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/*****************************************************************
* gmerlin - a general purpose multimedia framework and applications
*
* Copyright (c) 2001 - 2024 Members of the Gmerlin project
* http://github.com/bplaum
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <gmerlin/parameter.h>
#include <gmerlin/streaminfo.h>
#include <gmerlin/msgqueue.h>
#include <gavl/gavl.h>
#define BUFFER_SIZE 1024
#define MSG_QUIT 0
#define MSG_VOID 1
#define MSG_INT 2
#define MSG_STRING 3
#define MSG_FLOAT 4
static void * thread1_func(void * data)
{
// int keep_going = 1;
gavl_msg_t * msg;
bg_msg_queue_t * queue;
const char * str;
queue = (bg_msg_queue_t *)data;
while((msg = bg_msg_queue_try_lock_read(queue)))
{
switch(gavl_msg_get_id(msg))
{
case MSG_QUIT:
fprintf(stderr, "Got message quit\n");
// keep_going = 0;
break;
case MSG_VOID:
fprintf(stderr, "Got message void\n");
break;
case MSG_INT:
fprintf(stderr, "Got message int %d\n", gavl_msg_get_arg_int(msg, 0));
break;
case MSG_STRING:
str = gavl_msg_get_arg_string_c(msg, 0);
fprintf(stderr, "Got message string %s\n", str);
break;
case MSG_FLOAT:
fprintf(stderr, "Got message float %f\n", gavl_msg_get_arg_float(msg, 0));
break;
}
bg_msg_queue_unlock_read(queue);
}
return NULL;
}
static int read_message(bg_msg_queue_t * q)
{
int num_messages;
int id;
int val_i;
float val_f;
char val_str[BUFFER_SIZE];
gavl_msg_t * msg;
int i;
printf("Enter ID [0-4]: ");
scanf("%d", &id);
num_messages = 1;
switch(id)
{
case MSG_QUIT:
break;
case MSG_VOID:
break;
case MSG_INT:
printf("Enter Integer: ");
scanf("%d", &val_i);
num_messages = 10;
break;
case MSG_STRING:
printf("Enter String: ");
fgets(val_str, BUFFER_SIZE, stdin);
break;
case MSG_FLOAT:
printf("Enter float: ");
scanf("%f", &val_f);
break;
}
for(i = 0; i < num_messages; i++)
{
msg = bg_msg_queue_lock_write(q);
gavl_msg_set_id(msg, id);
switch(id)
{
case MSG_QUIT:
case MSG_VOID:
break;
case MSG_INT:
gavl_msg_set_arg_int(msg, 0, val_i);
break;
case MSG_STRING:
gavl_msg_set_arg_string(msg, 0, val_str);
break;
case MSG_FLOAT:
gavl_msg_set_arg_float(msg, 0, val_f);
break;
}
bg_msg_queue_unlock_write(q);
}
if(id == MSG_QUIT)
return 0;
return 1;
}
int main(int argc, char ** argv)
{
pthread_t read_thread;
bg_msg_queue_t * queue;
queue = bg_msg_queue_create();
pthread_create(&read_thread,
NULL,
thread1_func, queue);
while(1)
{
if(!read_message( queue))
break;
}
pthread_join(read_thread,NULL);
return 0;
}
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