1 extern crate nihav_core;
2 extern crate nihav_codec_support;
3 extern crate nihav_registry;
4 extern crate nihav_allstuff;
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_registry::register;
17 use nihav_allstuff::*;
23 fn print_options(name: &str, options: &[NAOptionDefinition]) {
24 if options.is_empty() {
25 println!("No custom options.");
27 println!("Options for '{}'", name);
28 for opt in options.iter() {
36 value: Option<String>,
39 struct InputStreamOptions {
42 dec_opts: Vec<OptionArgs>,
45 struct OutputStreamOptions {
47 enc_params: EncodeParameters,
49 enc_opts: Vec<OptionArgs>,
53 Video(NAScale, NABufferType),
54 Audio(NAAudioInfo, NAChannelMap),
61 Encode(u32, Box<dyn NAEncoder>, OutputConvert),
67 input_fmt: Option<String>,
69 output_fmt: Option<String>,
70 demux_opts: Vec<OptionArgs>,
71 mux_opts: Vec<OptionArgs>,
72 istr_opts: Vec<InputStreamOptions>,
73 ostr_opts: Vec<OutputStreamOptions>,
74 decoders: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>>,
75 encoders: Vec<OutputMode>,
82 macro_rules! parse_and_apply_options {
83 ($obj: expr, $in_opts: expr, $name: expr) => {
84 let mut opts = Vec::with_capacity($in_opts.len());
85 let opt_def = $obj.get_supported_options();
86 for opt in $in_opts.iter() {
87 let mut found = false;
88 for opt_def in opt_def.iter() {
89 if opt.name == opt_def.name {
90 let arg = if let Some(ref str) = opt.value { Some(str) } else { None };
91 let ret = opt_def.parse(&opt.name, arg);
93 println!("invalid option {} for {}", opt.name, $name);
95 let (val, _) = ret.unwrap();
102 println!(" ignoring option '{}' for {}", opt.name, $name);
105 $obj.set_options(opts.as_slice());
110 fn new() -> Self { Self::default() }
111 fn parse_istream_options(&mut self, opt0: &str, opt1: &str) -> bool {
112 let (_, strno) = opt0.split_at(9);
113 let ret = strno.parse::<u32>();
114 if ret.is_err() { return false; }
115 let streamno = ret.unwrap();
117 let sidx = if let Some(idx) = self.istr_opts.iter().position(|str| str.id == streamno) {
120 self.istr_opts.push(InputStreamOptions {id: streamno, drop: false, dec_opts: Vec::new() });
121 self.istr_opts.len() - 1
123 let istr = &mut self.istr_opts[sidx];
125 for opt in opt1.split(',') {
126 let oval: Vec<_> = opt.split('=').collect();
129 "drop" => { istr.drop = true; },
131 istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
134 } else if oval.len() == 2 {
135 istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
137 println!("unrecognized option '{}'", opt);
142 fn parse_ostream_options(&mut self, opt0: &str, opt1: &str, enc_reg: &RegisteredEncoders) -> bool {
143 let (_, strno) = opt0.split_at(9);
144 let ret = strno.parse::<u32>();
145 if ret.is_err() { return false; }
146 let streamno = ret.unwrap();
148 let sidx = if let Some(idx) = self.ostr_opts.iter().position(|str| str.id == streamno) {
151 self.ostr_opts.push(OutputStreamOptions {id: streamno, enc_name: String::new(), enc_params: EncodeParameters::default(), enc_opts: Vec::new() });
152 self.ostr_opts.len() - 1
154 let ostr = &mut self.ostr_opts[sidx];
156 for opt in opt1.split(',') {
157 let oval: Vec<_> = opt.split('=').collect();
161 if ostr.enc_params.format == NACodecTypeInfo::None {
162 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
164 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
165 vinfo.flipped = true;
167 println!("video option for audio stream");
171 if ostr.enc_params.format == NACodecTypeInfo::None {
172 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
174 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
175 vinfo.flipped = false;
177 println!("video option for audio stream");
181 ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
184 } else if oval.len() == 2 {
185 //todo parse encoder options, store, init later
188 if enc_reg.find_encoder(oval[1]).is_some() {
189 ostr.enc_name = oval[1].to_string();
191 println!("unknown encoder '{}'", oval[1]);
192 ostr.enc_name = oval[1].to_string();
196 if ostr.enc_params.format == NACodecTypeInfo::None {
197 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
199 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
200 let ret = oval[1].parse::<usize>();
201 if let Ok(val) = ret {
204 println!("invalid width");
207 println!("video option for audio stream");
211 if ostr.enc_params.format == NACodecTypeInfo::None {
212 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
214 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
215 let ret = oval[1].parse::<usize>();
216 if let Ok(val) = ret {
219 println!("invalid height");
222 println!("video option for audio stream");
226 if ostr.enc_params.format == NACodecTypeInfo::None {
227 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
229 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
230 let ret = oval[1].parse::<NAPixelFormaton>();
231 if let Ok(val) = ret {
234 println!("invalid pixel format");
237 println!("video option for audio stream");
241 if ostr.enc_params.format == NACodecTypeInfo::None {
242 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
244 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
245 let ret = oval[1].parse::<u32>();
246 if let Ok(val) = ret {
247 ainfo.sample_rate = val;
249 println!("invalid sampling rate");
252 println!("audio option for video stream");
256 if ostr.enc_params.format == NACodecTypeInfo::None {
257 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
259 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
260 let ret = oval[1].parse::<u8>();
261 if let Ok(val) = ret {
262 ainfo.channels = val;
264 println!("invalid number of channels");
267 println!("audio option for video stream");
271 if ostr.enc_params.format == NACodecTypeInfo::None {
272 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
274 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
275 let ret = oval[1].parse::<usize>();
276 if let Ok(val) = ret {
277 ainfo.block_len = val;
279 println!("invalid block_length");
282 println!("audio option for video stream");
286 if ostr.enc_params.format == NACodecTypeInfo::None {
287 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
289 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
290 let ret = oval[1].parse::<NASoniton>();
291 if let Ok(val) = ret {
294 println!("invalid audio format");
297 println!("audio option for video stream");
300 // todo channel map negotiation
302 if ostr.enc_params.format == NACodecTypeInfo::None {
303 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
305 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
306 let ret = oval[1].parse::<NAChannelMap>();
307 if let Ok(val) = ret {
310 println!("invalid channel map");
313 println!("audio option for video stream");
317 let ret = oval[1].parse::<u32>();
318 if let Ok(val) = ret {
319 ostr.enc_params.bitrate = val;
321 println!("invalid bitrate value");
325 let ret = oval[1].parse::<u8>();
326 if let Ok(val) = ret {
327 ostr.enc_params.quality = val;
329 println!("invalid quality value");
333 ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
337 println!("unrecognized option '{}'", opt);
342 fn parse_demuxer_options(&mut self, opts: &str, dmx_reg: &RegisteredDemuxers) -> bool {
343 for opt in opts.split(',') {
344 let oval: Vec<_> = opt.split('=').collect();
346 self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
347 } else if oval.len() == 2 {
348 if oval[0] == "format" {
349 if dmx_reg.find_demuxer(oval[1]).is_some() {
350 self.input_fmt = Some(oval[1].to_string());
352 println!("unknown demuxer format '{}'", oval[1]);
355 self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
358 println!("unrecognized option '{}'", opt);
363 fn parse_muxer_options(&mut self, opts: &str, mux_reg: &RegisteredMuxers) -> bool {
364 for opt in opts.split(',') {
365 let oval: Vec<_> = opt.split('=').collect();
367 self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
368 } else if oval.len() == 2 {
369 if oval[0] == "format" {
370 if mux_reg.find_muxer(oval[1]).is_some() {
371 self.output_fmt = Some(oval[1].to_string());
373 println!("unknown muxer format '{}'", oval[1]);
376 self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
379 println!("unrecognized option '{}'", opt);
384 fn apply_decoder_options(&self, dec: &mut NADecoder, str_id: u32) {
385 if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == str_id) {
386 let dec_opts = dec.get_supported_options();
387 if dec_opts.is_empty() { return; }
388 let name = format!("input stream {}", str_id);
389 parse_and_apply_options!(dec, &self.istr_opts[str_idx].dec_opts, name);
392 fn register_output_stream(&mut self, cname: &str, istr: NAStreamRef, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
393 let out_id = out_sm.get_num_streams() as u32;
394 if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == (istr.get_num() as u32)) {
395 if self.istr_opts[str_idx].drop {
396 self.encoders.push(OutputMode::Drop);
401 if let Some(str_idx) = self.ostr_opts.iter().position(|str| str.id == out_id) {
402 let oopts = &mut self.ostr_opts[str_idx];
403 if oopts.enc_name.as_str() == "copy" && (cname == "any" || istr.get_info().get_name() == cname) {
404 out_sm.add_stream_ref(istr.clone());
405 self.encoders.push(OutputMode::Copy(out_id));
406 } else if cname == "any" || oopts.enc_name.as_str() == cname {
407 let enc_create = enc_reg.find_encoder(oopts.enc_name.as_str());
408 if enc_create.is_none() {
409 println!("encoder '{}' not found", oopts.enc_name.as_str());
412 let mut encoder = (enc_create.unwrap())();
413 if oopts.enc_params.format == NACodecTypeInfo::None {
414 oopts.enc_params.format = istr.get_info().get_properties();
416 if oopts.enc_params.tb_num == 0 {
417 oopts.enc_params.tb_num = istr.tb_num;
418 oopts.enc_params.tb_den = istr.tb_den;
420 let ret_eparams = encoder.negotiate_format(&oopts.enc_params);
421 if ret_eparams.is_err() {
422 println!("cannot negotiate encoding parameters");
425 let ret_eparams = ret_eparams.unwrap();
427 //todo check for params mismatch
428 let cvt = match (&oopts.enc_params.format, &ret_eparams.format) {
429 (NACodecTypeInfo::Video(svinfo), NACodecTypeInfo::Video(dvinfo)) => {
430 if svinfo == dvinfo {
433 let ofmt = ScaleInfo { fmt: dvinfo.format, width: dvinfo.width, height: dvinfo.height };
434 let ret = NAScale::new(ofmt, ofmt);
436 println!("cannot create scaler");
439 let scaler = ret.unwrap();
440 let ret = alloc_video_buffer(*dvinfo, 4);
442 println!("cannot create scaler buffer");
445 let cvt_buf = ret.unwrap();
446 OutputConvert::Video(scaler, cvt_buf)
449 (NACodecTypeInfo::Audio(sainfo), NACodecTypeInfo::Audio(dainfo)) => {
450 if sainfo == dainfo {
453 let dchmap = match dainfo.channels {
454 1 => NAChannelMap::from_ms_mapping(0x4),
455 2 => NAChannelMap::from_ms_mapping(0x3),
457 println!("can't generate default channel map for {} channels", dainfo.channels);
462 OutputConvert::Audio(*dainfo, dchmap)
465 _ => OutputConvert::None,
467 let ret = encoder.init(out_id, ret_eparams);
469 println!("error initialising encoder");
472 out_sm.add_stream_ref(ret.unwrap());
474 let name = format!("output stream {}", out_id);
475 parse_and_apply_options!(encoder, &oopts.enc_opts, name);
477 self.encoders.push(OutputMode::Encode(out_id, encoder, cvt));
479 println!("encoder {} is not supported by output (expected {})", istr.id, istr.get_info().get_name());
483 if cname == "any" || istr.get_info().get_name() == cname {
484 out_sm.add_stream_ref(istr.clone());
485 self.encoders.push(OutputMode::Copy(out_id));
487 println!("stream {} ({}) can't be handled", istr.id, istr.get_info().get_name());
488 // todo autoselect encoder?
494 fn map_single(&mut self, cname: &str, ctype: StreamType, src_sm: &StreamManager, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
495 let mut found_stream = false;
496 for istr in src_sm.iter() {
497 if istr.get_media_type() != ctype || found_stream {
498 self.encoders.push(OutputMode::Drop);
500 if !self.register_output_stream(cname, istr, out_sm, enc_reg) {
508 fn negotiate_stream_map(&mut self, src_sm: &StreamManager, mux_caps: MuxerCapabilities, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
510 MuxerCapabilities::SingleVideo(cname) => {
511 if self.no_video { return false; }
512 self.map_single(cname, StreamType::Video, src_sm, out_sm, enc_reg)
514 MuxerCapabilities::SingleAudio(cname) => {
515 if self.no_audio { return false; }
516 self.map_single(cname, StreamType::Audio, src_sm, out_sm, enc_reg)
518 MuxerCapabilities::SingleVideoAndAudio(vname, aname) => {
519 let mut found_vid = false;
520 let mut found_aud = false;
521 for istr in src_sm.iter() {
522 if istr.get_media_type() == StreamType::Video && !found_vid && !self.no_video {
523 if !self.register_output_stream(vname, istr, out_sm, enc_reg) {
527 } else if istr.get_media_type() == StreamType::Audio && !found_aud && !self.no_audio {
528 if !self.register_output_stream(aname, istr, out_sm, enc_reg) {
533 self.encoders.push(OutputMode::Drop);
536 found_vid | found_aud
538 MuxerCapabilities::OnlyVideo => {
539 if self.no_video { return false; }
541 let mut found_vid = false;
542 for istr in src_sm.iter() {
543 if istr.get_media_type() == StreamType::Video && !found_vid {
544 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
549 self.encoders.push(OutputMode::Drop);
554 MuxerCapabilities::OnlyAudio => {
555 if self.no_audio { return false; }
557 let mut found_aud = false;
558 for istr in src_sm.iter() {
559 if istr.get_media_type() == StreamType::Audio && !found_aud {
560 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
565 self.encoders.push(OutputMode::Drop);
570 MuxerCapabilities::Universal => {
571 for istr in src_sm.iter() {
572 if (istr.get_media_type() == StreamType::Video && self.no_video) ||
573 (istr.get_media_type() == StreamType::Audio && self.no_audio) {
574 self.encoders.push(OutputMode::Drop);
577 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
587 macro_rules! next_arg {
588 ($args: expr, $arg_idx: expr) => {
589 if $arg_idx + 1 >= $args.len() {
590 println!("codec name is required");
597 let args: Vec<_> = env::args().collect();
600 println!("usage: nihav-encoder [-noout] [-vn] [-an] input [lastpts]");
604 let mut dmx_reg = RegisteredDemuxers::new();
605 nihav_register_all_demuxers(&mut dmx_reg);
606 let mut dec_reg = RegisteredDecoders::new();
607 nihav_register_all_decoders(&mut dec_reg);
609 let mut mux_reg = RegisteredMuxers::new();
610 nihav_register_all_muxers(&mut mux_reg);
611 mux_reg.add_muxer(NULL_MUXER);
612 let mut enc_reg = RegisteredEncoders::new();
613 nihav_register_all_encoders(&mut enc_reg);
614 enc_reg.add_encoder(NULL_ENCODER);
616 let mut transcoder = Transcoder::new();
619 let mut printed_info = false;
620 while arg_idx < args.len() {
621 match args[arg_idx].as_str() {
622 "--list-decoders" => {
623 if dec_reg.iter().len() > 0 {
624 println!("Registered decoders:");
625 for dec in dec_reg.iter() {
626 let cdesc = register::get_codec_description(dec.name);
627 let full_name = if let Some(cd) = cdesc { cd.get_full_name() } else { "???" };
628 println!(" {} ({})", dec.name, full_name);
631 println!("No registered decoders.");
635 "--list-encoders" => {
636 if enc_reg.iter().len() > 0 {
637 println!("Registered encoders:");
638 for enc in enc_reg.iter() {
639 let cdesc = register::get_codec_description(enc.name);
640 let full_name = if let Some(cd) = cdesc { cd.get_full_name() } else { "???" };
641 println!(" {} ({})", enc.name, full_name);
644 println!("No registered encoders.");
648 "--list-demuxers" => {
649 print!("Registered demuxers:");
650 for dmx in dmx_reg.iter() {
651 print!(" {}", dmx.get_name());
657 print!("Registered muxers:");
658 for mux in mux_reg.iter() {
659 print!(" {}", mux.get_name());
664 "--query-decoder-options" => {
665 next_arg!(args, arg_idx);
666 let cname = args[arg_idx].as_str();
667 if let Some(decfunc) = dec_reg.find_decoder(cname) {
668 let dec = (decfunc)();
669 let opts = dec.get_supported_options();
670 print_options(cname, opts);
672 println!("codec {} is not found", cname);
676 "--query-demuxer-options" => {
677 next_arg!(args, arg_idx);
678 let dname = args[arg_idx].as_str();
679 let mut mr = MemoryReader::new_read(&[]);
680 let mut br = ByteReader::new(&mut mr);
681 if let Some(dmx_creator) = dmx_reg.find_demuxer(dname) {
682 let dmx = dmx_creator.new_demuxer(&mut br);
683 let opts = dmx.get_supported_options();
684 print_options(dname, opts);
686 println!("demuxer {} is not found", dname);
690 "--query-encoder-options" => {
691 next_arg!(args, arg_idx);
692 let cname = args[arg_idx].as_str();
693 if let Some(encfunc) = enc_reg.find_encoder(cname) {
694 let enc = (encfunc)();
695 let opts = enc.get_supported_options();
696 print_options(cname, opts);
698 println!("codec {} is not found", cname);
702 "--query-muxer-options" => {
703 next_arg!(args, arg_idx);
704 let name = args[arg_idx].as_str();
706 let mut mw = MemoryWriter::new_write(&mut data);
707 let mut bw = ByteWriter::new(&mut mw);
708 if let Some(mux_creator) = mux_reg.find_muxer(name) {
709 let mux = mux_creator.new_muxer(&mut bw);
710 let opts = mux.get_supported_options();
711 print_options(name, opts);
713 println!("muxer {} is not found", name);
718 next_arg!(args, arg_idx);
719 transcoder.input_name = args[arg_idx].clone();
721 "--input-format" => {
722 next_arg!(args, arg_idx);
723 transcoder.input_fmt = Some(args[arg_idx].clone());
726 next_arg!(args, arg_idx);
727 transcoder.output_name = args[arg_idx].clone();
729 "--output-format" => {
730 next_arg!(args, arg_idx);
731 transcoder.output_fmt = Some(args[arg_idx].clone());
733 "--demuxer-options" => {
734 next_arg!(args, arg_idx);
735 if !transcoder.parse_demuxer_options(&args[arg_idx], &dmx_reg) {
736 println!("invalid demuxer option syntax");
741 transcoder.no_video = true;
744 transcoder.no_audio = true;
747 next_arg!(args, arg_idx);
748 let ret = args[arg_idx].parse::<NATimePoint>();
749 if let Ok(val) = ret {
750 transcoder.start = val;
752 println!("invalid start time");
757 next_arg!(args, arg_idx);
758 let ret = args[arg_idx].parse::<NATimePoint>();
759 if let Ok(val) = ret {
760 transcoder.end = val;
762 println!("invalid start time");
766 "--muxer-options" => {
767 next_arg!(args, arg_idx);
768 if !transcoder.parse_muxer_options(&args[arg_idx], &mux_reg) {
769 println!("invalid muxer option syntax");
774 if args[arg_idx].starts_with("--istream") {
775 let opt0 = &args[arg_idx];
776 next_arg!(args, arg_idx);
777 if !transcoder.parse_istream_options(opt0, &args[arg_idx]) {
778 println!("invalid input stream option syntax");
781 } else if args[arg_idx].starts_with("--ostream") {
782 let opt0 = &args[arg_idx];
783 next_arg!(args, arg_idx);
784 if !transcoder.parse_ostream_options(opt0, &args[arg_idx], &enc_reg) {
785 println!("invalid output stream option syntax");
788 } else if args[arg_idx].starts_with("--") {
789 println!("unknown option");
791 println!("unrecognized argument");
802 if transcoder.input_name.len() == 0 {
803 println!("no input name provided");
806 if transcoder.output_name.len() == 0 {
807 println!("no output name provided");
811 let res = File::open(transcoder.input_name.as_str());
813 println!("error opening input");
816 let mut file = res.unwrap();
817 let mut fr = FileReader::new_read(&mut file);
818 let mut br = ByteReader::new(&mut fr);
820 let dmx_name = if let Some(ref str) = transcoder.input_fmt {
823 if let Some((dmx_name, score)) = detect::detect_format(transcoder.input_name.as_str(), &mut br) {
824 println!("detected {} with score {:?}", dmx_name, score);
827 println!("cannot detect input format");
831 let ret = dmx_reg.find_demuxer(dmx_name);
833 println!("cannot find demuxer for '{}'", dmx_name);
836 let dmx_fact = ret.unwrap();
837 br.seek(SeekFrom::Start(0)).unwrap();
838 let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
839 parse_and_apply_options!(dmx, &transcoder.demux_opts, "input");
840 for i in 0..dmx.get_num_streams() {
841 let s = dmx.get_stream(i).unwrap();
842 let info = s.get_info();
843 let decfunc = dec_reg.find_decoder(info.get_name());
844 println!("stream {} - {} {}", i, s, info.get_name());
845 let str_id = s.get_num() as u32;
846 if let Some(create_dec) = decfunc {
847 let mut dec = (create_dec)();
848 let mut dsupp = Box::new(NADecoderSupport::new());
849 let ret = dec.init(&mut dsupp, info.clone());
851 println!("Error initialising decoder '{}' for stream {}", info.get_name(), str_id);
854 transcoder.apply_decoder_options(dec.as_mut(), str_id);
855 transcoder.decoders.push(Some((dsupp, dec)));
857 println!("No decoder for stream {} ({}) is found", str_id, info.get_name());
858 transcoder.decoders.push(None);
861 if transcoder.start != NATimePoint::None {
862 let ret = dmx.seek(transcoder.start);
864 println!(" failed to seek to {} error {:?}", transcoder.start, ret.err().unwrap());
868 let output_fmt = if let Some(ref str) = transcoder.output_fmt {
871 if let Some(str) = detect::detect_format_by_name(transcoder.output_name.as_str()) {
874 println!("Cannot guess muxer for output");
878 let ret = mux_reg.find_muxer(output_fmt);
879 let ofmt = output_fmt.to_string();
882 println!("cannot find muxer '{}'", output_fmt);
884 let mux_creator = ret.unwrap();
886 let mux_caps = mux_creator.get_capabilities();
887 let mut out_sm = StreamManager::new();
888 if !transcoder.negotiate_stream_map(dmx.get_stream_manager(), mux_caps, &mut out_sm, &enc_reg) {
889 println!("cannot determine stream map");
893 let ret = File::create(transcoder.output_name.as_str());
895 println!("cannot open output file");
898 let mut fw = FileWriter::new_write(ret.unwrap());
899 let mut bw = ByteWriter::new(&mut fw);
900 let ret = create_muxer(mux_creator, out_sm, &mut bw);
901 if let Err(err) = ret {
902 println!("cannot create muxer instance {:?}", err);
905 let mut mux = ret.unwrap();
906 parse_and_apply_options!(mux, &transcoder.mux_opts, "output");
908 println!("Output {} muxer {}", transcoder.output_name, ofmt);
909 for ostr in mux.get_streams() {
910 println!(" #{}: {} {}", ostr.get_num(), ostr, ostr.get_info().get_name());
914 let pktres = dmx.get_frame();
915 if let Err(DemuxerError::EOF) = pktres { break; }
917 println!("demuxing error");
920 let mut pkt = pktres.unwrap();
921 let src_id = pkt.get_stream().get_num();
922 match transcoder.encoders[src_id] {
923 OutputMode::Drop => {},
924 OutputMode::Copy(dst_id) => {
925 let dstr = mux.get_stream(dst_id as usize).unwrap();
926 pkt.reassign(dstr, pkt.get_time_information());
927 if transcoder.end != NATimePoint::None && !pkt.ts.less_than(transcoder.end) { break 'main_loop; }
928 if mux.mux_frame(pkt).is_err() {
929 println!("error muxing packet");
933 OutputMode::Encode(dst_id, ref mut encoder, ref mut cvt) => {
934 if let Some((ref mut dsupp, ref mut decoder)) = transcoder.decoders[src_id] {
935 let ret = decoder.decode(dsupp, &pkt);
937 println!("error decoding stream {}", src_id);
940 let frm = ret.unwrap();
941 let buf = frm.get_buffer();
942 let cbuf = match cvt {
943 OutputConvert::None => buf,
944 OutputConvert::Video(ref mut scaler, ref mut dbuf) => {
945 let cur_ifmt = get_scale_fmt_from_pic(&buf);
946 let last_ifmt = scaler.get_in_fmt();
947 if cur_ifmt != last_ifmt {
948 let ofmt = scaler.get_out_fmt();
949 let ret = NAScale::new(cur_ifmt, ofmt);
951 println!("error re-initialising scaler for {} -> {}", cur_ifmt, ofmt);
954 *scaler = ret.unwrap();
956 let ret = scaler.convert(&buf, dbuf);
958 println!("error converting frame for encoding");
963 OutputConvert::Audio(ref dinfo, ref dchmap) => {
964 let ret = convert_audio_frame(&buf, dinfo, dchmap);
966 println!("error converting audio for stream {}", dst_id);
972 let cfrm = NAFrame::new(frm.get_time_information(), frm.frame_type, frm.key, frm.get_info(), cbuf);
973 encoder.encode(&cfrm).unwrap();
974 while let Ok(Some(pkt)) = encoder.get_packet() {
975 if transcoder.end != NATimePoint::None && !pkt.ts.less_than(transcoder.end) { break 'main_loop; }
976 mux.mux_frame(pkt).unwrap();
979 println!("no decoder for stream {}", src_id);
985 'flush_loop: for enc in transcoder.encoders.iter_mut() {
987 OutputMode::Encode(str_id, ref mut encoder, _) => {
988 let ret = encoder.flush();
990 println!("error flushing encoder for stream {}", str_id);
993 while let Ok(Some(pkt)) = encoder.get_packet() {
994 if mux.mux_frame(pkt).is_err() {
995 println!("error muxing packet");
1005 let ret = mux.end();
1007 println!("error at finalising muxing");