shithub: libvpx

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vp9-aq-mode=3: Reset cyclic refresh under config/external size change.

If the application changes frame size (external size changes),
and aq-mode=3 is on, reset the cyclic refresh.

Modify the TestExternalResize unittest (longer run with more resize
actions). Without this change an assert would be triggered on this
longer test.

Change-Id: I0eefd2cd7ffa0c557cca96ae30d607034a2599ce

--- a/test/resize_test.cc

+++ b/test/resize_test.cc

@@ -94,13 +94,39 @@

   if (frame < 10)

     return val;

   if (frame < 20)

-    return val / 2;

+    return val * 3 / 4;

   if (frame < 30)

-    return val * 2 / 3;

+    return val / 2;

   if (frame < 40)

-    return val / 4;

+    return val;

   if (frame < 50)

-    return val * 7 / 8;

+    return val * 3 / 4;

+  if (frame < 60)

+    return val / 2;

+  if (frame < 70)

+    return val * 3 / 4;

+  if (frame < 80)

+    return val;

+  if (frame < 90)

+    return val * 3 / 4;

+  if (frame < 100)

+    return val / 2;

+  if (frame < 110)

+    return val * 3 / 4;

+  if (frame < 120)

+    return val;

+  if (frame < 130)

+    return val * 3 / 4;

+  if (frame < 140)

+    return val / 2;

+  if (frame < 150)

+    return val * 3 / 4;

+  if (frame < 160)

+    return val;

+  if (frame < 170)

+    return val / 2;

+  if (frame < 180)

+    return val * 3 / 4;

   return val;

 }

@@ -108,7 +134,7 @@

  public:

   ResizingVideoSource() {

     SetSize(kInitialWidth, kInitialHeight);

-    limit_ = 60;

+    limit_ = 200;

   }

   virtual ~ResizingVideoSource() {}

@@ -347,6 +373,8 @@

 TEST_P(ResizeRealtimeTest, TestExternalResizeWorks) {

   ResizingVideoSource video;

   DefaultConfig();

+  // Disable internal resize for this test.

+  cfg_.rc_resize_allowed = 0;

   change_bitrate_ = false;

   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

--- a/vp9/encoder/vp9_encoder.c

+++ b/vp9/encoder/vp9_encoder.c

@@ -1540,6 +1540,10 @@

   }

   update_frame_size(cpi);

+  if ((last_w != cpi->oxcf.width || last_h != cpi->oxcf.height) &&

+      cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)

+    vp9_cyclic_refresh_reset_resize(cpi);

+

   if ((cpi->svc.number_temporal_layers > 1 &&

       cpi->oxcf.rc_mode == VPX_CBR) ||

       ((cpi->svc.number_temporal_layers > 1 ||

-- 

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