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Side by Side Diff: webrtc/media/base/streamparams.h

Issue 2603203003: Revert of Replace basictypes.h with stdint.h for int_t types. (Closed)
Patch Set: Created 3 years, 11 months ago
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1 /* 1 /*
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 // 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
12 // 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
13 // 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
14 // described by one StreamParams object 14 // described by one StreamParams object
15 // SsrcGroup is used to describe the relationship between the SSRCs that 15 // SsrcGroup is used to describe the relationship between the SSRCs that
16 // are used for this media source. 16 // are used for this media source.
17 // 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
18 // Let the simulcast elements have SSRC 10, 20, 30. 18 // Let the simulcast elements have SSRC 10, 20, 30.
19 // Let each simulcast element use FEC and let the protection packets have 19 // Let each simulcast element use FEC and let the protection packets have
20 // SSRC 11,21,31. 20 // SSRC 11,21,31.
21 // To describe this 4 SsrcGroups are needed, 21 // To describe this 4 SsrcGroups are needed,
22 // StreamParams would then contain ssrc = {10,11,20,21,30,31} and 22 // StreamParams would then contain ssrc = {10,11,20,21,30,31} and
23 // ssrc_groups = {{SIM,{10,20,30}, {FEC,{10,11}, {FEC, {20,21}, {FEC {30,31}}} 23 // ssrc_groups = {{SIM,{10,20,30}, {FEC,{10,11}, {FEC, {20,21}, {FEC {30,31}}}
24 // Please see RFC 5576. 24 // Please see RFC 5576.
25 25
26 #ifndef WEBRTC_MEDIA_BASE_STREAMPARAMS_H_ 26 #ifndef WEBRTC_MEDIA_BASE_STREAMPARAMS_H_
27 #define WEBRTC_MEDIA_BASE_STREAMPARAMS_H_ 27 #define WEBRTC_MEDIA_BASE_STREAMPARAMS_H_
28 28
29 #include <stdint.h>
30
31 #include <algorithm> 29 #include <algorithm>
32 #include <set> 30 #include <set>
33 #include <string> 31 #include <string>
34 #include <vector> 32 #include <vector>
35 33
34 #include "webrtc/base/basictypes.h"
36 #include "webrtc/base/constructormagic.h" 35 #include "webrtc/base/constructormagic.h"
37 36
38 namespace cricket { 37 namespace cricket {
39 38
40 extern const char kFecSsrcGroupSemantics[]; 39 extern const char kFecSsrcGroupSemantics[];
41 extern const char kFecFrSsrcGroupSemantics[]; 40 extern const char kFecFrSsrcGroupSemantics[];
42 extern const char kFidSsrcGroupSemantics[]; 41 extern const char kFidSsrcGroupSemantics[];
43 extern const char kSimSsrcGroupSemantics[]; 42 extern const char kSimSsrcGroupSemantics[];
44 43
45 struct SsrcGroup { 44 struct SsrcGroup {
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308 bool IsOneSsrcStream(const StreamParams& sp); 307 bool IsOneSsrcStream(const StreamParams& sp);
309 308
310 // Checks if |sp| defines parameters for one Simulcast stream. There may be RTX 309 // Checks if |sp| defines parameters for one Simulcast stream. There may be RTX
311 // streams associated with the simulcast streams. Leaving as non-static so we 310 // streams associated with the simulcast streams. Leaving as non-static so we
312 // can test this function. 311 // can test this function.
313 bool IsSimulcastStream(const StreamParams& sp); 312 bool IsSimulcastStream(const StreamParams& sp);
314 313
315 } // namespace cricket 314 } // namespace cricket
316 315
317 #endif // WEBRTC_MEDIA_BASE_STREAMPARAMS_H_ 316 #endif // WEBRTC_MEDIA_BASE_STREAMPARAMS_H_
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