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 00035 AV_SAMPLE_FMT_U8P, 00036 AV_SAMPLE_FMT_S16P, 00037 AV_SAMPLE_FMT_S32P, 00038 AV_SAMPLE_FMT_FLTP, 00039 AV_SAMPLE_FMT_DBLP, 00040 00041 AV_SAMPLE_FMT_NB 00042 }; 00043 00048 const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt); 00049 00054 enum AVSampleFormat av_get_sample_fmt(const char *name); 00055 00062 enum AVSampleFormat av_get_alt_sample_fmt(enum AVSampleFormat sample_fmt, int planar); 00063 00076 char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt); 00077 00078 #if FF_API_GET_BITS_PER_SAMPLE_FMT 00079 00082 attribute_deprecated 00083 int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt); 00084 #endif 00085 00093 int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt); 00094 00101 int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt); 00102 00112 int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, 00113 enum AVSampleFormat sample_fmt, int align); 00114 00136 int av_samples_fill_arrays(uint8_t **audio_data, int *linesize, uint8_t *buf, 00137 int nb_channels, int nb_samples, 00138 enum AVSampleFormat sample_fmt, int align); 00139 00153 int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels, 00154 int nb_samples, enum AVSampleFormat sample_fmt, int align); 00155 00156 #endif /* AVUTIL_SAMPLEFMT_H */