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1 /*
2  * libjingle
3  * Copyright 2004 Google Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  *  1. Redistributions of source code must retain the above copyright notice,
9  *     this list of conditions and the following disclaimer.
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  */
27 
28 #include "talk/session/media/bundlefilter.h"
29 
30 #include "talk/media/base/rtputils.h"
31 #include "webrtc/base/logging.h"
32 
33 namespace cricket {
34 
BundleFilter()35 BundleFilter::BundleFilter() {
36 }
37 
~BundleFilter()38 BundleFilter::~BundleFilter() {
39 }
40 
DemuxPacket(const uint8_t * data,size_t len)41 bool BundleFilter::DemuxPacket(const uint8_t* data, size_t len) {
42   // For RTP packets, we check whether the payload type can be found.
43   if (!IsRtpPacket(data, len)) {
44     return false;
45   }
46 
47   int payload_type = 0;
48   if (!GetRtpPayloadType(data, len, &payload_type)) {
49     return false;
50   }
51   return FindPayloadType(payload_type);
52 }
53 
AddPayloadType(int payload_type)54 void BundleFilter::AddPayloadType(int payload_type) {
55   payload_types_.insert(payload_type);
56 }
57 
FindPayloadType(int pl_type) const58 bool BundleFilter::FindPayloadType(int pl_type) const {
59   return payload_types_.find(pl_type) != payload_types_.end();
60 }
61 
ClearAllPayloadTypes()62 void BundleFilter::ClearAllPayloadTypes() {
63   payload_types_.clear();
64 }
65 
66 }  // namespace cricket
67