[client] update for the new LGMP interface prototypes

client/displayservers/Wayland/shell_xdg.c

@@ -65,30 +65,15 @@ static const struct xdg_surface_listener xdgSurfaceListener = {
 static void xdgToplevelConfigure(void * data, struct xdg_toplevel * xdgToplevel,
     int32_t width, int32_t height, struct wl_array * states)
 {
-  wlWm.width      = width;
-  wlWm.height     = height;
+  wlWm.width = width;
+  wlWm.height = height;
   wlWm.fullscreen = false;
-  wlWm.floating   = true;
 
   enum xdg_toplevel_state * state;
   wl_array_for_each(state, states)
   {
-    switch (*state)
-    {
-    case XDG_TOPLEVEL_STATE_FULLSCREEN:
+    if (*state == XDG_TOPLEVEL_STATE_FULLSCREEN)
       wlWm.fullscreen = true;
-      // fallthrough
-    case XDG_TOPLEVEL_STATE_MAXIMIZED:
-    case XDG_TOPLEVEL_STATE_TILED_LEFT:
-    case XDG_TOPLEVEL_STATE_TILED_RIGHT:
-    case XDG_TOPLEVEL_STATE_TILED_TOP:
-    case XDG_TOPLEVEL_STATE_TILED_BOTTOM:
-      wlWm.floating = false;
-      break;
-
-    default:
-      break;
-    }
   }
 }
 
@@ -171,14 +156,5 @@ void waylandMinimize(void)
 
 void waylandShellResize(int w, int h)
 {
-  if (!wlWm.floating)
-    return;
-
-  wlWm.width = w;
-  wlWm.height = h;
-  xdg_surface_set_window_geometry(wlWm.xdgSurface, 0, 0, w, h);
-
-  wlWm.needsResize = true;
-  app_invalidateWindow(true);
-  waylandStopWaitFrame();
+  //TODO: Implement resize for XDG.
 }

client/displayservers/Wayland/wayland.h

@@ -112,7 +112,6 @@ struct WaylandDSState
   bool fractionalScale;
   bool needsResize;
   bool fullscreen;
-  bool floating;
   uint32_t resizeSerial;
   bool configured;
   bool warpSupport;

client/src/core.c

@@ -478,10 +478,11 @@ void core_handleMouseNormal(double ex, double ey)
     if (!g_state.stopVideo &&
       g_state.kvmfrFeatures & KVMFR_FEATURE_SETCURSORPOS)
     {
-      const KVMFRSetCursorPos msg = {
-        .msg.type = KVMFR_MESSAGE_SETCURSORPOS,
-        .x        = round(guest.x),
-        .y        = round(guest.y)
+      const KVMFRMessage_SetCursorPos msg = {
+        .msg.type     = KVMFR_MESSAGE_SETCURSORPOS,
+        .msg.clientID = g_state.clientID,
+        .x            = round(guest.x),
+        .y            = round(guest.y)
       };
 
       uint32_t setPosSerial;

client/src/main.c

@@ -1434,7 +1434,7 @@ restart:
     }
 
     status = lgmpClientSessionInit(g_state.lgmp, &udataSize, (uint8_t **)&udata,
-        NULL);
+        &g_state.clientID);
     switch(status)
     {
       case LGMP_OK:

client/src/main.h

@@ -121,6 +121,7 @@ struct AppState
 
   struct IVSHMEM       shm;
   PLGMPClient          lgmp;
+  uint32_t             clientID;
   PLGMPClientQueue     pointerQueue;
   LG_Lock              pointerQueueLock;
   KVMFRFeatureFlags    kvmfrFeatures;

common/include/common/KVMFR.h

@@ -28,7 +28,7 @@
 #include "types.h"
 
 #define KVMFR_MAGIC   "KVMFR---"
-#define KVMFR_VERSION 19
+#define KVMFR_VERSION 20
 
 #define KVMFR_MAX_DAMAGE_RECTS 64
 
@@ -56,7 +56,8 @@ typedef uint32_t KVMFRFeatureFlags;
 
 enum
 {
-  KVMFR_MESSAGE_SETCURSORPOS
+  KVMFR_MESSAGE_SETCURSORPOS,
+  KVMFR_MESSAGE_FRAME_TIME
 };
 
 typedef uint32_t KVMFRMessageType;
@@ -137,6 +138,8 @@ typedef struct KVMFRFrame
 {
   uint32_t        formatVer;          // the frame format version number
   uint32_t        frameSerial;        // the unique frame number
+  uint64_t        frameTimeUs;        // when the capture was started
+  uint64_t        frameElapsedUs;     // total time elapsed to capture the frame
   FrameType       type;               // the frame data type
   uint32_t        screenWidth;        // the client's screen width
   uint32_t        screenHeight;       // the client's screen height
@@ -155,14 +158,28 @@ KVMFRFrame;
 typedef struct KVMFRMessage
 {
   KVMFRMessageType type;
+  uint32_t         clientID;
 }
 KVMFRMessage;
 
-typedef struct KVMFRSetCursorPos
+typedef struct KVMFRMessage_SetCursorPos
 {
   KVMFRMessage msg;
   int32_t x, y;
 }
-KVMFRSetCursorPos;
+KVMFRMessage_SetCursorPos;
+
+typedef struct KVMFRMessage_FrameTime
+{
+  KVMFRMessage msg;
+  /* this is the desired time to start the next capture operation where zero is
+   * immediate. This is only a hint to the host application and may not be
+   * honored. The value provided should be offset from the latest frame's
+   * frameTimeUs. When multiple clients are sending this message, the one with
+   * the lowest value will be used.
+   */
+  uint64_t frameTimeUs;
+}
+KVMFRMessage_FrameTime;
 
 #endif

host/platform/Windows/capture/NVFBC/src/nvfbc.c

@@ -316,55 +316,43 @@ static bool nvfbc_init(void)
   }
 
   int adapterIndex = option_get_int("nvfbc", "adapterIndex");
-
-  bool created = false;
-  for(int retry = 0; retry < 2; ++retry)
+  // NOTE: Calling this on hardware that doesn't support NvFBC such as GeForce
+  // causes a substantial performance pentalty even if it fails! As such we only
+  // attempt NvFBC as a last resort, or if configured via the app:capture
+  // option.
+  if (adapterIndex < 0)
   {
-    // NOTE: Calling this on hardware that doesn't support NvFBC such as GeForce
-    // causes a substantial performance pentalty even if it fails! As such we only
-    // attempt NvFBC as a last resort, or if configured via the app:capture
-    // option.
+    IDirect3D9 * d3d = Direct3DCreate9(D3D_SDK_VERSION);
+    int adapterCount = IDirect3D9_GetAdapterCount(d3d);
+    for(int i = 0; i < adapterCount; ++i)
+    {
+      D3DADAPTER_IDENTIFIER9 ident;
+      IDirect3D9_GetAdapterIdentifier(d3d, i, 0, &ident);
+      if (ident.VendorId != 0x10DE)
+        continue;
+
+      if (NvFBCToSysCreate(i, privData, privDataLen, &this->nvfbc,
+        &this->maxWidth, &this->maxHeight))
+      {
+        adapterIndex = i;
+        break;
+      }
+    }
+    IDirect3D9_Release(d3d);
+
     if (adapterIndex < 0)
     {
-      IDirect3D9 * d3d = Direct3DCreate9(D3D_SDK_VERSION);
-      int adapterCount = IDirect3D9_GetAdapterCount(d3d);
-      for(int i = 0; i < adapterCount; ++i)
-      {
-        D3DADAPTER_IDENTIFIER9 ident;
-        IDirect3D9_GetAdapterIdentifier(d3d, i, 0, &ident);
-        if (ident.VendorId != 0x10DE)
-          continue;
-
-        if (NvFBCToSysCreate(i, privData, privDataLen, &this->nvfbc,
-          &this->maxWidth, &this->maxHeight))
-        {
-          adapterIndex = i;
-          created      = true;
-          break;
-        }
-      }
-      IDirect3D9_Release(d3d);
+      free(privData);
+      return false;
     }
-    else
+  }
+  else
+    if (!NvFBCToSysCreate(adapterIndex, privData, privDataLen, &this->nvfbc, &this->maxWidth, &this->maxHeight))
     {
-      if (!NvFBCToSysCreate(adapterIndex, privData, privDataLen, &this->nvfbc, &this->maxWidth, &this->maxHeight))
-        continue;
-      created = true;
+      free(privData);
+      return false;
     }
 
-    if (created)
-      break;
-
-    //1000ms delay before retry
-    nsleep(1000000000);
-  }
-
-  if (!created)
-  {
-    free(privData);
-    return false;
-  }
-
   int diffRes = option_get_int("nvfbc", "diffRes");
   enum DiffMapBlockSize blockSize;
   NvFBCGetDiffMapBlockSize(diffRes, &blockSize, &this->diffShift, privData, privDataLen);

host/platform/Windows/src/platform.c

@@ -526,13 +526,7 @@ bool app_init(void)
 
   // redirect stderr to a file
   if (logFile && strcmp(logFile, "stderr") != 0)
-  {
-    DEBUG_INFO("Logs will be written to: %s", logFile);
-    DEBUG_INFO("Please see there for any further information");
-
-    if (!freopen(logFile, "a", stderr))
-      DEBUG_WARN("Failed to open log file, will log to stderr");
-  }
+    freopen(logFile, "a", stderr);
 
   // always flush stderr
   setbuf(stderr, NULL);

host/src/app.c

@@ -96,6 +96,7 @@ struct app
   unsigned int   frameIndex;
   bool           frameValid;
   uint32_t       frameSerial;
+  uint64_t       frameTimeUs;
 
   CaptureInterface * iface;
 
@@ -268,6 +269,7 @@ static bool sendFrame(void)
   }
 
   fi->formatVer         = frame.formatVer;
+  fi->frameTimeUs       = app.frameTimeUs;
   fi->frameSerial       = app.frameSerial++;
   fi->screenWidth       = frame.screenWidth;
   fi->screenHeight      = frame.screenHeight;
@@ -295,6 +297,11 @@ static bool sendFrame(void)
   FrameBuffer * fb = (FrameBuffer *)(((uint8_t*)fi) + fi->offset);
   framebuffer_prepare(fb);
 
+  // calculate the elapsed time as late as possible, note that this does not
+  // take into account the memory copy time and the client's that care about
+  // this value will need to take this into account
+  fi->frameElapsedUs = microtime() - app.frameTimeUs;
+
   /* we post and then get the frame, this is intentional! */
   if ((status = lgmpHostQueuePost(app.frameQueue, 0,
     app.frameMemory[app.frameIndex])) != LGMP_OK)
@@ -748,7 +755,7 @@ int app_main(int argc, char * argv[])
   if (option_load(configFile))
     DEBUG_INFO("Configuration file loaded");
   else
-    DEBUG_INFO("Configuration file not found or invalid, continuing anyway...");
+    DEBUG_INFO("Configuration file not found or invalid");
 
   // parse the command line arguments
   if (!option_parse(argc, argv))
@@ -901,20 +908,20 @@ int app_main(int argc, char * argv[])
         LG_UNLOCK(app.pointerLock);
       }
 
-      const uint64_t delta = microtime() - previousFrameTime;
+      const uint64_t now = microtime();
+      const uint64_t delta = now - previousFrameTime;
       if (delta < throttleUs)
       {
-        const uint64_t us = throttleUs - delta;
-        // only delay if the time is reasonable
-        if (us > 1000)
-          nsleep(us * 1000);
+        nsleep((throttleUs - delta) * 1000);
+        previousFrameTime = microtime();
       }
+      else
+        previousFrameTime = now;
 
-      const uint64_t captureStart = microtime();
+      app.frameTimeUs = microtime();
       switch(iface->capture())
       {
         case CAPTURE_RESULT_OK:
-          previousFrameTime = captureStart;
           break;
 
         case CAPTURE_RESULT_TIMEOUT:

obs/lg.c

@@ -421,7 +421,7 @@ static void lgUpdate(void * data, obs_data_t * settings)
 
   usleep(200000);
 
-  if (lgmpClientSessionInit(this->lgmp, &udataSize, (uint8_t **)&udata, NULL)
+  if (lgmpClientSessionInit(this->lgmp, &udataSize, (uint8_t **)&udata)
       != LGMP_OK)
     return;