1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#include "../include/vaapi.h"
#include "../include/library_loader.h"
#include <string.h>
bool gsr_vaapi_load(gsr_vaapi *self) {
memset(self, 0, sizeof(gsr_vaapi));
dlerror(); /* clear */
void *lib = dlopen("libva.so.2", RTLD_LAZY);
if(!lib) {
fprintf(stderr, "gsr error: gsr_vaapi_load failed: failed to load libva.so, error: %s\n", dlerror());
return false;
}
dlsym_assign required_dlsym[] = {
{ (void**)&self->vaExportSurfaceHandle, "vaExportSurfaceHandle" },
{ (void**)&self->vaSyncSurface, "vaSyncSurface" },
{ NULL, NULL }
};
if(!dlsym_load_list(lib, required_dlsym)) {
fprintf(stderr, "gsr error: gsr_vaapi_load failed: missing required symbols in libva.so\n");
goto fail;
}
self->library = lib;
return true;
fail:
dlclose(lib);
memset(self, 0, sizeof(gsr_vaapi));
return false;
}
void gsr_vaapi_unload(gsr_vaapi *self) {
if(self->library) {
dlclose(self->library);
memset(self, 0, sizeof(gsr_vaapi));
}
}
|