video_stream_input_state_provider_unittest.cc

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/*

 *  Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#include "call/adaptation/video_stream_input_state_provider.h"

#include <utility>

#include "api/video_codecs/video_encoder.h"

#include "call/adaptation/encoder_settings.h"

#include "call/adaptation/test/fake_frame_rate_provider.h"

#include "test/gtest.h"

namespace webrtc {

TEST(VideoStreamInputStateProviderTest, DefaultValues) {

  FakeFrameRateProvider frame_rate_provider;

  VideoStreamInputStateProvider input_state_provider(&frame_rate_provider);

  VideoStreamInputState input_state = input_state_provider.InputState();

  EXPECT_EQ(false, input_state.has_input());

  EXPECT_EQ(std::nullopt, input_state.frame_size_pixels());

  EXPECT_EQ(0, input_state.frames_per_second());

  EXPECT_EQ(VideoCodecType::kVideoCodecGeneric, input_state.video_codec_type());

  EXPECT_EQ(kDefaultMinPixelsPerFrame, input_state.min_pixels_per_frame());

  EXPECT_EQ(std::nullopt, input_state.single_active_stream_pixels());

TEST(VideoStreamInputStateProviderTest, ValuesSet) {

  FakeFrameRateProvider frame_rate_provider;

  VideoStreamInputStateProvider input_state_provider(&frame_rate_provider);

  input_state_provider.OnHasInputChanged(true);

  input_state_provider.OnFrameSizeObserved(42);

  frame_rate_provider.set_fps(123);

  VideoEncoder::EncoderInfo encoder_info;

  encoder_info.scaling_settings.min_pixels_per_frame = 1337;

  VideoEncoderConfig encoder_config;

  encoder_config.codec_type = VideoCodecType::kVideoCodecVP9;

  VideoCodec video_codec;

  video_codec.codecType = VideoCodecType::kVideoCodecVP8;

  video_codec.numberOfSimulcastStreams = 2;

  video_codec.simulcastStream[0].active = false;

  video_codec.simulcastStream[1].active = true;

  video_codec.simulcastStream[1].width = 111;

  video_codec.simulcastStream[1].height = 222;

  input_state_provider.OnEncoderSettingsChanged(EncoderSettings(

      std::move(encoder_info), std::move(encoder_config), video_codec));

  VideoStreamInputState input_state = input_state_provider.InputState();

  EXPECT_EQ(true, input_state.has_input());

  EXPECT_EQ(42, input_state.frame_size_pixels());

  EXPECT_EQ(123, input_state.frames_per_second());

  EXPECT_EQ(VideoCodecType::kVideoCodecVP9, input_state.video_codec_type());

  EXPECT_EQ(1337, input_state.min_pixels_per_frame());

  EXPECT_EQ(111 * 222, input_state.single_active_stream_pixels());

}  // namespace webrtc