cinelerra-5.0/cinelerra/avc1394control.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 // Based off of the dvcont test app included with libavc1394.
  23 // (Originally written by Jason Howard [And based off of gscanbus],
  24 // adapted to libavc1394 by Dan Dennedy <dan@dennedy.org>. Released under
  25 // the GPL.)
  26
  27 #include "avc1394control.h"
  28 #include "mutex.h"
  29 #include "transportque.inc"
  30
  31 AVC1394Control::AVC1394Control()
  32 {
  33         initialize();
  34 }
  35
  36 void AVC1394Control::initialize()
  37 {
  38         int i;
  39
  40         current_command = COMMAND_NONE;
  41         device = -1;
  42
  43         device_lock = new Mutex("AVC1394Control::device_lock");
  44
  45 #ifdef RAW1394_V_0_8
  46         handle = raw1394_get_handle();
  47 #else
  48         handle = raw1394_new_handle();
  49 #endif
  50 //printf("AVC1394Control::initialize(): 1\n");
  51         if(!handle)
  52         {
  53 //printf("AVC1394Control::initialize(): 2\n");
  54                 if(!errno)
  55                 {
  56 //printf("AVC1394Control::initialize(): 3\n");
  57                         fprintf(stderr, "AVC1394Control::initialize(): Not Compatable!\n");
  58                 }
  59                 else
  60                 {
  61 //printf("AVC1394Control::initialize(): 4\n");
  62                         fprintf(stderr, "AVC1394Control::initialize(): couldn't get handle\n");
  63                 }
  64                 return;
  65         }
  66
  67         if(raw1394_set_port(handle, 0) < 0) {
  68 //printf("AVC1394Control::initialize(): 5\n");
  69                 perror("AVC1394Control::initialize(): couldn't set port");
  70 //              raw1394_destroy_handle(handle);
  71                 return;
  72         }
  73
  74         for(i = 0; i < raw1394_get_nodecount(handle); i++)
  75         {
  76                 if(rom1394_get_directory(handle, i, &rom_dir) < 0)
  77                 {
  78 //printf("AVC1394Control::initialize(): 6\n");
  79                         fprintf(stderr, "AVC1394Control::initialize(): node %d\n", i);
  80 //                      raw1394_destroy_handle(handle);
  81                         return;
  82                 }
  83
  84                 if((rom1394_get_node_type(&rom_dir) == ROM1394_NODE_TYPE_AVC) &&
  85                         avc1394_check_subunit_type(handle, i, AVC1394_SUBUNIT_TYPE_VCR))
  86                 {
  87 //printf("AVC1394Control::initialize(): 7\n");
  88                         device = i;
  89                         break;
  90                 }
  91         }
  92
  93         if(device == -1)
  94         {
  95 //printf("AVC1394Control::initialize(): 8\n");
  96                 fprintf(stderr, "AVC1394Control::initialize(): No AV/C Devices\n");
  97 //              raw1394_destroy_handle(handle);
  98                 return;
  99         }
 100
 101 }
 102
 103 AVC1394Control::~AVC1394Control()
 104 {
 105         if(handle) raw1394_destroy_handle(handle);
 106
 107         if(device_lock) delete device_lock;
 108
 109 }
 110
 111 void AVC1394Control::play()
 112 {
 113 //printf("AVC1394Control::play(): 1\n");
 114         device_lock->lock("AVC1394Control::play");
 115         avc1394_vcr_play(handle, device);
 116         device_lock->unlock();
 117 }
 118
 119 void AVC1394Control::stop()
 120 {
 121 //printf("AVC1394Control::stop(): 1\n");
 122         device_lock->lock("AVC1394Control::stop");
 123         avc1394_vcr_stop(handle, device);
 124         device_lock->unlock();
 125 }
 126
 127 void AVC1394Control::reverse()
 128 {
 129 //printf("AVC1394Control::reverse(): 1\n");
 130         device_lock->lock("AVC1394Control::reverse");
 131         avc1394_vcr_reverse(handle, device);
 132         device_lock->unlock();
 133 }
 134
 135 void AVC1394Control::rewind()
 136 {
 137 //printf("AVC1394Control::rewind(): 1\n");
 138         device_lock->lock("AVC1394Control::rewind");
 139         avc1394_vcr_rewind(handle, device);
 140         device_lock->unlock();
 141 }
 142
 143 void AVC1394Control::fforward()
 144 {
 145 //printf("AVC1394Control::fforward(): 1\n");
 146         device_lock->lock("AVC1394Control::fforward");
 147         avc1394_vcr_forward(handle, device);
 148         device_lock->unlock();
 149 }
 150
 151 void AVC1394Control::pause()
 152 {
 153 //printf("AVC1394Control::pause(): 1\n");
 154         device_lock->lock("AVC1394Control::pause");
 155         avc1394_vcr_pause(handle, device);
 156         device_lock->unlock();
 157 }
 158
 159 void AVC1394Control::record()
 160 {
 161 //printf("AVC1394Control::record(): 1\n");
 162         device_lock->lock("AVC1394Control::record");
 163         avc1394_vcr_record(handle, device);
 164         device_lock->unlock();
 165 }
 166
 167 void AVC1394Control::eject()
 168 {
 169 //printf("AVC1394Control::eject(): 1\n");
 170         device_lock->lock("AVC1394Control::eject");
 171         avc1394_vcr_eject(handle, device);
 172         device_lock->unlock();
 173 }
 174
 175 void AVC1394Control::get_status()
 176 {
 177 //printf("AVC1394Control::get_status(): 1\n");
 178         device_lock->lock("Control::get_status");
 179         status = avc1394_vcr_status(handle, device);
 180         device_lock->unlock();
 181 //      printf("Status: %s\n", avc1394_vcr_decode_status(status));
 182 }
 183
 184 char *AVC1394Control::timecode()
 185 {
 186         device_lock->lock("AVC1394Control::timecode");
 187         avc1394_vcr_get_timecode2(handle, device, text_return);
 188         device_lock->unlock();
 189         return text_return;
 190 }
 191
 192 void AVC1394Control::seek(const char *time)
 193 {
 194 //printf("AVC1394Control::seek(): 1\n");
 195         device_lock->lock("AVC1394Control::seek");
 196         avc1394_vcr_seek_timecode(handle, device, (char*)time);
 197         device_lock->unlock();
 198 }