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HE-AAC и sample rate
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Max Lapshin
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Oct 30, 2015, 10:35:29 AM
10/30/15
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Коллеги, а кто-нибудь реализовывал детекцию he-aac своими силами?
Не в ffmpeg засунуть, а самому распарсить части aac фрейма.
Евгений Викулов
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Oct 31, 2015, 1:48:36 PM
10/31/15
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в коде nginx-rtmp есть
такое
Max Lapshin
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Nov 1, 2015, 3:01:59 AM
11/1/15
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Это чтение mp4 заголовка :(
Там явная индикация sbr.
В mpegts идет adts, в нем без читерства указывается lp, после чего надо пропарсить весь фрейм и найти там sbr блок :((
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