65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
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/*
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* Copyright (c) 2016 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 API_VIDEO_ENCODED_FRAME_H_
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#define API_VIDEO_ENCODED_FRAME_H_
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#include <stddef.h>
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#include <stdint.h>
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#include "modules/video_coding/encoded_frame.h"
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namespace webrtc {
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// TODO(philipel): Remove webrtc::VCMEncodedFrame inheritance.
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// TODO(philipel): Move transport specific info out of EncodedFrame.
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// NOTE: This class is still under development and may change without notice.
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class EncodedFrame : public webrtc::VCMEncodedFrame {
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public:
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static const uint8_t kMaxFrameReferences = 5;
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EncodedFrame() = default;
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EncodedFrame(const EncodedFrame&) = default;
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virtual ~EncodedFrame() {}
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// When this frame was received.
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virtual int64_t ReceivedTime() const = 0;
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// When this frame should be rendered.
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virtual int64_t RenderTime() const = 0;
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// This information is currently needed by the timing calculation class.
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// TODO(philipel): Remove this function when a new timing class has
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// been implemented.
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virtual bool delayed_by_retransmission() const;
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bool is_keyframe() const { return num_references == 0; }
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void SetId(int64_t id) { id_ = id; }
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int64_t Id() const { return id_; }
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// TODO(philipel): Add simple modify/access functions to prevent adding too
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// many |references|.
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size_t num_references = 0;
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int64_t references[kMaxFrameReferences];
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// Is this subframe the last one in the superframe (In RTP stream that would
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// mean that the last packet has a marker bit set).
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bool is_last_spatial_layer = true;
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private:
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// The ID of the frame is determined from RTP level information. The IDs are
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// used to describe order and dependencies between frames.
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int64_t id_ = -1;
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};
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} // namespace webrtc
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#endif // API_VIDEO_ENCODED_FRAME_H_
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