libswresample/audioconvert.h
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00001 /*
00002  * audio conversion
00003  * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
00004  * Copyright (c) 2008 Peter Ross
00005  *
00006  * This file is part of FFmpeg.
00007  *
00008  * FFmpeg is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2.1 of the License, or (at your option) any later version.
00012  *
00013  * FFmpeg is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public
00019  * License along with FFmpeg; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  */
00022 
00023 #ifndef SWR_AUDIOCONVERT_H
00024 #define SWR_AUDIOCONVERT_H
00025 
00032 #include "swresample_internal.h"
00033 #include "libavutil/cpu.h"
00034 #include "libavutil/audioconvert.h"
00035 
00036 struct AudioConvert;
00037 typedef struct AudioConvert AudioConvert;
00038 
00049 AudioConvert *swri_audio_convert_alloc(enum AVSampleFormat out_fmt,
00050                                        enum AVSampleFormat in_fmt,
00051                                        int channels, const int *ch_map,
00052                                        int flags);
00053 
00058 void swri_audio_convert_free(AudioConvert **ctx);
00059 
00066 int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len);
00067 
00068 #endif /* AUDIOCONVERT_H */