--- /dev/null
+use std::string::*;
+use std::fmt;
+
+#[derive(Debug,Copy,Clone)]
+pub struct NASoniton {
+ bits: u8,
+ be: bool,
+ packed: bool,
+ planar: bool,
+ float: bool,
+ signed: bool,
+}
+
+bitflags! {
+ pub flags SonitonFlags: u8 {
+ const SONITON_FLAG_BE = 0x01,
+ const SONITON_FLAG_PACKED = 0x02,
+ const SONITON_FLAG_PLANAR = 0x04,
+ const SONITON_FLAG_FLOAT = 0x08,
+ const SONITON_FLAG_SIGNED = 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_F32_FORMAT: NASoniton = NASoniton { bits: 32, be: false, packed: false, planar: false, float: true, signed: true };
+
+impl NASoniton {
+ pub fn new(bits: u8, flags: SonitonFlags) -> Self {
+ let is_be = (flags.bits & SONITON_FLAG_BE.bits) != 0;
+ let is_pk = (flags.bits & SONITON_FLAG_PACKED.bits) != 0;
+ let is_pl = (flags.bits & SONITON_FLAG_PLANAR.bits) != 0;
+ let is_fl = (flags.bits & SONITON_FLAG_FLOAT.bits) != 0;
+ let is_sg = (flags.bits & SONITON_FLAG_SIGNED.bits) != 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 }
+}
+
+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)]
+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)
+ }
+}
+
+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 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)]
+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)]
+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)]
+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)]
+pub struct NAPixelChromaton {
+ h_ss: u8,
+ v_ss: u8,
+ packed: bool,
+ depth: u8,
+ shift: u8,
+ comp_offs: u8,
+ next_elem: u8,
+}
+
+bitflags! {
+ pub flags FormatonFlags: u8 {
+ const FORMATON_FLAG_BE = 0x01,
+ const FORMATON_FLAG_ALPHA = 0x02,
+ const FORMATON_FLAG_PALETTE = 0x04,
+ }
+}
+
+
+#[derive(Clone,Copy)]
+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 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 };
+
+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 }
+}
+
+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: FormatonFlags, elem_size: u8) -> Self {
+ let mut chromatons: [Option<NAPixelChromaton>; 5] = [None; 5];
+ let mut ncomp = 0;
+ let be = (flags.bits & FORMATON_FLAG_BE.bits) != 0;
+ let alpha = (flags.bits & FORMATON_FLAG_ALPHA.bits) != 0;
+ let palette = (flags.bits & FORMATON_FLAG_PALETTE.bits) != 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) -> u8 { self.components }
+ 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_F32_FORMAT);
+ println!("formaton yuv- {}", YUV420_FORMAT);
+ println!("formaton pal- {}", PAL8_FORMAT);
+ println!("formaton rgb565- {}", RGB565_FORMAT);
+ }
+}
-use std::collections::HashMap;
-use std::rc::Rc;
-
-#[allow(dead_code)]
-#[derive(Copy,Clone)]
-pub struct NASoniton {
- bits: u8,
- is_be: bool,
- packed: bool,
- planar: bool,
- float: bool,
- signed: bool,
-}
-
-#[allow(dead_code)]
-pub const SND_U8_FORMAT: NASoniton = NASoniton { bits: 8, is_be: false, packed: false, planar: false, float: false, signed: false };
-#[allow(dead_code)]
-pub const SND_S16_FORMAT: NASoniton = NASoniton { bits: 16, is_be: false, packed: false, planar: false, float: false, signed: true };
-
-#[derive(Debug,Clone,Copy)]
-pub enum NAChannelType {
- C, L, R, Ls, Rs, Lss, Rss, LFE, Lc, Rc, Lh, Rh, Ch, LFE2, Lw, Rw, Ov, Lhs, Rhs, Chr, 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,
- _ => 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,
- }
- }
-}
-
-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 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
- }
-}
-
-#[allow(dead_code)]
-#[derive(Clone,Copy)]
-pub struct NAAudioInfo {
- sample_rate: u32,
- channels: u8,
- format: NASoniton,
- block_len: usize,
-}
-
-impl NAAudioInfo {
- pub fn new(sr: u32, ch: u8, fmt: NASoniton, bl: usize) -> Self {
- NAAudioInfo { sample_rate: sr, channels: ch, format: fmt, block_len: bl }
- }
-}
-
-#[derive(Debug,Clone,Copy)]
-pub enum ColorModel {
- RGB,
- YUV,
- CMYK,
- HSV,
- LAB,
-}
-
-#[allow(dead_code)]
-#[derive(Clone,Copy)]
-pub struct NAPixelChromaton {
- h_ss: u8,
- v_ss: u8,
- is_packed: bool,
- depth: u8,
- shift: u8,
- comp_offs: u8,
- next_elem: u8,
-}
-
-#[allow(dead_code)]
-#[derive(Clone,Copy)]
-pub struct NAPixelFormaton {
- model: ColorModel,
- components: u8,
- comp_info: [Option<NAPixelChromaton>; 5],
- elem_size: u8,
- has_alpha: bool,
- is_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, is_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, is_packed: false, depth: 8, shift: 0, comp_offs: $co, next_elem: 1 })
- });
- (pal8; $co: expr) => ({
- Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, is_packed: true, depth: 8, shift: 0, comp_offs: $co, next_elem: 3 })
- });
-}
-
-#[allow(dead_code)]
-pub const YUV420_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::YUV, 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, has_alpha: false, is_palette: false };
-
-#[allow(dead_code)]
-pub const PAL8_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB, components: 3,
- comp_info: [
- chromaton!(pal8; 0),
- chromaton!(pal8; 1),
- chromaton!(pal8; 2),
- None, None],
- elem_size: 1, has_alpha: false, is_palette: true };
-
-
-#[allow(dead_code)]
-#[derive(Clone,Copy)]
-pub struct NAVideoInfo {
- width: u32,
- height: u32,
- flipped: bool,
- format: NAPixelFormaton,
-}
-
-impl NAVideoInfo {
- pub fn new(w: u32, h: u32, flip: bool, fmt: NAPixelFormaton) -> Self {
- NAVideoInfo { width: w, height: h, flipped: flip, format: fmt }
- }
-}
-
-#[derive(Clone,Copy)]
-pub enum NACodecTypeInfo {
- None,
- Audio(NAAudioInfo),
- Video(NAVideoInfo),
-}
-
-#[allow(dead_code)]
-pub struct NABuffer<'a> {
- id: u64,
- data: &'a mut [u8],
-}
-
-#[allow(dead_code)]
-#[derive(Clone)]
-pub struct NACodecInfo {
- properties: NACodecTypeInfo,
- extradata: Option<Rc<Vec<u8>>>,
-}
-
-impl NACodecInfo {
- pub fn new(p: NACodecTypeInfo, edata: Option<Vec<u8>>) -> Self {
- let extradata = match edata {
- None => None,
- Some(vec) => Some(Rc::new(vec)),
- };
- NACodecInfo { properties: p, extradata: extradata }
- }
- pub fn get_properties(&self) -> NACodecTypeInfo { self.properties }
- pub fn get_extradata(&self) -> Option<Rc<Vec<u8>>> {
- if let Some(ref vec) = self.extradata { return Some(vec.clone()); }
- None
- }
-}
-
-pub trait NABufferAllocator {
- fn alloc_buf(info: &NACodecInfo) -> NABuffer<'static>;
-}
-
-#[derive(Debug)]
-pub enum NAValue<'a> {
- None,
- Int(i32),
- Long(i64),
- String(String),
- Data(&'a [u8]),
-}
-
-#[allow(dead_code)]
-pub struct NAFrame<'a> {
- pts: Option<u64>,
- dts: Option<u64>,
- duration: Option<u64>,
- buffer: &'a mut NABuffer<'a>,
- info: &'a NACodecInfo,
- options: HashMap<String, NAValue<'a>>,
-}
-
-#[allow(dead_code)]
-pub struct NACodecContext<'a> {
- info: &'a NACodecInfo,
-}
+use std::collections::HashMap;
+use std::rc::Rc;
+use formats::*;
+
+#[allow(dead_code)]
+#[derive(Clone,Copy)]
+pub struct NAAudioInfo {
+ sample_rate: u32,
+ channels: u8,
+ format: NASoniton,
+ block_len: usize,
+}
+
+impl NAAudioInfo {
+ pub fn new(sr: u32, ch: u8, fmt: NASoniton, bl: usize) -> Self {
+ NAAudioInfo { sample_rate: sr, channels: ch, format: fmt, block_len: bl }
+ }
+}
+
+#[allow(dead_code)]
+#[derive(Clone,Copy)]
+pub struct NAVideoInfo {
+ width: u32,
+ height: u32,
+ flipped: bool,
+ format: NAPixelFormaton,
+}
+
+impl NAVideoInfo {
+ pub fn new(w: u32, h: u32, flip: bool, fmt: NAPixelFormaton) -> Self {
+ NAVideoInfo { width: w, height: h, flipped: flip, format: fmt }
+ }
+}
+
+#[derive(Clone,Copy)]
+pub enum NACodecTypeInfo {
+ None,
+ Audio(NAAudioInfo),
+ Video(NAVideoInfo),
+}
+
+#[allow(dead_code)]
+pub struct NABuffer<'a> {
+ id: u64,
+ data: &'a mut [u8],
+}
+
+#[allow(dead_code)]
+#[derive(Clone)]
+pub struct NACodecInfo {
+ properties: NACodecTypeInfo,
+ extradata: Option<Rc<Vec<u8>>>,
+}
+
+impl NACodecInfo {
+ pub fn new(p: NACodecTypeInfo, edata: Option<Vec<u8>>) -> Self {
+ let extradata = match edata {
+ None => None,
+ Some(vec) => Some(Rc::new(vec)),
+ };
+ NACodecInfo { properties: p, extradata: extradata }
+ }
+ pub fn get_properties(&self) -> NACodecTypeInfo { self.properties }
+ pub fn get_extradata(&self) -> Option<Rc<Vec<u8>>> {
+ if let Some(ref vec) = self.extradata { return Some(vec.clone()); }
+ None
+ }
+}
+
+pub trait NABufferAllocator {
+ fn alloc_buf(info: &NACodecInfo) -> NABuffer<'static>;
+}
+
+#[derive(Debug)]
+pub enum NAValue<'a> {
+ None,
+ Int(i32),
+ Long(i64),
+ String(String),
+ Data(&'a [u8]),
+}
+
+#[allow(dead_code)]
+pub struct NAFrame<'a> {
+ pts: Option<u64>,
+ dts: Option<u64>,
+ duration: Option<u64>,
+ buffer: &'a mut NABuffer<'a>,
+ info: &'a NACodecInfo,
+ options: HashMap<String, NAValue<'a>>,
+}
+
+#[allow(dead_code)]
+pub struct NACodecContext<'a> {
+ info: &'a NACodecInfo,
+}