0f59a88b32
Moved/renamed: webrtc/modules/video_processing/main/interface -> webrtc/modules/video_processing/include webrtc/modules/video_processing/main/source/* -> webrtc/modules/video_processing webrtc/modules/video_processing/main/test/unit_test -> webrtc/modules/video_processing/test No downstream code seems to use this module. BUG=webrtc:5095 TESTED=git cl try -c --bot=android_compile_rel --bot=linux_compile_rel --bot=win_compile_rel --bot=mac_compile_rel --bot=ios_rel --bot=linux_gn_rel --bot=win_x64_gn_rel --bot=mac_x64_gn_rel --bot=android_gn_rel -m tryserver.webrtc R=pbos@webrtc.org, stefan@webrtc.org Review URL: https://codereview.webrtc.org/1410663004 . Cr-Commit-Position: refs/heads/master@{#10697}
88 lines
2.8 KiB
C++
88 lines
2.8 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_CONTENT_ANALYSIS_H_
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#define WEBRTC_MODULES_VIDEO_PROCESSING_CONTENT_ANALYSIS_H_
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#include "webrtc/modules/include/module_common_types.h"
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#include "webrtc/modules/video_processing/include/video_processing_defines.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 VPMContentAnalysis {
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public:
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// When |runtime_cpu_detection| is true, runtime selection of an optimized
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// code path is allowed.
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explicit VPMContentAnalysis(bool runtime_cpu_detection);
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~VPMContentAnalysis();
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// Initialize ContentAnalysis - should be called prior to
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// extractContentFeature
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// Inputs: width, height
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// Return value: 0 if OK, negative value upon error
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int32_t Initialize(int width, int height);
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// Extract content Feature - main function of ContentAnalysis
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// Input: new frame
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// Return value: pointer to structure containing content Analysis
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// metrics or NULL value upon error
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VideoContentMetrics* ComputeContentMetrics(const VideoFrame& inputFrame);
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// Release all allocated memory
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// Output: 0 if OK, negative value upon error
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int32_t Release();
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private:
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// return motion metrics
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VideoContentMetrics* ContentMetrics();
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// Normalized temporal difference metric: for motion magnitude
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typedef int32_t (VPMContentAnalysis::*TemporalDiffMetricFunc)();
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TemporalDiffMetricFunc TemporalDiffMetric;
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int32_t TemporalDiffMetric_C();
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// Motion metric method: call 2 metrics (magnitude and size)
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int32_t ComputeMotionMetrics();
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// Spatial metric method: computes the 3 frame-average spatial
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// prediction errors (1x2,2x1,2x2)
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typedef int32_t (VPMContentAnalysis::*ComputeSpatialMetricsFunc)();
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ComputeSpatialMetricsFunc ComputeSpatialMetrics;
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int32_t ComputeSpatialMetrics_C();
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#if defined(WEBRTC_ARCH_X86_FAMILY)
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int32_t ComputeSpatialMetrics_SSE2();
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int32_t TemporalDiffMetric_SSE2();
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#endif
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const uint8_t* orig_frame_;
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uint8_t* prev_frame_;
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int width_;
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int height_;
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int skip_num_;
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int border_;
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// Content Metrics: Stores the local average of the metrics.
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float motion_magnitude_; // motion class
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float spatial_pred_err_; // spatial class
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float spatial_pred_err_h_; // spatial class
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float spatial_pred_err_v_; // spatial class
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bool first_frame_;
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bool ca_Init_;
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VideoContentMetrics* content_metrics_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_PROCESSING_CONTENT_ANALYSIS_H_
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