From 577db6d42b8d83b3578c7e56b1391bdaca9cb705 Mon Sep 17 00:00:00 2001
From: Lajos Molnar <lajos@google.com>
Date: Tue, 11 Jun 2013 17:56:24 -0700
Subject: stagefright: synchronously change nativewindow crop

Only change the nativewindow crop before queuing frames
with the new crop.

Change-Id: Icd8a84c82e66a8be3d6bc1675c777b1de8dc39b9
Signed-off-by: Lajos Molnar <lajos@google.com>
Bug: 9395753
---
 media/libstagefright/ACodec.cpp | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

(limited to 'media/libstagefright/ACodec.cpp')

diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 64e3885..cf41cf2 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -2229,7 +2229,7 @@ void ACodec::processDeferredMessages() {
     }
 }
 
-void ACodec::sendFormatChange() {
+void ACodec::sendFormatChange(const sp<AMessage> &reply) {
     sp<AMessage> notify = mNotify->dup();
     notify->setInt32("what", kWhatOutputFormatChanged);
 
@@ -2294,14 +2294,12 @@ void ACodec::sendFormatChange() {
                         rect.nTop + rect.nHeight - 1);
 
                 if (mNativeWindow != NULL) {
-                    android_native_rect_t crop;
-                    crop.left = rect.nLeft;
-                    crop.top = rect.nTop;
-                    crop.right = rect.nLeft + rect.nWidth;
-                    crop.bottom = rect.nTop + rect.nHeight;
-
-                    CHECK_EQ(0, native_window_set_crop(
-                                mNativeWindow.get(), &crop));
+                    reply->setRect(
+                            "crop",
+                            rect.nLeft,
+                            rect.nTop,
+                            rect.nLeft + rect.nWidth,
+                            rect.nTop + rect.nHeight);
                 }
             }
             break;
@@ -3057,8 +3055,11 @@ bool ACodec::BaseState::onOMXFillBufferDone(
                 break;
             }
 
+            sp<AMessage> reply =
+                new AMessage(kWhatOutputBufferDrained, mCodec->id());
+
             if (!mCodec->mSentFormat) {
-                mCodec->sendFormatChange();
+                mCodec->sendFormatChange(reply);
             }
 
             info->mData->setRange(rangeOffset, rangeLength);
@@ -3081,9 +3082,6 @@ bool ACodec::BaseState::onOMXFillBufferDone(
             notify->setBuffer("buffer", info->mData);
             notify->setInt32("flags", flags);
 
-            sp<AMessage> reply =
-                new AMessage(kWhatOutputBufferDrained, mCodec->id());
-
             reply->setPointer("buffer-id", info->mBufferID);
 
             notify->setMessage("reply", reply);
@@ -3127,6 +3125,13 @@ void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
         mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
     CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
 
+    android_native_rect_t crop;
+    if (msg->findRect("crop",
+            &crop.left, &crop.top, &crop.right, &crop.bottom)) {
+        CHECK_EQ(0, native_window_set_crop(
+                mCodec->mNativeWindow.get(), &crop));
+    }
+
     int32_t render;
     if (mCodec->mNativeWindow != NULL
             && msg->findInt32("render", &render) && render != 0
-- 
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