diff options
Diffstat (limited to 'webrtc/modules/video_coding/main/source/media_optimization_unittest.cc')
| -rw-r--r-- | webrtc/modules/video_coding/main/source/media_optimization_unittest.cc | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/webrtc/modules/video_coding/main/source/media_optimization_unittest.cc b/webrtc/modules/video_coding/main/source/media_optimization_unittest.cc deleted file mode 100644 index be528d9932..0000000000 --- a/webrtc/modules/video_coding/main/source/media_optimization_unittest.cc +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Copyright (c) 2013 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 "testing/gtest/include/gtest/gtest.h" -#include "webrtc/modules/video_coding/main/source/media_optimization.h" -#include "webrtc/system_wrappers/include/clock.h" - -namespace webrtc { -namespace media_optimization { - -class TestMediaOptimization : public ::testing::Test { - protected: - enum { - kSampleRate = 90000 // RTP timestamps per second. - }; - - // Note: simulated clock starts at 1 seconds, since parts of webrtc use 0 as - // a special case (e.g. frame rate in media optimization). - TestMediaOptimization() - : clock_(1000), - media_opt_(&clock_), - frame_time_ms_(33), - next_timestamp_(0) {} - - // This method mimics what happens in VideoSender::AddVideoFrame. - void AddFrameAndAdvanceTime(uint32_t bitrate_bps, bool expect_frame_drop) { - bool frame_dropped = media_opt_.DropFrame(); - EXPECT_EQ(expect_frame_drop, frame_dropped); - if (!frame_dropped) { - size_t bytes_per_frame = bitrate_bps * frame_time_ms_ / (8 * 1000); - EncodedImage encoded_image; - encoded_image._length = bytes_per_frame; - encoded_image._timeStamp = next_timestamp_; - encoded_image._frameType = kVideoFrameKey; - ASSERT_EQ(VCM_OK, media_opt_.UpdateWithEncodedData(encoded_image)); - } - next_timestamp_ += frame_time_ms_ * kSampleRate / 1000; - clock_.AdvanceTimeMilliseconds(frame_time_ms_); - } - - SimulatedClock clock_; - MediaOptimization media_opt_; - int frame_time_ms_; - uint32_t next_timestamp_; -}; - - -TEST_F(TestMediaOptimization, VerifyMuting) { - // Enable video suspension with these limits. - // Suspend the video when the rate is below 50 kbps and resume when it gets - // above 50 + 10 kbps again. - const uint32_t kThresholdBps = 50000; - const uint32_t kWindowBps = 10000; - media_opt_.SuspendBelowMinBitrate(kThresholdBps, kWindowBps); - - // The video should not be suspended from the start. - EXPECT_FALSE(media_opt_.IsVideoSuspended()); - - uint32_t target_bitrate_kbps = 100; - media_opt_.SetTargetRates(target_bitrate_kbps * 1000, - 0, // Lossrate. - 100, // RTT in ms. - nullptr, nullptr); - media_opt_.EnableFrameDropper(true); - for (int time = 0; time < 2000; time += frame_time_ms_) { - ASSERT_NO_FATAL_FAILURE(AddFrameAndAdvanceTime(target_bitrate_kbps, false)); - } - - // Set the target rate below the limit for muting. - media_opt_.SetTargetRates(kThresholdBps - 1000, - 0, // Lossrate. - 100, // RTT in ms. - nullptr, nullptr); - // Expect the muter to engage immediately and stay muted. - // Test during 2 seconds. - for (int time = 0; time < 2000; time += frame_time_ms_) { - EXPECT_TRUE(media_opt_.IsVideoSuspended()); - ASSERT_NO_FATAL_FAILURE(AddFrameAndAdvanceTime(target_bitrate_kbps, true)); - } - - // Set the target above the limit for muting, but not above the - // limit + window. - media_opt_.SetTargetRates(kThresholdBps + 1000, - 0, // Lossrate. - 100, // RTT in ms. - nullptr, nullptr); - // Expect the muter to stay muted. - // Test during 2 seconds. - for (int time = 0; time < 2000; time += frame_time_ms_) { - EXPECT_TRUE(media_opt_.IsVideoSuspended()); - ASSERT_NO_FATAL_FAILURE(AddFrameAndAdvanceTime(target_bitrate_kbps, true)); - } - - // Set the target above limit + window. - media_opt_.SetTargetRates(kThresholdBps + kWindowBps + 1000, - 0, // Lossrate. - 100, // RTT in ms. - nullptr, nullptr); - // Expect the muter to disengage immediately. - // Test during 2 seconds. - for (int time = 0; time < 2000; time += frame_time_ms_) { - EXPECT_FALSE(media_opt_.IsVideoSuspended()); - ASSERT_NO_FATAL_FAILURE( - AddFrameAndAdvanceTime((kThresholdBps + kWindowBps) / 1000, false)); - } -} - -TEST_F(TestMediaOptimization, ProtectsUsingFecBitrateAboveCodecMax) { - static const int kCodecBitrateBps = 100000; - static const int kMaxBitrateBps = 130000; - - class ProtectionCallback : public VCMProtectionCallback { - int ProtectionRequest(const FecProtectionParams* delta_params, - const FecProtectionParams* key_params, - uint32_t* sent_video_rate_bps, - uint32_t* sent_nack_rate_bps, - uint32_t* sent_fec_rate_bps) override { - *sent_video_rate_bps = kCodecBitrateBps; - *sent_nack_rate_bps = 0; - *sent_fec_rate_bps = fec_rate_bps_; - return 0; - } - - public: - uint32_t fec_rate_bps_; - } protection_callback; - - media_opt_.SetProtectionMethod(kFec); - media_opt_.SetEncodingData(kVideoCodecVP8, kCodecBitrateBps, kCodecBitrateBps, - 640, 480, 30, 1, 1000); - - // Using 10% of codec bitrate for FEC, should still be able to use all of it. - protection_callback.fec_rate_bps_ = kCodecBitrateBps / 10; - uint32_t target_bitrate = media_opt_.SetTargetRates( - kMaxBitrateBps, 0, 0, &protection_callback, nullptr); - - EXPECT_EQ(kCodecBitrateBps, static_cast<int>(target_bitrate)); - - // Using as much for codec bitrate as fec rate, new target rate should share - // both equally, but only be half of max (since that ceiling should be hit). - protection_callback.fec_rate_bps_ = kCodecBitrateBps; - target_bitrate = media_opt_.SetTargetRates(kMaxBitrateBps, 128, 100, - &protection_callback, nullptr); - EXPECT_EQ(kMaxBitrateBps / 2, static_cast<int>(target_bitrate)); -} - -} // namespace media_optimization -} // namespace webrtc |