[planetblupi] 19/61: Clear the texture when the movie is starting

[Didier Raboud]

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odyx pushed a commit to branch debian/master
in repository planetblupi.

commit c8cf431e389580fd94e7ce7e4c7bcefb265dd93c
Author: Mathieu Schroeter <mathieu at schroetersa.ch>
Date:   Sat Oct 21 21:30:26 2017 +0200

    Clear the texture when the movie is starting
    
    Otherwise it's possible to see garbage with the first frame.
---
 src/movie.cxx | 14 +++++++++++++-
 src/movie.h   |  1 +
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/movie.cxx b/src/movie.cxx
index 7b22e84..a7172bf 100644
--- a/src/movie.cxx
+++ b/src/movie.cxx
@@ -121,7 +121,7 @@ CMovie::fileOpenMovie (const std::string & pFilename)
     SDL_PauseAudioDevice (m_audioDev, 0);
 
     m_videoTex = SDL_CreateTexture (
-      g_renderer, info.video.format, SDL_TEXTUREACCESS_STATIC, info.video.width,
+      g_renderer, info.video.format, SDL_TEXTUREACCESS_TARGET, info.video.width,
       info.video.height);
 
     if (m_videoTex == nullptr)
@@ -146,7 +146,10 @@ CMovie::playMovie ()
 
   // play/pause the AVI movie
   if (m_fPlaying)
+  {
+    this->starting = true;
     Kit_PlayerPlay (m_player);
+  }
   else
     Kit_PlayerPause (m_player);
 }
@@ -290,6 +293,15 @@ CMovie::Render ()
   SDL_SetRenderDrawColor (g_renderer, 0, 0, 0, 255);
   SDL_RenderClear (g_renderer);
 
+  if (this->starting)
+  {
+    SDL_SetRenderTarget (g_renderer, m_videoTex);
+    SDL_SetRenderDrawColor (g_renderer, 0, 0, 0, 255);
+    SDL_RenderClear (g_renderer);
+    SDL_SetRenderTarget (g_renderer, nullptr);
+    this->starting = false;
+  }
+
   // Refresh videotexture and render it
   Kit_GetVideoData (m_player, m_videoTex);
   SDL_RenderCopy (g_renderer, m_videoTex, nullptr, nullptr);
diff --git a/src/movie.h b/src/movie.h
index 9c2f61d..bd9098f 100644
--- a/src/movie.h
+++ b/src/movie.h
@@ -60,6 +60,7 @@ protected:
 
   char m_audiobuf[AUDIOBUFFER_SIZE];
   bool m_bEnable;
+  bool starting;
   bool m_fPlaying;   // Play flag: true == playing, false == paused
   bool m_fMovieOpen; // Open flag: true == movie open, false = none
 };

-- 
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