/* * 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 #include "config.h" #include "core/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_40BIT (4<<3) #define AF_FORMAT_48BIT (5<<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_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_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_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); int af_bits2fmt(int bits); char* af_fmt2str(int format, char* str, int size); const char* af_fmt2str_short(int format); #endif /* MPLAYER_AF_FORMAT_H */