fix: failed to execute appendBuffer on SourceBuffer

[xiaoyuhen]

fix: failed to execute appendBuffer on SourceBuffer

Description

see https://stackoverflow.com/a/21249496

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 #57 into master will decrease coverage by 0.37%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master     #57      +/-   ##
=========================================
- Coverage   52.57%   52.2%   -0.38%     
=========================================
  Files         123     123              
  Lines        1687    1699      +12     
=========================================
  Hits          887     887              
- Misses        800     812      +12

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

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