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[downloader/ism] Support ec-3 codec (#5004)

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Closes #296
Authored by: nixxo
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nixxo 2022-09-30 19:33:29 +02:00 • committed by GitHub
commit 81b6102d20
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5 changed files with 293 additions and 3 deletions
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yt_dlp/downloader/ism.py
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@ -138,6 +138,8 @@ def write_piff_header(stream, params):
if fourcc == 'AACL':
sample_entry_box = box(b'mp4a', sample_entry_payload)
if fourcc == 'EC-3':
sample_entry_box = box(b'ec-3', sample_entry_payload)
elif stream_type == 'video':
sample_entry_payload += u16.pack(0) # pre defined
sample_entry_payload += u16.pack(0) # reserved