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			137 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//   rdhpirecordstream.h
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//
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//   A class for recording Microsoft WAV files.
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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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//
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#ifndef RDHPIRECORDSTREAM_H
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#define RDHPIRECORDSTREAM_H
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <qobject.h>
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#include <qwidget.h>
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#include <qstring.h>
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#include <qdatetime.h>
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#include <qtimer.h>
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#include <rdwavefile.h>
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#include <rdhpisoundcard.h>
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#define DEBUG_VAR "_RDHPIRECORDSTREAM"
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#define XRUN_VAR "_RSOUND_XRUN"
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#include <asihpi/hpi.h>
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#ifndef HPI_VER
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#include <asihpi/hpi_version.h>
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#endif
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#define AUDIO_SIZE 32768
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#define RDHPIRECORDSTREAM_CLOCK_INTERVAL 100
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class RDHPIRecordStream : public QObject,public RDWaveFile
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{
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  Q_OBJECT
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 public:
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  enum RecordState {Recording=0,RecordReady=1,Paused=2,Stopped=3,
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		    RecordStarted=4};
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  enum Error {Ok=0,NoFile=1,NoStream=2,AlreadyOpen=3};
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  RDHPIRecordStream(RDHPISoundCard *card,QWidget *parent=0);
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  ~RDHPIRecordStream();
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  QString errorString(RDHPIRecordStream::Error err);
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  RDHPIRecordStream::Error createWave();
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  void closeWave();
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  RDHPIRecordStream::Error createWave(QString filename);
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  bool formatSupported(RDWaveFile::Format format);
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  bool formatSupported();
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  int getCard() const;
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  int getStream() const;
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  bool haveInputVOX() const;
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  RDHPIRecordStream::RecordState getState();
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  int getPosition() const;
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  unsigned samplesRecorded() const;
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 signals:
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  void isStopped(bool state);
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  void ready();
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  void recording();
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  void recordStart();
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  void paused();
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  void stopped();
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  void position(int samples);
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  void stateChanged(int card,int stream,int state);
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 public slots:
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  void setCard(int card);
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  void setStream(int stream);
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  bool recordReady();
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  void record();
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  void pause();
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  void stop();
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  void setInputVOX(int gain);
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  void setRecordLength(int length);
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 private slots:
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  void tickClock();
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 private:
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  bool GetStream();
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  void FreeStream();
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  hpi_err_t LogHpi(hpi_err_t err,int lineno);
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  RDHPISoundCard *sound_card;
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  bool debug;
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  bool xrun;
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  QTimer *clock;
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  uint32_t card_index[HPI_MAX_ADAPTERS];
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  int card_number;
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  int stream_number;
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  bool is_recording;
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  bool is_ready;
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  bool is_paused;
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  bool stopping;
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  bool record_started;
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  QTimer *length_timer;
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  int record_length;
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  unsigned audio_ptr;
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  unsigned char abuf[AUDIO_SIZE];
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  unsigned left_to_write;
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  hpi_handle_t hpi_stream;
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  uint16_t state;
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  uint32_t buffer_size;
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  uint32_t data_recorded;
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  uint32_t samples_recorded;
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  uint32_t reserved;
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  uint32_t fragment_size;
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  int fragment_time;
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  uint8_t *pdata;
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#if HPI_VER < 0x030a00
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  HPI_FORMAT format;
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#else
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  struct hpi_format format;
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#endif
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#if HPI_VER < 0x00030500
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  HPI_DATA hpi_data;
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#endif
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  bool is_open;
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  uint32_t dma_buffer_size;
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};
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#endif  // RDHPIRECORDSTREAM_H
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