unified behavior stream and media player

Stream.cpp

@@ -81,7 +81,6 @@ void Stream::open(const std::string &gstreamer_description, int w, int h)
     if (isOpen())
         close();
 
-    execute_open();
 }
 
 
@@ -229,7 +228,6 @@ void Stream::close()
         gst_object_unref (pipeline_);
         pipeline_ = nullptr;
     }
-    desired_state_ = GST_STATE_PAUSED;
 
     // cleanup eventual remaining frame memory
     for(guint i = 0; i < N_FRAME; ++i){
@@ -312,7 +310,7 @@ bool Stream::live() const
 void Stream::play(bool on)
 {
     // ignore if disabled, and cannot play an image
-    if (!enabled_)
+    if (!enabled_ || single_frame_)
         return;
 
     // request state
@@ -353,6 +351,10 @@ void Stream::play(bool on)
 
 bool Stream::isPlaying(bool testpipeline) const
 {
+    // image cannot play
+    if (single_frame_)
+        return false;
+
     // if not ready yet, answer with requested state
     if ( !testpipeline || pipeline_ == nullptr || !enabled_)
         return desired_state_ == GST_STATE_PLAYING;
@@ -378,6 +380,7 @@ void Stream::init_texture(guint index)
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 
+    if (!single_frame_) {
         // set pbo image size
         pbo_size_ = height_ * width_ * 4;
 
@@ -417,6 +420,8 @@ void Stream::init_texture(guint index)
 #ifdef STREAM_DEBUG
         Log::Info("Stream %s Use Pixel Buffer Object texturing.", std::to_string(id_).c_str());
 #endif
+    }
+    glBindTexture(GL_TEXTURE_2D, 0);
 
 }
 
@@ -466,6 +471,7 @@ void Stream::fill_texture(guint index)
             glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width_, height_,
                             GL_RGBA, GL_UNSIGNED_BYTE, frame_[index].vframe.data[0]);
         }
+        glBindTexture(GL_TEXTURE_2D, 0);
     }
 }
 
@@ -476,12 +482,16 @@ void Stream::update()
         return;
 
     // not ready yet
-    if (!ready_)
+    if (!ready_){
+        // open the stream
+        execute_open();
+        // wait next frame to display
         return;
+    }
 
-//    // prevent unnecessary updates: disabled or already filled image
-//    if (!enabled_)
-//        return;
+    // prevent unnecessary updates: already filled image
+    if (single_frame_ && textureindex_>0)
+        return;
 
     // local variables before trying to update
     guint read_index = 0;

StreamSource.cpp

@@ -81,12 +81,12 @@ void StreamSource::init()
             // set the renderbuffer of the source and attach rendering nodes
             attach(renderbuffer);
 
-            // deep update to reorder
-            ++View::need_deep_update_;
-
             // force update of activation mode
             active_ = true;
 
+            // deep update to reorder
+            ++View::need_deep_update_;
+
             // done init
             initialized_ = true;
             Log::Info("Source '%s' linked to Stream %s", name().c_str(), std::to_string(stream_->id()).c_str());