[Libav-user] How to get layer info at opening mpeg audio file via av_open_input_file()

Reither, Robert Robert.Reither at Honeywell.com
Wed Apr 11 12:14:09 CEST 2012

Hi, maybe it's a rather stupid question (im pretty new to ffmpeg), but I have problem correctly detected mp2 files (need to distinguish between m2 and mp3 format)

av_open_input_file()  just returns me ID CODEC_ID_MP3 (15001) if I open an mp2 file and not 15000 as for layer2 (would be better 4 me)
So how can I further parse the header in file, having the AVFormatContext handle  to get the layer info ?

Robert Reither
Research & Development
Honeywell Life Safety Austria GmbH
Lemböckgasse 49
1230 Wien/Vienna, Austria

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robert.reither at honeywell.com<mailto:robert.reither at honeywell.com>

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