55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
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* Copyright (c) 2022 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 VIDEO_FRAME_DECODE_TIMING_H_
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#define VIDEO_FRAME_DECODE_TIMING_H_
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#include <stdint.h>
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#include <functional>
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#include "api/task_queue/pending_task_safety_flag.h"
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#include "api/task_queue/task_queue_base.h"
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#include "modules/video_coding/timing/timing.h"
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#include "system_wrappers/include/clock.h"
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namespace webrtc {
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class FrameDecodeTiming {
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public:
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FrameDecodeTiming(Clock* clock, webrtc::VCMTiming const* timing);
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~FrameDecodeTiming() = default;
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FrameDecodeTiming(const FrameDecodeTiming&) = delete;
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FrameDecodeTiming& operator=(const FrameDecodeTiming&) = delete;
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// Any frame that has decode delay more than this in the past can be
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// fast-forwarded.
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static constexpr TimeDelta kMaxAllowedFrameDelay = TimeDelta::Millis(5);
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struct FrameSchedule {
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Timestamp latest_decode_time;
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Timestamp render_time;
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};
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absl::optional<FrameSchedule> OnFrameBufferUpdated(
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uint32_t next_temporal_unit_rtp,
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uint32_t last_temporal_unit_rtp,
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TimeDelta max_wait_for_frame,
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bool too_many_frames_queued);
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private:
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Clock* const clock_;
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webrtc::VCMTiming const* const timing_;
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};
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} // namespace webrtc
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#endif // VIDEO_FRAME_DECODE_TIMING_H_
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