From 505aab41c0e8e79a49d4506344fcd9d220d5965b Mon Sep 17 00:00:00 2001
From: Chong Zhang <chz@google.com>
Date: Fri, 17 Jul 2015 16:25:03 -0700
Subject: fix soft renderer rotation

bug: 13222807
Change-Id: I6f6f417422d3a18117b594670bb23e3019d449bb
---
 include/media/stagefright/MediaCodec.h                    | 1 +
 media/libstagefright/MediaCodec.cpp                       | 6 +++++-
 media/libstagefright/colorconversion/SoftwareRenderer.cpp | 8 +++++---
 media/libstagefright/include/SoftwareRenderer.h           | 4 +++-
 4 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/include/media/stagefright/MediaCodec.h b/include/media/stagefright/MediaCodec.h
index 09cbe8f..720778b 100644
--- a/include/media/stagefright/MediaCodec.h
+++ b/include/media/stagefright/MediaCodec.h
@@ -299,6 +299,7 @@ private:
     bool mIsVideo;
     int32_t mVideoWidth;
     int32_t mVideoHeight;
+    int32_t mRotationDegrees;
 
     // initial create parameters
     AString mInitName;
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index fb32d3a..c9bd20b 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -251,6 +251,7 @@ MediaCodec::MediaCodec(const sp<ALooper> &looper)
       mIsVideo(false),
       mVideoWidth(0),
       mVideoHeight(0),
+      mRotationDegrees(0),
       mDequeueInputTimeoutGeneration(0),
       mDequeueInputReplyID(0),
       mDequeueOutputTimeoutGeneration(0),
@@ -413,6 +414,9 @@ status_t MediaCodec::configure(
     if (mIsVideo) {
         format->findInt32("width", &mVideoWidth);
         format->findInt32("height", &mVideoHeight);
+        if (!format->findInt32("rotation-degrees", &mRotationDegrees)) {
+            mRotationDegrees = 0;
+        }
     }
 
     msg->setMessage("format", format);
@@ -1313,7 +1317,7 @@ void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {
                         CHECK(msg->findString("mime", &mime));
 
                         if (mime.startsWithIgnoreCase("video/")) {
-                            mSoftRenderer = new SoftwareRenderer(mSurface);
+                            mSoftRenderer = new SoftwareRenderer(mSurface, mRotationDegrees);
                         }
                     }
 
diff --git a/media/libstagefright/colorconversion/SoftwareRenderer.cpp b/media/libstagefright/colorconversion/SoftwareRenderer.cpp
index d22451b..e92c192 100644
--- a/media/libstagefright/colorconversion/SoftwareRenderer.cpp
+++ b/media/libstagefright/colorconversion/SoftwareRenderer.cpp
@@ -38,7 +38,8 @@ static int ALIGN(int x, int y) {
     return (x + y - 1) & ~(y - 1);
 }
 
-SoftwareRenderer::SoftwareRenderer(const sp<ANativeWindow> &nativeWindow)
+SoftwareRenderer::SoftwareRenderer(
+        const sp<ANativeWindow> &nativeWindow, int32_t rotation)
     : mColorFormat(OMX_COLOR_FormatUnused),
       mConverter(NULL),
       mYUVMode(None),
@@ -50,7 +51,8 @@ SoftwareRenderer::SoftwareRenderer(const sp<ANativeWindow> &nativeWindow)
       mCropRight(0),
       mCropBottom(0),
       mCropWidth(0),
-      mCropHeight(0) {
+      mCropHeight(0),
+      mRotationDegrees(rotation) {
 }
 
 SoftwareRenderer::~SoftwareRenderer() {
@@ -181,7 +183,7 @@ void SoftwareRenderer::resetFormatIfChanged(const sp<AMessage> &format) {
 
     int32_t rotationDegrees;
     if (!format->findInt32("rotation-degrees", &rotationDegrees)) {
-        rotationDegrees = 0;
+        rotationDegrees = mRotationDegrees;
     }
     uint32_t transform;
     switch (rotationDegrees) {
diff --git a/media/libstagefright/include/SoftwareRenderer.h b/media/libstagefright/include/SoftwareRenderer.h
index 9e652d5..757b308 100644
--- a/media/libstagefright/include/SoftwareRenderer.h
+++ b/media/libstagefright/include/SoftwareRenderer.h
@@ -31,7 +31,8 @@ struct AMessage;
 
 class SoftwareRenderer {
 public:
-    explicit SoftwareRenderer(const sp<ANativeWindow> &nativeWindow);
+    explicit SoftwareRenderer(
+            const sp<ANativeWindow> &nativeWindow, int32_t rotation = 0);
 
     ~SoftwareRenderer();
 
@@ -52,6 +53,7 @@ private:
     int32_t mWidth, mHeight;
     int32_t mCropLeft, mCropTop, mCropRight, mCropBottom;
     int32_t mCropWidth, mCropHeight;
+    int32_t mRotationDegrees;
     FrameRenderTracker mRenderTracker;
 
     SoftwareRenderer(const SoftwareRenderer &);
-- 
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