FFmpeg: libavresample/internal.h Source File

00001 /*
00002  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
00003  *
00004  * This file is part of Libav.
00005  *
00006  * Libav is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * Libav is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with Libav; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef AVRESAMPLE_INTERNAL_H
00022 #define AVRESAMPLE_INTERNAL_H
00023 
00024 #include "libavutil/audio_fifo.h"
00025 #include "libavutil/log.h"
00026 #include "libavutil/opt.h"
00027 #include "libavutil/samplefmt.h"
00028 #include "avresample.h"
00029 #include "audio_convert.h"
00030 #include "audio_data.h"
00031 #include "audio_mix.h"
00032 #include "resample.h"
00033 
00034 struct AVAudioResampleContext {
00035     const AVClass *av_class;        
00037     uint64_t in_channel_layout;                 
00038     enum AVSampleFormat in_sample_fmt;          
00039     int in_sample_rate;                         
00040     uint64_t out_channel_layout;                
00041     enum AVSampleFormat out_sample_fmt;         
00042     int out_sample_rate;                        
00043     enum AVSampleFormat internal_sample_fmt;    
00044     enum AVMixCoeffType mix_coeff_type;         
00045     double center_mix_level;                    
00046     double surround_mix_level;                  
00047     double lfe_mix_level;                       
00048     int force_resampling;                       
00049     int filter_size;                            
00050     int phase_shift;                            
00051     int linear_interp;                          
00052     double cutoff;                              
00054     int in_channels;        
00055     int out_channels;       
00056     int resample_channels;  
00057     int downmix_needed;     
00058     int upmix_needed;       
00059     int mixing_needed;      
00060     int resample_needed;    
00061     int in_convert_needed;  
00062     int out_convert_needed; 
00064     AudioData *in_buffer;           
00065     AudioData *resample_out_buffer; 
00066     AudioData *out_buffer;          
00067     AVAudioFifo *out_fifo;          
00069     AudioConvert *ac_in;        
00070     AudioConvert *ac_out;       
00071     ResampleContext *resample;  
00072     AudioMix *am;               
00073 };
00074 
00075 #endif /* AVRESAMPLE_INTERNAL_H */