cinelerra/vdevice1394.C

   1 #include "assets.h"
   2 #include "audio1394.h"
   3 #include "audioconfig.h"
   4 #include "audiodevice.h"
   5 #include "device1394input.h"
   6 #include "device1394output.h"
   7 #include "iec61883input.h"
   8 #include "iec61883output.h"
   9 #include "file.inc"
  10 #include "preferences.h"
  11 #include "recordconfig.h"
  12 #include "vdevice1394.h"
  13 #include "vframe.h"
  14 #include "playbackconfig.h"
  15 #include "videodevice.h"
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26 VDevice1394::VDevice1394(VideoDevice *device)
  27  : VDeviceBase(device)
  28 {
  29         initialize();
  30 }
  31
  32 VDevice1394::~VDevice1394()
  33 {
  34         close_all();
  35 }
  36
  37 int VDevice1394::initialize()
  38 {
  39         input_thread = 0;
  40         output_thread = 0;
  41         input_iec = 0;
  42         output_iec = 0;
  43         user_frame = 0;
  44 }
  45
  46 int VDevice1394::open_input()
  47 {
  48 // Share audio driver.  The audio driver does the capturing in this case
  49 // and fills video frames for us.
  50         int result = 0;
  51         if(device->adevice &&
  52                 (device->adevice->in_config->driver == AUDIO_1394 ||
  53                         device->adevice->in_config->driver == AUDIO_DV1394 ||
  54                         device->adevice->in_config->driver == AUDIO_IEC61883))
  55         {
  56                 Audio1394 *low_level = (Audio1394*)device->adevice->get_lowlevel_in();
  57                 input_thread = low_level->input_thread;
  58                 input_iec = low_level->input_iec;
  59                 device->sharing = 1;
  60         }
  61         else
  62         if(!input_thread && !input_iec)
  63         {
  64                 if(device->in_config->driver == CAPTURE_FIREWIRE)
  65                 {
  66                         input_thread = new Device1394Input;
  67                         result = input_thread->open(device->in_config->firewire_path,
  68                                 device->in_config->firewire_port,
  69                                 device->in_config->firewire_channel,
  70                                 device->in_config->capture_length,
  71                                 2,
  72                                 48000,
  73                                 16,
  74                                 device->in_config->w,
  75                                 device->in_config->h);
  76                         if(result)
  77                         {
  78                                 delete input_thread;
  79                                 input_thread = 0;
  80                         }
  81                 }
  82                 else
  83                 {
  84                         input_iec = new IEC61883Input;
  85                         result = input_iec->open(device->in_config->firewire_port,
  86                                 device->in_config->firewire_channel,
  87                                 device->in_config->capture_length,
  88                                 2,
  89                                 48000,
  90                                 16,
  91                                 device->in_config->w,
  92                                 device->in_config->h);
  93                         if(result)
  94                         {
  95                                 delete input_iec;
  96                                 input_iec = 0;
  97                         }
  98                 }
  99         }
 100         return result;
 101 }
 102
 103 int VDevice1394::open_output()
 104 {
 105 // Share audio driver.  The audio driver takes DV frames from us and
 106 // inserts audio.
 107         if(device->adevice &&
 108                 (device->adevice->out_config->driver == AUDIO_1394 ||
 109                         device->adevice->out_config->driver == AUDIO_DV1394 ||
 110                         device->adevice->out_config->driver == AUDIO_IEC61883))
 111         {
 112                 Audio1394 *low_level = (Audio1394*)device->adevice->get_lowlevel_out();
 113                 output_thread = low_level->output_thread;
 114                 output_iec = low_level->output_iec;
 115                 device->sharing = 1;
 116         }
 117         else
 118         if(!output_thread && !output_iec)
 119         {
 120                 if(device->out_config->driver == PLAYBACK_DV1394)
 121                 {
 122                         output_thread = new Device1394Output(device);
 123                         output_thread->open(device->out_config->dv1394_path,
 124                                 device->out_config->dv1394_port,
 125                                 device->out_config->dv1394_channel,
 126                                 30,
 127                                 2,
 128                                 16,
 129                                 48000,
 130                                 device->out_config->dv1394_syt);
 131                 }
 132                 else
 133                 if(device->out_config->driver == PLAYBACK_FIREWIRE)
 134                 {
 135                         output_thread = new Device1394Output(device);
 136                         output_thread->open(device->out_config->firewire_path,
 137                                 device->out_config->firewire_port,
 138                                 device->out_config->firewire_channel,
 139                                 30,
 140                                 2,
 141                                 16,
 142                                 48000,
 143                                 device->out_config->firewire_syt);
 144                 }
 145                 else
 146                 {
 147                         output_iec = new IEC61883Output(device);
 148                         output_iec->open(device->out_config->firewire_port,
 149                                 device->out_config->firewire_channel,
 150                                 30,
 151                                 2,
 152                                 16,
 153                                 48000,
 154                                 device->out_config->firewire_syt);
 155                 }
 156         }
 157
 158         return 0;
 159 }
 160
 161 int VDevice1394::close_all()
 162 {
 163         if(device->sharing)
 164         {
 165                 input_thread = 0;
 166                 output_thread = 0;
 167                 output_iec = 0;
 168                 input_iec = 0;
 169                 device->sharing = 0;
 170         }
 171         else
 172         {
 173                 if(input_thread)
 174                 {
 175                         delete input_thread;
 176                         input_thread = 0;
 177                 }
 178                 if(output_thread)
 179                 {
 180                         delete output_thread;
 181                         output_thread = 0;
 182                 }
 183                 if(input_iec)
 184                 {
 185                         delete input_iec;
 186                         input_iec = 0;
 187                 }
 188                 if(output_iec)
 189                 {
 190                         delete output_iec;
 191                         output_iec = 0;
 192                 }
 193         }
 194         if(user_frame) delete user_frame;
 195         initialize();
 196         return 0;
 197 }
 198
 199
 200 int VDevice1394::read_buffer(VFrame *frame)
 201 {
 202         unsigned char *data;
 203         long size = 0;
 204         int result = 0;
 205         if(!input_thread && !input_iec) return 1;
 206
 207         if(input_thread) input_thread->read_video(frame);
 208         else
 209         if(input_iec) input_iec->read_video(frame);
 210
 211         return result;
 212 }
 213
 214
 215 void VDevice1394::new_output_buffer(VFrame **output,
 216         int colormodel)
 217 {
 218         if(user_frame)
 219         {
 220                 if(colormodel != user_frame->get_color_model())
 221                 {
 222                         delete user_frame;
 223                         user_frame = 0;
 224                 }
 225         }
 226
 227         if(!user_frame)
 228         {
 229                 switch(colormodel)
 230                 {
 231                         case BC_COMPRESSED:
 232                                 user_frame = new VFrame;
 233                                 break;
 234                         default:
 235                                 user_frame = new VFrame(0,
 236                                         device->out_w,
 237                                         device->out_h,
 238                                         colormodel,
 239                                         -1);
 240                                 break;
 241                 }
 242         }
 243         user_frame->set_shm_offset(0);
 244         *output = user_frame;
 245 }
 246
 247 int VDevice1394::write_buffer(VFrame *frame, EDL *edl)
 248 {
 249         if(output_thread) output_thread->write_frame(frame);
 250         else
 251         if(output_iec) output_iec->write_frame(frame);
 252         return 0;
 253 }
 254
 255
 256
 257
 258 int VDevice1394::can_copy_from(Asset_GC asset, int output_w, int output_h)
 259 {
 260         return 0;
 261 }
 262 /*
 263 //      Local Variables:
 264 //      mode: C++
 265 //      c-file-style: "linux"
 266 //      End:
 267 */