Add svc_datarate_test.cc
Move svc tests to new svc_datarate_test.cc
Change-Id: Id91f6ac461e93e9bd665eac763c180931a36f28c
diff --git a/test/datarate_test.h b/test/datarate_test.h
new file mode 100644
index 0000000..9789d89
--- /dev/null
+++ b/test/datarate_test.h
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2019, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include "config/aom_config.h"
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+#include "test/y4m_video_source.h"
+#include "aom/aom_codec.h"
+
+namespace datarate_test {
+namespace {
+class DatarateTest : public ::libaom_test::EncoderTest {
+ public:
+ explicit DatarateTest(const ::libaom_test::CodecFactory *codec)
+ : EncoderTest(codec) {}
+
+ protected:
+ virtual ~DatarateTest() {}
+
+ virtual void SetUp() {
+ InitializeConfig();
+ ResetModel();
+ }
+
+ virtual void ResetModel() {
+ last_pts_ = 0;
+ bits_in_buffer_model_ = cfg_.rc_target_bitrate * cfg_.rc_buf_initial_sz;
+ frame_number_ = 0;
+ tot_frame_number_ = 0;
+ first_drop_ = 0;
+ num_drops_ = 0;
+ // Denoiser is off by default.
+ denoiser_on_ = 0;
+ bits_total_ = 0;
+ denoiser_offon_test_ = 0;
+ denoiser_offon_period_ = -1;
+ }
+
+ virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+ ::libaom_test::Encoder *encoder) {
+ if (video->frame() == 0) {
+ encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
+ encoder->Control(AV1E_SET_AQ_MODE, aq_mode_);
+ }
+
+ if (denoiser_offon_test_) {
+ ASSERT_GT(denoiser_offon_period_, 0)
+ << "denoiser_offon_period_ is not positive.";
+ if ((video->frame() + 1) % denoiser_offon_period_ == 0) {
+ // Flip denoiser_on_ periodically
+ denoiser_on_ ^= 1;
+ }
+ }
+
+ encoder->Control(AV1E_SET_NOISE_SENSITIVITY, denoiser_on_);
+
+ const aom_rational_t tb = video->timebase();
+ timebase_ = static_cast<double>(tb.num) / tb.den;
+ duration_ = 0;
+ }
+
+ virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
+ // Time since last timestamp = duration.
+ aom_codec_pts_t duration = pkt->data.frame.pts - last_pts_;
+
+ if (duration > 1) {
+ // If first drop not set and we have a drop set it to this time.
+ if (!first_drop_) first_drop_ = last_pts_ + 1;
+ // Update the number of frame drops.
+ num_drops_ += static_cast<int>(duration - 1);
+ // Update counter for total number of frames (#frames input to encoder).
+ // Needed for setting the proper layer_id below.
+ tot_frame_number_ += static_cast<int>(duration - 1);
+ }
+
+ // Add to the buffer the bits we'd expect from a constant bitrate server.
+ bits_in_buffer_model_ += static_cast<int64_t>(
+ duration * timebase_ * cfg_.rc_target_bitrate * 1000);
+
+ // Buffer should not go negative.
+ ASSERT_GE(bits_in_buffer_model_, 0)
+ << "Buffer Underrun at frame " << pkt->data.frame.pts;
+
+ const size_t frame_size_in_bits = pkt->data.frame.sz * 8;
+
+ // Update the total encoded bits.
+ bits_total_ += frame_size_in_bits;
+
+ // Update the most recent pts.
+ last_pts_ = pkt->data.frame.pts;
+ ++frame_number_;
+ ++tot_frame_number_;
+ }
+
+ virtual void EndPassHook(void) {
+ duration_ = (last_pts_ + 1) * timebase_;
+ // Effective file datarate:
+ effective_datarate_ = (bits_total_ / 1000.0) / duration_;
+ }
+
+ aom_codec_pts_t last_pts_;
+ double timebase_;
+ int frame_number_; // Counter for number of non-dropped/encoded frames.
+ int tot_frame_number_; // Counter for total number of input frames.
+ int64_t bits_total_;
+ double duration_;
+ double effective_datarate_;
+ int set_cpu_used_;
+ int64_t bits_in_buffer_model_;
+ aom_codec_pts_t first_drop_;
+ int num_drops_;
+ int denoiser_on_;
+ int denoiser_offon_test_;
+ int denoiser_offon_period_;
+ unsigned int aq_mode_;
+};
+
+} // namespace
+} // namespace datarate_test
