mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.3 KiB
70 lines
2.3 KiB
/* |
|
* This file is part of Libav. |
|
* |
|
* Libav is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* Libav is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#ifndef AVUTIL_SAMPLEFMT_H |
|
#define AVUTIL_SAMPLEFMT_H |
|
|
|
/** |
|
* all in native-endian format |
|
*/ |
|
enum AVSampleFormat { |
|
AV_SAMPLE_FMT_NONE = -1, |
|
AV_SAMPLE_FMT_U8, ///< unsigned 8 bits |
|
AV_SAMPLE_FMT_S16, ///< signed 16 bits |
|
AV_SAMPLE_FMT_S32, ///< signed 32 bits |
|
AV_SAMPLE_FMT_FLT, ///< float |
|
AV_SAMPLE_FMT_DBL, ///< double |
|
AV_SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if linking dynamically |
|
}; |
|
|
|
/** |
|
* Return the name of sample_fmt, or NULL if sample_fmt is not |
|
* recognized. |
|
*/ |
|
const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt); |
|
|
|
/** |
|
* Return a sample format corresponding to name, or AV_SAMPLE_FMT_NONE |
|
* on error. |
|
*/ |
|
enum AVSampleFormat av_get_sample_fmt(const char *name); |
|
|
|
/** |
|
* Generate a string corresponding to the sample format with |
|
* sample_fmt, or a header if sample_fmt is negative. |
|
* |
|
* @param buf the buffer where to write the string |
|
* @param buf_size the size of buf |
|
* @param sample_fmt the number of the sample format to print the |
|
* corresponding info string, or a negative value to print the |
|
* corresponding header. |
|
* @return the pointer to the filled buffer or NULL if sample_fmt is |
|
* unknown or in case of other errors |
|
*/ |
|
char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt); |
|
|
|
/** |
|
* Return sample format bits per sample. |
|
* |
|
* @param sample_fmt the sample format |
|
* @return number of bits per sample or zero if unknown for the given |
|
* sample format |
|
*/ |
|
int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt); |
|
|
|
#endif /* AVUTIL_SAMPLEFMT_H */
|
|
|