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 mut idx  = 0;
  81     let mut line: Vec<u8> = Vec::with_capacity(w * 3);
  82     line.resize(w * 3, 0);
  83     for _ in 0..h {
  84         let src = &dta[idx..(idx+w)];
  85         for x in 0..w {
  86             let pix = src[x] as usize;
  87             line[x * 3 + 0] = dta[paloff + pix * 3 + 2];
  88             line[x * 3 + 1] = dta[paloff + pix * 3 + 1];
  89             line[x * 3 + 2] = dta[paloff + pix * 3 + 0];
  90         }
  91         ofile.write_all(line.as_slice()).unwrap();
  92         idx  += ls;
  93     }
  94 }
  95
  96 /*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter {
  97     let name = format!("assets/{}out{:02}.wav", pfx, strno);
  98     let mut file = File::create(name).unwrap();
  99     let mut fw = FileWriter::new_write(&mut file);
 100     let mut wr = ByteWriter::new(&mut fw);
 101     WavWriter::new(&mut wr)
 102 }*/
 103
 104 pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>,
 105                           decode_video: bool, decode_audio: bool,
 106                           video_pfx: Option<&str>) {
 107     let dmx_f = find_demuxer(demuxer).unwrap();
 108     let mut file = File::open(name).unwrap();
 109     let mut fr = FileReader::new_read(&mut file);
 110     let mut br = ByteReader::new(&mut fr);
 111     let mut dmx = create_demuxer(dmx_f, &mut br).unwrap();
 112
 113     let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new();
 114     for i in 0..dmx.get_num_streams() {
 115         let s = dmx.get_stream(i).unwrap();
 116         let info = s.get_info();
 117         let decfunc = find_decoder(info.get_name());
 118         if let Some(df) = decfunc {
 119             if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) {
 120                 let mut dec = (df)();
 121                 dec.init(info).unwrap();
 122                 decs.push(Some(dec));
 123             } else {
 124                 decs.push(None);
 125             }
 126         } else {
 127             decs.push(None);
 128         }
 129     }
 130
 131     loop {
 132         let pktres = dmx.get_frame();
 133         if let Err(e) = pktres {
 134             if e == DemuxerError::EOF { break; }
 135             panic!("error");
 136         }
 137         let pkt = pktres.unwrap();
 138         if limit.is_some() && pkt.get_pts().is_some() {
 139             if pkt.get_pts().unwrap() > limit.unwrap() { break; }
 140         }
 141         let streamno = pkt.get_stream().get_id() as usize;
 142         if let Some(ref mut dec) = decs[streamno] {
 143             let frm = dec.decode(&pkt).unwrap();
 144             if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.borrow().get_frame_type() != FrameType::Skip {
 145                 let pfx = video_pfx.unwrap();
 146                 let pts = if let Some(fpts) = frm.borrow().get_pts() { fpts } else { pkt.get_pts().unwrap() };
 147                 if frm.borrow().get_buffer().get_vbuf().unwrap().get_info().get_format().is_paletted() {
 148                     write_palppm(pfx, streamno, pts, frm);
 149                 } else {
 150                     write_pgmyuv(pfx, streamno, pts, frm);
 151                 }
 152             }
 153         }
 154     }
 155 }
 156
 157 pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: &str) {
 158     let dmx_f = 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<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 = find_decoder(info.get_name());
 169         if let Some(df) = decfunc {
 170             if info.is_audio() {
 171                 let mut dec = (df)();
 172                 dec.init(info).unwrap();
 173                 decs.push(Some(dec));
 174             } else {
 175                 decs.push(None);
 176             }
 177         } else {
 178             decs.push(None);
 179         }
 180     }
 181
 182     let name = format!("assets/{}out.wav", audio_pfx);
 183     let file = File::create(name).unwrap();
 184     let mut fw = FileWriter::new_write(file);
 185     let mut wr = ByteWriter::new(&mut fw);
 186     let mut wwr = WavWriter::new(&mut wr);
 187     let mut wrote_header = false;
 188
 189     loop {
 190         let pktres = dmx.get_frame();
 191         if let Err(e) = pktres {
 192             if e == DemuxerError::EOF { break; }
 193             panic!("error");
 194         }
 195         let pkt = pktres.unwrap();
 196         if limit.is_some() && pkt.get_pts().is_some() {
 197             if pkt.get_pts().unwrap() > limit.unwrap() { break; }
 198         }
 199         let streamno = pkt.get_stream().get_id() as usize;
 200         if let Some(ref mut dec) = decs[streamno] {
 201             let frm_ = dec.decode(&pkt).unwrap();
 202             let frm = frm_.borrow();
 203             if frm.get_info().is_audio() {
 204                 if !wrote_header {
 205                     wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
 206                     wrote_header = true;
 207                 }
 208                 wwr.write_frame(frm.get_buffer()).unwrap();
 209             }
 210         }
 211     }
 212 }