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| 1 /* | 1 /* |
| 2 * libjingle | 2 * Copyright 2010 The WebRTC Project Authors. All rights reserved. |
| 3 * Copyright 2010 Google Inc. | |
| 4 * | 3 * |
| 5 * Redistribution and use in source and binary forms, with or without | 4 * Use of this source code is governed by a BSD-style license |
| 6 * modification, are permitted provided that the following conditions are met: | 5 * that can be found in the LICENSE file in the root of the source |
| 7 * | 6 * tree. An additional intellectual property rights grant can be found |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | 7 * in the file PATENTS. All contributing project authors may |
| 9 * this list of conditions and the following disclaimer. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | 9 */ |
| 27 | 10 |
| 28 // Implementation file of class VideoCapturer. | 11 // Implementation file of class VideoCapturer. |
| 29 | 12 |
| 30 #include "talk/media/base/videocapturer.h" | 13 #include "webrtc/media/base/videocapturer.h" |
| 31 | 14 |
| 32 #include <algorithm> | 15 #include <algorithm> |
| 33 | 16 |
| 34 #include "libyuv/scale_argb.h" | 17 #include "libyuv/scale_argb.h" |
| 35 #include "talk/media/base/videoframefactory.h" | |
| 36 #include "webrtc/base/common.h" | 18 #include "webrtc/base/common.h" |
| 37 #include "webrtc/base/logging.h" | 19 #include "webrtc/base/logging.h" |
| 38 #include "webrtc/base/systeminfo.h" | 20 #include "webrtc/base/systeminfo.h" |
| 21 #include "webrtc/media/base/videoframefactory.h" |
| 39 | 22 |
| 40 #if defined(HAVE_WEBRTC_VIDEO) | 23 #if defined(HAVE_WEBRTC_VIDEO) |
| 41 #include "talk/media/webrtc/webrtcvideoframe.h" | 24 #include "webrtc/media/webrtc/webrtcvideoframe.h" |
| 42 #include "talk/media/webrtc/webrtcvideoframefactory.h" | 25 #include "webrtc/media/webrtc/webrtcvideoframefactory.h" |
| 43 #endif // HAVE_WEBRTC_VIDEO | 26 #endif // HAVE_WEBRTC_VIDEO |
| 44 | 27 |
| 45 namespace cricket { | 28 namespace cricket { |
| 46 | 29 |
| 47 namespace { | 30 namespace { |
| 48 | 31 |
| 49 // TODO(thorcarpenter): This is a BIG hack to flush the system with black | 32 // TODO(thorcarpenter): This is a BIG hack to flush the system with black |
| 50 // frames. Frontends should coordinate to update the video state of a muted | 33 // frames. Frontends should coordinate to update the video state of a muted |
| 51 // user. When all frontends to this consider removing the black frame business. | 34 // user. When all frontends to this consider removing the black frame business. |
| 52 const int kNumBlackFramesOnMute = 30; | 35 const int kNumBlackFramesOnMute = 30; |
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| 719 void VideoCapturer::GetVariableSnapshot( | 702 void VideoCapturer::GetVariableSnapshot( |
| 720 const rtc::RollingAccumulator<T>& data, | 703 const rtc::RollingAccumulator<T>& data, |
| 721 VariableInfo<T>* stats) { | 704 VariableInfo<T>* stats) { |
| 722 stats->max_val = data.ComputeMax(); | 705 stats->max_val = data.ComputeMax(); |
| 723 stats->mean = data.ComputeMean(); | 706 stats->mean = data.ComputeMean(); |
| 724 stats->min_val = data.ComputeMin(); | 707 stats->min_val = data.ComputeMin(); |
| 725 stats->variance = data.ComputeVariance(); | 708 stats->variance = data.ComputeVariance(); |
| 726 } | 709 } |
| 727 | 710 |
| 728 } // namespace cricket | 711 } // namespace cricket |
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