title: How to decode sprop-parameter-sets in a H264 SDP?
body: <p>What is the meaning of Base64 decoded bytes in sprop-parameter-sets in SDP for a h264 stream? How can I know the video size from this example?</p>
  
  <p>SDP example: </p>
  
  <pre><code>sprop-parameter-sets=Z0IAKeNQFAe2AtwEBAaQeJEV,aM48gA==
  </code></pre>
  
  <p>First part decoded from Base64 to Base16:</p>
  
  <pre><code>67 42 00 29 E3 50 14 07 B6 02 DC 04 04 06 90 78 91 15
  </code></pre>
  
  <p>Second part (comma separated):</p>
  
  <pre><code>68 CE 3C 80
  </code></pre>
  
  <p><strong>ANSWER:</strong> <a href="https://stackoverflow.com/questions/6394874/fetching-the-dimensions-of-a-h264video-stream/6477652#6477652">Fetching the dimensions of a H264Video stream</a></p>