c20978e581
NOPRESUBMIT=True # cpplint errors that aren't caused by this CL. NOTRY=True NOTREECHECKS=True TBR=kwiberg@webrtc.org, kjellander@webrtc.org Bug: webrtc:7634 Change-Id: I3cca0fbaa807b563c95979cccd6d1bec32055f36 Reviewed-on: https://chromium-review.googlesource.com/562156 Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18919}
77 lines
2.4 KiB
C++
77 lines
2.4 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/modules/rtp_rtcp/include/rtp_header_parser.h"
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#include "webrtc/modules/rtp_rtcp/include/rtp_header_extension_map.h"
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#include "webrtc/modules/rtp_rtcp/source/rtp_utility.h"
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#include "webrtc/rtc_base/criticalsection.h"
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namespace webrtc {
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class RtpHeaderParserImpl : public RtpHeaderParser {
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public:
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RtpHeaderParserImpl();
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virtual ~RtpHeaderParserImpl() {}
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bool Parse(const uint8_t* packet,
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size_t length,
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RTPHeader* header) const override;
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bool RegisterRtpHeaderExtension(RTPExtensionType type, uint8_t id) override;
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bool DeregisterRtpHeaderExtension(RTPExtensionType type) override;
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private:
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rtc::CriticalSection critical_section_;
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RtpHeaderExtensionMap rtp_header_extension_map_ GUARDED_BY(critical_section_);
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};
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RtpHeaderParser* RtpHeaderParser::Create() {
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return new RtpHeaderParserImpl;
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}
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RtpHeaderParserImpl::RtpHeaderParserImpl() {}
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bool RtpHeaderParser::IsRtcp(const uint8_t* packet, size_t length) {
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RtpUtility::RtpHeaderParser rtp_parser(packet, length);
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return rtp_parser.RTCP();
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}
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bool RtpHeaderParserImpl::Parse(const uint8_t* packet,
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size_t length,
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RTPHeader* header) const {
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RtpUtility::RtpHeaderParser rtp_parser(packet, length);
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memset(header, 0, sizeof(*header));
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RtpHeaderExtensionMap map;
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{
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rtc::CritScope cs(&critical_section_);
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map = rtp_header_extension_map_;
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}
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const bool valid_rtpheader = rtp_parser.Parse(header, &map);
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if (!valid_rtpheader) {
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return false;
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}
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return true;
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}
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bool RtpHeaderParserImpl::RegisterRtpHeaderExtension(RTPExtensionType type,
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uint8_t id) {
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rtc::CritScope cs(&critical_section_);
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return rtp_header_extension_map_.RegisterByType(id, type);
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}
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bool RtpHeaderParserImpl::DeregisterRtpHeaderExtension(RTPExtensionType type) {
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rtc::CritScope cs(&critical_section_);
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return rtp_header_extension_map_.Deregister(type) == 0;
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}
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} // namespace webrtc
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