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1 /* | |
2 * Copyright (c) 2011 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_MODULES_VIDEO_PROCESSING_INCLUDE_VIDEO_PROCESSING_H_ | |
12 #define WEBRTC_MODULES_VIDEO_PROCESSING_INCLUDE_VIDEO_PROCESSING_H_ | |
13 | |
14 #include "webrtc/modules/include/module_common_types.h" | |
15 #include "webrtc/modules/video_processing/include/video_processing_defines.h" | |
16 #include "webrtc/video_frame.h" | |
17 | |
18 // The module is largely intended to process video streams, except functionality | |
19 // provided by static functions which operate independent of previous frames. It | |
20 // is recommended, but not required that a unique instance be used for each | |
21 // concurrently processed stream. Similarly, it is recommended to call Reset() | |
22 // before switching to a new stream, but this is not absolutely required. | |
23 // | |
24 // The module provides basic thread safety by permitting only a single function | |
25 // to execute concurrently. | |
26 | |
27 namespace webrtc { | |
28 | |
29 class VideoProcessing { | |
30 public: | |
31 static VideoProcessing* Create(); | |
32 virtual ~VideoProcessing() {} | |
33 | |
34 // The following functions refer to the pre-processor unit within VPM. The | |
35 // pre-processor perfoms spatial/temporal decimation and content analysis on | |
36 // the frames prior to encoding. | |
37 | |
38 // Enable/disable temporal decimation | |
39 virtual void EnableTemporalDecimation(bool enable) = 0; | |
40 | |
41 virtual int32_t SetTargetResolution(uint32_t width, | |
42 uint32_t height, | |
43 uint32_t frame_rate) = 0; | |
44 | |
45 virtual uint32_t GetDecimatedFrameRate() = 0; | |
46 virtual uint32_t GetDecimatedWidth() const = 0; | |
47 virtual uint32_t GetDecimatedHeight() const = 0; | |
48 | |
49 // Set the spatial resampling settings of the VPM according to | |
50 // VideoFrameResampling. | |
51 virtual void SetInputFrameResampleMode( | |
52 VideoFrameResampling resampling_mode) = 0; | |
53 | |
54 virtual void EnableDenoising(bool enable) = 0; | |
55 virtual const VideoFrame* PreprocessFrame(const VideoFrame& frame) = 0; | |
56 }; | |
57 | |
58 } // namespace webrtc | |
59 | |
60 #endif // WEBRTC_MODULES_VIDEO_PROCESSING_INCLUDE_VIDEO_PROCESSING_H_ | |
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