Reduce MAX_FRAMES for RK backend

See b1d111b5f7 (r146373202)

libgamestream/http.c

@@ -51,10 +51,10 @@ int http_init(const char* keyDirectory, int logLevel) {
     return GS_FAILED;
 
   char certificateFilePath[4096];
-  sprintf(certificateFilePath, "%s/%s", keyDirectory, CERTIFICATE_FILE_NAME);
+  snprintf(certificateFilePath, sizeof(certificateFilePath), "%s/%s", keyDirectory, CERTIFICATE_FILE_NAME);
 
   char keyFilePath[4096];
-  sprintf(&keyFilePath[0], "%s/%s", keyDirectory, KEY_FILE_NAME);
+  snprintf(keyFilePath, sizeof(keyFilePath), "%s/%s", keyDirectory, KEY_FILE_NAME);
 
   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
   curl_easy_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L);

src/config.c

@@ -411,11 +411,11 @@ void config_parse(int argc, char* argv[], PCONFIGURATION config) {
     struct passwd *pw = getpwuid(getuid());
     const char *dir;
     if ((dir = getenv("XDG_CACHE_DIR")) != NULL)
-      sprintf(config->key_dir, "%s" MOONLIGHT_PATH, dir);
+      snprintf(config->key_dir, sizeof(config->key_dir), "%s" MOONLIGHT_PATH, dir);
     else if ((dir = getenv("HOME")) != NULL)
-      sprintf(config->key_dir, "%s" DEFAULT_CACHE_DIR MOONLIGHT_PATH, dir);
+      snprintf(config->key_dir, sizeof(config->key_dir), "%s" DEFAULT_CACHE_DIR MOONLIGHT_PATH, dir);
     else
-      sprintf(config->key_dir, "%s" DEFAULT_CACHE_DIR MOONLIGHT_PATH, pw->pw_dir);
+      snprintf(config->key_dir, sizeof(config->key_dir), "%s" DEFAULT_CACHE_DIR MOONLIGHT_PATH, pw->pw_dir);
   }
 
   if (config->stream.bitrate == -1) {

src/video/rk.c

@@ -39,7 +39,7 @@
 
 #include <rockchip/rk_mpi.h>
 
-#define MAX_FRAMES 16
+#define MAX_FRAMES 3
 #define RK_H264 0x7
 #define RK_H265 0x1000004
 #define RK_AV1  0x1000008