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Diffstat (limited to 'third_party/libwebrtc/video/frame_decode_scheduler.h')
-rw-r--r-- | third_party/libwebrtc/video/frame_decode_scheduler.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/third_party/libwebrtc/video/frame_decode_scheduler.h b/third_party/libwebrtc/video/frame_decode_scheduler.h new file mode 100644 index 0000000000..29e27c22c8 --- /dev/null +++ b/third_party/libwebrtc/video/frame_decode_scheduler.h @@ -0,0 +1,52 @@ +/* + * 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_SCHEDULER_H_ +#define VIDEO_FRAME_DECODE_SCHEDULER_H_ + +#include <stdint.h> + +#include "absl/functional/any_invocable.h" +#include "absl/types/optional.h" +#include "api/units/timestamp.h" +#include "video/frame_decode_timing.h" + +namespace webrtc { + +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 absl::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` + virtual void ScheduleFrame(uint32_t rtp, + FrameDecodeTiming::FrameSchedule schedule, + FrameReleaseCallback callback) = 0; + + // Cancels all scheduled frames. + virtual void CancelOutstanding() = 0; + + // Stop() Must be called before destruction. + virtual void Stop() = 0; +}; + +} // namespace webrtc + +#endif // VIDEO_FRAME_DECODE_SCHEDULER_H_ |