blob: d788c7b2aa75eb98eb987e8d8967136eafc069ed (
plain)
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
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_CAST_SENDER_VIDEO_ENCODER_H_
#define MEDIA_CAST_SENDER_VIDEO_ENCODER_H_
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "media/base/video_frame.h"
#include "media/cast/cast_config.h"
#include "media/cast/cast_environment.h"
namespace media {
namespace cast {
// All these functions are called from the main cast thread.
class VideoEncoder {
public:
typedef base::Callback<void(scoped_ptr<EncodedFrame>)>
FrameEncodedCallback;
virtual ~VideoEncoder() {}
// The video_frame must be valid until the closure callback is called.
// The closure callback is called from the video encoder thread as soon as
// the encoder is done with the frame; it does not mean that the encoded frame
// has been sent out.
// Once the encoded frame is ready the frame_encoded_callback is called.
virtual bool EncodeVideoFrame(
const scoped_refptr<media::VideoFrame>& video_frame,
const base::TimeTicks& capture_time,
const FrameEncodedCallback& frame_encoded_callback) = 0;
// Inform the encoder about the new target bit rate.
virtual void SetBitRate(int new_bit_rate) = 0;
// Inform the encoder to encode the next frame as a key frame.
virtual void GenerateKeyFrame() = 0;
// Inform the encoder to only reference frames older or equal to frame_id;
virtual void LatestFrameIdToReference(uint32 frame_id) = 0;
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_SENDER_VIDEO_ENCODER_H_
|
