| /* |
| * Copyright (c) 2004 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. |
| */ |
| |
| #include "media/base/testutils.h" |
| |
| #include <algorithm> |
| #include <memory> |
| |
| #include "api/video/video_frame.h" |
| #include "media/base/videocapturer.h" |
| |
| namespace cricket { |
| |
| // Implementation of VideoCaptureListener. |
| VideoCapturerListener::VideoCapturerListener(VideoCapturer* capturer) |
| : capturer_(capturer), |
| last_capture_state_(CS_STARTING), |
| frame_count_(0), |
| frame_width_(0), |
| frame_height_(0), |
| resolution_changed_(false) { |
| capturer->SignalStateChange.connect(this, |
| &VideoCapturerListener::OnStateChange); |
| capturer->AddOrUpdateSink(this, rtc::VideoSinkWants()); |
| } |
| |
| VideoCapturerListener::~VideoCapturerListener() { |
| capturer_->RemoveSink(this); |
| } |
| |
| void VideoCapturerListener::OnStateChange(VideoCapturer* capturer, |
| CaptureState result) { |
| last_capture_state_ = result; |
| } |
| |
| void VideoCapturerListener::OnFrame(const webrtc::VideoFrame& frame) { |
| ++frame_count_; |
| if (1 == frame_count_) { |
| frame_width_ = frame.width(); |
| frame_height_ = frame.height(); |
| } else if (frame_width_ != frame.width() || frame_height_ != frame.height()) { |
| resolution_changed_ = true; |
| } |
| } |
| |
| cricket::StreamParams CreateSimStreamParams( |
| const std::string& cname, |
| const std::vector<uint32_t>& ssrcs) { |
| cricket::StreamParams sp; |
| cricket::SsrcGroup sg(cricket::kSimSsrcGroupSemantics, ssrcs); |
| sp.ssrcs = ssrcs; |
| sp.ssrc_groups.push_back(sg); |
| sp.cname = cname; |
| return sp; |
| } |
| |
| // There should be an rtx_ssrc per ssrc. |
| cricket::StreamParams CreateSimWithRtxStreamParams( |
| const std::string& cname, |
| const std::vector<uint32_t>& ssrcs, |
| const std::vector<uint32_t>& rtx_ssrcs) { |
| cricket::StreamParams sp = CreateSimStreamParams(cname, ssrcs); |
| for (size_t i = 0; i < ssrcs.size(); ++i) { |
| sp.ssrcs.push_back(rtx_ssrcs[i]); |
| std::vector<uint32_t> fid_ssrcs; |
| fid_ssrcs.push_back(ssrcs[i]); |
| fid_ssrcs.push_back(rtx_ssrcs[i]); |
| cricket::SsrcGroup fid_group(cricket::kFidSsrcGroupSemantics, fid_ssrcs); |
| sp.ssrc_groups.push_back(fid_group); |
| } |
| return sp; |
| } |
| |
| cricket::StreamParams CreatePrimaryWithFecFrStreamParams( |
| const std::string& cname, |
| uint32_t primary_ssrc, |
| uint32_t flexfec_ssrc) { |
| cricket::StreamParams sp; |
| cricket::SsrcGroup sg(cricket::kFecFrSsrcGroupSemantics, |
| {primary_ssrc, flexfec_ssrc}); |
| sp.ssrcs = {primary_ssrc}; |
| sp.ssrc_groups.push_back(sg); |
| sp.cname = cname; |
| return sp; |
| } |
| |
| } // namespace cricket |