Migrate videoplayer to OSG logging system

extern/osg-ffmpeg-videoplayer/videoplayer.cpp

@@ -2,6 +2,7 @@
 
 #include <iostream>
 
+#include <osg/Notify>
 #include <osg/Texture2D>
 
 #include "audiofactory.hpp"
@@ -45,7 +46,7 @@ void VideoPlayer::playVideo(std::unique_ptr<std::istream>&& inputstream, const s
         }
     }
     catch(std::exception& e) {
-        std::cerr<< "Failed to play video: "<<e.what() <<std::endl;
+        OSG_FATAL << "Failed to play video: " << e.what() << std::endl;
         close();
     }
 }

extern/osg-ffmpeg-videoplayer/videostate.cpp

@@ -205,7 +205,7 @@ int VideoPicture::set_dimensions(int w, int h) {
   std::unique_ptr<AVFrame, VideoPicture::AVFrameDeleter> frame{
       av_frame_alloc()};
   if (frame == nullptr) {
-    std::cerr << "av_frame_alloc failed" << std::endl;
+    OSG_FATAL << "av_frame_alloc failed" << std::endl;
     return -1;
   }
 
@@ -215,7 +215,7 @@ int VideoPicture::set_dimensions(int w, int h) {
   frame->height = h;
   if (av_image_alloc(frame->data, frame->linesize, frame->width, frame->height,
                      kPixFmt, 1) < 0) {
-    std::cerr << "av_image_alloc failed" << std::endl;
+    OSG_FATAL << "av_image_alloc failed" << std::endl;
     return -1;
   }
 
@@ -442,7 +442,7 @@ public:
             }
             catch(std::exception& e)
             {
-                std::cerr << "An error occurred playing the video: " << e.what () << std::endl;
+                OSG_FATAL << "An error occurred playing the video: " << e.what() << std::endl;
             }
         })
     {
@@ -567,9 +567,9 @@ public:
                     {
 // In the FFMpeg 4.0 a "filename" field was replaced by "url"
 #if LIBAVCODEC_VERSION_INT < 3805796
-                        std::cerr << "Error seeking " << self->format_ctx->filename << std::endl;
+                        OSG_FATAL << "Error seeking " << self->format_ctx->filename << std::endl;
 #else
-                        std::cerr << "Error seeking " << self->format_ctx->url << std::endl;
+                        OSG_FATAL << "Error seeking " << self->format_ctx->url << std::endl;
 #endif
                     }
                     else
@@ -635,7 +635,7 @@ public:
             }
         }
         catch(std::exception& e) {
-            std::cerr << "An error occurred playing the video: " << e.what () << std::endl;
+            OSG_FATAL << "An error occurred playing the video: " << e.what() << std::endl;
         }
 
         self->mQuit = true;
@@ -689,7 +689,7 @@ int VideoState::stream_open(int stream_index, AVFormatContext *pFormatCtx)
 
         if (!mAudioFactory)
         {
-            std::cerr << "No audio factory registered, can not play audio stream" << std::endl;
+            OSG_FATAL << "No audio factory registered, can not play audio stream" << std::endl;
             avcodec_free_context(&this->audio_ctx);
             this->audio_st = nullptr;
             return -1;
@@ -698,7 +698,7 @@ int VideoState::stream_open(int stream_index, AVFormatContext *pFormatCtx)
         mAudioDecoder = mAudioFactory->createDecoder(this);
         if (!mAudioDecoder)
         {
-            std::cerr << "Failed to create audio decoder, can not play audio stream" << std::endl;
+            OSG_FATAL << "Failed to create audio decoder, can not play audio stream" << std::endl;
             avcodec_free_context(&this->audio_ctx);
             this->audio_st = nullptr;
             return -1;