/* * 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.
*/
class FrameDecodeScheduler { public: // Invoked when a frame with `rtp_timestamp` is ready for decoding. using FrameReleaseCallback =
absl::AnyInvocable<void(uint32_t rtp_timestamp,
Timestamp render_time) &&>;
virtual ~FrameDecodeScheduler() = default;
// Returns the rtp timestamp of the next frame scheduled for release, or // `nullopt` if no frame is currently scheduled. virtual std::optional<uint32_t> ScheduledRtpTimestamp() = 0;
// Schedules a frame for release based on `schedule`. When released, // `callback` will be invoked with the `rtp` timestamp of the frame and the // `render_time` virtualvoid ScheduleFrame(uint32_t rtp,
FrameDecodeTiming::FrameSchedule schedule,
FrameReleaseCallback callback) = 0;
// Cancels all scheduled frames. virtualvoid CancelOutstanding() = 0;
// Stop() Must be called before destruction. virtualvoid Stop() = 0;
};
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