handle decoding errors a bit better

[nihav-tool.git] / src / main.rs

diff --git a/src/main.rs b/src/main.rs
index c26e671f628ab0259dc9a8a33c7b0728ffdaa453..71ccda6490e4ccf8a7ef0d73ff9efaae68818e67 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 extern crate nihav_core;
+extern crate nihav_registry;
 extern crate nihav_allstuff;
 
 use std::io::SeekFrom;
@@ -8,7 +9,7 @@ use nihav_core::io::byteio::{FileReader, ByteReader};
 use nihav_core::frame::*;
 use nihav_core::codecs::*;
 use nihav_core::demuxers::*;
-use nihav_core::detect;
+use nihav_registry::detect;
 use nihav_allstuff::*;
 use std::env;
 
@@ -90,6 +91,7 @@ fn main() {
     let mut decode_video = true;
     let mut decode_audio = true;
     let mut nmode = NumberMode::FrmPTS;
+    let mut seek_time = 0u64;
 
     while (cur_arg < args.len()) && args[cur_arg].starts_with('-') {
         match args[cur_arg].as_str() {
@@ -100,6 +102,19 @@ fn main() {
             "-nm=count"  => { nmode = NumberMode::Counter; },
             "-nm=pktpts" => { nmode = NumberMode::PktPTS; },
             "-nm=frmpts" => { nmode = NumberMode::FrmPTS; },
+            "-seek"     => {
+                cur_arg += 1;
+                if cur_arg == args.len() {
+                    println!("seek time missing");
+                    return;
+                }
+                let ret = args[cur_arg].parse::<u64>();
+                if ret.is_err() {
+                    println!("wrong seek time");
+                    return;
+                }
+                seek_time = ret.unwrap();
+            },
             _           => { println!("unknown option {}", args[cur_arg]); return; },
         }
         cur_arg += 1;
@@ -132,6 +147,13 @@ println!("trying demuxer {} on {}", dmx_name, name);
     br.seek(SeekFrom::Start(0)).unwrap();
     let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
 
+    if seek_time > 0 {
+        let ret = dmx.seek(seek_time);
+        if ret.is_err() {
+println!(" seek error {:?}", ret.err().unwrap());
+        }
+    }
+
     let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
     let mut sids: Vec<u32> = Vec::new();
     let mut writers: Vec<Outputter> = Vec::new();
@@ -197,14 +219,24 @@ panic!("decoder {} not found", info.get_name());
         let sr = sids.iter().position(|x| *x == streamno);
         let idx = sr.unwrap();
         if let Some((ref mut dsupp, ref mut dec)) = decs[idx] {
-            let frm = dec.decode(dsupp, &pkt).unwrap();
-            if !noout {
-                match writers[idx] {
-                    Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); },
-                    Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); },
-                    _ => {},
-                };
-            }
+            match dec.decode(dsupp, &pkt) {
+                Ok(frm) => {
+                    if !noout {
+                        match writers[idx] {
+                            Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); },
+                            Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); },
+                            _ => {},
+                        };
+                    }
+                },
+                Err(DecoderError::MissingReference) if seek_time > 0 => {
+                    println!("ignoring missing ref");
+                },
+                Err(reason) => {
+                    println!("error decoding frame {:?}", reason);
+                    break;
+                },
+            };
         }
         if pkt.get_pts() != None && lastpts.is_some() && pkt.get_pts() >= lastpts { break; }
     }