bw3tab.c

视频601芯片的驱动源码,你可以完全掌控该芯片了,对于其它多媒体芯片的设计具有参考价值

/*------------------------------------------------------------------------

$Workfile: BW3TAB.C $
$Date: 3/06/96 7:51p $
$Revision: 1 $
* Purpose:	
*			Tables for BW Calculation.			
* Notes:       
*
$History: BW3TAB.C $
 * 
 * *****************  Version 1  *****************
 * User: Stevel       Date: 3/06/96    Time: 7:51p
 * Created in $/601cman
 * Initial release

  
    This code and information is provided "as is" without warranty of any
    kind, either expressed or implied, including but not limited to the
    implied warranties of merchantability and/or fitness for a particular
    purpose.
  
    1996 Analog Devices, Inc. 
  
-------------------------------------------------------------------------*/

#define NPT 41

static float natural_bpp_table [NBLOCKS][NPT] = {
 {
  0.001026f,  0.001026f,  0.001027f,  0.001027f,  0.001068f,  0.001103f,
  0.001103f,  0.001264f,  0.002160f,  0.009158f,  0.047637f,  0.091143f,
  0.152233f,  0.243260f,  0.351218f,  0.488761f,  0.667769f,  0.878150f,
  1.119010f,  1.361319f,  1.656699f,  1.987965f,  2.376206f,  2.787630f,
  3.250063f,  3.739753f,  4.280617f,  4.889255f,  5.568591f,  6.329392f,
  7.160958f,  8.090520f,  9.085882f, 10.159617f, 11.327943f, 12.539210f,
 13.799814f, 15.047209f, 16.333889f, 17.488684f, 18.616600f, },
 {
  0.001540f,  0.001540f,  0.001540f,  0.001540f,  0.001545f,  0.001545f,
  0.001625f,  0.001988f,  0.002428f,  0.003884f,  0.012326f,  0.036087f,
  0.106128f,  0.269338f,  0.429666f,  0.672948f,  0.985863f,  1.334223f,
  1.638532f,  1.928893f,  2.228583f,  2.541637f,  2.861636f,  3.229783f,
  3.634574f,  4.053971f,  4.550384f,  5.062809f,  5.603707f,  6.251497f,
  6.888484f,  7.587545f,  8.390162f,  9.257277f, 10.158862f, 11.153401f,
 12.063255f, 12.892819f, 13.745714f, 14.483022f, 15.094791f, },
 {
  0.001540f,  0.001540f,  0.001540f,  0.001540f,  0.001543f,  0.001543f,
  0.001796f,  0.001796f,  0.002678f,  0.004360f,  0.023309f,  0.062645f,
  0.148207f,  0.267491f,  0.413288f,  0.641364f,  0.930095f,  1.218184f,
  1.535548f,  1.865714f,  2.193562f,  2.510683f,  2.843407f,  3.212799f,
  3.604076f,  4.028845f,  4.526531f,  5.036375f,  5.623004f,  6.228359f,
  6.889989f,  7.606692f,  8.349008f,  9.221866f, 10.127627f, 11.085273f,
 12.035421f, 12.967130f, 13.804121f, 14.599226f, 15.250609f, },
 {
  0.002487f,  0.002487f,  0.002490f,  0.002490f,  0.002541f,  0.002612f,
  0.003176f,  0.004788f,  0.009266f,  0.024490f,  0.050181f,  0.097451f,
  0.165544f,  0.263142f,  0.395321f,  0.556924f,  0.744133f,  0.957991f,
  1.185999f,  1.441196f,  1.741058f,  2.090016f,  2.481863f,  2.899477f,
  3.349538f,  3.842127f,  4.390389f,  5.007819f,  5.700815f,  6.472740f,
  7.324728f,  8.266649f,  9.293756f, 10.400157f, 11.571752f, 12.804280f,
 14.063167f, 15.316299f, 16.549675f, 17.737637f, 18.866367f, },
 {
  0.004900f,  0.004900f,  0.004900f,  0.004901f,  0.004901f,  0.004902f,
  0.005074f,  0.005344f,  0.005811f,  0.005830f,  0.007378f,  0.013127f,
  0.056531f,  0.243189f,  0.475995f,  0.814489f,  1.144649f,  1.548601f,
  1.840243f,  2.127656f,  2.432886f,  2.710849f,  3.140167f,  3.430958f,
  3.983781f,  4.481127f,  4.986080f,  5.671784f,  6.247142f,  6.859538f,
  7.580221f,  8.328685f,  9.154029f, 10.186628f, 11.099549f, 12.256825f,
 13.151605f, 13.994156f, 15.068644f, 15.638051f, 16.265223f, },
 {
  0.004901f,  0.004901f,  0.004905f,  0.004905f,  0.005144f,  0.005212f,
  0.005230f,  0.005502f,  0.006167f,  0.006241f,  0.010664f,  0.022567f,
  0.083111f,  0.245954f,  0.429689f,  0.732912f,  1.078666f,  1.478137f,
  1.818292f,  2.132774f,  2.402435f,  2.706541f,  3.045225f,  3.413952f,
  3.907305f,  4.380718f,  4.960069f,  5.593957f,  6.191569f,  6.823351f,
  7.543703f,  8.257990f,  9.084674f, 10.048983f, 11.008731f, 12.102626f,
 13.029615f, 14.014866f, 14.909080f, 15.612885f, 16.300024f, },
 {
  0.002484f,  0.002484f,  0.002484f,  0.002484f,  0.002488f,  0.002488f,
  0.002554f,  0.002781f,  0.003284f,  0.015851f,  0.049972f,  0.115600f,
  0.218543f,  0.305247f,  0.413023f,  0.543614f,  0.708271f,  0.896276f,
  1.113173f,  1.357315f,  1.624407f,  1.927730f,  2.260986f,  2.640552f,
  3.067886f,  3.541135f,  4.065727f,  4.651896f,  5.296088f,  6.011202f,
  6.820953f,  7.689146f,  8.641981f,  9.664309f, 10.754317f, 11.896892f,
 13.090207f, 14.315806f, 15.523123f, 16.693150f, 17.830832f, },
 {
  0.004895f,  0.004895f,  0.004895f,  0.004895f,  0.004902f,  0.004902f,
  0.004999f,  0.005485f,  0.006646f,  0.013007f,  0.027590f,  0.067757f,
  0.170985f,  0.270188f,  0.419926f,  0.618466f,  0.881101f,  1.173733f,
  1.484596f,  1.794713f,  2.112997f,  2.442400f,  2.781235f,  3.146168f,
  3.533452f,  3.953178f,  4.432139f,  4.941434f,  5.538316f,  6.136599f,
  6.798803f,  7.566520f,  8.270911f,  9.156015f, 10.058534f, 10.986050f,
 11.947127f, 12.893738f, 13.764156f, 14.595357f, 15.371915f, },
 {
  0.004894f,  0.004895f,  0.004895f,  0.004896f,  0.004896f,  0.004922f,
  0.004922f,  0.005493f,  0.007749f,  0.017762f,  0.043687f,  0.090076f,
  0.175971f,  0.277293f,  0.416856f,  0.582649f,  0.791070f,  1.055942f,
  1.366800f,  1.690309f,  2.020673f,  2.327830f,  2.657089f,  3.008323f,
  3.394052f,  3.818660f,  4.268073f,  4.788912f,  5.319886f,  5.945851f,
  6.573733f,  7.287968f,  8.059764f,  8.807532f,  9.725181f, 10.586125f,
 11.520215f, 12.492441f, 13.396588f, 14.238389f, 15.021679f, },
 {
  0.002486f,  0.002486f,  0.002486f,  0.002487f,  0.002487f,  0.002613f,
  0.003063f,  0.003135f,  0.006020f,  0.017842f,  0.032311f,  0.064851f,
  0.107589f,  0.170726f,  0.257782f,  0.387355f,  0.553529f,  0.729475f,
  0.950212f,  1.191057f,  1.464491f,  1.769018f,  2.109989f,  2.489935f,
  2.913670f,  3.393190f,  3.906205f,  4.470306f,  5.086050f,  5.777767f,
  6.544856f,  7.393078f,  8.323857f,  9.326342f, 10.401772f, 11.519677f,
 12.706492f, 13.910826f, 15.114847f, 16.296909f, 17.445614f, },
 {
  0.004900f,  0.004900f,  0.004901f,  0.004901f,  0.004906f,  0.004906f,
  0.004988f,  0.005046f,  0.005361f,  0.006068f,  0.006068f,  0.006068f,
  0.020176f,  0.145807f,  0.416988f,  0.691080f,  1.016211f,  1.351960f,
  1.667424f,  2.003775f,  2.302198f,  2.607836f,  2.943169f,  3.332826f,
  3.770219f,  4.199389f,  4.765436f,  5.317045f,  5.931839f,  6.588109f,
  7.273870f,  7.963445f,  8.824867f,  9.661267f, 10.693864f, 11.698112f,
 12.607549f, 13.659461f, 14.403990f, 15.121985f, 15.986514f, },
 {
  0.004901f,  0.004901f,  0.004901f,  0.004901f,  0.004912f,  0.004912f,
  0.005133f,  0.005467f,  0.006320f,  0.006800f,  0.010192f,  0.034114f,
  0.070532f,  0.172811f,  0.345690f,  0.593827f,  0.897933f,  1.247005f,
  1.603218f,  1.958556f,  2.266632f,  2.577986f,  2.891840f,  3.243865f,
  3.684902f,  4.144091f,  4.638263f,  5.245467f,  5.861517f,  6.478519f,
  7.183759f,  7.938539f,  8.652652f,  9.557023f, 10.526199f, 11.495015f,
 12.515571f, 13.508959f, 14.384636f, 15.133679f, 15.837549f, },
 {
  0.009377f,  0.009377f,  0.009394f,  0.009394f,  0.009723f,  0.009865f,
  0.009990f,  0.011097f,  0.013231f,  0.028966f,  0.057042f,  0.116254f,
  0.179634f,  0.284387f,  0.407912f,  0.566918f,  0.749739f,  0.960985f,
  1.195761f,  1.444878f,  1.728457f,  2.046295f,  2.406821f,  2.794001f,
  3.220160f,  3.710453f,  4.254927f,  4.866875f,  5.540905f,  6.289604f,
  7.110306f,  8.023015f,  9.013361f, 10.084731f, 11.221931f, 12.430305f,
 13.664290f, 14.886788f, 16.096233f, 17.271679f, 18.398539f, },
 {
  0.018540f,  0.018540f,  0.018540f,  0.018542f,  0.018542f,  0.018566f,
  0.018566f,  0.019466f,  0.021619f,  0.025252f,  0.044966f,  0.081498f,
  0.157215f,  0.279659f,  0.467997f,  0.708175f,  1.032243f,  1.348714f,
  1.706344f,  2.041508f,  2.306106f,  2.680437f,  2.965853f,  3.374017f,
  3.757544f,  4.238310f,  4.819756f,  5.352665f,  6.024004f,  6.663575f,
  7.362303f,  8.145462f,  8.928346f,  9.861582f, 10.853112f, 11.805215f,
 12.875237f, 13.804876f, 14.532333f, 15.561043f, 16.150309f, },
 {
  0.018540f,  0.018540f,  0.018541f,  0.018541f,  0.018552f,  0.018552f,
  0.018707f,  0.022662f,  0.024645f,  0.034330f,  0.050831f,  0.095253f,
  0.169794f,  0.285953f,  0.445609f,  0.664131f,  0.945105f,  1.243447f,
  1.585163f,  1.920303f,  2.249208f,  2.586063f,  2.899392f,  3.289457f,
  3.672662f,  4.117176f,  4.649095f,  5.180291f,  5.817296f,  6.473469f,
  7.168679f,  7.946501f,  8.742220f,  9.652391f, 10.565669f, 11.540827f,
 12.526918f, 13.458975f, 14.332697f, 15.241414f, 15.898061f, },
 {
  0.009368f,  0.009368f,  0.009368f,  0.009369f,  0.009369f,  0.009383f,
  0.009383f,  0.009619f,  0.011808f,  0.018391f,  0.038891f,  0.106917f,
  0.215656f,  0.333829f,  0.456156f,  0.609516f,  0.767215f,  0.948282f,
  1.167153f,  1.414881f,  1.690179f,  2.006271f,  2.339750f,  2.716909f,
  3.131647f,  3.599289f,  4.120038f,  4.711530f,  5.352086f,  6.087696f,
  6.922148f,  7.798276f,  8.753863f,  9.791630f, 10.898247f, 12.026059f,
 13.209078f, 14.427354f, 15.622497f, 16.804739f, 17.955002f, },
 {
  0.018530f,  0.018530f,  0.018530f,  0.018530f,  0.018530f,  0.018530f,
  0.018535f,  0.020940f,  0.020940f,  0.024329f,  0.048140f,  0.103453f,
  0.185906f,  0.305985f,  0.441145f,  0.615665f,  0.812970f,  1.025281f,
  1.270919f,  1.549920f,  1.854296f,  2.191118f,  2.544387f,  2.900585f,
  3.292497f,  3.704864f,  4.141251f,  4.646523f,  5.138093f,  5.769671f,
  6.366209f,  7.058141f,  7.841807f,  8.596330f,  9.474616f, 10.356073f,
 11.256272f, 12.162808f, 13.054073f, 13.868714f, 14.692727f, },
 {
  0.018530f,  0.018530f,  0.018530f,  0.018530f,  0.018535f,  0.018535f,
  0.018605f,  0.020028f,  0.020028f,  0.027583f,  0.064358f,  0.102532f,
  0.208044f,  0.298948f,  0.453102f,  0.630256f,  0.815875f,  1.036395f,
  1.265935f,  1.508175f,  1.822079f,  2.117930f,  2.458512f,  2.804198f,
  3.158909f,  3.555281f,  3.996346f,  4.468391f,  4.999278f,  5.567398f,
  6.213004f,  6.834552f,  7.603156f,  8.394206f,  9.179376f, 10.035957f,
 10.930678f, 11.809082f, 12.666042f, 13.579051f, 14.395294f, },
 {
  0.009373f,  0.009373f,  0.009375f,  0.009375f,  0.009406f,  0.009406f,
  0.009960f,  0.011167f,  0.011823f,  0.019649f,  0.042346f,  0.084360f,
  0.145653f,  0.224656f,  0.327861f,  0.456807f,  0.590840f,  0.787995f,
  1.057161f,  1.328078f,  1.622952f,  1.934550f,  2.269948f,  2.641225f,
  3.068237f,  3.543975f,  4.075717f,  4.663801f,  5.335766f,  6.053112f,
  6.829277f,  7.712258f,  8.676289f,  9.716558f, 10.800109f, 11.942924f,
 13.125405f, 14.311750f, 15.517814f, 16.697031f, 17.808208f, },
 {
  0.018499f,  0.018500f,  0.018500f,  0.018500f,  0.018500f,  0.018505f,
  0.018505f,  0.019057f,  0.023301f,  0.037751f,  0.054953f,  0.083730f,
  0.130434f,  0.227893f,  0.315755f,  0.481933f,  0.697152f,  1.034149f,
  1.360060f,  1.716001f,  2.096128f,  2.392583f,  2.753111f,  3.100871f,
  3.471752f,  3.946136f,  4.347859f,  4.945200f,  5.524356f,  6.145188f,
  6.860029f,  7.562628f,  8.341352f,  9.128243f, 10.053204f, 10.951306f,
 11.936413f, 12.855109f, 13.858752f, 14.605568f, 15.358268f, },
 {
  0.018500f,  0.018500f,  0.018501f,  0.018501f,  0.018515f,  0.018515f,
  0.019140f,  0.021820f,  0.026946f,  0.033120f,  0.045394f,  0.073721f,
  0.122595f,  0.198670f,  0.275889f,  0.379018f,  0.545377f,  0.797396f,
  1.093224f,  1.431133f,  1.827863f,  2.154878f,  2.536086f,  2.882482f,
  3.258963f,  3.694831f,  4.135488f,  4.615561f,  5.105659f,  5.764565f,
  6.387925f,  7.075925f,  7.907147f,  8.680753f,  9.500148f, 10.453312f,
 11.356814f, 12.270032f, 13.229881f, 14.146027f, 14.989581f, },
 {
  0.038032f,  0.038032f,  0.038032f,  0.038033f,  0.038033f,  0.038044f,
  0.038044f,  0.038282f,  0.044373f,  0.050822f,  0.078132f,  0.160604f,
  0.276474f,  0.426516f,  0.587341f,  0.805041f,  1.011196f,  1.230677f,
  1.458836f,  1.709254f,  1.967224f,  2.243067f,  2.504030f,  2.786183f,
  3.078494f,  3.390896f,  3.731237f,  4.107446f,  4.518884f,  4.973038f,
  5.468100f,  6.006238f,  6.590910f,  7.236415f,  7.926931f,  8.669965f,
  9.458463f, 10.283200f, 11.189432f, 12.157574f, 13.204762f, },
 {
  0.070346f,  0.070346f,  0.070347f,  0.070347f,  0.070358f,  0.070358f,
  0.070520f,  0.070520f,  0.075658f,  0.078525f,  0.085825f,  0.138252f,
  0.253992f,  0.372929f,  0.513399f,  0.733157f,  0.974649f,  1.240939f,