4 files changed, 7 insertions, 3 deletions
diff --git a/src/capture/kms_vaapi.c b/src/capture/kms_vaapi.c
index 765da68..16c746c 100644
--- a/src/capture/kms_vaapi.c
+++ b/src/capture/kms_vaapi.c
@@ -135,6 +135,7 @@ static bool properties_has_atom(Atom *props, int nprop, Atom atom) {
 }
 
 static void monitor_callback(const XRROutputInfo *output_info, const XRRCrtcInfo *crt_info, const XRRModeInfo *mode_info, void *userdata) {
+    (void)mode_info;
     MonitorCallbackUserdata *monitor_callback_userdata = userdata;
     ++monitor_callback_userdata->num_monitors;
 
@@ -436,6 +437,7 @@ static gsr_kms_response_fd* find_largest_drm(gsr_kms_response *kms_response) {
 }
 
 static int gsr_capture_kms_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
+    (void)frame;
     gsr_capture_kms_vaapi *cap_kms = cap->priv;
 
     for(int i = 0; i < cap_kms->kms_response.num_fds; ++i) {
diff --git a/src/capture/nvfbc.c b/src/capture/nvfbc.c
index c45712d..32b83fc 100644
--- a/src/capture/nvfbc.c
+++ b/src/capture/nvfbc.c
@@ -95,6 +95,10 @@ static bool version_less_than(int major, int minor, int expected_major, int expe
     return major < expected_major || (major == expected_major && minor < expected_minor);
 }
 
+static void set_func_ptr(void **dst, void *src) {
+    *dst = src;
+}
+
 static bool gsr_capture_nvfbc_load_library(gsr_capture *cap) {
     gsr_capture_nvfbc *cap_nvfbc = cap->priv;
 
@@ -105,7 +109,7 @@ static bool gsr_capture_nvfbc_load_library(gsr_capture *cap) {
         return false;
     }
 
-    cap_nvfbc->nv_fbc_create_instance = (PNVFBCCREATEINSTANCE)dlsym(lib, "NvFBCCreateInstance");
+    set_func_ptr((void**)&cap_nvfbc->nv_fbc_create_instance, dlsym(lib, "NvFBCCreateInstance"));
     if(!cap_nvfbc->nv_fbc_create_instance) {
         fprintf(stderr, "gsr error: unable to resolve symbol 'NvFBCCreateInstance'\n");
         dlclose(lib);
diff --git a/src/capture/xcomposite_cuda.c b/src/capture/xcomposite_cuda.c
index f40f9d2..d6fc10b 100644
--- a/src/capture/xcomposite_cuda.c
+++ b/src/capture/xcomposite_cuda.c
@@ -477,7 +477,6 @@ static int gsr_capture_xcomposite_cuda_capture(gsr_capture *cap, AVFrame *frame)
 }
 
 static void gsr_capture_xcomposite_cuda_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
-    gsr_capture_xcomposite_cuda *cap_xcomp = cap->priv;
     if(cap->priv) {
         gsr_capture_xcomposite_cuda_stop(cap, video_codec_context);
         free(cap->priv);
diff --git a/src/capture/xcomposite_vaapi.c b/src/capture/xcomposite_vaapi.c
index 5a39820..bb92f7f 100644
--- a/src/capture/xcomposite_vaapi.c
+++ b/src/capture/xcomposite_vaapi.c
@@ -606,7 +606,6 @@ static void gsr_capture_xcomposite_vaapi_stop(gsr_capture *cap, AVCodecContext *
 
 static void gsr_capture_xcomposite_vaapi_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
     (void)video_codec_context;
-    gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
     if(cap->priv) {
         gsr_capture_xcomposite_vaapi_stop(cap, video_codec_context);
         free(cap->priv);