Minor improvements

Display hourglass in left panel to inform source is loading and prevent buttons when loading + Varia.

src/ImGuiVisitor.cpp

@@ -463,7 +463,15 @@ void ImGuiVisitor::visit (Source& s)
         if (s.ready()) {
             ImGui::SetCursorPos( ImVec2(pos.x + 0.5f * (preview_width-width), pos.y + 0.5f * (preview_height-height-space)) );
             ImGui::Image((void*)(uintptr_t) s.frame()->texture(), ImVec2(width, height));
+        } else {
+            ImGuiToolkit::PushFont(ImGuiToolkit::FONT_LARGE);
+            ImGui::SetCursorPos(
+                ImVec2(pos.x + (preview_width - ImGui::GetFrameHeight()) * 0.5f,
+                       pos.y + (preview_height - ImGui::GetFrameHeight()) * 0.5f));
+            ImGui::Text(ICON_FA_HOURGLASS_HALF);
+            ImGui::PopFont();
         }
+
         // inform on visibility status
         ImGui::SetCursorPos( ImVec2(preview_width + 20, pos.y ) );
         if (s.active()) {
@@ -637,9 +645,9 @@ void ImGuiVisitor::visit (Source& s)
         ImGui::Image((void*)(uintptr_t) s.frame()->texture(), ImVec2(width, height));
 
         // centered icon of failed (skull)
-        ImGui::SetCursorPos( ImVec2(pos.x + (width  -ImGui::GetFrameHeightWithSpacing())* 0.5f ,
-                                    pos.y + (height -ImGui::GetFrameHeightWithSpacing()) * 0.5f) );
         ImGuiToolkit::PushFont(ImGuiToolkit::FONT_LARGE);
+        ImGui::SetCursorPos( ImVec2(pos.x + (preview_width  -ImGui::GetFrameHeight())* 0.5f ,
+                                    pos.y + (preview_height -ImGui::GetFrameHeight()) * 0.5f) );
         ImGui::Text(ICON_FA_SKULL);
         ImGui::PopFont();
 
@@ -753,10 +761,12 @@ void ImGuiVisitor::visit (MediaSource& s)
         ImGui::SetCursorPos(botom);
 
         // because sometimes the error comes from gpu decoding
-        if ( Settings::application.render.gpu_decoding && SystemToolkit::file_exists(s.path()) )
+        if ( Settings::application.render.gpu_decoding &&
+            SystemToolkit::file_exists(s.path()) &&
+            !s.mediaplayer()->softwareDecodingForced() )
         {
             // offer to reload the source without hardware decoding
-            if ( ImGui::Button( ICON_FA_REDO_ALT " Try again without\nhardware decoding", ImVec2(IMGUI_RIGHT_ALIGN, 0)) ) {
+            if ( ImGui::Button( ICON_FA_REDO_ALT " Try again ", ImVec2(IMGUI_RIGHT_ALIGN, 0)) ) {
                 // replace current source with one created with a flag forcing software decoding
                 Mixer::manager().replaceSource(Mixer::manager().currentSource(),
                                                Mixer::manager().createSourceFile(s.path(), true));
@@ -1420,8 +1430,10 @@ void ImGuiVisitor::visit (PatternSource& s)
     {
         for (uint p = 0; p < Pattern::count(); ++p){
             pattern_descriptor pattern = Pattern::get(p);
-            std::string label = pattern.label + (pattern.animated ? "  " ICON_FA_PLAY_CIRCLE : " ");
+            std::string label = pattern.label;
-            if (pattern.available && ImGui::Selectable( label.c_str(), p == s.pattern()->type() )) {
+            if (pattern.available &&
+                pattern.animated == s.playable() &&
+                ImGui::Selectable( label.c_str(), p == s.pattern()->type() )) {
                 s.setPattern(p, s.pattern()->resolution());
                 info.reset();
                 std::ostringstream oss;
@@ -1448,7 +1460,7 @@ void ImGuiVisitor::visit (PatternSource& s)
             top.x += ImGui::GetFrameHeight();
         }
         ImGui::SetCursorPos(top);
-        if (ImGuiToolkit::IconButton(ICON_FA_COPY, "Copy"))
+        if (ImGuiToolkit::IconButton(ICON_FA_COPY, "Copy gstreamer code"))
             ImGui::SetClipboardText(Pattern::get( s.pattern()->type() ).pipeline.c_str());
     }
     else

src/ImageFilter.cpp

@@ -657,7 +657,7 @@ const char* BlurFilter::method_label[BlurFilter::BLUR_INVALID] = {
 };
 
 std::vector< FilteringProgram > BlurFilter::programs_ = {
-    FilteringProgram("Gaussian", "shaders/filters/blur_1.glsl",        "shaders/filters/blur_2.glsl",     { { "Radius", 0.5} }),
+    FilteringProgram("Gaussian", "shaders/filters/blur_1.glsl",        "shaders/filters/blur_2.glsl",     { { "Radius", 0.55} }),
     FilteringProgram("Scattered","shaders/filters/hashedblur.glsl",    "",     { { "Radius", 0.5}, { "Iterations", 0.25 } }),
     FilteringProgram("Opening",  "shaders/filters/hashederosion.glsl", "shaders/filters/hasheddilation.glsl",   { { "Radius", 0.5} }),
     FilteringProgram("Closing",  "shaders/filters/hasheddilation.glsl","shaders/filters/hashederosion.glsl",   { { "Radius", 0.5} }),
@@ -800,7 +800,7 @@ const char* SharpenFilter::method_label[SharpenFilter::SHARPEN_INVALID] = {
 };
 
 std::vector< FilteringProgram > SharpenFilter::programs_ = {
-    FilteringProgram("UnsharpMask", "shaders/filters/sharpen_1.glsl",  "shaders/filters/sharpen_2.glsl",     { { "Amount", 0.5} }),
+    FilteringProgram("UnsharpMask", "shaders/filters/sharpen_1.glsl",  "shaders/filters/sharpen_2.glsl",     { { "Amount", 0.25} }),
     FilteringProgram("Sharpen",      "shaders/filters/sharpen.glsl",    "",   { { "Amount", 0.5} }),
     FilteringProgram("Sharp Edge",   "shaders/filters/sharpenedge.glsl","",   { { "Amount", 0.25} }),
     FilteringProgram("TopHat",       "shaders/filters/erosion.glsl",    "shaders/filters/tophat.glsl",    { { "Radius", 0.5} }),

src/MediaPlayer.cpp

@@ -1446,7 +1446,7 @@ void MediaPlayer::execute_seek_command(GstClockTime target, bool force)
     if (seek_event && gst_element_send_event(pipeline_, seek_event) ) {
         seeking_ = true;
 #ifdef MEDIA_PLAYER_DEBUG
-        g_printerr("MediaPlayer %s Seek %ld %.1f", std::to_string(id_).c_str(), seek_pos, rate_);
+        g_printerr("MediaPlayer %s Seek %ld %.1f\n", std::to_string(id_).c_str(), seek_pos, rate_);
 #endif
     }
     else

src/TextSource.cpp

@@ -405,7 +405,7 @@ glm::ivec2 TextSource::icon() const
 std::string TextSource::info() const
 {
     if ( contents()->isSubtitle() )
-        return "Subtitle text";
+        return "Subtitle file";
     else
-        return "Free text";
+        return "Text";
 }

src/UserInterfaceManager.cpp

@@ -3558,8 +3558,13 @@ void Navigator::RenderSourcePannel(Source *s, const ImVec2 &iconsize)
             }
         }
 
-        // clone button
+        ///
+        /// ACTION BUTTONS PANEL if not loading
+        ///
         ImGui::Text(" ");
+        if (s->ready() || s->failed()) {
+
+            // clone button
             if ( s->failed() ) {
                 ImGuiToolkit::ButtonDisabled( ICON_FA_SHARE_SQUARE " Clone & Filter", ImVec2(ImGui::GetContentRegionAvail().x, 0));
             }
@@ -3603,7 +3608,7 @@ void Navigator::RenderSourcePannel(Source *s, const ImVec2 &iconsize)
                 }
                 ImGui::PopStyleColor(1);
             }
-
+        }
         ImGui::End();
     }
 }