cinelerra-5.1/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 #ifdef HAVE_FIREWIRE
  28 #include "avc1394control.h"
  29 #include "mutex.h"
  30 #include "transportque.inc"
  31
  32 AVC1394Control::AVC1394Control()
  33 {
  34         initialize();
  35 }
  36
  37 void AVC1394Control::initialize()
  38 {
  39         int i;
  40
  41         current_command = COMMAND_NONE;
  42         device = -1;
  43
  44         device_lock = new Mutex("AVC1394Control::device_lock");
  45
  46 #ifdef RAW1394_V_0_8
  47         handle = raw1394_get_handle();
  48 #else
  49         handle = raw1394_new_handle();
  50 #endif
  51 //printf("AVC1394Control::initialize(): 1\n");
  52         if(!handle)
  53         {
  54 //printf("AVC1394Control::initialize(): 2\n");
  55                 if(!errno)
  56                 {
  57 //printf("AVC1394Control::initialize(): 3\n");
  58                         fprintf(stderr, "AVC1394Control::initialize(): Not Compatable!\n");
  59                 }
  60                 else
  61                 {
  62 //printf("AVC1394Control::initialize(): 4\n");
  63                         fprintf(stderr, "AVC1394Control::initialize(): couldn't get handle\n");
  64                 }
  65                 return;
  66         }
  67
  68         if(raw1394_set_port(handle, 0) < 0) {
  69 //printf("AVC1394Control::initialize(): 5\n");
  70                 perror("AVC1394Control::initialize(): couldn't set port");
  71 //              raw1394_destroy_handle(handle);
  72                 return;
  73         }
  74
  75         for(i = 0; i < raw1394_get_nodecount(handle); i++)
  76         {
  77                 if(rom1394_get_directory(handle, i, &rom_dir) < 0)
  78                 {
  79 //printf("AVC1394Control::initialize(): 6\n");
  80                         fprintf(stderr, "AVC1394Control::initialize(): node %d\n", i);
  81 //                      raw1394_destroy_handle(handle);
  82                         return;
  83                 }
  84
  85                 if((rom1394_get_node_type(&rom_dir) == ROM1394_NODE_TYPE_AVC) &&
  86                         avc1394_check_subunit_type(handle, i, AVC1394_SUBUNIT_TYPE_VCR))
  87                 {
  88 //printf("AVC1394Control::initialize(): 7\n");
  89                         device = i;
  90                         break;
  91                 }
  92         }
  93
  94         if(device == -1)
  95         {
  96 //printf("AVC1394Control::initialize(): 8\n");
  97                 fprintf(stderr, "AVC1394Control::initialize(): No AV/C Devices\n");
  98 //              raw1394_destroy_handle(handle);
  99                 return;
 100         }
 101
 102 }
 103
 104 AVC1394Control::~AVC1394Control()
 105 {
 106         if(handle) raw1394_destroy_handle(handle);
 107
 108         if(device_lock) delete device_lock;
 109
 110 }
 111
 112 void AVC1394Control::play()
 113 {
 114 //printf("AVC1394Control::play(): 1\n");
 115         device_lock->lock("AVC1394Control::play");
 116         avc1394_vcr_play(handle, device);
 117         device_lock->unlock();
 118 }
 119
 120 void AVC1394Control::stop()
 121 {
 122 //printf("AVC1394Control::stop(): 1\n");
 123         device_lock->lock("AVC1394Control::stop");
 124         avc1394_vcr_stop(handle, device);
 125         device_lock->unlock();
 126 }
 127
 128 void AVC1394Control::reverse()
 129 {
 130 //printf("AVC1394Control::reverse(): 1\n");
 131         device_lock->lock("AVC1394Control::reverse");
 132         avc1394_vcr_reverse(handle, device);
 133         device_lock->unlock();
 134 }
 135
 136 void AVC1394Control::rewind()
 137 {
 138 //printf("AVC1394Control::rewind(): 1\n");
 139         device_lock->lock("AVC1394Control::rewind");
 140         avc1394_vcr_rewind(handle, device);
 141         device_lock->unlock();
 142 }
 143
 144 void AVC1394Control::fforward()
 145 {
 146 //printf("AVC1394Control::fforward(): 1\n");
 147         device_lock->lock("AVC1394Control::fforward");
 148         avc1394_vcr_forward(handle, device);
 149         device_lock->unlock();
 150 }
 151
 152 void AVC1394Control::pause()
 153 {
 154 //printf("AVC1394Control::pause(): 1\n");
 155         device_lock->lock("AVC1394Control::pause");
 156         avc1394_vcr_pause(handle, device);
 157         device_lock->unlock();
 158 }
 159
 160 void AVC1394Control::record()
 161 {
 162 //printf("AVC1394Control::record(): 1\n");
 163         device_lock->lock("AVC1394Control::record");
 164         avc1394_vcr_record(handle, device);
 165         device_lock->unlock();
 166 }
 167
 168 void AVC1394Control::eject()
 169 {
 170 //printf("AVC1394Control::eject(): 1\n");
 171         device_lock->lock("AVC1394Control::eject");
 172         avc1394_vcr_eject(handle, device);
 173         device_lock->unlock();
 174 }
 175
 176 void AVC1394Control::get_status()
 177 {
 178 //printf("AVC1394Control::get_status(): 1\n");
 179         device_lock->lock("Control::get_status");
 180         status = avc1394_vcr_status(handle, device);
 181         device_lock->unlock();
 182 //      printf("Status: %s\n", avc1394_vcr_decode_status(status));
 183 }
 184
 185 char *AVC1394Control::timecode()
 186 {
 187         device_lock->lock("AVC1394Control::timecode");
 188         avc1394_vcr_get_timecode2(handle, device, text_return);
 189         device_lock->unlock();
 190         return text_return;
 191 }
 192
 193 void AVC1394Control::seek(const char *time)
 194 {
 195 //printf("AVC1394Control::seek(): 1\n");
 196         device_lock->lock("AVC1394Control::seek");
 197         // Cast to work around missing const for avc1394_vcr_seek_timecode() in
 198         // system header <libavc1394/avc1394_vcr.h>
 199         avc1394_vcr_seek_timecode(handle, device, const_cast<char*>(time));
 200         device_lock->unlock();
 201 }
 202 #endif