Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 75 insertions, 0 deletions

diff --git a/dom/media/webrtc/libwebrtcglue/VideoStreamFactory.h b/dom/media/webrtc/libwebrtcglue/VideoStreamFactory.h
new file mode 100644
index 0000000000..86f8170336
--- /dev/null
+++ b/dom/media/webrtc/libwebrtcglue/VideoStreamFactory.h
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+#ifndef VideoStreamFactory_h
+#define VideoStreamFactory_h
+
+#include "CodecConfig.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/UniquePtr.h"
+#include "webrtc/media/base/videoadapter.h"
+#include "call/video_config.h"
+
+namespace mozilla {
+
+// Factory class for VideoStreams... vie_encoder.cc will call this to
+// reconfigure.
+class VideoStreamFactory
+    : public webrtc::VideoEncoderConfig::VideoStreamFactoryInterface {
+ public:
+  struct ResolutionAndBitrateLimits {
+    int resolution_in_mb;
+    int min_bitrate_bps;
+    int start_bitrate_bps;
+    int max_bitrate_bps;
+  };
+
+  VideoStreamFactory(VideoCodecConfig aConfig,
+                     webrtc::VideoCodecMode aCodecMode, int aMinBitrate,
+                     int aStartBitrate, int aPrefMaxBitrate,
+                     int aNegotiatedMaxBitrate, unsigned int aSendingFramerate)
+      : mCodecMode(aCodecMode),
+        mSendingFramerate(aSendingFramerate),
+        mCodecConfig(std::forward<VideoCodecConfig>(aConfig)),
+        mMinBitrate(aMinBitrate),
+        mStartBitrate(aStartBitrate),
+        mPrefMaxBitrate(aPrefMaxBitrate),
+        mNegotiatedMaxBitrate(aNegotiatedMaxBitrate),
+        mSimulcastAdapter(MakeUnique<cricket::VideoAdapter>()) {}
+
+  void SetCodecMode(webrtc::VideoCodecMode aCodecMode);
+  void SetSendingFramerate(unsigned int aSendingFramerate);
+
+  // This gets called off-main thread and may hold internal webrtc.org
+  // locks. May *NOT* lock the conduit's mutex, to avoid deadlocks.
+  std::vector<webrtc::VideoStream> CreateEncoderStreams(
+      int width, int height, const webrtc::VideoEncoderConfig& config) override;
+
+ private:
+  // Used to limit number of streams for screensharing.
+  Atomic<webrtc::VideoCodecMode> mCodecMode;
+
+  // The framerate we're currently sending at.
+  Atomic<unsigned int> mSendingFramerate;
+
+  // The current send codec config, containing simulcast layer configs.
+  const VideoCodecConfig mCodecConfig;
+
+  // Bitrate limits in bps.
+  const int mMinBitrate = 0;
+  const int mStartBitrate = 0;
+  const int mPrefMaxBitrate = 0;
+  const int mNegotiatedMaxBitrate = 0;
+
+  // Adapter for simulcast layers. We use this to handle scaleResolutionDownBy
+  // for layers. It's separate from the conduit's mVideoAdapter to not affect
+  // scaling settings for incoming frames.
+  UniquePtr<cricket::VideoAdapter> mSimulcastAdapter;
+};
+
+}  // namespace mozilla
+
+#endif