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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/173677">173677</a></dd>
<dt>Author</dt> <dd>bfulgham@apple.com</dd>
<dt>Date</dt> <dd>2014-09-16 16:12:12 -0700 (Tue, 16 Sep 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>[Mac] MediaPlayerPrivateAVFoundationObjC::paintWithVideoOutput doesn't work with rotated movies
https://bugs.webkit.org/show_bug.cgi?id=136872
Patch by Eric Carlson <eric.carlson@apple.com> on 2014-09-16
Reviewed by Tim Horton.
* platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjC.mm:
(WebCore::MediaPlayerPrivateAVFoundationObjC::paintWithImageGenerator): Add logging.
(WebCore::MediaPlayerPrivateAVFoundationObjC::paintWithVideoOutput): Apply the video track
preferred transform.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari6001branchSourceWebCoreChangeLog">branches/safari-600.1-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari6001branchSourceWebCoreplatformgraphicsavfoundationobjcMediaPlayerPrivateAVFoundationObjCmm">branches/safari-600.1-branch/Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjC.mm</a></li>
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<div id="patch">
<h3>Diff</h3>
<a id="branchessafari6001branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-600.1-branch/Source/WebCore/ChangeLog (173676 => 173677)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.1-branch/Source/WebCore/ChangeLog 2014-09-16 22:53:36 UTC (rev 173676)
+++ branches/safari-600.1-branch/Source/WebCore/ChangeLog 2014-09-16 23:12:12 UTC (rev 173677)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2014-09-16 Eric Carlson <eric.carlson@apple.com>
+
+ [Mac] MediaPlayerPrivateAVFoundationObjC::paintWithVideoOutput doesn't work with rotated movies
+ https://bugs.webkit.org/show_bug.cgi?id=136872
+
+ Reviewed by Tim Horton.
+
+ * platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjC.mm:
+ (WebCore::MediaPlayerPrivateAVFoundationObjC::paintWithImageGenerator): Add logging.
+ (WebCore::MediaPlayerPrivateAVFoundationObjC::paintWithVideoOutput): Apply the video track
+ preferred transform.
+
</ins><span class="cx"> 2014-09-16 Dana Burkart <dburkart@apple.com>
</span><span class="cx">
</span><span class="cx"> Merge r173635
</span></span></pre></div>
<a id="branchessafari6001branchSourceWebCoreplatformgraphicsavfoundationobjcMediaPlayerPrivateAVFoundationObjCmm"></a>
<div class="modfile"><h4>Modified: branches/safari-600.1-branch/Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjC.mm (173676 => 173677)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.1-branch/Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjC.mm 2014-09-16 22:53:36 UTC (rev 173676)
+++ branches/safari-600.1-branch/Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjC.mm 2014-09-16 23:12:12 UTC (rev 173677)
</span><span class="lines">@@ -1401,6 +1401,8 @@
</span><span class="cx">
</span><span class="cx"> void MediaPlayerPrivateAVFoundationObjC::paintWithImageGenerator(GraphicsContext* context, const IntRect& rect)
</span><span class="cx"> {
</span><ins>+ LOG(Media, "MediaPlayerPrivateAVFoundationObjC::paintWithImageGenerator(%p)", this);
+
</ins><span class="cx"> RetainPtr<CGImageRef> image = createImageForTimeInRect(currentTime(), rect);
</span><span class="cx"> if (image) {
</span><span class="cx"> GraphicsContextStateSaver stateSaver(*context);
</span><span class="lines">@@ -2002,18 +2004,28 @@
</span><span class="cx"> {
</span><span class="cx"> updateLastImage();
</span><span class="cx">
</span><del>- if (m_lastImage) {
- GraphicsContextStateSaver stateSaver(*context);
</del><ins>+ if (!m_lastImage)
+ return;
</ins><span class="cx">
</span><del>- IntRect imageRect(0, 0, CGImageGetWidth(m_lastImage.get()), CGImageGetHeight(m_lastImage.get()));
</del><ins>+ AVAssetTrack* firstEnabledVideoTrack = firstEnabledTrack([m_avAsset.get() tracksWithMediaCharacteristic:AVMediaCharacteristicVisual]);
+ if (!firstEnabledVideoTrack)
+ return;
</ins><span class="cx">
</span><del>- context->drawNativeImage(m_lastImage.get(), imageRect.size(), ColorSpaceDeviceRGB, outputRect, imageRect);
</del><ins>+ LOG(Media, "MediaPlayerPrivateAVFoundationObjC::paintWithVideoOutput(%p)", this);
</ins><span class="cx">
</span><del>- // If we have created an AVAssetImageGenerator in the past due to m_videoOutput not having an available
- // video frame, destroy it now that it is no longer needed.
- if (m_imageGenerator)
- destroyImageGenerator();
- }
</del><ins>+ GraphicsContextStateSaver stateSaver(*context);
+ FloatRect imageRect(0, 0, CGImageGetWidth(m_lastImage.get()), CGImageGetHeight(m_lastImage.get()));
+ AffineTransform videoTransform = [firstEnabledVideoTrack preferredTransform];
+ FloatRect transformedOutputRect = videoTransform.inverse().mapRect(outputRect);
+
+ context->concatCTM(videoTransform);
+ context->drawNativeImage(m_lastImage.get(), imageRect.size(), ColorSpaceDeviceRGB, transformedOutputRect, imageRect);
+
+ // If we have created an AVAssetImageGenerator in the past due to m_videoOutput not having an available
+ // video frame, destroy it now that it is no longer needed.
+ if (m_imageGenerator)
+ destroyImageGenerator();
+
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> PassNativeImagePtr MediaPlayerPrivateAVFoundationObjC::nativeImageForCurrentTime()
</span></span></pre>
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