1 files changed, 63 insertions, 0 deletions
diff --git a/third_party/libwebrtc/common_video/generic_frame_descriptor/generic_frame_info.h b/third_party/libwebrtc/common_video/generic_frame_descriptor/generic_frame_info.h
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index 0000000000..19f413b5d4
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+++ b/third_party/libwebrtc/common_video/generic_frame_descriptor/generic_frame_info.h
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+/*
+ *  Copyright (c) 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 COMMON_VIDEO_GENERIC_FRAME_DESCRIPTOR_GENERIC_FRAME_INFO_H_
+#define COMMON_VIDEO_GENERIC_FRAME_DESCRIPTOR_GENERIC_FRAME_INFO_H_
+
+#include <bitset>
+#include <initializer_list>
+#include <vector>
+
+#include "absl/container/inlined_vector.h"
+#include "absl/strings/string_view.h"
+#include "api/transport/rtp/dependency_descriptor.h"
+#include "api/video/video_codec_constants.h"
+
+namespace webrtc {
+
+// Describes how a certain encoder buffer was used when encoding a frame.
+struct CodecBufferUsage {
+  constexpr CodecBufferUsage(int id, bool referenced, bool updated)
+      : id(id), referenced(referenced), updated(updated) {}
+
+  int id = 0;
+  bool referenced = false;
+  bool updated = false;
+};
+
+struct GenericFrameInfo : public FrameDependencyTemplate {
+  class Builder;
+
+  GenericFrameInfo();
+  GenericFrameInfo(const GenericFrameInfo&);
+  ~GenericFrameInfo();
+
+  absl::InlinedVector<CodecBufferUsage, kMaxEncoderBuffers> encoder_buffers;
+  std::vector<bool> part_of_chain;
+  std::bitset<32> active_decode_targets = ~uint32_t{0};
+};
+
+class GenericFrameInfo::Builder {
+ public:
+  Builder();
+  ~Builder();
+
+  GenericFrameInfo Build() const;
+  Builder& T(int temporal_id);
+  Builder& S(int spatial_id);
+  Builder& Dtis(absl::string_view indication_symbols);
+
+ private:
+  GenericFrameInfo info_;
+};
+
+}  // namespace webrtc
+
+#endif  // COMMON_VIDEO_GENERIC_FRAME_DESCRIPTOR_GENERIC_FRAME_INFO_H_