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1 | extern crate nihav_core; | |
2 | extern crate nihav_allstuff; | |
3 | ||
4 | use std::io::SeekFrom; | |
5 | use std::fs::File; | |
6 | use std::path::Path; | |
7 | use nihav_core::io::byteio::{FileReader, ByteReader}; | |
8 | use nihav_core::frame::*; | |
9 | use nihav_core::codecs::*; | |
10 | use nihav_core::demuxers::*; | |
11 | use nihav_core::detect; | |
12 | use nihav_allstuff::*; | |
13 | use std::env; | |
14 | ||
15 | mod frmwriter; | |
16 | use crate::frmwriter::*; | |
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: &'static str, | |
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 | let vinfo = frm.get_buffer().get_video_info().unwrap(); | |
44 | if vinfo.get_format().is_paletted() { | |
45 | write_palppm(self.prefix, self.streamno, pts, frm); | |
46 | } else if vinfo.get_format().get_model().is_yuv() { | |
47 | write_pgmyuv(self.prefix, self.streamno, pts, frm); | |
48 | } else if vinfo.get_format().get_model().is_rgb() { | |
49 | write_ppm(self.prefix, self.streamno, pts, frm); | |
50 | } else { | |
51 | panic!(" unknown format"); | |
52 | } | |
53 | } | |
54 | self.frameno += 1; | |
55 | } | |
56 | } | |
57 | ||
58 | struct AudioOutput { | |
59 | wwr: WavWriter<'static>, | |
60 | wrote_header: bool, | |
61 | } | |
62 | ||
63 | impl AudioOutput { | |
64 | fn new(name: &str) -> Self { Self { wwr: WavWriter::new(name), wrote_header: false } } | |
65 | fn output_frame(&mut self, _pkt: &NAPacket, frm: NAFrameRef) { | |
66 | if !self.wrote_header { | |
67 | self.wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap(); | |
68 | self.wrote_header = true; | |
69 | } | |
70 | self.wwr.write_frame(frm.get_buffer()).unwrap(); | |
71 | } | |
72 | } | |
73 | ||
74 | enum Outputter { | |
75 | Video(FrameOutput), | |
76 | Audio(AudioOutput), | |
77 | None, | |
78 | } | |
79 | ||
80 | fn main() { | |
81 | let args: Vec<_> = env::args().collect(); | |
82 | ||
83 | if args.len() == 1 { | |
84 | println!("usage: nihav-tool [-noout] [-vn] [-an] input [lastpts]"); | |
85 | return; | |
86 | } | |
87 | let mut lastpts: Option<u64> = None; | |
88 | let mut cur_arg: usize = 1; | |
89 | let mut noout = false; | |
90 | let mut decode_video = true; | |
91 | let mut decode_audio = true; | |
92 | let mut nmode = NumberMode::FrmPTS; | |
93 | let mut seek_time = 0u64; | |
94 | ||
95 | while (cur_arg < args.len()) && args[cur_arg].starts_with('-') { | |
96 | match args[cur_arg].as_str() { | |
97 | "--" => { break; }, | |
98 | "-noout" => { noout = true; }, | |
99 | "-an" => { decode_audio = false; }, | |
100 | "-vn" => { decode_video = false; }, | |
101 | "-nm=count" => { nmode = NumberMode::Counter; }, | |
102 | "-nm=pktpts" => { nmode = NumberMode::PktPTS; }, | |
103 | "-nm=frmpts" => { nmode = NumberMode::FrmPTS; }, | |
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::<u64>(); | |
111 | if ret.is_err() { | |
112 | println!("wrong seek time"); | |
113 | return; | |
114 | } | |
115 | seek_time = ret.unwrap(); | |
116 | }, | |
117 | _ => { println!("unknown option {}", args[cur_arg]); return; }, | |
118 | } | |
119 | cur_arg += 1; | |
120 | } | |
121 | let name = args[cur_arg].as_str(); | |
122 | cur_arg += 1; | |
123 | if cur_arg < args.len() { | |
124 | lastpts = Some(u64::from_str_radix(args[cur_arg].as_str(), 10).unwrap()); | |
125 | } | |
126 | ||
127 | let path = Path::new(name); | |
128 | let mut file = File::open(path).unwrap(); | |
129 | let dmx_fact; | |
130 | let mut fr = FileReader::new_read(&mut file); | |
131 | let mut br = ByteReader::new(&mut fr); | |
132 | let res = detect::detect_format(name, &mut br); | |
133 | if res.is_none() { | |
134 | println!("cannot detect format for {}", name); | |
135 | return; | |
136 | } | |
137 | let (dmx_name, _) = res.unwrap(); | |
138 | println!("trying demuxer {} on {}", dmx_name, name); | |
139 | ||
140 | let mut dmx_reg = RegisteredDemuxers::new(); | |
141 | nihav_register_all_demuxers(&mut dmx_reg); | |
142 | let mut dec_reg = RegisteredDecoders::new(); | |
143 | nihav_register_all_codecs(&mut dec_reg); | |
144 | ||
145 | dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap(); | |
146 | br.seek(SeekFrom::Start(0)).unwrap(); | |
147 | let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap(); | |
148 | ||
149 | if seek_time > 0 { | |
150 | let ret = dmx.seek(seek_time); | |
151 | if ret.is_err() { | |
152 | println!(" seek error {:?}", ret.err().unwrap()); | |
153 | } | |
154 | } | |
155 | ||
156 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
157 | let mut sids: Vec<u32> = Vec::new(); | |
158 | let mut writers: Vec<Outputter> = Vec::new(); | |
159 | for i in 0..dmx.get_num_streams() { | |
160 | let s = dmx.get_stream(i).unwrap(); | |
161 | let info = s.get_info(); | |
162 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
163 | println!("stream {} - {} {}", i, s, info.get_name()); | |
164 | let str_id = s.get_id(); | |
165 | let mut has_out = false; | |
166 | sids.push(str_id); | |
167 | if info.is_video() { | |
168 | if decode_video { | |
169 | if decfunc.is_none() { | |
170 | println!("no video decoder found!"); | |
171 | return; | |
172 | } | |
173 | let mut dec = (decfunc.unwrap())(); | |
174 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
175 | dec.init(&mut dsupp, info).unwrap(); | |
176 | decs.push(Some((dsupp, dec))); | |
177 | if !noout { | |
178 | writers.push(Outputter::Video(FrameOutput{prefix: "", streamno: i, frameno: 1, nmode})); | |
179 | has_out = true; | |
180 | } | |
181 | } else { | |
182 | decs.push(None); | |
183 | } | |
184 | } else if info.is_audio() { | |
185 | if decode_audio { | |
186 | if decfunc.is_none() { | |
187 | println!("no audio decoder found!"); | |
188 | return; | |
189 | } | |
190 | let mut dec = (decfunc.unwrap())(); | |
191 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
192 | dec.init(&mut dsupp, info).unwrap(); | |
193 | decs.push(Some((dsupp, dec))); | |
194 | if !noout { | |
195 | let name = format!("out{:02}.wav", i); | |
196 | writers.push(Outputter::Audio(AudioOutput::new(&name))); | |
197 | has_out = true; | |
198 | } | |
199 | } else { | |
200 | decs.push(None); | |
201 | } | |
202 | } else { | |
203 | decs.push(None); | |
204 | panic!("decoder {} not found", info.get_name()); | |
205 | } | |
206 | if !has_out { | |
207 | writers.push(Outputter::None); | |
208 | } | |
209 | } | |
210 | ||
211 | loop { | |
212 | let pktres = dmx.get_frame(); | |
213 | if let Err(e) = pktres { | |
214 | if e == DemuxerError::EOF { break; } | |
215 | } | |
216 | let pkt = pktres.unwrap(); | |
217 | let streamno = pkt.get_stream().get_id(); | |
218 | let sr = sids.iter().position(|x| *x == streamno); | |
219 | let idx = sr.unwrap(); | |
220 | if let Some((ref mut dsupp, ref mut dec)) = decs[idx] { | |
221 | let frm = dec.decode(dsupp, &pkt).unwrap(); | |
222 | if !noout { | |
223 | match writers[idx] { | |
224 | Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
225 | Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
226 | _ => {}, | |
227 | }; | |
228 | } | |
229 | } | |
230 | if pkt.get_pts() != None && lastpts.is_some() && pkt.get_pts() >= lastpts { break; } | |
231 | } | |
232 | //panic!("end"); | |
233 | } |