Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 184 insertions, 0 deletions

diff --git a/third_party/libwebrtc/pc/video_rtp_receiver.h b/third_party/libwebrtc/pc/video_rtp_receiver.h
new file mode 100644
index 0000000000..ef88016052
--- /dev/null
+++ b/third_party/libwebrtc/pc/video_rtp_receiver.h
@@ -0,0 +1,184 @@
+/*
+ *  Copyright 2019 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 PC_VIDEO_RTP_RECEIVER_H_
+#define PC_VIDEO_RTP_RECEIVER_H_
+
+#include <stdint.h>
+
+#include <string>
+#include <vector>
+
+#include "absl/types/optional.h"
+#include "api/crypto/frame_decryptor_interface.h"
+#include "api/dtls_transport_interface.h"
+#include "api/frame_transformer_interface.h"
+#include "api/media_stream_interface.h"
+#include "api/media_types.h"
+#include "api/rtp_parameters.h"
+#include "api/rtp_receiver_interface.h"
+#include "api/scoped_refptr.h"
+#include "api/sequence_checker.h"
+#include "api/transport/rtp/rtp_source.h"
+#include "api/video/video_frame.h"
+#include "api/video/video_sink_interface.h"
+#include "api/video/video_source_interface.h"
+#include "media/base/media_channel.h"
+#include "pc/jitter_buffer_delay.h"
+#include "pc/media_stream_track_proxy.h"
+#include "pc/rtp_receiver.h"
+#include "pc/video_rtp_track_source.h"
+#include "pc/video_track.h"
+#include "rtc_base/system/no_unique_address.h"
+#include "rtc_base/thread.h"
+#include "rtc_base/thread_annotations.h"
+
+namespace webrtc {
+
+class VideoRtpReceiver : public RtpReceiverInternal {
+ public:
+  // An SSRC of 0 will create a receiver that will match the first SSRC it
+  // sees. Must be called on signaling thread.
+  VideoRtpReceiver(rtc::Thread* worker_thread,
+                   std::string receiver_id,
+                   std::vector<std::string> streams_ids);
+  // TODO(hbos): Remove this when streams() is removed.
+  // https://crbug.com/webrtc/9480
+  VideoRtpReceiver(
+      rtc::Thread* worker_thread,
+      const std::string& receiver_id,
+      const std::vector<rtc::scoped_refptr<MediaStreamInterface>>& streams);
+
+  virtual ~VideoRtpReceiver();
+
+  rtc::scoped_refptr<VideoTrackInterface> video_track() const { return track_; }
+
+  // RtpReceiverInterface implementation
+  rtc::scoped_refptr<MediaStreamTrackInterface> track() const override {
+    return track_;
+  }
+  rtc::scoped_refptr<DtlsTransportInterface> dtls_transport() const override;
+  std::vector<std::string> stream_ids() const override;
+  std::vector<rtc::scoped_refptr<MediaStreamInterface>> streams()
+      const override;
+  cricket::MediaType media_type() const override {
+    return cricket::MEDIA_TYPE_VIDEO;
+  }
+
+  std::string id() const override { return id_; }
+
+  RtpParameters GetParameters() const override;
+
+  void SetFrameDecryptor(
+      rtc::scoped_refptr<FrameDecryptorInterface> frame_decryptor) override;
+
+  rtc::scoped_refptr<FrameDecryptorInterface> GetFrameDecryptor()
+      const override;
+
+  void SetDepacketizerToDecoderFrameTransformer(
+      rtc::scoped_refptr<FrameTransformerInterface> frame_transformer) override;
+
+  // RtpReceiverInternal implementation.
+  void Stop() override;
+  void SetupMediaChannel(uint32_t ssrc) override;
+  void SetupUnsignaledMediaChannel() override;
+  absl::optional<uint32_t> ssrc() const override;
+  void NotifyFirstPacketReceived() override;
+  void set_stream_ids(std::vector<std::string> stream_ids) override;
+  void set_transport(
+      rtc::scoped_refptr<DtlsTransportInterface> dtls_transport) override;
+  void SetStreams(const std::vector<rtc::scoped_refptr<MediaStreamInterface>>&
+                      streams) override;
+
+  void SetObserver(RtpReceiverObserverInterface* observer) override;
+
+  void SetJitterBufferMinimumDelay(
+      absl::optional<double> delay_seconds) override;
+
+  void SetMediaChannel(
+      cricket::MediaReceiveChannelInterface* media_channel) override;
+
+  int AttachmentId() const override { return attachment_id_; }
+
+  std::vector<RtpSource> GetSources() const override;
+
+  // Combines SetMediaChannel, SetupMediaChannel and
+  // SetupUnsignaledMediaChannel.
+  void SetupMediaChannel(absl::optional<uint32_t> ssrc,
+                         cricket::MediaReceiveChannelInterface* media_channel);
+
+ private:
+  void RestartMediaChannel(absl::optional<uint32_t> ssrc)
+      RTC_RUN_ON(&signaling_thread_checker_);
+  void RestartMediaChannel_w(absl::optional<uint32_t> ssrc,
+                             MediaSourceInterface::SourceState state)
+      RTC_RUN_ON(worker_thread_);
+  void SetSink(rtc::VideoSinkInterface<VideoFrame>* sink)
+      RTC_RUN_ON(worker_thread_);
+  void SetMediaChannel_w(cricket::MediaReceiveChannelInterface* media_channel)
+      RTC_RUN_ON(worker_thread_);
+
+  // VideoRtpTrackSource::Callback
+  void OnGenerateKeyFrame();
+  void OnEncodedSinkEnabled(bool enable);
+
+  void SetEncodedSinkEnabled(bool enable) RTC_RUN_ON(worker_thread_);
+
+  class SourceCallback : public VideoRtpTrackSource::Callback {
+   public:
+    explicit SourceCallback(VideoRtpReceiver* receiver) : receiver_(receiver) {}
+    ~SourceCallback() override = default;
+
+   private:
+    void OnGenerateKeyFrame() override { receiver_->OnGenerateKeyFrame(); }
+    void OnEncodedSinkEnabled(bool enable) override {
+      receiver_->OnEncodedSinkEnabled(enable);
+    }
+
+    VideoRtpReceiver* const receiver_;
+  } source_callback_{this};
+
+  RTC_NO_UNIQUE_ADDRESS SequenceChecker signaling_thread_checker_;
+  rtc::Thread* const worker_thread_;
+
+  const std::string id_;
+  cricket::VideoMediaReceiveChannelInterface* media_channel_
+      RTC_GUARDED_BY(worker_thread_) = nullptr;
+  absl::optional<uint32_t> signaled_ssrc_ RTC_GUARDED_BY(worker_thread_);
+  // `source_` is held here to be able to change the state of the source when
+  // the VideoRtpReceiver is stopped.
+  const rtc::scoped_refptr<VideoRtpTrackSource> source_;
+  const rtc::scoped_refptr<VideoTrackProxyWithInternal<VideoTrack>> track_;
+  std::vector<rtc::scoped_refptr<MediaStreamInterface>> streams_
+      RTC_GUARDED_BY(&signaling_thread_checker_);
+  RtpReceiverObserverInterface* observer_
+      RTC_GUARDED_BY(&signaling_thread_checker_) = nullptr;
+  bool received_first_packet_ RTC_GUARDED_BY(&signaling_thread_checker_) =
+      false;
+  const int attachment_id_;
+  rtc::scoped_refptr<FrameDecryptorInterface> frame_decryptor_
+      RTC_GUARDED_BY(worker_thread_);
+  rtc::scoped_refptr<DtlsTransportInterface> dtls_transport_
+      RTC_GUARDED_BY(&signaling_thread_checker_);
+  rtc::scoped_refptr<FrameTransformerInterface> frame_transformer_
+      RTC_GUARDED_BY(worker_thread_);
+  // Stores the minimum jitter buffer delay. Handles caching cases
+  // if `SetJitterBufferMinimumDelay` is called before start.
+  JitterBufferDelay delay_ RTC_GUARDED_BY(worker_thread_);
+
+  // Records if we should generate a keyframe when `media_channel_` gets set up
+  // or switched.
+  bool saved_generate_keyframe_ RTC_GUARDED_BY(worker_thread_) = false;
+  bool saved_encoded_sink_enabled_ RTC_GUARDED_BY(worker_thread_) = false;
+};
+
+}  // namespace webrtc
+
+#endif  // PC_VIDEO_RTP_RECEIVER_H_