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FFmpeg PCMA Audio

2025-03-01 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >

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Shulou(Shulou.com)06/03 Report--

1) PCMA

When PCMA is transmitted in a RTP message, you can clearly see the sign PT = ITU-T G.711 PCMA. It takes up more bandwidth. Audio NAL has no start code as a definition

2) mp3

Ffplay plays mp3 audio

FFmpeg version 4.0.1

Audio Open Interface SDL_OpenAudioDevice

Ffplay-showmode 1 output.mp3

The noise of the effect card is not the same as that of NetEYYun music.

Reason av_log_set_callback (log_callback_help); write a file to the log

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