UI,libobs,libobs-opengl,obs-ffmpeg: Remove unneeded cast in switches

Those casts were usually used to workaround switch warnings.

Also adds default to OBS frontend event switches that had this
workaround.

UI/source-tree.cpp

@@ -636,7 +636,7 @@ void SourceTreeModel::OBSFrontendEvent(enum obs_frontend_event event, void *ptr)
 {
 	SourceTreeModel *stm = reinterpret_cast<SourceTreeModel *>(ptr);
 
-	switch ((int)event) {
+	switch (event) {
 	case OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED:
 		stm->SceneChanged();
 		break;
@@ -644,6 +644,8 @@ void SourceTreeModel::OBSFrontendEvent(enum obs_frontend_event event, void *ptr)
 	case OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP:
 		stm->Clear();
 		break;
+	default:
+		break;
 	}
 }
 

UI/window-basic-stats.cpp

@@ -22,13 +22,15 @@ void OBSBasicStats::OBSFrontendEvent(enum obs_frontend_event event, void *ptr)
 {
 	OBSBasicStats *stats = reinterpret_cast<OBSBasicStats *>(ptr);
 
-	switch ((int)event) {
+	switch (event) {
 	case OBS_FRONTEND_EVENT_RECORDING_STARTED:
 		stats->StartRecTimeLeft();
 		break;
 	case OBS_FRONTEND_EVENT_RECORDING_STOPPED:
 		stats->ResetRecTimeLeft();
 		break;
+	default:
+		break;
 	}
 }
 

libobs-opengl/gl-shader.c

@@ -735,7 +735,7 @@ void gs_shader_set_val(gs_sparam_t *param, const void *val, size_t size)
 	if (!count)
 		count = 1;
 
-	switch ((uint32_t)param->type) {
+	switch (param->type) {
 	case GS_SHADER_PARAM_FLOAT:
 		expected_size = sizeof(float);
 		break;

libobs/graphics/graphics-ffmpeg.c

@@ -617,7 +617,7 @@ void gs_free_image_deps(void) {}
 
 static inline enum gs_color_format convert_format(enum AVPixelFormat format)
 {
-	switch ((int)format) {
+	switch (format) {
 	case AV_PIX_FMT_RGBA:
 		return GS_RGBA;
 	case AV_PIX_FMT_BGRA:

libobs/obs.c

@@ -56,7 +56,7 @@ static inline void calc_gpu_conversion_sizes(struct obs_core_video_mix *video)
 	video->conversion_width_i = 0.f;
 	video->conversion_height_i = 0.f;
 
-	switch ((uint32_t)info->format) {
+	switch (info->format) {
 	case VIDEO_FORMAT_I420:
 		video->conversion_needed = true;
 		video->conversion_techs[0] = "Planar_Y";

plugins/obs-ffmpeg/obs-ffmpeg-formats.h

@@ -98,7 +98,7 @@ determine_chroma_location(enum AVPixelFormat pix_fmt,
 static inline enum audio_format
 convert_ffmpeg_sample_format(enum AVSampleFormat format)
 {
-	switch ((uint32_t)format) {
+	switch (format) {
 	case AV_SAMPLE_FMT_U8:
 		return AUDIO_FORMAT_U8BIT;
 	case AV_SAMPLE_FMT_S16: