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, frmref: NAFrameRef) {
  10     let frm = frmref.borrow();
  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 tot_h;
  19     if has_alpha {
  20         tot_h = h * 2 + h2;
  21     } else {
  22         tot_h = 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     let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2);
  31     pad.resize((w - w2 * 2) / 2, 0xFF);
  32     for _ in 0..h {
  33         let line = &dta[idx..idx2];
  34         ofile.write_all(line).unwrap();
  35         idx  += ls;
  36         idx2 += ls;
  37     }
  38     let mut base1 = buf.get_offset(1);
  39     let stride1 = buf.get_stride(1);
  40     let mut base2 = buf.get_offset(2);
  41     let stride2 = buf.get_stride(2);
  42     for _ in 0..h2 {
  43         let bend1 = base1 + w2;
  44         let line = &dta[base1..bend1];
  45         ofile.write_all(line).unwrap();
  46         ofile.write_all(pad.as_slice()).unwrap();
  47
  48         let bend2 = base2 + w2;
  49         let line = &dta[base2..bend2];
  50         ofile.write_all(line).unwrap();
  51         ofile.write_all(pad.as_slice()).unwrap();
  52
  53         base1 += stride1;
  54         base2 += stride2;
  55     }
  56     if has_alpha {
  57         let ls = buf.get_stride(3);
  58         let mut idx = buf.get_offset(3);
  59         let mut idx2 = idx + w;
  60         for _ in 0..h {
  61             let line = &dta[idx..idx2];
  62             ofile.write_all(line).unwrap();
  63             idx  += ls;
  64             idx2 += ls;
  65         }
  66     }
  67 }
  68
  69 fn write_palppm(pfx: &str, strno: usize, num: u64, frmref: NAFrameRef) {
  70     let frm = frmref.borrow();
  71     let name = format!("assets/{}out{:02}_{:06}.ppm", pfx, strno, num);
  72     let mut ofile = File::create(name).unwrap();
  73     let buf = frm.get_buffer().get_vbuf().unwrap();
  74     let (w, h) = buf.get_dimensions(0);
  75     let paloff = buf.get_offset(1);
  76     let hdr = format!("P6\n{} {}\n255\n", w, h);
  77     ofile.write_all(hdr.as_bytes()).unwrap();
  78     let dta = buf.get_data();
  79     let ls = buf.get_stride(0);
  80     let offs: [usize; 3] = [
  81             buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
  82             buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
  83             buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
  84         ];
  85     let mut idx  = 0;
  86     let mut line: Vec<u8> = Vec::with_capacity(w * 3);
  87     line.resize(w * 3, 0);
  88     for _ in 0..h {
  89         let src = &dta[idx..(idx+w)];
  90         for x in 0..w {
  91             let pix = src[x] as usize;
  92             line[x * 3 + 0] = dta[paloff + pix * 3 + offs[0]];
  93             line[x * 3 + 1] = dta[paloff + pix * 3 + offs[1]];
  94             line[x * 3 + 2] = dta[paloff + pix * 3 + offs[2]];
  95         }
  96         ofile.write_all(line.as_slice()).unwrap();
  97         idx  += ls;
  98     }
  99 }
 100
 101 fn write_ppm(pfx: &str, strno: usize, num: u64, frmref: NAFrameRef) {
 102     let frm = frmref.borrow();
 103     let name = format!("assets/{}out{:02}_{:06}.ppm", pfx, strno, num);
 104     let mut ofile = File::create(name).unwrap();
 105     if let NABufferType::VideoPacked(ref buf) = frm.get_buffer() {
 106         let (w, h) = buf.get_dimensions(0);
 107         let hdr = format!("P6\n{} {}\n255\n", w, h);
 108         ofile.write_all(hdr.as_bytes()).unwrap();
 109         let dta = buf.get_data();
 110         let stride = buf.get_stride(0);
 111         let offs: [usize; 3] = [
 112                 buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
 113                 buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
 114                 buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
 115             ];
 116         let step = buf.get_info().get_format().get_elem_size() as usize;
 117         let mut line: Vec<u8> = Vec::with_capacity(w * 3);
 118         line.resize(w * 3, 0);
 119         for src in dta.chunks(stride) {
 120             for x in 0..w {
 121                 line[x * 3 + 0] = src[x * step + offs[0]];
 122                 line[x * 3 + 1] = src[x * step + offs[1]];
 123                 line[x * 3 + 2] = src[x * step + offs[2]];
 124             }
 125             ofile.write_all(line.as_slice()).unwrap();
 126         }
 127     } else if let NABufferType::Video16(ref buf) = frm.get_buffer() {
 128         let (w, h) = buf.get_dimensions(0);
 129         let hdr = format!("P6\n{} {}\n255\n", w, h);
 130         ofile.write_all(hdr.as_bytes()).unwrap();
 131         let dta = buf.get_data();
 132         let stride = buf.get_stride(0);
 133         let depths: [u8; 3] = [
 134                 buf.get_info().get_format().get_chromaton(0).unwrap().get_depth(),
 135                 buf.get_info().get_format().get_chromaton(1).unwrap().get_depth(),
 136                 buf.get_info().get_format().get_chromaton(2).unwrap().get_depth()
 137             ];
 138         let masks: [u16; 3] = [
 139                 (1 << depths[0]) - 1,
 140                 (1 << depths[1]) - 1,
 141                 (1 << depths[2]) - 1
 142             ];
 143         let shifts: [u8; 3] = [
 144                 buf.get_info().get_format().get_chromaton(0).unwrap().get_shift(),
 145                 buf.get_info().get_format().get_chromaton(1).unwrap().get_shift(),
 146                 buf.get_info().get_format().get_chromaton(2).unwrap().get_shift()
 147             ];
 148         let mut line: Vec<u8> = Vec::with_capacity(w * 3);
 149         line.resize(w * 3, 0);
 150         for src in dta.chunks(stride) {
 151             for x in 0..w {
 152                 let elem = src[x];
 153                 let r = ((elem >> shifts[0]) & masks[0]) << (8 - depths[0]);
 154                 let g = ((elem >> shifts[1]) & masks[1]) << (8 - depths[1]);
 155                 let b = ((elem >> shifts[2]) & masks[2]) << (8 - depths[2]);
 156                 line[x * 3 + 0] = r as u8;
 157                 line[x * 3 + 1] = g as u8;
 158                 line[x * 3 + 2] = b as u8;
 159             }
 160             ofile.write_all(line.as_slice()).unwrap();
 161         }
 162     } else {
 163 panic!(" unhandled buf format");
 164     }
 165 }
 166
 167 /*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter {
 168     let name = format!("assets/{}out{:02}.wav", pfx, strno);
 169     let mut file = File::create(name).unwrap();
 170     let mut fw = FileWriter::new_write(&mut file);
 171     let mut wr = ByteWriter::new(&mut fw);
 172     WavWriter::new(&mut wr)
 173 }*/
 174
 175 pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>,
 176                           decode_video: bool, decode_audio: bool,
 177                           video_pfx: Option<&str>,
 178                           dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
 179     let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
 180     let mut file = File::open(name).unwrap();
 181     let mut fr = FileReader::new_read(&mut file);
 182     let mut br = ByteReader::new(&mut fr);
 183     let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
 184
 185     let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new();
 186     for i in 0..dmx.get_num_streams() {
 187         let s = dmx.get_stream(i).unwrap();
 188         let info = s.get_info();
 189         let decfunc = dec_reg.find_decoder(info.get_name());
 190         if let Some(df) = decfunc {
 191             if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) {
 192                 let mut dec = (df)();
 193                 dec.init(info).unwrap();
 194                 decs.push(Some(dec));
 195             } else {
 196                 decs.push(None);
 197             }
 198         } else {
 199             decs.push(None);
 200         }
 201     }
 202
 203     loop {
 204         let pktres = dmx.get_frame();
 205         if let Err(e) = pktres {
 206             if e == DemuxerError::EOF { break; }
 207             panic!("error");
 208         }
 209         let pkt = pktres.unwrap();
 210         if limit.is_some() && pkt.get_pts().is_some() {
 211             if pkt.get_pts().unwrap() > limit.unwrap() { break; }
 212         }
 213         let streamno = pkt.get_stream().get_id() as usize;
 214         if let Some(ref mut dec) = decs[streamno] {
 215             let frm = dec.decode(&pkt).unwrap();
 216             if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.borrow().get_frame_type() != FrameType::Skip {
 217                 let pfx = video_pfx.unwrap();
 218                 let pts = if let Some(fpts) = frm.borrow().get_pts() { fpts } else { pkt.get_pts().unwrap() };
 219                 let vinfo = frm.borrow().get_buffer().get_video_info().unwrap();
 220                 if vinfo.get_format().is_paletted() {
 221                     write_palppm(pfx, streamno, pts, frm);
 222                 } else if vinfo.get_format().get_model().is_yuv() {
 223                     write_pgmyuv(pfx, streamno, pts, frm);
 224                 } else if vinfo.get_format().get_model().is_rgb() {
 225                     write_ppm(pfx, streamno, pts, frm);
 226                 } else {
 227 panic!(" unknown format");
 228                 }
 229             }
 230         }
 231     }
 232 }
 233
 234 pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: &str,
 235                          dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
 236     let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
 237     let mut file = File::open(name).unwrap();
 238     let mut fr = FileReader::new_read(&mut file);
 239     let mut br = ByteReader::new(&mut fr);
 240     let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
 241
 242     let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new();
 243     for i in 0..dmx.get_num_streams() {
 244         let s = dmx.get_stream(i).unwrap();
 245         let info = s.get_info();
 246         let decfunc = dec_reg.find_decoder(info.get_name());
 247         if let Some(df) = decfunc {
 248             if info.is_audio() {
 249                 let mut dec = (df)();
 250                 dec.init(info).unwrap();
 251                 decs.push(Some(dec));
 252             } else {
 253                 decs.push(None);
 254             }
 255         } else {
 256             decs.push(None);
 257         }
 258     }
 259
 260     let name = format!("assets/{}out.wav", audio_pfx);
 261     let file = File::create(name).unwrap();
 262     let mut fw = FileWriter::new_write(file);
 263     let mut wr = ByteWriter::new(&mut fw);
 264     let mut wwr = WavWriter::new(&mut wr);
 265     let mut wrote_header = false;
 266
 267     loop {
 268         let pktres = dmx.get_frame();
 269         if let Err(e) = pktres {
 270             if e == DemuxerError::EOF { break; }
 271             panic!("error");
 272         }
 273         let pkt = pktres.unwrap();
 274         if limit.is_some() && pkt.get_pts().is_some() {
 275             if pkt.get_pts().unwrap() > limit.unwrap() { break; }
 276         }
 277         let streamno = pkt.get_stream().get_id() as usize;
 278         if let Some(ref mut dec) = decs[streamno] {
 279             let frm_ = dec.decode(&pkt).unwrap();
 280             let frm = frm_.borrow();
 281             if frm.get_info().is_audio() {
 282                 if !wrote_header {
 283                     wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
 284                     wrote_header = true;
 285                 }
 286                 wwr.write_frame(frm.get_buffer()).unwrap();
 287             }
 288         }
 289     }
 290 }