1. The tool now displays packet loss in %. 2. It can print header information to stdout like rtp_analyze. 3. It has a command-line switch that lets you override the sample rate guessing. With the flag "--query_sample_rate" the tool asks you to always provide a sample rate. 4. Less decimals are printed for the estimated sample rate. NOTRY=True Review-Url: https://codereview.webrtc.org/2123773002 Cr-Commit-Position: refs/heads/master@{#13385}