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