hvirtual/cinelerra/avc1394control.C

   1 // Based off of the dvcont test app included with libavc1394.
   2 // (Originally written by Jason Howard [And based off of gscanbus],
   3 // adapted to libavc1394 by Dan Dennedy <dan@dennedy.org>. Released under
   4 // the GPL.)
   5
   6 #include "avc1394control.h"
   7 #include "mutex.h"
   8 #include "transportque.inc"
   9
  10 AVC1394Control::AVC1394Control()
  11 {
  12         initialize();
  13 }
  14
  15 void AVC1394Control::initialize()
  16 {
  17         int i;
  18
  19         current_command = COMMAND_NONE;
  20         device = -1;
  21
  22         device_lock = new Mutex;
  23
  24 #ifdef RAW1394_V_0_8
  25         handle = raw1394_get_handle();
  26 #else
  27         handle = raw1394_new_handle();
  28 #endif
  29 //printf("AVC1394Control::initialize(): 1\n");
  30         if(!handle)
  31         {
  32 //printf("AVC1394Control::initialize(): 2\n");
  33                 if(!errno)
  34                 {
  35 //printf("AVC1394Control::initialize(): 3\n");
  36                         fprintf(stderr, "AVC1394Control::initialize(): Not Compatable!\n");
  37                 }
  38                 else
  39                 {
  40 //printf("AVC1394Control::initialize(): 4\n");
  41                         fprintf(stderr, "AVC1394Control::initialize(): couldn't get handle\n");
  42                 }
  43                 return;
  44         }
  45
  46         if(raw1394_set_port(handle, 0) < 0) {
  47 //printf("AVC1394Control::initialize(): 5\n");
  48                 perror("AVC1394Control::initialize(): couldn't set port");
  49 //              raw1394_destroy_handle(handle);
  50                 return;
  51         }
  52
  53         for(i = 0; i < raw1394_get_nodecount(handle); i++)
  54         {
  55                 if(rom1394_get_directory(handle, i, &rom_dir) < 0)
  56                 {
  57 //printf("AVC1394Control::initialize(): 6\n");
  58                         fprintf(stderr, "AVC1394Control::initialize(): node %d\n", i);
  59 //                      raw1394_destroy_handle(handle);
  60                         return;
  61                 }
  62
  63                 if((rom1394_get_node_type(&rom_dir) == ROM1394_NODE_TYPE_AVC) &&
  64                         avc1394_check_subunit_type(handle, i, AVC1394_SUBUNIT_TYPE_VCR))
  65                 {
  66 //printf("AVC1394Control::initialize(): 7\n");
  67                         device = i;
  68                         break;
  69                 }
  70         }
  71
  72         if(device == -1)
  73         {
  74 //printf("AVC1394Control::initialize(): 8\n");
  75                 fprintf(stderr, "AVC1394Control::initialize(): No AV/C Devices\n");
  76 //              raw1394_destroy_handle(handle);
  77                 return;
  78         }
  79
  80 }
  81
  82 AVC1394Control::~AVC1394Control()
  83 {
  84         if(handle) raw1394_destroy_handle(handle);
  85
  86         if(device_lock) delete device_lock;
  87
  88 }
  89
  90 void AVC1394Control::play()
  91 {
  92 //printf("AVC1394Control::play(): 1\n");
  93         device_lock->lock();
  94         avc1394_vcr_play(handle, device);
  95         device_lock->unlock();
  96 }
  97
  98 void AVC1394Control::stop()
  99 {
 100 //printf("AVC1394Control::stop(): 1\n");
 101         device_lock->lock();
 102         avc1394_vcr_stop(handle, device);
 103         device_lock->unlock();
 104 }
 105
 106 void AVC1394Control::reverse()
 107 {
 108 //printf("AVC1394Control::reverse(): 1\n");
 109         device_lock->lock();
 110         avc1394_vcr_reverse(handle, device);
 111         device_lock->unlock();
 112 }
 113
 114 void AVC1394Control::rewind()
 115 {
 116 //printf("AVC1394Control::rewind(): 1\n");
 117         device_lock->lock();
 118         avc1394_vcr_rewind(handle, device);
 119         device_lock->unlock();
 120 }
 121
 122 void AVC1394Control::fforward()
 123 {
 124 //printf("AVC1394Control::fforward(): 1\n");
 125         device_lock->lock();
 126         avc1394_vcr_forward(handle, device);
 127         device_lock->unlock();
 128 }
 129
 130 void AVC1394Control::pause()
 131 {
 132 //printf("AVC1394Control::pause(): 1\n");
 133         device_lock->lock();
 134         avc1394_vcr_pause(handle, device);
 135         device_lock->unlock();
 136 }
 137
 138 void AVC1394Control::record()
 139 {
 140 //printf("AVC1394Control::record(): 1\n");
 141         device_lock->lock();
 142         avc1394_vcr_record(handle, device);
 143         device_lock->unlock();
 144 }
 145
 146 void AVC1394Control::eject()
 147 {
 148 //printf("AVC1394Control::eject(): 1\n");
 149         device_lock->lock();
 150         avc1394_vcr_eject(handle, device);
 151         device_lock->unlock();
 152 }
 153
 154 void AVC1394Control::get_status()
 155 {
 156 //printf("AVC1394Control::get_status(): 1\n");
 157         device_lock->lock();
 158         status = avc1394_vcr_status(handle, device);
 159         device_lock->unlock();
 160 //      printf("Status: %s\n", avc1394_vcr_decode_status(status));
 161 }
 162
 163 char *AVC1394Control::timecode()
 164 {
 165 //printf("AVC1394Control::timecode(): 1\n");
 166         char *text;
 167         text = (char *) malloc(12);
 168         device_lock->lock();
 169         text = avc1394_vcr_get_timecode(handle, device);
 170         device_lock->unlock();
 171         return text;
 172 }
 173
 174 void AVC1394Control::seek(char *time)
 175 {
 176 //printf("AVC1394Control::seek(): 1\n");
 177         device_lock->lock();
 178         avc1394_vcr_seek_timecode(handle, device, time);
 179         device_lock->unlock();
 180 }