Rivendellaudio/rdhpi/rdhpirecordstream.h
Fred Gleason 25e9d6fb28 2018-03-17 Fred Gleason <fredg@paravelsystems.com>
* Added support for DMA bus-mastering to the HPI driver.
2018-03-17 16:55:49 -04:00

137 lines
3.3 KiB
C++

// rdhpirecordstream.h
//
// A class for recording Microsoft WAV files.
//
// (C) Copyright 2002-2015 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//
#ifndef RDHPIRECORDSTREAM_H
#define RDHPIRECORDSTREAM_H
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <qobject.h>
#include <qwidget.h>
#include <qstring.h>
#include <qdatetime.h>
#include <qtimer.h>
#include <rdwavefile.h>
#include <rdhpisoundcard.h>
#define DEBUG_VAR "_RDHPIRECORDSTREAM"
#define XRUN_VAR "_RSOUND_XRUN"
#include <asihpi/hpi.h>
#ifndef HPI_VER
#include <asihpi/hpi_version.h>
#endif
#define AUDIO_SIZE 32768
#define RDHPIRECORDSTREAM_CLOCK_INTERVAL 100
class RDHPIRecordStream : public QObject,public RDWaveFile
{
Q_OBJECT
public:
enum RecordState {Recording=0,RecordReady=1,Paused=2,Stopped=3,
RecordStarted=4};
enum Error {Ok=0,NoFile=1,NoStream=2,AlreadyOpen=3};
RDHPIRecordStream(RDHPISoundCard *card,QWidget *parent=0);
~RDHPIRecordStream();
QString errorString(RDHPIRecordStream::Error err);
RDHPIRecordStream::Error createWave();
void closeWave();
RDHPIRecordStream::Error createWave(QString filename);
bool formatSupported(RDWaveFile::Format format);
bool formatSupported();
int getCard() const;
int getStream() const;
bool haveInputVOX() const;
RDHPIRecordStream::RecordState getState();
int getPosition() const;
unsigned samplesRecorded() const;
signals:
void isStopped(bool state);
void ready();
void recording();
void recordStart();
void paused();
void stopped();
void position(int samples);
void stateChanged(int card,int stream,int state);
public slots:
void setCard(int card);
void setStream(int stream);
bool recordReady();
void record();
void pause();
void stop();
void setInputVOX(int gain);
void setRecordLength(int length);
private slots:
void tickClock();
private:
bool GetStream();
void FreeStream();
hpi_err_t LogHpi(hpi_err_t err,int lineno);
RDHPISoundCard *sound_card;
bool debug;
bool xrun;
QTimer *clock;
uint32_t card_index[HPI_MAX_ADAPTERS];
int card_number;
int stream_number;
bool is_recording;
bool is_ready;
bool is_paused;
bool stopping;
bool record_started;
QTimer *length_timer;
int record_length;
unsigned audio_ptr;
unsigned char abuf[AUDIO_SIZE];
unsigned left_to_write;
hpi_handle_t hpi_stream;
uint16_t state;
uint32_t buffer_size;
uint32_t data_recorded;
uint32_t samples_recorded;
uint32_t reserved;
uint32_t fragment_size;
int fragment_time;
uint8_t *pdata;
#if HPI_VER < 0x030a00
HPI_FORMAT format;
#else
struct hpi_format format;
#endif
#if HPI_VER < 0x00030500
HPI_DATA hpi_data;
#endif
bool is_open;
uint32_t dma_buffer_size;
};
#endif // RDHPIRECORDSTREAM_H