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1 /* | |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef WEBRTC_API_VIDEO_CODECS_VIDEO_ENCODER_FACTORY_H_ | |
12 #define WEBRTC_API_VIDEO_CODECS_VIDEO_ENCODER_FACTORY_H_ | |
13 | |
14 #include <memory> | |
15 #include <vector> | |
16 | |
17 namespace webrtc { | |
18 | |
19 class VideoEncoder; | |
20 struct SdpVideoFormat; | |
21 | |
22 // A factory that creates VideoEncoders. | |
23 // NOTE: This class is still under development and may change without notice. | |
24 class VideoEncoderFactory { | |
25 public: | |
26 // TODO(magjed): Try to get rid of this struct. | |
27 struct CodecInfo { | |
28 // |is_hardware_accelerated| is true if the encoders created by this factory | |
29 // of the given codec will use hardware support. | |
30 bool is_hardware_accelerated; | |
31 // |has_internal_source| is true if encoders created by this factory of the | |
32 // given codec will use internal camera sources, meaning that they don't | |
33 // require/expect frames to be delivered via webrtc::VideoEncoder::Encode. | |
34 // This flag is used as the internal_source parameter to | |
35 // webrtc::ViEExternalCodec::RegisterExternalSendCodec. | |
stefan-webrtc
2017/09/13 12:39:18
This no longer exists.
magjed_webrtc
2017/09/13 12:53:50
Thanks, I removed mentioning it. It was a copy pas
| |
36 bool has_internal_source; | |
37 }; | |
38 | |
39 // Returns a list of supported video formats in order of preference, to use | |
40 // for signaling etc. | |
41 virtual std::vector<SdpVideoFormat> GetSupportedFormats() const = 0; | |
42 | |
43 // Returns information about how this format will be encoded. The specified | |
44 // format must be one of the supported formats by this factory. | |
45 // TODO(magjed): Try to get rid of this method. | |
46 virtual CodecInfo QueryVideoEncoder(const SdpVideoFormat& format) const = 0; | |
47 | |
48 // Creates a VideoEncoder for the specified format. | |
49 virtual std::unique_ptr<VideoEncoder> CreateVideoEncoder( | |
50 const SdpVideoFormat& format) = 0; | |
51 | |
52 virtual ~VideoEncoderFactory() {} | |
53 }; | |
54 | |
55 } // namespace webrtc | |
56 | |
57 #endif // WEBRTC_API_VIDEO_CODECS_VIDEO_ENCODER_FACTORY_H_ | |
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