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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2008-11-13 22:38:38 +0000 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2008-11-13 22:38:38 +0000 |
| commit | e202cc2580c97b69c1795ac59049c3a295b2d078 (patch) | |
| tree | d1391e7f869c885d1aa213798ec76b1ca09cfb9d /libavcodec/ac3dec_data.c | |
| parent | 83534418f0c53dc2f9d603c05d127d09184f1234 (diff) | |
| download | ffmpeg-e202cc2580c97b69c1795ac59049c3a295b2d078.tar.gz | |
revert r15812 (E-AC-3 Spectral Extension) pending further review
Originally committed as revision 15818 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ac3dec_data.c')
| -rw-r--r-- | libavcodec/ac3dec_data.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/libavcodec/ac3dec_data.c b/libavcodec/ac3dec_data.c index fb21888c78..a70c8fca45 100644 --- a/libavcodec/ac3dec_data.c +++ b/libavcodec/ac3dec_data.c @@ -1127,52 +1127,6 @@ const uint8_t ff_eac3_frm_expstr[32][6] = { const uint8_t ff_eac3_default_cpl_band_struct[18] = { 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1 }; - /** - * Table E2.15 Default Spectral Extension Banding Structure - */ -const uint8_t ff_eac3_default_spx_band_struct[17] = -{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 }; - -/** - * Table E.25: Spectral Extension Attenuation Table - * 24-bit fixed-point version of the floating-point table in the specification. - * ff_eac3_spx_atten_tab[code][bin]=lrint(pow(1<<(bin+1),(code+1)/-15.0)*(1<<23)); - */ -const int32_t ff_eac3_spx_atten_tab[32][3] = { - { 8009792, 7648083, 7302707 }, - { 7648083, 6972929, 6357376 }, - { 7302707, 6357376, 5534417 }, - { 6972929, 5796163, 4817990 }, - { 6658043, 5284492, 4194304 }, - { 6357376, 4817990, 3651354 }, - { 6070287, 4392670, 3178688 }, - { 5796163, 4004896, 2767209 }, - { 5534417, 3651354, 2408995 }, - { 5284492, 3329021, 2097152 }, - { 5045853, 3035144, 1825677 }, - { 4817990, 2767209, 1589344 }, - { 4600417, 2522926, 1383604 }, - { 4392670, 2300209, 1204498 }, - { 4194304, 2097152, 1048576 }, - { 4004896, 1912021, 912838 }, - { 3824041, 1743232, 794672 }, - { 3651354, 1589344, 691802 }, - { 3486464, 1449041, 602249 }, - { 3329021, 1321123, 524288 }, - { 3178688, 1204498, 456419 }, - { 3035144, 1098167, 397336 }, - { 2898081, 1001224, 345901 }, - { 2767209, 912838, 301124 }, - { 2642246, 832255, 262144 }, - { 2522926, 758786, 228210 }, - { 2408995, 691802, 198668 }, - { 2300209, 630732, 172951 }, - { 2196335, 575052, 150562 }, - { 2097152, 524288, 131072 }, - { 2002448, 478005, 114105 }, - { 1912021, 435808, 99334 } -}; - /** * Table of bin locations for rematrixing bands * reference: Section 7.5.2 Rematrixing : Frequency Band Definitions |