Originally committed as revision 14958 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@@ -87,18 +87,19 @@ const int16_t ff_eac3_gaq_remap_2_4_a[9][2] = {
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| 87 | 87 |
/** |
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* Table E3.6, Gk=2 & Gk=4, B |
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* Large mantissa inverse quantization, negative mantissa remapping offsets |
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+ * Table values from the spec are right-shifted by 8 to simplify calculations. |
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* ff_eac3_gaq_remap_3_4_b[hebap-8][Gk=2,4] |
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*/ |
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-const int16_t ff_eac3_gaq_remap_2_4_b[9][2] = {
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- { -5461, -1170},
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- { -11703, -4915},
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- { -14199, -6606},
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- { -15327, -7412},
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- { -15864, -7805},
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- { -16126, -7999},
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- { -16255, -8096},
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- { -16320, -8144},
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- { -16352, -8168}
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+const int8_t ff_eac3_gaq_remap_2_4_b[9][2] = {
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+ { -22, -5 },
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+ { -46, -20 },
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+ { -56, -26 },
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+ { -60, -29 },
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+ { -62, -31 },
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+ { -63, -32 },
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+ { -64, -32 },
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+ { -64, -32 },
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+ { -64, -32 },
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}; |
| 103 | 104 |
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static const int16_t vq_hebap1[4][6] = {
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| ... | ... |
@@ -29,7 +29,7 @@ extern const uint8_t ff_eac3_hebap_tab[64]; |
| 29 | 29 |
extern const uint8_t ff_eac3_bits_vs_hebap[20]; |
| 30 | 30 |
extern const int16_t ff_eac3_gaq_remap_1[12]; |
| 31 | 31 |
extern const int16_t ff_eac3_gaq_remap_2_4_a[9][2]; |
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-extern const int16_t ff_eac3_gaq_remap_2_4_b[9][2]; |
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+extern const int8_t ff_eac3_gaq_remap_2_4_b[9][2]; |
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| 33 | 33 |
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extern const int16_t (*ff_eac3_vq_hebap[8])[6]; |
| 35 | 35 |
extern const uint8_t ff_eac3_frm_expstr[32][6]; |