Files
libstb-hal/libeplayer3/external/plugins/src/png.c
2023-01-26 08:44:41 +01:00

81 lines
1.9 KiB
C

/*
* Subtitle output to one registered client.
*
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* ***************************** */
/* Includes */
/* ***************************** */
#include <stdio.h>
#include <dlfcn.h>
#include "plugins/png.h"
#include "debug.h"
static void *handle;
int (*SaveRGBAImage_handle)(const char *filename, const unsigned char *data, int width, int height);
int PNGPlugin_saveRGBAImage(const char *filename, const unsigned char *data, int width, int height)
{
if (SaveRGBAImage_handle != NULL)
return SaveRGBAImage_handle(filename, data, width, height);
return -1;
}
int PNGPlugin_init(void)
{
if (NULL != handle)
return 0; /* Already initialized */
else
{
handle = dlopen("exteplayer3png.so", RTLD_LAZY);
if (handle)
{
char *error = NULL;
dlerror(); /* Clear any existing error */
*(void **)(&SaveRGBAImage_handle) = dlsym(handle, "SaveRGBAImage");
if ((error = dlerror()) != NULL)
{
dlclose(handle);
plugin_err("%s\n", error);
return -2;
}
return 0;
}
plugin_err("%s\n", dlerror());
}
return -1;
}
int PNGPlugin_term(void)
{
if (handle)
{
dlclose(handle);
handle = NULL;
SaveRGBAImage_handle = NULL;
return 0;
}
return -1;
}