+++ /dev/null
-use std::str::FromStr;
-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,
- }
- }
-}
-
-#[derive(Clone,Copy,Debug,PartialEq)]
-pub struct ChannelParseError {}
-
-impl FromStr for NAChannelType {
- type Err = ChannelParseError;
-
- fn from_str(s: &str) -> Result<Self, Self::Err> {
- match s {
- "C" => Ok(NAChannelType::C),
- "L" => Ok(NAChannelType::L),
- "R" => Ok(NAChannelType::R),
- "Cs" => Ok(NAChannelType::Cs),
- "Ls" => Ok(NAChannelType::Ls),
- "Rs" => Ok(NAChannelType::Rs),
- "Lss" => Ok(NAChannelType::Lss),
- "Rss" => Ok(NAChannelType::Rss),
- "LFE" => Ok(NAChannelType::LFE),
- "Lc" => Ok(NAChannelType::Lc),
- "Rc" => Ok(NAChannelType::Rc),
- "Lh" => Ok(NAChannelType::Lh),
- "Rh" => Ok(NAChannelType::Rh),
- "Ch" => Ok(NAChannelType::Ch),
- "LFE2" => Ok(NAChannelType::LFE2),
- "Lw" => Ok(NAChannelType::Lw),
- "Rw" => Ok(NAChannelType::Rw),
- "Ov" => Ok(NAChannelType::Ov),
- "Lhs" => Ok(NAChannelType::Lhs),
- "Rhs" => Ok(NAChannelType::Rhs),
- "Chs" => Ok(NAChannelType::Chs),
- "Ll" => Ok(NAChannelType::Ll),
- "Rl" => Ok(NAChannelType::Rl),
- "Cl" => Ok(NAChannelType::Cl),
- "Lt" => Ok(NAChannelType::Lt),
- "Rt" => Ok(NAChannelType::Rt),
- "Lo" => Ok(NAChannelType::Lo),
- "Ro" => Ok(NAChannelType::Ro),
- _ => Err(ChannelParseError{}),
- }
- }
-}
-
-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>,
-}
-
-const MS_CHANNEL_MAP: [NAChannelType; 11] = [
- NAChannelType::L,
- NAChannelType::R,
- NAChannelType::C,
- NAChannelType::LFE,
- NAChannelType::Ls,
- NAChannelType::Rs,
- NAChannelType::Lss,
- NAChannelType::Rss,
- NAChannelType::Cs,
- NAChannelType::Lc,
- NAChannelType::Rc,
-];
-
-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
- }
- pub fn from_ms_mapping(chmap: u32) -> Self {
- let mut cm = NAChannelMap::new();
- for i in 0..MS_CHANNEL_MAP.len() {
- if ((chmap >> i) & 1) != 0 {
- cm.add_channel(MS_CHANNEL_MAP[i]);
- }
- }
- cm
- }
-}
-
-impl fmt::Display for NAChannelMap {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- let mut map = String::new();
- for el in self.ids.iter() {
- if map.len() > 0 { map.push(','); }
- map.push_str(&*el.to_string());
- }
- write!(f, "{}", map)
- }
-}
-
-impl FromStr for NAChannelMap {
- type Err = ChannelParseError;
-
- fn from_str(s: &str) -> Result<Self, Self::Err> {
- let mut chm = NAChannelMap::new();
- for tok in s.split(',') {
- chm.add_channel(NAChannelType::from_str(tok)?);
- }
- Ok(chm)
- }
-}
-
-#[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 YUVA410_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::YUV(YUVSubmodel::YUVJ), components: 4,
- comp_info: [
- chromaton!(0, 0, false, 8, 0, 0, 1),
- chromaton!(yuv8; 2, 2, 1),
- chromaton!(yuv8; 2, 2, 2),
- chromaton!(0, 0, false, 8, 0, 3, 1),
- None],
- elem_size: 0, be: false, alpha: true, 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);
- }
-}