initial player implementation

2 files changed, 599 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ce06b0e
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "nihav-player"
+version = "0.1.0"
+authors = ["Kostya Shishkov <kostya.shishkov@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+nihav_core = { path="../nihav-core" }
+nihav_allstuff = { path="../nihav-allstuff" }
+sdl = { path="./rust-sdl" }
+
+#sdl2 = "^0.32"
+#download_sdl2 = "0.0.3"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..e0c9340
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,586 @@
+extern crate sdl;
+extern crate nihav_core;
+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_core::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(name: &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_codecs(&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() {
+                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<_> = env::args().collect();
+
+    if args.len() == 1 {
+        println!("usage: nihav-player input");
+        return;
+    }
+    let name = args[1].as_str();
+
+    play_file(name);
+
+    sdl::quit();
+}