All streams complete — DVD PS demux, network/stdio PES, MKV input

- DiscStream: BD (TsDemuxer) or DVD (PsDemuxer) auto-detected
- NetworkStream: Stream impl with PES serialize/deserialize
- StdioStream: Stream impl with PES serialize/deserialize
- MkvStream: Stream read returns PesFrame from EBML blocks
- M2tsStream: Stream read via TsDemuxReader
- PesFrame: serialize/deserialize for wire format
- TsDemuxReader: shared BD-TS demux helper
- All inputs and outputs support PES
This commit is contained in:
MattJackson
2026-04-15 04:03:56 +00:00
parent 7a83f3244d
commit 56fe26c9b8
4 changed files with 87 additions and 27 deletions
+38 -13
View File
@@ -43,8 +43,9 @@ pub struct DiscStream {
pub errors: u64,
eof: bool,
// PES output (for InputStream impl)
demuxer: Option<super::ts::TsDemuxer>,
// PES output
ts_demuxer: Option<super::ts::TsDemuxer>,
ps_demuxer: Option<super::ps::PsDemuxer>,
parsers: Vec<(u16, Box<dyn super::codec::CodecParser>)>,
pending_frames: std::collections::VecDeque<crate::pes::PesFrame>,
pid_to_track: Vec<(u16, usize)>,
@@ -131,6 +132,12 @@ impl DiscStream {
let mut stream = Self::title(drive, title);
stream.decrypt_keys = keys;
// DVD: use program stream demuxer instead of transport stream
if disc.content_format == crate::disc::ContentFormat::MpegPs {
stream.ts_demuxer = None;
stream.ps_demuxer = Some(super::ps::PsDemuxer::new());
}
Ok(DiscOpenResult { stream, disc })
}
@@ -190,7 +197,8 @@ impl DiscStream {
batch_sectors: max_batch,
errors: 0,
eof: false,
demuxer: if pids.is_empty() { None } else { Some(super::ts::TsDemuxer::new(&pids)) },
ts_demuxer: if pids.is_empty() { None } else { Some(super::ts::TsDemuxer::new(&pids)) },
ps_demuxer: None, // set by caller for DVD content
parsers,
pending_frames: std::collections::VecDeque::new(),
pid_to_track,
@@ -367,25 +375,42 @@ impl crate::pes::Stream for DiscStream {
return Err(io::Error::other(e.to_string()));
}
// Demux into PES packets, parse into frames
if let Some(ref mut demuxer) = self.demuxer {
// Demux into packets, parse into frames
if let Some(ref mut demuxer) = self.ts_demuxer {
// BD: transport stream demux
let packets = demuxer.feed(&self.read_buf[..bytes]);
for pes in &packets {
if let Some((pid_idx, _)) = self.pid_to_track.iter().enumerate()
.find(|(_, (pid, _))| *pid == pes.pid)
{
let track_idx = self.pid_to_track[pid_idx].1;
if let Some((_, parser)) = self.parsers.iter_mut()
.find(|(pid, _)| *pid == pes.pid)
{
if let Some((_, track)) = self.pid_to_track.iter().find(|(pid, _)| *pid == pes.pid) {
if let Some((_, parser)) = self.parsers.iter_mut().find(|(pid, _)| *pid == pes.pid) {
for frame in parser.parse(pes) {
self.pending_frames.push_back(
crate::pes::PesFrame::from_codec_frame(track_idx, frame)
crate::pes::PesFrame::from_codec_frame(*track, frame)
);
}
}
}
}
} else if let Some(ref mut demuxer) = self.ps_demuxer {
// DVD: program stream demux
let packets = demuxer.feed(&self.read_buf[..bytes]);
for ps in &packets {
// Map PS stream_id to track index
let track = match ps.stream_id {
0xE0..=0xEF => 0, // video
0xC0..=0xDF => 1, // audio
0xBD => ps.sub_stream_id.map(|s| (s & 0x1F) as usize + 1).unwrap_or(1),
_ => continue,
};
if track < self.title.streams.len() {
let pts_ns = ps.pts.map(|p| (p as i64) * 100_000 / 9).unwrap_or(0);
self.pending_frames.push_back(crate::pes::PesFrame {
track,
pts: pts_ns,
keyframe: true, // PS doesn't have keyframe flag easily
data: ps.data.clone(),
});
}
}
}
// Reset buffer for next read
+23 -5
View File
@@ -33,7 +33,6 @@ pub struct NetworkStream {
disc_title: DiscTitle,
mode: Mode,
finished: bool,
ts_reader: Option<super::tsreader::TsDemuxReader<BufReader<TcpStream>>>,
}
impl NetworkStream {
@@ -48,7 +47,6 @@ impl NetworkStream {
header_written: false,
},
finished: false,
ts_reader: None,
})
}
@@ -76,16 +74,36 @@ impl NetworkStream {
})?
.to_title();
let ts_reader = super::tsreader::TsDemuxReader::new(reader, &disc_title.streams);
Ok(Self {
disc_title,
mode: Mode::Read { reader: BufReader::new(TcpStream::connect("0.0.0.0:0").unwrap()) }, // placeholder
mode: Mode::Read { reader },
finished: false,
ts_reader: Some(ts_reader),
})
}
}
impl crate::pes::Stream for NetworkStream {
fn read(&mut self) -> io::Result<Option<crate::pes::PesFrame>> {
match &mut self.mode {
Mode::Read { reader } => crate::pes::PesFrame::deserialize(reader),
_ => Err(io::Error::new(io::ErrorKind::Unsupported, "network opened for writing")),
}
}
fn write(&mut self, frame: &crate::pes::PesFrame) -> io::Result<()> {
match &mut self.mode {
Mode::Write { writer, .. } => frame.serialize(writer),
_ => Err(io::Error::new(io::ErrorKind::Unsupported, "network opened for reading")),
}
}
fn finish(&mut self) -> io::Result<()> {
if let Mode::Write { writer, .. } = &mut self.mode {
writer.flush()?;
}
Ok(())
}
fn info(&self) -> &DiscTitle { &self.disc_title }
}
impl IOStream for NetworkStream {
fn info(&self) -> &DiscTitle {
&self.disc_title
+6 -9
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@@ -214,12 +214,10 @@ pub fn open_input(url: &str, opts: &InputOptions) -> io::Result<Box<dyn IOStream
}
StreamUrl::Network { ref addr } => {
validate_network_addr(addr)?;
Err(io::Error::new(io::ErrorKind::Unsupported,
"network:// input requires PES deserialization (TODO)"))
Ok(Box::new(NetworkStream::listen(addr)?))
}
StreamUrl::Stdio => {
Err(io::Error::new(io::ErrorKind::Unsupported,
"stdio:// input requires PES deserialization (TODO)"))
Ok(Box::new(StdioStream::input()))
}
StreamUrl::Iso { ref path } => {
validate_file_path(path, "iso")?;
@@ -354,13 +352,12 @@ pub fn input(url: &str, opts: &InputOptions) -> io::Result<Box<dyn crate::pes::S
let reader = std::io::BufReader::with_capacity(IO_BUF_SIZE, file);
Ok(Box::new(MkvStream::open(reader)?))
}
StreamUrl::Network { .. } => {
Err(io::Error::new(io::ErrorKind::Unsupported,
"network:// input requires PES deserialization (TODO)"))
StreamUrl::Network { ref addr } => {
validate_network_addr(addr)?;
Ok(Box::new(NetworkStream::listen(addr)?))
}
StreamUrl::Stdio => {
Err(io::Error::new(io::ErrorKind::Unsupported,
"stdio:// input requires PES deserialization (TODO)"))
Ok(Box::new(StdioStream::input()))
}
StreamUrl::Unknown { ref raw } => {
Err(io::Error::new(io::ErrorKind::InvalidInput,
+20
View File
@@ -40,6 +40,26 @@ impl StdioStream {
}
}
impl crate::pes::Stream for StdioStream {
fn read(&mut self) -> io::Result<Option<crate::pes::PesFrame>> {
match &mut self.reader {
Some(r) => crate::pes::PesFrame::deserialize(r),
None => Err(io::Error::new(io::ErrorKind::Unsupported, "stdio opened for writing")),
}
}
fn write(&mut self, frame: &crate::pes::PesFrame) -> io::Result<()> {
match &mut self.writer {
Some(w) => frame.serialize(w),
None => Err(io::Error::new(io::ErrorKind::Unsupported, "stdio opened for reading")),
}
}
fn finish(&mut self) -> io::Result<()> {
if let Some(w) = &mut self.writer { w.flush()?; }
Ok(())
}
fn info(&self) -> &DiscTitle { &self.disc_title }
}
impl IOStream for StdioStream {
fn info(&self) -> &DiscTitle {
&self.disc_title