-use std::io::SeekFrom;
-use nihav_core::codecs::*;
-use nihav_core::demuxers::*;
-use nihav_core::muxers::*;
-use nihav_registry::detect;
-use nihav_core::io::byteio::ByteIO;
-use nihav_core::sbbox::*;
-use nihav_allstuff::*;
-use crate::null::*;
-use crate::imgseq::*;
-
-pub struct FullRegister {
- pub dmx_reg: RegisteredDemuxers,
- pub rdmx_reg: RegisteredRawDemuxers,
- pub pkt_reg: RegisteredPacketisers,
- pub dec_reg: RegisteredDecoders,
- pub enc_reg: RegisteredEncoders,
- pub mux_reg: RegisteredMuxers,
-}
-
-impl FullRegister {
- pub fn new() -> Self {
- let mut dmx_reg = RegisteredDemuxers::new();
- nihav_register_all_demuxers(&mut dmx_reg);
- let mut rdmx_reg = RegisteredRawDemuxers::new();
- nihav_register_all_raw_demuxers(&mut rdmx_reg);
- let mut dec_reg = RegisteredDecoders::new();
- nihav_register_all_decoders(&mut dec_reg);
- let mut pkt_reg = RegisteredPacketisers::new();
- nihav_register_all_packetisers(&mut pkt_reg);
- let mut enc_reg = RegisteredEncoders::new();
- nihav_register_all_encoders(&mut enc_reg);
- enc_reg.add_encoder(NULL_ENCODER);
- let mut mux_reg = RegisteredMuxers::new();
- nihav_register_all_muxers(&mut mux_reg);
- mux_reg.add_muxer(NULL_MUXER);
- Self { dmx_reg, rdmx_reg, pkt_reg, dec_reg, enc_reg, mux_reg }
- }
-}
-
-pub struct RawStreamCtx<'a> {
- stream: NAStreamRef,
- sm: StreamManager,
- packetiser: Box<dyn NAPacketiser + Send>,
- br: &'a mut dyn ByteIO,
- pts: u64,
-}
-
-impl<'a> RawStreamCtx<'a> {
- fn new(stream: NAStreamRef, packetiser: Box<dyn NAPacketiser + Send>, br: &'a mut dyn ByteIO) -> Self {
- let mut sm = StreamManager::new();
- sm.add_stream_ref(stream.clone());
- Self { stream, sm, packetiser, br, pts: 0 }
- }
-}
-
-type ReaderBox = Box<dyn ByteIO>;
-
-pub enum DemuxerObject<'a> {
- None,
- Normal(SBBox<ReaderBox, Demuxer<'a>>),
- Raw(SBBox<ReaderBox, RawDemuxer<'a>>, Vec<Option<Box<dyn NAPacketiser + Send>>>, bool),
- RawStream(SBBox<ReaderBox, RawStreamCtx<'a>>),
- ImageSequence(ImgSeqDemuxer),
-}
-
-impl<'a> DemuxerObject<'a> {
- pub fn create(mut br: ReaderBox, reg: &FullRegister, name: &str, ifmt: &Option<String>, is_raw: bool, print_info: bool) -> DemuxerObject<'a> {
- if !is_raw {
- let dmx_name = if let Some(ref dname) = ifmt {
- dname.as_str()
- } else if let Some((dname, score)) = detect::detect_format(name, &mut *br) {
- if print_info {
- println!("detected {} with score {:?}", dname, score);
- }
- dname
- } else {
- ""
- };
- if !dmx_name.is_empty() {
- if print_info {
- println!("trying demuxer {} on {}", dmx_name, name);
- }
- if let Some(dmx_fact) = reg.dmx_reg.find_demuxer(dmx_name) {
- br.seek(SeekFrom::Start(0)).unwrap();
-
- let ret = SelfBorrow::try_new(br, |br_| {
- unsafe {
- create_demuxer(dmx_fact, (*br_).as_mut()).ok()
- }
- });
- if let Ok(dmx) = ret {
- return DemuxerObject::Normal(dmx);
- } else {
- println!("demuxer creation failed!");
- return DemuxerObject::None;
- }
- }
- }
- if ifmt.is_some() {
- return DemuxerObject::None;
- }
- if !dmx_name.is_empty() {
- if print_info {
- println!("trying raw demuxer {} on {}", dmx_name, name);
- }
- if let Some(rdmx_fact) = reg.rdmx_reg.find_demuxer(dmx_name) {
- br.seek(SeekFrom::Start(0)).unwrap();
- let ret = SelfBorrow::try_new(br, |br_| {
- unsafe {
- create_raw_demuxer(rdmx_fact, (*br_).as_mut()).ok()
- }
- });
- if let Ok(dmx) = ret {
- let mut pkts = Vec::new();
- for stream in dmx.get_object().get_streams() {
- if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) {
- let mut packetiser = (pcreate)();
- packetiser.attach_stream(stream);
- pkts.push(Some(packetiser));
- } else {
- pkts.push(None);
- }
- }
- return DemuxerObject::Raw(dmx, pkts, false);
- } else {
- println!("raw demuxer creation failed!");
- return DemuxerObject::None;
- }
- }
- }
- for rdmx in reg.rdmx_reg.iter() {
- if rdmx.check_format(&mut *br) {
- if print_info {
- println!("detected {} as {}", name, rdmx.get_name());
- }
- br.seek(SeekFrom::Start(0)).unwrap();
- let ret = SelfBorrow::try_new(br, |br_| {
- unsafe {
- create_raw_demuxer(*rdmx, (*br_).as_mut()).ok()
- }
- });
- if let Ok(dmx) = ret {
- let mut pkts = Vec::new();
- for stream in dmx.get_object().get_streams() {
- if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) {
- let packetiser = (pcreate)();
- pkts.push(Some(packetiser));
- } else {
- pkts.push(None);
- }
- }
- return DemuxerObject::Raw(dmx, pkts, false);
- } else {
- println!("raw demuxer creation failed!");
- return DemuxerObject::None;
- }
- }
- }
- }
- br.seek(SeekFrom::Start(0)).unwrap();
- let mut buf = vec![0; 1048576];
- let size = if let Ok(val) = br.peek_buf(&mut buf) { val } else {
- println!("cannot read any data");
- return DemuxerObject::None;
- };
- let mut pname = "";
-
- for pinfo in reg.pkt_reg.iter() {
- let mut packetiser = (pinfo.get_packetiser)();
- packetiser.add_data(&buf[..size]);
- if packetiser.parse_stream(0).is_ok() {
- pname = pinfo.name;
- break;
- }
- }
- if !pname.is_empty() {
- if print_info {
- println!("found raw stream of type {} for {}", pname, name);
- }
- let pcreate = reg.pkt_reg.find_packetiser(pname).unwrap();
- let rctx = SelfBorrow::new(br, |br_| {
- unsafe {
- let mut packetiser = (pcreate)();
- packetiser.add_data(&buf[..size]);
- let stream = packetiser.parse_stream(0).unwrap();
- packetiser.reset();
- RawStreamCtx::new(stream, packetiser, (*br_).as_mut())
- }
- });
- DemuxerObject::RawStream(rctx)
- } else {
- DemuxerObject::None
- }
- }
- pub fn create_imgseq(isd: ImgSeqDemuxer) -> Self {
- DemuxerObject::ImageSequence(isd)
- }
- pub fn is_none(&self) -> bool {
- matches!(*self, DemuxerObject::None)
- }
- pub fn get_duration(&self) -> u64 {
- match *self {
- DemuxerObject::Normal(ref dmx) => dmx.get_object().get_duration(),
- DemuxerObject::Raw(ref dmx, _, _) => dmx.get_object().get_duration(),
- DemuxerObject::RawStream(ref ctx) => {
- NATimeInfo::rescale_ts(ctx.get_object().stream.duration, ctx.get_object().stream.tb_num, ctx.get_object().stream.tb_den, 1, 1000)
- },
- _ => 0,
- }
- }
- pub fn get_num_streams(&self) -> usize {
- match *self {
- DemuxerObject::None => 0,
- DemuxerObject::Normal(ref dmx) => dmx.get_object().get_num_streams(),
- DemuxerObject::Raw(ref dmx, _, _) => dmx.get_object().get_num_streams(),
- DemuxerObject::RawStream(_) => 1,
- DemuxerObject::ImageSequence(_) => 1,
- }
- }
- pub fn get_stream(&self, idx: usize) -> Option<NAStreamRef> {
- match *self {
- DemuxerObject::Normal(ref dmx) => dmx.get_object().get_stream(idx),
- DemuxerObject::Raw(ref dmx, _, _) => dmx.get_object().get_stream(idx),
- DemuxerObject::RawStream(ref ctx) if idx == 0 => Some(ctx.get_object().stream.clone()),
- DemuxerObject::ImageSequence(ref ctx) if idx == 0 => Some(ctx.stream.clone()),
- _ => None,
- }
- }
- /*pub fn get_streams(&self) -> StreamIter {
- match *self {
- DemuxerObject::Normal(ref dmx) => dmx.get_object().get_streams(),
- DemuxerObject::Raw(ref dmx, _, _) => dmx.get_object().get_streams(),
- DemuxerObject::RawStream(ref ctx) => ctx.get_object().sm.iter(),
- DemuxerObject::ImageSequence(ref ctx) => ctx.sm.iter(),
- _ => unreachable!(),
- }
- }*/
- pub fn get_stream_manager(&self) -> &StreamManager {
- match *self {
- DemuxerObject::Normal(ref dmx) => dmx.get_object().get_stream_manager(),
- DemuxerObject::Raw(ref dmx, _, _) => dmx.get_object().get_stream_manager(),
- DemuxerObject::RawStream(ref ctx) => &ctx.get_object().sm,
- DemuxerObject::ImageSequence(ref ctx) => &ctx.sm,
- _ => unreachable!(),
- }
- }
- pub fn get_frame(&mut self) -> DemuxerResult<NAPacket> {
- match *self {
- DemuxerObject::Normal(ref mut dmx) => dmx.get_object_mut().get_frame(),
- DemuxerObject::Raw(ref mut dmx, ref mut packetisers, ref mut eof) => {
- let dmx = dmx.get_object_mut();
- loop {
- let mut has_some = false;
- for (stream, p) in dmx.get_streams().zip(packetisers.iter_mut()) {
- if let Some(ref mut pkts) = p {
- match pkts.get_packet(stream.clone()) {
- Ok(Some(pkt)) => return Ok(pkt),
- Ok(None) | Err(DecoderError::ShortData) => {
- if *eof {
- *p = None;
- }
- },
- Err(err) => {
- println!("packetisation error {:?}", err);
- return Err(DemuxerError::InvalidData);
- }
- };
- has_some |= p.is_some();
- }
- }
- if !has_some {
- return Err(DemuxerError::EOF);
- }
- if let Ok(data) = dmx.get_data() {
- let id = data.get_stream().get_id();
- for (i, stream) in dmx.get_streams().enumerate() {
- if stream.get_id() == id {
- if let Some(ref mut pkts) = packetisers[i] {
- pkts.add_data(&data.get_buffer());
- }
- break;
- }
- }
- } else {
- *eof = true;
- }
- }
- },
- DemuxerObject::RawStream(ref mut ctx) => {
- let ctx = ctx.get_object_mut();
- let mut buf = [0; 65536];
- loop {
- match ctx.packetiser.get_packet(ctx.stream.clone()) {
- Ok(Some(mut packet)) => {
- if packet.get_pts().is_none() && packet.get_duration().is_some() {
- packet.ts.pts = Some(ctx.pts);
- }
- ctx.pts += packet.get_duration().unwrap_or(0);
- return Ok(packet);
- },
- Ok(None) => {},
- Err(DecoderError::ShortData) => {},
- _ => return Err(DemuxerError::InvalidData),
- };
- match ctx.br.read_buf_some(&mut buf) {
- Ok(size) => {
- ctx.packetiser.add_data(&buf[..size]);
- },
- Err(_) => {
- match ctx.packetiser.get_packet(ctx.stream.clone()) {
- Ok(Some(mut packet)) => {
- if packet.get_pts().is_none() && packet.get_duration().is_some() {
- packet.ts.pts = Some(ctx.pts);
- }
- ctx.pts += packet.get_duration().unwrap_or(0);
- return Ok(packet);
- },
- Ok(None) | Err(DecoderError::ShortData) => return Err(DemuxerError::EOF),
- _ => return Err(DemuxerError::InvalidData),
- };
- },
- };
- }
- },
- DemuxerObject::ImageSequence(ref mut ctx) => ctx.get_frame(),
- _ => unreachable!(),
- }
- }
- pub fn seek(&mut self, seek_time: NATimePoint) -> DemuxerResult<()> {
- match *self {
- DemuxerObject::Normal(ref mut dmx) => dmx.get_object_mut().seek(seek_time),
- DemuxerObject::Raw(ref mut dmx, _, _) => dmx.get_object_mut().seek(seek_time),
- DemuxerObject::ImageSequence(ref mut ctx) => ctx.seek(seek_time),
- _ => Err(DemuxerError::NotImplemented),
- }
- }
-}
-
-impl<'a> NAOptionHandler for DemuxerObject<'a> {
- fn get_supported_options(&self) -> &[NAOptionDefinition] {
- match *self {
- DemuxerObject::Normal(ref dmx) => dmx.get_object().get_supported_options(),
- DemuxerObject::Raw(ref dmx, _, _) => dmx.get_object().get_supported_options(),
- DemuxerObject::ImageSequence(ref ctx) => ctx.get_supported_options(),
- _ => &[],
- }
- }
- fn set_options(&mut self, options: &[NAOption]) {
- match *self {
- DemuxerObject::Normal(ref mut dmx) => dmx.get_object_mut().set_options(options),
- DemuxerObject::Raw(ref mut dmx, _, _) => dmx.get_object_mut().set_options(options),
- DemuxerObject::ImageSequence(ref mut ctx) => ctx.set_options(options),
- _ => {},
- }
- }
- fn query_option_value(&self, name: &str) -> Option<NAValue> {
- match *self {
- DemuxerObject::Normal(ref dmx) => dmx.get_object().query_option_value(name),
- DemuxerObject::Raw(ref dmx, _, _) => dmx.get_object().query_option_value(name),
- DemuxerObject::ImageSequence(ref ctx) => ctx.query_option_value(name),
- _ => None,
- }
- }
-}
-
-pub fn detect_tags(br: &mut dyn ByteIO) -> (bool, u64, Option<u64>) {
- let mut is_raw = false;
- let mut start = 0;
- let mut end = None;
-
- // check for ID3v{2-4}
- let mut buf = [0; 5];
- if br.peek_buf(&mut buf).is_err() {
- return (false, 0, None);
- }
- if &buf[0..3] == b"ID3" && buf[3] > 0 && buf[3] < 5 && buf[4] == 0 { //ID3 tag found, must be a raw stream
- br.read_skip(6).unwrap();
- let mut size = 0;
- for _ in 0..4 {
- let b = br.read_byte().unwrap();
- if (b & 0x80) != 0 {
- println!("Invalid ID3 size");
- break;
- }
- size = (size << 7) | u64::from(b);
- }
- start = size + 10;
- is_raw = true;
- }
- // check for ID3v1
- br.seek(SeekFrom::End(-128)).unwrap();
- let off = br.tell();
- br.peek_buf(&mut buf[..3]).unwrap();
- if &buf[0..3] == b"TAG" {
- end = Some(off);
- }
- // check for APETAG
- let mut buf = [0; 8];
- if let Some(off) = end {
- br.seek(SeekFrom::Start(off - 32)).unwrap();
- } else {
- br.seek(SeekFrom::End(-32)).unwrap();
- }
- let off = br.tell();
- br.read_buf(&mut buf).unwrap();
- if &buf == b"APETAGEX" {
- let ver = br.read_u32le().unwrap();
- let size = u64::from(br.read_u32le().unwrap());
- let _items = br.read_u32le().unwrap();
- let flags = br.read_u32le().unwrap();
- if ver == 1000 || (flags & 0x80000000) == 0 {
- end = Some(off - size + 32);
- } else {
- end = Some(off - size);
- }
- }
-
- (is_raw, start, end)
-}
projects / nihav-encoder.git / commitdiff