}
}
+/// Possible stream types.
+#[derive(Debug,Clone,Copy)]
#[allow(dead_code)]
-pub struct NACodecContext<'a> {
- info: &'a NACodecInfo,
+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>,
}
+
+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 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() }
+}
+
+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())
+ }
+}
+
+#[allow(dead_code)]
+pub struct NAPacket {
+ stream: Rc<NAStream>,
+ pts: Option<u64>,
+ dts: Option<u64>,
+ duration: Option<u64>,
+ 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 {
+// 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) }
+ }
+ 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 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.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 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 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, info, HashMap::new())
+ }
+ fn fill_timestamps(&mut self, pkt: &NAPacket) {
+ self.set_pts(pkt.pts);
+ self.set_dts(pkt.dts);
+ self.set_duration(pkt.duration);
+ }
+}
+