Fix all warnings

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) {

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);

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);

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);

src/egl.c

@@ -112,9 +112,9 @@ static bool gsr_egl_load_egl(gsr_egl *self, void *library) {
 }
 
 static bool gsr_egl_proc_load_egl(gsr_egl *self) {
-    self->eglExportDMABUFImageQueryMESA = self->eglGetProcAddress("eglExportDMABUFImageQueryMESA");
-    self->eglExportDMABUFImageMESA = self->eglGetProcAddress("eglExportDMABUFImageMESA");
-    self->glEGLImageTargetTexture2DOES = self->eglGetProcAddress("glEGLImageTargetTexture2DOES");
+    self->eglExportDMABUFImageQueryMESA = (FUNC_eglExportDMABUFImageQueryMESA)self->eglGetProcAddress("eglExportDMABUFImageQueryMESA");
+    self->eglExportDMABUFImageMESA = (FUNC_eglExportDMABUFImageMESA)self->eglGetProcAddress("eglExportDMABUFImageMESA");
+    self->glEGLImageTargetTexture2DOES = (FUNC_glEGLImageTargetTexture2DOES)self->eglGetProcAddress("glEGLImageTargetTexture2DOES");
 
     if(!self->glEGLImageTargetTexture2DOES) {
         fprintf(stderr, "gsr error: gsr_egl_load failed: could not find glEGLImageTargetTexture2DOES\n");

src/main.cpp

@@ -46,6 +46,8 @@ static const int VIDEO_STREAM_INDEX = 0;
 static thread_local char av_error_buffer[AV_ERROR_MAX_STRING_SIZE];
 
 static void monitor_output_callback_print(const XRROutputInfo *output_info, const XRRCrtcInfo *crt_info, const XRRModeInfo *mode_info, void *userdata) {
+    (void)mode_info;
+    (void)userdata;
     fprintf(stderr, "    \"%.*s\"    (%dx%d+%d+%d)\n", output_info->nameLen, output_info->name, (int)crt_info->width, (int)crt_info->height, crt_info->x, crt_info->y);
 }
 
@@ -83,11 +85,11 @@ enum class FramerateMode {
     VARIABLE
 };
 
-static int x11_error_handler(Display *dpy, XErrorEvent *ev) {
+static int x11_error_handler(Display*, XErrorEvent*) {
     return 0;
 }
 
-static int x11_io_error_handler(Display *dpy) {
+static int x11_io_error_handler(Display*) {
     return 0;
 }
 
@@ -236,7 +238,7 @@ static AVSampleFormat audio_format_to_sample_format(const AudioFormat audio_form
     return AV_SAMPLE_FMT_S16;
 }
 
-static AVCodecContext* create_audio_codec_context(int fps, AudioCodec audio_codec, FramerateMode framerate_mode) {
+static AVCodecContext* create_audio_codec_context(int fps, AudioCodec audio_codec) {
     const AVCodec *codec = avcodec_find_encoder(audio_codec_get_id(audio_codec));
     if (!codec) {
         fprintf(stderr, "Error: Could not find %s audio encoder\n", audio_codec_get_name(audio_codec));
@@ -1615,7 +1617,7 @@ int main(int argc, char **argv) {
 
     int audio_stream_index = VIDEO_STREAM_INDEX + 1;
     for(const MergedAudioInputs &merged_audio_inputs : requested_audio_inputs) {
-        AVCodecContext *audio_codec_context = create_audio_codec_context(fps, audio_codec, framerate_mode);
+        AVCodecContext *audio_codec_context = create_audio_codec_context(fps, audio_codec);
 
         AVStream *audio_stream = nullptr;
         if(replay_buffer_size_secs == -1)

src/sound.cpp

@@ -309,6 +309,7 @@ static void pa_state_cb(pa_context *c, void *userdata) {
 }
 
 static void pa_sourcelist_cb(pa_context *ctx, const pa_source_info *source_info, int eol, void *userdata) {
+    (void)ctx;
     if(eol > 0)
         return;
 

src/utils.c

@@ -46,6 +46,7 @@ void for_each_active_monitor_output(Display *display, active_monitor_callback ca
 }
 
 static void get_monitor_by_name_callback(const XRROutputInfo *output_info, const XRRCrtcInfo *crt_info, const XRRModeInfo *mode_info, void *userdata) {
+    (void)mode_info;
     get_monitor_by_name_userdata *data = (get_monitor_by_name_userdata*)userdata;
     if(!data->found_monitor && data->name_len == output_info->nameLen && memcmp(data->name, output_info->name, data->name_len) == 0) {
         data->monitor->pos = (vec2i){ .x = crt_info->x, .y = crt_info->y };