spout cap.: improvements

- removed inclusion of config*.h

- use Sleep instead of usleep

- subsequent improves in gl_common.h (removed config*.h)

src/gl_context.h

@@ -3,7 +3,7 @@
  * @author Martin Pulec     <martin.pulec@cesnet.cz>
  */
 /*
- * Copyright (c) 2012-2013 CESNET, z. s. p. o.
+ * Copyright (c) 2012-2023 CESNET, z. s. p. o.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,19 +38,13 @@
 #ifndef _GL_CONTEXT_H_
 #define _GL_CONTEXT_H_
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#include "config_win32.h"
-#include "config_unix.h"
-#endif // HAVE_CONFIG_H
-
-#if defined HAVE_LINUX || defined WIN32
+#if defined __linux__ || defined _WIN32
 #include <GL/glew.h>
 #else
 #include <OpenGL/GL.h>
 #endif /*  HAVE_LINUX */
 
-#ifdef HAVE_MACOSX
+#ifdef __APPLE__
 #include <Availability.h>
 #endif
 
@@ -58,7 +52,7 @@
 extern "C" {
 #endif // __cplusplus
 
-#if defined HAVE_MACOSX && ! defined __MAC_10_8
+#if defined __APPLE__ && ! defined __MAC_10_8
 #define glGenFramebuffers glGenFramebuffersEXT
 #define glBindFramebuffer glBindFramebufferEXT
 #define GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT

src/video_capture/spout.cpp

@@ -35,22 +35,18 @@
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#include "config_unix.h"
-#include "config_win32.h"
-#endif
-
-#include "gl_context.h" // it looks like it needs to be included prior to Spout.h
 
 #include <array>
 #include <cctype>
 #include <chrono>
 #include <iostream>
+#include <memory>
 #include <SpoutLibrary.h>
+#include <synchapi.h>
 #include <string>
 
 #include "debug.h"
+#include "gl_context.h"
 #include "host.h"
 #include "lib_common.h"
 #include "spout_sender.h" // spout_set_log_level
@@ -214,7 +210,7 @@ static void vidcap_spout_done(void *state)
 static struct video_frame *vidcap_spout_grab(void *state, struct audio_frame **audio)
 {
         enum {
-                MS100_IN_US = 100 * 1000,
+                MS100 = 100,
         };
         state_vidcap_spout *s = (state_vidcap_spout *) state;
 
@@ -227,7 +223,7 @@ static struct video_frame *vidcap_spout_grab(void *state, struct audio_frame **a
                 vf_free(out);
                 gl_context_make_current(NULL);
                 MSG(WARNING, "No signal detected...\n");
-                usleep(MS100_IN_US);
+                Sleep(MS100);
                 return NULL;
         }
         if (s->spout_state->IsUpdated()) {