1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_PEERCONNECTION_VIDEO_ENCODER_STATE_OBSERVER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_PEERCONNECTION_VIDEO_ENCODER_STATE_OBSERVER_H_
#include <optional>
#include "base/time/time.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace webrtc {
class VideoCodec;
} // namespace webrtc
namespace blink {
// VideoEncoderStateObserver is the interface used by
// blink::InstrumentedVideoEncoderWrapper to notify the state of its wrapping
// encoder.
class PLATFORM_EXPORT VideoEncoderStateObserver {
public:
struct EncodeResult final {
int width;
int height;
int keyframe;
std::optional<int> spatial_index;
uint32_t rtp_timestamp;
base::TimeTicks encode_end_time;
bool is_hardware_accelerated;
};
virtual ~VideoEncoderStateObserver() = default;
// The encoder with |encoder_id| is created with |config|.
virtual void OnEncoderCreated(int encoder_id,
const webrtc::VideoCodec& config) = 0;
// The encoder with |encoder_id| is destroyed.
virtual void OnEncoderDestroyed(int encoder_id) = 0;
// The active spatial layers on the encoder with |encoder_id| is updated to
// |active_spatial_layers|.
virtual void OnRatesUpdated(int encoder_id,
const Vector<bool>& active_spatial_layers) = 0;
// Encode() of the encoder with |encoder_id| is about to be performed for
// the frame whose timestamp is |rtp_timestamp|.
virtual void OnEncode(int encoder_id, uint32_t rtp_timestamp) = 0;
// The encoder with |encoder_id| completes the encode and its result is
// |result|.
virtual void OnEncodedImage(int encoder_id, const EncodeResult& result) = 0;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_PEERCONNECTION_VIDEO_ENCODER_STATE_OBSERVER_H_
|
