avc1394control.C

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// Based off of the dvcont test app included with libavc1394.
// (Originally written by Jason Howard [And based off of gscanbus],
// adapted to libavc1394 by Dan Dennedy <dan@dennedy.org>. Released under
// the GPL.)

#include "avc1394control.h"
#include "mutex.h"
#include "transportque.inc"

AVC1394Control::AVC1394Control()
{
        initialize();
}

void AVC1394Control::initialize()
{
        int i;

        current_command = COMMAND_NONE;
        device = -1;

        device_lock = new Mutex("AVC1394Control::device_lock");

#ifdef RAW1394_V_0_8
        handle = raw1394_get_handle();
#else
        handle = raw1394_new_handle();
#endif
//printf("AVC1394Control::initialize(): 1\n");
        if(!handle)
        {
//printf("AVC1394Control::initialize(): 2\n");
                if(!errno)
                {
//printf("AVC1394Control::initialize(): 3\n");
                        fprintf(stderr, "AVC1394Control::initialize(): Not Compatable!\n");
                } 
                else 
                {
//printf("AVC1394Control::initialize(): 4\n");
                        fprintf(stderr, "AVC1394Control::initialize(): couldn't get handle\n");
                }
                return;
        }

        if(raw1394_set_port(handle, 0) < 0) {
//printf("AVC1394Control::initialize(): 5\n");
                perror("AVC1394Control::initialize(): couldn't set port");
//              raw1394_destroy_handle(handle);
                return;
        }

        for(i = 0; i < raw1394_get_nodecount(handle); i++)
        {
                if(rom1394_get_directory(handle, i, &rom_dir) < 0)
                {
//printf("AVC1394Control::initialize(): 6\n");
                        fprintf(stderr, "AVC1394Control::initialize(): node %d\n", i);
//                      raw1394_destroy_handle(handle);
                        return;
                }
                
                if((rom1394_get_node_type(&rom_dir) == ROM1394_NODE_TYPE_AVC) &&
                        avc1394_check_subunit_type(handle, i, AVC1394_SUBUNIT_TYPE_VCR))
                {
//printf("AVC1394Control::initialize(): 7\n");
                        device = i;
                        break;
                }
        }

        if(device == -1)
        {
//printf("AVC1394Control::initialize(): 8\n");
                fprintf(stderr, "AVC1394Control::initialize(): No AV/C Devices\n");
//              raw1394_destroy_handle(handle);
                return;
        }

}

AVC1394Control::~AVC1394Control()
{
        if(handle) raw1394_destroy_handle(handle);

        if(device_lock) delete device_lock;

}

void AVC1394Control::play()
{
//printf("AVC1394Control::play(): 1\n");
        device_lock->lock("AVC1394Control::play");
        avc1394_vcr_play(handle, device);
        device_lock->unlock();
}

void AVC1394Control::stop()
{
//printf("AVC1394Control::stop(): 1\n");
        device_lock->lock("AVC1394Control::stop");
        avc1394_vcr_stop(handle, device);
        device_lock->unlock();
}

void AVC1394Control::reverse()
{
//printf("AVC1394Control::reverse(): 1\n");
        device_lock->lock("AVC1394Control::reverse");
        avc1394_vcr_reverse(handle, device);
        device_lock->unlock();
}

void AVC1394Control::rewind()
{
//printf("AVC1394Control::rewind(): 1\n");
        device_lock->lock("AVC1394Control::rewind");
        avc1394_vcr_rewind(handle, device);
        device_lock->unlock();
}

void AVC1394Control::fforward()
{
//printf("AVC1394Control::fforward(): 1\n");
        device_lock->lock("AVC1394Control::fforward");
        avc1394_vcr_forward(handle, device);
        device_lock->unlock();
}

void AVC1394Control::pause()
{
//printf("AVC1394Control::pause(): 1\n");
        device_lock->lock("AVC1394Control::pause");
        avc1394_vcr_pause(handle, device);
        device_lock->unlock();
}

void AVC1394Control::record()
{
//printf("AVC1394Control::record(): 1\n");
        device_lock->lock("AVC1394Control::record");
        avc1394_vcr_record(handle, device);
        device_lock->unlock();
}

void AVC1394Control::eject()
{
//printf("AVC1394Control::eject(): 1\n");
        device_lock->lock("AVC1394Control::eject");
        avc1394_vcr_eject(handle, device);
        device_lock->unlock();
}

void AVC1394Control::get_status()
{
//printf("AVC1394Control::get_status(): 1\n");
        device_lock->lock("Control::get_status");
        status = avc1394_vcr_status(handle, device);
        device_lock->unlock();
//      printf("Status: %s\n", avc1394_vcr_decode_status(status));
}

char *AVC1394Control::timecode()
{
        device_lock->lock("AVC1394Control::timecode");
        avc1394_vcr_get_timecode2(handle, device, text_return);
        device_lock->unlock();
        return text_return;
}

void AVC1394Control::seek(char *time)
{
//printf("AVC1394Control::seek(): 1\n");
        device_lock->lock("AVC1394Control::seek");
        avc1394_vcr_seek_timecode(handle, device, time);
        device_lock->unlock();
}

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