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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2009-05-21 00:09:23 +0000 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2009-05-21 00:09:23 +0000 |
| commit | ae04de316f03d038b21078c803007cb8f955777a (patch) | |
| tree | 20eddcb0e2161d80b7c41ba2a9e458f2f4a17040 /libavcodec/ac3dec_data.c | |
| parent | e20a4f53a091ae74e6c9e9a280eefe5c59c7ebe4 (diff) | |
| download | ffmpeg-streaming-ae04de316f03d038b21078c803007cb8f955777a.zip ffmpeg-streaming-ae04de316f03d038b21078c803007cb8f955777a.tar.gz | |
eac3dec: revert commit r18860. keep the AHT IDCT 24-bit. will make AHT GAQ
dequantization 24-bit in a separate commit.
Originally committed as revision 18887 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ac3dec_data.c')
| -rw-r--r-- | libavcodec/ac3dec_data.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/libavcodec/ac3dec_data.c b/libavcodec/ac3dec_data.c index b9f98f9..2a3719e 100644 --- a/libavcodec/ac3dec_data.c +++ b/libavcodec/ac3dec_data.c @@ -87,18 +87,19 @@ const int16_t ff_eac3_gaq_remap_2_4_a[9][2] = { /** * Table E3.6, Gk=2 & Gk=4, B * Large mantissa inverse quantization, negative mantissa remapping offsets + * Table values from the spec are right-shifted by 8 to simplify calculations. * ff_eac3_gaq_remap_3_4_b[hebap-8][Gk=2,4] */ -const int16_t ff_eac3_gaq_remap_2_4_b[9][2] = { - { -5461, -1170 }, - { -11703, -4915 }, - { -14199, -6606 }, - { -15327, -7412 }, - { -15864, -7805 }, - { -16126, -7999 }, - { -16255, -8096 }, - { -16320, -8144 }, - { -16352, -8168 } +const int8_t ff_eac3_gaq_remap_2_4_b[9][2] = { + { -22, -5 }, + { -46, -20 }, + { -56, -26 }, + { -60, -29 }, + { -62, -31 }, + { -63, -32 }, + { -64, -32 }, + { -64, -32 }, + { -64, -32 }, }; static const int16_t vq_hebap1[4][6] = { |
