Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 73 insertions, 0 deletions

diff --git a/third_party/libwebrtc/api/video_codecs/builtin_video_encoder_factory.cc b/third_party/libwebrtc/api/video_codecs/builtin_video_encoder_factory.cc
new file mode 100644
index 0000000000..573eb47bf9
--- /dev/null
+++ b/third_party/libwebrtc/api/video_codecs/builtin_video_encoder_factory.cc
@@ -0,0 +1,73 @@
+/*
+ *  Copyright (c) 2018 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 "api/video_codecs/builtin_video_encoder_factory.h"
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "absl/strings/match.h"
+#include "absl/types/optional.h"
+#include "api/video_codecs/sdp_video_format.h"
+#include "api/video_codecs/video_encoder.h"
+#include "media/base/codec.h"
+#include "media/base/media_constants.h"
+#include "media/engine/internal_encoder_factory.h"
+#include "media/engine/simulcast_encoder_adapter.h"
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+
+namespace {
+
+// This class wraps the internal factory and adds simulcast.
+class BuiltinVideoEncoderFactory : public VideoEncoderFactory {
+ public:
+  BuiltinVideoEncoderFactory()
+      : internal_encoder_factory_(new InternalEncoderFactory()) {}
+
+  std::unique_ptr<VideoEncoder> CreateVideoEncoder(
+      const SdpVideoFormat& format) override {
+    // Try creating an InternalEncoderFactory-backed SimulcastEncoderAdapter.
+    // The adapter has a passthrough mode for the case that simulcast is not
+    // used, so all responsibility can be delegated to it.
+    std::unique_ptr<VideoEncoder> encoder;
+    if (format.IsCodecInList(
+            internal_encoder_factory_->GetSupportedFormats())) {
+      encoder = std::make_unique<SimulcastEncoderAdapter>(
+          internal_encoder_factory_.get(), format);
+    }
+
+    return encoder;
+  }
+
+  std::vector<SdpVideoFormat> GetSupportedFormats() const override {
+    return internal_encoder_factory_->GetSupportedFormats();
+  }
+
+  CodecSupport QueryCodecSupport(
+      const SdpVideoFormat& format,
+      absl::optional<std::string> scalability_mode) const override {
+    return internal_encoder_factory_->QueryCodecSupport(format,
+                                                        scalability_mode);
+  }
+
+ private:
+  const std::unique_ptr<VideoEncoderFactory> internal_encoder_factory_;
+};
+
+}  // namespace
+
+std::unique_ptr<VideoEncoderFactory> CreateBuiltinVideoEncoderFactory() {
+  return std::make_unique<BuiltinVideoEncoderFactory>();
+}
+
+}  // namespace webrtc