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1 | extern crate nihav_core; | |
2 | extern crate nihav_codec_support; | |
3 | extern crate nihav_registry; | |
4 | extern crate nihav_allstuff; | |
5 | ||
6 | use std::io::{SeekFrom, Write}; | |
7 | use std::fs::File; | |
8 | use std::path::Path; | |
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::*; | |
16 | use std::env; | |
17 | ||
18 | mod wavwriter; | |
19 | use crate::wavwriter::WavWriter; | |
20 | ||
21 | #[derive(Clone,Copy,PartialEq)] | |
22 | enum NumberMode { | |
23 | Counter, | |
24 | PktPTS, | |
25 | FrmPTS, | |
26 | } | |
27 | ||
28 | struct FrameOutput { | |
29 | prefix: String, | |
30 | streamno: usize, | |
31 | frameno: u64, | |
32 | nmode: NumberMode, | |
33 | } | |
34 | ||
35 | impl FrameOutput { | |
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() } }, | |
42 | }; | |
43 | if let Err(_) = write_pnm(&self.prefix, self.streamno, pts, frm) { | |
44 | println!("error writing output picture"); | |
45 | } | |
46 | } | |
47 | self.frameno += 1; | |
48 | } | |
49 | } | |
50 | ||
51 | struct AudioOutput { | |
52 | wwr: WavWriter<'static>, | |
53 | wrote_header: bool, | |
54 | } | |
55 | ||
56 | impl AudioOutput { | |
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; | |
62 | } | |
63 | self.wwr.write_frame(frm.get_buffer()).unwrap(); | |
64 | } | |
65 | } | |
66 | ||
67 | enum Outputter { | |
68 | Video(FrameOutput), | |
69 | Audio(AudioOutput), | |
70 | None, | |
71 | } | |
72 | ||
73 | fn main() { | |
74 | let args: Vec<_> = env::args().collect(); | |
75 | ||
76 | if args.len() == 1 { | |
77 | println!("usage: nihav-tool [-noout] [-vn] [-an] input [lastpts]"); | |
78 | return; | |
79 | } | |
80 | let mut lastpts = NATimePoint::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 smode = FrameSkipMode::None; | |
87 | let mut seek_time = NATimePoint::None; | |
88 | let mut vpfx: Option<String> = None; | |
89 | let mut apfx: Option<&str> = None; | |
90 | let mut ignore_errors = false; | |
91 | let mut dump_frames = false; | |
92 | ||
93 | while (cur_arg < args.len()) && args[cur_arg].starts_with('-') { | |
94 | match args[cur_arg].as_str() { | |
95 | "--" => { break; }, | |
96 | "-noout" => { noout = true; }, | |
97 | "-an" => { decode_audio = false; }, | |
98 | "-vn" => { decode_video = false; }, | |
99 | "-nm=count" => { nmode = NumberMode::Counter; }, | |
100 | "-nm=pktpts" => { nmode = NumberMode::PktPTS; }, | |
101 | "-nm=frmpts" => { nmode = NumberMode::FrmPTS; }, | |
102 | "-skip=key" => { smode = FrameSkipMode::KeyframesOnly; }, | |
103 | "-skip=intra" => { smode = FrameSkipMode::IntraOnly; }, | |
104 | "-seek" => { | |
105 | cur_arg += 1; | |
106 | if cur_arg == args.len() { | |
107 | println!("seek time missing"); | |
108 | return; | |
109 | } | |
110 | let ret = args[cur_arg].parse::<NATimePoint>(); | |
111 | if ret.is_err() { | |
112 | println!("wrong seek time"); | |
113 | return; | |
114 | } | |
115 | seek_time = ret.unwrap(); | |
116 | }, | |
117 | "-apfx" => { | |
118 | cur_arg += 1; | |
119 | if cur_arg == args.len() { | |
120 | println!("name missing"); | |
121 | return; | |
122 | } | |
123 | apfx = Some(&args[cur_arg]); | |
124 | }, | |
125 | "-vpfx" => { | |
126 | cur_arg += 1; | |
127 | if cur_arg == args.len() { | |
128 | println!("name missing"); | |
129 | return; | |
130 | } | |
131 | vpfx = Some(args[cur_arg].clone()); | |
132 | }, | |
133 | "-ignerr" => { ignore_errors = true; }, | |
134 | "-dumpfrm" => { dump_frames = true; }, | |
135 | _ => { println!("unknown option {}", args[cur_arg]); return; }, | |
136 | } | |
137 | cur_arg += 1; | |
138 | } | |
139 | let name = args[cur_arg].as_str(); | |
140 | cur_arg += 1; | |
141 | if cur_arg < args.len() { | |
142 | let ret = args[cur_arg].parse::<NATimePoint>(); | |
143 | if ret.is_err() { | |
144 | println!("cannot parse end time"); | |
145 | return; | |
146 | } | |
147 | lastpts = ret.unwrap(); | |
148 | } | |
149 | ||
150 | let path = Path::new(name); | |
151 | let mut file = File::open(path).unwrap(); | |
152 | let dmx_fact; | |
153 | let mut fr = FileReader::new_read(&mut file); | |
154 | let mut br = ByteReader::new(&mut fr); | |
155 | let res = detect::detect_format(name, &mut br); | |
156 | if res.is_none() { | |
157 | println!("cannot detect format for {}", name); | |
158 | return; | |
159 | } | |
160 | let (dmx_name, _) = res.unwrap(); | |
161 | println!("trying demuxer {} on {}", dmx_name, name); | |
162 | ||
163 | let mut dmx_reg = RegisteredDemuxers::new(); | |
164 | nihav_register_all_demuxers(&mut dmx_reg); | |
165 | let mut dec_reg = RegisteredDecoders::new(); | |
166 | nihav_register_all_decoders(&mut dec_reg); | |
167 | ||
168 | dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap(); | |
169 | br.seek(SeekFrom::Start(0)).unwrap(); | |
170 | let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap(); | |
171 | ||
172 | if seek_time != NATimePoint::None { | |
173 | let ret = dmx.seek(seek_time); | |
174 | if ret.is_err() { | |
175 | println!(" seek error {:?}", ret.err().unwrap()); | |
176 | } | |
177 | } | |
178 | ||
179 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
180 | let mut sids: Vec<u32> = Vec::new(); | |
181 | let mut writers: Vec<Outputter> = Vec::new(); | |
182 | let dec_opts = [NAOption{name: FRAME_SKIP_OPTION, value: NAValue::String(smode.to_string())}]; | |
183 | for i in 0..dmx.get_num_streams() { | |
184 | let s = dmx.get_stream(i).unwrap(); | |
185 | let info = s.get_info(); | |
186 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
187 | println!("stream {} - {} {}", i, s, info.get_name()); | |
188 | let str_id = s.get_id(); | |
189 | let mut has_out = false; | |
190 | sids.push(str_id); | |
191 | if info.is_video() { | |
192 | if decode_video { | |
193 | if decfunc.is_none() { | |
194 | println!("no video decoder found!"); | |
195 | return; | |
196 | } | |
197 | let mut dec = (decfunc.unwrap())(); | |
198 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
199 | dec.init(&mut dsupp, info).unwrap(); | |
200 | dec.set_options(&dec_opts); | |
201 | decs.push(Some((dsupp, dec))); | |
202 | if !noout { | |
203 | writers.push(Outputter::Video(FrameOutput{prefix: if let Some(ref str) = vpfx { str.clone() } else { "out".to_string() }, streamno: i, frameno: 1, nmode})); | |
204 | has_out = true; | |
205 | } | |
206 | } else { | |
207 | decs.push(None); | |
208 | } | |
209 | } else if info.is_audio() { | |
210 | if decode_audio { | |
211 | if decfunc.is_none() { | |
212 | println!("no audio decoder found!"); | |
213 | return; | |
214 | } | |
215 | let mut dec = (decfunc.unwrap())(); | |
216 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
217 | dec.init(&mut dsupp, info).unwrap(); | |
218 | decs.push(Some((dsupp, dec))); | |
219 | if !noout { | |
220 | let name = if let Some(apfx) = apfx { | |
221 | format!("{}{:02}.wav", apfx, i) | |
222 | } else { | |
223 | format!("out{:02}.wav", i) | |
224 | }; | |
225 | writers.push(Outputter::Audio(AudioOutput::new(&name))); | |
226 | has_out = true; | |
227 | } | |
228 | } else { | |
229 | decs.push(None); | |
230 | } | |
231 | } else { | |
232 | decs.push(None); | |
233 | } | |
234 | if !has_out { | |
235 | writers.push(Outputter::None); | |
236 | } | |
237 | } | |
238 | ||
239 | let mut frmnum = 0; | |
240 | loop { | |
241 | let pktres = dmx.get_frame(); | |
242 | if let Err(e) = pktres { | |
243 | if e == DemuxerError::EOF { break; } | |
244 | } | |
245 | let pkt = pktres.unwrap(); | |
246 | let streamno = pkt.get_stream().get_id(); | |
247 | let sr = sids.iter().position(|x| *x == streamno); | |
248 | let idx = sr.unwrap(); | |
249 | if dump_frames { | |
250 | let name = format!("out{:02}_{:08}.frm", streamno, pkt.get_pts().unwrap_or(frmnum)); | |
251 | let mut ofile = File::create(name).unwrap(); | |
252 | ofile.write(pkt.get_buffer().as_slice()).unwrap(); | |
253 | frmnum += 1; | |
254 | } | |
255 | if let Some((ref mut dsupp, ref mut dec)) = decs[idx] { | |
256 | match dec.decode(dsupp, &pkt) { | |
257 | Ok(frm) => { | |
258 | if !noout { | |
259 | match writers[idx] { | |
260 | Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
261 | Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
262 | _ => {}, | |
263 | }; | |
264 | } | |
265 | }, | |
266 | Err(DecoderError::MissingReference) if seek_time != NATimePoint::None => { | |
267 | println!("ignoring missing ref"); | |
268 | }, | |
269 | Err(reason) => { | |
270 | println!("error decoding frame {:?}", reason); | |
271 | if !ignore_errors { | |
272 | break; | |
273 | } | |
274 | }, | |
275 | }; | |
276 | if pkt.get_pts() != None && lastpts != NATimePoint::None && !pkt.ts.less_than(lastpts) { break; } | |
277 | } | |
278 | } | |
279 | //panic!("end"); | |
280 | } |