diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator.h b/third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator.h new file mode 100644 index 0000000000..2c4a8502e1 --- /dev/null +++ b/third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2020 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 MODULES_VIDEO_CODING_FRAME_DEPENDENCIES_CALCULATOR_H_ +#define MODULES_VIDEO_CODING_FRAME_DEPENDENCIES_CALCULATOR_H_ + +#include <stdint.h> + +#include <vector> + +#include "absl/container/inlined_vector.h" +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "common_video/generic_frame_descriptor/generic_frame_info.h" + +namespace webrtc { + +// This class is thread compatible. +class FrameDependenciesCalculator { + public: + FrameDependenciesCalculator() = default; + FrameDependenciesCalculator(const FrameDependenciesCalculator&) = default; + FrameDependenciesCalculator& operator=(const FrameDependenciesCalculator&) = + default; + + // Calculates frame dependencies based on previous encoder buffer usage. + absl::InlinedVector<int64_t, 5> FromBuffersUsage( + int64_t frame_id, + rtc::ArrayView<const CodecBufferUsage> buffers_usage); + + private: + struct BufferUsage { + absl::optional<int64_t> frame_id; + absl::InlinedVector<int64_t, 4> dependencies; + }; + + absl::InlinedVector<BufferUsage, 4> buffers_; +}; + +} // namespace webrtc + +#endif // MODULES_VIDEO_CODING_FRAME_DEPENDENCIES_CALCULATOR_H_ |