Merge "stagefright: use ColorUtils to determine RGB matrix" into udc-dev

    const bool is10Bit = (mSrcFormat == COLOR_FormatYUVP010

            || mSrcFormat == OMX_COLOR_FormatYUV420Planar16);

    switch (mSrcColorSpace.mStandard) {

    case ColorUtils::kColorStandardBT601_525:

    case ColorUtils::kColorStandardBT601_625:

    ColorAspects::Primaries primaries;

    ColorAspects::MatrixCoeffs matrix;

    if (ColorUtils::unwrapColorAspectsFromColorStandard(

            mSrcColorSpace.mStandard, &primaries, &matrix) != OK) {

        matrix = ColorAspects::MatrixUnspecified;

    }

    switch (matrix) {

    case ColorAspects::MatrixBT601_6:

    case ColorAspects::MatrixBT470_6M:   // use 601 matrix as that is the closest for now

    case ColorAspects::MatrixSMPTE240M:  // use 601 matrix as that is the closest for now

        return (isFullRange ? &BT601_FULL :

                is10Bit ? &BT601_LTD_10BIT : &BT601_LIMITED);

    case ColorUtils::kColorStandardBT709:

    case ColorAspects::MatrixBT709_5:

        return (isFullRange ? &BT709_FULL :

                is10Bit ? &BT709_LTD_10BIT : &BT709_LIMITED);

    case ColorUtils::kColorStandardBT2020:

    case ColorAspects::MatrixBT2020:

    case ColorAspects::MatrixBT2020Constant: // use 2020 matrix as that is the closest for now

        return (isFullRange ? &BT2020_FULL :

                is10Bit ? &BT2020_LTD_10BIT : &BT2020_LIMITED);

    default:

        // for now use the default matrices for unhandled color spaces

        // TODO: fail?

        // return nullptr;

        [[fallthrough]];

    case ColorUtils::kColorStandardUnspecified:

        if (isFullRange) {

            return is10Bit ? &BT2020_FULL : &BT601_FULL;

        // use BT.2020 for 10-bit and 601 for 8-bit by default

        if (is10Bit) {

            return isFullRange ? &BT2020_FULL : &BT2020_LTD_10BIT;

        } else {

            return isFullRange ? &BT601_FULL : &BT601_LIMITED;

        }

        return is10Bit ? &BT2020_LTD_10BIT : &BT601_LIMITED;

    }

}