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/*
* The sample format system used lin libaf is based on bitmasks.
* The format definition only refers to the storage format,
* not the resolution.
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_AF_FORMAT_H
#define MPLAYER_AF_FORMAT_H
#include <sys/types.h>
#include "config.h"
#include "mpvcore/bstr.h"
// Endianness
#define AF_FORMAT_BE (0<<0) // Big Endian
#define AF_FORMAT_LE (1<<0) // Little Endian
#define AF_FORMAT_END_MASK (1<<0)
#if BYTE_ORDER == BIG_ENDIAN
#define AF_FORMAT_NE AF_FORMAT_BE
#else
#define AF_FORMAT_NE AF_FORMAT_LE
#endif
// Signed/unsigned
#define AF_FORMAT_SI (0<<1) // Signed
#define AF_FORMAT_US (1<<1) // Unsigned
#define AF_FORMAT_SIGN_MASK (1<<1)
// Fixed or floating point
#define AF_FORMAT_I (0<<2) // Int
#define AF_FORMAT_F (1<<2) // Foating point
#define AF_FORMAT_POINT_MASK (1<<2)
// Bits used
#define AF_FORMAT_8BIT (0<<3)
#define AF_FORMAT_16BIT (1<<3)
#define AF_FORMAT_24BIT (2<<3)
#define AF_FORMAT_32BIT (3<<3)
#define AF_FORMAT_64BIT (4<<3)
#define AF_FORMAT_BITS_MASK (7<<3)
// Special flags refering to non pcm data (note: 1<<6, 2<<6, 5<<6 unused)
#define AF_FORMAT_MPEG2 (3<<6) // MPEG(2) audio
#define AF_FORMAT_AC3 (4<<6) // Dolby Digital AC3
#define AF_FORMAT_IEC61937 (6<<6)
#define AF_FORMAT_SPECIAL_MASK (7<<6)
#define AF_FORMAT_MASK ((1<<9)-1)
// PREDEFINED formats
#define AF_FORMAT_U8 (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_8BIT|AF_FORMAT_NE)
#define AF_FORMAT_S8 (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_8BIT|AF_FORMAT_NE)
#define AF_FORMAT_U16_LE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_16BIT|AF_FORMAT_LE)
#define AF_FORMAT_U16_BE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_16BIT|AF_FORMAT_BE)
#define AF_FORMAT_S16_LE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_16BIT|AF_FORMAT_LE)
#define AF_FORMAT_S16_BE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_16BIT|AF_FORMAT_BE)
#define AF_FORMAT_U24_LE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_24BIT|AF_FORMAT_LE)
#define AF_FORMAT_U24_BE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_24BIT|AF_FORMAT_BE)
#define AF_FORMAT_S24_LE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_24BIT|AF_FORMAT_LE)
#define AF_FORMAT_S24_BE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_24BIT|AF_FORMAT_BE)
#define AF_FORMAT_U32_LE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_32BIT|AF_FORMAT_LE)
#define AF_FORMAT_U32_BE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_32BIT|AF_FORMAT_BE)
#define AF_FORMAT_S32_LE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_32BIT|AF_FORMAT_LE)
#define AF_FORMAT_S32_BE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_32BIT|AF_FORMAT_BE)
#define AF_FORMAT_FLOAT_LE (AF_FORMAT_F|AF_FORMAT_32BIT|AF_FORMAT_LE)
#define AF_FORMAT_FLOAT_BE (AF_FORMAT_F|AF_FORMAT_32BIT|AF_FORMAT_BE)
#define AF_FORMAT_DOUBLE_LE (AF_FORMAT_F|AF_FORMAT_64BIT|AF_FORMAT_LE)
#define AF_FORMAT_DOUBLE_BE (AF_FORMAT_F|AF_FORMAT_64BIT|AF_FORMAT_BE)
#define AF_FORMAT_AC3_LE (AF_FORMAT_AC3|AF_FORMAT_16BIT|AF_FORMAT_LE)
#define AF_FORMAT_AC3_BE (AF_FORMAT_AC3|AF_FORMAT_16BIT|AF_FORMAT_BE)
#define AF_FORMAT_IEC61937_LE (AF_FORMAT_IEC61937|AF_FORMAT_16BIT|AF_FORMAT_LE)
#define AF_FORMAT_IEC61937_BE (AF_FORMAT_IEC61937|AF_FORMAT_16BIT|AF_FORMAT_BE)
#if BYTE_ORDER == BIG_ENDIAN
#define AF_FORMAT_U16_NE AF_FORMAT_U16_BE
#define AF_FORMAT_S16_NE AF_FORMAT_S16_BE
#define AF_FORMAT_U24_NE AF_FORMAT_U24_BE
#define AF_FORMAT_S24_NE AF_FORMAT_S24_BE
#define AF_FORMAT_U32_NE AF_FORMAT_U32_BE
#define AF_FORMAT_S32_NE AF_FORMAT_S32_BE
#define AF_FORMAT_FLOAT_NE AF_FORMAT_FLOAT_BE
#define AF_FORMAT_DOUBLE_NE AF_FORMAT_DOUBLE_BE
#define AF_FORMAT_AC3_NE AF_FORMAT_AC3_BE
#define AF_FORMAT_IEC61937_NE AF_FORMAT_IEC61937_BE
#else
#define AF_FORMAT_U16_NE AF_FORMAT_U16_LE
#define AF_FORMAT_S16_NE AF_FORMAT_S16_LE
#define AF_FORMAT_U24_NE AF_FORMAT_U24_LE
#define AF_FORMAT_S24_NE AF_FORMAT_S24_LE
#define AF_FORMAT_U32_NE AF_FORMAT_U32_LE
#define AF_FORMAT_S32_NE AF_FORMAT_S32_LE
#define AF_FORMAT_FLOAT_NE AF_FORMAT_FLOAT_LE
#define AF_FORMAT_DOUBLE_NE AF_FORMAT_DOUBLE_LE
#define AF_FORMAT_AC3_NE AF_FORMAT_AC3_LE
#define AF_FORMAT_IEC61937_NE AF_FORMAT_IEC61937_LE
#endif
#define AF_FORMAT_UNKNOWN (-1)
#define AF_FORMAT_IS_AC3(fmt) (((fmt) & AF_FORMAT_SPECIAL_MASK) == AF_FORMAT_AC3)
#define AF_FORMAT_IS_IEC61937(fmt) (AF_FORMAT_IS_AC3(fmt) || ((fmt) & AF_FORMAT_SPECIAL_MASK) == AF_FORMAT_IEC61937)
struct af_fmt_entry {
const char *name;
int format;
};
extern const struct af_fmt_entry af_fmtstr_table[];
int af_str2fmt_short(bstr str);
int af_fmt2bits(int format);
// Amount of bytes that contain audio of the given duration, aligned to frames.
int af_fmt_seconds_to_bytes(int format, float seconds, int channels, int samplerate);
char* af_fmt2str(int format, char* str, int size);
const char* af_fmt2str_short(int format);
#endif /* MPLAYER_AF_FORMAT_H */
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