1 files changed, 60 insertions, 4 deletions

diff --git a/indra/llplugin/llpluginclassmedia.cpp b/indra/llplugin/llpluginclassmedia.cpp
index 53a338b3d6..32ecf7bcd1 100644
--- a/indra/llplugin/llpluginclassmedia.cpp
+++ b/indra/llplugin/llpluginclassmedia.cpp
@@ -33,12 +33,16 @@
 #include "llpluginmessageclasses.h"
 #include "llcontrol.h"
 
+#include <cmath>
+
 extern LLControlGroup gSavedSettings;
-#if LL_DARWIN
+#if LL_DARWIN || LL_LINUX
 extern bool gHiDPISupport;
 #endif
 
 static int LOW_PRIORITY_TEXTURE_SIZE_DEFAULT = 256;
+static const U32 MIN_DEBUG_PORT = 1024;
+static const U32 MAX_DEBUG_PORT = 65535;
 
 static int nextPowerOf2( int value )
 {
@@ -90,6 +94,7 @@ bool LLPluginClassMedia::init(const std::string &launcher_filename, const std::s
 
 void LLPluginClassMedia::reset()
 {
+    LL_PROFILE_ZONE_SCOPED;
     if(mPlugin)
     {
         mPlugin->requestShutdown();
@@ -168,6 +173,7 @@ void LLPluginClassMedia::reset()
 
 void LLPluginClassMedia::idle(void)
 {
+    LL_PROFILE_ZONE_SCOPED_CATEGORY_MEDIA;
     if(mPlugin)
     {
         mPlugin->idle();
@@ -372,7 +378,7 @@ void LLPluginClassMedia::setSizeInternal(void)
         mRequestedMediaHeight = nextPowerOf2(mRequestedMediaHeight);
     }
 
-#if LL_DARWIN
+#if LL_DARWIN || LL_LINUX
     if (!gHiDPISupport)
 #endif
     {
@@ -959,6 +965,34 @@ void LLPluginClassMedia::showPageSource()
     sendMessage(message);
 }
 
+
+static U32 assignCefDebuggingPort()
+{
+    U32 base_port = gSavedSettings.getU32("CEFRemoteDebuggingPort");
+    if (base_port == 0)
+    {
+        return 0;
+    }
+    base_port = llclamp<U32>(base_port, MIN_DEBUG_PORT, MAX_DEBUG_PORT);
+
+    static U32 last_base_port = 0;
+    static U32 offset = 0;
+    if (base_port != last_base_port)
+    {
+        last_base_port = base_port;
+        offset = 0;
+    }
+
+    U32 new_port = base_port + offset;
+    if (new_port > MAX_DEBUG_PORT)
+    {
+        return 0;
+    }
+
+    ++offset;
+    return new_port;
+}
+
 void LLPluginClassMedia::setUserDataPath(const std::string &user_data_path_cache,
                                          const std::string &username,
                                          const std::string &user_data_path_cef_log)
@@ -970,6 +1004,10 @@ void LLPluginClassMedia::setUserDataPath(const std::string &user_data_path_cache
 
     bool cef_verbose_log = gSavedSettings.getBOOL("CefVerboseLog");
     message.setValueBoolean("cef_verbose_log", cef_verbose_log);
+
+    U32 cef_remote_debugging_port = assignCefDebuggingPort();
+    message.setValueU32("cef_remote_debugging_port", cef_remote_debugging_port);
+    mCefRemoteDebuggingPort = cef_remote_debugging_port;
     sendMessage(message);
 }
 
@@ -1015,7 +1053,7 @@ void LLPluginClassMedia::enableMediaPluginDebugging( bool enable )
     sendMessage( message );
 }
 
-#if LL_LINUX
+#if LL_LINUX || __FreeBSD__
 void LLPluginClassMedia::enablePipeWireVolumeCatcher( bool enable )
 {
     LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "enable_pipewire_volume_catcher");
@@ -1632,7 +1670,13 @@ void LLPluginClassMedia::setLoop(bool loop)
 
 void LLPluginClassMedia::setVolume(float volume)
 {
-    if(volume != mRequestedVolume)
+    // VLC's volume is integer, 0 to 100 range. When converted from float,
+    // changes below 0.01 won't be noticed by VLC.
+    // CEF's audio range is DWORD, 0 to 65535. But changes so small are
+    // inaudible and don't warrant the overhead, so use a bigger epsilon
+    // to avoid extra messages and locking.
+    constexpr float VOLUME_EPSILON = 0.002f;
+    if (std::abs(volume - mRequestedVolume) > VOLUME_EPSILON)
     {
         mRequestedVolume = volume;
 
@@ -1658,3 +1702,15 @@ void LLPluginClassMedia::initializeUrlHistory(const LLSD& url_history)
 
     LL_DEBUGS("Plugin") << "Sending history" << LL_ENDL;
 }
+
+void LLPluginClassMedia::forceRenderRefresh()
+{
+    // Force layout recalculation by briefly hiding/showing the web content
+    // Used to clear black screen issues after resize, see #5607
+    const std::string refresh_script =
+        "document.documentElement.style.visibility='hidden';"
+        "document.documentElement.offsetHeight;"
+        "document.documentElement.style.visibility='';";
+
+    executeJavaScript(refresh_script);
+}