cinelerra-5.0/cinelerra/filefork.h

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2009 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
  23 #ifndef FILEFORK_H
  24 #define FILEFORK_H
  25
  26 #include "file.inc"
  27 #include "fileserver.inc"
  28 #include "forkwrapper.h"
  29
  30 // This is an object created by File which runs in a separate process to
  31 // actually interface the data.  File functions redirect to this process.
  32 // This is to isolate file format crashes.
  33
  34
  35
  36 #ifdef USE_FILEFORK
  37 class FileFork : public ForkWrapper
  38 {
  39 public:
  40         FileFork(FileServer *server);
  41         virtual ~FileFork();
  42
  43         void init_child();
  44         int handle_command();
  45
  46 // Instance of file that does the actual work.
  47         File *file;
  48 // If this is a dummy filefork, the pointer of the real filefork in the fileserver
  49 // memory space.
  50         FileFork *real_fork;
  51         FileServer *server;
  52
  53 // Command tokens
  54         enum
  55         {
  56                 NO_COMMAND,
  57                 OPEN_FILE,
  58                 SET_PROCESSORS,
  59                 SET_PRELOAD,
  60                 SET_SUBTITLE,
  61                 SET_INTERPOLATE_RAW,
  62                 SET_WHITE_BALANCE_RAW,
  63                 CLOSE_FILE,
  64                 GET_INDEX,
  65                 START_VIDEO_THREAD,
  66                 START_AUDIO_THREAD,             // 10
  67                 START_VIDEO_DECODE_THREAD,
  68                 STOP_AUDIO_THREAD,
  69                 STOP_VIDEO_THREAD,
  70                 SET_CHANNEL,
  71                 SET_LAYER,
  72                 GET_AUDIO_LENGTH,
  73                 GET_VIDEO_LENGTH,
  74                 GET_AUDIO_POSITION,
  75                 GET_VIDEO_POSITION,
  76                 SET_AUDIO_POSITION,             // 20
  77                 SET_VIDEO_POSITION,
  78                 WRITE_SAMPLES,
  79                 WRITE_FRAMES,
  80                 WRITE_AUDIO_BUFFER,
  81                 WRITE_VIDEO_BUFFER,
  82                 GET_AUDIO_BUFFER,
  83                 GET_VIDEO_BUFFER,
  84                 READ_SAMPLES,
  85                 READ_COMPRESSED_FRAME,
  86                 COMPRESSED_FRAME_SIZE,          // 30
  87                 READ_FRAME,
  88                 CAN_COPY_FROM,
  89                 COLORMODEL_SUPPORTED,
  90                 FILE_MEMORY_USAGE,
  91                 SET_PROGRAM,
  92                 GET_CELL_TIME,
  93                 GET_STT_TIME,
  94                 GET_AUDIO4VIDEO,
  95                 GET_VIDEO_PID,
  96                 GET_VIDEO_INFO,                 // 40
  97                 SELECT_VIDEO_STREAM,
  98                 SELECT_AUDIO_STREAM,
  99         };
 100 };
 101
 102 #endif // USE_FILEFORK
 103
 104
 105 #endif
 106
 107
 108