16e03b7bd8
BUG=2535 R=andrew@webrtc.org, mflodman@webrtc.org, niklas.enbom@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2659004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5042 4adac7df-926f-26a2-2b94-8c16560cd09d
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
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* Copyright (c) 2013 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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#include "webrtc/test/generate_ssrcs.h"
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#include <assert.h>
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#include <stdlib.h>
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#include "webrtc/video_send_stream.h"
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namespace webrtc {
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namespace test {
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void GenerateRandomSsrcs(VideoSendStream::Config* config,
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std::map<uint32_t, bool>* reserved_ssrcs) {
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size_t num_ssrcs = config->codec.numberOfSimulcastStreams;
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std::vector<uint32_t>* ssrcs = &config->rtp.ssrcs;
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assert(ssrcs->size() == 0);
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if (num_ssrcs == 0) {
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num_ssrcs = 1;
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}
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while (ssrcs->size() < num_ssrcs) {
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uint32_t rand_ssrc = static_cast<uint32_t>(rand() + 1); // NOLINT
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// Make sure the ssrc is unique per-call
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while (true) {
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if (!(*reserved_ssrcs)[rand_ssrc]) {
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(*reserved_ssrcs)[rand_ssrc] = true;
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break;
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}
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++rand_ssrc;
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}
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ssrcs->push_back(rand_ssrc);
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}
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}
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} // namespace test
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} // namespace webrtc
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