+++ /dev/null
-extern crate sdl;
-extern crate nihav_core;
-extern crate nihav_registry;
-extern crate nihav_allstuff;
-
-use sdl::video::*;
-use sdl::audio::{DesiredAudioSpec, Channels, AudioFormat, AudioCallback};
-use sdl::event::{Event, Key};
-
-use std::env;
-use std::fs::File;
-use std::path::Path;
-use std::time::{Duration, SystemTime};
-use std::thread;
-use std::sync::mpsc;
-use std::sync::{Arc, Mutex};
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::str::FromStr;
-
-use nihav_registry::detect;
-use nihav_core::formats::*;
-use nihav_core::frame::*;
-use nihav_core::io::byteio::{FileReader, ByteReader};
-use nihav_core::reorder::*;
-use nihav_core::codecs::*;
-use nihav_core::demuxers::*;
-use nihav_core::scale::*;
-use nihav_core::soundcvt::*;
-use nihav_allstuff::*;
-
-const AUDIO_BUF_SIZE: usize = 1024;
-
-struct AudioFIFO {
- data: Vec<u8>,
- max_len: usize,
- pos: usize,
- end: usize,
- done: bool,
- full: bool,
-}
-
-impl AudioFIFO {
- fn new(len: usize, max_len: usize) -> Self {
- Self { data: vec![0; len], max_len, pos: 0, end: 0, done: false, full: false }
- }
- fn add(&mut self, src: &[u8]) -> bool {
- if self.done || self.full { return true; }
- if self.pos > 0 {
- for i in 0..(self.end - self.pos) {
- self.data[i] = self.data[i + self.pos];
- }
- self.end -= self.pos;
- self.pos = 0;
- }
- if self.end + src.len() > self.max_len {
- self.full = true;
- return false;
- }
- if self.end + src.len() > self.data.len() { self.data.resize(self.end + src.len(), 0); }
- (&mut self.data[self.end..][..src.len()]).copy_from_slice(src);
- self.end += src.len();
- true
- }
- fn consume(&mut self, dst: &mut [u8]) -> bool {
- if self.done { for el in dst.iter_mut() { *el = 0; } return true; }
- let size = dst.len();
- if self.end - self.pos < size { return false; }
- dst.copy_from_slice(&self.data[self.pos..][..size]);
- self.pos += size;
- if self.pos >= self.max_len / 2 { self.full = false; }
- true
- }
- fn finish(&mut self) {
- self.done = true;
- }
-}
-
-struct AudioConsumer {
- afifo: Arc<Mutex<AudioFIFO>>,
-}
-
-impl AudioConsumer {
- fn new(afifo: Arc<Mutex<AudioFIFO>>) -> Self { Self { afifo } }
-}
-
-impl AudioCallback for AudioConsumer {
- fn callback(&mut self, out: &mut [u8]) {
- let mut done = false;
- while !done {
- let ret = self.afifo.lock();
- if let Ok(mut afifo) = ret {
- done = afifo.consume(out);
- }
- if !done { thread::sleep(Duration::from_millis(400)); }
- }
- }
-}
-
-impl Drop for AudioConsumer {
- fn drop(&mut self) {
- let ret = self.afifo.lock();
- if let Ok(mut afifo) = ret {
- afifo.finish();
- }
- }
-}
-
-struct DecoderStuff {
- dsupp: Box<NADecoderSupport>,
- dec: Box<dyn NADecoder + Send>,
- reord: Box<dyn FrameReorderer + Send>,
-}
-
-enum SendEvent {
- Packet(NAPacket),
- EOF,
-}
-
-enum DisplayEvent {
- RGB(u64, NABufferRef<Surface>),
- YUV(u64, NABufferRef<Overlay>),
- Audio(NABufferType),
-}
-
-impl DisplayEvent {
- fn get_time(&self) -> u64 {
- match *self {
- DisplayEvent::RGB(time, _) => time,
- DisplayEvent::YUV(time, _) => time,
- _ => 0,
- }
- }
-}
-
-struct CommonMessages {
- receiver: mpsc::Receiver<SendEvent>,
- esend: mpsc::SyncSender<DisplayEvent>,
- ev_mtx: Arc<Mutex<isize>>,
- finished: Arc<AtomicBool>,
-}
-
-fn add_audio<T:Copy>(amtx: &mut Arc<Mutex<AudioFIFO>>, data: &[T]) {
- let len = std::mem::size_of::<T>() * data.len();
- let mut done = false;
- while !done {
- let ret = amtx.try_lock();
- if let Ok(mut afifo) = ret {
- unsafe {
- let u8_ptr = data.as_ptr();
- let u8_data = std::mem::transmute((u8_ptr, len));
- done = afifo.add(u8_data);
- }
- }
- if !done { std::thread::sleep(Duration::from_millis(100)); }
- }
-}
-
-fn open_audio(arate: u32, amtx: Arc<Mutex<AudioFIFO>>) -> NAAudioInfo {
- let dspec = DesiredAudioSpec {
- freq: arate as i32, format: AudioFormat::S16Lsb, channels: Channels::Stereo, samples: AUDIO_BUF_SIZE as u16,
- callback: Box::new(AudioConsumer::new(amtx))
- };
- let tspec = sdl::audio::open(dspec).unwrap();
-//println!("target spec: {} Hz fmt {:X} {} ch {} samp {} size", tspec.freq, tspec.format as u32, if tspec.channels == Channels::Stereo { 2 } else { 1 }, tspec.samples, tspec.size);
- sdl::audio::pause(true);
- let dst_ch = if tspec.channels == Channels::Stereo { 2 } else { 1 };
- let snd_fmt = match tspec.format {
- AudioFormat::U8 => SND_U8_FORMAT,
- AudioFormat::S8 => unimplemented!(),
- AudioFormat::U16Lsb => unimplemented!(),
- AudioFormat::S16Lsb => SND_S16_FORMAT,
- AudioFormat::U16Msb => unimplemented!(),
- AudioFormat::S16Msb => NASoniton { bits: 16, be: true, packed: false, planar: false, float: false, signed: true },
- };
- NAAudioInfo { sample_rate: tspec.freq as u32, channels: dst_ch, format: snd_fmt, block_len: 1024 }
-}
-
-fn start_audio_dec(audio_dec: Option<DecoderStuff>, dst_info: NAAudioInfo, cmsg: CommonMessages) -> thread::JoinHandle<()> {
- thread::spawn(move || {
- let mut audio_dec = audio_dec.unwrap();
- let dst_chmap = if dst_info.channels == 2 {
- NAChannelMap::from_str("L,R").unwrap()
- } else {
- NAChannelMap::from_str("C").unwrap()
- };
- loop {
- let ret = cmsg.receiver.recv();
- if ret.is_err() { break; }
- if let Ok(SendEvent::EOF) = ret { break; }
- let pkt = if let Ok(SendEvent::Packet(pkt)) = ret { pkt } else { unreachable!(); };
- let ret = audio_dec.dec.decode(&mut audio_dec.dsupp, &pkt);
- if let Ok(frm) = ret {
- let buf = frm.get_buffer();
- let out_buf = convert_audio_frame(&buf, &dst_info, &dst_chmap).unwrap();
- cmsg.esend.send(DisplayEvent::Audio(out_buf)).unwrap();
- let mut count = cmsg.ev_mtx.lock().unwrap();
- *count += 1;
- drop(count);
- thread::yield_now();
- } else {
- println!("error decoding audio");
- }
- }
- cmsg.finished.store(true, Ordering::Relaxed);
- })
-}
-
-fn start_video_dec(video_dec: Option<DecoderStuff>, ifmt: Option<NAVideoInfo>, width: usize, height: usize, tb_num: u32, tb_den: u32, cmsg: CommonMessages, scr_mtx: Arc<Mutex<NABufferRef<Surface>>>) -> thread::JoinHandle<()> {
- thread::spawn(move || {
- let mut ifmt = ifmt.unwrap();
- let mut video_dec = video_dec.unwrap();
- let rgb32_fmt = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
- comp_info: [
- Some(NAPixelChromaton { h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 0, next_elem: 4 }),
- Some(NAPixelChromaton { h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 1, next_elem: 4 }),
- Some(NAPixelChromaton { h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 2, next_elem: 4 }),
- None, None
- ], elem_size: 4, be: false, alpha: false, palette: false };
- let ofmt_rgb = ScaleInfo { width, height, fmt: rgb32_fmt };
- let ofmt_yuv = ScaleInfo { width, height, fmt: YUV420_FORMAT };
-
- let sc_ifmt = ScaleInfo { width: ifmt.get_width(), height: ifmt.get_height(), fmt: ifmt.get_format() };
- let mut do_yuv = if let ColorModel::YUV(_) = ifmt.get_format().get_model() { true } else { false };
- let ofmt = if do_yuv { ofmt_yuv } else { ofmt_rgb };
- let mut opic = alloc_video_buffer(NAVideoInfo::new(width, height, false, ofmt.fmt), 4).unwrap();
- let mut scaler = NAScale::new(sc_ifmt, ofmt).unwrap();
- loop {
- let ret = cmsg.receiver.recv();
- if ret.is_err() { break; }
- if let Ok(SendEvent::EOF) = ret { break; }
- let pkt = if let Ok(SendEvent::Packet(pkt)) = ret { pkt } else { unreachable!() };
- let ret = video_dec.dec.decode(&mut video_dec.dsupp, &pkt);
- if let Ok(frm) = ret {
- video_dec.reord.add_frame(frm);
- while let Some(frm) = video_dec.reord.get_frame() {
- let bt = frm.get_buffer();
- if let NABufferType::None = bt { continue; }
- let vinfo = bt.get_video_info().unwrap();
- if ifmt.get_width() != vinfo.get_width() ||
- ifmt.get_height() != vinfo.get_height() ||
- ifmt.get_format() != vinfo.get_format() {
-println!("reinit scaler!");
- ifmt = vinfo.clone();
- let sc_ifmt = ScaleInfo { width: ifmt.get_width(), height: ifmt.get_height(), fmt: ifmt.get_format() };
- do_yuv = if let ColorModel::YUV(_) = ifmt.get_format().get_model() { true } else { false };
- let ofmt = if do_yuv { ofmt_yuv } else { ofmt_rgb };
- opic = alloc_video_buffer(NAVideoInfo::new(width, height, false, ofmt.fmt), 4).unwrap();
- scaler = NAScale::new(sc_ifmt, ofmt).unwrap();
- }
- let ret = scaler.convert(&bt, &mut opic);
- if ret.is_err() { println!(" scaler error {:?}", ret.err()); continue; }
- ret.unwrap();
- let ts = frm.get_dts().unwrap_or(frm.get_pts().unwrap_or(0));
- let time = NATimeInfo::ts_to_time(ts, 1000, tb_num, tb_den);
-
- let buf = opic.get_vbuf().unwrap();
- if !do_yuv {
- let sstride = buf.get_stride(0);
- let src = buf.get_data();
- let surface = Surface::new(&[SurfaceFlag::SWSurface], width as isize, height as isize, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000).unwrap();
- let pitch = unsafe { (*surface.raw).pitch } as usize;
- surface.with_lock(|x: &mut [u8]| -> bool {
- let csize = sstride.min(pitch);
- for (dst, src) in x.chunks_mut(pitch).zip(src.chunks(sstride)) {
- (&mut dst[..csize]).copy_from_slice(&src[..csize]);
- }
- true
- });
- let mut count = cmsg.ev_mtx.lock().unwrap();
- cmsg.esend.send(DisplayEvent::RGB(time, NABufferRef::new(surface))).unwrap();
- *count += 1;
- } else {
- let screen = scr_mtx.lock().unwrap();
- let overlay = screen.create_overlay(width as isize, height as isize, OverlayFormat::YV12).unwrap();
- drop(screen);
- while !overlay.lock() {}
- let src = buf.get_data();
- let ysstride = buf.get_stride(0);
- let ysrc = &src[buf.get_offset(0)..];
- let usstride = buf.get_stride(2);
- let usrc = &src[buf.get_offset(2)..];
- let vsstride = buf.get_stride(1);
- let vsrc = &src[buf.get_offset(1)..];
- unsafe {
- let ydst = overlay.get_pixel_ptr(0);
- let ydstride = overlay.get_pitch(0);
- let udst = overlay.get_pixel_ptr(1);
- let udstride = overlay.get_pitch(1);
- let vdst = overlay.get_pixel_ptr(2);
- let vdstride = overlay.get_pitch(2);
- for (ydst, ysrc) in ydst.chunks_mut(ydstride).take(height).zip(ysrc.chunks(ysstride)) {
- (&mut ydst[..width]).copy_from_slice(&ysrc[..width]);
- }
- for (udst, usrc) in udst.chunks_mut(udstride).take(height).zip(usrc.chunks(usstride)) {
- (&mut udst[..width / 2]).copy_from_slice(&usrc[..width / 2]);
- }
- for (vdst, vsrc) in vdst.chunks_mut(vdstride).take(height).zip(vsrc.chunks(vsstride)) {
- (&mut vdst[..width / 2]).copy_from_slice(&vsrc[..width / 2]);
- }
- }
- overlay.unlock();
- let mut count = cmsg.ev_mtx.lock().unwrap();
- cmsg.esend.send(DisplayEvent::YUV(time, NABufferRef::new(overlay))).unwrap();
- *count += 1;
- }
- }
- } else {
- println!("error decoding video");
- }
- }
- cmsg.finished.store(true, Ordering::Relaxed);
- })
-}
-
-fn play_file(args: Vec<String>) {
-
- let mut cur_arg: usize = 1;
- let mut decode_audio = true;
- while (cur_arg < args.len()) && args[cur_arg].starts_with('-') {
- match args[cur_arg].as_str() {
- "--" => { break; },
- "-an" => { decode_audio = false; },
- _ => { println!("unknown option {}", args[cur_arg]); return; },
- }
- cur_arg += 1;
- }
- let name = args[cur_arg].as_str();
-
- let path = Path::new(name);
- let mut file = File::open(path).unwrap();
- let dmx_fact;
- let mut fr = FileReader::new_read(&mut file);
- let mut br = ByteReader::new(&mut fr);
- let res = detect::detect_format(name, &mut br);
- if res.is_none() {
- println!("cannot detect format for {}", name);
- return;
- }
- let (dmx_name, _) = res.unwrap();
- println!("trying demuxer {} on {}", dmx_name, name);
-
- let mut dmx_reg = RegisteredDemuxers::new();
- nihav_register_all_demuxers(&mut dmx_reg);
- let mut dec_reg = RegisteredDecoders::new();
- nihav_register_all_decoders(&mut dec_reg);
-
- dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap();
- br.seek(SeekFrom::Start(0)).unwrap();
- let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
-
- let mut width = 640;
- let mut height = 480;
- let mut ifmt = None;
- let mut tb_num = 0;
- let mut tb_den = 0;
- let mut arate = 0;
- let mut video_str = 0;
- let mut audio_str = 0;
-
- let mut video_dec: Option<DecoderStuff> = None;
- let mut audio_dec: Option<DecoderStuff> = None;
-
- for i in 0..dmx.get_num_streams() {
- let s = dmx.get_stream(i).unwrap();
- let info = s.get_info();
- let decfunc = dec_reg.find_decoder(info.get_name());
- println!("stream {} - {} {}", i, s, info.get_name());
- let str_id = s.get_id();
- if info.is_video() {
- if video_dec.is_none() {
- if decfunc.is_none() {
- println!("no video decoder for {} found!", info.get_name());
- return;
- }
- let mut dec = (decfunc.unwrap())();
- let mut dsupp = Box::new(NADecoderSupport::new());
- let props = info.get_properties().get_video_info().unwrap();
- if props.get_width() != 0 {
- width = props.get_width();
- height = props.get_height();
- ifmt = Some(props.clone());
- }
- let reorder_depth = 3;
- dsupp.pool_u8 = NAVideoBufferPool::new(reorder_depth);
- dsupp.pool_u16 = NAVideoBufferPool::new(reorder_depth);
- dsupp.pool_u32 = NAVideoBufferPool::new(reorder_depth);
- dec.init(&mut dsupp, info).unwrap();
- let reord = Box::new(IPBReorderer::new());
- video_dec = Some(DecoderStuff{ dsupp, dec, reord });
- video_str = str_id;
- let (tbn, tbd) = s.get_timebase();
- tb_num = tbn;
- tb_den = tbd;
- }
- } else if info.is_audio() {
- if audio_dec.is_none() && decode_audio {
- if decfunc.is_none() {
- println!("no audio decoder for {} found!", info.get_name());
- } else {
- let mut dec = (decfunc.unwrap())();
- let mut dsupp = Box::new(NADecoderSupport::new());
- let props = info.get_properties().get_audio_info().unwrap();
- arate = props.get_sample_rate();
- dec.init(&mut dsupp, info).unwrap();
- let reord = Box::new(NoReorderer::new());
- audio_dec = Some(DecoderStuff{ dsupp, dec, reord });
- audio_str = str_id;
- }
- }
- } else {
- println!("decoder {} not found", info.get_name());
- }
- }
-
- while (width <= 384) && (height <= 288) {
- width <<= 1;
- height <<= 1;
- }
-
- sdl::init(&[sdl::InitFlag::Video, sdl::InitFlag::Audio]);
- sdl::wm::set_caption("NihAV Player", "nihav-player");
- let screen = match sdl::video::set_video_mode(width as isize, height as isize, 32,
- &[SurfaceFlag::HWSurface, SurfaceFlag::AsyncBlit, SurfaceFlag::HWAccel],
- &[VideoFlag::DoubleBuf]) {
- Ok(screen) => screen,
- Err(err) => panic!("failed to set video mode: {}", err)
- };
-
- let (vsend, vrecv) = mpsc::sync_channel::<SendEvent>(0);
- let (asend, arecv) = mpsc::sync_channel::<SendEvent>(0);
- let (esend, erecv) = mpsc::sync_channel::<DisplayEvent>(50);
- let events_mtx = Arc::new(Mutex::new(0isize));
-
- let has_audio = audio_dec.is_some();
- let mut amtx = Arc::new(Mutex::new(AudioFIFO::new((arate * 8) as usize, (arate * 80) as usize)));
- let aud_finished = Arc::new(AtomicBool::new(!has_audio));
- let audio_thread = if has_audio {
- let ainfo = open_audio(arate, amtx.clone());
- let cmsg = CommonMessages {
- receiver: arecv,
- esend: esend.clone(),
- ev_mtx: events_mtx.clone(),
- finished: aud_finished.clone(),
- };
- Some(start_audio_dec(audio_dec, ainfo, cmsg))
- } else { None };
-
- let has_video = video_dec.is_some();
- let video_thread: Option<thread::JoinHandle<()>>;
- let scr_mtx = Arc::new(Mutex::new(NABufferRef::new(screen)));
- let vid_finished = Arc::new(AtomicBool::new(!has_video));
- if has_video {
- let cmsg = CommonMessages {
- receiver: vrecv,
- esend: esend,
- ev_mtx: events_mtx.clone(),
- finished: vid_finished.clone(),
- };
- video_thread = Some(start_video_dec(video_dec, ifmt, width, height, tb_num, tb_den, cmsg, scr_mtx.clone()));
- } else {
- video_thread = None;
- };
-
- let mut frame_queue: Vec<DisplayEvent> = Vec::new();
-
- let systime = SystemTime::now();
- let mut has_data = true;
-
- 'main : loop {
- 'event : loop {
- match sdl::event::poll_event() {
- Event::Quit => break 'main,
- Event::None => break 'event,
- Event::Key(k, _, _, _)
- if k == Key::Escape || k == Key::Q
- => break 'main,
- Event::Key(k, _, _, _)
- if k == Key::Space
- => continue 'event,
- _ => {}
- }
- }
- if has_data {
- let pktres = dmx.get_frame();
- if let Err(DemuxerError::EOF) = pktres {
- has_data = false;
- if has_video {
- vsend.send(SendEvent::EOF).unwrap();
- }
- if has_audio {
- asend.send(SendEvent::EOF).unwrap();
- }
- } else if let Err(_) = pktres {
- break;
- } else if let Ok(pkt) = pktres {
- let streamno = pkt.get_stream().get_id();
-
- if has_video && streamno == video_str {
- vsend.send(SendEvent::Packet(pkt)).unwrap();
- } else if has_audio && streamno == audio_str {
- asend.send(SendEvent::Packet(pkt)).unwrap();
- }
- }
- }
-
- let mut nevents = events_mtx.lock().unwrap();
- while *nevents > 0 {
- *nevents -= 1;
- let ret = erecv.recv();
- if ret.is_err() { break 'main; }
- let mut disp_evt = ret.unwrap();
- match disp_evt {
- DisplayEvent::Audio(ref mut out_buf) => {
- unsafe { sdl::audio::ll::SDL_LockAudio(); }
- match out_buf {
- NABufferType::AudioPacked(buf) => add_audio(&mut amtx, buf.get_data()),
- NABufferType::AudioU8(buf) => add_audio(&mut amtx, buf.get_data()),
- NABufferType::AudioI16(buf) => add_audio(&mut amtx, buf.get_data()),
- NABufferType::AudioI32(buf) => add_audio(&mut amtx, buf.get_data()),
- NABufferType::AudioF32(buf) => add_audio(&mut amtx, buf.get_data()),
- _ => unreachable!(),
- };
- unsafe { sdl::audio::ll::SDL_UnlockAudio(); }
- sdl::audio::pause(false);
- },
- _ => { frame_queue.push(disp_evt); },
- };
- }
- drop(nevents);
- if vid_finished.load(Ordering::Relaxed) &&
- aud_finished.load(Ordering::Relaxed) && frame_queue.len() == 0 {
- break;
- }
-
- if frame_queue.len() > 0 {
- let cur_time = systime.elapsed().unwrap();
- let disp_time = Duration::from_millis(frame_queue[0].get_time());
-
-//println!("cur time {:?} disp time {:?}", cur_time, disp_time);
- if (disp_time <= cur_time + Duration::from_millis(10)) && disp_time + Duration::from_millis(10) >= cur_time {
- let screen = scr_mtx.lock().unwrap();
- let disp_evt = frame_queue.remove(0);
- match disp_evt {
- DisplayEvent::RGB(_, ref surf) => {
- screen.blit(surf);
- screen.flip();
- },
- DisplayEvent::YUV(_, ref ovl) => {
- ovl.display(Some(screen.get_rect()));
- },
- _ => {},
- };
- } else if disp_time > cur_time {
- let diff = disp_time - cur_time;
- if diff > Duration::from_millis(20) {
- thread::sleep(Duration::from_millis(20));
- } else {
- thread::sleep(diff);
- }
- } else {
- frame_queue.remove(0);
- }
- }
- }
-
- if has_audio {
- unsafe { sdl::audio::ll::SDL_LockAudio(); }
- let mut afifo = amtx.lock().unwrap();
- afifo.finish();
- drop(afifo);
- unsafe { sdl::audio::ll::SDL_UnlockAudio(); }
- sdl::audio::pause(true);
- }
- drop(vsend);
- drop(asend);
- if let Some(vthread) = video_thread {
- vthread.join().unwrap();
- }
- if let Some(athread) = audio_thread {
- athread.join().unwrap();
- }
-
- if has_audio {
- sdl::audio::close();
- }
-}
-
-fn main() {
- let args: Vec<String> = env::args().collect();
-
- if args.len() == 1 {
- println!("usage: nihav-player input");
- return;
- }
-
- play_file(args);
-
- sdl::quit();
-}
projects / nihav-player.git / blobdiff