PeerStreamer

/*

 * This file is part of FFmpeg.

 *

 * FFmpeg 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.

 *

 * FFmpeg 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 FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#ifndef AVCORE_SAMPLEFMT_H

#define AVCORE_SAMPLEFMT_H

#include "avcore.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 dynamically linking to libavcore

};

/**

 * 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 /* AVCORE_SAMPLEFMT_H */