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 super::wavwriter::WavWriter;
   8
   9 fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
  10     if let NABufferType::None = frm.get_buffer() { return; }
  11     let name = format!("assets/{}out{:02}_{:06}.pgm", pfx, strno, num);
  12     let mut ofile = File::create(name).unwrap();
  13     let buf = frm.get_buffer().get_vbuf().unwrap();
  14     let (w, h) = buf.get_dimensions(0);
  15     let (w2, h2) = buf.get_dimensions(1);
  16     let has_alpha = buf.get_info().get_format().has_alpha();
  17     let mut tot_h = h + h2;
  18     if has_alpha {
  19         tot_h += h;
  20     }
  21     if w2 > w/2 {
  22         tot_h += h2;
  23     }
  24     let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
  25     ofile.write_all(hdr.as_bytes()).unwrap();
  26     let dta = buf.get_data();
  27     let ls = buf.get_stride(0);
  28     let mut idx = 0;
  29     let mut idx2 = w;
  30     for _ in 0..h {
  31         let line = &dta[idx..idx2];
  32         ofile.write_all(line).unwrap();
  33         idx  += ls;
  34         idx2 += ls;
  35     }
  36     if w2 <= w/2 {
  37         let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2);
  38         pad.resize((w - w2 * 2) / 2, 0xFF);
  39         let mut base1 = buf.get_offset(1);
  40         let stride1 = buf.get_stride(1);
  41         let mut base2 = buf.get_offset(2);
  42         let stride2 = buf.get_stride(2);
  43         for _ in 0..h2 {
  44             let bend1 = base1 + w2;
  45             let line = &dta[base1..bend1];
  46             ofile.write_all(line).unwrap();
  47             ofile.write_all(pad.as_slice()).unwrap();
  48
  49             let bend2 = base2 + w2;
  50             let line = &dta[base2..bend2];
  51             ofile.write_all(line).unwrap();
  52             ofile.write_all(pad.as_slice()).unwrap();
  53
  54             base1 += stride1;
  55             base2 += stride2;
  56         }
  57     } else {
  58         let mut pad: Vec<u8> = Vec::with_capacity(w - w2);
  59         pad.resize(w - w2, 0xFF);
  60         let mut base1 = buf.get_offset(1);
  61         let stride1 = buf.get_stride(1);
  62         for _ in 0..h2 {
  63             let bend1 = base1 + w2;
  64             let line = &dta[base1..bend1];
  65             ofile.write_all(line).unwrap();
  66             ofile.write_all(pad.as_slice()).unwrap();
  67             base1 += stride1;
  68         }
  69         let mut base2 = buf.get_offset(2);
  70         let stride2 = buf.get_stride(2);
  71         for _ in 0..h2 {
  72             let bend2 = base2 + w2;
  73             let line = &dta[base2..bend2];
  74             ofile.write_all(line).unwrap();
  75             ofile.write_all(pad.as_slice()).unwrap();
  76             base2 += stride2;
  77         }
  78     }
  79     if has_alpha {
  80         let ls = buf.get_stride(3);
  81         let mut idx = buf.get_offset(3);
  82         let mut idx2 = idx + w;
  83         for _ in 0..h {
  84             let line = &dta[idx..idx2];
  85             ofile.write_all(line).unwrap();
  86             idx  += ls;
  87             idx2 += ls;
  88         }
  89     }
  90 }
  91
  92 fn write_palppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
  93     let name = format!("assets/{}out{:02}_{:06}.ppm", pfx, strno, num);
  94     let mut ofile = File::create(name).unwrap();
  95     let buf = frm.get_buffer().get_vbuf().unwrap();
  96     let (w, h) = buf.get_dimensions(0);
  97     let paloff = buf.get_offset(1);
  98     let hdr = format!("P6\n{} {}\n255\n", w, h);
  99     ofile.write_all(hdr.as_bytes()).unwrap();
 100     let dta = buf.get_data();
 101     let ls = buf.get_stride(0);
 102     let offs: [usize; 3] = [
 103             buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
 104             buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
 105             buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
 106         ];
 107     let mut idx  = 0;
 108     let mut line: Vec<u8> = Vec::with_capacity(w * 3);
 109     line.resize(w * 3, 0);
 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!("assets/{}out{:02}_{:06}.ppm", pfx, strno, num);
 125     let mut ofile = File::create(name).unwrap();
 126     if let NABufferType::VideoPacked(ref buf) = frm.get_buffer() {
 127         let (w, h) = buf.get_dimensions(0);
 128         let hdr = format!("P6\n{} {}\n255\n", w, h);
 129         ofile.write_all(hdr.as_bytes()).unwrap();
 130         let dta = buf.get_data();
 131         let stride = buf.get_stride(0);
 132         let offs: [usize; 3] = [
 133                 buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
 134                 buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
 135                 buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
 136             ];
 137         let step = buf.get_info().get_format().get_elem_size() as usize;
 138         let mut line: Vec<u8> = Vec::with_capacity(w * 3);
 139         line.resize(w * 3, 0);
 140         for src in dta.chunks(stride) {
 141             for x in 0..w {
 142                 line[x * 3 + 0] = src[x * step + offs[0]];
 143                 line[x * 3 + 1] = src[x * step + offs[1]];
 144                 line[x * 3 + 2] = src[x * step + offs[2]];
 145             }
 146             ofile.write_all(line.as_slice()).unwrap();
 147         }
 148     } else if let NABufferType::Video16(ref buf) = frm.get_buffer() {
 149         let (w, h) = buf.get_dimensions(0);
 150         let hdr = format!("P6\n{} {}\n255\n", w, h);
 151         ofile.write_all(hdr.as_bytes()).unwrap();
 152         let dta = buf.get_data();
 153         let stride = buf.get_stride(0);
 154         let depths: [u8; 3] = [
 155                 buf.get_info().get_format().get_chromaton(0).unwrap().get_depth(),
 156                 buf.get_info().get_format().get_chromaton(1).unwrap().get_depth(),
 157                 buf.get_info().get_format().get_chromaton(2).unwrap().get_depth()
 158             ];
 159         let masks: [u16; 3] = [
 160                 (1 << depths[0]) - 1,
 161                 (1 << depths[1]) - 1,
 162                 (1 << depths[2]) - 1
 163             ];
 164         let shifts: [u8; 3] = [
 165                 buf.get_info().get_format().get_chromaton(0).unwrap().get_shift(),
 166                 buf.get_info().get_format().get_chromaton(1).unwrap().get_shift(),
 167                 buf.get_info().get_format().get_chromaton(2).unwrap().get_shift()
 168             ];
 169         let mut line: Vec<u8> = Vec::with_capacity(w * 3);
 170         line.resize(w * 3, 0);
 171         for src in dta.chunks(stride) {
 172             for x in 0..w {
 173                 let elem = src[x];
 174                 let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
 175                 let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
 176                 let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
 177                 line[x * 3 + 0] = r as u8;
 178                 line[x * 3 + 1] = g as u8;
 179                 line[x * 3 + 2] = b as u8;
 180             }
 181             ofile.write_all(line.as_slice()).unwrap();
 182         }
 183     } else {
 184 panic!(" unhandled buf format");
 185     }
 186 }
 187
 188 /*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter {
 189     let name = format!("assets/{}out{:02}.wav", pfx, strno);
 190     let mut file = File::create(name).unwrap();
 191     let mut fw = FileWriter::new_write(&mut file);
 192     let mut wr = ByteWriter::new(&mut fw);
 193     WavWriter::new(&mut wr)
 194 }*/
 195
 196 pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>,
 197                           decode_video: bool, decode_audio: bool,
 198                           video_pfx: Option<&str>,
 199                           dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
 200     let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
 201     let mut file = File::open(name).unwrap();
 202     let mut fr = FileReader::new_read(&mut file);
 203     let mut br = ByteReader::new(&mut fr);
 204     let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
 205
 206     let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new();
 207     for i in 0..dmx.get_num_streams() {
 208         let s = dmx.get_stream(i).unwrap();
 209         let info = s.get_info();
 210         let decfunc = dec_reg.find_decoder(info.get_name());
 211         if let Some(df) = decfunc {
 212             if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) {
 213                 let mut dec = (df)();
 214                 dec.init(info).unwrap();
 215                 decs.push(Some(dec));
 216             } else {
 217                 decs.push(None);
 218             }
 219         } else {
 220             decs.push(None);
 221         }
 222     }
 223
 224     loop {
 225         let pktres = dmx.get_frame();
 226         if let Err(e) = pktres {
 227             if e == DemuxerError::EOF { break; }
 228             panic!("error");
 229         }
 230         let pkt = pktres.unwrap();
 231         if limit.is_some() && pkt.get_pts().is_some() {
 232             if pkt.get_pts().unwrap() > limit.unwrap() { break; }
 233         }
 234         let streamno = pkt.get_stream().get_id() as usize;
 235         if let Some(ref mut dec) = decs[streamno] {
 236             let frm = dec.decode(&pkt).unwrap();
 237             if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.get_frame_type() != FrameType::Skip {
 238                 let pfx = video_pfx.unwrap();
 239                 let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() };
 240                 let vinfo = frm.get_buffer().get_video_info().unwrap();
 241                 if vinfo.get_format().is_paletted() {
 242                     write_palppm(pfx, streamno, pts, frm);
 243                 } else if vinfo.get_format().get_model().is_yuv() {
 244                     write_pgmyuv(pfx, streamno, pts, frm);
 245                 } else if vinfo.get_format().get_model().is_rgb() {
 246                     write_ppm(pfx, streamno, pts, frm);
 247                 } else {
 248 panic!(" unknown format");
 249                 }
 250             }
 251         }
 252     }
 253 }
 254
 255 pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: &str,
 256                          dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
 257     let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
 258     let mut file = File::open(name).unwrap();
 259     let mut fr = FileReader::new_read(&mut file);
 260     let mut br = ByteReader::new(&mut fr);
 261     let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
 262
 263     let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new();
 264     for i in 0..dmx.get_num_streams() {
 265         let s = dmx.get_stream(i).unwrap();
 266         let info = s.get_info();
 267         let decfunc = dec_reg.find_decoder(info.get_name());
 268         if let Some(df) = decfunc {
 269             if info.is_audio() {
 270                 let mut dec = (df)();
 271                 dec.init(info).unwrap();
 272                 decs.push(Some(dec));
 273             } else {
 274                 decs.push(None);
 275             }
 276         } else {
 277             decs.push(None);
 278         }
 279     }
 280
 281     let name = format!("assets/{}out.wav", audio_pfx);
 282     let file = File::create(name).unwrap();
 283     let mut fw = FileWriter::new_write(file);
 284     let mut wr = ByteWriter::new(&mut fw);
 285     let mut wwr = WavWriter::new(&mut wr);
 286     let mut wrote_header = false;
 287
 288     loop {
 289         let pktres = dmx.get_frame();
 290         if let Err(e) = pktres {
 291             if e == DemuxerError::EOF { break; }
 292             panic!("error");
 293         }
 294         let pkt = pktres.unwrap();
 295         if limit.is_some() && pkt.get_pts().is_some() {
 296             if pkt.get_pts().unwrap() > limit.unwrap() { break; }
 297         }
 298         let streamno = pkt.get_stream().get_id() as usize;
 299         if let Some(ref mut dec) = decs[streamno] {
 300             let frm = dec.decode(&pkt).unwrap();
 301             if frm.get_info().is_audio() {
 302                 if !wrote_header {
 303                     wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
 304                     wrote_header = true;
 305                 }
 306                 wwr.write_frame(frm.get_buffer()).unwrap();
 307             }
 308         }
 309     }
 310 }