
If neteq_rtpplay is invoked with the --ssrc option to select packets matching a specific SSRC, but no matching packets are found, this CL provides a meaningful error message. BUG=webrtc:2692 NOTRY=True TBR=ivoc@webrtc.org Review-Url: https://codereview.webrtc.org/2318503002 Cr-Commit-Position: refs/heads/master@{#14083}