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6dc69f51 KS |
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::fs::File; | |
7 | use nihav_core::io::byteio::{FileReader, ByteReader}; | |
8 | use nihav_core::frame::*; | |
9 | use nihav_core::options::*; | |
10 | use nihav_core::codecs::*; | |
11 | use nihav_core::demuxers::*; | |
12 | use nihav_core::muxers::*; | |
13 | use nihav_core::scale::*; | |
14 | use nihav_core::soundcvt::*; | |
15 | use nihav_registry::detect; | |
16 | use nihav_allstuff::*; | |
17 | use std::env; | |
18 | ||
19 | fn print_options(name: &str, options: &[NAOptionDefinition]) { | |
20 | if options.is_empty() { | |
21 | println!("No custom options."); | |
22 | } else { | |
23 | println!("Options for '{}'", name); | |
24 | for opt in options.iter() { | |
25 | println!(" {}", opt); | |
26 | } | |
27 | } | |
28 | } | |
29 | ||
30 | struct OptionArgs { | |
31 | name: String, | |
32 | value: Option<String>, | |
33 | } | |
34 | ||
35 | struct InputStreamOptions { | |
36 | id: u32, | |
37 | drop: bool, | |
38 | dec_opts: Vec<OptionArgs>, | |
39 | } | |
40 | ||
41 | struct OutputStreamOptions { | |
42 | id: u32, | |
43 | enc_params: EncodeParameters, | |
44 | enc_name: String, | |
45 | enc_opts: Vec<OptionArgs>, | |
46 | } | |
47 | ||
48 | enum OutputConvert { | |
49 | Video(NAScale, NABufferType), | |
50 | Audio(NAAudioInfo, NAChannelMap), | |
51 | None, | |
52 | } | |
53 | ||
54 | enum OutputMode { | |
55 | Drop, | |
56 | Copy(u32), | |
57 | Encode(u32, Box<dyn NAEncoder>, OutputConvert), | |
58 | } | |
59 | ||
60 | #[derive(Default)] | |
61 | struct Transcoder { | |
62 | input_name: String, | |
63 | input_fmt: Option<String>, | |
64 | output_name: String, | |
65 | output_fmt: Option<String>, | |
66 | demux_opts: Vec<OptionArgs>, | |
67 | mux_opts: Vec<OptionArgs>, | |
68 | istr_opts: Vec<InputStreamOptions>, | |
69 | ostr_opts: Vec<OutputStreamOptions>, | |
70 | decoders: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>>, | |
71 | encoders: Vec<OutputMode>, | |
72 | no_video: bool, | |
73 | no_audio: bool, | |
74 | } | |
75 | ||
76 | macro_rules! parse_and_apply_options { | |
77 | ($obj: expr, $in_opts: expr, $name: expr) => { | |
78 | let mut opts = Vec::with_capacity($in_opts.len()); | |
79 | let opt_def = $obj.get_supported_options(); | |
80 | for opt in $in_opts.iter() { | |
81 | let mut found = false; | |
82 | for opt_def in opt_def.iter() { | |
83 | if opt.name == opt_def.name { | |
84 | let arg = if let Some(ref str) = opt.value { Some(str) } else { None }; | |
85 | let ret = opt_def.parse(&opt.name, arg); | |
86 | if ret.is_err() { | |
87 | println!("invalid option {} for {}", opt.name, $name); | |
88 | } else { | |
89 | let (val, _) = ret.unwrap(); | |
90 | opts.push(val); | |
91 | } | |
92 | found = true; | |
93 | } | |
94 | } | |
95 | if !found { | |
96 | println!(" ignoring option '{}' for {}", opt.name, $name); | |
97 | } | |
98 | } | |
99 | $obj.set_options(opts.as_slice()); | |
100 | } | |
101 | } | |
102 | ||
103 | impl Transcoder { | |
104 | fn new() -> Self { Self::default() } | |
105 | fn parse_istream_options(&mut self, opt0: &str, opt1: &str) -> bool { | |
106 | let (_, strno) = opt0.split_at(9); | |
107 | let ret = strno.parse::<u32>(); | |
108 | if ret.is_err() { return false; } | |
109 | let streamno = ret.unwrap(); | |
110 | ||
111 | let sidx = if let Some(idx) = self.istr_opts.iter().position(|str| str.id == streamno) { | |
112 | idx | |
113 | } else { | |
114 | self.istr_opts.push(InputStreamOptions {id: streamno, drop: false, dec_opts: Vec::new() }); | |
115 | self.istr_opts.len() - 1 | |
116 | }; | |
117 | let istr = &mut self.istr_opts[sidx]; | |
118 | ||
119 | for opt in opt1.split(',') { | |
120 | let oval: Vec<_> = opt.split('=').collect(); | |
121 | if oval.len() == 1 { | |
122 | match oval[0] { | |
123 | "drop" => { istr.drop = true; }, | |
124 | _ => { | |
125 | istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: None }); | |
126 | }, | |
127 | }; | |
128 | } else if oval.len() == 2 { | |
129 | istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) }); | |
130 | } else { | |
131 | println!("unrecognized option '{}'", opt); | |
132 | } | |
133 | } | |
134 | true | |
135 | } | |
136 | fn parse_ostream_options(&mut self, opt0: &str, opt1: &str, enc_reg: &RegisteredEncoders) -> bool { | |
137 | let (_, strno) = opt0.split_at(9); | |
138 | let ret = strno.parse::<u32>(); | |
139 | if ret.is_err() { return false; } | |
140 | let streamno = ret.unwrap(); | |
141 | ||
142 | let sidx = if let Some(idx) = self.ostr_opts.iter().position(|str| str.id == streamno) { | |
143 | idx | |
144 | } else { | |
145 | self.ostr_opts.push(OutputStreamOptions {id: streamno, enc_name: String::new(), enc_params: EncodeParameters::default(), enc_opts: Vec::new() }); | |
146 | self.ostr_opts.len() - 1 | |
147 | }; | |
148 | let ostr = &mut self.ostr_opts[sidx]; | |
149 | ||
150 | for opt in opt1.split(',') { | |
151 | let oval: Vec<_> = opt.split('=').collect(); | |
152 | if oval.len() == 1 { | |
153 | match oval[0] { | |
154 | "flip" => { | |
155 | if ostr.enc_params.format == NACodecTypeInfo::None { | |
156 | ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT)); | |
157 | } | |
158 | if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format { | |
159 | vinfo.flipped = true; | |
160 | } else { | |
161 | println!("video option for audio stream"); | |
162 | } | |
163 | }, | |
164 | "noflip" => { | |
165 | if ostr.enc_params.format == NACodecTypeInfo::None { | |
166 | ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT)); | |
167 | } | |
168 | if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format { | |
169 | vinfo.flipped = false; | |
170 | } else { | |
171 | println!("video option for audio stream"); | |
172 | } | |
173 | }, | |
174 | _ => { | |
175 | ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: None }); | |
176 | }, | |
177 | }; | |
178 | } else if oval.len() == 2 { | |
179 | //todo parse encoder options, store, init later | |
180 | match oval[0] { | |
181 | "encoder" => { | |
182 | if enc_reg.find_encoder(oval[1]).is_some() { | |
183 | ostr.enc_name = oval[1].to_string(); | |
184 | } else { | |
185 | println!("unknown encoder '{}'", oval[1]); | |
186 | } | |
187 | }, | |
188 | "width" => { | |
189 | if ostr.enc_params.format == NACodecTypeInfo::None { | |
190 | ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT)); | |
191 | } | |
192 | if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format { | |
193 | let ret = oval[1].parse::<usize>(); | |
194 | if let Ok(val) = ret { | |
195 | vinfo.width = val; | |
196 | } else { | |
197 | println!("invalid width"); | |
198 | } | |
199 | } else { | |
200 | println!("video option for audio stream"); | |
201 | } | |
202 | }, | |
203 | "height" => { | |
204 | if ostr.enc_params.format == NACodecTypeInfo::None { | |
205 | ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT)); | |
206 | } | |
207 | if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format { | |
208 | let ret = oval[1].parse::<usize>(); | |
209 | if let Ok(val) = ret { | |
210 | vinfo.height = val; | |
211 | } else { | |
212 | println!("invalid height"); | |
213 | } | |
214 | } else { | |
215 | println!("video option for audio stream"); | |
216 | } | |
217 | }, | |
218 | //todo formaton | |
219 | "srate" => { | |
220 | if ostr.enc_params.format == NACodecTypeInfo::None { | |
221 | ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0)); | |
222 | } | |
223 | if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format { | |
224 | let ret = oval[1].parse::<u32>(); | |
225 | if let Ok(val) = ret { | |
226 | ainfo.sample_rate = val; | |
227 | } else { | |
228 | println!("invalid sampling rate"); | |
229 | } | |
230 | } else { | |
231 | println!("audio option for video stream"); | |
232 | } | |
233 | }, | |
234 | "channels" => { | |
235 | if ostr.enc_params.format == NACodecTypeInfo::None { | |
236 | ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0)); | |
237 | } | |
238 | if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format { | |
239 | let ret = oval[1].parse::<u8>(); | |
240 | if let Ok(val) = ret { | |
241 | ainfo.channels = val; | |
242 | } else { | |
243 | println!("invalid number of channels"); | |
244 | } | |
245 | } else { | |
246 | println!("audio option for video stream"); | |
247 | } | |
248 | }, | |
249 | "block_len" => { | |
250 | if ostr.enc_params.format == NACodecTypeInfo::None { | |
251 | ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0)); | |
252 | } | |
253 | if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format { | |
254 | let ret = oval[1].parse::<usize>(); | |
255 | if let Ok(val) = ret { | |
256 | ainfo.block_len = val; | |
257 | } else { | |
258 | println!("invalid block_length"); | |
259 | } | |
260 | } else { | |
261 | println!("audio option for video stream"); | |
262 | } | |
263 | }, | |
264 | //todo soniton, channel map | |
265 | "bitrate" => { | |
266 | let ret = oval[1].parse::<u32>(); | |
267 | if let Ok(val) = ret { | |
268 | ostr.enc_params.bitrate = val; | |
269 | } else { | |
270 | println!("invalid bitrate value"); | |
271 | } | |
272 | }, | |
273 | "quality" => { | |
274 | let ret = oval[1].parse::<u8>(); | |
275 | if let Ok(val) = ret { | |
276 | ostr.enc_params.quality = val; | |
277 | } else { | |
278 | println!("invalid quality value"); | |
279 | } | |
280 | }, | |
281 | _ => { | |
282 | ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) }); | |
283 | }, | |
284 | } | |
285 | } else { | |
286 | println!("unrecognized option '{}'", opt); | |
287 | } | |
288 | } | |
289 | true | |
290 | } | |
291 | fn parse_demuxer_options(&mut self, opts: &str, dmx_reg: &RegisteredDemuxers) -> bool { | |
292 | for opt in opts.split(',') { | |
293 | let oval: Vec<_> = opt.split('=').collect(); | |
294 | if oval.len() == 1 { | |
295 | self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None }); | |
296 | } else if oval.len() == 2 { | |
297 | if oval[0] == "format" { | |
298 | if dmx_reg.find_demuxer(oval[1]).is_some() { | |
299 | self.input_fmt = Some(oval[1].to_string()); | |
300 | } else { | |
301 | println!("unknown demuxer format '{}'", oval[1]); | |
302 | } | |
303 | } else { | |
304 | self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) }); | |
305 | } | |
306 | } else { | |
307 | println!("unrecognized option '{}'", opt); | |
308 | } | |
309 | } | |
310 | true | |
311 | } | |
312 | fn parse_muxer_options(&mut self, opts: &str, mux_reg: &RegisteredMuxers) -> bool { | |
313 | for opt in opts.split(',') { | |
314 | let oval: Vec<_> = opt.split('=').collect(); | |
315 | if oval.len() == 1 { | |
316 | self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None }); | |
317 | } else if oval.len() == 2 { | |
318 | if oval[0] == "format" { | |
319 | if mux_reg.find_muxer(oval[1]).is_some() { | |
320 | self.output_fmt = Some(oval[1].to_string()); | |
321 | } else { | |
322 | println!("unknown muxer format '{}'", oval[1]); | |
323 | } | |
324 | } else { | |
325 | self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) }); | |
326 | } | |
327 | } else { | |
328 | println!("unrecognized option '{}'", opt); | |
329 | } | |
330 | } | |
331 | true | |
332 | } | |
333 | fn apply_decoder_options(&self, dec: &mut NADecoder, str_id: u32) { | |
334 | if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == str_id) { | |
335 | let dec_opts = dec.get_supported_options(); | |
336 | if dec_opts.is_empty() { return; } | |
337 | let name = format!("input stream {}", str_id); | |
338 | parse_and_apply_options!(dec, &self.istr_opts[str_idx].dec_opts, name); | |
339 | } | |
340 | } | |
341 | fn register_output_stream(&mut self, cname: &str, istr: NAStreamRef, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool { | |
342 | let out_id = out_sm.get_num_streams() as u32; | |
343 | if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == (istr.get_num() as u32)) { | |
344 | if self.istr_opts[str_idx].drop { | |
345 | self.encoders.push(OutputMode::Drop); | |
346 | return true; | |
347 | } | |
348 | } | |
349 | ||
350 | if let Some(str_idx) = self.ostr_opts.iter().position(|str| str.id == out_id) { | |
351 | let oopts = &mut self.ostr_opts[str_idx]; | |
352 | if cname == "copy" && istr.get_info().get_name() == cname { | |
353 | self.encoders.push(OutputMode::Copy(out_id)); | |
354 | } else if cname == "any" || oopts.enc_name.as_str() == cname { | |
355 | let enc_create = enc_reg.find_encoder(oopts.enc_name.as_str()); | |
356 | if enc_create.is_none() { | |
357 | println!("encoder '{}' not found", oopts.enc_name.as_str()); | |
358 | return false; | |
359 | } | |
360 | let mut encoder = (enc_create.unwrap())(); | |
361 | if oopts.enc_params.format == NACodecTypeInfo::None { | |
362 | oopts.enc_params.format = istr.get_info().get_properties(); | |
363 | } | |
364 | if oopts.enc_params.tb_num == 0 { | |
365 | oopts.enc_params.tb_num = istr.tb_num; | |
366 | oopts.enc_params.tb_den = istr.tb_den; | |
367 | } | |
368 | let ret_eparams = encoder.negotiate_format(&oopts.enc_params); | |
369 | if ret_eparams.is_err() { | |
370 | println!("cannot negotiate encoding parameters"); | |
371 | return false; | |
372 | } | |
373 | let ret_eparams = ret_eparams.unwrap(); | |
374 | ||
375 | //todo check for params mismatch | |
376 | let cvt = match (&oopts.enc_params.format, &ret_eparams.format) { | |
377 | (NACodecTypeInfo::Video(svinfo), NACodecTypeInfo::Video(dvinfo)) => { | |
378 | if svinfo == dvinfo { | |
379 | OutputConvert::None | |
380 | } else { | |
381 | let ofmt = ScaleInfo { fmt: dvinfo.format, width: dvinfo.width, height: dvinfo.height }; | |
382 | let ret = NAScale::new(ofmt, ofmt); | |
383 | if ret.is_err() { | |
384 | println!("cannot create scaler"); | |
385 | return false; | |
386 | } | |
387 | let scaler = ret.unwrap(); | |
388 | let ret = alloc_video_buffer(*dvinfo, 4); | |
389 | if ret.is_err() { | |
390 | println!("cannot create scaler buffer"); | |
391 | return false; | |
392 | } | |
393 | let cvt_buf = ret.unwrap(); | |
394 | OutputConvert::Video(scaler, cvt_buf) | |
395 | } | |
396 | }, | |
397 | (NACodecTypeInfo::Audio(sainfo), NACodecTypeInfo::Audio(dainfo)) => { | |
398 | if sainfo == dainfo { | |
399 | OutputConvert::None | |
400 | } else { | |
401 | let dchmap = match dainfo.channels { | |
402 | 1 => NAChannelMap::from_ms_mapping(0x4), | |
403 | 2 => NAChannelMap::from_ms_mapping(0x3), | |
404 | _ => { | |
405 | println!("can't generate default channel map for {} channels", dainfo.channels); | |
406 | return false; | |
407 | }, | |
408 | }; | |
409 | //todo channelmap | |
410 | OutputConvert::Audio(*dainfo, dchmap) | |
411 | } | |
412 | }, | |
413 | _ => OutputConvert::None, | |
414 | }; | |
415 | let ret = encoder.init(out_id, ret_eparams); | |
416 | if ret.is_err() { | |
417 | println!("error initialising encoder"); | |
418 | return false; | |
419 | } | |
420 | out_sm.add_stream_ref(ret.unwrap()); | |
421 | ||
422 | let name = format!("output stream {}", out_id); | |
423 | parse_and_apply_options!(encoder, &oopts.enc_opts, name); | |
424 | ||
425 | self.encoders.push(OutputMode::Encode(out_id, encoder, cvt)); | |
426 | } else { | |
427 | println!("encoder {} is not supported by output (expected {})", istr.id, istr.get_info().get_name()); | |
428 | return false; | |
429 | } | |
430 | } else { | |
431 | if cname == "any" || istr.get_info().get_name() == cname { | |
432 | self.encoders.push(OutputMode::Copy(out_id)); | |
433 | } else { | |
434 | println!("stream {} ({}) can't be handled", istr.id, istr.get_info().get_name()); | |
435 | // todo autoselect encoder? | |
436 | return false; | |
437 | } | |
438 | } | |
439 | true | |
440 | } | |
441 | fn map_single(&mut self, cname: &str, ctype: StreamType, src_sm: &StreamManager, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool { | |
442 | let mut found_stream = false; | |
443 | for istr in src_sm.iter() { | |
444 | if istr.get_media_type() != ctype || found_stream { | |
445 | self.encoders.push(OutputMode::Drop); | |
446 | } else { | |
447 | if !self.register_output_stream(cname, istr, out_sm, enc_reg) { | |
448 | return false; | |
449 | } | |
450 | found_stream = true; | |
451 | } | |
452 | } | |
453 | found_stream | |
454 | } | |
455 | fn negotiate_stream_map(&mut self, src_sm: &StreamManager, mux_caps: MuxerCapabilities, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool { | |
456 | match mux_caps { | |
457 | MuxerCapabilities::SingleVideo(cname) => { | |
458 | if self.no_video { return false; } | |
459 | self.map_single(cname, StreamType::Video, src_sm, out_sm, enc_reg) | |
460 | }, | |
461 | MuxerCapabilities::SingleAudio(cname) => { | |
462 | if self.no_audio { return false; } | |
463 | self.map_single(cname, StreamType::Audio, src_sm, out_sm, enc_reg) | |
464 | }, | |
465 | MuxerCapabilities::SingleVideoAndAudio(vname, aname) => { | |
466 | let mut found_vid = false; | |
467 | let mut found_aud = false; | |
468 | for istr in src_sm.iter() { | |
469 | if istr.get_media_type() == StreamType::Video && !found_vid && !self.no_video { | |
470 | if !self.register_output_stream(vname, istr, out_sm, enc_reg) { | |
471 | return false; | |
472 | } | |
473 | found_vid = true; | |
474 | } else if istr.get_media_type() == StreamType::Audio && !found_aud && !self.no_audio { | |
475 | if !self.register_output_stream(aname, istr, out_sm, enc_reg) { | |
476 | return false; | |
477 | } | |
478 | found_aud = true; | |
479 | } else { | |
480 | self.encoders.push(OutputMode::Drop); | |
481 | } | |
482 | } | |
483 | found_vid | found_aud | |
484 | }, | |
485 | MuxerCapabilities::OnlyVideo => { | |
486 | if self.no_video { return false; } | |
487 | ||
488 | let mut found_vid = false; | |
489 | for istr in src_sm.iter() { | |
490 | if istr.get_media_type() == StreamType::Video && !found_vid { | |
491 | if !self.register_output_stream("any", istr, out_sm, enc_reg) { | |
492 | return false; | |
493 | } | |
494 | found_vid = true; | |
495 | } else { | |
496 | self.encoders.push(OutputMode::Drop); | |
497 | } | |
498 | } | |
499 | found_vid | |
500 | }, | |
501 | MuxerCapabilities::OnlyAudio => { | |
502 | if self.no_audio { return false; } | |
503 | ||
504 | let mut found_aud = false; | |
505 | for istr in src_sm.iter() { | |
506 | if istr.get_media_type() == StreamType::Audio && !found_aud { | |
507 | if !self.register_output_stream("any", istr, out_sm, enc_reg) { | |
508 | return false; | |
509 | } | |
510 | found_aud = true; | |
511 | } else { | |
512 | self.encoders.push(OutputMode::Drop); | |
513 | } | |
514 | } | |
515 | found_aud | |
516 | }, | |
517 | MuxerCapabilities::Universal => { | |
518 | for istr in src_sm.iter() { | |
519 | if (istr.get_media_type() == StreamType::Video && self.no_video) || | |
520 | (istr.get_media_type() == StreamType::Audio && self.no_audio) { | |
521 | self.encoders.push(OutputMode::Drop); | |
522 | continue; | |
523 | } | |
524 | if !self.register_output_stream("any", istr, out_sm, enc_reg) { | |
525 | return false; | |
526 | } | |
527 | } | |
528 | true | |
529 | }, | |
530 | } | |
531 | } | |
532 | } | |
533 | ||
534 | macro_rules! next_arg { | |
535 | ($args: expr, $arg_idx: expr) => { | |
536 | if $arg_idx + 1 >= $args.len() { | |
537 | println!("codec name is required"); | |
538 | } | |
539 | $arg_idx += 1; | |
540 | } | |
541 | } | |
542 | ||
543 | fn main() { | |
544 | let args: Vec<_> = env::args().collect(); | |
545 | ||
546 | if args.len() == 1 { | |
547 | println!("usage: nihav-encoder [-noout] [-vn] [-an] input [lastpts]"); | |
548 | return; | |
549 | } | |
550 | ||
551 | let mut dmx_reg = RegisteredDemuxers::new(); | |
552 | nihav_register_all_demuxers(&mut dmx_reg); | |
553 | let mut dec_reg = RegisteredDecoders::new(); | |
554 | nihav_register_all_codecs(&mut dec_reg); | |
555 | ||
556 | let mut mux_reg = RegisteredMuxers::new(); | |
557 | nihav_register_all_muxers(&mut mux_reg); | |
558 | let mut enc_reg = RegisteredEncoders::new(); | |
559 | nihav_register_all_encoders(&mut enc_reg); | |
560 | ||
561 | let mut transcoder = Transcoder::new(); | |
562 | ||
563 | let mut arg_idx = 1; | |
564 | while arg_idx < args.len() { | |
565 | match args[arg_idx].as_str() { | |
566 | "--query-decoder-options" => { | |
567 | next_arg!(args, arg_idx); | |
568 | let cname = args[arg_idx].as_str(); | |
569 | if let Some(decfunc) = dec_reg.find_decoder(cname) { | |
570 | let dec = (decfunc)(); | |
571 | let opts = dec.get_supported_options(); | |
572 | print_options(cname, opts); | |
573 | } else { | |
574 | println!("codec {} is not found", cname); | |
575 | } | |
576 | }, | |
577 | "--query-demuxer-options" => { | |
578 | next_arg!(args, arg_idx); | |
579 | let dname = args[arg_idx].as_str(); | |
580 | let mut mr = MemoryReader::new_read(&[]); | |
581 | let mut br = ByteReader::new(&mut mr); | |
582 | if let Some(dmx_creator) = dmx_reg.find_demuxer(dname) { | |
583 | let dmx = dmx_creator.new_demuxer(&mut br); | |
584 | let opts = dmx.get_supported_options(); | |
585 | print_options(dname, opts); | |
586 | } else { | |
587 | println!("demuxer {} is not found", dname); | |
588 | } | |
589 | }, | |
590 | "--query-encoder-options" => { | |
591 | next_arg!(args, arg_idx); | |
592 | let cname = args[arg_idx].as_str(); | |
593 | if let Some(encfunc) = enc_reg.find_encoder(cname) { | |
594 | let enc = (encfunc)(); | |
595 | let opts = enc.get_supported_options(); | |
596 | print_options(cname, opts); | |
597 | } else { | |
598 | println!("codec {} is not found", cname); | |
599 | } | |
600 | }, | |
601 | "--query-muxer-options" => { | |
602 | next_arg!(args, arg_idx); | |
603 | let name = args[arg_idx].as_str(); | |
604 | let mut data = []; | |
605 | let mut mw = MemoryWriter::new_write(&mut data); | |
606 | let mut bw = ByteWriter::new(&mut mw); | |
607 | if let Some(mux_creator) = mux_reg.find_muxer(name) { | |
608 | let mux = mux_creator.new_muxer(&mut bw); | |
609 | let opts = mux.get_supported_options(); | |
610 | print_options(name, opts); | |
611 | } else { | |
612 | println!("muxer {} is not found", name); | |
613 | } | |
614 | }, | |
615 | "--input" => { | |
616 | next_arg!(args, arg_idx); | |
617 | transcoder.input_name = args[arg_idx].clone(); | |
618 | }, | |
619 | "--input-format" => { | |
620 | next_arg!(args, arg_idx); | |
621 | transcoder.input_fmt = Some(args[arg_idx].clone()); | |
622 | }, | |
623 | "--output" => { | |
624 | next_arg!(args, arg_idx); | |
625 | transcoder.output_name = args[arg_idx].clone(); | |
626 | }, | |
627 | "--output-format" => { | |
628 | next_arg!(args, arg_idx); | |
629 | transcoder.output_fmt = Some(args[arg_idx].clone()); | |
630 | }, | |
631 | "--demuxer-options" => { | |
632 | next_arg!(args, arg_idx); | |
633 | if !transcoder.parse_demuxer_options(&args[arg_idx], &dmx_reg) { | |
634 | println!("invalid demuxer option syntax"); | |
635 | return; | |
636 | } | |
637 | }, | |
638 | "--no-video" => { | |
639 | transcoder.no_video = true; | |
640 | }, | |
641 | "--no-audio" => { | |
642 | transcoder.no_audio = true; | |
643 | }, | |
644 | "--muxer-options" => { | |
645 | next_arg!(args, arg_idx); | |
646 | if !transcoder.parse_muxer_options(&args[arg_idx], &mux_reg) { | |
647 | println!("invalid muxer option syntax"); | |
648 | return; | |
649 | } | |
650 | }, | |
651 | _ => { | |
652 | if args[arg_idx].starts_with("--istream") { | |
653 | let opt0 = &args[arg_idx]; | |
654 | next_arg!(args, arg_idx); | |
655 | if !transcoder.parse_istream_options(opt0, &args[arg_idx]) { | |
656 | println!("invalid input stream option syntax"); | |
657 | return; | |
658 | } | |
659 | } else if args[arg_idx].starts_with("--ostream") { | |
660 | let opt0 = &args[arg_idx]; | |
661 | next_arg!(args, arg_idx); | |
662 | if !transcoder.parse_ostream_options(opt0, &args[arg_idx], &enc_reg) { | |
663 | println!("invalid output stream option syntax"); | |
664 | return; | |
665 | } | |
666 | } else if args[arg_idx].starts_with("--") { | |
667 | println!("unknown option"); | |
668 | } else { | |
669 | println!("unrecognized argument"); | |
670 | } | |
671 | }, | |
672 | }; | |
673 | arg_idx += 1; | |
674 | } | |
675 | ||
676 | if transcoder.input_name.len() == 0 { | |
677 | println!("no input name provided"); | |
678 | return; | |
679 | } | |
680 | if transcoder.output_name.len() == 0 { | |
681 | println!("no output name provided"); | |
682 | return; | |
683 | } | |
684 | ||
685 | let res = File::open(transcoder.input_name.as_str()); | |
686 | if res.is_err() { | |
687 | println!("error opening input"); | |
688 | return; | |
689 | } | |
690 | let mut file = res.unwrap(); | |
691 | let mut fr = FileReader::new_read(&mut file); | |
692 | let mut br = ByteReader::new(&mut fr); | |
693 | ||
694 | let dmx_name = if let Some(ref str) = transcoder.input_fmt { | |
695 | str.as_str() | |
696 | } else { | |
697 | if let Some((dmx_name, score)) = detect::detect_format(transcoder.input_name.as_str(), &mut br) { | |
698 | println!("detected {} with score {:?}", dmx_name, score); | |
699 | dmx_name | |
700 | } else { | |
701 | println!("cannot detect input format"); | |
702 | return; | |
703 | } | |
704 | }; | |
705 | let ret = dmx_reg.find_demuxer(dmx_name); | |
706 | if ret.is_none() { | |
707 | println!("cannot find demuxer for '{}'", dmx_name); | |
708 | return; | |
709 | } | |
710 | let dmx_fact = ret.unwrap(); | |
711 | br.seek(SeekFrom::Start(0)).unwrap(); | |
712 | let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap(); | |
713 | parse_and_apply_options!(dmx, &transcoder.demux_opts, "input"); | |
714 | for i in 0..dmx.get_num_streams() { | |
715 | let s = dmx.get_stream(i).unwrap(); | |
716 | let info = s.get_info(); | |
717 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
718 | println!("stream {} - {} {}", i, s, info.get_name()); | |
719 | let str_id = s.get_num() as u32; | |
720 | if let Some(create_dec) = decfunc { | |
721 | let mut dec = (create_dec)(); | |
722 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
723 | let ret = dec.init(&mut dsupp, info.clone()); | |
724 | if ret.is_err() { | |
725 | println!("Error initialising decoder '{}' for stream {}", info.get_name(), str_id); | |
726 | return; | |
727 | } | |
728 | transcoder.apply_decoder_options(dec.as_mut(), str_id); | |
729 | transcoder.decoders.push(Some((dsupp, dec))); | |
730 | } else { | |
731 | println!("No decoder for stream {} ({}) is found", str_id, info.get_name()); | |
732 | transcoder.decoders.push(None); | |
733 | } | |
734 | } | |
735 | ||
736 | let output_fmt = if let Some(ref str) = transcoder.output_fmt { | |
737 | str | |
738 | } else { | |
739 | if let Some(str) = detect::detect_format_by_name(transcoder.output_name.as_str()) { | |
740 | str | |
741 | } else { | |
742 | println!("Cannot guess muxer for output"); | |
743 | return; | |
744 | } | |
745 | }; | |
746 | let ret = mux_reg.find_muxer(output_fmt); | |
747 | let ofmt = output_fmt.to_string(); | |
748 | ||
749 | if ret.is_none() { | |
750 | println!("cannot find muxer '{}'", output_fmt); | |
751 | } | |
752 | let mux_creator = ret.unwrap(); | |
753 | ||
754 | let mux_caps = mux_creator.get_capabilities(); | |
755 | let mut out_sm = StreamManager::new(); | |
756 | if !transcoder.negotiate_stream_map(dmx.get_stream_manager(), mux_caps, &mut out_sm, &enc_reg) { | |
757 | println!("cannot determine stream map"); | |
758 | return; | |
759 | } | |
760 | ||
761 | let ret = File::create(transcoder.output_name.as_str()); | |
762 | if ret.is_err() { | |
763 | println!("cannot open output file"); | |
764 | return; | |
765 | } | |
766 | let mut fw = FileWriter::new_write(ret.unwrap()); | |
767 | let mut bw = ByteWriter::new(&mut fw); | |
768 | let ret = create_muxer(mux_creator, out_sm, &mut bw); | |
769 | if let Err(err) = ret { | |
770 | println!("cannot create muxer instance {:?}", err); | |
771 | return; | |
772 | } | |
773 | let mut mux = ret.unwrap(); | |
774 | parse_and_apply_options!(mux, &transcoder.mux_opts, "output"); | |
775 | ||
776 | println!("Output {} muxer {}", transcoder.output_name, ofmt); | |
777 | for ostr in mux.get_streams() { | |
778 | println!(" #{}: {} {}", ostr.get_num(), ostr, ostr.get_info().get_name()); | |
779 | } | |
780 | ||
781 | loop { | |
782 | let pktres = dmx.get_frame(); | |
783 | if let Err(DemuxerError::EOF) = pktres { break; } | |
784 | if pktres.is_err() { | |
785 | println!("demuxing error"); | |
786 | break; | |
787 | } | |
788 | let mut pkt = pktres.unwrap(); | |
789 | let src_id = pkt.get_stream().get_num(); | |
790 | match transcoder.encoders[src_id] { | |
791 | OutputMode::Drop => {}, | |
792 | OutputMode::Copy(dst_id) => { | |
793 | let dstr = mux.get_stream(dst_id as usize).unwrap(); | |
794 | pkt.reassign(dstr, pkt.get_time_information()); | |
795 | if mux.mux_frame(pkt).is_err() { | |
796 | println!("error muxing packet"); | |
797 | break; | |
798 | } | |
799 | }, | |
800 | OutputMode::Encode(dst_id, ref mut encoder, ref mut cvt) => { | |
801 | if let Some((ref mut dsupp, ref mut decoder)) = transcoder.decoders[src_id] { | |
802 | let ret = decoder.decode(dsupp, &pkt); | |
803 | if ret.is_err() { | |
804 | println!("error decoding stream {}", src_id); | |
805 | break; | |
806 | } | |
807 | let frm = ret.unwrap(); | |
808 | let buf = frm.get_buffer(); | |
809 | let cbuf = match cvt { | |
810 | OutputConvert::None => buf, | |
811 | OutputConvert::Video(ref mut scaler, ref mut dbuf) => { | |
812 | let cur_ifmt = get_scale_fmt_from_pic(&buf); | |
813 | let last_ifmt = scaler.get_in_fmt(); | |
814 | if cur_ifmt != last_ifmt { | |
815 | let ofmt = scaler.get_out_fmt(); | |
816 | let ret = NAScale::new(cur_ifmt, ofmt); | |
817 | if ret.is_err() { | |
818 | println!("error re-initialising scaler for {} -> {}", cur_ifmt, ofmt); | |
819 | break; | |
820 | } | |
821 | *scaler = ret.unwrap(); | |
822 | } | |
823 | let ret = scaler.convert(&buf, dbuf); | |
824 | if ret.is_err() { | |
825 | println!("error converting frame for encoding"); | |
826 | break; | |
827 | } | |
828 | dbuf.clone() | |
829 | }, | |
830 | OutputConvert::Audio(ref dinfo, ref dchmap) => { | |
831 | let ret = convert_audio_frame(&buf, dinfo, dchmap); | |
832 | if ret.is_err() { | |
833 | println!("error converting audio for stream {}", dst_id); | |
834 | break; | |
835 | } | |
836 | ret.unwrap() | |
837 | }, | |
838 | }; | |
839 | let cfrm = NAFrame::new(frm.get_time_information(), frm.frame_type, frm.key, frm.get_info(), cbuf); | |
840 | encoder.encode(&cfrm).unwrap(); | |
841 | while let Ok(Some(pkt)) = encoder.get_packet() { | |
842 | mux.mux_frame(pkt).unwrap(); | |
843 | } | |
844 | } else { | |
845 | println!("no decoder for stream {}", src_id); | |
846 | break; | |
847 | } | |
848 | }, | |
849 | }; | |
850 | } | |
851 | 'flush_loop: for enc in transcoder.encoders.iter_mut() { | |
852 | match enc { | |
853 | OutputMode::Encode(str_id, ref mut encoder, _) => { | |
854 | let ret = encoder.flush(); | |
855 | if ret.is_err() { | |
856 | println!("error flushing encoder for stream {}", str_id); | |
857 | break; | |
858 | } else { | |
859 | while let Ok(Some(pkt)) = encoder.get_packet() { | |
860 | if mux.mux_frame(pkt).is_err() { | |
861 | println!("error muxing packet"); | |
862 | break 'flush_loop; | |
863 | } | |
864 | } | |
865 | } | |
866 | }, | |
867 | _ => {}, | |
868 | }; | |
869 | } | |
870 | ||
871 | let ret = mux.end(); | |
872 | if ret.is_err() { | |
873 | println!("error at finalising muxing"); | |
874 | } | |
875 | } |