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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: 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; | |
91 | ||
92 | while (cur_arg < args.len()) && args[cur_arg].starts_with('-') { | |
93 | match args[cur_arg].as_str() { | |
94 | "--" => { break; }, | |
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; }, | |
101 | "-seek" => { | |
102 | cur_arg += 1; | |
103 | if cur_arg == args.len() { | |
104 | println!("seek time missing"); | |
105 | return; | |
106 | } | |
107 | let ret = args[cur_arg].parse::<u64>(); | |
108 | if ret.is_err() { | |
109 | println!("wrong seek time"); | |
110 | return; | |
111 | } | |
112 | seek_time = ret.unwrap(); | |
113 | }, | |
114 | "-apfx" => { | |
115 | cur_arg += 1; | |
116 | if cur_arg == args.len() { | |
117 | println!("name missing"); | |
118 | return; | |
119 | } | |
120 | apfx = Some(&args[cur_arg]); | |
121 | }, | |
122 | "-vpfx" => { | |
123 | cur_arg += 1; | |
124 | if cur_arg == args.len() { | |
125 | println!("name missing"); | |
126 | return; | |
127 | } | |
128 | vpfx = Some(args[cur_arg].clone()); | |
129 | }, | |
130 | "-ignerr" => { ignore_errors = true; }, | |
131 | "-dumpfrm" => { dump_frames = true; }, | |
132 | _ => { println!("unknown option {}", args[cur_arg]); return; }, | |
133 | } | |
134 | cur_arg += 1; | |
135 | } | |
136 | let name = args[cur_arg].as_str(); | |
137 | cur_arg += 1; | |
138 | if cur_arg < args.len() { | |
139 | lastpts = Some(u64::from_str_radix(args[cur_arg].as_str(), 10).unwrap()); | |
140 | } | |
141 | ||
142 | let path = Path::new(name); | |
143 | let mut file = File::open(path).unwrap(); | |
144 | let dmx_fact; | |
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); | |
148 | if res.is_none() { | |
149 | println!("cannot detect format for {}", name); | |
150 | return; | |
151 | } | |
152 | let (dmx_name, _) = res.unwrap(); | |
153 | println!("trying demuxer {} on {}", dmx_name, name); | |
154 | ||
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); | |
159 | ||
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(); | |
163 | ||
164 | if seek_time > 0 { | |
165 | let ret = dmx.seek(seek_time); | |
166 | if ret.is_err() { | |
167 | println!(" seek error {:?}", ret.err().unwrap()); | |
168 | } | |
169 | } | |
170 | ||
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; | |
181 | sids.push(str_id); | |
182 | if info.is_video() { | |
183 | if decode_video { | |
184 | if decfunc.is_none() { | |
185 | println!("no video decoder found!"); | |
186 | return; | |
187 | } | |
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))); | |
192 | if !noout { | |
193 | writers.push(Outputter::Video(FrameOutput{prefix: if let Some(ref str) = vpfx { str.clone() } else { "out".to_string() }, streamno: i, frameno: 1, nmode})); | |
194 | has_out = true; | |
195 | } | |
196 | } else { | |
197 | decs.push(None); | |
198 | } | |
199 | } else if info.is_audio() { | |
200 | if decode_audio { | |
201 | if decfunc.is_none() { | |
202 | println!("no audio decoder found!"); | |
203 | return; | |
204 | } | |
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))); | |
209 | if !noout { | |
210 | let name = if let Some(apfx) = apfx { | |
211 | format!("{}{:02}.wav", apfx, i) | |
212 | } else { | |
213 | format!("out{:02}.wav", i) | |
214 | }; | |
215 | writers.push(Outputter::Audio(AudioOutput::new(&name))); | |
216 | has_out = true; | |
217 | } | |
218 | } else { | |
219 | decs.push(None); | |
220 | } | |
221 | } else { | |
222 | decs.push(None); | |
223 | panic!("decoder {} not found", info.get_name()); | |
224 | } | |
225 | if !has_out { | |
226 | writers.push(Outputter::None); | |
227 | } | |
228 | } | |
229 | ||
230 | let mut frmnum = 0; | |
231 | loop { | |
232 | let pktres = dmx.get_frame(); | |
233 | if let Err(e) = pktres { | |
234 | if e == DemuxerError::EOF { break; } | |
235 | } | |
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(); | |
240 | if dump_frames { | |
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(); | |
244 | frmnum += 1; | |
245 | } | |
246 | if let Some((ref mut dsupp, ref mut dec)) = decs[idx] { | |
247 | match dec.decode(dsupp, &pkt) { | |
248 | Ok(frm) => { | |
249 | if !noout { | |
250 | match writers[idx] { | |
251 | Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
252 | Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
253 | _ => {}, | |
254 | }; | |
255 | } | |
256 | }, | |
257 | Err(DecoderError::MissingReference) if seek_time > 0 => { | |
258 | println!("ignoring missing ref"); | |
259 | }, | |
260 | Err(reason) => { | |
261 | println!("error decoding frame {:?}", reason); | |
262 | if !ignore_errors { | |
263 | break; | |
264 | } | |
265 | }, | |
266 | }; | |
267 | if pkt.get_pts() != None && lastpts.is_some() && pkt.get_pts() >= lastpts { break; } | |
268 | } | |
269 | } | |
270 | //panic!("end"); | |
271 | } |