That helps but the problem is I give it 196608 bytes of the mp3 file and it still returns 0.
I dont know whats not working ... Thanks -Mat On Sunday 12 May 2002 13:19, you wrote: > > Hi, > > I dont know if this is the right mailing list for such a question the > > mailing list link on the lame homepage links to a file so I dont know... > > Im using the lame interface to decode mp3s. But whenever I call > > lame_decode it returns 0, meaning according to the header file that it > > needs more data, Im wondering how much data I should give it ?? What is > > an ideal size for the mp3buffer? > > And while we're at it could someone tell me what the len param is for? > > The size of the pcm buffer or the size of the mp3 buffer? > > > > Thanks > > -Mat > > -- > > Mathieu Dube -- [EMAIL PROTECTED] > > 8D Technologies Inc. > > http://www.8d.com > > Hi Mat, > > I'm not sure what the optimal size is, but I would guess the larger > the better. The lame frontend decoder (which is far from optimal) > feeds the decoder a few bytes at a time until the header is parsed, > and after that calls lame_decode with 1K bytes of data. > > I see the documentation in lame.h for 'lame_decode_*()' functions is > pretty sparse. I added this, which should answer your questions: > > > /********************************************************************* > * input 1 mp3 frame, output (maybe) pcm data. > * > * nout = lame_decode(mp3buf,len,pcm_l,pcm_r); > * > * input: > * len : number of bytes of mp3 data in mp3buf > * mp3buf[len] : mp3 data to be decoded > * > * output: > * nout: -1 : decoding error > * 0 : need more data before we can complete the decode > * >0 : returned 'nout' samples worth of data in pcm_l,pcm_r > * pcm_l[nout] : left channel data > * pcm_r[nout] : right channel data > * > *********************************************************************/ > > > > _______________________________________________ > mp3encoder mailing list > [EMAIL PROTECTED] > http://minnie.tuhs.org/mailman/listinfo/mp3encoder -- Mathieu Dube -- [EMAIL PROTECTED] 8D Technologies Inc. http://www.8d.com _______________________________________________ mp3encoder mailing list [EMAIL PROTECTED] http://minnie.tuhs.org/mailman/listinfo/mp3encoder
