pbos@webrtc.org | 1c65545 | 2014-09-17 09:02:25 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014 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_VIDEO_ENCODER_H_ |
| 12 | #define WEBRTC_VIDEO_ENCODER_H_ |
| 13 | |
| 14 | #include <vector> |
| 15 | |
pbos@webrtc.org | 6b97015 | 2014-09-18 12:42:28 +0000 | [diff] [blame] | 16 | #include "webrtc/common_types.h" |
pbos@webrtc.org | 1c65545 | 2014-09-17 09:02:25 +0000 | [diff] [blame] | 17 | #include "webrtc/typedefs.h" |
| 18 | #include "webrtc/video_frame.h" |
| 19 | |
| 20 | namespace webrtc { |
| 21 | |
| 22 | class RTPFragmentationHeader; |
| 23 | // TODO(pbos): Expose these through a public (root) header or change these APIs. |
| 24 | struct CodecSpecificInfo; |
| 25 | struct VideoCodec; |
| 26 | |
| 27 | class EncodedImageCallback { |
| 28 | public: |
| 29 | virtual ~EncodedImageCallback() {} |
| 30 | |
| 31 | // Callback function which is called when an image has been encoded. |
| 32 | // TODO(pbos): Make encoded_image const or pointer. Remove default arguments. |
| 33 | virtual int32_t Encoded( |
| 34 | EncodedImage& encoded_image, |
| 35 | const CodecSpecificInfo* codec_specific_info = NULL, |
| 36 | const RTPFragmentationHeader* fragmentation = NULL) = 0; |
| 37 | }; |
| 38 | |
| 39 | class VideoEncoder { |
| 40 | public: |
| 41 | enum EncoderType { |
| 42 | kVp8, |
| 43 | }; |
| 44 | |
| 45 | static VideoEncoder* Create(EncoderType codec_type); |
| 46 | |
pbos@webrtc.org | 6b97015 | 2014-09-18 12:42:28 +0000 | [diff] [blame] | 47 | static VideoCodecVP8 GetDefaultVp8Settings(); |
| 48 | static VideoCodecH264 GetDefaultH264Settings(); |
| 49 | |
pbos@webrtc.org | 1c65545 | 2014-09-17 09:02:25 +0000 | [diff] [blame] | 50 | virtual ~VideoEncoder() {} |
| 51 | |
| 52 | virtual int32_t InitEncode(const VideoCodec* codec_settings, |
| 53 | int32_t number_of_cores, |
| 54 | uint32_t max_payload_size) = 0; |
| 55 | virtual int32_t RegisterEncodeCompleteCallback( |
| 56 | EncodedImageCallback* callback) = 0; |
| 57 | virtual int32_t Release() = 0; |
| 58 | |
| 59 | |
| 60 | virtual int32_t Encode(const I420VideoFrame& frame, |
| 61 | const CodecSpecificInfo* codec_specific_info, |
| 62 | const std::vector<VideoFrameType>* frame_types) = 0; |
| 63 | |
| 64 | virtual int32_t SetChannelParameters(uint32_t packet_loss, int rtt) = 0; |
| 65 | virtual int32_t SetRates(uint32_t bitrate, uint32_t framerate) = 0; |
| 66 | |
| 67 | virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; } |
| 68 | virtual int32_t CodecConfigParameters(uint8_t* /*buffer*/, int32_t /*size*/) { |
| 69 | return -1; |
| 70 | } |
| 71 | }; |
| 72 | |
| 73 | } // namespace webrtc |
| 74 | #endif // WEBRTC_VIDEO_ENCODER_H_ |