title: H264 with multiple PPS and SPS
body: <p>I have a card that produces a H264 stream with a SPS (Sequence Parameter Set) and a PPS (Picture Parameter Set), in that order, directly before each I-Frame. I see that most H264 streams contain a PPS and SPS at the first I-Frame. </p>
  
  <p>Is this recommended? Do decoders/muxers typically support multiple PPS and SRS? </p>