| 1 | extern crate sdl; |
| 2 | extern crate nihav_core; |
| 3 | extern crate nihav_registry; |
| 4 | extern crate nihav_allstuff; |
| 5 | |
| 6 | use sdl::video::*; |
| 7 | use sdl::audio::{DesiredAudioSpec, Channels, AudioFormat, AudioCallback}; |
| 8 | use sdl::event::{Event, Key}; |
| 9 | |
| 10 | use std::env; |
| 11 | use std::fs::File; |
| 12 | use std::path::Path; |
| 13 | use std::time::{Duration, SystemTime}; |
| 14 | use std::thread; |
| 15 | use std::sync::mpsc; |
| 16 | use std::sync::{Arc, Mutex}; |
| 17 | use std::sync::atomic::{AtomicBool, Ordering}; |
| 18 | use std::str::FromStr; |
| 19 | |
| 20 | use nihav_registry::detect; |
| 21 | use nihav_core::formats::*; |
| 22 | use nihav_core::frame::*; |
| 23 | use nihav_core::io::byteio::{FileReader, ByteReader}; |
| 24 | use nihav_core::reorder::*; |
| 25 | use nihav_core::codecs::*; |
| 26 | use nihav_core::demuxers::*; |
| 27 | use nihav_core::scale::*; |
| 28 | use nihav_core::soundcvt::*; |
| 29 | use nihav_allstuff::*; |
| 30 | |
| 31 | const AUDIO_BUF_SIZE: usize = 1024; |
| 32 | |
| 33 | struct AudioFIFO { |
| 34 | data: Vec<u8>, |
| 35 | max_len: usize, |
| 36 | pos: usize, |
| 37 | end: usize, |
| 38 | done: bool, |
| 39 | full: bool, |
| 40 | } |
| 41 | |
| 42 | impl AudioFIFO { |
| 43 | fn new(len: usize, max_len: usize) -> Self { |
| 44 | Self { data: vec![0; len], max_len, pos: 0, end: 0, done: false, full: false } |
| 45 | } |
| 46 | fn add(&mut self, src: &[u8]) -> bool { |
| 47 | if self.done || self.full { return true; } |
| 48 | if self.pos > 0 { |
| 49 | for i in 0..(self.end - self.pos) { |
| 50 | self.data[i] = self.data[i + self.pos]; |
| 51 | } |
| 52 | self.end -= self.pos; |
| 53 | self.pos = 0; |
| 54 | } |
| 55 | if self.end + src.len() > self.max_len { |
| 56 | self.full = true; |
| 57 | return false; |
| 58 | } |
| 59 | if self.end + src.len() > self.data.len() { self.data.resize(self.end + src.len(), 0); } |
| 60 | (&mut self.data[self.end..][..src.len()]).copy_from_slice(src); |
| 61 | self.end += src.len(); |
| 62 | true |
| 63 | } |
| 64 | fn consume(&mut self, dst: &mut [u8]) -> bool { |
| 65 | if self.done { for el in dst.iter_mut() { *el = 0; } return true; } |
| 66 | let size = dst.len(); |
| 67 | if self.end - self.pos < size { return false; } |
| 68 | dst.copy_from_slice(&self.data[self.pos..][..size]); |
| 69 | self.pos += size; |
| 70 | if self.pos >= self.max_len / 2 { self.full = false; } |
| 71 | true |
| 72 | } |
| 73 | fn finish(&mut self) { |
| 74 | self.done = true; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | struct AudioConsumer { |
| 79 | afifo: Arc<Mutex<AudioFIFO>>, |
| 80 | } |
| 81 | |
| 82 | impl AudioConsumer { |
| 83 | fn new(afifo: Arc<Mutex<AudioFIFO>>) -> Self { Self { afifo } } |
| 84 | } |
| 85 | |
| 86 | impl AudioCallback for AudioConsumer { |
| 87 | fn callback(&mut self, out: &mut [u8]) { |
| 88 | let mut done = false; |
| 89 | while !done { |
| 90 | let ret = self.afifo.lock(); |
| 91 | if let Ok(mut afifo) = ret { |
| 92 | done = afifo.consume(out); |
| 93 | } |
| 94 | if !done { thread::sleep(Duration::from_millis(400)); } |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | impl Drop for AudioConsumer { |
| 100 | fn drop(&mut self) { |
| 101 | let ret = self.afifo.lock(); |
| 102 | if let Ok(mut afifo) = ret { |
| 103 | afifo.finish(); |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | struct DecoderStuff { |
| 109 | dsupp: Box<NADecoderSupport>, |
| 110 | dec: Box<dyn NADecoder + Send>, |
| 111 | reord: Box<dyn FrameReorderer + Send>, |
| 112 | } |
| 113 | |
| 114 | enum SendEvent { |
| 115 | Packet(NAPacket), |
| 116 | EOF, |
| 117 | } |
| 118 | |
| 119 | enum DisplayEvent { |
| 120 | RGB(u64, NABufferRef<Surface>), |
| 121 | YUV(u64, NABufferRef<Overlay>), |
| 122 | Audio(NABufferType), |
| 123 | } |
| 124 | |
| 125 | impl DisplayEvent { |
| 126 | fn get_time(&self) -> u64 { |
| 127 | match *self { |
| 128 | DisplayEvent::RGB(time, _) => time, |
| 129 | DisplayEvent::YUV(time, _) => time, |
| 130 | _ => 0, |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | struct CommonMessages { |
| 136 | receiver: mpsc::Receiver<SendEvent>, |
| 137 | esend: mpsc::SyncSender<DisplayEvent>, |
| 138 | ev_mtx: Arc<Mutex<isize>>, |
| 139 | finished: Arc<AtomicBool>, |
| 140 | } |
| 141 | |
| 142 | fn add_audio<T:Copy>(amtx: &mut Arc<Mutex<AudioFIFO>>, data: &[T]) { |
| 143 | let len = std::mem::size_of::<T>() * data.len(); |
| 144 | let mut done = false; |
| 145 | while !done { |
| 146 | let ret = amtx.try_lock(); |
| 147 | if let Ok(mut afifo) = ret { |
| 148 | unsafe { |
| 149 | let u8_ptr = data.as_ptr(); |
| 150 | let u8_data = std::mem::transmute((u8_ptr, len)); |
| 151 | done = afifo.add(u8_data); |
| 152 | } |
| 153 | } |
| 154 | if !done { std::thread::sleep(Duration::from_millis(100)); } |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | fn open_audio(arate: u32, amtx: Arc<Mutex<AudioFIFO>>) -> NAAudioInfo { |
| 159 | let dspec = DesiredAudioSpec { |
| 160 | freq: arate as i32, format: AudioFormat::S16Lsb, channels: Channels::Stereo, samples: AUDIO_BUF_SIZE as u16, |
| 161 | callback: Box::new(AudioConsumer::new(amtx)) |
| 162 | }; |
| 163 | let tspec = sdl::audio::open(dspec).unwrap(); |
| 164 | //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); |
| 165 | sdl::audio::pause(true); |
| 166 | let dst_ch = if tspec.channels == Channels::Stereo { 2 } else { 1 }; |
| 167 | let snd_fmt = match tspec.format { |
| 168 | AudioFormat::U8 => SND_U8_FORMAT, |
| 169 | AudioFormat::S8 => unimplemented!(), |
| 170 | AudioFormat::U16Lsb => unimplemented!(), |
| 171 | AudioFormat::S16Lsb => SND_S16_FORMAT, |
| 172 | AudioFormat::U16Msb => unimplemented!(), |
| 173 | AudioFormat::S16Msb => NASoniton { bits: 16, be: true, packed: false, planar: false, float: false, signed: true }, |
| 174 | }; |
| 175 | NAAudioInfo { sample_rate: tspec.freq as u32, channels: dst_ch, format: snd_fmt, block_len: 1024 } |
| 176 | } |
| 177 | |
| 178 | fn start_audio_dec(audio_dec: Option<DecoderStuff>, dst_info: NAAudioInfo, cmsg: CommonMessages) -> thread::JoinHandle<()> { |
| 179 | thread::spawn(move || { |
| 180 | let mut audio_dec = audio_dec.unwrap(); |
| 181 | let dst_chmap = if dst_info.channels == 2 { |
| 182 | NAChannelMap::from_str("L,R").unwrap() |
| 183 | } else { |
| 184 | NAChannelMap::from_str("C").unwrap() |
| 185 | }; |
| 186 | loop { |
| 187 | let ret = cmsg.receiver.recv(); |
| 188 | if ret.is_err() { break; } |
| 189 | if let Ok(SendEvent::EOF) = ret { break; } |
| 190 | let pkt = if let Ok(SendEvent::Packet(pkt)) = ret { pkt } else { unreachable!(); }; |
| 191 | let ret = audio_dec.dec.decode(&mut audio_dec.dsupp, &pkt); |
| 192 | if let Ok(frm) = ret { |
| 193 | let buf = frm.get_buffer(); |
| 194 | let out_buf = convert_audio_frame(&buf, &dst_info, &dst_chmap).unwrap(); |
| 195 | cmsg.esend.send(DisplayEvent::Audio(out_buf)).unwrap(); |
| 196 | let mut count = cmsg.ev_mtx.lock().unwrap(); |
| 197 | *count += 1; |
| 198 | drop(count); |
| 199 | thread::yield_now(); |
| 200 | } else { |
| 201 | println!("error decoding audio"); |
| 202 | } |
| 203 | } |
| 204 | cmsg.finished.store(true, Ordering::Relaxed); |
| 205 | }) |
| 206 | } |
| 207 | |
| 208 | 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<()> { |
| 209 | thread::spawn(move || { |
| 210 | let mut ifmt = ifmt.unwrap(); |
| 211 | let mut video_dec = video_dec.unwrap(); |
| 212 | let rgb32_fmt = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3, |
| 213 | comp_info: [ |
| 214 | Some(NAPixelChromaton { h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 0, next_elem: 4 }), |
| 215 | Some(NAPixelChromaton { h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 1, next_elem: 4 }), |
| 216 | Some(NAPixelChromaton { h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 2, next_elem: 4 }), |
| 217 | None, None |
| 218 | ], elem_size: 4, be: false, alpha: false, palette: false }; |
| 219 | let ofmt_rgb = ScaleInfo { width, height, fmt: rgb32_fmt }; |
| 220 | let ofmt_yuv = ScaleInfo { width, height, fmt: YUV420_FORMAT }; |
| 221 | |
| 222 | let sc_ifmt = ScaleInfo { width: ifmt.get_width(), height: ifmt.get_height(), fmt: ifmt.get_format() }; |
| 223 | let mut do_yuv = if let ColorModel::YUV(_) = ifmt.get_format().get_model() { true } else { false }; |
| 224 | let ofmt = if do_yuv { ofmt_yuv } else { ofmt_rgb }; |
| 225 | let mut opic = alloc_video_buffer(NAVideoInfo::new(width, height, false, ofmt.fmt), 4).unwrap(); |
| 226 | let mut scaler = NAScale::new(sc_ifmt, ofmt).unwrap(); |
| 227 | loop { |
| 228 | let ret = cmsg.receiver.recv(); |
| 229 | if ret.is_err() { break; } |
| 230 | if let Ok(SendEvent::EOF) = ret { break; } |
| 231 | let pkt = if let Ok(SendEvent::Packet(pkt)) = ret { pkt } else { unreachable!() }; |
| 232 | let ret = video_dec.dec.decode(&mut video_dec.dsupp, &pkt); |
| 233 | if let Ok(frm) = ret { |
| 234 | video_dec.reord.add_frame(frm); |
| 235 | while let Some(frm) = video_dec.reord.get_frame() { |
| 236 | let bt = frm.get_buffer(); |
| 237 | if let NABufferType::None = bt { continue; } |
| 238 | let vinfo = bt.get_video_info().unwrap(); |
| 239 | if ifmt.get_width() != vinfo.get_width() || |
| 240 | ifmt.get_height() != vinfo.get_height() || |
| 241 | ifmt.get_format() != vinfo.get_format() { |
| 242 | println!("reinit scaler!"); |
| 243 | ifmt = vinfo.clone(); |
| 244 | let sc_ifmt = ScaleInfo { width: ifmt.get_width(), height: ifmt.get_height(), fmt: ifmt.get_format() }; |
| 245 | do_yuv = if let ColorModel::YUV(_) = ifmt.get_format().get_model() { true } else { false }; |
| 246 | let ofmt = if do_yuv { ofmt_yuv } else { ofmt_rgb }; |
| 247 | opic = alloc_video_buffer(NAVideoInfo::new(width, height, false, ofmt.fmt), 4).unwrap(); |
| 248 | scaler = NAScale::new(sc_ifmt, ofmt).unwrap(); |
| 249 | } |
| 250 | let ret = scaler.convert(&bt, &mut opic); |
| 251 | if ret.is_err() { println!(" scaler error {:?}", ret.err()); continue; } |
| 252 | ret.unwrap(); |
| 253 | let ts = frm.get_dts().unwrap_or(frm.get_pts().unwrap_or(0)); |
| 254 | let time = NATimeInfo::ts_to_time(ts, 1000, tb_num, tb_den); |
| 255 | |
| 256 | let buf = opic.get_vbuf().unwrap(); |
| 257 | if !do_yuv { |
| 258 | let sstride = buf.get_stride(0); |
| 259 | let src = buf.get_data(); |
| 260 | let surface = Surface::new(&[SurfaceFlag::SWSurface], width as isize, height as isize, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000).unwrap(); |
| 261 | let pitch = unsafe { (*surface.raw).pitch } as usize; |
| 262 | surface.with_lock(|x: &mut [u8]| -> bool { |
| 263 | let csize = sstride.min(pitch); |
| 264 | for (dst, src) in x.chunks_mut(pitch).zip(src.chunks(sstride)) { |
| 265 | (&mut dst[..csize]).copy_from_slice(&src[..csize]); |
| 266 | } |
| 267 | true |
| 268 | }); |
| 269 | let mut count = cmsg.ev_mtx.lock().unwrap(); |
| 270 | cmsg.esend.send(DisplayEvent::RGB(time, NABufferRef::new(surface))).unwrap(); |
| 271 | *count += 1; |
| 272 | } else { |
| 273 | let screen = scr_mtx.lock().unwrap(); |
| 274 | let overlay = screen.create_overlay(width as isize, height as isize, OverlayFormat::YV12).unwrap(); |
| 275 | drop(screen); |
| 276 | while !overlay.lock() {} |
| 277 | let src = buf.get_data(); |
| 278 | let ysstride = buf.get_stride(0); |
| 279 | let ysrc = &src[buf.get_offset(0)..]; |
| 280 | let usstride = buf.get_stride(2); |
| 281 | let usrc = &src[buf.get_offset(2)..]; |
| 282 | let vsstride = buf.get_stride(1); |
| 283 | let vsrc = &src[buf.get_offset(1)..]; |
| 284 | unsafe { |
| 285 | let ydst = overlay.get_pixel_ptr(0); |
| 286 | let ydstride = overlay.get_pitch(0); |
| 287 | let udst = overlay.get_pixel_ptr(1); |
| 288 | let udstride = overlay.get_pitch(1); |
| 289 | let vdst = overlay.get_pixel_ptr(2); |
| 290 | let vdstride = overlay.get_pitch(2); |
| 291 | for (ydst, ysrc) in ydst.chunks_mut(ydstride).take(height).zip(ysrc.chunks(ysstride)) { |
| 292 | (&mut ydst[..width]).copy_from_slice(&ysrc[..width]); |
| 293 | } |
| 294 | for (udst, usrc) in udst.chunks_mut(udstride).take(height).zip(usrc.chunks(usstride)) { |
| 295 | (&mut udst[..width / 2]).copy_from_slice(&usrc[..width / 2]); |
| 296 | } |
| 297 | for (vdst, vsrc) in vdst.chunks_mut(vdstride).take(height).zip(vsrc.chunks(vsstride)) { |
| 298 | (&mut vdst[..width / 2]).copy_from_slice(&vsrc[..width / 2]); |
| 299 | } |
| 300 | } |
| 301 | overlay.unlock(); |
| 302 | let mut count = cmsg.ev_mtx.lock().unwrap(); |
| 303 | cmsg.esend.send(DisplayEvent::YUV(time, NABufferRef::new(overlay))).unwrap(); |
| 304 | *count += 1; |
| 305 | } |
| 306 | } |
| 307 | } else { |
| 308 | println!("error decoding video"); |
| 309 | } |
| 310 | } |
| 311 | cmsg.finished.store(true, Ordering::Relaxed); |
| 312 | }) |
| 313 | } |
| 314 | |
| 315 | fn play_file(args: Vec<String>) { |
| 316 | |
| 317 | let mut cur_arg: usize = 1; |
| 318 | let mut decode_audio = true; |
| 319 | while (cur_arg < args.len()) && args[cur_arg].starts_with('-') { |
| 320 | match args[cur_arg].as_str() { |
| 321 | "--" => { break; }, |
| 322 | "-an" => { decode_audio = false; }, |
| 323 | _ => { println!("unknown option {}", args[cur_arg]); return; }, |
| 324 | } |
| 325 | cur_arg += 1; |
| 326 | } |
| 327 | let name = args[cur_arg].as_str(); |
| 328 | |
| 329 | let path = Path::new(name); |
| 330 | let mut file = File::open(path).unwrap(); |
| 331 | let dmx_fact; |
| 332 | let mut fr = FileReader::new_read(&mut file); |
| 333 | let mut br = ByteReader::new(&mut fr); |
| 334 | let res = detect::detect_format(name, &mut br); |
| 335 | if res.is_none() { |
| 336 | println!("cannot detect format for {}", name); |
| 337 | return; |
| 338 | } |
| 339 | let (dmx_name, _) = res.unwrap(); |
| 340 | println!("trying demuxer {} on {}", dmx_name, name); |
| 341 | |
| 342 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 343 | nihav_register_all_demuxers(&mut dmx_reg); |
| 344 | let mut dec_reg = RegisteredDecoders::new(); |
| 345 | nihav_register_all_codecs(&mut dec_reg); |
| 346 | |
| 347 | dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap(); |
| 348 | br.seek(SeekFrom::Start(0)).unwrap(); |
| 349 | let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap(); |
| 350 | |
| 351 | let mut width = 640; |
| 352 | let mut height = 480; |
| 353 | let mut ifmt = None; |
| 354 | let mut tb_num = 0; |
| 355 | let mut tb_den = 0; |
| 356 | let mut arate = 0; |
| 357 | let mut video_str = 0; |
| 358 | let mut audio_str = 0; |
| 359 | |
| 360 | let mut video_dec: Option<DecoderStuff> = None; |
| 361 | let mut audio_dec: Option<DecoderStuff> = None; |
| 362 | |
| 363 | for i in 0..dmx.get_num_streams() { |
| 364 | let s = dmx.get_stream(i).unwrap(); |
| 365 | let info = s.get_info(); |
| 366 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 367 | println!("stream {} - {} {}", i, s, info.get_name()); |
| 368 | let str_id = s.get_id(); |
| 369 | if info.is_video() { |
| 370 | if video_dec.is_none() { |
| 371 | if decfunc.is_none() { |
| 372 | println!("no video decoder for {} found!", info.get_name()); |
| 373 | return; |
| 374 | } |
| 375 | let mut dec = (decfunc.unwrap())(); |
| 376 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 377 | let props = info.get_properties().get_video_info().unwrap(); |
| 378 | if props.get_width() != 0 { |
| 379 | width = props.get_width(); |
| 380 | height = props.get_height(); |
| 381 | ifmt = Some(props.clone()); |
| 382 | } |
| 383 | let reorder_depth = 3; |
| 384 | dsupp.pool_u8 = NAVideoBufferPool::new(reorder_depth); |
| 385 | dsupp.pool_u16 = NAVideoBufferPool::new(reorder_depth); |
| 386 | dsupp.pool_u32 = NAVideoBufferPool::new(reorder_depth); |
| 387 | dec.init(&mut dsupp, info).unwrap(); |
| 388 | let reord = Box::new(IPBReorderer::new()); |
| 389 | video_dec = Some(DecoderStuff{ dsupp, dec, reord }); |
| 390 | video_str = str_id; |
| 391 | let (tbn, tbd) = s.get_timebase(); |
| 392 | tb_num = tbn; |
| 393 | tb_den = tbd; |
| 394 | } |
| 395 | } else if info.is_audio() { |
| 396 | if audio_dec.is_none() && decode_audio { |
| 397 | if decfunc.is_none() { |
| 398 | println!("no audio decoder for {} found!", info.get_name()); |
| 399 | } else { |
| 400 | let mut dec = (decfunc.unwrap())(); |
| 401 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 402 | let props = info.get_properties().get_audio_info().unwrap(); |
| 403 | arate = props.get_sample_rate(); |
| 404 | dec.init(&mut dsupp, info).unwrap(); |
| 405 | let reord = Box::new(NoReorderer::new()); |
| 406 | audio_dec = Some(DecoderStuff{ dsupp, dec, reord }); |
| 407 | audio_str = str_id; |
| 408 | } |
| 409 | } |
| 410 | } else { |
| 411 | println!("decoder {} not found", info.get_name()); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | while (width <= 384) && (height <= 288) { |
| 416 | width <<= 1; |
| 417 | height <<= 1; |
| 418 | } |
| 419 | |
| 420 | sdl::init(&[sdl::InitFlag::Video, sdl::InitFlag::Audio]); |
| 421 | sdl::wm::set_caption("NihAV Player", "nihav-player"); |
| 422 | let screen = match sdl::video::set_video_mode(width as isize, height as isize, 32, |
| 423 | &[SurfaceFlag::HWSurface, SurfaceFlag::AsyncBlit, SurfaceFlag::HWAccel], |
| 424 | &[VideoFlag::DoubleBuf]) { |
| 425 | Ok(screen) => screen, |
| 426 | Err(err) => panic!("failed to set video mode: {}", err) |
| 427 | }; |
| 428 | |
| 429 | let (vsend, vrecv) = mpsc::sync_channel::<SendEvent>(0); |
| 430 | let (asend, arecv) = mpsc::sync_channel::<SendEvent>(0); |
| 431 | let (esend, erecv) = mpsc::sync_channel::<DisplayEvent>(50); |
| 432 | let events_mtx = Arc::new(Mutex::new(0isize)); |
| 433 | |
| 434 | let has_audio = audio_dec.is_some(); |
| 435 | let mut amtx = Arc::new(Mutex::new(AudioFIFO::new((arate * 8) as usize, (arate * 80) as usize))); |
| 436 | let aud_finished = Arc::new(AtomicBool::new(!has_audio)); |
| 437 | let audio_thread = if has_audio { |
| 438 | let ainfo = open_audio(arate, amtx.clone()); |
| 439 | let cmsg = CommonMessages { |
| 440 | receiver: arecv, |
| 441 | esend: esend.clone(), |
| 442 | ev_mtx: events_mtx.clone(), |
| 443 | finished: aud_finished.clone(), |
| 444 | }; |
| 445 | Some(start_audio_dec(audio_dec, ainfo, cmsg)) |
| 446 | } else { None }; |
| 447 | |
| 448 | let has_video = video_dec.is_some(); |
| 449 | let video_thread: Option<thread::JoinHandle<()>>; |
| 450 | let scr_mtx = Arc::new(Mutex::new(NABufferRef::new(screen))); |
| 451 | let vid_finished = Arc::new(AtomicBool::new(!has_video)); |
| 452 | if has_video { |
| 453 | let cmsg = CommonMessages { |
| 454 | receiver: vrecv, |
| 455 | esend: esend, |
| 456 | ev_mtx: events_mtx.clone(), |
| 457 | finished: vid_finished.clone(), |
| 458 | }; |
| 459 | video_thread = Some(start_video_dec(video_dec, ifmt, width, height, tb_num, tb_den, cmsg, scr_mtx.clone())); |
| 460 | } else { |
| 461 | video_thread = None; |
| 462 | }; |
| 463 | |
| 464 | let mut frame_queue: Vec<DisplayEvent> = Vec::new(); |
| 465 | |
| 466 | let systime = SystemTime::now(); |
| 467 | let mut has_data = true; |
| 468 | |
| 469 | 'main : loop { |
| 470 | 'event : loop { |
| 471 | match sdl::event::poll_event() { |
| 472 | Event::Quit => break 'main, |
| 473 | Event::None => break 'event, |
| 474 | Event::Key(k, _, _, _) |
| 475 | if k == Key::Escape || k == Key::Q |
| 476 | => break 'main, |
| 477 | Event::Key(k, _, _, _) |
| 478 | if k == Key::Space |
| 479 | => continue 'event, |
| 480 | _ => {} |
| 481 | } |
| 482 | } |
| 483 | if has_data { |
| 484 | let pktres = dmx.get_frame(); |
| 485 | if let Err(DemuxerError::EOF) = pktres { |
| 486 | has_data = false; |
| 487 | if has_video { |
| 488 | vsend.send(SendEvent::EOF).unwrap(); |
| 489 | } |
| 490 | if has_audio { |
| 491 | asend.send(SendEvent::EOF).unwrap(); |
| 492 | } |
| 493 | } else if let Err(_) = pktres { |
| 494 | break; |
| 495 | } else if let Ok(pkt) = pktres { |
| 496 | let streamno = pkt.get_stream().get_id(); |
| 497 | |
| 498 | if has_video && streamno == video_str { |
| 499 | vsend.send(SendEvent::Packet(pkt)).unwrap(); |
| 500 | } else if has_audio && streamno == audio_str { |
| 501 | asend.send(SendEvent::Packet(pkt)).unwrap(); |
| 502 | } |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | let mut nevents = events_mtx.lock().unwrap(); |
| 507 | while *nevents > 0 { |
| 508 | *nevents -= 1; |
| 509 | let ret = erecv.recv(); |
| 510 | if ret.is_err() { break 'main; } |
| 511 | let mut disp_evt = ret.unwrap(); |
| 512 | match disp_evt { |
| 513 | DisplayEvent::Audio(ref mut out_buf) => { |
| 514 | unsafe { sdl::audio::ll::SDL_LockAudio(); } |
| 515 | match out_buf { |
| 516 | NABufferType::AudioPacked(buf) => add_audio(&mut amtx, buf.get_data()), |
| 517 | NABufferType::AudioU8(buf) => add_audio(&mut amtx, buf.get_data()), |
| 518 | NABufferType::AudioI16(buf) => add_audio(&mut amtx, buf.get_data()), |
| 519 | NABufferType::AudioI32(buf) => add_audio(&mut amtx, buf.get_data()), |
| 520 | NABufferType::AudioF32(buf) => add_audio(&mut amtx, buf.get_data()), |
| 521 | _ => unreachable!(), |
| 522 | }; |
| 523 | unsafe { sdl::audio::ll::SDL_UnlockAudio(); } |
| 524 | sdl::audio::pause(false); |
| 525 | }, |
| 526 | _ => { frame_queue.push(disp_evt); }, |
| 527 | }; |
| 528 | } |
| 529 | drop(nevents); |
| 530 | if vid_finished.load(Ordering::Relaxed) && |
| 531 | aud_finished.load(Ordering::Relaxed) && frame_queue.len() == 0 { |
| 532 | break; |
| 533 | } |
| 534 | |
| 535 | if frame_queue.len() > 0 { |
| 536 | let cur_time = systime.elapsed().unwrap(); |
| 537 | let disp_time = Duration::from_millis(frame_queue[0].get_time()); |
| 538 | |
| 539 | //println!("cur time {:?} disp time {:?}", cur_time, disp_time); |
| 540 | if (disp_time <= cur_time + Duration::from_millis(10)) && disp_time + Duration::from_millis(10) >= cur_time { |
| 541 | let screen = scr_mtx.lock().unwrap(); |
| 542 | let disp_evt = frame_queue.remove(0); |
| 543 | match disp_evt { |
| 544 | DisplayEvent::RGB(_, ref surf) => { |
| 545 | screen.blit(surf); |
| 546 | screen.flip(); |
| 547 | }, |
| 548 | DisplayEvent::YUV(_, ref ovl) => { |
| 549 | ovl.display(Some(screen.get_rect())); |
| 550 | }, |
| 551 | _ => {}, |
| 552 | }; |
| 553 | } else if disp_time > cur_time { |
| 554 | let diff = disp_time - cur_time; |
| 555 | if diff > Duration::from_millis(20) { |
| 556 | thread::sleep(Duration::from_millis(20)); |
| 557 | } else { |
| 558 | thread::sleep(diff); |
| 559 | } |
| 560 | } else { |
| 561 | frame_queue.remove(0); |
| 562 | } |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | if has_audio { |
| 567 | unsafe { sdl::audio::ll::SDL_LockAudio(); } |
| 568 | let mut afifo = amtx.lock().unwrap(); |
| 569 | afifo.finish(); |
| 570 | drop(afifo); |
| 571 | unsafe { sdl::audio::ll::SDL_UnlockAudio(); } |
| 572 | sdl::audio::pause(true); |
| 573 | } |
| 574 | drop(vsend); |
| 575 | drop(asend); |
| 576 | if let Some(vthread) = video_thread { |
| 577 | vthread.join().unwrap(); |
| 578 | } |
| 579 | if let Some(athread) = audio_thread { |
| 580 | athread.join().unwrap(); |
| 581 | } |
| 582 | |
| 583 | if has_audio { |
| 584 | sdl::audio::close(); |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | fn main() { |
| 589 | let args: Vec<String> = env::args().collect(); |
| 590 | |
| 591 | if args.len() == 1 { |
| 592 | println!("usage: nihav-player input"); |
| 593 | return; |
| 594 | } |
| 595 | |
| 596 | play_file(args); |
| 597 | |
| 598 | sdl::quit(); |
| 599 | } |