audiooss.h

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#ifndef AUDIOOSS_H
#define AUDIOOSS_H

#include "audiodevice.h"
#include "condition.inc"
#include "playbackconfig.inc"

#ifdef HAVE_OSS
#include <sys/soundcard.h>

class OSSThread : public Thread
{
public:
        OSSThread(AudioOSS *device);
        ~OSSThread();
        
        void run();
        void write_data(int fd, unsigned char *data, int bytes);
        void read_data(int fd, unsigned char *data, int bytes);
// Must synchronize reads and writes
        void wait_read();
        void wait_write();
        
        Condition *input_lock;
        Condition *output_lock;
        Condition *read_lock;
        Condition *write_lock;
        int rd, wr, fd;
        unsigned char *data;
        int bytes;
        int done;
        AudioOSS *device;
};

class AudioOSS : public AudioLowLevel
{
public:
        AudioOSS(AudioDevice *device);
        ~AudioOSS();
        
        int open_input();
        int open_output();
        int open_duplex();
        int write_buffer(char *buffer, int bytes);
        int read_buffer(char *buffer, int bytes);
        int close_all();
        int64_t device_position();
        int flush_device();
        int interrupt_playback();

private:
        int get_fmt(int bits);
        int sizetofrag(int samples, int channels, int bits);
        int set_cloexec_flag(int desc, int value);
        int get_output(int number);
        int get_input(int number);
        int dsp_in[MAXDEVICES], dsp_out[MAXDEVICES], dsp_duplex[MAXDEVICES];
        OSSThread *thread[MAXDEVICES];
// Temp for each device
        unsigned char *data[MAXDEVICES];
// Bytes allocated
        int data_allocated[MAXDEVICES];
};

#endif

#endif

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