On Wednesday 28 November 2001 03:40 pm, Manoj Palki wrote: > Hi, > I am trying to encode raw PCM files into mp3 using the libmp3lame > library. > The PCM files are sampled at 8000khz, 16bit mono. > My rather basic questions are > > 1) Should I read from the PCM file into an unsigned or a signed buffer? > 2) When I call the function 'lame_encode_buffer_int' should I input 576 > samples or 1152 samples? > > Thanks > Manoj > _______________________________________________ > mp3encoder mailing list > [EMAIL PROTECTED] > http://minnie.tuhs.org/mailman/listinfo/mp3encoder
http://www.evilcode.net/dklame/dk.c I wrote this a while back when I was playing with the library. It has a lot of limitations, only supports two-channel waves and other misc. little things, but it's nice and simple. It makes use of libsndfile for the reading aspect. Hopefully you'll find it at least a little bit useful. If I remember correctly there are different function in libmp3lame for different types of input, where lame_encode_buffer[_int] takes the type that its name implies, so, signed. (libsndfile can return the data read from the source pretty much any way you desire). And I belive lame_encode_buffer_* expects 1152 samples, someone please correct me if I'm, errr, wrong. :) Sam _______________________________________________ mp3encoder mailing list [EMAIL PROTECTED] http://minnie.tuhs.org/mailman/listinfo/mp3encoder
