* commit '27245b4e1bbb7a863341db321b5bdc5792e427d9': dca: remove embedded downmix coefficient extraction. Conflicts: libavcodec/dcadata.h libavcodec/dcadec.c
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| @@ -7505,22 +7505,6 @@ DECLARE_ALIGNED(16, static const float, lfe_fir_128)[] = · 7504 unmodified lines | |||
| 7505 | 0.01724460535, 0.47964480519, 0.48503074050, 0.01805862412, | 7505 | 0.01724460535, 0.47964480519, 0.48503074050, 0.01805862412, |
| 7506 | }; | 7506 | }; |
| 7507 | 7507 | ||
| 7508 | /* 10^-(dB/20), with dB being a list of dB values ranging from 0 to -72 */ | ||
| 7509 | /* do a 20*log10(dca_downmix_coeffs) to reconvert the values */ | ||
| 7510 | |||
| 7511 | static const float dca_downmix_coeffs[65] = { | ||
| 7512 | 1.000000000000000, 0.988553094656939, 0.971627951577106, 0.944060876285923, 0.917275935389780, 0.891250938133746, | ||
| 7513 | 0.865964323360065, 0.841395141645195, 0.817523037943650, 0.794328234724281, 0.771791515585012, 0.749894209332456, | ||
| 7514 | 0.728618174513228, 0.707945784384138, 0.687859912308808, 0.668343917568615, 0.649381631576211, 0.630957344480193, | ||
| 7515 | 0.613055792149821, 0.595662143529010, 0.578761988349121, 0.562341325190349, 0.546386549881854, 0.530884444230988, | ||
| 7516 | 0.515822165072306, 0.501187233627272, 0.446683592150963, 0.398107170553497, 0.354813389233575, 0.316227766016838, | ||
| 7517 | 0.281838293126445, 0.251188643150958, 0.223872113856834, 0.199526231496888, 0.177827941003892, 0.158489319246111, | ||
| 7518 | 0.141253754462275, 0.125892541179417, 0.112201845430196, 0.100000000000000, 0.089125093813374, 0.079432823472428, | ||
| 7519 | 0.070794578438414, 0.063095734448019, 0.053088444423099, 0.044668359215096, 0.037583740428844, 0.031622776601684, | ||
| 7520 | 0.026607250597988, 0.022387211385683, 0.018836490894898, 0.015848931924611, 0.013335214321633, 0.011220184543020, | ||
| 7521 | 0.009440608762859, 0.007943282347243, 0.005623413251903, 0.003981071705535, 0.002818382931264, 0.001995262314969, | ||
| 7522 | 0.001412537544623, 0.001000000000000, 0.000501187233627, 0.000251188643151, 0.000000000000000, | ||
| 7523 | }; | ||
| 7524 | 7508 | ||
| 7525 | static const float dca_downmix_scale_factors[241] = { | 7509 | static const float dca_downmix_scale_factors[241] = { |
| 7526 | 0.001000, 0.001059, 0.001122, 0.001189, 0.001259, 0.001334, 0.001413, 0.001496, | 7510 | 0.001000, 0.001059, 0.001122, 0.001189, 0.001259, 0.001334, 0.001413, 0.001496, |