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>,
80 macro_rules! parse_and_apply_options {
81 ($obj: expr, $in_opts: expr, $name: expr) => {
82 let mut opts = Vec::with_capacity($in_opts.len());
83 let opt_def = $obj.get_supported_options();
84 for opt in $in_opts.iter() {
85 let mut found = false;
86 for opt_def in opt_def.iter() {
87 if opt.name == opt_def.name {
88 let arg = if let Some(ref str) = opt.value { Some(str) } else { None };
89 let ret = opt_def.parse(&opt.name, arg);
91 println!("invalid option {} for {}", opt.name, $name);
93 let (val, _) = ret.unwrap();
100 println!(" ignoring option '{}' for {}", opt.name, $name);
103 $obj.set_options(opts.as_slice());
108 fn new() -> Self { Self::default() }
109 fn parse_istream_options(&mut self, opt0: &str, opt1: &str) -> bool {
110 let (_, strno) = opt0.split_at(9);
111 let ret = strno.parse::<u32>();
112 if ret.is_err() { return false; }
113 let streamno = ret.unwrap();
115 let sidx = if let Some(idx) = self.istr_opts.iter().position(|str| str.id == streamno) {
118 self.istr_opts.push(InputStreamOptions {id: streamno, drop: false, dec_opts: Vec::new() });
119 self.istr_opts.len() - 1
121 let istr = &mut self.istr_opts[sidx];
123 for opt in opt1.split(',') {
124 let oval: Vec<_> = opt.split('=').collect();
127 "drop" => { istr.drop = true; },
129 istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
132 } else if oval.len() == 2 {
133 istr.dec_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
135 println!("unrecognized option '{}'", opt);
140 fn parse_ostream_options(&mut self, opt0: &str, opt1: &str, enc_reg: &RegisteredEncoders) -> bool {
141 let (_, strno) = opt0.split_at(9);
142 let ret = strno.parse::<u32>();
143 if ret.is_err() { return false; }
144 let streamno = ret.unwrap();
146 let sidx = if let Some(idx) = self.ostr_opts.iter().position(|str| str.id == streamno) {
149 self.ostr_opts.push(OutputStreamOptions {id: streamno, enc_name: String::new(), enc_params: EncodeParameters::default(), enc_opts: Vec::new() });
150 self.ostr_opts.len() - 1
152 let ostr = &mut self.ostr_opts[sidx];
154 for opt in opt1.split(',') {
155 let oval: Vec<_> = opt.split('=').collect();
159 if ostr.enc_params.format == NACodecTypeInfo::None {
160 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
162 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
163 vinfo.flipped = true;
165 println!("video option for audio stream");
169 if ostr.enc_params.format == NACodecTypeInfo::None {
170 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
172 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
173 vinfo.flipped = false;
175 println!("video option for audio stream");
179 ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
182 } else if oval.len() == 2 {
183 //todo parse encoder options, store, init later
186 if enc_reg.find_encoder(oval[1]).is_some() {
187 ostr.enc_name = oval[1].to_string();
189 println!("unknown encoder '{}'", oval[1]);
190 ostr.enc_name = oval[1].to_string();
194 if ostr.enc_params.format == NACodecTypeInfo::None {
195 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
197 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
198 let ret = oval[1].parse::<usize>();
199 if let Ok(val) = ret {
202 println!("invalid width");
205 println!("video option for audio stream");
209 if ostr.enc_params.format == NACodecTypeInfo::None {
210 ostr.enc_params.format = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, YUV420_FORMAT));
212 if let NACodecTypeInfo::Video(ref mut vinfo) = ostr.enc_params.format {
213 let ret = oval[1].parse::<usize>();
214 if let Ok(val) = ret {
217 println!("invalid height");
220 println!("video option for audio stream");
225 if ostr.enc_params.format == NACodecTypeInfo::None {
226 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
228 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
229 let ret = oval[1].parse::<u32>();
230 if let Ok(val) = ret {
231 ainfo.sample_rate = val;
233 println!("invalid sampling rate");
236 println!("audio option for video stream");
240 if ostr.enc_params.format == NACodecTypeInfo::None {
241 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
243 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
244 let ret = oval[1].parse::<u8>();
245 if let Ok(val) = ret {
246 ainfo.channels = val;
248 println!("invalid number of channels");
251 println!("audio option for video stream");
255 if ostr.enc_params.format == NACodecTypeInfo::None {
256 ostr.enc_params.format = NACodecTypeInfo::Audio(NAAudioInfo::new(0, 0, SND_S16_FORMAT, 0));
258 if let NACodecTypeInfo::Audio(ref mut ainfo) = ostr.enc_params.format {
259 let ret = oval[1].parse::<usize>();
260 if let Ok(val) = ret {
261 ainfo.block_len = val;
263 println!("invalid block_length");
266 println!("audio option for video stream");
269 //todo soniton, channel map
271 let ret = oval[1].parse::<u32>();
272 if let Ok(val) = ret {
273 ostr.enc_params.bitrate = val;
275 println!("invalid bitrate value");
279 let ret = oval[1].parse::<u8>();
280 if let Ok(val) = ret {
281 ostr.enc_params.quality = val;
283 println!("invalid quality value");
287 ostr.enc_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
291 println!("unrecognized option '{}'", opt);
296 fn parse_demuxer_options(&mut self, opts: &str, dmx_reg: &RegisteredDemuxers) -> bool {
297 for opt in opts.split(',') {
298 let oval: Vec<_> = opt.split('=').collect();
300 self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
301 } else if oval.len() == 2 {
302 if oval[0] == "format" {
303 if dmx_reg.find_demuxer(oval[1]).is_some() {
304 self.input_fmt = Some(oval[1].to_string());
306 println!("unknown demuxer format '{}'", oval[1]);
309 self.demux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
312 println!("unrecognized option '{}'", opt);
317 fn parse_muxer_options(&mut self, opts: &str, mux_reg: &RegisteredMuxers) -> bool {
318 for opt in opts.split(',') {
319 let oval: Vec<_> = opt.split('=').collect();
321 self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: None });
322 } else if oval.len() == 2 {
323 if oval[0] == "format" {
324 if mux_reg.find_muxer(oval[1]).is_some() {
325 self.output_fmt = Some(oval[1].to_string());
327 println!("unknown muxer format '{}'", oval[1]);
330 self.mux_opts.push(OptionArgs{ name: oval[0].to_string(), value: Some(oval[1].to_string()) });
333 println!("unrecognized option '{}'", opt);
338 fn apply_decoder_options(&self, dec: &mut NADecoder, str_id: u32) {
339 if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == str_id) {
340 let dec_opts = dec.get_supported_options();
341 if dec_opts.is_empty() { return; }
342 let name = format!("input stream {}", str_id);
343 parse_and_apply_options!(dec, &self.istr_opts[str_idx].dec_opts, name);
346 fn register_output_stream(&mut self, cname: &str, istr: NAStreamRef, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
347 let out_id = out_sm.get_num_streams() as u32;
348 if let Some(str_idx) = self.istr_opts.iter().position(|str| str.id == (istr.get_num() as u32)) {
349 if self.istr_opts[str_idx].drop {
350 self.encoders.push(OutputMode::Drop);
355 if let Some(str_idx) = self.ostr_opts.iter().position(|str| str.id == out_id) {
356 let oopts = &mut self.ostr_opts[str_idx];
357 if oopts.enc_name.as_str() == "copy" && (cname == "any" || istr.get_info().get_name() == cname) {
358 out_sm.add_stream_ref(istr.clone());
359 self.encoders.push(OutputMode::Copy(out_id));
360 } else if cname == "any" || oopts.enc_name.as_str() == cname {
361 let enc_create = enc_reg.find_encoder(oopts.enc_name.as_str());
362 if enc_create.is_none() {
363 println!("encoder '{}' not found", oopts.enc_name.as_str());
366 let mut encoder = (enc_create.unwrap())();
367 if oopts.enc_params.format == NACodecTypeInfo::None {
368 oopts.enc_params.format = istr.get_info().get_properties();
370 if oopts.enc_params.tb_num == 0 {
371 oopts.enc_params.tb_num = istr.tb_num;
372 oopts.enc_params.tb_den = istr.tb_den;
374 let ret_eparams = encoder.negotiate_format(&oopts.enc_params);
375 if ret_eparams.is_err() {
376 println!("cannot negotiate encoding parameters");
379 let ret_eparams = ret_eparams.unwrap();
381 //todo check for params mismatch
382 let cvt = match (&oopts.enc_params.format, &ret_eparams.format) {
383 (NACodecTypeInfo::Video(svinfo), NACodecTypeInfo::Video(dvinfo)) => {
384 if svinfo == dvinfo {
387 let ofmt = ScaleInfo { fmt: dvinfo.format, width: dvinfo.width, height: dvinfo.height };
388 let ret = NAScale::new(ofmt, ofmt);
390 println!("cannot create scaler");
393 let scaler = ret.unwrap();
394 let ret = alloc_video_buffer(*dvinfo, 4);
396 println!("cannot create scaler buffer");
399 let cvt_buf = ret.unwrap();
400 OutputConvert::Video(scaler, cvt_buf)
403 (NACodecTypeInfo::Audio(sainfo), NACodecTypeInfo::Audio(dainfo)) => {
404 if sainfo == dainfo {
407 let dchmap = match dainfo.channels {
408 1 => NAChannelMap::from_ms_mapping(0x4),
409 2 => NAChannelMap::from_ms_mapping(0x3),
411 println!("can't generate default channel map for {} channels", dainfo.channels);
416 OutputConvert::Audio(*dainfo, dchmap)
419 _ => OutputConvert::None,
421 let ret = encoder.init(out_id, ret_eparams);
423 println!("error initialising encoder");
426 out_sm.add_stream_ref(ret.unwrap());
428 let name = format!("output stream {}", out_id);
429 parse_and_apply_options!(encoder, &oopts.enc_opts, name);
431 self.encoders.push(OutputMode::Encode(out_id, encoder, cvt));
433 println!("encoder {} is not supported by output (expected {})", istr.id, istr.get_info().get_name());
437 if cname == "any" || istr.get_info().get_name() == cname {
438 out_sm.add_stream_ref(istr.clone());
439 self.encoders.push(OutputMode::Copy(out_id));
441 println!("stream {} ({}) can't be handled", istr.id, istr.get_info().get_name());
442 // todo autoselect encoder?
448 fn map_single(&mut self, cname: &str, ctype: StreamType, src_sm: &StreamManager, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
449 let mut found_stream = false;
450 for istr in src_sm.iter() {
451 if istr.get_media_type() != ctype || found_stream {
452 self.encoders.push(OutputMode::Drop);
454 if !self.register_output_stream(cname, istr, out_sm, enc_reg) {
462 fn negotiate_stream_map(&mut self, src_sm: &StreamManager, mux_caps: MuxerCapabilities, out_sm: &mut StreamManager, enc_reg: &RegisteredEncoders) -> bool {
464 MuxerCapabilities::SingleVideo(cname) => {
465 if self.no_video { return false; }
466 self.map_single(cname, StreamType::Video, src_sm, out_sm, enc_reg)
468 MuxerCapabilities::SingleAudio(cname) => {
469 if self.no_audio { return false; }
470 self.map_single(cname, StreamType::Audio, src_sm, out_sm, enc_reg)
472 MuxerCapabilities::SingleVideoAndAudio(vname, aname) => {
473 let mut found_vid = false;
474 let mut found_aud = false;
475 for istr in src_sm.iter() {
476 if istr.get_media_type() == StreamType::Video && !found_vid && !self.no_video {
477 if !self.register_output_stream(vname, istr, out_sm, enc_reg) {
481 } else if istr.get_media_type() == StreamType::Audio && !found_aud && !self.no_audio {
482 if !self.register_output_stream(aname, istr, out_sm, enc_reg) {
487 self.encoders.push(OutputMode::Drop);
490 found_vid | found_aud
492 MuxerCapabilities::OnlyVideo => {
493 if self.no_video { return false; }
495 let mut found_vid = false;
496 for istr in src_sm.iter() {
497 if istr.get_media_type() == StreamType::Video && !found_vid {
498 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
503 self.encoders.push(OutputMode::Drop);
508 MuxerCapabilities::OnlyAudio => {
509 if self.no_audio { return false; }
511 let mut found_aud = false;
512 for istr in src_sm.iter() {
513 if istr.get_media_type() == StreamType::Audio && !found_aud {
514 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
519 self.encoders.push(OutputMode::Drop);
524 MuxerCapabilities::Universal => {
525 for istr in src_sm.iter() {
526 if (istr.get_media_type() == StreamType::Video && self.no_video) ||
527 (istr.get_media_type() == StreamType::Audio && self.no_audio) {
528 self.encoders.push(OutputMode::Drop);
531 if !self.register_output_stream("any", istr, out_sm, enc_reg) {
541 macro_rules! next_arg {
542 ($args: expr, $arg_idx: expr) => {
543 if $arg_idx + 1 >= $args.len() {
544 println!("codec name is required");
551 let args: Vec<_> = env::args().collect();
554 println!("usage: nihav-encoder [-noout] [-vn] [-an] input [lastpts]");
558 let mut dmx_reg = RegisteredDemuxers::new();
559 nihav_register_all_demuxers(&mut dmx_reg);
560 let mut dec_reg = RegisteredDecoders::new();
561 nihav_register_all_codecs(&mut dec_reg);
563 let mut mux_reg = RegisteredMuxers::new();
564 nihav_register_all_muxers(&mut mux_reg);
565 mux_reg.add_muxer(NULL_MUXER);
566 let mut enc_reg = RegisteredEncoders::new();
567 nihav_register_all_encoders(&mut enc_reg);
568 enc_reg.add_encoder(NULL_ENCODER);
570 let mut transcoder = Transcoder::new();
573 let mut printed_info = false;
574 while arg_idx < args.len() {
575 match args[arg_idx].as_str() {
576 "--list-decoders" => {
577 if dec_reg.iter().len() > 0 {
578 println!("Registered decoders:");
579 for dec in dec_reg.iter() {
580 let cdesc = register::get_codec_description(dec.name);
581 let full_name = if let Some(cd) = cdesc { cd.get_full_name() } else { "???" };
582 println!(" {} ({})", dec.name, full_name);
585 println!("No registered decoders.");
589 "--list-encoders" => {
590 if enc_reg.iter().len() > 0 {
591 println!("Registered encoders:");
592 for enc in enc_reg.iter() {
593 let cdesc = register::get_codec_description(enc.name);
594 let full_name = if let Some(cd) = cdesc { cd.get_full_name() } else { "???" };
595 println!(" {} ({})", enc.name, full_name);
598 println!("No registered encoders.");
602 "--list-demuxers" => {
603 print!("Registered demuxers:");
604 for dmx in dmx_reg.iter() {
605 print!(" {}", dmx.get_name());
611 print!("Registered muxers:");
612 for mux in mux_reg.iter() {
613 print!(" {}", mux.get_name());
618 "--query-decoder-options" => {
619 next_arg!(args, arg_idx);
620 let cname = args[arg_idx].as_str();
621 if let Some(decfunc) = dec_reg.find_decoder(cname) {
622 let dec = (decfunc)();
623 let opts = dec.get_supported_options();
624 print_options(cname, opts);
626 println!("codec {} is not found", cname);
630 "--query-demuxer-options" => {
631 next_arg!(args, arg_idx);
632 let dname = args[arg_idx].as_str();
633 let mut mr = MemoryReader::new_read(&[]);
634 let mut br = ByteReader::new(&mut mr);
635 if let Some(dmx_creator) = dmx_reg.find_demuxer(dname) {
636 let dmx = dmx_creator.new_demuxer(&mut br);
637 let opts = dmx.get_supported_options();
638 print_options(dname, opts);
640 println!("demuxer {} is not found", dname);
644 "--query-encoder-options" => {
645 next_arg!(args, arg_idx);
646 let cname = args[arg_idx].as_str();
647 if let Some(encfunc) = enc_reg.find_encoder(cname) {
648 let enc = (encfunc)();
649 let opts = enc.get_supported_options();
650 print_options(cname, opts);
652 println!("codec {} is not found", cname);
656 "--query-muxer-options" => {
657 next_arg!(args, arg_idx);
658 let name = args[arg_idx].as_str();
660 let mut mw = MemoryWriter::new_write(&mut data);
661 let mut bw = ByteWriter::new(&mut mw);
662 if let Some(mux_creator) = mux_reg.find_muxer(name) {
663 let mux = mux_creator.new_muxer(&mut bw);
664 let opts = mux.get_supported_options();
665 print_options(name, opts);
667 println!("muxer {} is not found", name);
672 next_arg!(args, arg_idx);
673 transcoder.input_name = args[arg_idx].clone();
675 "--input-format" => {
676 next_arg!(args, arg_idx);
677 transcoder.input_fmt = Some(args[arg_idx].clone());
680 next_arg!(args, arg_idx);
681 transcoder.output_name = args[arg_idx].clone();
683 "--output-format" => {
684 next_arg!(args, arg_idx);
685 transcoder.output_fmt = Some(args[arg_idx].clone());
687 "--demuxer-options" => {
688 next_arg!(args, arg_idx);
689 if !transcoder.parse_demuxer_options(&args[arg_idx], &dmx_reg) {
690 println!("invalid demuxer option syntax");
695 transcoder.no_video = true;
698 transcoder.no_audio = true;
700 "--muxer-options" => {
701 next_arg!(args, arg_idx);
702 if !transcoder.parse_muxer_options(&args[arg_idx], &mux_reg) {
703 println!("invalid muxer option syntax");
708 if args[arg_idx].starts_with("--istream") {
709 let opt0 = &args[arg_idx];
710 next_arg!(args, arg_idx);
711 if !transcoder.parse_istream_options(opt0, &args[arg_idx]) {
712 println!("invalid input stream option syntax");
715 } else if args[arg_idx].starts_with("--ostream") {
716 let opt0 = &args[arg_idx];
717 next_arg!(args, arg_idx);
718 if !transcoder.parse_ostream_options(opt0, &args[arg_idx], &enc_reg) {
719 println!("invalid output stream option syntax");
722 } else if args[arg_idx].starts_with("--") {
723 println!("unknown option");
725 println!("unrecognized argument");
736 if transcoder.input_name.len() == 0 {
737 println!("no input name provided");
740 if transcoder.output_name.len() == 0 {
741 println!("no output name provided");
745 let res = File::open(transcoder.input_name.as_str());
747 println!("error opening input");
750 let mut file = res.unwrap();
751 let mut fr = FileReader::new_read(&mut file);
752 let mut br = ByteReader::new(&mut fr);
754 let dmx_name = if let Some(ref str) = transcoder.input_fmt {
757 if let Some((dmx_name, score)) = detect::detect_format(transcoder.input_name.as_str(), &mut br) {
758 println!("detected {} with score {:?}", dmx_name, score);
761 println!("cannot detect input format");
765 let ret = dmx_reg.find_demuxer(dmx_name);
767 println!("cannot find demuxer for '{}'", dmx_name);
770 let dmx_fact = ret.unwrap();
771 br.seek(SeekFrom::Start(0)).unwrap();
772 let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
773 parse_and_apply_options!(dmx, &transcoder.demux_opts, "input");
774 for i in 0..dmx.get_num_streams() {
775 let s = dmx.get_stream(i).unwrap();
776 let info = s.get_info();
777 let decfunc = dec_reg.find_decoder(info.get_name());
778 println!("stream {} - {} {}", i, s, info.get_name());
779 let str_id = s.get_num() as u32;
780 if let Some(create_dec) = decfunc {
781 let mut dec = (create_dec)();
782 let mut dsupp = Box::new(NADecoderSupport::new());
783 let ret = dec.init(&mut dsupp, info.clone());
785 println!("Error initialising decoder '{}' for stream {}", info.get_name(), str_id);
788 transcoder.apply_decoder_options(dec.as_mut(), str_id);
789 transcoder.decoders.push(Some((dsupp, dec)));
791 println!("No decoder for stream {} ({}) is found", str_id, info.get_name());
792 transcoder.decoders.push(None);
796 let output_fmt = if let Some(ref str) = transcoder.output_fmt {
799 if let Some(str) = detect::detect_format_by_name(transcoder.output_name.as_str()) {
802 println!("Cannot guess muxer for output");
806 let ret = mux_reg.find_muxer(output_fmt);
807 let ofmt = output_fmt.to_string();
810 println!("cannot find muxer '{}'", output_fmt);
812 let mux_creator = ret.unwrap();
814 let mux_caps = mux_creator.get_capabilities();
815 let mut out_sm = StreamManager::new();
816 if !transcoder.negotiate_stream_map(dmx.get_stream_manager(), mux_caps, &mut out_sm, &enc_reg) {
817 println!("cannot determine stream map");
821 let ret = File::create(transcoder.output_name.as_str());
823 println!("cannot open output file");
826 let mut fw = FileWriter::new_write(ret.unwrap());
827 let mut bw = ByteWriter::new(&mut fw);
828 let ret = create_muxer(mux_creator, out_sm, &mut bw);
829 if let Err(err) = ret {
830 println!("cannot create muxer instance {:?}", err);
833 let mut mux = ret.unwrap();
834 parse_and_apply_options!(mux, &transcoder.mux_opts, "output");
836 println!("Output {} muxer {}", transcoder.output_name, ofmt);
837 for ostr in mux.get_streams() {
838 println!(" #{}: {} {}", ostr.get_num(), ostr, ostr.get_info().get_name());
842 let pktres = dmx.get_frame();
843 if let Err(DemuxerError::EOF) = pktres { break; }
845 println!("demuxing error");
848 let mut pkt = pktres.unwrap();
849 let src_id = pkt.get_stream().get_num();
850 match transcoder.encoders[src_id] {
851 OutputMode::Drop => {},
852 OutputMode::Copy(dst_id) => {
853 let dstr = mux.get_stream(dst_id as usize).unwrap();
854 pkt.reassign(dstr, pkt.get_time_information());
855 if mux.mux_frame(pkt).is_err() {
856 println!("error muxing packet");
860 OutputMode::Encode(dst_id, ref mut encoder, ref mut cvt) => {
861 if let Some((ref mut dsupp, ref mut decoder)) = transcoder.decoders[src_id] {
862 let ret = decoder.decode(dsupp, &pkt);
864 println!("error decoding stream {}", src_id);
867 let frm = ret.unwrap();
868 let buf = frm.get_buffer();
869 let cbuf = match cvt {
870 OutputConvert::None => buf,
871 OutputConvert::Video(ref mut scaler, ref mut dbuf) => {
872 let cur_ifmt = get_scale_fmt_from_pic(&buf);
873 let last_ifmt = scaler.get_in_fmt();
874 if cur_ifmt != last_ifmt {
875 let ofmt = scaler.get_out_fmt();
876 let ret = NAScale::new(cur_ifmt, ofmt);
878 println!("error re-initialising scaler for {} -> {}", cur_ifmt, ofmt);
881 *scaler = ret.unwrap();
883 let ret = scaler.convert(&buf, dbuf);
885 println!("error converting frame for encoding");
890 OutputConvert::Audio(ref dinfo, ref dchmap) => {
891 let ret = convert_audio_frame(&buf, dinfo, dchmap);
893 println!("error converting audio for stream {}", dst_id);
899 let cfrm = NAFrame::new(frm.get_time_information(), frm.frame_type, frm.key, frm.get_info(), cbuf);
900 encoder.encode(&cfrm).unwrap();
901 while let Ok(Some(pkt)) = encoder.get_packet() {
902 mux.mux_frame(pkt).unwrap();
905 println!("no decoder for stream {}", src_id);
911 'flush_loop: for enc in transcoder.encoders.iter_mut() {
913 OutputMode::Encode(str_id, ref mut encoder, _) => {
914 let ret = encoder.flush();
916 println!("error flushing encoder for stream {}", str_id);
919 while let Ok(Some(pkt)) = encoder.get_packet() {
920 if mux.mux_frame(pkt).is_err() {
921 println!("error muxing packet");
933 println!("error at finalising muxing");