Hi Mike, Thanks a lot for your input!! I have merge the code into ffmpeg libavcodec, and the flow is refered from wma.c that you mentioned. but I got a problem. the function ff_imdct_calc cause SIGSEGV error (memory access error in linux )when decode audio data , do you have any idea?
2014-09-12 3:29 GMT+08:00 Mike <giac2...@hotmail.com>: > > > Could you explain more detail about your idea? > since I have question about how to decode wma file. > the container used for wma file is ASF, how to demux asf in Rockbox? > the data that read by asf_read_packet (to read an ASF packet) can be put > into decode ,right? > that does not include container data? > Could you kindly give the hints? > > > > > You can demux an ASF packet by calling asf_read_packet, which will give > you (IIRC) enough compressed data to decode at least one superframe. > > If you haven't already, take a look at wma.c. I didn't write most of that > code, but the logic looks fairly clear (call asf_read_packet, pass data > to the decoder, repeat until out of data). > > Mike >
