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 AVCODEC_AUDIOCONVERT_H 00024 #define AVCODEC_AUDIOCONVERT_H 00025 00032 #include "libavutil/cpu.h" 00033 #include "avcodec.h" 00034 #include "libavutil/channel_layout.h" 00035 00036 struct AVAudioConvert; 00037 typedef struct AVAudioConvert AVAudioConvert; 00038 00049 AVAudioConvert *av_audio_convert_alloc(enum AVSampleFormat out_fmt, int out_channels, 00050 enum AVSampleFormat in_fmt, int in_channels, 00051 const float *matrix, int flags); 00052 00056 void av_audio_convert_free(AVAudioConvert *ctx); 00057 00066 int av_audio_convert(AVAudioConvert *ctx, 00067 void * const out[6], const int out_stride[6], 00068 const void * const in[6], const int in_stride[6], int len); 00069 00070 #endif /* AVCODEC_AUDIOCONVERT_H */
1.5.8