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libavutil/samplefmt.h

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00001 /*
00002  * This file is part of FFmpeg.
00003  *
00004  * FFmpeg is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * FFmpeg is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with FFmpeg; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00017  */
00018 
00019 #ifndef AVUTIL_SAMPLEFMT_H
00020 #define AVUTIL_SAMPLEFMT_H
00021 
00022 #include "avutil.h"
00023 
00027 enum AVSampleFormat {
00028     AV_SAMPLE_FMT_NONE = -1,
00029     AV_SAMPLE_FMT_U8,          
00030     AV_SAMPLE_FMT_S16,         
00031     AV_SAMPLE_FMT_S32,         
00032     AV_SAMPLE_FMT_FLT,         
00033     AV_SAMPLE_FMT_DBL,         
00034     AV_SAMPLE_FMT_NB           
00035 };
00036 
00041 const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt);
00042 
00047 enum AVSampleFormat av_get_sample_fmt(const char *name);
00048 
00061 char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt);
00062 
00063 #if FF_API_GET_BITS_PER_SAMPLE_FMT
00064 
00067 attribute_deprecated
00068 int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt);
00069 #endif
00070 
00078 int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt);
00079 
00102 int av_samples_fill_arrays(uint8_t *pointers[8], int linesizes[8],
00103                            uint8_t *buf, int nb_channels, int nb_samples,
00104                            enum AVSampleFormat sample_fmt, int planar, int align);
00105 
00120 int av_samples_alloc(uint8_t *pointers[8], int linesizes[8],
00121                      int nb_channels, int nb_samples,
00122                      enum AVSampleFormat sample_fmt, int planar,
00123                      int align);
00124 
00125 #endif /* AVCORE_SAMPLEFMT_H */

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