Re: [PATCH] Recognize audio format mp3 in wav files

On Thu, Jul 26, 2012 at 09:11:35AM +0200, Ingo Brückl wrote:
> Reimar Döffinger wrote on Wed, 25 Jul 2012 21:33:27 +0200:
> 
> > On Wed, Jul 25, 2012 at 11:20:34AM +0200, Ingo Brückl wrote:
> >> 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.
> 
> > The problem is that is it _is_ a WAV file, and it needs the parsing
> > steps related to WAV (like reading and respecting the data size).