fix: exceeding the buffering quota

[xiaoyuhen]

fix: exceeding the buffering quota

Description

If SourceBuffer has too much data in it, calling SourceBuffer.appendBuffer() will trigger the following message in the Chrome console window.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[codecov-io]

Codecov Report

Merging #75 into master will decrease coverage by 0.59%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master      #75     +/-   ##
=========================================
- Coverage    51.5%   50.91%   -0.6%     
=========================================
  Files         123      124      +1     
  Lines        1722     1742     +20     
=========================================
  Hits          887      887             
- Misses        835      855     +20

Impacted Files	Coverage Δ
packages/griffith-mp4/src/mse/polyfill.js	0% <0%> (ø)
packages/griffith-mp4/src/mse/controller.js	0% <0%> (ø)	⬆️

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