1 extern crate nihav_core;
2 extern crate nihav_registry;
3 extern crate nihav_allstuff;
8 use nihav_core::io::byteio::{FileReader, ByteReader};
9 use nihav_core::frame::*;
10 use nihav_core::codecs::*;
11 use nihav_core::demuxers::*;
12 use nihav_registry::detect;
13 use nihav_allstuff::*;
17 use crate::frmwriter::*;
20 use crate::wavwriter::WavWriter;
22 #[derive(Clone,Copy,PartialEq)]
37 fn output_frame(&mut self, pkt: &NAPacket, frm: NAFrameRef) {
38 if frm.get_frame_type() != FrameType::Skip {
39 let pts = match self.nmode {
40 NumberMode::Counter => { self.frameno },
41 NumberMode::PktPTS => { pkt.get_pts().unwrap() },
42 NumberMode::FrmPTS => { if let Some(pt) = frm.get_pts() { pt } else { pkt.get_pts().unwrap() } },
44 let vinfo = frm.get_buffer().get_video_info().unwrap();
45 if vinfo.get_format().is_paletted() {
46 write_palppm(&self.prefix, self.streamno, pts, frm);
47 } else if vinfo.get_format().get_model().is_yuv() {
48 write_pgmyuv(&self.prefix, self.streamno, pts, frm);
49 } else if vinfo.get_format().get_model().is_rgb() {
50 write_ppm(&self.prefix, self.streamno, pts, frm);
52 panic!(" unknown format");
60 wwr: WavWriter<'static>,
65 fn new(name: &str) -> Self { Self { wwr: WavWriter::new(name), wrote_header: false } }
66 fn output_frame(&mut self, _pkt: &NAPacket, frm: NAFrameRef) {
67 if !self.wrote_header {
68 self.wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
69 self.wrote_header = true;
71 self.wwr.write_frame(frm.get_buffer()).unwrap();
82 let args: Vec<_> = env::args().collect();
85 println!("usage: nihav-tool [-noout] [-vn] [-an] input [lastpts]");
88 let mut lastpts: Option<u64> = None;
89 let mut cur_arg: usize = 1;
90 let mut noout = false;
91 let mut decode_video = true;
92 let mut decode_audio = true;
93 let mut nmode = NumberMode::FrmPTS;
94 let mut seek_time = 0u64;
95 let mut vpfx: Option<String> = None;
96 let mut apfx: Option<&str> = None;
97 let mut ignore_errors = false;
99 while (cur_arg < args.len()) && args[cur_arg].starts_with('-') {
100 match args[cur_arg].as_str() {
102 "-noout" => { noout = true; },
103 "-an" => { decode_audio = false; },
104 "-vn" => { decode_video = false; },
105 "-nm=count" => { nmode = NumberMode::Counter; },
106 "-nm=pktpts" => { nmode = NumberMode::PktPTS; },
107 "-nm=frmpts" => { nmode = NumberMode::FrmPTS; },
110 if cur_arg == args.len() {
111 println!("seek time missing");
114 let ret = args[cur_arg].parse::<u64>();
116 println!("wrong seek time");
119 seek_time = ret.unwrap();
123 if cur_arg == args.len() {
124 println!("name missing");
127 apfx = Some(&args[cur_arg]);
131 if cur_arg == args.len() {
132 println!("name missing");
135 vpfx = Some(args[cur_arg].clone());
137 "-ignerr" => { ignore_errors = true; },
138 _ => { println!("unknown option {}", args[cur_arg]); return; },
142 let name = args[cur_arg].as_str();
144 if cur_arg < args.len() {
145 lastpts = Some(u64::from_str_radix(args[cur_arg].as_str(), 10).unwrap());
148 let path = Path::new(name);
149 let mut file = File::open(path).unwrap();
151 let mut fr = FileReader::new_read(&mut file);
152 let mut br = ByteReader::new(&mut fr);
153 let res = detect::detect_format(name, &mut br);
155 println!("cannot detect format for {}", name);
158 let (dmx_name, _) = res.unwrap();
159 println!("trying demuxer {} on {}", dmx_name, name);
161 let mut dmx_reg = RegisteredDemuxers::new();
162 nihav_register_all_demuxers(&mut dmx_reg);
163 let mut dec_reg = RegisteredDecoders::new();
164 nihav_register_all_codecs(&mut dec_reg);
166 dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap();
167 br.seek(SeekFrom::Start(0)).unwrap();
168 let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
171 let ret = dmx.seek(seek_time);
173 println!(" seek error {:?}", ret.err().unwrap());
177 let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
178 let mut sids: Vec<u32> = Vec::new();
179 let mut writers: Vec<Outputter> = Vec::new();
180 for i in 0..dmx.get_num_streams() {
181 let s = dmx.get_stream(i).unwrap();
182 let info = s.get_info();
183 let decfunc = dec_reg.find_decoder(info.get_name());
184 println!("stream {} - {} {}", i, s, info.get_name());
185 let str_id = s.get_id();
186 let mut has_out = false;
190 if decfunc.is_none() {
191 println!("no video decoder found!");
194 let mut dec = (decfunc.unwrap())();
195 let mut dsupp = Box::new(NADecoderSupport::new());
196 dec.init(&mut dsupp, info).unwrap();
197 decs.push(Some((dsupp, dec)));
199 writers.push(Outputter::Video(FrameOutput{prefix: if let Some(ref str) = vpfx { str.clone() } else { "out".to_string() }, streamno: i, frameno: 1, nmode}));
205 } else if info.is_audio() {
207 if decfunc.is_none() {
208 println!("no audio decoder found!");
211 let mut dec = (decfunc.unwrap())();
212 let mut dsupp = Box::new(NADecoderSupport::new());
213 dec.init(&mut dsupp, info).unwrap();
214 decs.push(Some((dsupp, dec)));
216 let name = if let Some(apfx) = apfx {
217 format!("{}{:02}.wav", apfx, i)
219 format!("out{:02}.wav", i)
221 writers.push(Outputter::Audio(AudioOutput::new(&name)));
229 panic!("decoder {} not found", info.get_name());
232 writers.push(Outputter::None);
237 let pktres = dmx.get_frame();
238 if let Err(e) = pktres {
239 if e == DemuxerError::EOF { break; }
241 let pkt = pktres.unwrap();
242 let streamno = pkt.get_stream().get_id();
243 let sr = sids.iter().position(|x| *x == streamno);
244 let idx = sr.unwrap();
245 if let Some((ref mut dsupp, ref mut dec)) = decs[idx] {
246 match dec.decode(dsupp, &pkt) {
250 Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); },
251 Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); },
256 Err(DecoderError::MissingReference) if seek_time > 0 => {
257 println!("ignoring missing ref");
260 println!("error decoding frame {:?}", reason);
266 if pkt.get_pts() != None && lastpts.is_some() && pkt.get_pts() >= lastpts { break; }