6 use nihav::io::byteio::{FileReader, ByteReader};
9 use nihav::demuxers::*;
17 use wavwriter::WavWriter;
25 fn output_frame(&mut self, pkt: &NAPacket, frmref: NAFrameRef) {
26 let frm = frmref.borrow();
27 if frm.get_frame_type() != FrameType::Skip {
28 let pts = if let Some(pt) = frm.get_pts() { pt } else { pkt.get_pts().unwrap() };
29 let frmbuf = frm.get_buffer().get_vbuf().unwrap();
30 if frmbuf.get_info().get_format().is_paletted() {
31 write_palppm(self.prefix, self.streamno, pts, frm);
33 write_pgmyuv(self.prefix, self.streamno, pts, frm);
40 wwr: WavWriter<'static>,
45 fn new(name: &String) -> Self { Self { wwr: WavWriter::new(name), wrote_header: false } }
46 fn output_frame(&mut self, _pkt: &NAPacket, frm: NAFrameRef) {
47 if !self.wrote_header {
48 self.wwr.write_header(frm.borrow().get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
49 self.wrote_header = true;
51 self.wwr.write_frame(frm.borrow().get_buffer()).unwrap();
62 let args: Vec<_> = env::args().collect();
65 println!("usage: nihav-tool [-noout] [-vn] [-an] input [lastpts]");
68 let mut lastpts: Option<u64> = None;
69 let mut cur_arg: usize = 1;
70 let mut noout = false;
71 let mut decode_video = true;
72 let mut decode_audio = true;
74 while (cur_arg < args.len()) && (args[cur_arg].chars().next().unwrap() == '-') {
75 match args[cur_arg].as_str() {
77 "-noout" => { noout = true; },
78 "-an" => { decode_audio = false; },
79 "-vn" => { decode_video = false; },
80 _ => { println!("unknown option {}", args[cur_arg]); return; },
84 let name = args[cur_arg].as_str();
86 println!(" name = {} arg pos {}/{}", name, cur_arg, args.len());
87 if cur_arg < args.len() {
88 lastpts = Some(u64::from_str_radix(args[cur_arg].as_str(), 10).unwrap());
91 let path = Path::new(name);
92 let mut file = File::open(path).unwrap();
94 let mut fr = FileReader::new_read(&mut file);
95 let mut br = ByteReader::new(&mut fr);
96 let res = detect::detect_format(name, &mut br);
98 println!("cannot detect format for {}", name);
101 let (dmx_name, _) = res.unwrap();
102 println!("trying demuxer {} on {}", dmx_name, name);
103 dmx_fact = find_demuxer(dmx_name).unwrap();
104 br.seek(SeekFrom::Start(0)).unwrap();
105 let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
107 let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new();
108 let mut writers: Vec<Outputter> = Vec::new();
109 for i in 0..dmx.get_num_streams() {
110 let s = dmx.get_stream(i).unwrap();
111 let info = s.get_info();
112 let decfunc = find_decoder(info.get_name());
113 println!("stream {} - {} {}", i, s, info.get_name());
114 let mut has_out = false;
117 let mut dec = (decfunc.unwrap())();
118 dec.init(info).unwrap();
119 decs.push(Some(dec));
121 writers.push(Outputter::Video(FrameOutput{prefix: "", streamno: i}));
127 } else if info.is_audio() {
129 let mut dec = (decfunc.unwrap())();
130 dec.init(info).unwrap();
131 decs.push(Some(dec));
133 let name = format!("out{:02}.wav", i);
134 writers.push(Outputter::Audio(AudioOutput::new(&name)));
142 panic!("decoder {} not found", info.get_name());
145 writers.push(Outputter::None);
150 let pktres = dmx.get_frame();
151 if let Err(e) = pktres {
152 if e == DemuxerError::EOF { break; }
154 let pkt = pktres.unwrap();
155 let streamno = pkt.get_stream().get_id() as usize;
156 if let Some(ref mut dec) = decs[streamno] {
157 let frm = dec.decode(&pkt).unwrap();
159 match writers[streamno] {
160 Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); },
161 Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); },
166 if pkt.get_pts() != None && pkt.get_pts() == lastpts { break; }