[nihav.git] / src / formats.rs

use std::string::*;
use std::fmt;

#[derive(Debug,Copy,Clone,PartialEq)]
pub struct NASoniton {
    bits:       u8,
    be:         bool,
    packed:     bool,
    planar:     bool,
    float:      bool,
    signed:     bool,
}

pub const SONITON_FLAG_BE     :u32 = 0x01;
pub const SONITON_FLAG_PACKED :u32 = 0x02;
pub const SONITON_FLAG_PLANAR :u32 = 0x04;
pub const SONITON_FLAG_FLOAT  :u32 = 0x08;
pub const SONITON_FLAG_SIGNED :u32 = 0x10;

pub const SND_U8_FORMAT: NASoniton = NASoniton { bits: 8, be: false, packed: false, planar: false, float: false, signed: false };
pub const SND_S16_FORMAT: NASoniton = NASoniton { bits: 16, be: false, packed: false, planar: false, float: false, signed: true };
pub const SND_F32P_FORMAT: NASoniton = NASoniton { bits: 32, be: false, packed: false, planar: true, float: true, signed: true };

impl NASoniton {
    pub fn new(bits: u8, flags: u32) -> Self {
        let is_be = (flags & SONITON_FLAG_BE) != 0;
        let is_pk = (flags & SONITON_FLAG_PACKED) != 0;
        let is_pl = (flags & SONITON_FLAG_PLANAR) != 0;
        let is_fl = (flags & SONITON_FLAG_FLOAT) != 0;
        let is_sg = (flags & SONITON_FLAG_SIGNED) != 0;
        NASoniton { bits: bits, be: is_be, packed: is_pk, planar: is_pl, float: is_fl, signed: is_sg }
    }

    pub fn get_bits(&self)  -> u8   { self.bits }
    pub fn is_be(&self)     -> bool { self.be }
    pub fn is_packed(&self) -> bool { self.packed }
    pub fn is_planar(&self) -> bool { self.planar }
    pub fn is_float(&self)  -> bool { self.float }
    pub fn is_signed(&self) -> bool { self.signed }

    pub fn get_audio_size(&self, length: u64) -> usize {
        if self.packed {
            ((length * (self.bits as u64) + 7) >> 3) as usize
        } else {
            (length * (((self.bits + 7) >> 3) as u64)) as usize
        }
    }
}

impl fmt::Display for NASoniton {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let fmt = if self.float { "float" } else if self.signed { "int" } else { "uint" };
        let end = if self.be { "BE" } else { "LE" };
        write!(f, "({} bps, {} planar: {} packed: {} {})", self.bits, end, self.packed, self.planar, fmt)
    }
}

#[derive(Debug,Clone,Copy,PartialEq)]
pub enum NAChannelType {
    C, L, R, Cs, Ls, Rs, Lss, Rss, LFE, Lc, Rc, Lh, Rh, Ch, LFE2, Lw, Rw, Ov, Lhs, Rhs, Chs, Ll, Rl, Cl, Lt, Rt, Lo, Ro
}

impl NAChannelType {
    pub fn is_center(&self) -> bool {
        match *self {
            NAChannelType::C => true,   NAChannelType::Ch => true,
            NAChannelType::Cl => true,  NAChannelType::Ov => true,
            NAChannelType::LFE => true, NAChannelType::LFE2 => true,
            NAChannelType::Cs => true,  NAChannelType::Chs => true,
            _ => false,
        }
    }
    pub fn is_left(&self) -> bool {
        match *self {
            NAChannelType::L   => true, NAChannelType::Ls => true,
            NAChannelType::Lss => true, NAChannelType::Lc => true,
            NAChannelType::Lh  => true, NAChannelType::Lw => true,
            NAChannelType::Lhs => true, NAChannelType::Ll => true,
            NAChannelType::Lt  => true, NAChannelType::Lo => true,
            _ => false,
        }
    }
    pub fn is_right(&self) -> bool {
        match *self {
            NAChannelType::R   => true, NAChannelType::Rs => true,
            NAChannelType::Rss => true, NAChannelType::Rc => true,
            NAChannelType::Rh  => true, NAChannelType::Rw => true,
            NAChannelType::Rhs => true, NAChannelType::Rl => true,
            NAChannelType::Rt  => true, NAChannelType::Ro => true,
            _ => false,
        }
    }
}

impl fmt::Display for NAChannelType {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            NAChannelType::C    => "C".to_string(),
            NAChannelType::L    => "L".to_string(),
            NAChannelType::R    => "R".to_string(),
            NAChannelType::Cs   => "Cs".to_string(),
            NAChannelType::Ls   => "Ls".to_string(),
            NAChannelType::Rs   => "Rs".to_string(),
            NAChannelType::Lss  => "Lss".to_string(),
            NAChannelType::Rss  => "Rss".to_string(),
            NAChannelType::LFE  => "LFE".to_string(),
            NAChannelType::Lc   => "Lc".to_string(),
            NAChannelType::Rc   => "Rc".to_string(),
            NAChannelType::Lh   => "Lh".to_string(),
            NAChannelType::Rh   => "Rh".to_string(),
            NAChannelType::Ch   => "Ch".to_string(),
            NAChannelType::LFE2 => "LFE2".to_string(),
            NAChannelType::Lw   => "Lw".to_string(),
            NAChannelType::Rw   => "Rw".to_string(),
            NAChannelType::Ov   => "Ov".to_string(),
            NAChannelType::Lhs  => "Lhs".to_string(),
            NAChannelType::Rhs  => "Rhs".to_string(),
            NAChannelType::Chs  => "Chs".to_string(),
            NAChannelType::Ll   => "Ll".to_string(),
            NAChannelType::Rl   => "Rl".to_string(),
            NAChannelType::Cl   => "Cl".to_string(),
            NAChannelType::Lt   => "Lt".to_string(),
            NAChannelType::Rt   => "Rt".to_string(),
            NAChannelType::Lo   => "Lo".to_string(),
            NAChannelType::Ro   => "Ro".to_string(),
        };
        write!(f, "{}", name)
    }
}

#[derive(Clone)]
pub struct NAChannelMap {
    ids: Vec<NAChannelType>,
}

impl NAChannelMap {
    pub fn new() -> Self { NAChannelMap { ids: Vec::new() } }
    pub fn add_channel(&mut self, ch: NAChannelType) {
        self.ids.push(ch);
    }
    pub fn add_channels(&mut self, chs: &[NAChannelType]) {
        for i in 0..chs.len() {
            self.ids.push(chs[i]);
        }
    }
    pub fn num_channels(&self) -> usize {
        self.ids.len()
    }
    pub fn get_channel(&self, idx: usize) -> NAChannelType {
        self.ids[idx]
    }
    pub fn find_channel_id(&self, t: NAChannelType) -> Option<u8> {
        for i in 0..self.ids.len() {
            if self.ids[i] as i32 == t as i32 { return Some(i as u8); }
        }
        None
    }
}

#[derive(Debug,Clone,Copy,PartialEq)]
pub enum RGBSubmodel {
    RGB,
    SRGB,
}

impl fmt::Display for RGBSubmodel {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            RGBSubmodel::RGB  => "RGB".to_string(),
            RGBSubmodel::SRGB => "sRGB".to_string(),
        };
        write!(f, "{}", name)
    }
}

#[derive(Debug,Clone,Copy,PartialEq)]
pub enum YUVSubmodel {
    YCbCr,
    YIQ,
    YUVJ,
}

impl fmt::Display for YUVSubmodel {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            YUVSubmodel::YCbCr => "YCbCr".to_string(),
            YUVSubmodel::YIQ   => "YIQ".to_string(),
            YUVSubmodel::YUVJ  => "YUVJ".to_string(),
        };
        write!(f, "{}", name)
    }
}

#[derive(Debug, Clone,Copy,PartialEq)]
pub enum ColorModel {
    RGB(RGBSubmodel),
    YUV(YUVSubmodel),
    CMYK,
    HSV,
    LAB,
    XYZ,
}

impl ColorModel {
    pub fn get_default_components(&self) -> usize {
        match *self {
            ColorModel::CMYK => 4,
            _                => 3,
        }
    }
}

impl fmt::Display for ColorModel {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let name = match *self {
            ColorModel::RGB(fmt) => format!("RGB({})", fmt).to_string(),
            ColorModel::YUV(fmt) => format!("YUV({})", fmt).to_string(),
            ColorModel::CMYK     => "CMYK".to_string(),
            ColorModel::HSV      => "HSV".to_string(),
            ColorModel::LAB      => "LAB".to_string(),
            ColorModel::XYZ      => "XYZ".to_string(),
        };
        write!(f, "{}", name)
    }
}

#[derive(Clone,Copy,PartialEq)]
pub struct NAPixelChromaton {
    h_ss:           u8,
    v_ss:           u8,
    packed:         bool,
    depth:          u8,
    shift:          u8,
    comp_offs:      u8,
    next_elem:      u8,
}

pub const FORMATON_FLAG_BE      :u32 = 0x01;
pub const FORMATON_FLAG_ALPHA   :u32 = 0x02;
pub const FORMATON_FLAG_PALETTE :u32 = 0x04;


#[derive(Clone,Copy,PartialEq)]
pub struct NAPixelFormaton {
    model:      ColorModel,
    components: u8,
    comp_info:  [Option<NAPixelChromaton>; 5],
    elem_size:  u8,
    be:         bool,
    alpha:      bool,
    palette:    bool,
}

macro_rules! chromaton {
    ($hs: expr, $vs: expr, $pck: expr, $d: expr, $sh: expr, $co: expr, $ne: expr) => ({
        Some(NAPixelChromaton{ h_ss: $hs, v_ss: $vs, packed: $pck, depth: $d, shift: $sh, comp_offs: $co, next_elem: $ne })
    });
    (yuv8; $hs: expr, $vs: expr, $co: expr) => ({
        Some(NAPixelChromaton{ h_ss: $hs, v_ss: $vs, packed: false, depth: 8, shift: 0, comp_offs: $co, next_elem: 1 })
    });
    (packrgb; $d: expr, $s: expr, $co: expr, $ne: expr) => ({
        Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: $d, shift: $s, comp_offs: $co, next_elem: $ne })
    });
    (pal8; $co: expr) => ({
        Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: $co, next_elem: 3 })
    });
}

pub const YUV420_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::YUV(YUVSubmodel::YUVJ), components: 3,
                                        comp_info: [
                                            chromaton!(0, 0, false, 8, 0, 0, 1),
                                            chromaton!(yuv8; 1, 1, 1),
                                            chromaton!(yuv8; 1, 1, 2),
                                            None, None],
                                        elem_size: 0, be: false, alpha: false, palette: false };

pub const YUV410_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::YUV(YUVSubmodel::YUVJ), components: 3,
                                        comp_info: [
                                            chromaton!(0, 0, false, 8, 0, 0, 1),
                                            chromaton!(yuv8; 2, 2, 1),
                                            chromaton!(yuv8; 2, 2, 2),
                                            None, None],
                                        elem_size: 0, be: false, alpha: false, palette: false };

pub const PAL8_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
                                        comp_info: [
                                            chromaton!(pal8; 0),
                                            chromaton!(pal8; 1),
                                            chromaton!(pal8; 2),
                                            None, None],
                                        elem_size: 3, be: false, alpha: false, palette: true };

pub const RGB565_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
                                        comp_info: [
                                            chromaton!(packrgb; 5, 11, 0, 2),
                                            chromaton!(packrgb; 6,  5, 0, 2),
                                            chromaton!(packrgb; 5,  0, 0, 2),
                                            None, None],
                                        elem_size: 2, be: false, alpha: false, palette: false };

pub const RGB24_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
                                        comp_info: [
                                            chromaton!(packrgb; 8, 0, 2, 3),
                                            chromaton!(packrgb; 8, 0, 1, 3),
                                            chromaton!(packrgb; 8, 0, 0, 3),
                                            None, None],
                                        elem_size: 3, be: false, alpha: false, palette: false };

impl NAPixelChromaton {
    pub fn get_subsampling(&self) -> (u8, u8) { (self.h_ss, self.v_ss) }
    pub fn is_packed(&self) -> bool { self.packed }
    pub fn get_depth(&self) -> u8   { self.depth }
    pub fn get_shift(&self) -> u8   { self.shift }
    pub fn get_offset(&self) -> u8  { self.comp_offs }
    pub fn get_step(&self)  -> u8   { self.next_elem }

    pub fn get_width(&self, width: usize) -> usize {
        (width  + ((1 << self.h_ss) - 1)) >> self.h_ss
    }
    pub fn get_height(&self, height: usize) -> usize {
        (height + ((1 << self.v_ss) - 1)) >> self.v_ss
    }
    pub fn get_linesize(&self, width: usize) -> usize {
        let d = self.depth as usize;
        if self.packed {
            (self.get_width(width) * d + d - 1) >> 3
        } else {
            self.get_width(width)
        }
    }
    pub fn get_data_size(&self, width: usize, height: usize) -> usize {
        let nh = (height + ((1 << self.v_ss) - 1)) >> self.v_ss;
        self.get_linesize(width) * nh
    }
}

impl fmt::Display for NAPixelChromaton {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let pfmt = if self.packed {
            let mask = ((1 << self.depth) - 1) << self.shift;
            format!("packed(+{},{:X}, step {})", self.comp_offs, mask, self.next_elem)
        } else {
            format!("planar({},{})", self.comp_offs, self.next_elem)
        };
        write!(f, "({}x{}, {})", self.h_ss, self.v_ss, pfmt)
    }
}

impl NAPixelFormaton {
    pub fn new(model: ColorModel,
               comp1: Option<NAPixelChromaton>,
               comp2: Option<NAPixelChromaton>,
               comp3: Option<NAPixelChromaton>,
               comp4: Option<NAPixelChromaton>,
               comp5: Option<NAPixelChromaton>,
               flags: u32, elem_size: u8) -> Self {
        let mut chromatons: [Option<NAPixelChromaton>; 5] = [None; 5];
        let mut ncomp = 0;
        let be      = (flags & FORMATON_FLAG_BE)      != 0;
        let alpha   = (flags & FORMATON_FLAG_ALPHA)   != 0;
        let palette = (flags & FORMATON_FLAG_PALETTE) != 0;
        if let Some(c) = comp1 { chromatons[0] = Some(c); ncomp += 1; }
        if let Some(c) = comp2 { chromatons[1] = Some(c); ncomp += 1; }
        if let Some(c) = comp3 { chromatons[2] = Some(c); ncomp += 1; }
        if let Some(c) = comp4 { chromatons[3] = Some(c); ncomp += 1; }
        if let Some(c) = comp5 { chromatons[4] = Some(c); ncomp += 1; }
        NAPixelFormaton { model: model,
                          components: ncomp,
                          comp_info: chromatons,
                          elem_size: elem_size,
                         be: be, alpha: alpha, palette: palette }
    }

    pub fn get_model(&self) -> ColorModel { self.model }
    pub fn get_num_comp(&self) -> usize { self.components as usize }
    pub fn get_chromaton(&self, idx: usize) -> Option<NAPixelChromaton> {
        if idx < self.comp_info.len() { return self.comp_info[idx]; }
        None
    }
    pub fn is_be(&self) -> bool { self.be }
    pub fn has_alpha(&self) -> bool { self.alpha }
    pub fn is_paletted(&self) -> bool { self.palette }
    pub fn get_elem_size(&self) -> u8 { self.elem_size }
}

impl fmt::Display for NAPixelFormaton {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let end = if self.be { "BE" } else { "LE" };
        let palstr = if self.palette { "palette " } else { "" };
        let astr = if self.alpha { "alpha " } else { "" };
        let mut str = format!("Formaton for {} ({}{}elem {} size {}): ", self.model, palstr, astr,end, self.elem_size);
        for i in 0..self.comp_info.len() {
            if let Some(chr) = self.comp_info[i] {
                str = format!("{} {}", str, chr);
            }
        }
        write!(f, "[{}]", str)
    }
}

#[cfg(test)]
mod test {
    use super::*;

    #[test]
    fn test_fmt() {
        println!("{}", SND_S16_FORMAT);
        println!("{}", SND_U8_FORMAT);
        println!("{}", SND_F32P_FORMAT);
        println!("formaton yuv- {}", YUV420_FORMAT);
        println!("formaton pal- {}", PAL8_FORMAT);
        println!("formaton rgb565- {}", RGB565_FORMAT);
    }
}
Commit	Line	Data
fba6f8e4 KS	1	use std::string::*;
	2	use std::fmt;
	3
b68ff5ae	4	#[derive(Debug,Copy,Clone,PartialEq)]
fba6f8e4 KS	5	pub struct NASoniton {
	6	bits: u8,
	7	be: bool,
	8	packed: bool,
	9	planar: bool,
	10	float: bool,
	11	signed: bool,
	12	}
	13
9e9a3af1 KS	14	pub const SONITON_FLAG_BE :u32 = 0x01;
	15	pub const SONITON_FLAG_PACKED :u32 = 0x02;
	16	pub const SONITON_FLAG_PLANAR :u32 = 0x04;
	17	pub const SONITON_FLAG_FLOAT :u32 = 0x08;
	18	pub const SONITON_FLAG_SIGNED :u32 = 0x10;
fba6f8e4 KS	19
	20	pub const SND_U8_FORMAT: NASoniton = NASoniton { bits: 8, be: false, packed: false, planar: false, float: false, signed: false };
	21	pub const SND_S16_FORMAT: NASoniton = NASoniton { bits: 16, be: false, packed: false, planar: false, float: false, signed: true };
126b7eb8	22	pub const SND_F32P_FORMAT: NASoniton = NASoniton { bits: 32, be: false, packed: false, planar: true, float: true, signed: true };
fba6f8e4 KS	23
fba6f8e4 KS	24	impl NASoniton {
9e9a3af1 KS	25	pub fn new(bits: u8, flags: u32) -> Self {
	26	let is_be = (flags & SONITON_FLAG_BE) != 0;
	27	let is_pk = (flags & SONITON_FLAG_PACKED) != 0;
	28	let is_pl = (flags & SONITON_FLAG_PLANAR) != 0;
	29	let is_fl = (flags & SONITON_FLAG_FLOAT) != 0;
	30	let is_sg = (flags & SONITON_FLAG_SIGNED) != 0;
fba6f8e4 KS	31	NASoniton { bits: bits, be: is_be, packed: is_pk, planar: is_pl, float: is_fl, signed: is_sg }
	32	}
	33
	34	pub fn get_bits(&self) -> u8 { self.bits }
	35	pub fn is_be(&self) -> bool { self.be }
	36	pub fn is_packed(&self) -> bool { self.packed }
	37	pub fn is_planar(&self) -> bool { self.planar }
	38	pub fn is_float(&self) -> bool { self.float }
	39	pub fn is_signed(&self) -> bool { self.signed }
15e41b31 KS	40
	41	pub fn get_audio_size(&self, length: u64) -> usize {
	42	if self.packed {
	43	((length * (self.bits as u64) + 7) >> 3) as usize
	44	} else {
	45	(length * (((self.bits + 7) >> 3) as u64)) as usize
	46	}
	47	}
fba6f8e4 KS	48	}
	49
	50	impl fmt::Display for NASoniton {
	51	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	52	let fmt = if self.float { "float" } else if self.signed { "int" } else { "uint" };
	53	let end = if self.be { "BE" } else { "LE" };
	54	write!(f, "({} bps, {} planar: {} packed: {} {})", self.bits, end, self.packed, self.planar, fmt)
	55	}
	56	}
	57
10a00d52	58	#[derive(Debug,Clone,Copy,PartialEq)]
fba6f8e4 KS	59	pub enum NAChannelType {
	60	C, L, R, Cs, Ls, Rs, Lss, Rss, LFE, Lc, Rc, Lh, Rh, Ch, LFE2, Lw, Rw, Ov, Lhs, Rhs, Chs, Ll, Rl, Cl, Lt, Rt, Lo, Ro
	61	}
	62
	63	impl NAChannelType {
	64	pub fn is_center(&self) -> bool {
	65	match *self {
	66	NAChannelType::C => true, NAChannelType::Ch => true,
	67	NAChannelType::Cl => true, NAChannelType::Ov => true,
	68	NAChannelType::LFE => true, NAChannelType::LFE2 => true,
	69	NAChannelType::Cs => true, NAChannelType::Chs => true,
	70	_ => false,
	71	}
	72	}
	73	pub fn is_left(&self) -> bool {
	74	match *self {
	75	NAChannelType::L => true, NAChannelType::Ls => true,
	76	NAChannelType::Lss => true, NAChannelType::Lc => true,
	77	NAChannelType::Lh => true, NAChannelType::Lw => true,
	78	NAChannelType::Lhs => true, NAChannelType::Ll => true,
	79	NAChannelType::Lt => true, NAChannelType::Lo => true,
	80	_ => false,
	81	}
	82	}
	83	pub fn is_right(&self) -> bool {
	84	match *self {
	85	NAChannelType::R => true, NAChannelType::Rs => true,
	86	NAChannelType::Rss => true, NAChannelType::Rc => true,
	87	NAChannelType::Rh => true, NAChannelType::Rw => true,
	88	NAChannelType::Rhs => true, NAChannelType::Rl => true,
	89	NAChannelType::Rt => true, NAChannelType::Ro => true,
	90	_ => false,
	91	}
	92	}
	93	}
	94
	95	impl fmt::Display for NAChannelType {
	96	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	97	let name = match *self {
	98	NAChannelType::C => "C".to_string(),
	99	NAChannelType::L => "L".to_string(),
	100	NAChannelType::R => "R".to_string(),
	101	NAChannelType::Cs => "Cs".to_string(),
	102	NAChannelType::Ls => "Ls".to_string(),
	103	NAChannelType::Rs => "Rs".to_string(),
	104	NAChannelType::Lss => "Lss".to_string(),
	105	NAChannelType::Rss => "Rss".to_string(),
	106	NAChannelType::LFE => "LFE".to_string(),
	107	NAChannelType::Lc => "Lc".to_string(),
	108	NAChannelType::Rc => "Rc".to_string(),
	109	NAChannelType::Lh => "Lh".to_string(),
	110	NAChannelType::Rh => "Rh".to_string(),
	111	NAChannelType::Ch => "Ch".to_string(),
	112	NAChannelType::LFE2 => "LFE2".to_string(),
	113	NAChannelType::Lw => "Lw".to_string(),
	114	NAChannelType::Rw => "Rw".to_string(),
	115	NAChannelType::Ov => "Ov".to_string(),
	116	NAChannelType::Lhs => "Lhs".to_string(),
	117	NAChannelType::Rhs => "Rhs".to_string(),
	118	NAChannelType::Chs => "Chs".to_string(),
	119	NAChannelType::Ll => "Ll".to_string(),
	120	NAChannelType::Rl => "Rl".to_string(),
	121	NAChannelType::Cl => "Cl".to_string(),
	122	NAChannelType::Lt => "Lt".to_string(),
123	NAChannelType::Rt => "Rt".to_string(),
124	NAChannelType::Lo => "Lo".to_string(),
125	NAChannelType::Ro => "Ro".to_string(),
126	};
127	write!(f, "{}", name)
128	}
129	}
130
15e41b31	131	#[derive(Clone)]
fba6f8e4 KS	132	pub struct NAChannelMap {
	133	ids: Vec<NAChannelType>,
	134	}
	135
	136	impl NAChannelMap {
	137	pub fn new() -> Self { NAChannelMap { ids: Vec::new() } }
	138	pub fn add_channel(&mut self, ch: NAChannelType) {
	139	self.ids.push(ch);
	140	}
10a00d52 KS	141	pub fn add_channels(&mut self, chs: &[NAChannelType]) {
	142	for i in 0..chs.len() {
	143	self.ids.push(chs[i]);
	144	}
	145	}
fba6f8e4 KS	146	pub fn num_channels(&self) -> usize {
	147	self.ids.len()
	148	}
	149	pub fn get_channel(&self, idx: usize) -> NAChannelType {
	150	self.ids[idx]
	151	}
	152	pub fn find_channel_id(&self, t: NAChannelType) -> Option<u8> {
	153	for i in 0..self.ids.len() {
	154	if self.ids[i] as i32 == t as i32 { return Some(i as u8); }
	155	}
	156	None
	157	}
	158	}
	159
b68ff5ae	160	#[derive(Debug,Clone,Copy,PartialEq)]
fba6f8e4 KS	161	pub enum RGBSubmodel {
	162	RGB,
	163	SRGB,
	164	}
	165
	166	impl fmt::Display for RGBSubmodel {
	167	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	168	let name = match *self {
	169	RGBSubmodel::RGB => "RGB".to_string(),
	170	RGBSubmodel::SRGB => "sRGB".to_string(),
	171	};
	172	write!(f, "{}", name)
	173	}
	174	}
	175
b68ff5ae	176	#[derive(Debug,Clone,Copy,PartialEq)]
fba6f8e4 KS	177	pub enum YUVSubmodel {
	178	YCbCr,
	179	YIQ,
	180	YUVJ,
	181	}
	182
	183	impl fmt::Display for YUVSubmodel {
	184	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	185	let name = match *self {
	186	YUVSubmodel::YCbCr => "YCbCr".to_string(),
	187	YUVSubmodel::YIQ => "YIQ".to_string(),
	188	YUVSubmodel::YUVJ => "YUVJ".to_string(),
	189	};
	190	write!(f, "{}", name)
	191	}
	192	}
	193
b68ff5ae	194	#[derive(Debug, Clone,Copy,PartialEq)]
fba6f8e4 KS	195	pub enum ColorModel {
	196	RGB(RGBSubmodel),
	197	YUV(YUVSubmodel),
	198	CMYK,
	199	HSV,
	200	LAB,
	201	XYZ,
	202	}
	203
	204	impl ColorModel {
	205	pub fn get_default_components(&self) -> usize {
	206	match *self {
	207	ColorModel::CMYK => 4,
	208	_ => 3,
	209	}
	210	}
	211	}
	212
	213	impl fmt::Display for ColorModel {
	214	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	215	let name = match *self {
	216	ColorModel::RGB(fmt) => format!("RGB({})", fmt).to_string(),
	217	ColorModel::YUV(fmt) => format!("YUV({})", fmt).to_string(),
	218	ColorModel::CMYK => "CMYK".to_string(),
	219	ColorModel::HSV => "HSV".to_string(),
	220	ColorModel::LAB => "LAB".to_string(),
	221	ColorModel::XYZ => "XYZ".to_string(),
	222	};
	223	write!(f, "{}", name)
	224	}
	225	}
	226
b68ff5ae	227	#[derive(Clone,Copy,PartialEq)]
fba6f8e4 KS	228	pub struct NAPixelChromaton {
	229	h_ss: u8,
	230	v_ss: u8,
	231	packed: bool,
	232	depth: u8,
	233	shift: u8,
	234	comp_offs: u8,
	235	next_elem: u8,
	236	}
	237
9e9a3af1 KS	238	pub const FORMATON_FLAG_BE :u32 = 0x01;
	239	pub const FORMATON_FLAG_ALPHA :u32 = 0x02;
	240	pub const FORMATON_FLAG_PALETTE :u32 = 0x04;
fba6f8e4 KS	241
fba6f8e4 KS	242
b68ff5ae	243	#[derive(Clone,Copy,PartialEq)]
fba6f8e4 KS	244	pub struct NAPixelFormaton {
	245	model: ColorModel,
	246	components: u8,
	247	comp_info: [Option<NAPixelChromaton>; 5],
	248	elem_size: u8,
	249	be: bool,
	250	alpha: bool,
	251	palette: bool,
	252	}
	253
	254	macro_rules! chromaton {
	255	($hs: expr, $vs: expr, $pck: expr, $d: expr, $sh: expr, $co: expr, $ne: expr) => ({
	256	Some(NAPixelChromaton{ h_ss: $hs, v_ss: $vs, packed: $pck, depth: $d, shift: $sh, comp_offs: $co, next_elem: $ne })
	257	});
	258	(yuv8; $hs: expr, $vs: expr, $co: expr) => ({
	259	Some(NAPixelChromaton{ h_ss: $hs, v_ss: $vs, packed: false, depth: 8, shift: 0, comp_offs: $co, next_elem: 1 })
	260	});
	261	(packrgb; $d: expr, $s: expr, $co: expr, $ne: expr) => ({
	262	Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: $d, shift: $s, comp_offs: $co, next_elem: $ne })
	263	});
	264	(pal8; $co: expr) => ({
	265	Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: $co, next_elem: 3 })
	266	});
	267	}
	268
	269	pub const YUV420_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::YUV(YUVSubmodel::YUVJ), components: 3,
	270	comp_info: [
	271	chromaton!(0, 0, false, 8, 0, 0, 1),
	272	chromaton!(yuv8; 1, 1, 1),
	273	chromaton!(yuv8; 1, 1, 2),
	274	None, None],
	275	elem_size: 0, be: false, alpha: false, palette: false };
	276
b68ff5ae KS	277	pub const YUV410_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::YUV(YUVSubmodel::YUVJ), components: 3,
	278	comp_info: [
	279	chromaton!(0, 0, false, 8, 0, 0, 1),
	280	chromaton!(yuv8; 2, 2, 1),
	281	chromaton!(yuv8; 2, 2, 2),
	282	None, None],
	283	elem_size: 0, be: false, alpha: false, palette: false };
	284
fba6f8e4 KS	285	pub const PAL8_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
	286	comp_info: [
	287	chromaton!(pal8; 0),
	288	chromaton!(pal8; 1),
	289	chromaton!(pal8; 2),
	290	None, None],
	291	elem_size: 3, be: false, alpha: false, palette: true };
	292
	293	pub const RGB565_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
	294	comp_info: [
	295	chromaton!(packrgb; 5, 11, 0, 2),
	296	chromaton!(packrgb; 6, 5, 0, 2),
	297	chromaton!(packrgb; 5, 0, 0, 2),
	298	None, None],
	299	elem_size: 2, be: false, alpha: false, palette: false };
	300
653e5afd KS	301	pub const RGB24_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
	302	comp_info: [
	303	chromaton!(packrgb; 8, 0, 2, 3),
	304	chromaton!(packrgb; 8, 0, 1, 3),
	305	chromaton!(packrgb; 8, 0, 0, 3),
	306	None, None],
	307	elem_size: 3, be: false, alpha: false, palette: false };
	308
fba6f8e4 KS	309	impl NAPixelChromaton {
	310	pub fn get_subsampling(&self) -> (u8, u8) { (self.h_ss, self.v_ss) }
	311	pub fn is_packed(&self) -> bool { self.packed }
	312	pub fn get_depth(&self) -> u8 { self.depth }
	313	pub fn get_shift(&self) -> u8 { self.shift }
	314	pub fn get_offset(&self) -> u8 { self.comp_offs }
	315	pub fn get_step(&self) -> u8 { self.next_elem }
b68ff5ae	316
15e41b31 KS	317	pub fn get_width(&self, width: usize) -> usize {
	318	(width + ((1 << self.h_ss) - 1)) >> self.h_ss
	319	}
	320	pub fn get_height(&self, height: usize) -> usize {
	321	(height + ((1 << self.v_ss) - 1)) >> self.v_ss
	322	}
b68ff5ae	323	pub fn get_linesize(&self, width: usize) -> usize {
b68ff5ae	324	let d = self.depth as usize;
6c8e5c40 KS	325	if self.packed {
	326	(self.get_width(width) * d + d - 1) >> 3
	327	} else {
	328	self.get_width(width)
	329	}
b68ff5ae KS	330	}
	331	pub fn get_data_size(&self, width: usize, height: usize) -> usize {
	332	let nh = (height + ((1 << self.v_ss) - 1)) >> self.v_ss;
	333	self.get_linesize(width) * nh
	334	}
fba6f8e4 KS	335	}
	336
	337	impl fmt::Display for NAPixelChromaton {
	338	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	339	let pfmt = if self.packed {
	340	let mask = ((1 << self.depth) - 1) << self.shift;
	341	format!("packed(+{},{:X}, step {})", self.comp_offs, mask, self.next_elem)
	342	} else {
	343	format!("planar({},{})", self.comp_offs, self.next_elem)
	344	};
	345	write!(f, "({}x{}, {})", self.h_ss, self.v_ss, pfmt)
	346	}
	347	}
	348
	349	impl NAPixelFormaton {
	350	pub fn new(model: ColorModel,
	351	comp1: Option<NAPixelChromaton>,
	352	comp2: Option<NAPixelChromaton>,
	353	comp3: Option<NAPixelChromaton>,
	354	comp4: Option<NAPixelChromaton>,
	355	comp5: Option<NAPixelChromaton>,
9e9a3af1	356	flags: u32, elem_size: u8) -> Self {
fba6f8e4 KS	357	let mut chromatons: [Option<NAPixelChromaton>; 5] = [None; 5];
fba6f8e4 KS	358	let mut ncomp = 0;
9e9a3af1 KS	359	let be = (flags & FORMATON_FLAG_BE) != 0;
	360	let alpha = (flags & FORMATON_FLAG_ALPHA) != 0;
	361	let palette = (flags & FORMATON_FLAG_PALETTE) != 0;
fba6f8e4 KS	362	if let Some(c) = comp1 { chromatons[0] = Some(c); ncomp += 1; }
	363	if let Some(c) = comp2 { chromatons[1] = Some(c); ncomp += 1; }
	364	if let Some(c) = comp3 { chromatons[2] = Some(c); ncomp += 1; }
	365	if let Some(c) = comp4 { chromatons[3] = Some(c); ncomp += 1; }
	366	if let Some(c) = comp5 { chromatons[4] = Some(c); ncomp += 1; }
	367	NAPixelFormaton { model: model,
	368	components: ncomp,
	369	comp_info: chromatons,
	370	elem_size: elem_size,
	371	be: be, alpha: alpha, palette: palette }
	372	}
	373
	374	pub fn get_model(&self) -> ColorModel { self.model }
b68ff5ae	375	pub fn get_num_comp(&self) -> usize { self.components as usize }
fba6f8e4 KS	376	pub fn get_chromaton(&self, idx: usize) -> Option<NAPixelChromaton> {
	377	if idx < self.comp_info.len() { return self.comp_info[idx]; }
	378	None
	379	}
	380	pub fn is_be(&self) -> bool { self.be }
	381	pub fn has_alpha(&self) -> bool { self.alpha }
	382	pub fn is_paletted(&self) -> bool { self.palette }
	383	pub fn get_elem_size(&self) -> u8 { self.elem_size }
	384	}
	385
	386	impl fmt::Display for NAPixelFormaton {
	387	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	388	let end = if self.be { "BE" } else { "LE" };
	389	let palstr = if self.palette { "palette " } else { "" };
	390	let astr = if self.alpha { "alpha " } else { "" };
	391	let mut str = format!("Formaton for {} ({}{}elem {} size {}): ", self.model, palstr, astr,end, self.elem_size);
	392	for i in 0..self.comp_info.len() {
	393	if let Some(chr) = self.comp_info[i] {
	394	str = format!("{} {}", str, chr);
	395	}
	396	}
	397	write!(f, "[{}]", str)
	398	}
	399	}
	400
	401	#[cfg(test)]
	402	mod test {
	403	use super::*;
	404
	405	#[test]
	406	fn test_fmt() {
	407	println!("{}", SND_S16_FORMAT);
	408	println!("{}", SND_U8_FORMAT);
126b7eb8	409	println!("{}", SND_F32P_FORMAT);
fba6f8e4 KS	410	println!("formaton yuv- {}", YUV420_FORMAT);
	411	println!("formaton pal- {}", PAL8_FORMAT);
	412	println!("formaton rgb565- {}", RGB565_FORMAT);
	413	}
	414	}