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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 
     35 BundleFilter::BundleFilter() {
     36 }
     37 
     38 BundleFilter::~BundleFilter() {
     39 }
     40 
     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 
     54 void BundleFilter::AddPayloadType(int payload_type) {
     55   payload_types_.insert(payload_type);
     56 }
     57 
     58 bool BundleFilter::FindPayloadType(int pl_type) const {
     59   return payload_types_.find(pl_type) != payload_types_.end();
     60 }
     61 
     62 void BundleFilter::ClearAllPayloadTypes() {
     63   payload_types_.clear();
     64 }
     65 
     66 }  // namespace cricket
     67