6 //use std::collections::HashMap;
9 #[derive(Debug,Clone,Copy)]
18 impl fmt::Display for StreamType {
19 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
21 StreamType::Video => write!(f, "Video"),
22 StreamType::Audio => write!(f, "Audio"),
23 StreamType::Subtitles => write!(f, "Subtitles"),
24 StreamType::Data => write!(f, "Data"),
33 media_type: StreamType,
36 info: Rc<NACodecInfo>,
40 pub fn new(mt: StreamType, id: u32, info: NACodecInfo) -> Self {
41 NAStream { media_type: mt, id: id, num: 0, info: Rc::new(info) }
43 pub fn get_id(&self) -> u32 { self.id }
44 pub fn get_num(&self) -> usize { self.num }
45 pub fn set_num(&mut self, num: usize) { self.num = num; }
46 pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() }
49 impl fmt::Display for NAStream {
50 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
51 write!(f, "({}#{})", self.media_type, self.id)
60 duration: Option<u64>,
63 // options: HashMap<String, NAValue<'a>>,
67 pub fn new(str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, kf: bool, vec: Vec<u8>) -> Self {
68 // let mut vec: Vec<u8> = Vec::new();
69 // vec.resize(size, 0);
70 NAPacket { stream: str, pts: pts, dts: dts, duration: dur, keyframe: kf, buffer: Rc::new(vec) }
72 pub fn get_stream(&self) -> Rc<NAStream> { self.stream.clone() }
73 pub fn get_pts(&self) -> Option<u64> { self.pts }
74 pub fn get_buffer(&self) -> Rc<Vec<u8>> { self.buffer.clone() }
77 impl fmt::Display for NAPacket {
78 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
79 let mut foo = format!("[pkt for {} size {}", self.stream, self.buffer.len());
80 if let Some(pts) = self.pts { foo = format!("{} pts {}", foo, pts); }
81 if let Some(dts) = self.dts { foo = format!("{} dts {}", foo, dts); }
82 if let Some(dur) = self.duration { foo = format!("{} duration {}", foo, dur); }
83 if self.keyframe { foo = format!("{} kf", foo); }
91 pub enum DemuxerError {
100 type DemuxerResult<T> = Result<T, DemuxerError>;
102 pub trait Demux<'a> {
103 fn open(&mut self) -> DemuxerResult<()>;
104 fn get_frame(&mut self) -> DemuxerResult<NAPacket>;
105 fn seek(&mut self, time: u64) -> DemuxerResult<()>;
108 pub trait NAPacketReader {
109 fn read_packet(&mut self, str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, keyframe: bool, size: usize) -> DemuxerResult<NAPacket>;
110 fn fill_packet(&mut self, pkt: &mut NAPacket) -> DemuxerResult<()>;
113 impl<'a> NAPacketReader for ByteReader<'a> {
114 fn read_packet(&mut self, str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, kf: bool, size: usize) -> DemuxerResult<NAPacket> {
115 let mut buf: Vec<u8> = Vec::with_capacity(size);
116 if buf.capacity() < size { return Err(DemuxerError::MemoryError); }
118 let res = self.read_buf(buf.as_mut_slice());
119 if let Err(_) = res { return Err(DemuxerError::IOError); }
120 if res.unwrap() < buf.len() { return Err(DemuxerError::IOError); }
121 let pkt = NAPacket::new(str, pts, dts, dur, kf, buf);
124 fn fill_packet(&mut self, pkt: &mut NAPacket) -> DemuxerResult<()> {
125 let mut refbuf = pkt.get_buffer();
126 let mut buf = Rc::make_mut(&mut refbuf);
127 let res = self.read_buf(buf.as_mut_slice());
128 if let Err(_) = res { return Err(DemuxerError::IOError); }
129 if res.unwrap() < buf.len() { return Err(DemuxerError::IOError); }
135 streams: Vec<Rc<NAStream>>,
139 pub fn new() -> Self { Demuxer { streams: Vec::new() } }
140 pub fn add_stream(&mut self, stream: NAStream) -> Option<usize> {
141 let stream_num = self.streams.len();
142 let mut str = stream.clone();
143 str.set_num(stream_num);
144 self.streams.push(Rc::new(str));
147 pub fn get_stream(&self, idx: usize) -> Option<Rc<NAStream>> {
148 if idx < self.streams.len() {
149 Some(self.streams[idx].clone())
154 pub fn get_stream_by_id(&self, id: u32) -> Option<Rc<NAStream>> {
155 for i in 0..self.streams.len() {
156 if self.streams[i].get_id() == id {
157 return Some(self.streams[i].clone());
164 impl From<ByteIOError> for DemuxerError {
165 fn from(_: ByteIOError) -> Self { DemuxerError::IOError }
168 //impl NADemuxerBuilder {
169 // #[allow(unused_variables)]
170 // pub fn create_demuxer(name: &str, url: &str) -> DemuxerResult<Box<NADemuxer<'static>>> {