hvirtual/cinelerra/iec61883output.h

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#ifndef IEC61883OUTPUT_H
#define IEC61883OUTPUT_H



#ifdef HAVE_FIREWIRE

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

// Common 1394 output for audio and video

// This runs continuously to keep the VTR warm.
// Takes encoded DV frames and PCM audio.
class IEC61883Output : public Thread
{
public:
        IEC61883Output(VideoDevice *vdevice);
        IEC61883Output(AudioDevice *adevice);
        ~IEC61883Output();

        void reset();
        int open(int port,
                int channel,
                int length,
                int channels, 
                int bits, 
                int samplerate,
                int syt);
        void start();
        void run();


// Write frame with timed blocking.

        void write_frame(VFrame *input);


// Write audio with timed blocking.

        void write_samples(char *data, int samples);
        long get_audio_position();
        void interrupt();
        void flush();



        void increment_counter(int *counter);
        void decrement_counter(int *counter);
        int read_frame(unsigned char *data, int n, unsigned int dropped);


        char **buffer;
        int *buffer_size;
        int *buffer_valid;

        int total_buffers;
        int current_inbuffer;
        int current_outbuffer;

        char *audio_buffer;
        int audio_samples;
// Encoder for audio frames
        dv_t *encoder;

        Mutex *buffer_lock;
// Block while waiting for the first buffer to be allocated
        Condition *start_lock;
        Mutex *position_lock;

// Provide timed blocking for writing routines.

        Condition *video_lock;
        Condition *audio_lock;
        int done;


// Output
        int fd;
        raw1394handle_t handle;
        iec61883_dv_t frame;
// Must break up each frame into 480 byte chunks again.
        char *out_buffer;
        int out_size;
        int out_position;


        
        
        
        VFrame *temp_frame, *temp_frame2;
// Encoder for making DV frames
        dv_t *audio_encoder;
        dv_t *video_encoder;
        unsigned char *output_buffer;
        int output_number;
    unsigned int packet_sizes[321];
    unsigned char  continuity_counter;
    int unused_buffers;
        int avc_id;
        int channels;
        int samplerate;
        int bits;
        int syt;
        long audio_position;
        int interrupted;
        int have_video;
        int is_pal;
        VideoDevice *vdevice;
        AudioDevice *adevice;



};




#endif





#endif

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