`self` refers to `window` in browser context, causing SPS parameters
to be set on the global object instead of the H264Context instance.
This prevents the decoder from ever being properly configured.
Try to be more consistent in how we capitalize things. Both the "Title
Case" and "Sentence case" styles are popular, so either would work.
Google and Mozilla both prefer "Sentence case", so let's follow them.
keradoxchen