3c6eac2860
Framerate-reduction code is disabled on all platforms, and this code adds complexity. It's necessary to react fast, especially on mobile platforms or other bad network conditions and framerate reduction adds another step between HD and QVGA. BUG=webrtc:5678, webrtc:5830 R=jackychen@webrtc.org, mflodman@webrtc.org Review URL: https://codereview.webrtc.org/1885893002 . Cr-Commit-Position: refs/heads/master@{#12503}
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_VIDEO_PROCESSING_FRAME_PREPROCESSOR_H_
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#define WEBRTC_MODULES_VIDEO_PROCESSING_FRAME_PREPROCESSOR_H_
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#include <memory>
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#include "webrtc/modules/video_processing/include/video_processing.h"
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#include "webrtc/modules/video_processing/content_analysis.h"
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#include "webrtc/modules/video_processing/spatial_resampler.h"
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#include "webrtc/modules/video_processing/video_decimator.h"
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#include "webrtc/typedefs.h"
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#include "webrtc/video_frame.h"
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namespace webrtc {
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class VideoDenoiser;
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// All pointers/members in this class are assumed to be protected by the class
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// owner.
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class VPMFramePreprocessor {
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public:
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VPMFramePreprocessor();
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~VPMFramePreprocessor();
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void Reset();
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// Enable temporal decimation.
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void EnableTemporalDecimation(bool enable);
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void SetInputFrameResampleMode(VideoFrameResampling resampling_mode);
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// Enable content analysis.
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void EnableContentAnalysis(bool enable);
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// Set target resolution: frame rate and dimension.
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int32_t SetTargetResolution(uint32_t width,
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uint32_t height,
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uint32_t frame_rate);
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// Update incoming frame rate/dimension.
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void UpdateIncomingframe_rate();
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int32_t updateIncomingFrameSize(uint32_t width, uint32_t height);
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// Set decimated values: frame rate/dimension.
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uint32_t GetDecimatedFrameRate();
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uint32_t GetDecimatedWidth() const;
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uint32_t GetDecimatedHeight() const;
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// Preprocess output:
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void EnableDenosing(bool enable);
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const VideoFrame* PreprocessFrame(const VideoFrame& frame);
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VideoContentMetrics* GetContentMetrics() const;
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private:
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// The content does not change so much every frame, so to reduce complexity
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// we can compute new content metrics every |kSkipFrameCA| frames.
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enum { kSkipFrameCA = 2 };
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VideoContentMetrics* content_metrics_;
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VideoFrame denoised_frame_[2];
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VideoFrame resampled_frame_;
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VPMSpatialResampler* spatial_resampler_;
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VPMContentAnalysis* ca_;
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VPMVideoDecimator* vd_;
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std::unique_ptr<VideoDenoiser> denoiser_;
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bool enable_ca_;
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uint8_t denoised_frame_toggle_;
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uint32_t frame_cnt_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_PROCESSING_FRAME_PREPROCESSOR_H_
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