1 files changed, 0 insertions, 278 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/codecs/test/video_codec_stats_impl.cc b/third_party/libwebrtc/modules/video_coding/codecs/test/video_codec_stats_impl.cc
deleted file mode 100644
index 9808e2a601..0000000000
--- a/third_party/libwebrtc/modules/video_coding/codecs/test/video_codec_stats_impl.cc
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- *  Copyright (c) 2023 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 "modules/video_coding/codecs/test/video_codec_stats_impl.h"
-
-#include <algorithm>
-
-#include "api/numerics/samples_stats_counter.h"
-#include "api/test/metrics/metrics_logger.h"
-#include "rtc_base/checks.h"
-#include "rtc_base/time_utils.h"
-
-namespace webrtc {
-namespace test {
-namespace {
-using Frame = VideoCodecStats::Frame;
-using Stream = VideoCodecStats::Stream;
-
-constexpr Frequency k90kHz = Frequency::Hertz(90000);
-
-class LeakyBucket {
- public:
-  LeakyBucket() : level_bits_(0) {}
-
-  // Updates bucket level and returns its current level in bits. Data is remove
-  // from bucket with rate equal to target bitrate of previous frame. Bucket
-  // level is tracked with floating point precision. Returned value of bucket
-  // level is rounded up.
-  int Update(const Frame& frame) {
-    RTC_CHECK(frame.target_bitrate) << "Bitrate must be specified.";
-
-    if (prev_frame_) {
-      RTC_CHECK_GT(frame.timestamp_rtp, prev_frame_->timestamp_rtp)
-          << "Timestamp must increase.";
-      TimeDelta passed =
-          (frame.timestamp_rtp - prev_frame_->timestamp_rtp) / k90kHz;
-      level_bits_ -=
-          prev_frame_->target_bitrate->bps() * passed.us() / 1000000.0;
-      level_bits_ = std::max(level_bits_, 0.0);
-    }
-
-    prev_frame_ = frame;
-
-    level_bits_ += frame.frame_size.bytes() * 8;
-    return static_cast<int>(std::ceil(level_bits_));
-  }
-
- private:
-  absl::optional<Frame> prev_frame_;
-  double level_bits_;
-};
-
-// Merges spatial layer frames into superframes.
-std::vector<Frame> Merge(const std::vector<Frame>& frames) {
-  std::vector<Frame> superframes;
-  // Map from frame timestamp to index in `superframes` vector.
-  std::map<uint32_t, int> index;
-
-  for (const auto& f : frames) {
-    if (index.find(f.timestamp_rtp) == index.end()) {
-      index[f.timestamp_rtp] = static_cast<int>(superframes.size());
-      superframes.push_back(f);
-      continue;
-    }
-
-    Frame& sf = superframes[index[f.timestamp_rtp]];
-
-    sf.width = std::max(sf.width, f.width);
-    sf.height = std::max(sf.height, f.height);
-    sf.frame_size += f.frame_size;
-    sf.keyframe |= f.keyframe;
-
-    sf.encode_time = std::max(sf.encode_time, f.encode_time);
-    sf.decode_time = std::max(sf.decode_time, f.decode_time);
-
-    if (f.spatial_idx > sf.spatial_idx) {
-      if (f.qp) {
-        sf.qp = f.qp;
-      }
-      if (f.psnr) {
-        sf.psnr = f.psnr;
-      }
-    }
-
-    sf.spatial_idx = std::max(sf.spatial_idx, f.spatial_idx);
-    sf.temporal_idx = std::max(sf.temporal_idx, f.temporal_idx);
-
-    sf.encoded |= f.encoded;
-    sf.decoded |= f.decoded;
-  }
-
-  return superframes;
-}
-
-Timestamp RtpToTime(uint32_t timestamp_rtp) {
-  return Timestamp::Micros((timestamp_rtp / k90kHz).us());
-}
-
-SamplesStatsCounter::StatsSample StatsSample(double value, Timestamp time) {
-  return SamplesStatsCounter::StatsSample{value, time};
-}
-
-TimeDelta CalcTotalDuration(const std::vector<Frame>& frames) {
-  RTC_CHECK(!frames.empty());
-  TimeDelta duration = TimeDelta::Zero();
-  if (frames.size() > 1) {
-    duration +=
-        (frames.rbegin()->timestamp_rtp - frames.begin()->timestamp_rtp) /
-        k90kHz;
-  }
-
-  // Add last frame duration. If target frame rate is provided, calculate frame
-  // duration from it. Otherwise, assume duration of last frame is the same as
-  // duration of preceding frame.
-  if (frames.rbegin()->target_framerate) {
-    duration += 1 / *frames.rbegin()->target_framerate;
-  } else {
-    RTC_CHECK_GT(frames.size(), 1u);
-    duration += (frames.rbegin()->timestamp_rtp -
-                 std::next(frames.rbegin())->timestamp_rtp) /
-                k90kHz;
-  }
-
-  return duration;
-}
-}  // namespace
-
-std::vector<Frame> VideoCodecStatsImpl::Slice(
-    absl::optional<Filter> filter) const {
-  std::vector<Frame> frames;
-  for (const auto& [frame_id, f] : frames_) {
-    if (filter.has_value()) {
-      if (filter->first_frame.has_value() &&
-          f.frame_num < *filter->first_frame) {
-        continue;
-      }
-      if (filter->last_frame.has_value() && f.frame_num > *filter->last_frame) {
-        continue;
-      }
-      if (filter->spatial_idx.has_value() &&
-          f.spatial_idx != *filter->spatial_idx) {
-        continue;
-      }
-      if (filter->temporal_idx.has_value() &&
-          f.temporal_idx > *filter->temporal_idx) {
-        continue;
-      }
-    }
-    frames.push_back(f);
-  }
-  return frames;
-}
-
-Stream VideoCodecStatsImpl::Aggregate(const std::vector<Frame>& frames) const {
-  std::vector<Frame> superframes = Merge(frames);
-  RTC_CHECK(!superframes.empty());
-
-  LeakyBucket leacky_bucket;
-  Stream stream;
-  for (size_t i = 0; i < superframes.size(); ++i) {
-    Frame& f = superframes[i];
-    Timestamp time = RtpToTime(f.timestamp_rtp);
-
-    if (!f.frame_size.IsZero()) {
-      stream.width.AddSample(StatsSample(f.width, time));
-      stream.height.AddSample(StatsSample(f.height, time));
-      stream.frame_size_bytes.AddSample(
-          StatsSample(f.frame_size.bytes(), time));
-      stream.keyframe.AddSample(StatsSample(f.keyframe, time));
-      if (f.qp) {
-        stream.qp.AddSample(StatsSample(*f.qp, time));
-      }
-    }
-
-    if (f.encoded) {
-      stream.encode_time_ms.AddSample(StatsSample(f.encode_time.ms(), time));
-    }
-
-    if (f.decoded) {
-      stream.decode_time_ms.AddSample(StatsSample(f.decode_time.ms(), time));
-    }
-
-    if (f.psnr) {
-      stream.psnr.y.AddSample(StatsSample(f.psnr->y, time));
-      stream.psnr.u.AddSample(StatsSample(f.psnr->u, time));
-      stream.psnr.v.AddSample(StatsSample(f.psnr->v, time));
-    }
-
-    if (f.target_framerate) {
-      stream.target_framerate_fps.AddSample(
-          StatsSample(f.target_framerate->millihertz() / 1000.0, time));
-    }
-
-    if (f.target_bitrate) {
-      stream.target_bitrate_kbps.AddSample(
-          StatsSample(f.target_bitrate->bps() / 1000.0, time));
-
-      int buffer_level_bits = leacky_bucket.Update(f);
-      stream.transmission_time_ms.AddSample(
-          StatsSample(buffer_level_bits * rtc::kNumMillisecsPerSec /
-                          f.target_bitrate->bps(),
-                      RtpToTime(f.timestamp_rtp)));
-    }
-  }
-
-  TimeDelta duration = CalcTotalDuration(superframes);
-  DataRate encoded_bitrate =
-      DataSize::Bytes(stream.frame_size_bytes.GetSum()) / duration;
-
-  int num_encoded_frames = stream.frame_size_bytes.NumSamples();
-  Frequency encoded_framerate = num_encoded_frames / duration;
-
-  absl::optional<double> bitrate_mismatch_pct;
-  if (auto target_bitrate = superframes.begin()->target_bitrate;
-      target_bitrate) {
-    bitrate_mismatch_pct = 100.0 *
-                           (encoded_bitrate.bps() - target_bitrate->bps()) /
-                           target_bitrate->bps();
-  }
-
-  absl::optional<double> framerate_mismatch_pct;
-  if (auto target_framerate = superframes.begin()->target_framerate;
-      target_framerate) {
-    framerate_mismatch_pct =
-        100.0 *
-        (encoded_framerate.millihertz() - target_framerate->millihertz()) /
-        target_framerate->millihertz();
-  }
-
-  for (auto& f : superframes) {
-    Timestamp time = RtpToTime(f.timestamp_rtp);
-    stream.encoded_bitrate_kbps.AddSample(
-        StatsSample(encoded_bitrate.bps() / 1000.0, time));
-
-    stream.encoded_framerate_fps.AddSample(
-        StatsSample(encoded_framerate.millihertz() / 1000.0, time));
-
-    if (bitrate_mismatch_pct) {
-      stream.bitrate_mismatch_pct.AddSample(
-          StatsSample(*bitrate_mismatch_pct, time));
-    }
-
-    if (framerate_mismatch_pct) {
-      stream.framerate_mismatch_pct.AddSample(
-          StatsSample(*framerate_mismatch_pct, time));
-    }
-  }
-
-  return stream;
-}
-
-void VideoCodecStatsImpl::AddFrame(const Frame& frame) {
-  FrameId frame_id{.timestamp_rtp = frame.timestamp_rtp,
-                   .spatial_idx = frame.spatial_idx};
-  RTC_CHECK(frames_.find(frame_id) == frames_.end())
-      << "Frame with timestamp_rtp=" << frame.timestamp_rtp
-      << " and spatial_idx=" << frame.spatial_idx << " already exists";
-
-  frames_[frame_id] = frame;
-}
-
-Frame* VideoCodecStatsImpl::GetFrame(uint32_t timestamp_rtp, int spatial_idx) {
-  FrameId frame_id{.timestamp_rtp = timestamp_rtp, .spatial_idx = spatial_idx};
-  if (frames_.find(frame_id) == frames_.end()) {
-    return nullptr;
-  }
-  return &frames_.find(frame_id)->second;
-}
-
-}  // namespace test
-}  // namespace webrtc