1 extern crate nihav_core;
2 extern crate nihav_codec_support;
3 extern crate nihav_registry;
4 extern crate nihav_allstuff;
6 use std::io::{SeekFrom, Write};
9 use nihav_core::io::byteio::{FileReader, ByteReader};
10 use nihav_core::frame::*;
11 use nihav_core::codecs::*;
12 use nihav_core::demuxers::*;
13 use nihav_codec_support::imgwrite::*;
14 use nihav_registry::detect;
15 use nihav_allstuff::*;
19 use crate::wavwriter::WavWriter;
21 #[derive(Clone,Copy,PartialEq)]
36 fn output_frame(&mut self, pkt: &NAPacket, frm: NAFrameRef) {
37 if frm.get_frame_type() != FrameType::Skip {
38 let pts = match self.nmode {
39 NumberMode::Counter => { self.frameno },
40 NumberMode::PktPTS => { pkt.get_pts().unwrap() },
41 NumberMode::FrmPTS => { if let Some(pt) = frm.get_pts() { pt } else { pkt.get_pts().unwrap() } },
43 if let Err(_) = write_pnm(&self.prefix, self.streamno, pts, frm) {
44 println!("error writing output picture");
52 wwr: WavWriter<'static>,
57 fn new(name: &str) -> Self { Self { wwr: WavWriter::new(name), wrote_header: false } }
58 fn output_frame(&mut self, _pkt: &NAPacket, frm: NAFrameRef) {
59 if !self.wrote_header {
60 self.wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
61 self.wrote_header = true;
63 self.wwr.write_frame(frm.get_buffer()).unwrap();
74 let args: Vec<_> = env::args().collect();
77 println!("usage: nihav-tool [-noout] [-vn] [-an] input [lastpts]");
80 let mut lastpts: Option<u64> = None;
81 let mut cur_arg: usize = 1;
82 let mut noout = false;
83 let mut decode_video = true;
84 let mut decode_audio = true;
85 let mut nmode = NumberMode::FrmPTS;
86 let mut seek_time = 0u64;
87 let mut vpfx: Option<String> = None;
88 let mut apfx: Option<&str> = None;
89 let mut ignore_errors = false;
90 let mut dump_frames = false;
92 while (cur_arg < args.len()) && args[cur_arg].starts_with('-') {
93 match args[cur_arg].as_str() {
95 "-noout" => { noout = true; },
96 "-an" => { decode_audio = false; },
97 "-vn" => { decode_video = false; },
98 "-nm=count" => { nmode = NumberMode::Counter; },
99 "-nm=pktpts" => { nmode = NumberMode::PktPTS; },
100 "-nm=frmpts" => { nmode = NumberMode::FrmPTS; },
103 if cur_arg == args.len() {
104 println!("seek time missing");
107 let ret = args[cur_arg].parse::<u64>();
109 println!("wrong seek time");
112 seek_time = ret.unwrap();
116 if cur_arg == args.len() {
117 println!("name missing");
120 apfx = Some(&args[cur_arg]);
124 if cur_arg == args.len() {
125 println!("name missing");
128 vpfx = Some(args[cur_arg].clone());
130 "-ignerr" => { ignore_errors = true; },
131 "-dumpfrm" => { dump_frames = true; },
132 _ => { println!("unknown option {}", args[cur_arg]); return; },
136 let name = args[cur_arg].as_str();
138 if cur_arg < args.len() {
139 lastpts = Some(u64::from_str_radix(args[cur_arg].as_str(), 10).unwrap());
142 let path = Path::new(name);
143 let mut file = File::open(path).unwrap();
145 let mut fr = FileReader::new_read(&mut file);
146 let mut br = ByteReader::new(&mut fr);
147 let res = detect::detect_format(name, &mut br);
149 println!("cannot detect format for {}", name);
152 let (dmx_name, _) = res.unwrap();
153 println!("trying demuxer {} on {}", dmx_name, name);
155 let mut dmx_reg = RegisteredDemuxers::new();
156 nihav_register_all_demuxers(&mut dmx_reg);
157 let mut dec_reg = RegisteredDecoders::new();
158 nihav_register_all_codecs(&mut dec_reg);
160 dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap();
161 br.seek(SeekFrom::Start(0)).unwrap();
162 let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
165 let ret = dmx.seek(seek_time);
167 println!(" seek error {:?}", ret.err().unwrap());
171 let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
172 let mut sids: Vec<u32> = Vec::new();
173 let mut writers: Vec<Outputter> = Vec::new();
174 for i in 0..dmx.get_num_streams() {
175 let s = dmx.get_stream(i).unwrap();
176 let info = s.get_info();
177 let decfunc = dec_reg.find_decoder(info.get_name());
178 println!("stream {} - {} {}", i, s, info.get_name());
179 let str_id = s.get_id();
180 let mut has_out = false;
184 if decfunc.is_none() {
185 println!("no video decoder found!");
188 let mut dec = (decfunc.unwrap())();
189 let mut dsupp = Box::new(NADecoderSupport::new());
190 dec.init(&mut dsupp, info).unwrap();
191 decs.push(Some((dsupp, dec)));
193 writers.push(Outputter::Video(FrameOutput{prefix: if let Some(ref str) = vpfx { str.clone() } else { "out".to_string() }, streamno: i, frameno: 1, nmode}));
199 } else if info.is_audio() {
201 if decfunc.is_none() {
202 println!("no audio decoder found!");
205 let mut dec = (decfunc.unwrap())();
206 let mut dsupp = Box::new(NADecoderSupport::new());
207 dec.init(&mut dsupp, info).unwrap();
208 decs.push(Some((dsupp, dec)));
210 let name = if let Some(apfx) = apfx {
211 format!("{}{:02}.wav", apfx, i)
213 format!("out{:02}.wav", i)
215 writers.push(Outputter::Audio(AudioOutput::new(&name)));
223 panic!("decoder {} not found", info.get_name());
226 writers.push(Outputter::None);
232 let pktres = dmx.get_frame();
233 if let Err(e) = pktres {
234 if e == DemuxerError::EOF { break; }
236 let pkt = pktres.unwrap();
237 let streamno = pkt.get_stream().get_id();
238 let sr = sids.iter().position(|x| *x == streamno);
239 let idx = sr.unwrap();
241 let name = format!("out{:02}_{:08}.frm", streamno, pkt.get_pts().unwrap_or(frmnum));
242 let mut ofile = File::create(name).unwrap();
243 ofile.write(pkt.get_buffer().as_slice()).unwrap();
246 if let Some((ref mut dsupp, ref mut dec)) = decs[idx] {
247 match dec.decode(dsupp, &pkt) {
251 Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); },
252 Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); },
257 Err(DecoderError::MissingReference) if seek_time > 0 => {
258 println!("ignoring missing ref");
261 println!("error decoding frame {:?}", reason);
267 if pkt.get_pts() != None && lastpts.is_some() && pkt.get_pts() >= lastpts { break; }