+use std::cmp::max;
use std::collections::HashMap;
use std::fmt;
use std::rc::Rc;
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 }
+ pub fn set_width(&mut self, w: usize) { self.width = w; }
+ pub fn set_height(&mut self, h: usize) { self.height = h; }
}
impl fmt::Display for NAVideoInfo {
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 {
}
}
-pub type BufferRef = Rc<RefCell<Vec<u8>>>;
+pub type NABufferRefT<T> = Rc<RefCell<Vec<T>>>;
-#[allow(dead_code)]
#[derive(Clone)]
-pub struct NABuffer {
- id: u64,
- data: BufferRef,
+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))
+ }
}
-impl Drop for NABuffer {
- fn drop(&mut self) { }
+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() || (ainfo.channels == 1 && (ainfo.format.get_bits() % 8) == 0) {
+ 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))
+ }
}
-impl NABuffer {
- pub fn get_data(&self) -> Ref<Vec<u8>> { self.data.borrow() }
- pub fn get_data_mut(&mut self) -> RefMut<Vec<u8>> { self.data.borrow_mut() }
+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 type NABufferRef = Rc<RefCell<NABuffer>>;
+pub fn copy_buffer(buf: NABufferType) -> NABufferType {
+ buf.clone()
+}
#[allow(dead_code)]
#[derive(Clone)]
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 {
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) -> (NABufferRef, 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(RefCell::new(NABuffer { id: 0, data: Rc::new(RefCell::new(data)) })), offs)
-}
-
-pub fn copy_buf(buf: &NABuffer) -> NABufferRef {
- let mut data: Vec<u8> = Vec::new();
- data.clone_from(buf.get_data().as_ref());
- Rc::new(RefCell::new(NABuffer { id: 0, data: Rc::new(RefCell::new(data)) }))
-}
-
#[derive(Debug,Clone)]
pub enum NAValue {
None,
I,
P,
B,
+ Skip,
Other,
}
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"),
}
}
}
-#[allow(dead_code)]
-#[derive(Clone)]
-pub struct NAFrame {
+#[derive(Debug,Clone,Copy)]
+pub struct NATimeInfo {
pts: Option<u64>,
dts: Option<u64>,
duration: Option<u64>,
- buffer: NABufferRef,
+ 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,
- offsets: Vec<usize>,
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); }
}
impl NAFrame {
- pub fn new(pts: Option<u64>,
- dts: Option<u64>,
- duration: Option<u64>,
+ pub fn new(ts: NATimeInfo,
ftype: FrameType,
keyframe: bool,
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, ftype: ftype, key: keyframe, options: options }
- }
- pub fn from_copy(src: &NAFrame) -> Self {
- let buf = copy_buf(&src.get_buffer());
- 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(), ftype: src.ftype, key: src.key, options: src.options.clone() }
+ options: HashMap<String, NAValue>,
+ buffer: NABufferType) -> Self {
+ NAFrame { ts: ts, buffer: buffer, info: info, ftype: ftype, key: keyframe, options: options }
}
- 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 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_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 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_offset(&self, idx: usize) -> usize { self.offsets[idx] }
- pub fn get_buffer(&self) -> Ref<NABuffer> { self.buffer.borrow() }
- pub fn get_buffer_mut(&mut self) -> RefMut<NABuffer> { self.buffer.borrow_mut() }
- 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),
- }
- }
+ pub fn get_buffer(&self) -> NABufferType { self.buffer.clone() }
}
-pub type NAFrameRef = Rc<RefCell<NAFrame>>;
+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)]
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) -> Self {
- NAStream { media_type: mt, id: id, num: 0, info: Rc::new(info) }
+ 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.info.get_properties())
+ 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>,
- pts: Option<u64>,
- dts: Option<u64>,
- duration: Option<u64>,
+ ts: NATimeInfo,
buffer: Rc<Vec<u8>>,
keyframe: bool,
// options: HashMap<String, NAValue<'a>>,
}
impl NAPacket {
- pub fn new(str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, kf: bool, vec: Vec<u8>) -> Self {
+ 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, pts: pts, dts: dts, duration: dur, keyframe: kf, buffer: Rc::new(vec) }
+ NAPacket { stream: str, ts: ts, keyframe: kf, buffer: Rc::new(vec) }
}
pub fn get_stream(&self) -> Rc<NAStream> { self.stream.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 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 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.pts { foo = format!("{} pts {}", foo, pts); }
- if let Some(dts) = self.dts { foo = format!("{} dts {}", foo, dts); }
- if let Some(dur) = self.duration { foo = format!("{} duration {}", foo, dur); }
+ 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>) -> NAFrame;
+ 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>) -> NAFrame {
- NAFrame::new(pkt.pts, pkt.dts, pkt.duration, FrameType::Other, pkt.keyframe, info, HashMap::new())
+ 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.set_pts(pkt.pts);
- self.set_dts(pkt.dts);
- self.set_duration(pkt.duration);
+ self.ts = pkt.get_time_information();
}
}
projects / nihav.git / blobdiff