+#[cfg(feature="demuxer_gdv")]
pub mod gdv;
+#[cfg(feature="demuxer_avi")]
pub mod avi;
use std::fmt;
use std::rc::Rc;
use frame::*;
-//use std::collections::HashMap;
+use std::collections::HashMap;
use io::byteio::*;
+/// 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,
}
}
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());
pub trait Demux<'a> {
fn open(&mut self) -> DemuxerResult<()>;
+ fn get_num_streams(&self) -> usize;
+ fn get_stream(&self, idx: usize) -> Option<Rc<NAStream>>;
fn get_frame(&mut self) -> DemuxerResult<NAPacket>;
fn seek(&mut self, time: u64) -> DemuxerResult<()>;
}
}
None
}
+ pub fn get_num_streams(&self) -> usize { self.streams.len() }
}
impl From<ByteIOError> for DemuxerError {
fn from(_: ByteIOError) -> Self { DemuxerError::IOError }
}
-//impl NADemuxerBuilder {
-// #[allow(unused_variables)]
-// pub fn create_demuxer(name: &str, url: &str) -> DemuxerResult<Box<NADemuxer<'static>>> {
-// unimplemented!()
-// }
-//}
+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);
+ }
+}
+
+///The structure used to create demuxers.
+pub trait DemuxerCreator {
+ /// Create new demuxer instance that will use `ByteReader` source as an input.
+ fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<Demux<'a> + 'a>;
+ /// Get the name of current demuxer creator.
+ fn get_name(&self) -> &'static str;
+}
+
+const DEMUXERS: &[&'static DemuxerCreator] = &[
+#[cfg(feature="demuxer_avi")]
+ &avi::AVIDemuxerCreator {},
+#[cfg(feature="demuxer_gdv")]
+ &gdv::GDVDemuxerCreator {},
+];
+
+pub fn find_demuxer(name: &str) -> Option<&DemuxerCreator> {
+ for &dmx in DEMUXERS {
+ if dmx.get_name() == name {
+ return Some(dmx);
+ }
+ }
+ None
+}