ecasound 2.7.2 (2010) package. ubuntu's ecasound package is only at ecasound 2.2 way back from 2003. had to modify ecacontrol.py to use subprocess module instead of deprecated popen2

ecasound-2.7.2/libecasound/audioio-oss.h

@@ -0,0 +1,88 @@
+#ifndef INCLUDED_AUDIOIO_OSS_H
+#define INCLUDED_AUDIOIO_OSS_H
+
+#include <string>
+#include <iostream>
+
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#include <unistd.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <sys/soundcard.h>
+#ifndef AFMT_S32_LE
+#define AFMT_S32_LE              0x00001000
+#endif
+
+#ifndef AFMT_S32_BE
+#define AFMT_S32_BE              0x00002000
+#endif
+
+#include "audioio-device.h"
+
+/**
+ * Class for handling Open Sound System -devices (OSS/Linux 
+ * and OSS/Lite).
+ * @author Kai Vehmanen
+ */
+class OSSDEVICE : public AUDIO_IO_DEVICE {
+
+ public:
+
+  OSSDEVICE (const std::string& name = "/dev/dsp", bool precise_sample_rates = false);
+  virtual ~OSSDEVICE(void);
+  virtual OSSDEVICE* clone(void) const;
+  virtual OSSDEVICE* new_expr(void) const { return new OSSDEVICE(); }
+
+  virtual std::string name(void) const { return("OSS soundcard device"); }
+  virtual std::string description(void) const { return("Open Sound System -devices (OSS/Linux and OSS/Free)."); }
+
+  /** @name Function reimplemented from AUDIO_IO */
+  /*@{*/
+
+  virtual int supported_io_modes(void) const { return(io_read | io_write); }
+
+  virtual void open(void) throw(AUDIO_IO::SETUP_ERROR &);
+  virtual void close(void);
+  
+  virtual long int read_samples(void* target_buffer, long int samples);
+  virtual void write_samples(void* target_buffer, long int samples);
+
+  /*@}*/
+
+  /** @name Function reimplemented from AUDIO_IO_DEVICE */
+  /*@{*/
+
+  virtual void start(void);
+  virtual void stop(void);
+
+  virtual long int delay(void) const;
+  virtual long int latency(void) const { return(buffersize()); }
+  virtual long int prefill_space(void) const { if (io_mode() != io_read) return(buffersize() * fragment_count); else return(0); }
+
+  /*@}*/
+
+ private:
+  
+  OSSDEVICE(const OSSDEVICE& x) { }
+  OSSDEVICE& operator=(const OSSDEVICE& x) { return *this; }    
+
+  int audio_fd;
+  
+  audio_buf_info audiobuf;          // soundcard.h
+  count_info audioinfo;             // soundcard.h
+  fd_set fds;
+
+  int fragment_size;
+  int fragment_count;
+  long int bytes_read;
+  int oss_caps;
+  struct timeval start_time;
+  
+  bool precise_srate_mode;
+};
+
+#endif