blob: fa06568aa956559e841f379199e3ab8de10d55c5 [file] [log] [blame]
* Copyright (c) 2016 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.
#include "modules/video_coding/encoded_frame.h"
#include <stddef.h>
#include <stdint.h>
namespace webrtc {
namespace video_coding {
// NOTE: This class is still under development and may change without notice.
struct VideoLayerFrameId {
// TODO(philipel): The default ctor is currently used internaly, but have a
// look if we can remove it.
VideoLayerFrameId() : picture_id(-1), spatial_layer(0) {}
VideoLayerFrameId(int64_t picture_id, uint8_t spatial_layer)
: picture_id(picture_id), spatial_layer(spatial_layer) {}
bool operator==(const VideoLayerFrameId& rhs) const {
return picture_id == rhs.picture_id && spatial_layer == rhs.spatial_layer;
bool operator!=(const VideoLayerFrameId& rhs) const {
return !(*this == rhs);
bool operator<(const VideoLayerFrameId& rhs) const {
if (picture_id == rhs.picture_id)
return spatial_layer < rhs.spatial_layer;
return picture_id < rhs.picture_id;
bool operator<=(const VideoLayerFrameId& rhs) const { return !(rhs < *this); }
bool operator>(const VideoLayerFrameId& rhs) const { return rhs < *this; }
bool operator>=(const VideoLayerFrameId& rhs) const { return rhs <= *this; }
int64_t picture_id;
uint8_t spatial_layer;
// TODO(philipel): Remove webrtc::VCMEncodedFrame inheritance.
// TODO(philipel): Move transport specific info out of EncodedFrame.
// NOTE: This class is still under development and may change without notice.
class EncodedFrame : public webrtc::VCMEncodedFrame {
static const uint8_t kMaxFrameReferences = 5;
EncodedFrame() = default;
virtual ~EncodedFrame() {}
// When this frame was received.
virtual int64_t ReceivedTime() const = 0;
// When this frame should be rendered.
virtual int64_t RenderTime() const = 0;
// This information is currently needed by the timing calculation class.
// TODO(philipel): Remove this function when a new timing class has
// been implemented.
virtual bool delayed_by_retransmission() const;
bool is_keyframe() const { return num_references == 0; }
VideoLayerFrameId id;
// TODO(philipel): Add simple modify/access functions to prevent adding too
// many |references|.
size_t num_references = 0;
int64_t references[kMaxFrameReferences];
bool inter_layer_predicted = false;
// Is this subframe the last one in the superframe (In RTP stream that would
// mean that the last packet has a marker bit set).
bool is_last_spatial_layer = true;
} // namespace video_coding
} // namespace webrtc