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1 /* | 1 /* |
2 * libjingle | 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
3 * Copyright 2011 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 // This file contains structures for describing SSRCs from a media source such | 11 // This file contains structures for describing SSRCs from a media source such |
29 // as a MediaStreamTrack when it is sent across an RTP session. Multiple media | 12 // as a MediaStreamTrack when it is sent across an RTP session. Multiple media |
30 // sources may be sent across the same RTP session, each of them will be | 13 // sources may be sent across the same RTP session, each of them will be |
31 // described by one StreamParams object | 14 // described by one StreamParams object |
32 // SsrcGroup is used to describe the relationship between the SSRCs that | 15 // SsrcGroup is used to describe the relationship between the SSRCs that |
33 // are used for this media source. | 16 // are used for this media source. |
34 // E.x: Consider a source that is sent as 3 simulcast streams | 17 // E.x: Consider a source that is sent as 3 simulcast streams |
35 // Let the simulcast elements have SSRC 10, 20, 30. | 18 // Let the simulcast elements have SSRC 10, 20, 30. |
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311 bool IsOneSsrcStream(const StreamParams& sp); | 294 bool IsOneSsrcStream(const StreamParams& sp); |
312 | 295 |
313 // Checks if |sp| defines parameters for one Simulcast stream. There may be RTX | 296 // Checks if |sp| defines parameters for one Simulcast stream. There may be RTX |
314 // streams associated with the simulcast streams. Leaving as non-static so we | 297 // streams associated with the simulcast streams. Leaving as non-static so we |
315 // can test this function. | 298 // can test this function. |
316 bool IsSimulcastStream(const StreamParams& sp); | 299 bool IsSimulcastStream(const StreamParams& sp); |
317 | 300 |
318 } // namespace cricket | 301 } // namespace cricket |
319 | 302 |
320 #endif // WEBRTC_MEDIA_BASE_STREAMPARAMS_H_ | 303 #endif // WEBRTC_MEDIA_BASE_STREAMPARAMS_H_ |
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