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Don't check MIDs when demuxing RTP packets in Call

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The MID header extension is handled by the RtpTransport
which lives above Call and takes care of demuxing to SSRC.

Bug: webrtc:4050
Change-Id: I27135e296ae9c7b15e926ba17547c26c75684ad6
Reviewed-on: https://webrtc-review.googlesource.com/65025
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22682}
This commit is contained in:
Steve Anton 2018-03-29 12:59:17 -07:00 committed by Commit Bot
parent 003930a3ce
commit ed09dc6f56
3 changed files with 13 additions and 2 deletions
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2
call/rtp_demuxer.cc
View file

@ -168,7 +168,7 @@ RtpPacketSinkInterface* RtpDemuxer::ResolveSink(
// RSID and RRID are routed to the same sinks. If an RSID is specified on a
// repair packet, it should be ignored and the RRID should be used.
std::string packet_mid, packet_rsid;
bool has_mid = packet.GetExtension<RtpMid>(&packet_mid);
bool has_mid = use_mid_ && packet.GetExtension<RtpMid>(&packet_mid);
bool has_rsid = packet.GetExtension<RepairedRtpStreamId>(&packet_rsid);
if (!has_rsid) {
has_rsid = packet.GetExtension<RtpStreamId>(&packet_rsid);

6
call/rtp_demuxer.h
View file

@ -137,6 +137,10 @@ class RtpDemuxer {
// Deprecated: Use the above method.
void DeregisterRsidResolutionObserver(const SsrcBindingObserver* observer);
// Configure whether to look at the MID header extension when demuxing
// incoming RTP packets. By default this is enabled.
void set_use_mid(bool use_mid) { use_mid_ = use_mid; }
private:
// Returns true if adding a sink with the given criteria would cause conflicts
// with the existing criteria and should be rejected.
@ -197,6 +201,8 @@ class RtpDemuxer {
// Observers which will be notified when an RSID association to an SSRC is
// resolved by this object.
std::vector<SsrcBindingObserver*> ssrc_binding_observers_;
bool use_mid_ = true;
};
} // namespace webrtc

7
call/rtp_stream_receiver_controller.cc
View file

@ -35,7 +35,12 @@ RtpStreamReceiverController::Receiver::~Receiver() {
controller_->RemoveSink(sink_);
}
RtpStreamReceiverController::RtpStreamReceiverController() = default;
RtpStreamReceiverController::RtpStreamReceiverController() {
// At this level the demuxer is only configured to demux by SSRC, so don't
// worry about MIDs (MIDs are handled by upper layers).
demuxer_.set_use_mid(false);
}
RtpStreamReceiverController::~RtpStreamReceiverController() = default;
std::unique_ptr<RtpStreamReceiverInterface>