iec61883input.h

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#ifndef IEC61883INPUT_H
#define IEC61883INPUT_H



#ifdef HAVE_FIREWIRE

#include "condition.inc"
#include <libiec61883/iec61883.h>
#include "libdv.h"
#include "mutex.inc"
#include "thread.h"
#include "vframe.inc"

// Common 1394 input for audio and video

// Extracts video and audio from the single DV stream
class IEC61883Input : public Thread
{
public:
        IEC61883Input();
        ~IEC61883Input();

        int open(int port,
                int channel,
                int length,
                int channels,
                int samplerate,
                int bits,
                int w,
                int h);
        void run();
        void increment_counter(int *counter);
        void decrement_counter(int *counter);

// Read a video frame with timed blocking

        int read_video(VFrame *data);


// Read audio with timed blocking

        int read_audio(char *data, int samples);


        int write_frame(unsigned char *data, int len, int complete);

        raw1394handle_t handle;
        iec61883_dv_fb_t frame;
        int fd;









// Storage of all frames
        char **buffer;
        int *buffer_valid;
        int buffer_size;
        int total_buffers;
        int current_inbuffer;

// For extracting audio
        dv_t *decoder;

// Storage of audio data
        char *audio_buffer;
        int audio_samples;

// number of next video buffer to read
        int current_outbuffer;
        unsigned char *input_buffer;

        Mutex *buffer_lock;
        Condition *video_lock;
        Condition *audio_lock;
        int done;

        int port;
        int channel;
        int length;
        int channels;
        int samplerate;
        int bits;
        int w;
        int h;
        int is_pal;
};





#endif



#endif

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