| 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_codecs(&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 | } |