cinelerra/messages.h

   1 #ifndef MESSAGES_H
   2 #define MESSAGES_H
   3
   4 #include <sys/types.h>
   5 #include <sys/ipc.h>
   6 #include <sys/msg.h>
   7
   8 #define MESSAGE_TO_PLUGIN 1
   9 #define MESSAGE_FROM_PLUGIN 2
  10 #include "messages.inc"
  11
  12 class Messages
  13 {
  14 public:
  15         Messages(int input_flag, int output_flag, int id = -1);
  16         ~Messages();
  17
  18         char* get_message_buffer();
  19
  20         int read_message(char *text);
  21         char* read_message_raw();        // return the raw text in the buffer
  22         int read_message(int *command, char *text);
  23         long read_message();    // return the number contained in the message
  24         int read_message(long *value1, long *value2);
  25         int read_message(long *command, long *value1, long *value2);
  26         int read_message(long *command, long *value1, long *value2, long *value3);
  27         float read_message_f();
  28         int read_message_f(float *value1, float *value2);
  29         int read_message_f(float *value1, float *value2, float *value3);
  30         int read_message_f(float *value1, float *value2, float *value3, float *value4);
  31
  32         int write_message(char *text);
  33         int write_message_raw();                 // send the text currently in the buffer
  34         int write_message(int command, char *text);
  35         int write_message_flagged(int output_flag, int command);
  36         int write_message(int number);
  37         int write_message(long command, long value);
  38         int write_message(long command, long value1, long value2);
  39         int write_message(long command, long value1, long value2, long value3);
  40         int write_message_f(float number);
  41         int write_message_f(float value1, float value2);
  42         int write_message_f(float value1, float value2, float value3);
  43         int write_message_f(float value1, float value2, float value3, float value4);
  44         int get_id();
  45
  46         int msgid;
  47         int client;
  48         int input_flag;
  49         int output_flag;
  50         struct buffer_ {
  51                 long mtype;
  52                 char text[MESSAGESIZE];
  53         } buffer;
  54 };
  55
  56 #endif