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https://github.com/mollyim/webrtc.git
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fd20171d28
This prevents printing warning messages when the extensions aren't found. The real parsing is done deeper in the stack and is unaffected. Bug: webrtc:9510 Change-Id: Idf09f0e69c223bd4217be7044d21d1d0bbbdab92 Reviewed-on: https://webrtc-review.googlesource.com/c/110615 Reviewed-by: Stefan Holmer <stefan@webrtc.org> Commit-Queue: Sebastian Jansson <srte@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25612}
92 lines
3 KiB
C++
92 lines
3 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 "modules/rtp_rtcp/include/rtp_header_parser.h"
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#include <string.h>
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#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
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#include "modules/rtp_rtcp/source/rtp_utility.h"
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#include "rtc_base/criticalsection.h"
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#include "rtc_base/thread_annotations.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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~RtpHeaderParserImpl() override = default;
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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 RegisterRtpHeaderExtension(RtpExtension extension) override;
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bool DeregisterRtpHeaderExtension(RTPExtensionType type) override;
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bool DeregisterRtpHeaderExtension(RtpExtension extension) override;
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private:
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rtc::CriticalSection critical_section_;
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RtpHeaderExtensionMap rtp_header_extension_map_
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RTC_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(RtpExtension extension) {
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rtc::CritScope cs(&critical_section_);
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return rtp_header_extension_map_.RegisterByUri(extension.id, extension.uri);
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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(RtpExtension extension) {
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rtc::CritScope cs(&critical_section_);
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return rtp_header_extension_map_.Deregister(
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rtp_header_extension_map_.GetType(extension.id));
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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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