From ffc2fcc19129c50b10323b1b0b5796969165fbae Mon Sep 17 00:00:00 2001
From: "Chris \"Koying\" Browet" <cbro@semperpax.com>
Date: Sun, 1 Jan 2017 17:45:45 +0100
Subject: reADD: [amcs] Handle Rotation

---
 .../Video/DVDVideoCodecAndroidMediaCodec.cpp       | 12 +++++
 .../HwDecRender/RendererMediaCodecSurface.cpp      | 57 ++++++++++++++++++++++
 2 files changed, 69 insertions(+)

diff --git a/xbmc/cores/VideoPlayer/DVDCodecs/Video/DVDVideoCodecAndroidMediaCodec.cpp b/xbmc/cores/VideoPlayer/DVDCodecs/Video/DVDVideoCodecAndroidMediaCodec.cpp
index 4029095698..7216817549 100644
--- a/xbmc/cores/VideoPlayer/DVDCodecs/Video/DVDVideoCodecAndroidMediaCodec.cpp
+++ b/xbmc/cores/VideoPlayer/DVDCodecs/Video/DVDVideoCodecAndroidMediaCodec.cpp
@@ -370,6 +370,11 @@ bool CDVDVideoCodecAndroidMediaCodec::Open(CDVDStreamInfo &hints, CDVDCodecOptio
     // Won't work reliably
     return false;
   }
+  else if (hints.orientation && m_render_surface && CJNIMediaFormat::GetSDKVersion() < 23)
+  {
+    CLog::Log(LOGERROR, "CDVDVideoCodecAndroidMediaCodec::Open - %s\n", "Surface does not support orientation before API 23");
+    return false;
+  }
   else if (!CSettings::GetInstance().GetBool(CSettings::SETTING_VIDEOPLAYER_USEMEDIACODEC) &&
            !CSettings::GetInstance().GetBool(CSettings::SETTING_VIDEOPLAYER_USEMEDIACODECSURFACE))
     return false;
@@ -964,6 +969,13 @@ bool CDVDVideoCodecAndroidMediaCodec::ConfigureMediaCodec(void)
   // some android devices forget to default the demux input max size
   mediaformat.setInteger(CJNIMediaFormat::KEY_MAX_INPUT_SIZE, 0);
 
+  if (CJNIBase::GetSDKVersion() >= 23 && m_render_surface)
+  {
+    // Handle rotation
+    mediaformat.setInteger(CJNIMediaFormat::KEY_ROTATION, m_hints.orientation);
+  }
+
+
   // handle codec extradata
   if (m_hints.extrasize)
   {
diff --git a/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererMediaCodecSurface.cpp b/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererMediaCodecSurface.cpp
index 1d759b5b45..a7287c6b72 100644
--- a/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererMediaCodecSurface.cpp
+++ b/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererMediaCodecSurface.cpp
@@ -147,6 +147,63 @@ bool CRendererMediaCodecSurface::RenderHook(int index)
       break;
     }
 
+
+    // Handle orientation
+    switch (m_renderOrientation)
+    {
+      case 90:
+      case 270:
+      {
+        int diffX = 0;
+        int diffY = 0;
+        int centerX = 0;
+        int centerY = 0;
+
+        int newWidth = dstRect.Height(); // new width is old height
+        int newHeight = dstRect.Width(); // new height is old width
+        int diffWidth = newWidth - dstRect.Width(); // difference between old and new width
+        int diffHeight = newHeight - dstRect.Height(); // difference between old and new height
+
+        // if the new width is bigger then the old or
+        // the new height is bigger then the old - we need to scale down
+        if (diffWidth > 0 || diffHeight > 0 )
+        {
+          float aspectRatio = GetAspectRatio();
+          // scale to fit screen width because
+          // the difference in width is bigger then the
+          // difference in height
+          if (diffWidth > diffHeight)
+          {
+            newWidth = dstRect.Width(); // clamp to the width of the old dest rect
+            newHeight *= aspectRatio;
+          }
+          else // scale to fit screen height
+          {
+            newHeight = dstRect.Height(); // clamp to the height of the old dest rect
+            newWidth /= aspectRatio;
+          }
+        }
+
+        // calculate the center point of the view
+        centerX = m_viewRect.x1 + m_viewRect.Width() / 2;
+        centerY = m_viewRect.y1 + m_viewRect.Height() / 2;
+
+        // calculate the number of pixels we need to go in each
+        // x direction from the center point
+        diffX = newWidth / 2;
+        // calculate the number of pixels we need to go in each
+        // y direction from the center point
+        diffY = newHeight / 2;
+
+        dstRect = CRect(centerX - diffX, centerY - diffY, centerX + diffX, centerY + diffY);
+
+        break;
+      }
+
+      default:
+        break;
+    }
+
     mci->RenderUpdate(srcRect, dstRect);
   }
   return true;
-- 
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