Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 179 insertions, 0 deletions

diff --git a/third_party/libwebrtc/test/fake_encoder.h b/third_party/libwebrtc/test/fake_encoder.h
new file mode 100644
index 0000000000..65e03155d7
--- /dev/null
+++ b/third_party/libwebrtc/test/fake_encoder.h
@@ -0,0 +1,179 @@
+/*
+ *  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.
+ */
+
+#ifndef TEST_FAKE_ENCODER_H_
+#define TEST_FAKE_ENCODER_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <memory>
+#include <vector>
+
+#include "api/fec_controller_override.h"
+#include "api/sequence_checker.h"
+#include "api/task_queue/task_queue_factory.h"
+#include "api/video/encoded_image.h"
+#include "api/video/video_bitrate_allocation.h"
+#include "api/video/video_frame.h"
+#include "api/video_codecs/video_codec.h"
+#include "api/video_codecs/video_encoder.h"
+#include "modules/video_coding/include/video_codec_interface.h"
+#include "rtc_base/synchronization/mutex.h"
+#include "rtc_base/thread_annotations.h"
+#include "system_wrappers/include/clock.h"
+
+namespace webrtc {
+namespace test {
+
+class FakeEncoder : public VideoEncoder {
+ public:
+  explicit FakeEncoder(Clock* clock);
+  virtual ~FakeEncoder() = default;
+
+  // Sets max bitrate. Not thread-safe, call before registering the encoder.
+  void SetMaxBitrate(int max_kbps) RTC_LOCKS_EXCLUDED(mutex_);
+  void SetQp(int qp) RTC_LOCKS_EXCLUDED(mutex_);
+
+  void SetFecControllerOverride(
+      FecControllerOverride* fec_controller_override) override;
+
+  int32_t InitEncode(const VideoCodec* config, const Settings& settings)
+      RTC_LOCKS_EXCLUDED(mutex_) override;
+  int32_t Encode(const VideoFrame& input_image,
+                 const std::vector<VideoFrameType>* frame_types)
+      RTC_LOCKS_EXCLUDED(mutex_) override;
+  int32_t RegisterEncodeCompleteCallback(EncodedImageCallback* callback)
+      RTC_LOCKS_EXCLUDED(mutex_) override;
+  int32_t Release() override;
+  void SetRates(const RateControlParameters& parameters)
+      RTC_LOCKS_EXCLUDED(mutex_) override;
+  EncoderInfo GetEncoderInfo() const override;
+
+  int GetConfiguredInputFramerate() const RTC_LOCKS_EXCLUDED(mutex_);
+  int GetNumInitializations() const RTC_LOCKS_EXCLUDED(mutex_);
+  const VideoCodec& config() const RTC_LOCKS_EXCLUDED(mutex_);
+
+  static const char* kImplementationName;
+
+ protected:
+  struct FrameInfo {
+    bool keyframe;
+    struct SpatialLayer {
+      SpatialLayer() = default;
+      SpatialLayer(int size, int temporal_id)
+          : size(size), temporal_id(temporal_id) {}
+      // Size of a current frame in the layer.
+      int size = 0;
+      // Temporal index of a current frame in the layer.
+      int temporal_id = 0;
+    };
+    std::vector<SpatialLayer> layers;
+  };
+
+  FrameInfo NextFrame(const std::vector<VideoFrameType>* frame_types,
+                      bool keyframe,
+                      uint8_t num_simulcast_streams,
+                      const VideoBitrateAllocation& target_bitrate,
+                      SimulcastStream simulcast_streams[kMaxSimulcastStreams],
+                      int framerate) RTC_LOCKS_EXCLUDED(mutex_);
+
+  // Called before the frame is passed to callback_->OnEncodedImage, to let
+  // subclasses fill out CodecSpecificInfo, possibly modify `encoded_image` or
+  // `buffer`.
+  virtual CodecSpecificInfo EncodeHook(
+      EncodedImage& encoded_image,
+      rtc::scoped_refptr<EncodedImageBuffer> buffer);
+
+  void SetRatesLocked(const RateControlParameters& parameters)
+      RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
+
+  FrameInfo last_frame_info_ RTC_GUARDED_BY(mutex_);
+  Clock* const clock_;
+
+  VideoCodec config_ RTC_GUARDED_BY(mutex_);
+  int num_initializations_ RTC_GUARDED_BY(mutex_);
+  EncodedImageCallback* callback_ RTC_GUARDED_BY(mutex_);
+  RateControlParameters current_rate_settings_ RTC_GUARDED_BY(mutex_);
+  int max_target_bitrate_kbps_ RTC_GUARDED_BY(mutex_);
+  bool pending_keyframe_ RTC_GUARDED_BY(mutex_);
+  uint32_t counter_ RTC_GUARDED_BY(mutex_);
+  mutable Mutex mutex_;
+  bool used_layers_[kMaxSimulcastStreams];
+  absl::optional<int> qp_ RTC_GUARDED_BY(mutex_);
+
+  // Current byte debt to be payed over a number of frames.
+  // The debt is acquired by keyframes overshooting the bitrate target.
+  size_t debt_bytes_;
+};
+
+class FakeH264Encoder : public FakeEncoder {
+ public:
+  explicit FakeH264Encoder(Clock* clock);
+  virtual ~FakeH264Encoder() = default;
+
+ private:
+  CodecSpecificInfo EncodeHook(
+      EncodedImage& encoded_image,
+      rtc::scoped_refptr<EncodedImageBuffer> buffer) override;
+
+  int idr_counter_ RTC_GUARDED_BY(local_mutex_);
+  Mutex local_mutex_;
+};
+
+class DelayedEncoder : public test::FakeEncoder {
+ public:
+  DelayedEncoder(Clock* clock, int delay_ms);
+  virtual ~DelayedEncoder() = default;
+
+  void SetDelay(int delay_ms);
+  int32_t Encode(const VideoFrame& input_image,
+                 const std::vector<VideoFrameType>* frame_types) override;
+
+ private:
+  int delay_ms_ RTC_GUARDED_BY(sequence_checker_);
+  SequenceChecker sequence_checker_;
+};
+
+// This class implements a multi-threaded fake encoder by posting
+// FakeH264Encoder::Encode(.) tasks to `queue1_` and `queue2_`, in an
+// alternating fashion. The class itself does not need to be thread safe,
+// as it is called from the task queue in VideoStreamEncoder.
+class MultithreadedFakeH264Encoder : public test::FakeH264Encoder {
+ public:
+  MultithreadedFakeH264Encoder(Clock* clock,
+                               TaskQueueFactory* task_queue_factory);
+  virtual ~MultithreadedFakeH264Encoder() = default;
+
+  int32_t InitEncode(const VideoCodec* config,
+                     const Settings& settings) override;
+
+  int32_t Encode(const VideoFrame& input_image,
+                 const std::vector<VideoFrameType>* frame_types) override;
+
+  int32_t EncodeCallback(const VideoFrame& input_image,
+                         const std::vector<VideoFrameType>* frame_types);
+
+  int32_t Release() override;
+
+ protected:
+  TaskQueueFactory* const task_queue_factory_;
+  int current_queue_ RTC_GUARDED_BY(sequence_checker_);
+  std::unique_ptr<TaskQueueBase, TaskQueueDeleter> queue1_
+      RTC_GUARDED_BY(sequence_checker_);
+  std::unique_ptr<TaskQueueBase, TaskQueueDeleter> queue2_
+      RTC_GUARDED_BY(sequence_checker_);
+  SequenceChecker sequence_checker_;
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // TEST_FAKE_ENCODER_H_