vp9: Add nonref frame buffer test.

The new test will run a SVC bitstream which has non ref frames.
It checks the number of buffer acquired and released to make sure all
external frame buffers are released.

Add a new test bitstream:
vp90-2-22-svc_1280x720_1.webm
which has 400 frames in total, and 1 spatial layer and 2 temporal layers.
There is one non ref frame every other frame.

Disabled for now. Will be enabled with the fix.

BUG=b/68819248

Change-Id: I0515336fd9809a9e1fceba90e4dce53dabaf53a5

test/external_frame_buffer_test.cc

@@ -34,7 +34,8 @@ struct ExternalFrameBuffer {
 // Class to manipulate a list of external frame buffers.
 class ExternalFrameBufferList {
  public:
-  ExternalFrameBufferList() : num_buffers_(0), ext_fb_list_(NULL) {}
+  ExternalFrameBufferList()
+      : num_buffers_(0), num_used_buffers_(0), ext_fb_list_(NULL) {}
 
   virtual ~ExternalFrameBufferList() {
     for (int i = 0; i < num_buffers_; ++i) {
@@ -71,6 +72,8 @@ class ExternalFrameBufferList {
     }
 
     SetFrameBuffer(idx, fb);
+
+    num_used_buffers_++;
     return 0;
   }
 
@@ -106,6 +109,7 @@ class ExternalFrameBufferList {
     }
     EXPECT_EQ(1, ext_fb->in_use);
     ext_fb->in_use = 0;
+    num_used_buffers_--;
     return 0;
   }
 
@@ -121,6 +125,8 @@ class ExternalFrameBufferList {
     }
   }
 
+  int num_used_buffers() const { return num_used_buffers_; }
+
  private:
   // Returns the index of the first free frame buffer. Returns |num_buffers_|
   // if there are no free frame buffers.
@@ -145,6 +151,7 @@ class ExternalFrameBufferList {
   }
 
   int num_buffers_;
+  int num_used_buffers_;
   ExternalFrameBuffer *ext_fb_list_;
 };
 
@@ -273,6 +280,7 @@ class ExternalFrameBufferMD5Test
 
 #if CONFIG_WEBM_IO
 const char kVP9TestFile[] = "vp90-2-02-size-lf-1920x1080.webm";
+const char kVP9NonRefTestFile[] = "vp90-2-22-svc_1280x720_1.webm";
 
 // Class for testing passing in external frame buffers to libvpx.
 class ExternalFrameBufferTest : public ::testing::Test {
@@ -292,7 +300,9 @@ class ExternalFrameBufferTest : public ::testing::Test {
 
   virtual void TearDown() {
     delete decoder_;
+    decoder_ = NULL;
     delete video_;
+    video_ = NULL;
   }
 
   // Passes the external frame buffer information to libvpx.
@@ -325,7 +335,7 @@ class ExternalFrameBufferTest : public ::testing::Test {
     return VPX_CODEC_OK;
   }
 
- private:
+ protected:
   void CheckDecodedFrames() {
     libvpx_test::DxDataIterator dec_iter = decoder_->GetDxData();
     const vpx_image_t *img = NULL;
@@ -341,6 +351,25 @@ class ExternalFrameBufferTest : public ::testing::Test {
   int num_buffers_;
   ExternalFrameBufferList fb_list_;
 };
+
+class ExternalFrameBufferNonRefTest : public ExternalFrameBufferTest {
+ protected:
+  virtual void SetUp() {
+    video_ = new libvpx_test::WebMVideoSource(kVP9NonRefTestFile);
+    ASSERT_TRUE(video_ != NULL);
+    video_->Init();
+    video_->Begin();
+
+    vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
+    decoder_ = new libvpx_test::VP9Decoder(cfg, 0);
+    ASSERT_TRUE(decoder_ != NULL);
+  }
+
+  virtual void CheckFrameBufferRelease() {
+    TearDown();
+    ASSERT_EQ(0, fb_list_.num_used_buffers());
+  }
+};
 #endif  // CONFIG_WEBM_IO
 
 // This test runs through the set of test vectors, and decodes them.
@@ -419,6 +448,8 @@ TEST_F(ExternalFrameBufferTest, NotEnoughBuffers) {
             SetFrameBufferFunctions(num_buffers, get_vp9_frame_buffer,
                                     release_vp9_frame_buffer));
   ASSERT_EQ(VPX_CODEC_OK, DecodeOneFrame());
+  // Only run this on long clips. Decoding a very short clip will return
+  // VPX_CODEC_OK even with only 2 buffers.
   ASSERT_EQ(VPX_CODEC_MEM_ERROR, DecodeRemainingFrames());
 }
 
@@ -467,6 +498,15 @@ TEST_F(ExternalFrameBufferTest, SetAfterDecode) {
             SetFrameBufferFunctions(num_buffers, get_vp9_frame_buffer,
                                     release_vp9_frame_buffer));
 }
+
+TEST_F(ExternalFrameBufferNonRefTest, DISABLED_ReleaseNonRefFrameBuffer) {
+  const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS;
+  ASSERT_EQ(VPX_CODEC_OK,
+            SetFrameBufferFunctions(num_buffers, get_vp9_frame_buffer,
+                                    release_vp9_frame_buffer));
+  ASSERT_EQ(VPX_CODEC_OK, DecodeRemainingFrames());
+  CheckFrameBufferRelease();
+}
 #endif  // CONFIG_WEBM_IO
 
 VP9_INSTANTIATE_TEST_CASE(

test/test-data.mk

@@ -878,3 +878,5 @@ LIBVPX_TEST_DATA-$(CONFIG_VP9_DECODER) += vp90-2-21-resize_inter_1920x1080_7_3-4
 LIBVPX_TEST_DATA-$(CONFIG_VP9_DECODER) += vp90-2-21-resize_inter_1920x1080_7_3-4.webm.md5
 LIBVPX_TEST_DATA-$(CONFIG_VP9_DECODER) += vp90-2-22-svc_1280x720_3.ivf
 LIBVPX_TEST_DATA-$(CONFIG_VP9_DECODER) += vp90-2-22-svc_1280x720_3.ivf.md5
+LIBVPX_TEST_DATA-$(CONFIG_VP9_DECODER) += vp90-2-22-svc_1280x720_1.webm
+LIBVPX_TEST_DATA-$(CONFIG_VP9_DECODER) += vp90-2-22-svc_1280x720_1.webm.md5

test/test-data.sha1

@@ -852,3 +852,5 @@ e402cbbf9e550ae017a1e9f1f73931c1d18474e8 *invalid-crbug-667044.webm
 d3964f9dad9f60363c81b688324d95b4ec7c8038 *invalid-crbug-667044.webm.res
 fd9df7f3f6992af1d7a9dde975c9a0d6f28c053d *invalid-bug-1443.ivf
 fd3020fa6e9ca5966206738654c97dec313b0a95 *invalid-bug-1443.ivf.res
+17696cd21e875f1d6e5d418cbf89feab02c8850a *vp90-2-22-svc_1280x720_1.webm
+e2f9e1e47a791b4e939a9bdc50bf7a25b3761f77 *vp90-2-22-svc_1280x720_1.webm.md5

test/test_vectors.cc

@@ -371,6 +371,7 @@ const char *const kVP9TestVectors[] = {
 #endif  // CONFIG_VP9_HIGHBITDEPTH
   "vp90-2-20-big_superframe-01.webm",
   "vp90-2-20-big_superframe-02.webm",
+  "vp90-2-22-svc_1280x720_1.webm",
   RESIZE_TEST_VECTORS
 };
 const char *const kVP9TestVectorsSvc[] = { "vp90-2-22-svc_1280x720_3.ivf" };