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Side by Side Diff: content/renderer/media/media_stream_constraints_util_video_device.cc

Issue 2922013002: Update constraints processing for video content capture. (Closed)
Patch Set: Rebase Created 3 years, 6 months ago
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1 // Copyright 2017 The Chromium Authors. All rights reserved. 1 // Copyright 2017 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "content/renderer/media/media_stream_constraints_util_video_device.h" 5 #include "content/renderer/media/media_stream_constraints_util_video_device.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <cmath> 8 #include <cmath>
9 #include <limits> 9 #include <limits>
10 #include <utility> 10 #include <utility>
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178 // With device capture, incoming frames are expected to have the size 178 // With device capture, incoming frames are expected to have the size
179 // specified in the requested capture format. 179 // specified in the requested capture format.
180 bool expect_source_native_size = true; 180 bool expect_source_native_size = true;
181 auto track_adapter_settings = SelectVideoTrackAdapterSettings( 181 auto track_adapter_settings = SelectVideoTrackAdapterSettings(
182 basic_constraint_set, constrained_format.constrained_resolution(), 182 basic_constraint_set, constrained_format.constrained_resolution(),
183 constrained_format.constrained_frame_rate(), 183 constrained_format.constrained_frame_rate(),
184 capture_params.requested_format, expect_source_native_size); 184 capture_params.requested_format, expect_source_native_size);
185 185
186 return VideoCaptureSettings( 186 return VideoCaptureSettings(
187 candidate.device_id(), capture_params, candidate.noise_reduction(), 187 candidate.device_id(), capture_params, candidate.noise_reduction(),
188 track_adapter_settings, 188 track_adapter_settings, constrained_format.constrained_frame_rate().Min(),
189 constrained_format.constrained_frame_rate().Min()); 189 constrained_format.constrained_frame_rate().Max());
190 } 190 }
191 191
192 // Generic distance function between two numeric values. Based on the fitness 192 // Generic distance function between two numeric values. Based on the fitness
193 // distance function described in 193 // distance function described in
194 // https://w3c.github.io/mediacapture-main/#dfn-fitness-distance 194 // https://w3c.github.io/mediacapture-main/#dfn-fitness-distance
195 double Distance(double value1, double value2) { 195 double Distance(double value1, double value2) {
196 if (std::fabs(value1 - value2) <= blink::DoubleConstraint::kConstraintEpsilon) 196 if (std::fabs(value1 - value2) <= blink::DoubleConstraint::kConstraintEpsilon)
197 return 0.0; 197 return 0.0;
198 198
199 return std::fabs(value1 - value2) / 199 return std::fabs(value1 - value2) /
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878 } 878 }
879 } 879 }
880 880
881 if (!result.HasValue()) 881 if (!result.HasValue())
882 return VideoCaptureSettings(failed_constraint_name); 882 return VideoCaptureSettings(failed_constraint_name);
883 883
884 return result; 884 return result;
885 } 885 }
886 886
887 } // namespace content 887 } // namespace content
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