-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::cmp::max;
+use std::collections::HashMap;
+use std::fmt;
+use std::rc::Rc;
+use std::cell::*;
+use formats::*;
+
+#[allow(dead_code)]
+#[derive(Clone,Copy,PartialEq)]
+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 }
+ }
+ pub fn get_sample_rate(&self) -> u32 { self.sample_rate }
+ pub fn get_channels(&self) -> u8 { self.channels }
+ pub fn get_format(&self) -> NASoniton { self.format }
+ pub fn get_block_len(&self) -> usize { self.block_len }
+}
+
+impl fmt::Display for NAAudioInfo {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ write!(f, "{} Hz, {} ch", self.sample_rate, self.channels)
+ }
+}
+
+#[allow(dead_code)]
+#[derive(Clone,Copy,PartialEq)]
+pub struct NAVideoInfo {
+ width: usize,
+ height: usize,
+ flipped: bool,
+ format: NAPixelFormaton,
+}
+
+impl NAVideoInfo {
+ pub fn new(w: usize, h: usize, flip: bool, fmt: NAPixelFormaton) -> Self {
+ NAVideoInfo { width: w, height: h, flipped: flip, format: fmt }
+ }
+ pub fn get_width(&self) -> usize { self.width as usize }
+ pub fn get_height(&self) -> usize { self.height as usize }
+ pub fn is_flipped(&self) -> bool { self.flipped }
+ pub fn get_format(&self) -> NAPixelFormaton { self.format }
+}
+
+impl fmt::Display for NAVideoInfo {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ write!(f, "{}x{}", self.width, self.height)
+ }
+}
+
+#[derive(Clone,Copy,PartialEq)]
+pub enum NACodecTypeInfo {
+ None,
+ Audio(NAAudioInfo),
+ Video(NAVideoInfo),
+}
+
+impl NACodecTypeInfo {
+ pub fn get_video_info(&self) -> Option<NAVideoInfo> {
+ match *self {
+ NACodecTypeInfo::Video(vinfo) => Some(vinfo),
+ _ => None,
+ }
+ }
+ pub fn get_audio_info(&self) -> Option<NAAudioInfo> {
+ match *self {
+ NACodecTypeInfo::Audio(ainfo) => Some(ainfo),
+ _ => None,
+ }
+ }
+ pub fn is_video(&self) -> bool {
+ match *self {
+ NACodecTypeInfo::Video(_) => true,
+ _ => false,
+ }
+ }
+ pub fn is_audio(&self) -> bool {
+ match *self {
+ NACodecTypeInfo::Audio(_) => true,
+ _ => false,
+ }
+ }
+}
+
+impl fmt::Display for NACodecTypeInfo {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let ret = match *self {
+ NACodecTypeInfo::None => format!(""),
+ NACodecTypeInfo::Audio(fmt) => format!("{}", fmt),
+ NACodecTypeInfo::Video(fmt) => format!("{}", fmt),
+ };
+ write!(f, "{}", ret)
+ }
+}
+
+pub type NABufferRefT<T> = Rc<RefCell<Vec<T>>>;
+
+#[derive(Clone)]
+pub struct NAVideoBuffer<T> {
+ info: NAVideoInfo,
+ data: NABufferRefT<T>,
+ offs: Vec<usize>,
+ strides: Vec<usize>,
+}
+
+impl<T: Clone> NAVideoBuffer<T> {
+ pub fn get_offset(&self, idx: usize) -> usize {
+ if idx >= self.offs.len() { 0 }
+ else { self.offs[idx] }
+ }
+ pub fn get_info(&self) -> NAVideoInfo { self.info }
+ pub fn get_data(&self) -> Ref<Vec<T>> { self.data.borrow() }
+ pub fn get_data_mut(&mut self) -> RefMut<Vec<T>> { self.data.borrow_mut() }
+ pub fn copy_buffer(&mut self) -> Self {
+ let mut data: Vec<T> = Vec::with_capacity(self.data.borrow().len());
+ data.clone_from(self.data.borrow().as_ref());
+ let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len());
+ offs.clone_from(&self.offs);
+ let mut strides: Vec<usize> = Vec::with_capacity(self.strides.len());
+ strides.clone_from(&self.strides);
+ NAVideoBuffer { info: self.info, data: Rc::new(RefCell::new(data)), offs: offs, strides: strides }
+ }
+ pub fn get_stride(&self, idx: usize) -> usize {
+ if idx >= self.strides.len() { return 0; }
+ self.strides[idx]
+ }
+ pub fn get_dimensions(&self, idx: usize) -> (usize, usize) {
+ get_plane_size(&self.info, idx)
+ }
+}
+
+#[derive(Clone)]
+pub struct NAAudioBuffer<T> {
+ info: NAAudioInfo,
+ data: NABufferRefT<T>,
+ offs: Vec<usize>,
+ chmap: NAChannelMap,
+ len: usize,
+}
+
+impl<T: Clone> NAAudioBuffer<T> {
+ pub fn get_offset(&self, idx: usize) -> usize {
+ if idx >= self.offs.len() { 0 }
+ else { self.offs[idx] }
+ }
+ pub fn get_info(&self) -> NAAudioInfo { self.info }
+ pub fn get_chmap(&self) -> NAChannelMap { self.chmap.clone() }
+ pub fn get_data(&self) -> Ref<Vec<T>> { self.data.borrow() }
+ pub fn get_data_mut(&mut self) -> RefMut<Vec<T>> { self.data.borrow_mut() }
+ pub fn copy_buffer(&mut self) -> Self {
+ let mut data: Vec<T> = Vec::with_capacity(self.data.borrow().len());
+ data.clone_from(self.data.borrow().as_ref());
+ let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len());
+ offs.clone_from(&self.offs);
+ NAAudioBuffer { info: self.info, data: Rc::new(RefCell::new(data)), offs: offs, chmap: self.get_chmap(), len: self.len }
+ }
+ pub fn get_length(&self) -> usize { self.len }
+}
+
+impl NAAudioBuffer<u8> {
+ pub fn new_from_buf(info: NAAudioInfo, data: NABufferRefT<u8>, chmap: NAChannelMap) -> Self {
+ let len = data.borrow().len();
+ NAAudioBuffer { info: info, data: data, chmap: chmap, offs: Vec::new(), len: len }
+ }
+}
+
+#[derive(Clone)]
+pub enum NABufferType {
+ Video (NAVideoBuffer<u8>),
+ Video16 (NAVideoBuffer<u16>),
+ VideoPacked(NAVideoBuffer<u8>),
+ AudioU8 (NAAudioBuffer<u8>),
+ AudioI16 (NAAudioBuffer<i16>),
+ AudioI32 (NAAudioBuffer<i32>),
+ AudioF32 (NAAudioBuffer<f32>),
+ AudioPacked(NAAudioBuffer<u8>),
+ Data (NABufferRefT<u8>),
+ None,
+}
+
+impl NABufferType {
+ pub fn get_offset(&self, idx: usize) -> usize {
+ match *self {
+ NABufferType::Video(ref vb) => vb.get_offset(idx),
+ NABufferType::Video16(ref vb) => vb.get_offset(idx),
+ NABufferType::VideoPacked(ref vb) => vb.get_offset(idx),
+ NABufferType::AudioU8(ref ab) => ab.get_offset(idx),
+ NABufferType::AudioI16(ref ab) => ab.get_offset(idx),
+ NABufferType::AudioF32(ref ab) => ab.get_offset(idx),
+ NABufferType::AudioPacked(ref ab) => ab.get_offset(idx),
+ _ => 0,
+ }
+ }
+ pub fn get_vbuf(&mut self) -> Option<NAVideoBuffer<u8>> {
+ match *self {
+ NABufferType::Video(ref vb) => Some(vb.clone()),
+ NABufferType::VideoPacked(ref vb) => Some(vb.clone()),
+ _ => None,
+ }
+ }
+ pub fn get_vbuf16(&mut self) -> Option<NAVideoBuffer<u16>> {
+ match *self {
+ NABufferType::Video16(ref vb) => Some(vb.clone()),
+ _ => None,
+ }
+ }
+ pub fn get_abuf_u8(&mut self) -> Option<NAAudioBuffer<u8>> {
+ match *self {
+ NABufferType::AudioU8(ref ab) => Some(ab.clone()),
+ NABufferType::AudioPacked(ref ab) => Some(ab.clone()),
+ _ => None,
+ }
+ }
+ pub fn get_abuf_i16(&mut self) -> Option<NAAudioBuffer<i16>> {
+ match *self {
+ NABufferType::AudioI16(ref ab) => Some(ab.clone()),
+ _ => None,
+ }
+ }
+ pub fn get_abuf_i32(&mut self) -> Option<NAAudioBuffer<i32>> {
+ match *self {
+ NABufferType::AudioI32(ref ab) => Some(ab.clone()),
+ _ => None,
+ }
+ }
+ pub fn get_abuf_f32(&mut self) -> Option<NAAudioBuffer<f32>> {
+ match *self {
+ NABufferType::AudioF32(ref ab) => Some(ab.clone()),
+ _ => None,
+ }
+ }
+}
+
+#[derive(Debug,Clone,Copy,PartialEq)]
+pub enum AllocatorError {
+ TooLargeDimensions,
+ FormatError,
+}
+
+pub fn alloc_video_buffer(vinfo: NAVideoInfo, align: u8) -> Result<NABufferType, AllocatorError> {
+ let fmt = &vinfo.format;
+ let mut new_size: usize = 0;
+ let mut offs: Vec<usize> = Vec::new();
+ let mut strides: Vec<usize> = Vec::new();
+
+ for i in 0..fmt.get_num_comp() {
+ if fmt.get_chromaton(i) == None { return Err(AllocatorError::FormatError); }
+ }
+
+ let align_mod = ((1 << align) as usize) - 1;
+ let width = ((vinfo.width as usize) + align_mod) & !align_mod;
+ let height = ((vinfo.height as usize) + align_mod) & !align_mod;
+ let mut max_depth = 0;
+ let mut all_packed = true;
+ for i in 0..fmt.get_num_comp() {
+ let ochr = fmt.get_chromaton(i);
+ if let None = ochr { continue; }
+ let chr = ochr.unwrap();
+ if !chr.is_packed() {
+ all_packed = false;
+ break;
+ }
+ max_depth = max(max_depth, chr.get_depth());
+ }
+
+//todo semi-packed like NV12
+ if fmt.is_paletted() {
+//todo various-sized palettes?
+ let stride = vinfo.get_format().get_chromaton(0).unwrap().get_linesize(width);
+ let pic_sz = stride.checked_mul(height);
+ if pic_sz == None { return Err(AllocatorError::TooLargeDimensions); }
+ let pal_size = 256 * (fmt.get_elem_size() as usize);
+ let new_size = pic_sz.unwrap().checked_add(pal_size);
+ if new_size == None { return Err(AllocatorError::TooLargeDimensions); }
+ offs.push(0);
+ offs.push(stride * height);
+ strides.push(stride);
+ let mut data: Vec<u8> = Vec::with_capacity(new_size.unwrap());
+ data.resize(new_size.unwrap(), 0);
+ let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides };
+ Ok(NABufferType::Video(buf))
+ } else if !all_packed {
+ for i in 0..fmt.get_num_comp() {
+ let ochr = fmt.get_chromaton(i);
+ if let None = ochr { continue; }
+ let chr = ochr.unwrap();
+ if !vinfo.is_flipped() {
+ offs.push(new_size as usize);
+ }
+ let stride = chr.get_linesize(width);
+ let cur_h = chr.get_height(height);
+ let cur_sz = stride.checked_mul(cur_h);
+ if cur_sz == None { return Err(AllocatorError::TooLargeDimensions); }
+ let new_sz = new_size.checked_add(cur_sz.unwrap());
+ if new_sz == None { return Err(AllocatorError::TooLargeDimensions); }
+ new_size = new_sz.unwrap();
+ if vinfo.is_flipped() {
+ offs.push(new_size as usize);
+ }
+ strides.push(stride);
+ }
+ if max_depth <= 8 {
+ let mut data: Vec<u8> = Vec::with_capacity(new_size);
+ data.resize(new_size, 0);
+ let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides };
+ Ok(NABufferType::Video(buf))
+ } else {
+ let mut data: Vec<u16> = Vec::with_capacity(new_size);
+ data.resize(new_size, 0);
+ let buf: NAVideoBuffer<u16> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides };
+ Ok(NABufferType::Video16(buf))
+ }
+ } else {
+ let elem_sz = fmt.get_elem_size();
+ let line_sz = width.checked_mul(elem_sz as usize);
+ if line_sz == None { return Err(AllocatorError::TooLargeDimensions); }
+ let new_sz = line_sz.unwrap().checked_mul(height);
+ if new_sz == None { return Err(AllocatorError::TooLargeDimensions); }
+ new_size = new_sz.unwrap();
+ let mut data: Vec<u8> = Vec::with_capacity(new_size);
+ data.resize(new_size, 0);
+ strides.push(line_sz.unwrap());
+ let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides };
+ Ok(NABufferType::VideoPacked(buf))
+ }
+}
+
+pub fn alloc_audio_buffer(ainfo: NAAudioInfo, nsamples: usize, chmap: NAChannelMap) -> Result<NABufferType, AllocatorError> {
+ let mut offs: Vec<usize> = Vec::new();
+ if ainfo.format.is_planar() {
+ let len = nsamples.checked_mul(ainfo.channels as usize);
+ if len == None { return Err(AllocatorError::TooLargeDimensions); }
+ let length = len.unwrap();
+ for i in 0..ainfo.channels {
+ offs.push((i as usize) * nsamples);
+ }
+ if ainfo.format.is_float() {
+ if ainfo.format.get_bits() == 32 {
+ let mut data: Vec<f32> = Vec::with_capacity(length);
+ data.resize(length, 0.0);
+ let buf: NAAudioBuffer<f32> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples };
+ Ok(NABufferType::AudioF32(buf))
+ } else {
+ Err(AllocatorError::TooLargeDimensions)
+ }
+ } else {
+ if ainfo.format.get_bits() == 8 && !ainfo.format.is_signed() {
+ let mut data: Vec<u8> = Vec::with_capacity(length);
+ data.resize(length, 0);
+ let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples };
+ Ok(NABufferType::AudioU8(buf))
+ } else if ainfo.format.get_bits() == 16 && ainfo.format.is_signed() {
+ let mut data: Vec<i16> = Vec::with_capacity(length);
+ data.resize(length, 0);
+ let buf: NAAudioBuffer<i16> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples };
+ Ok(NABufferType::AudioI16(buf))
+ } else {
+ Err(AllocatorError::TooLargeDimensions)
+ }
+ }
+ } else {
+ let len = nsamples.checked_mul(ainfo.channels as usize);
+ if len == None { return Err(AllocatorError::TooLargeDimensions); }
+ let length = ainfo.format.get_audio_size(len.unwrap() as u64);
+ let mut data: Vec<u8> = Vec::with_capacity(length);
+ data.resize(length, 0);
+ let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples };
+ Ok(NABufferType::AudioPacked(buf))
+ }
+}
+
+pub fn alloc_data_buffer(size: usize) -> Result<NABufferType, AllocatorError> {
+ let mut data: Vec<u8> = Vec::with_capacity(size);
+ data.resize(size, 0);
+ let buf: NABufferRefT<u8> = Rc::new(RefCell::new(data));
+ Ok(NABufferType::Data(buf))
+}
+
+pub fn copy_buffer(buf: NABufferType) -> NABufferType {
+ buf.clone()
+}
+
+#[allow(dead_code)]
+#[derive(Clone)]
+pub struct NACodecInfo {
+ name: &'static str,
+ properties: NACodecTypeInfo,
+ extradata: Option<Rc<Vec<u8>>>,
+}
+
+impl NACodecInfo {
+ pub fn new(name: &'static str, p: NACodecTypeInfo, edata: Option<Vec<u8>>) -> Self {
+ let extradata = match edata {
+ None => None,
+ Some(vec) => Some(Rc::new(vec)),
+ };
+ NACodecInfo { name: name, properties: p, extradata: extradata }
+ }
+ pub fn new_ref(name: &'static str, p: NACodecTypeInfo, edata: Option<Rc<Vec<u8>>>) -> Self {
+ NACodecInfo { name: name, properties: p, extradata: edata }
+ }
+ 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 fn get_name(&self) -> &'static str { self.name }
+ pub fn is_video(&self) -> bool {
+ if let NACodecTypeInfo::Video(_) = self.properties { return true; }
+ false
+ }
+ pub fn is_audio(&self) -> bool {
+ if let NACodecTypeInfo::Audio(_) = self.properties { return true; }
+ false
+ }
+ pub fn new_dummy() -> Rc<Self> {
+ Rc::new(DUMMY_CODEC_INFO)
+ }
+ pub fn replace_info(&self, p: NACodecTypeInfo) -> Rc<Self> {
+ Rc::new(NACodecInfo { name: self.name, properties: p, extradata: self.extradata.clone() })
+ }
+}
+
+impl fmt::Display for NACodecInfo {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let edata = match self.extradata.clone() {
+ None => format!("no extradata"),
+ Some(v) => format!("{} byte(s) of extradata", v.len()),
+ };
+ write!(f, "{}: {} {}", self.name, self.properties, edata)
+ }
+}
+
+pub const DUMMY_CODEC_INFO: NACodecInfo = NACodecInfo {
+ name: "none",
+ properties: NACodecTypeInfo::None,
+ extradata: None };
+
+#[derive(Debug,Clone)]
+pub enum NAValue {
+ None,
+ Int(i32),
+ Long(i64),
+ String(String),
+ Data(Rc<Vec<u8>>),
+}
+
+#[derive(Debug,Clone,Copy,PartialEq)]
+#[allow(dead_code)]
+pub enum FrameType {
+ I,
+ P,
+ B,
+ Skip,
+ Other,
+}
+
+impl fmt::Display for FrameType {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match *self {
+ FrameType::I => write!(f, "I"),
+ FrameType::P => write!(f, "P"),
+ FrameType::B => write!(f, "B"),
+ FrameType::Skip => write!(f, "skip"),
+ FrameType::Other => write!(f, "x"),
+ }
+ }
+}
+
+#[derive(Debug,Clone,Copy)]
+pub struct NATimeInfo {
+ pts: Option<u64>,
+ dts: Option<u64>,
+ duration: Option<u64>,
+ tb_num: u32,
+ tb_den: u32,
+}
+
+impl NATimeInfo {
+ pub fn new(pts: Option<u64>, dts: Option<u64>, duration: Option<u64>, tb_num: u32, tb_den: u32) -> Self {
+ NATimeInfo { pts: pts, dts: dts, duration: duration, tb_num: tb_num, tb_den: tb_den }
+ }
+ pub fn get_pts(&self) -> Option<u64> { self.pts }
+ pub fn get_dts(&self) -> Option<u64> { self.dts }
+ pub fn get_duration(&self) -> Option<u64> { self.duration }
+ pub fn set_pts(&mut self, pts: Option<u64>) { self.pts = pts; }
+ pub fn set_dts(&mut self, dts: Option<u64>) { self.dts = dts; }
+ pub fn set_duration(&mut self, dur: Option<u64>) { self.duration = dur; }
+}
+
+#[allow(dead_code)]
+#[derive(Clone)]
+pub struct NAFrame {
+ ts: NATimeInfo,
+ buffer: NABufferType,
+ info: Rc<NACodecInfo>,
+ ftype: FrameType,
+ key: bool,
+ options: HashMap<String, NAValue>,
+}
+
+pub type NAFrameRef = Rc<RefCell<NAFrame>>;
+
+fn get_plane_size(info: &NAVideoInfo, idx: usize) -> (usize, usize) {
+ let chromaton = info.get_format().get_chromaton(idx);
+ if let None = chromaton { return (0, 0); }
+ let (hs, vs) = chromaton.unwrap().get_subsampling();
+ let w = (info.get_width() + ((1 << hs) - 1)) >> hs;
+ let h = (info.get_height() + ((1 << vs) - 1)) >> vs;
+ (w, h)
+}
+
+impl NAFrame {
+ pub fn new(ts: NATimeInfo,
+ ftype: FrameType,
+ keyframe: bool,
+ info: Rc<NACodecInfo>,
+ options: HashMap<String, NAValue>,
+ buffer: NABufferType) -> Self {
+ NAFrame { ts: ts, buffer: buffer, info: info, ftype: ftype, key: keyframe, options: options }
+ }
+ pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() }
+ pub fn get_frame_type(&self) -> FrameType { self.ftype }
+ pub fn is_keyframe(&self) -> bool { self.key }
+ pub fn set_frame_type(&mut self, ftype: FrameType) { self.ftype = ftype; }
+ pub fn set_keyframe(&mut self, key: bool) { self.key = key; }
+ pub fn get_time_information(&self) -> NATimeInfo { self.ts }
+ pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() }
+ pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() }
+ pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() }
+ pub fn set_pts(&mut self, pts: Option<u64>) { self.ts.set_pts(pts); }
+ pub fn set_dts(&mut self, dts: Option<u64>) { self.ts.set_dts(dts); }
+ pub fn set_duration(&mut self, dur: Option<u64>) { self.ts.set_duration(dur); }
+
+ pub fn get_buffer(&self) -> NABufferType { self.buffer.clone() }
+}
+
+impl fmt::Display for NAFrame {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let mut foo = format!("frame type {}", self.ftype);
+ if let Some(pts) = self.ts.pts { foo = format!("{} pts {}", foo, pts); }
+ if let Some(dts) = self.ts.dts { foo = format!("{} dts {}", foo, dts); }
+ if let Some(dur) = self.ts.duration { foo = format!("{} duration {}", foo, dur); }
+ if self.key { foo = format!("{} kf", foo); }
+ write!(f, "[{}]", foo)
+ }
+}
+
+/// Possible stream types.
+#[derive(Debug,Clone,Copy)]
+#[allow(dead_code)]
+pub enum StreamType {
+ /// video stream
+ Video,
+ /// audio stream
+ Audio,
+ /// subtitles
+ Subtitles,
+ /// any data stream (or might be an unrecognized audio/video stream)
+ Data,
+ /// nonexistent stream
+ None,
+}
+
+impl fmt::Display for StreamType {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match *self {
+ StreamType::Video => write!(f, "Video"),
+ StreamType::Audio => write!(f, "Audio"),
+ StreamType::Subtitles => write!(f, "Subtitles"),
+ StreamType::Data => write!(f, "Data"),
+ StreamType::None => write!(f, "-"),
+ }
+ }
+}
+
+#[allow(dead_code)]
+#[derive(Clone)]
+pub struct NAStream {
+ media_type: StreamType,
+ id: u32,
+ num: usize,
+ info: Rc<NACodecInfo>,
+ tb_num: u32,
+ tb_den: u32,
+}
+
+pub fn reduce_timebase(tb_num: u32, tb_den: u32) -> (u32, u32) {
+ if tb_num == 0 { return (tb_num, tb_den); }
+ if (tb_den % tb_num) == 0 { return (1, tb_den / tb_num); }
+
+ let mut a = tb_num;
+ let mut b = tb_den;
+
+ while a != b {
+ if a > b { a -= b; }
+ else if b > a { b -= a; }
+ }
+
+ (tb_num / a, tb_den / a)
+}
+
+impl NAStream {
+ pub fn new(mt: StreamType, id: u32, info: NACodecInfo, tb_num: u32, tb_den: u32) -> Self {
+ let (n, d) = reduce_timebase(tb_num, tb_den);
+ NAStream { media_type: mt, id: id, num: 0, info: Rc::new(info), tb_num: n, tb_den: d }
+ }
+ pub fn get_id(&self) -> u32 { self.id }
+ pub fn get_num(&self) -> usize { self.num }
+ pub fn set_num(&mut self, num: usize) { self.num = num; }
+ pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() }
+ pub fn get_timebase(&self) -> (u32, u32) { (self.tb_num, self.tb_den) }
+ pub fn set_timebase(&mut self, tb_num: u32, tb_den: u32) {
+ let (n, d) = reduce_timebase(tb_num, tb_den);
+ self.tb_num = n;
+ self.tb_den = d;
+ }
+}
+
+impl fmt::Display for NAStream {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ write!(f, "({}#{} @ {}/{} - {})", self.media_type, self.id, self.tb_num, self.tb_den, self.info.get_properties())
+ }
+}
+
+#[allow(dead_code)]
+pub struct NAPacket {
+ stream: Rc<NAStream>,
+ ts: NATimeInfo,
+ buffer: Rc<Vec<u8>>,
+ keyframe: bool,
+// options: HashMap<String, NAValue<'a>>,
+}
+
+impl NAPacket {
+ pub fn new(str: Rc<NAStream>, ts: NATimeInfo, kf: bool, vec: Vec<u8>) -> Self {
+// let mut vec: Vec<u8> = Vec::new();
+// vec.resize(size, 0);
+ NAPacket { stream: str, ts: ts, keyframe: kf, buffer: Rc::new(vec) }
+ }
+ pub fn get_stream(&self) -> Rc<NAStream> { self.stream.clone() }
+ pub fn get_time_information(&self) -> NATimeInfo { self.ts }
+ pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() }
+ pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() }
+ pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() }
+ pub fn is_keyframe(&self) -> bool { self.keyframe }
+ pub fn get_buffer(&self) -> Rc<Vec<u8>> { self.buffer.clone() }
+}
+
+impl Drop for NAPacket {
+ fn drop(&mut self) {}
+}
+
+impl fmt::Display for NAPacket {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let mut foo = format!("[pkt for {} size {}", self.stream, self.buffer.len());
+ if let Some(pts) = self.ts.pts { foo = format!("{} pts {}", foo, pts); }
+ if let Some(dts) = self.ts.dts { foo = format!("{} dts {}", foo, dts); }
+ if let Some(dur) = self.ts.duration { foo = format!("{} duration {}", foo, dur); }
+ if self.keyframe { foo = format!("{} kf", foo); }
+ foo = foo + "]";
+ write!(f, "{}", foo)
+ }
+}
+
+pub trait FrameFromPacket {
+ fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>, buf: NABufferType) -> NAFrame;
+ fn fill_timestamps(&mut self, pkt: &NAPacket);
+}
+
+impl FrameFromPacket for NAFrame {
+ fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>, buf: NABufferType) -> NAFrame {
+ NAFrame::new(pkt.ts, FrameType::Other, pkt.keyframe, info, HashMap::new(), buf)
+ }
+ fn fill_timestamps(&mut self, pkt: &NAPacket) {
+ self.ts = pkt.get_time_information();
+ }
+}
+
projects / nihav.git / blobdiff