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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/rtc_tools/frame_analyzer/video_geometry_aligner.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_tools/frame_analyzer/video_geometry_aligner.h b/third_party/libwebrtc/rtc_tools/frame_analyzer/video_geometry_aligner.h new file mode 100644 index 0000000000..47667b0d13 --- /dev/null +++ b/third_party/libwebrtc/rtc_tools/frame_analyzer/video_geometry_aligner.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef RTC_TOOLS_FRAME_ANALYZER_VIDEO_GEOMETRY_ALIGNER_H_ +#define RTC_TOOLS_FRAME_ANALYZER_VIDEO_GEOMETRY_ALIGNER_H_ + +#include "api/video/video_frame_buffer.h" +#include "rtc_tools/video_file_reader.h" + +namespace webrtc { +namespace test { + +struct CropRegion { + // Each value represents how much to crop from each side. Left is where x=0, + // and top is where y=0. All values equal to zero represents no cropping. + int left = 0; + int right = 0; + int top = 0; + int bottom = 0; +}; + +// Crops and zooms in on the cropped region so that the returned frame has the +// same resolution as the input frame. +rtc::scoped_refptr<I420BufferInterface> CropAndZoom( + const CropRegion& crop_region, + const rtc::scoped_refptr<I420BufferInterface>& frame); + +// Calculate the optimal cropping region on the reference frame to maximize SSIM +// to the test frame. +CropRegion CalculateCropRegion( + const rtc::scoped_refptr<I420BufferInterface>& reference_frame, + const rtc::scoped_refptr<I420BufferInterface>& test_frame); + +// Returns a cropped and zoomed version of the reference frame that matches up +// to the test frame. This is a simple helper function on top of +// CalculateCropRegion() and CropAndZoom(). +rtc::scoped_refptr<I420BufferInterface> AdjustCropping( + const rtc::scoped_refptr<I420BufferInterface>& reference_frame, + const rtc::scoped_refptr<I420BufferInterface>& test_frame); + +// Returns a cropped and zoomed version of the reference video that matches up +// to the test video. Frames are individually adjusted for cropping. +rtc::scoped_refptr<Video> AdjustCropping( + const rtc::scoped_refptr<Video>& reference_video, + const rtc::scoped_refptr<Video>& test_video); + +} // namespace test +} // namespace webrtc + +#endif // RTC_TOOLS_FRAME_ANALYZER_VIDEO_GEOMETRY_ALIGNER_H_ |