02b17a5507
Bug: webrtc:10342 Change-Id: I1d856d060c2defcd10310f0d8639ce8a9554fff3 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168194 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30458}
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
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* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_VIDEO_CODING_FRAME_DEPENDENCIES_CALCULATOR_H_
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#define MODULES_VIDEO_CODING_FRAME_DEPENDENCIES_CALCULATOR_H_
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#include <stdint.h>
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#include <vector>
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#include "absl/container/inlined_vector.h"
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#include "absl/types/optional.h"
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#include "api/array_view.h"
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#include "api/video/video_frame_type.h"
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#include "common_video/generic_frame_descriptor/generic_frame_info.h"
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#include "rtc_base/synchronization/sequence_checker.h"
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#include "rtc_base/thread_annotations.h"
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namespace webrtc {
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class FrameDependenciesCalculator {
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public:
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FrameDependenciesCalculator() = default;
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FrameDependenciesCalculator(FrameDependenciesCalculator&&) = default;
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FrameDependenciesCalculator& operator=(FrameDependenciesCalculator&&) =
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default;
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// Calculates frame dependencies based on previous encoder buffer usage.
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absl::InlinedVector<int64_t, 5> FromBuffersUsage(
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VideoFrameType frame_type,
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int64_t frame_id,
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rtc::ArrayView<const CodecBufferUsage> buffers_usage);
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private:
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struct BufferUsage {
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absl::optional<int64_t> frame_id;
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absl::InlinedVector<int64_t, 4> dependencies;
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};
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SequenceChecker checker_;
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absl::InlinedVector<BufferUsage, 4> buffers_ RTC_GUARDED_BY(checker_);
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_FRAME_DEPENDENCIES_CALCULATOR_H_
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