1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef MEDIA_CAST_SENDER_VIDEO_ENCODER_IMPL_H_
6 #define MEDIA_CAST_SENDER_VIDEO_ENCODER_IMPL_H_
8 #include "base/memory/scoped_ptr.h"
9 #include "media/cast/cast_config.h"
10 #include "media/cast/cast_environment.h"
11 #include "media/cast/sender/software_video_encoder.h"
12 #include "media/cast/sender/video_encoder.h"
19 // This object is called external from the main cast thread and internally from
20 // the video encoder thread.
21 class VideoEncoderImpl : public VideoEncoder {
23 struct CodecDynamicConfig {
24 bool key_frame_requested;
25 uint32 latest_frame_id_to_reference;
29 typedef base::Callback<void(scoped_ptr<EncodedFrame>)>
32 VideoEncoderImpl(scoped_refptr<CastEnvironment> cast_environment,
33 const VideoSenderConfig& video_config);
35 ~VideoEncoderImpl() override;
37 // VideoEncoder implementation.
38 bool EncodeVideoFrame(
39 const scoped_refptr<media::VideoFrame>& video_frame,
40 const base::TimeTicks& reference_time,
41 const FrameEncodedCallback& frame_encoded_callback) override;
42 void SetBitRate(int new_bit_rate) override;
43 void GenerateKeyFrame() override;
44 void LatestFrameIdToReference(uint32 frame_id) override;
47 scoped_refptr<CastEnvironment> cast_environment_;
48 CodecDynamicConfig dynamic_config_;
50 // This member belongs to the video encoder thread. It must not be
51 // dereferenced on the main thread. We manage the lifetime of this member
52 // manually because it needs to be initialize, used and destroyed on the
53 // video encoder thread and video encoder thread can out-live the main thread.
54 scoped_ptr<SoftwareVideoEncoder> encoder_;
56 DISALLOW_COPY_AND_ASSIGN(VideoEncoderImpl);
62 #endif // MEDIA_CAST_SENDER_VIDEO_ENCODER_IMPL_H_