allow dumping raw frames

diff --git a/src/main.rs b/src/main.rs
index bb94c1218432969bcebead768e75deb3fbaa6b68..59c18788c78ff3a8b7485fd71478eae3c4584e75 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,7 +2,7 @@ extern crate nihav_core;
 extern crate nihav_registry;
 extern crate nihav_allstuff;
 
-use std::io::SeekFrom;
+use std::io::{SeekFrom, Write};
 use std::fs::File;
 use std::path::Path;
 use nihav_core::io::byteio::{FileReader, ByteReader};
@@ -95,6 +95,7 @@ fn main() {
     let mut vpfx: Option<String> = None;
     let mut apfx: Option<&str> = None;
     let mut ignore_errors = false;
+    let mut dump_frames = false;
 
     while (cur_arg < args.len()) && args[cur_arg].starts_with('-') {
         match args[cur_arg].as_str() {
@@ -135,6 +136,7 @@ fn main() {
                 vpfx = Some(args[cur_arg].clone());
             },
             "-ignerr"   => { ignore_errors = true; },
+            "-dumpfrm"  => { dump_frames = true; },
             _           => { println!("unknown option {}", args[cur_arg]); return; },
         }
         cur_arg += 1;
@@ -233,6 +235,7 @@ panic!("decoder {} not found", info.get_name());
         }
     }
 
+    let mut frmnum = 0;
     loop {
         let pktres = dmx.get_frame();
         if let Err(e) = pktres {
@@ -242,6 +245,12 @@ panic!("decoder {} not found", info.get_name());
         let streamno = pkt.get_stream().get_id();
         let sr = sids.iter().position(|x| *x == streamno);
         let idx = sr.unwrap();
+        if dump_frames {
+            let name = format!("out{:02}_{:08}.frm", streamno, pkt.get_pts().unwrap_or(frmnum));
+            let mut ofile = File::create(name).unwrap();
+            ofile.write(pkt.get_buffer().as_slice()).unwrap();
+            frmnum += 1;
+        }
         if let Some((ref mut dsupp, ref mut dec)) = decs[idx] {
             match dec.decode(dsupp, &pkt) {
                 Ok(frm) => {