libobs,libobs-opengl,obs-ffmpeg-mux: Calm deprecation warnings on *nix

Calm libobs-opengl deprecation warnings on macOS.

Calm FFmpeg deprecation warning with LIBAVFORMAT_VERSION_MAJOR < 59.

libobs-opengl/gl-cocoa.m

@@ -92,7 +92,10 @@ struct gl_platform *gl_platform_create(gs_device_t *device, uint32_t adapter)
 
 	[context makeCurrentContext];
 	GLint interval = 0;
+	PRAGMA_WARN_PUSH
+	PRAGMA_WARN_DEPRECATION
 	[context setValues:&interval forParameter:NSOpenGLCPSwapInterval];
+	PRAGMA_WARN_POP
 	const bool success = gladLoadGL() != 0;
 
 	if (!success) {
@@ -138,10 +141,13 @@ bool gl_platform_init_swapchain(struct gs_swap_chain *swap)
 		CGLLockContext(context_obj);
 
 		[context makeCurrentContext];
+		PRAGMA_WARN_PUSH
+		PRAGMA_WARN_DEPRECATION
 		[context setView:swap->wi->view];
 		GLint interval = 0;
 		[context setValues:&interval
 			forParameter:NSOpenGLCPSwapInterval];
+		PRAGMA_WARN_POP
 		gl_gen_framebuffers(1, &swap->wi->fbo);
 		gl_bind_framebuffer(GL_FRAMEBUFFER, swap->wi->fbo);
 		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
@@ -199,7 +205,10 @@ struct gl_windowinfo *gl_windowinfo_create(const struct gs_init_data *info)
 
 	wi->view = info->window.view;
 	wi->view.window.colorSpace = NSColorSpace.sRGBColorSpace;
+	PRAGMA_WARN_PUSH
+	PRAGMA_WARN_DEPRECATION
 	wi->view.wantsBestResolutionOpenGLSurface = YES;
+	PRAGMA_WARN_POP
 
 	return wi;
 }

libobs/obs-nix-platform.c

@@ -25,7 +25,10 @@ static void *obs_nix_platform_display = NULL;
 
 void obs_set_nix_platform(enum obs_nix_platform_type platform)
 {
+	PRAGMA_WARN_PUSH
+	PRAGMA_WARN_DEPRECATION
 	assert(platform != OBS_NIX_PLATFORM_X11_GLX);
+	PRAGMA_WARN_POP
 	obs_nix_platform = platform;
 }
 

libobs/util/c99defs.h

@@ -51,6 +51,26 @@
 #define EXPORT __attribute__((visibility("default")))
 #endif
 
+#ifdef _MSC_VER
+#define PRAGMA_WARN_PUSH __pragma(warning(push))
+#define PRAGMA_WARN_POP __pragma(warning(pop))
+#define PRAGMA_WARN_DEPRECATION
+#elif defined(__clang__)
+#define PRAGMA_WARN_PUSH _Pragma("clang diagnostic push")
+#define PRAGMA_WARN_POP _Pragma("clang diagnostic pop")
+#define PRAGMA_WARN_DEPRECATION \
+	_Pragma("clang diagnostic warning \"-Wdeprecated-declarations\"")
+#elif defined(__GNUC__)
+#define PRAGMA_WARN_PUSH _Pragma("GCC diagnostic push")
+#define PRAGMA_WARN_POP _Pragma("GCC diagnostic pop")
+#define PRAGMA_WARN_DEPRECATION \
+	_Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
+#else
+#define PRAGMA_WARN_PUSH
+#define PRAGMA_WARN_POP
+#define PRAGMA_WARN_DEPRECATION
+#endif
+
 #include <stddef.h>
 #include <stdint.h>
 #include <stdbool.h>

plugins/obs-ffmpeg/ffmpeg-mux/ffmpeg-mux.c

@@ -472,7 +472,10 @@ static void create_video_stream(struct ffmpeg_mux *ffm)
 	ffm->video_stream->time_base = context->time_base;
 #if LIBAVFORMAT_VERSION_MAJOR < 59
 	// codec->time_base may still be used if LIBAVFORMAT_VERSION_MAJOR < 59
+	PRAGMA_WARN_PUSH
+	PRAGMA_WARN_DEPRECATION
 	ffm->video_stream->codec->time_base = context->time_base;
+	PRAGMA_WARN_POP
 #endif
 	ffm->video_stream->avg_frame_rate = av_inv_q(context->time_base);