mirror of
https://github.com/mpv-player/mpv
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66f4e56389
-- Support for runtime cpu detection -- Stand alone compile of libaf -- Unlimited number of channels (compiletime switch) -- Sample format defined by bit-fields -- New formats: float, A-Law and mu-law -- Format conversion set in human readable format i.e. format=4:us_be to set 32 bit unsigned big endian output -- Format reporting in human readable format -- Volume control has only one parameter for setting the volume i.e. volume=-10.0:1:0:1 to set atenuation = -10dB git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8168 b3059339-0415-0410-9bf9-f77b7e298cf2
33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
/* 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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