shithub: libvpx

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vp9 svc: Add test for intra-only for 1 SL.

In this case, verify that a key frame is inserted.

Change-Id: I70aa1974de956e657e413a34fd8bbcddf5d20c2c

--- a/test/svc_end_to_end_test.cc

+++ b/test/svc_end_to_end_test.cc

@@ -110,6 +110,18 @@

         pkt->data.frame.spatial_layer_encoded[number_spatial_layers_ - 1] &&

         current_video_frame_ >= frame_to_sync_)

       num_nonref_frames_++;

+

+    if (intra_only_test_ && current_video_frame_ == frame_to_sync_) {

+      // Intra-only frame is only generated for spatial layers > 1 and <= 3,

+      // among other conditions (see constraint in set_intra_only_frame(). If

+      // intra-only is no allowed then encoder will insert key frame instead.

+      const bool key_frame =

+          (pkt->data.frame.flags & VPX_FRAME_IS_KEY) ? true : false;

+      if (number_spatial_layers_ == 1 || number_spatial_layers_ > 3)

+        ASSERT_TRUE(key_frame);

+      else

+        ASSERT_FALSE(key_frame);

+    }

   }

   virtual void MismatchHook(const vpx_image_t * /*img1*/,

@@ -345,6 +357,31 @@

   svc_layer_sync_.spatial_layer_sync[0] = 1;

   svc_layer_sync_.spatial_layer_sync[1] = 1;

   svc_layer_sync_.spatial_layer_sync[2] = 0;

+

+  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

+  cfg_.rc_target_bitrate = 600;

+  AssignLayerBitrates();

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+#if CONFIG_VP9_DECODER

+  // The non-reference frames are expected to be mismatched frames as the

+  // encoder will avoid loopfilter on these frames.

+  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+}

+

+// Start decoding from sync frame, insert intra-only on base/qvga layer. Decode

+// all layers. For 1 spatial layer, it inserts a key frame.

+TEST_P(SyncFrameOnePassCbrSvc, OnePassCbrSvc1SL3TLSyncFrameIntraOnlyQVGA) {

+  SetSvcConfig(1, 3);

+  frame_to_start_decode_ = 20;

+  frame_to_sync_ = 20;

+  decode_to_layer_before_sync_ = 0;

+  decode_to_layer_after_sync_ = 0;

+  intra_only_test_ = true;

+

+  // Set up svc layer sync structure.

+  svc_layer_sync_.base_layer_intra_only = 1;

+  svc_layer_sync_.spatial_layer_sync[0] = 1;

   ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

   cfg_.rc_target_bitrate = 600;