mirror of https://github.com/mpv-player/mpv
33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
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/* The sample format system used lin libaf is based on bitmasks. The
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format definition only refers to the storage format not the
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resolution. */
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// Endianess
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#define AF_FORMAT_BE (0<<0) // Big Endian
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#define AF_FORMAT_LE (1<<0) // Little Endian
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#define AF_FORMAT_END_MASK (1<<0)
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#if WORDS_BIGENDIAN // Native endian of cpu
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#define AF_FORMAT_NE AF_FORMAT_BE
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#else
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#define AF_FORMAT_NE AF_FORMAT_LE
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#endif
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// Signed/unsigned
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#define AF_FORMAT_SI (0<<1) // SIgned
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#define AF_FORMAT_US (1<<1) // Un Signed
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#define AF_FORMAT_SIGN_MASK (1<<1)
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// Fixed of floating point
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#define AF_FORMAT_I (0<<2) // Int
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#define AF_FORMAT_F (1<<2) // Foating point
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#define AF_FORMAT_POINT_MASK (1<<2)
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// Special flags refering to non pcm data
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#define AF_FORMAT_MU_LAW (1<<3) //
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#define AF_FORMAT_A_LAW (2<<3) //
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#define AF_FORMAT_MPEG2 (3<<3) // MPEG(2) audio
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#define AF_FORMAT_AC3 (4<<3) // Dolby Digital AC3
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#define AF_FORMAT_IMA_ADPCM AF_FORMAT_LE|AF_FORMAT_SI // Same as 16 bit signed int
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#define AF_FORMAT_SPECIAL_MASK (7<<3)
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