nihav-core/src/test/dec_video.rs

   1 use std::fs::File;
   2 use std::io::prelude::*;
   3 use crate::frame::*;
   4 use crate::codecs::*;
   5 use crate::demuxers::*;
   6 //use crate::io::byteio::*;
   7 use crate::scale::*;
   8 use super::wavwriter::WavWriter;
   9
  10 const OUTPUT_PREFIX: &str = "assets/test_out";
  11
  12 fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
  13     if let NABufferType::None = frm.get_buffer() { return; }
  14     let name = format!("{}/{}out{:02}_{:06}.pgm", OUTPUT_PREFIX, pfx, strno, num);
  15     let mut ofile = File::create(name).unwrap();
  16     let buf = frm.get_buffer().get_vbuf().unwrap();
  17     let (w, h) = buf.get_dimensions(0);
  18     let (w2, h2) = buf.get_dimensions(1);
  19     let has_alpha = buf.get_info().get_format().has_alpha();
  20     let mut tot_h = h + h2;
  21     if has_alpha {
  22         tot_h += h;
  23     }
  24     if w2 > w/2 {
  25         tot_h += h2;
  26     }
  27     let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
  28     ofile.write_all(hdr.as_bytes()).unwrap();
  29     let dta = buf.get_data();
  30     let ls = buf.get_stride(0);
  31     let mut idx = 0;
  32     let mut idx2 = w;
  33     for _ in 0..h {
  34         let line = &dta[idx..idx2];
  35         ofile.write_all(line).unwrap();
  36         idx  += ls;
  37         idx2 += ls;
  38     }
  39     if w2 <= w/2 {
  40         let pad: Vec<u8> = vec![0xFF; (w - w2 * 2) / 2];
  41         let mut base1 = buf.get_offset(1);
  42         let stride1 = buf.get_stride(1);
  43         let mut base2 = buf.get_offset(2);
  44         let stride2 = buf.get_stride(2);
  45         for _ in 0..h2 {
  46             let bend1 = base1 + w2;
  47             let line = &dta[base1..bend1];
  48             ofile.write_all(line).unwrap();
  49             ofile.write_all(pad.as_slice()).unwrap();
  50
  51             let bend2 = base2 + w2;
  52             let line = &dta[base2..bend2];
  53             ofile.write_all(line).unwrap();
  54             ofile.write_all(pad.as_slice()).unwrap();
  55
  56             base1 += stride1;
  57             base2 += stride2;
  58         }
  59     } else {
  60         let pad: Vec<u8> = vec![0xFF; w - w2];
  61         let mut base1 = buf.get_offset(1);
  62         let stride1 = buf.get_stride(1);
  63         for _ in 0..h2 {
  64             let bend1 = base1 + w2;
  65             let line = &dta[base1..bend1];
  66             ofile.write_all(line).unwrap();
  67             ofile.write_all(pad.as_slice()).unwrap();
  68             base1 += stride1;
  69         }
  70         let mut base2 = buf.get_offset(2);
  71         let stride2 = buf.get_stride(2);
  72         for _ in 0..h2 {
  73             let bend2 = base2 + w2;
  74             let line = &dta[base2..bend2];
  75             ofile.write_all(line).unwrap();
  76             ofile.write_all(pad.as_slice()).unwrap();
  77             base2 += stride2;
  78         }
  79     }
  80     if has_alpha {
  81         let ls = buf.get_stride(3);
  82         let mut idx = buf.get_offset(3);
  83         let mut idx2 = idx + w;
  84         for _ in 0..h {
  85             let line = &dta[idx..idx2];
  86             ofile.write_all(line).unwrap();
  87             idx  += ls;
  88             idx2 += ls;
  89         }
  90     }
  91 }
  92
  93 fn write_palppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
  94     let name = format!("{}/{}out{:02}_{:06}.ppm", OUTPUT_PREFIX, pfx, strno, num);
  95     let mut ofile = File::create(name).unwrap();
  96     let buf = frm.get_buffer().get_vbuf().unwrap();
  97     let (w, h) = buf.get_dimensions(0);
  98     let paloff = buf.get_offset(1);
  99     let hdr = format!("P6\n{} {}\n255\n", w, h);
 100     ofile.write_all(hdr.as_bytes()).unwrap();
 101     let dta = buf.get_data();
 102     let ls = buf.get_stride(0);
 103     let offs: [usize; 3] = [
 104             buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
 105             buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
 106             buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
 107         ];
 108     let mut idx  = 0;
 109     let mut line: Vec<u8> = vec![0; w * 3];
 110     for _ in 0..h {
 111         let src = &dta[idx..(idx+w)];
 112         for x in 0..w {
 113             let pix = src[x] as usize;
 114             line[x * 3 + 0] = dta[paloff + pix * 3 + offs[0]];
 115             line[x * 3 + 1] = dta[paloff + pix * 3 + offs[1]];
 116             line[x * 3 + 2] = dta[paloff + pix * 3 + offs[2]];
 117         }
 118         ofile.write_all(line.as_slice()).unwrap();
 119         idx  += ls;
 120     }
 121 }
 122
 123 fn write_ppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
 124     let name = format!("{}/{}out{:02}_{:06}.ppm", OUTPUT_PREFIX, pfx, strno, num);
 125     let mut ofile = File::create(name).unwrap();
 126         let info = frm.get_buffer().get_video_info().unwrap();
 127         let mut dpic = alloc_video_buffer(NAVideoInfo::new(info.get_width(), info.get_height(), false, RGB24_FORMAT), 0).unwrap();
 128         let ifmt = ScaleInfo { width: info.get_width(), height: info.get_height(), fmt: info.get_format() };
 129         let ofmt = ScaleInfo { width: info.get_width(), height: info.get_height(), fmt: RGB24_FORMAT };
 130         let mut scaler = NAScale::new(ifmt, ofmt).unwrap();
 131         scaler.convert(&frm.get_buffer(), &mut dpic).unwrap();
 132         let buf = dpic.get_vbuf().unwrap();
 133         let (w, h) = buf.get_dimensions(0);
 134         let hdr = format!("P6\n{} {}\n255\n", w, h);
 135         ofile.write_all(hdr.as_bytes()).unwrap();
 136         let dta = buf.get_data();
 137         let stride = buf.get_stride(0);
 138         for src in dta.chunks(stride) {
 139             ofile.write_all(&src[0..w*3]).unwrap();
 140         }
 141 }
 142
 143 /*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter {
 144     let name = format!("assets/{}out{:02}.wav", pfx, strno);
 145     let mut file = File::create(name).unwrap();
 146     let mut fw = FileWriter::new_write(&mut file);
 147     let mut wr = ByteWriter::new(&mut fw);
 148     WavWriter::new(&mut wr)
 149 }*/
 150
 151 pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>,
 152                           decode_video: bool, decode_audio: bool,
 153                           video_pfx: Option<&str>,
 154                           dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
 155     let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
 156     let mut file = File::open(name).unwrap();
 157     let mut fr = FileReader::new_read(&mut file);
 158     let mut br = ByteReader::new(&mut fr);
 159     let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
 160
 161     let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
 162     for i in 0..dmx.get_num_streams() {
 163         let s = dmx.get_stream(i).unwrap();
 164         let info = s.get_info();
 165         let decfunc = dec_reg.find_decoder(info.get_name());
 166         if let Some(df) = decfunc {
 167             if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) {
 168                 let mut dec = (df)();
 169                 let mut dsupp = Box::new(NADecoderSupport::new());
 170                 dec.init(&mut dsupp, info).unwrap();
 171                 decs.push(Some((dsupp, dec)));
 172             } else {
 173                 decs.push(None);
 174             }
 175         } else {
 176             decs.push(None);
 177         }
 178     }
 179
 180     loop {
 181         let pktres = dmx.get_frame();
 182         if let Err(e) = pktres {
 183             if e == DemuxerError::EOF { break; }
 184             panic!("error");
 185         }
 186         let pkt = pktres.unwrap();
 187         let streamno = pkt.get_stream().get_id() as usize;
 188         if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
 189             if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) {
 190                 if ppts > lim { break; }
 191             }
 192             let frm = dec.decode(dsupp, &pkt).unwrap();
 193             if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.get_frame_type() != FrameType::Skip {
 194                 let pfx = video_pfx.unwrap();
 195                 let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() };
 196                 let vinfo = frm.get_buffer().get_video_info().unwrap();
 197                 if vinfo.get_format().is_paletted() {
 198                     write_palppm(pfx, streamno, pts, frm);
 199                 } else if vinfo.get_format().get_model().is_yuv() {
 200                     write_pgmyuv(pfx, streamno, pts, frm);
 201                 } else if vinfo.get_format().get_model().is_rgb() {
 202                     write_ppm(pfx, streamno, pts, frm);
 203                 } else {
 204 panic!(" unknown format");
 205                 }
 206             }
 207         }
 208     }
 209 }
 210
 211 pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: Option<&str>,
 212                          dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
 213     let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
 214     let mut file = File::open(name).unwrap();
 215     let mut fr = FileReader::new_read(&mut file);
 216     let mut br = ByteReader::new(&mut fr);
 217     let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
 218
 219     let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
 220     for i in 0..dmx.get_num_streams() {
 221         let s = dmx.get_stream(i).unwrap();
 222         let info = s.get_info();
 223         let decfunc = dec_reg.find_decoder(info.get_name());
 224         if let Some(df) = decfunc {
 225             if info.is_audio() {
 226                 let mut dec = (df)();
 227                 let mut dsupp = Box::new(NADecoderSupport::new());
 228                 dec.init(&mut dsupp, info).unwrap();
 229                 decs.push(Some((dsupp, dec)));
 230             } else {
 231                 decs.push(None);
 232             }
 233         } else {
 234             decs.push(None);
 235         }
 236     }
 237
 238     if let Some(audio_pfx) = audio_pfx {
 239         let name = format!("{}/{}out.wav", OUTPUT_PREFIX, audio_pfx);
 240         let file = File::create(name).unwrap();
 241         let mut fw = FileWriter::new_write(file);
 242         let mut wr = ByteWriter::new(&mut fw);
 243         let mut wwr = WavWriter::new(&mut wr);
 244         let mut wrote_header = false;
 245
 246         loop {
 247             let pktres = dmx.get_frame();
 248             if let Err(e) = pktres {
 249                 if e == DemuxerError::EOF { break; }
 250                 panic!("error");
 251             }
 252             let pkt = pktres.unwrap();
 253             if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() {
 254                 break;
 255             }
 256             let streamno = pkt.get_stream().get_id() as usize;
 257             if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
 258                 let frm = dec.decode(dsupp, &pkt).unwrap();
 259                 if frm.get_info().is_audio() {
 260                     if !wrote_header {
 261                         wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
 262                         wrote_header = true;
 263                     }
 264                     wwr.write_frame(frm.get_buffer()).unwrap();
 265                 }
 266             }
 267         }
 268     } else {
 269         loop {
 270             let pktres = dmx.get_frame();
 271             if let Err(e) = pktres {
 272                 if e == DemuxerError::EOF { break; }
 273                 panic!("error");
 274             }
 275             let pkt = pktres.unwrap();
 276             if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() {
 277                 break;
 278             }
 279             let streamno = pkt.get_stream().get_id() as usize;
 280             if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
 281                 let _ = dec.decode(dsupp, &pkt).unwrap();
 282             }
 283         }
 284     }
 285 }