commit 4c29546e1578e8940672c52209322b970acca34d
author Erik Språng <sprang@webrtc.org> Fri May 24 11:48:34 2019
committer Commit Bot <commit-bot@chromium.org> Fri May 24 13:47:06 2019
tree 8045e93cb9ab36d24cdbef0c1045fcd3e6e8331f
parent 4b27648d8b3279415d7249a7046eca74b684dcdc

Add test to cover bug in vp9 wrapper, triggered by field trial

This CL adds test coverage for the following fix:
https://webrtc-review.googlesource.com/c/src/+/138076

Bug: webrtc:10155, b:133399415
Change-Id: I4a680ad493f448f8565b570d09d3eb60a744325b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/138260
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28061}

modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc

diff --git a/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc b/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc
index 30f61dc..a5d07cc 100644
--- a/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc
+++ b/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc
@@ -1344,4 +1344,31 @@
             31);
 }
 
+TEST_F(TestVp9Impl, EncodeWithDynamicRate) {
+  // Configured dynamic rate field trial and re-create the encoder.
+  test::ScopedFieldTrials field_trials(
+      "WebRTC-VideoRateControl/vp9_dynamic_rate:true/");
+  SetUp();
+
+  // Set 300kbps target with 100% headroom.
+  VideoEncoder::RateControlParameters params;
+  params.bandwidth_allocation = DataRate::bps(300000);
+  params.bitrate.SetBitrate(0, 0, params.bandwidth_allocation.bps());
+  params.framerate_fps = 30.0;
+
+  encoder_->SetRates(params);
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            encoder_->Encode(*NextInputFrame(), nullptr));
+  EncodedImage encoded_frame;
+  CodecSpecificInfo codec_specific_info;
+  ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info));
+
+  // Set no headroom and encode again.
+  params.bandwidth_allocation = DataRate::Zero();
+  encoder_->SetRates(params);
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            encoder_->Encode(*NextInputFrame(), nullptr));
+  ASSERT_TRUE(WaitForEncodedFrame(&encoded_frame, &codec_specific_info));
+}
+
 }  // namespace webrtc