[MPlayer-dev-eng] Audio Filter howto?

[Gustavo Sverzut Barbieri]

Hello,

   I'm trying to create a af_export, that is, a audio filter that
exports the sound from mplayer.
   I'm doing that because I need the audio from mplayer to use with
another software I'll work... that software needs 2 channel with 512
samples int16.

   Ok, I looked at af.h and af_volume.c to get a idea on how to do
that... but I still have some questions.
   
   af->data will have valid values?

   How to convert data->audio (from play()) to 2 ch with 512 int16
samples?

   What is the best form to export data? I'm thinking to use mmap(),
but I never used it, so need to learn... anyone to give me some
examples / pointers ?


Sorry for that amount of questions... hope that you will help me :)


Gustavo

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