+++ /dev/null
-use std::collections::HashMap;
-use std::fmt;
-use std::rc::Rc;
-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 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)
- }
-}
-
-
-#[allow(dead_code)]
-#[derive(Clone)]
-pub struct NABuffer {
- id: u64,
- data: Rc<Vec<u8>>,
-}
-
-impl Drop for NABuffer {
- fn drop(&mut self) { }
-}
-
-impl NABuffer {
- pub fn get_data(&self) -> Rc<Vec<u8>> { self.data.clone() }
- pub fn get_data_mut(&mut self) -> Option<&mut Vec<u8>> { Rc::get_mut(&mut self.data) }
-}
-
-#[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
- }
-}
-
-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 };
-
-fn alloc_video_buf(vinfo: NAVideoInfo, data: &mut Vec<u8>, offs: &mut Vec<usize>) {
-//todo use overflow detection mul
- let width = vinfo.width as usize;
- let height = vinfo.height as usize;
- let fmt = &vinfo.format;
- let mut new_size = 0;
- for i in 0..fmt.get_num_comp() {
- let chr = fmt.get_chromaton(i).unwrap();
- if !vinfo.is_flipped() {
- offs.push(new_size as usize);
- }
- new_size += chr.get_data_size(width, height);
- if vinfo.is_flipped() {
- offs.push(new_size as usize);
- }
- }
- data.resize(new_size, 0);
-}
-
-fn alloc_audio_buf(ainfo: NAAudioInfo, data: &mut Vec<u8>, offs: &mut Vec<usize>) {
-//todo better alloc
- let length = ((ainfo.sample_rate as usize) * (ainfo.format.get_bits() as usize)) >> 3;
- let new_size: usize = length * (ainfo.channels as usize);
- data.resize(new_size, 0);
- for i in 0..ainfo.channels {
- if ainfo.format.is_planar() {
- offs.push((i as usize) * length);
- } else {
- offs.push(((i * ainfo.format.get_bits()) >> 3) as usize);
- }
- }
-}
-
-pub fn alloc_buf(info: &NACodecInfo) -> (Rc<NABuffer>, Vec<usize>) {
- let mut data: Vec<u8> = Vec::new();
- let mut offs: Vec<usize> = Vec::new();
- match info.properties {
- NACodecTypeInfo::Audio(ainfo) => alloc_audio_buf(ainfo, &mut data, &mut offs),
- NACodecTypeInfo::Video(vinfo) => alloc_video_buf(vinfo, &mut data, &mut offs),
- _ => (),
- }
- (Rc::new(NABuffer { id: 0, data: Rc::new(data) }), offs)
-}
-
-pub fn copy_buf(buf: &NABuffer) -> Rc<NABuffer> {
- let mut data: Vec<u8> = Vec::new();
- data.clone_from(buf.get_data().as_ref());
- Rc::new(NABuffer { id: 0, data: Rc::new(data) })
-}
-
-#[derive(Debug,Clone)]
-pub enum NAValue {
- None,
- Int(i32),
- Long(i64),
- String(String),
- Data(Rc<Vec<u8>>),
-}
-
-#[allow(dead_code)]
-#[derive(Clone)]
-pub struct NAFrame {
- pts: Option<u64>,
- dts: Option<u64>,
- duration: Option<u64>,
- buffer: Rc<NABuffer>,
- info: Rc<NACodecInfo>,
- offsets: Vec<usize>,
- options: HashMap<String, NAValue>,
-}
-
-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(pts: Option<u64>,
- dts: Option<u64>,
- duration: Option<u64>,
- info: Rc<NACodecInfo>,
- options: HashMap<String, NAValue>) -> Self {
- let (buf, offs) = alloc_buf(&info);
- NAFrame { pts: pts, dts: dts, duration: duration, buffer: buf, offsets: offs, info: info, options: options }
- }
- pub fn from_copy(src: &NAFrame) -> Self {
- let buf = copy_buf(src.get_buffer().as_ref());
- let mut offs: Vec<usize> = Vec::new();
- offs.clone_from(&src.offsets);
- NAFrame { pts: None, dts: None, duration: None, buffer: buf, offsets: offs, info: src.info.clone(), options: src.options.clone() }
- }
- 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; }
-
- pub fn get_offset(&self, idx: usize) -> usize { self.offsets[idx] }
- pub fn get_buffer(&self) -> Rc<NABuffer> { self.buffer.clone() }
- pub fn get_buffer_mut(&mut self) -> Option<&mut NABuffer> { Rc::get_mut(&mut self.buffer) }
- pub fn get_stride(&self, idx: usize) -> usize {
- if let NACodecTypeInfo::Video(vinfo) = self.info.get_properties() {
- if idx >= vinfo.get_format().get_num_comp() { return 0; }
- vinfo.get_format().get_chromaton(idx).unwrap().get_linesize(vinfo.get_width())
- } else {
- 0
- }
- }
- pub fn get_dimensions(&self, idx: usize) -> (usize, usize) {
- match self.info.get_properties() {
- NACodecTypeInfo::Video(ref vinfo) => get_plane_size(vinfo, idx),
- _ => (0, 0),
- }
- }
-}
-
-#[allow(dead_code)]
-pub struct NACodecContext<'a> {
- info: &'a NACodecInfo,
-}
projects / nihav.git / blobdiff