unsigned *pos);
void AlsaClock();
#ifdef ALSA
bool AlsaStartCaptureDevice(QString &dev,int card,snd_pcm_t *pcm);
bool AlsaStartPlayDevice(QString &dev,int card,snd_pcm_t *pcm);
void AlsaInitCallback();
int GetAlsaOutputStream(int card);
void FreeAlsaOutputStream(int card,int stream);
void EmptyAlsaInputStream(int card,int stream);
void WriteAlsaBuffer(int card,int stream,short *buffer,unsigned len);
void FillAlsaOutputStream(int card,int stream);
struct alsa_format alsa_play_format[RD_MAX_CARDS];
struct alsa_format alsa_capture_format[RD_MAX_CARDS];
short alsa_input_volume_db[RD_MAX_CARDS][RD_MAX_STREAMS];
short alsa_output_volume_db[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_STREAMS];
short alsa_passthrough_volume_db[RD_MAX_CARDS][RD_MAX_PORTS][RD_MAX_PORTS];
short *alsa_wave_buffer;
RDWaveFile *alsa_record_wave[RD_MAX_CARDS][RD_MAX_STREAMS];
RDWaveFile *alsa_play_wave[RD_MAX_CARDS][RD_MAX_STREAMS];
int alsa_offset[RD_MAX_CARDS][RD_MAX_STREAMS];
QTimer *alsa_fade_timer[RD_MAX_CARDS][RD_MAX_STREAMS];
QTimer *alsa_stop_timer[RD_MAX_CARDS][RD_MAX_STREAMS];
QTimer *alsa_record_timer[RD_MAX_CARDS][RD_MAX_PORTS];
bool alsa_fade_up[RD_MAX_CARDS][RD_MAX_STREAMS];
short alsa_fade_volume_db[RD_MAX_CARDS][RD_MAX_STREAMS];
short alsa_fade_increment[RD_MAX_CARDS][RD_MAX_STREAMS];
int alsa_fade_port[RD_MAX_CARDS][RD_MAX_STREAMS];
unsigned alsa_samples_recorded[RD_MAX_CARDS][RD_MAX_STREAMS];
#endif // ALSA
bool CheckLame();
//
// TwoLAME Encoder
//
bool LoadTwoLame();
bool InitTwoLameEncoder(int card,int stream,int chans,int samprate,
int bitrate);
void FreeTwoLameEncoder(int card,int stream);
void *twolame_handle;
#ifdef HAVE_TWOLAME
twolame_options *(*twolame_init)(void);
void (*twolame_set_mode)(twolame_options *,TWOLAME_MPEG_mode);
void (*twolame_set_num_channels)(twolame_options *,int);
void (*twolame_set_in_samplerate)(twolame_options *,int);
void (*twolame_set_out_samplerate)(twolame_options *,int);
void (*twolame_set_bitrate)(twolame_options *,int);
int (*twolame_init_params)(twolame_options *);
void (*twolame_close)(twolame_options **);
int (*twolame_encode_buffer_interleaved)(twolame_options *,const short int[],
int,unsigned char *,int);
int (*twolame_encode_buffer_float32_interleaved)
(twolame_options *,const float[],int,unsigned char *,int);
int (*twolame_encode_flush)(twolame_options *,unsigned char *,int);
int (*twolame_set_energy_levels)(twolame_options *,int);
twolame_options *twolame_lameopts[RD_MAX_CARDS][RD_MAX_STREAMS];
#endif // HAVE_TWOLAME
//
// MAD Decoder
//
bool LoadMad();
void InitMadDecoder(int card,int stream,RDWaveFile *wave);
void FreeMadDecoder(int card,int stream);
void *mad_handle;
#ifdef HAVE_MAD
void (*mad_stream_init)(struct mad_stream *);
void (*mad_frame_init)(struct mad_frame *);
void (*mad_synth_init)(struct mad_synth *);
void (*mad_stream_buffer)(struct mad_stream *,unsigned char const *,
unsigned long);
int (*mad_frame_decode)(struct mad_frame *, struct mad_stream *);
void (*mad_synth_frame)(struct mad_synth *, struct mad_frame const *);
void (*mad_frame_finish)(struct mad_frame *);
void (*mad_stream_finish)(struct mad_stream *);
struct mad_stream mad_stream[RD_MAX_CARDS][RD_MAX_STREAMS];
struct mad_frame mad_frame[RD_MAX_CARDS][RD_MAX_STREAMS];
struct mad_synth mad_synth[RD_MAX_CARDS][RD_MAX_STREAMS];
bool mad_active[RD_MAX_CARDS][RD_MAX_STREAMS];
int mad_frame_size[RD_MAX_CARDS][RD_MAX_STREAMS];
int mad_left_over[RD_MAX_CARDS][RD_MAX_STREAMS];
unsigned char *mad_mpeg[RD_MAX_CARDS][RD_MAX_STREAMS];
#endif // HAVE_MAD
};
#endif // CAE_H