[MPlayer-dev-eng] [PATCH] Recognize audio format mp3 in wav files

Ingo Brückl ib at wupperonline.de
Wed Jul 25 11:20:34 CEST 2012

Reimar Döffinger wrote on Tue, 24 Jul 2012 21:58:51 +0200:

> On 24 Jul 2012, at 13:23, Ingo Brückl <ib at wupperonline.de> wrote:
>> Subject says it all.
>> I happen to have a wav file that contains mp3 data. MPlayer's default
>> demuxer can't play it, while -demuxer lavf plays it just fine. The patch
>> makes MPlayer's default demuxer to play it as well.
>> If there are no objections, I'd like to commit.

> It doesn't really seem right to me, looks like it forces the demuxer to
> misdetect it as raw MP3 file.

Yes, that's the basic idea.

> What exactly is the problem/why does it not work?
> Is it maybe just a matter of enabling parsing in that case?

It is a wav file with RIFF/WAVE/fmt header, but audio format 0x55 0x00 (mp3).
It currently will be detected as frmt == WAV and does not play.

I thought I've improved parsing, but if I didn't please advise.


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