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