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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::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::reorder::*;
14 use nihav_core::scale::*;
15 use nihav_core::soundcvt::*;
16 use nihav_registry::detect;
17 use nihav_registry::register;
18 use nihav_allstuff::*;
19 use std::env;
20
21 mod null;
22 use crate::null::*;
23
24 fn print_options(name: &str, options: &[NAOptionDefinition]) {
25 if options.is_empty() {
26 println!("No custom options.");
27 } else {
28 println!("Options for '{}'", name);
29 for opt in options.iter() {
30 println!(" {}", opt);
31 }
32 }
33 }
34
35 struct OptionArgs {
36 name: String,
37 value: Option<String>,
38 }
39
40 struct InputStreamOptions {
41 id: u32,
42 drop: bool,
43 dec_opts: Vec<OptionArgs>,
44 }
45
46 struct OutputStreamOptions {
47 id: u32,
48 enc_params: EncodeParameters,
49 enc_name: String,
50 enc_opts: Vec<OptionArgs>,
51 }
52
53 enum OutputConvert {
54 Video(NAScale, NABufferType),
55 Audio(NAAudioInfo, NAChannelMap),
56 None,
57 }
58
59 #[allow(clippy::large_enum_variant)]
60 enum OutputMode {
61 Drop,
62 Copy(u32),
63 Encode(u32, Box<dyn NAEncoder>, OutputConvert),
64 }
65
66 #[derive(Default)]
67 #[allow(clippy::type_complexity)]
68 struct Transcoder {
69 input_name: String,
70 input_fmt: Option<String>,
71 output_name: String,
72 output_fmt: Option<String>,
73 demux_opts: Vec<OptionArgs>,
74 mux_opts: Vec<OptionArgs>,
75 istr_opts: Vec<InputStreamOptions>,
76 ostr_opts: Vec<OutputStreamOptions>,
77 decoders: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>, Box<dyn FrameReorderer>)>>,
78 encoders: Vec<OutputMode>,
79 no_video: bool,
80 no_audio: bool,
81 start: NATimePoint,
82 end: NATimePoint,
83 }
84
85 macro_rules! parse_and_apply_options {
86 ($obj: expr, $in_opts: expr, $name: expr) => {
87 let mut opts = Vec::with_capacity($in_opts.len());
88 let opt_def = $obj.get_supported_options();
89 for opt in $in_opts.iter() {
90 let mut found = false;
91 for opt_def in opt_def.iter() {
92 if opt.name == opt_def.name {
93 let arg = if let Some(ref str) = opt.value { Some(str) } else { None };
94 let ret = opt_def.parse(&opt.name, arg);
95 if let Ok((val, _)) = ret {
96 opts.push(val);
97 } else {
98 println!("invalid option {} for {}", opt.name, $name);
99 }
100 found = true;
101 }
102 }
103 if !found {
104 println!(" ignoring option '{}' for {}", opt.name, $name);
105 }
106 }
107 $obj.set_options(opts.as_slice());
108 }
109 }
110
111 impl Transcoder {
112 fn new() -> Self { Self::default() }
113 fn parse_istream_options(&mut self, opt0: &str, opt1: &str) -> bool {
114 let (_, strno) = opt0.split_at(9);
115 let ret = strno.parse::<u32>();
116 if ret.is_err() { return false; }
117 let streamno = ret.unwrap();
118
119 let sidx = if let Some(idx) = self.istr_opts.iter().position(|str| str.id == streamno) {
120 idx
121 } else {
122 self.istr_opts.push(InputStreamOptions {id: streamno, drop: false, dec_opts: Vec::new() });
123 self.istr_opts.len() - 1
124 };
125 let istr = &mut self.istr_opts[sidx];
126
127 for opt in opt1.split(',') {
128 let oval: Vec<_> = opt.split('=').collect();
129 if oval.len() == 1 {
130 match oval[0] {
131 "drop" => { istr.drop = true; },
132 _ => {
133 istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
134 },
135 };
136 } else if oval.len() == 2 {
137 istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
138 } else {
139 println!("unrecognized option '{}'", opt);
140 }
141 }
142 true
143 }
144 fn parse_ostream_options(&mut self, opt0: &str, opt1: &str, enc_reg: &RegisteredEncoders) -> bool {
145 let (_, strno) = opt0.split_at(9);
146 let ret = strno.parse::<u32>();
147 if ret.is_err() { return false; }
148 let streamno = ret.unwrap();
149
150 let sidx = if let Some(idx) = self.ostr_opts.iter().position(|str| str.id == streamno) {
151 idx
152 } else {
153 self.ostr_opts.push(OutputStreamOptions {id: streamno, enc_name: String::new(), enc_params: EncodeParameters::default(), enc_opts: Vec::new() });
154 self.ostr_opts.len() - 1
155 };
156 let ostr = &mut self.ostr_opts[sidx];
157
158 for opt in opt1.split(',') {
159 let oval: Vec<_> = opt.split('=').collect();
160 if oval.len() == 1 {
161 match oval[0] {
162 "flip" => {
163 if ostr.enc_params.format == NACodecTypeInfo::None {
164 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
165 }
166 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
167 vinfo.flipped = true;
168 } else {
169 println!("video option for audio stream");
170 }
171 },
172 "noflip" => {
173 if ostr.enc_params.format == NACodecTypeInfo::None {
174 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
175 }
176 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
177 vinfo.flipped = false;
178 } else {
179 println!("video option for audio stream");
180 }
181 },
182 _ => {
183 ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
184 },
185 };
186 } else if oval.len() == 2 {
187 //todo parse encoder options, store, init later
188 match oval[0] {
189 "timebase" => {
190 let mut parts = oval[1].split('/');
191 let num = parts.next().unwrap();
192 let den = parts.next();
193 if let Some(den) = den {
194 let rnum = num.parse::<u32>();
195 let rden = den.parse::<u32>();
196 if let (Ok(num), Ok(den)) = (rnum, rden) {
197 ostr.enc_params.tb_num = num;
198 ostr.enc_params.tb_den = den;
199 } else {
200 println!("invalid timebase value");
201 }
202 } else {
203 println!("invalid timebase format (should be num/den)");
204 }
205 },
206 "encoder" => {
207 if enc_reg.find_encoder(oval[1]).is_some() {
208 ostr.enc_name = oval[1].to_string();
209 } else {
210 println!("unknown encoder '{}'", oval[1]);
211 ostr.enc_name = oval[1].to_string();
212 }
213 },
214 "width" => {
215 if ostr.enc_params.format == NACodecTypeInfo::None {
216 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
217 }
218 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
219 let ret = oval[1].parse::<usize>();
220 if let Ok(val) = ret {
221 vinfo.width = val;
222 } else {
223 println!("invalid width");
224 }
225 } else {
226 println!("video option for audio stream");
227 }
228 },
229 "height" => {
230 if ostr.enc_params.format == NACodecTypeInfo::None {
231 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
232 }
233 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
234 let ret = oval[1].parse::<usize>();
235 if let Ok(val) = ret {
236 vinfo.height = val;
237 } else {
238 println!("invalid height");
239 }
240 } else {
241 println!("video option for audio stream");
242 }
243 },
244 "pixfmt" => {
245 if ostr.enc_params.format == NACodecTypeInfo::None {
246 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
247 }
248 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
249 let ret = oval[1].parse::<NAPixelFormaton>();
250 if let Ok(val) = ret {
251 vinfo.format = val;
252 } else {
253 println!("invalid pixel format");
254 }
255 } else {
256 println!("video option for audio stream");
257 }
258 },
259 "srate" => {
260 if ostr.enc_params.format == NACodecTypeInfo::None {
261 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
262 }
263 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
264 let ret = oval[1].parse::<u32>();
265 if let Ok(val) = ret {
266 ainfo.sample_rate = val;
267 } else {
268 println!("invalid sampling rate");
269 }
270 } else {
271 println!("audio option for video stream");
272 }
273 },
274 "channels" => {
275 if ostr.enc_params.format == NACodecTypeInfo::None {
276 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
277 }
278 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
279 let ret = oval[1].parse::<u8>();
280 if let Ok(val) = ret {
281 ainfo.channels = val;
282 } else {
283 println!("invalid number of channels");
284 }
285 } else {
286 println!("audio option for video stream");
287 }
288 },
289 "block_len" => {
290 if ostr.enc_params.format == NACodecTypeInfo::None {
291 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
292 }
293 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
294 let ret = oval[1].parse::<usize>();
295 if let Ok(val) = ret {
296 ainfo.block_len = val;
297 } else {
298 println!("invalid block_length");
299 }
300 } else {
301 println!("audio option for video stream");
302 }
303 },
304 "sfmt" => {
305 if ostr.enc_params.format == NACodecTypeInfo::None {
306 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
307 }
308 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
309 let ret = oval[1].parse::<NASoniton>();
310 if let Ok(val) = ret {
311 ainfo.format = val;
312 } else {
313 println!("invalid audio format");
314 }
315 } else {
316 println!("audio option for video stream");
317 }
318 },
319 // todo channel map negotiation
320 /*"chmap" => {
321 if ostr.enc_params.format == NACodecTypeInfo::None {
322 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
323 }
324 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
325 let ret = oval[1].parse::<NAChannelMap>();
326 if let Ok(val) = ret {
327 ainfo.chmap = val;
328 } else {
329 println!("invalid channel map");
330 }
331 } else {
332 println!("audio option for video stream");
333 }
334 },*/
335 "bitrate" => {
336 let ret = oval[1].parse::<u32>();
337 if let Ok(val) = ret {
338 ostr.enc_params.bitrate = val;
339 } else {
340 println!("invalid bitrate value");
341 }
342 },
343 "quality" => {
344 let ret = oval[1].parse::<u8>();
345 if let Ok(val) = ret {
346 ostr.enc_params.quality = val;
347 } else {
348 println!("invalid quality value");
349 }
350 },
351 _ => {
352 ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
353 },
354 }
355 } else {
356 println!("unrecognized option '{}'", opt);
357 }
358 }
359 true
360 }
361 fn parse_demuxer_options(&mut self, opts: &str, dmx_reg: &RegisteredDemuxers) -> bool {
362 for opt in opts.split(',') {
363 let oval: Vec<_> = opt.split('=').collect();
364 if oval.len() == 1 {
365 self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
366 } else if oval.len() == 2 {
367 if oval[0] == "format" {
368 if dmx_reg.find_demuxer(oval[1]).is_some() {
369 self.input_fmt = Some(oval[1].to_string());
370 } else {
371 println!("unknown demuxer format '{}'", oval[1]);
372 }
373 } else {
374 self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
375 }
376 } else {
377 println!("unrecognized option '{}'", opt);
378 }
379 }
380 true
381 }
382 fn parse_muxer_options(&mut self, opts: &str, mux_reg: &RegisteredMuxers) -> bool {
383 for opt in opts.split(',') {
384 let oval: Vec<_> = opt.split('=').collect();
385 if oval.len() == 1 {
386 self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
387 } else if oval.len() == 2 {
388 if oval[0] == "format" {
389 if mux_reg.find_muxer(oval[1]).is_some() {
390 self.output_fmt = Some(oval[1].to_string());
391 } else {
392 println!("unknown muxer format '{}'", oval[1]);
393 }
394 } else {
395 self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
396 }
397 } else {
398 println!("unrecognized option '{}'", opt);
399 }
400 }
401 true
402 }
403 fn apply_decoder_options(&self, dec: &mut dyn NADecoder, str_id: u32) {
404 if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == str_id) {
405 let dec_opts = dec.get_supported_options();
406 if dec_opts.is_empty() { return; }
407 let name = format!("input stream {}", str_id);
408 parse_and_apply_options!(dec, &self.istr_opts[str_idx].dec_opts, name);
409 }
410 }
411 fn register_output_stream(&mut self, cname: &str, istr: NAStreamRef, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
412 let out_id = out_sm.get_num_streams() as u32;
413 if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == (istr.get_num() as u32)) {
414 if self.istr_opts[str_idx].drop {
415 self.encoders.push(OutputMode::Drop);
416 return true;
417 }
418 }
419
420 if let Some(str_idx) = self.ostr_opts.iter().position(|str| str.id == out_id) {
421 let oopts = &mut self.ostr_opts[str_idx];
422 if oopts.enc_name.as_str() == "copy" && (cname == "any" || istr.get_info().get_name() == cname) {
423 out_sm.add_stream_ref(istr);
424 self.encoders.push(OutputMode::Copy(out_id));
425 } else if cname == "any" || oopts.enc_name.as_str() == cname {
426 let enc_create = enc_reg.find_encoder(oopts.enc_name.as_str());
427 if enc_create.is_none() {
428 println!("encoder '{}' not found", oopts.enc_name.as_str());
429 return false;
430 }
431 let mut encoder = (enc_create.unwrap())();
432 let forced_out = oopts.enc_params.format != NACodecTypeInfo::None;
433 if oopts.enc_params.format == NACodecTypeInfo::None {
434 oopts.enc_params.format = istr.get_info().get_properties();
435 }
436 if oopts.enc_params.tb_num == 0 {
437 oopts.enc_params.tb_num = istr.tb_num;
438 oopts.enc_params.tb_den = istr.tb_den;
439 }
440 let ret_eparams = encoder.negotiate_format(&oopts.enc_params);
441 if ret_eparams.is_err() {
442 println!("cannot negotiate encoding parameters");
443 return false;
444 }
445 let ret_eparams = ret_eparams.unwrap();
446
447 //todo check for params mismatch
448 let cvt = match (&oopts.enc_params.format, &ret_eparams.format) {
449 (NACodecTypeInfo::Video(svinfo), NACodecTypeInfo::Video(dvinfo)) => {
450 if svinfo == dvinfo && !forced_out {
451 OutputConvert::None
452 } else {
453 let ofmt = ScaleInfo { fmt: dvinfo.format, width: dvinfo.width, height: dvinfo.height };
454 let ret = NAScale::new(ofmt, ofmt);
455 if ret.is_err() {
456 println!("cannot create scaler");
457 return false;
458 }
459 let scaler = ret.unwrap();
460 let ret = alloc_video_buffer(*dvinfo, 4);
461 if ret.is_err() {
462 println!("cannot create scaler buffer");
463 return false;
464 }
465 let cvt_buf = ret.unwrap();
466 OutputConvert::Video(scaler, cvt_buf)
467 }
468 },
469 (NACodecTypeInfo::Audio(sainfo), NACodecTypeInfo::Audio(dainfo)) => {
470 if sainfo == dainfo {
471 OutputConvert::None
472 } else {
473 let dchmap = match dainfo.channels {
474 1 => NAChannelMap::from_ms_mapping(0x4),
475 2 => NAChannelMap::from_ms_mapping(0x3),
476 _ => {
477 println!("can't generate default channel map for {} channels", dainfo.channels);
478 return false;
479 },
480 };
481 //todo channelmap
482 OutputConvert::Audio(*dainfo, dchmap)
483 }
484 },
485 _ => OutputConvert::None,
486 };
487 let ret = encoder.init(out_id, ret_eparams);
488 if ret.is_err() {
489 println!("error initialising encoder");
490 return false;
491 }
492 out_sm.add_stream_ref(ret.unwrap());
493
494 let name = format!("output stream {}", out_id);
495 parse_and_apply_options!(encoder, &oopts.enc_opts, name);
496
497 self.encoders.push(OutputMode::Encode(out_id, encoder, cvt));
498 } else {
499 println!("encoder {} is not supported by output (expected {})", istr.id, istr.get_info().get_name());
500 return false;
501 }
502 } else if cname == "any" || istr.get_info().get_name() == cname {
503 out_sm.add_stream_ref(istr);
504 self.encoders.push(OutputMode::Copy(out_id));
505 } else {
506 println!("stream {} ({}) can't be handled", istr.id, istr.get_info().get_name());
507 // todo autoselect encoder?
508 return false;
509 }
510 true
511 }
512 fn map_single(&mut self, cname: &str, ctype: StreamType, src_sm: &StreamManager, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
513 let mut found_stream = false;
514 for istr in src_sm.iter() {
515 if istr.get_media_type() != ctype || found_stream {
516 self.encoders.push(OutputMode::Drop);
517 } else {
518 if !self.register_output_stream(cname, istr, out_sm, enc_reg) {
519 return false;
520 }
521 found_stream = true;
522 }
523 }
524 found_stream
525 }
526 fn negotiate_stream_map(&mut self, src_sm: &StreamManager, mux_caps: MuxerCapabilities, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
527 match mux_caps {
528 MuxerCapabilities::SingleVideo(cname) => {
529 if self.no_video { return false; }
530 self.map_single(cname, StreamType::Video, src_sm, out_sm, enc_reg)
531 },
532 MuxerCapabilities::SingleAudio(cname) => {
533 if self.no_audio { return false; }
534 self.map_single(cname, StreamType::Audio, src_sm, out_sm, enc_reg)
535 },
536 MuxerCapabilities::SingleVideoAndAudio(vname, aname) => {
537 let mut found_vid = false;
538 let mut found_aud = false;
539 for istr in src_sm.iter() {
540 if istr.get_media_type() == StreamType::Video && !found_vid && !self.no_video {
541 if !self.register_output_stream(vname, istr, out_sm, enc_reg) {
542 return false;
543 }
544 found_vid = true;
545 } else if istr.get_media_type() == StreamType::Audio && !found_aud && !self.no_audio {
546 if !self.register_output_stream(aname, istr, out_sm, enc_reg) {
547 return false;
548 }
549 found_aud = true;
550 } else {
551 self.encoders.push(OutputMode::Drop);
552 }
553 }
554 found_vid | found_aud
555 },
556 MuxerCapabilities::OnlyVideo => {
557 if self.no_video { return false; }
558
559 let mut found_vid = false;
560 for istr in src_sm.iter() {
561 if istr.get_media_type() == StreamType::Video && !found_vid {
562 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
563 return false;
564 }
565 found_vid = true;
566 } else {
567 self.encoders.push(OutputMode::Drop);
568 }
569 }
570 found_vid
571 },
572 MuxerCapabilities::OnlyAudio => {
573 if self.no_audio { return false; }
574
575 let mut found_aud = false;
576 for istr in src_sm.iter() {
577 if istr.get_media_type() == StreamType::Audio && !found_aud {
578 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
579 return false;
580 }
581 found_aud = true;
582 } else {
583 self.encoders.push(OutputMode::Drop);
584 }
585 }
586 found_aud
587 },
588 MuxerCapabilities::Universal => {
589 for istr in src_sm.iter() {
590 if (istr.get_media_type() == StreamType::Video && self.no_video) ||
591 (istr.get_media_type() == StreamType::Audio && self.no_audio) {
592 self.encoders.push(OutputMode::Drop);
593 continue;
594 }
595 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
596 return false;
597 }
598 }
599 true
600 },
601 }
602 }
603 }
604
605 fn encode_frame(dst_id: u32, encoder: &mut Box<dyn NAEncoder>, cvt: &mut OutputConvert, frm: NAFrameRef) -> bool {
606 let buf = frm.get_buffer();
607 let cbuf = match cvt {
608 OutputConvert::None => buf,
609 OutputConvert::Video(ref mut scaler, ref mut dbuf) => {
610 let cur_ifmt = get_scale_fmt_from_pic(&buf);
611 let last_ifmt = scaler.get_in_fmt();
612 if cur_ifmt != last_ifmt {
613 let ofmt = scaler.get_out_fmt();
614 let ret = NAScale::new(cur_ifmt, ofmt);
615 if ret.is_err() {
616 println!("error re-initialising scaler for {} -> {}", cur_ifmt, ofmt);
617 return false;
618 }
619 *scaler = ret.unwrap();
620 }
621 let ret = scaler.convert(&buf, dbuf);
622 if ret.is_err() {
623 println!("error converting frame for encoding");
624 return false;
625 }
626 dbuf.clone()
627 },
628 OutputConvert::Audio(ref dinfo, ref dchmap) => {
629 let ret = convert_audio_frame(&buf, dinfo, dchmap);
630 if ret.is_err() {
631 println!("error converting audio for stream {}", dst_id);
632 return false;
633 }
634 ret.unwrap()
635 },
636 };
637 let cfrm = NAFrame::new(frm.get_time_information(), frm.frame_type, frm.key, frm.get_info(), cbuf);
638 encoder.encode(&cfrm).unwrap();
639 true
640 }
641
642 macro_rules! next_arg {
643 ($args: expr, $arg_idx: expr) => {
644 if $arg_idx + 1 >= $args.len() {
645 println!("codec name is required");
646 }
647 $arg_idx += 1;
648 }
649 }
650
651 #[allow(clippy::single_match)]
652 fn main() {
653 let args: Vec<_> = env::args().collect();
654
655 if args.len() == 1 {
656 println!("usage: nihav-encoder [options] --input inputfile --output outputfile");
657 println!(" use nihav-encoder --help to list all available options");
658 return;
659 }
660 if args.len() == 2 && (args[1] == "--help" || args[1] == "-h") {
661 println!("usage: nihav-encoder [options] --input inputfile --output outputfile");
662 println!(" query options:");
663 println!(" --list-{{decoders,encoders,demuxers,muxers}} - lists all available decoders/encoders/demuxers/muxers");
664 println!(" --query-{{decoder,encoder,demuxer,muxer}}-options name - lists all options recognized by that decoder/encoder/demuxer/muxer");
665 println!(" processing options:");
666 println!(" --input inputfile - set input file");
667 println!(" --input-format fmt - force input format");
668 println!(" --demuxer-options options - set input demuxer options");
669 println!(" --output outputfile - set output file");
670 println!(" --output-format fmt - force output format");
671 println!(" --muxer-options options - set output muxer options");
672 println!(" --no-audio - do not decode audio streams");
673 println!(" --no-video - do not decode video streams");
674 println!(" --start starttime - start decoding from given position");
675 println!(" --end endtime - end decoding at given position");
676 println!(" --istreamX options - set options for input stream X");
677 println!(" --ostreamX options - set options for output stream X");
678 println!();
679 println!(" (de)muxer and stream options are passed as comma-separated list e.g. --ostream0 width=320,height=240,flip");
680 return;
681 }
682
683 let mut dmx_reg = RegisteredDemuxers::new();
684 nihav_register_all_demuxers(&mut dmx_reg);
685 let mut dec_reg = RegisteredDecoders::new();
686 nihav_register_all_decoders(&mut dec_reg);
687
688 let mut mux_reg = RegisteredMuxers::new();
689 nihav_register_all_muxers(&mut mux_reg);
690 mux_reg.add_muxer(NULL_MUXER);
691 let mut enc_reg = RegisteredEncoders::new();
692 nihav_register_all_encoders(&mut enc_reg);
693 enc_reg.add_encoder(NULL_ENCODER);
694
695 let mut transcoder = Transcoder::new();
696
697 let mut arg_idx = 1;
698 let mut printed_info = false;
699 while arg_idx < args.len() {
700 match args[arg_idx].as_str() {
701 "--list-decoders" => {
702 if dec_reg.iter().len() > 0 {
703 println!("Registered decoders:");
704 for dec in dec_reg.iter() {
705 let cdesc = register::get_codec_description(dec.name);
706 let full_name = if let Some(cd) = cdesc { cd.get_full_name() } else { "???" };
707 println!(" {} ({})", dec.name, full_name);
708 }
709 } else {
710 println!("No registered decoders.");
711 }
712 printed_info = true;
713 },
714 "--list-encoders" => {
715 if enc_reg.iter().len() > 0 {
716 println!("Registered encoders:");
717 for enc in enc_reg.iter() {
718 let cdesc = register::get_codec_description(enc.name);
719 let full_name = if let Some(cd) = cdesc { cd.get_full_name() } else { "???" };
720 println!(" {} ({})", enc.name, full_name);
721 }
722 } else {
723 println!("No registered encoders.");
724 }
725 printed_info = true;
726 },
727 "--list-demuxers" => {
728 print!("Registered demuxers:");
729 for dmx in dmx_reg.iter() {
730 print!(" {}", dmx.get_name());
731 }
732 println!();
733 printed_info = true;
734 },
735 "--list-muxers" => {
736 print!("Registered muxers:");
737 for mux in mux_reg.iter() {
738 print!(" {}", mux.get_name());
739 }
740 println!();
741 printed_info = true;
742 },
743 "--query-decoder-options" => {
744 next_arg!(args, arg_idx);
745 let cname = args[arg_idx].as_str();
746 if let Some(decfunc) = dec_reg.find_decoder(cname) {
747 let dec = (decfunc)();
748 let opts = dec.get_supported_options();
749 print_options(cname, opts);
750 } else {
751 println!("codec {} is not found", cname);
752 }
753 printed_info = true;
754 },
755 "--query-demuxer-options" => {
756 next_arg!(args, arg_idx);
757 let dname = args[arg_idx].as_str();
758 let mut mr = MemoryReader::new_read(&[]);
759 let mut br = ByteReader::new(&mut mr);
760 if let Some(dmx_creator) = dmx_reg.find_demuxer(dname) {
761 let dmx = dmx_creator.new_demuxer(&mut br);
762 let opts = dmx.get_supported_options();
763 print_options(dname, opts);
764 } else {
765 println!("demuxer {} is not found", dname);
766 }
767 printed_info = true;
768 },
769 "--query-encoder-options" => {
770 next_arg!(args, arg_idx);
771 let cname = args[arg_idx].as_str();
772 if let Some(encfunc) = enc_reg.find_encoder(cname) {
773 let enc = (encfunc)();
774 let opts = enc.get_supported_options();
775 print_options(cname, opts);
776 } else {
777 println!("codec {} is not found", cname);
778 }
779 printed_info = true;
780 },
781 "--query-muxer-options" => {
782 next_arg!(args, arg_idx);
783 let name = args[arg_idx].as_str();
784 let mut data = [];
785 let mut mw = MemoryWriter::new_write(&mut data);
786 let mut bw = ByteWriter::new(&mut mw);
787 if let Some(mux_creator) = mux_reg.find_muxer(name) {
788 let mux = mux_creator.new_muxer(&mut bw);
789 let opts = mux.get_supported_options();
790 print_options(name, opts);
791 } else {
792 println!("muxer {} is not found", name);
793 }
794 printed_info = true;
795 },
796 "--input" | "-i" => {
797 next_arg!(args, arg_idx);
798 transcoder.input_name = args[arg_idx].clone();
799 },
800 "--input-format" => {
801 next_arg!(args, arg_idx);
802 transcoder.input_fmt = Some(args[arg_idx].clone());
803 },
804 "--output" | "-o" => {
805 next_arg!(args, arg_idx);
806 transcoder.output_name = args[arg_idx].clone();
807 },
808 "--output-format" => {
809 next_arg!(args, arg_idx);
810 transcoder.output_fmt = Some(args[arg_idx].clone());
811 },
812 "--demuxer-options" => {
813 next_arg!(args, arg_idx);
814 if !transcoder.parse_demuxer_options(&args[arg_idx], &dmx_reg) {
815 println!("invalid demuxer option syntax");
816 return;
817 }
818 },
819 "--no-video" | "-vn" => {
820 transcoder.no_video = true;
821 },
822 "--no-audio" | "-an" => {
823 transcoder.no_audio = true;
824 },
825 "--start" => {
826 next_arg!(args, arg_idx);
827 let ret = args[arg_idx].parse::<NATimePoint>();
828 if let Ok(val) = ret {
829 transcoder.start = val;
830 } else {
831 println!("invalid start time");
832 return;
833 }
834 },
835 "--end" => {
836 next_arg!(args, arg_idx);
837 let ret = args[arg_idx].parse::<NATimePoint>();
838 if let Ok(val) = ret {
839 transcoder.end = val;
840 } else {
841 println!("invalid end time");
842 return;
843 }
844 },
845 "--muxer-options" => {
846 next_arg!(args, arg_idx);
847 if !transcoder.parse_muxer_options(&args[arg_idx], &mux_reg) {
848 println!("invalid muxer option syntax");
849 return;
850 }
851 },
852 _ => {
853 if args[arg_idx].starts_with("--istream") {
854 let opt0 = &args[arg_idx];
855 next_arg!(args, arg_idx);
856 if !transcoder.parse_istream_options(opt0, &args[arg_idx]) {
857 println!("invalid input stream option syntax");
858 return;
859 }
860 } else if args[arg_idx].starts_with("--ostream") {
861 let opt0 = &args[arg_idx];
862 next_arg!(args, arg_idx);
863 if !transcoder.parse_ostream_options(opt0, &args[arg_idx], &enc_reg) {
864 println!("invalid output stream option syntax");
865 return;
866 }
867 } else if args[arg_idx].starts_with("--") {
868 println!("unknown option");
869 } else {
870 println!("unrecognized argument");
871 }
872 },
873 };
874 arg_idx += 1;
875 }
876
877 if printed_info {
878 return;
879 }
880
881 if transcoder.input_name.is_empty() {
882 println!("no input name provided");
883 return;
884 }
885 if transcoder.output_name.is_empty() {
886 println!("no output name provided");
887 return;
888 }
889
890 let res = File::open(transcoder.input_name.as_str());
891 if res.is_err() {
892 println!("error opening input");
893 return;
894 }
895 let mut file = res.unwrap();
896 let mut fr = FileReader::new_read(&mut file);
897 let mut br = ByteReader::new(&mut fr);
898
899 let dmx_name = if let Some(ref str) = transcoder.input_fmt {
900 str.as_str()
901 } else if let Some((dmx_name, score)) = detect::detect_format(transcoder.input_name.as_str(), &mut br) {
902 println!("detected {} with score {:?}", dmx_name, score);
903 dmx_name
904 } else {
905 println!("cannot detect input format");
906 return;
907 };
908 let ret = dmx_reg.find_demuxer(dmx_name);
909 if ret.is_none() {
910 println!("cannot find demuxer for '{}'", dmx_name);
911 return;
912 }
913 let dmx_fact = ret.unwrap();
914 br.seek(SeekFrom::Start(0)).unwrap();
915 let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
916 parse_and_apply_options!(dmx, &transcoder.demux_opts, "input");
917 for i in 0..dmx.get_num_streams() {
918 let s = dmx.get_stream(i).unwrap();
919 let info = s.get_info();
920 let decfunc = dec_reg.find_decoder(info.get_name());
921 println!("stream {} - {} {}", i, s, info.get_name());
922 let str_id = s.get_num() as u32;
923 if let Some(create_dec) = decfunc {
924 let mut dec = (create_dec)();
925 let mut dsupp = Box::new(NADecoderSupport::new());
926 let ret = dec.init(&mut dsupp, info.clone());
927 if ret.is_err() {
928 println!("Error initialising decoder '{}' for stream {}", info.get_name(), str_id);
929 return;
930 }
931 transcoder.apply_decoder_options(dec.as_mut(), str_id);
932 let desc = register::get_codec_description(info.get_name());
933 let has_b = if let Some(desc) = desc {
934 desc.has_reorder()
935 } else {
936 println!("No codec description found, using B-frame reorderer.");
937 true
938 };
939 let reord: Box<dyn FrameReorderer> = if has_b { Box::new(IPBReorderer::new()) } else { Box::new(NoReorderer::new()) };
940 transcoder.decoders.push(Some((dsupp, dec, reord)));
941 } else {
942 println!("No decoder for stream {} ({}) is found", str_id, info.get_name());
943 transcoder.decoders.push(None);
944 }
945 }
946 if transcoder.start != NATimePoint::None {
947 let ret = dmx.seek(transcoder.start);
948 if ret.is_err() {
949 println!(" failed to seek to {} error {:?}", transcoder.start, ret.err().unwrap());
950 }
951 }
952
953 let output_fmt = if let Some(ref str) = transcoder.output_fmt {
954 str
955 } else if let Some(str) = detect::detect_format_by_name(transcoder.output_name.as_str()) {
956 str
957 } else {
958 println!("Cannot guess muxer for output");
959 return;
960 };
961 let ret = mux_reg.find_muxer(output_fmt);
962 let ofmt = output_fmt.to_string();
963
964 if ret.is_none() {
965 println!("cannot find muxer '{}'", output_fmt);
966 }
967 let mux_creator = ret.unwrap();
968
969 let mux_caps = mux_creator.get_capabilities();
970 let mut out_sm = StreamManager::new();
971 if !transcoder.negotiate_stream_map(dmx.get_stream_manager(), mux_caps, &mut out_sm, &enc_reg) {
972 println!("cannot determine stream map");
973 return;
974 }
975
976 let ret = File::create(transcoder.output_name.as_str());
977 if ret.is_err() {
978 println!("cannot open output file");
979 return;
980 }
981 let mut fw = FileWriter::new_write(ret.unwrap());
982 let mut bw = ByteWriter::new(&mut fw);
983 let ret = create_muxer(mux_creator, out_sm, &mut bw);
984 if let Err(err) = ret {
985 println!("cannot create muxer instance {:?}", err);
986 return;
987 }
988 let mut mux = ret.unwrap();
989 parse_and_apply_options!(mux, &transcoder.mux_opts, "output");
990
991 println!("Output {} muxer {}", transcoder.output_name, ofmt);
992 for ostr in mux.get_streams() {
993 println!(" #{}: {} {}", ostr.get_num(), ostr, ostr.get_info().get_name());
994 }
995
996 'main_loop: loop {
997 let pktres = dmx.get_frame();
998 if let Err(DemuxerError::EOF) = pktres { break; }
999 if pktres.is_err() {
1000 println!("demuxing error");
1001 break;
1002 }
1003 let mut pkt = pktres.unwrap();
1004 if transcoder.start != NATimePoint::None && pkt.ts.less_than(transcoder.start) { continue; }
1005 let src_id = pkt.get_stream().get_num();
1006 match transcoder.encoders[src_id] {
1007 OutputMode::Drop => {},
1008 OutputMode::Copy(dst_id) => {
1009 let dstr = mux.get_stream(dst_id as usize).unwrap();
1010 pkt.reassign(dstr, pkt.get_time_information());
1011 if transcoder.end != NATimePoint::None && !pkt.ts.less_than(transcoder.end) { break 'main_loop; }
1012 if mux.mux_frame(pkt).is_err() {
1013 println!("error muxing packet");
1014 break;
1015 }
1016 },
1017 OutputMode::Encode(dst_id, ref mut encoder, ref mut cvt) => {
1018 if let Some((ref mut dsupp, ref mut decoder, ref mut reorderer)) = transcoder.decoders[src_id] {
1019 let ret = decoder.decode(dsupp, &pkt);
1020 if let (true, Err(DecoderError::MissingReference)) = (transcoder.start != NATimePoint::None, &ret) {
1021 continue;
1022 }
1023 if ret.is_err() {
1024 println!("error decoding stream {}", src_id);
1025 break;
1026 }
1027 let frm = ret.unwrap();
1028 reorderer.add_frame(frm);
1029 while let Some(frm) = reorderer.get_frame() {
1030 if !encode_frame(dst_id, encoder, cvt, frm) {
1031 break;
1032 }
1033 while let Ok(Some(pkt)) = encoder.get_packet() {
1034 if transcoder.end != NATimePoint::None && !pkt.ts.less_than(transcoder.end) { break 'main_loop; }
1035 mux.mux_frame(pkt).unwrap();
1036 }
1037 }
1038 } else {
1039 println!("no decoder for stream {}", src_id);
1040 break;
1041 }
1042 },
1043 };
1044 }
1045 'reord_flush_loop: for str in dmx.get_streams() {
1046 let src_id = str.get_num();
1047 if let OutputMode::Encode(dst_id, ref mut encoder, ref mut cvt) = transcoder.encoders[src_id] {
1048 if let Some((_, _, ref mut reorderer)) = transcoder.decoders[src_id] {
1049 while let Some(frm) = reorderer.get_last_frames() {
1050 if !encode_frame(dst_id, encoder, cvt, frm) {
1051 break;
1052 }
1053 while let Ok(Some(pkt)) = encoder.get_packet() {
1054 if transcoder.end != NATimePoint::None && !pkt.ts.less_than(transcoder.end) { break 'reord_flush_loop; }
1055 mux.mux_frame(pkt).unwrap();
1056 }
1057 }
1058 }
1059 }
1060 }
1061 'flush_loop: for enc in transcoder.encoders.iter_mut() {
1062 match enc {
1063 OutputMode::Encode(str_id, ref mut encoder, _) => {
1064 let ret = encoder.flush();
1065 if ret.is_err() {
1066 println!("error flushing encoder for stream {}", str_id);
1067 break;
1068 } else {
1069 while let Ok(Some(pkt)) = encoder.get_packet() {
1070 if mux.mux_frame(pkt).is_err() {
1071 println!("error muxing packet");
1072 break 'flush_loop;
1073 }
1074 }
1075 }
1076 },
1077 _ => {},
1078 };
1079 }
1080
1081 let ret = mux.end();
1082 if ret.is_err() {
1083 println!("error at finalising muxing");
1084 }
1085 }