X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-core%2Fsrc%2Ftest%2Fdec_video.rs;fp=nihav-core%2Fsrc%2Ftest%2Fdec_video.rs;h=4a181917ebeae8b75c676f06aa133b7bf38ccc89;hb=5641dccfbf2a70d589cf094a0d4ed5a10f919f00;hp=0000000000000000000000000000000000000000;hpb=b74ff9fac35d41737d71d97227fad233aa4a4b49;p=nihav.git diff --git a/nihav-core/src/test/dec_video.rs b/nihav-core/src/test/dec_video.rs new file mode 100644 index 0000000..4a18191 --- /dev/null +++ b/nihav-core/src/test/dec_video.rs @@ -0,0 +1,212 @@ +use std::fs::File; +use std::io::prelude::*; +use crate::frame::*; +use crate::codecs::*; +use crate::demuxers::*; +use crate::io::byteio::*; +use super::wavwriter::WavWriter; + +fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frmref: NAFrameRef) { + let frm = frmref.borrow(); + if let NABufferType::None = frm.get_buffer() { return; } + let name = format!("assets/{}out{:02}_{:06}.pgm", pfx, strno, num); + let mut ofile = File::create(name).unwrap(); + let buf = frm.get_buffer().get_vbuf().unwrap(); + let (w, h) = buf.get_dimensions(0); + let (w2, h2) = buf.get_dimensions(1); + let has_alpha = buf.get_info().get_format().has_alpha(); + let tot_h; + if has_alpha { + tot_h = h * 2 + h2; + } else { + tot_h = h + h2; + } + let hdr = format!("P5\n{} {}\n255\n", w, tot_h); + ofile.write_all(hdr.as_bytes()).unwrap(); + let dta = buf.get_data(); + let ls = buf.get_stride(0); + let mut idx = 0; + let mut idx2 = w; + let mut pad: Vec = Vec::with_capacity((w - w2 * 2) / 2); + pad.resize((w - w2 * 2) / 2, 0xFF); + for _ in 0..h { + let line = &dta[idx..idx2]; + ofile.write_all(line).unwrap(); + idx += ls; + idx2 += ls; + } + let mut base1 = buf.get_offset(1); + let stride1 = buf.get_stride(1); + let mut base2 = buf.get_offset(2); + let stride2 = buf.get_stride(2); + for _ in 0..h2 { + let bend1 = base1 + w2; + let line = &dta[base1..bend1]; + ofile.write_all(line).unwrap(); + ofile.write_all(pad.as_slice()).unwrap(); + + let bend2 = base2 + w2; + let line = &dta[base2..bend2]; + ofile.write_all(line).unwrap(); + ofile.write_all(pad.as_slice()).unwrap(); + + base1 += stride1; + base2 += stride2; + } + if has_alpha { + let ls = buf.get_stride(3); + let mut idx = buf.get_offset(3); + let mut idx2 = idx + w; + for _ in 0..h { + let line = &dta[idx..idx2]; + ofile.write_all(line).unwrap(); + idx += ls; + idx2 += ls; + } + } +} + +fn write_palppm(pfx: &str, strno: usize, num: u64, frmref: NAFrameRef) { + let frm = frmref.borrow(); + let name = format!("assets/{}out{:02}_{:06}.ppm", pfx, strno, num); + let mut ofile = File::create(name).unwrap(); + let buf = frm.get_buffer().get_vbuf().unwrap(); + let (w, h) = buf.get_dimensions(0); + let paloff = buf.get_offset(1); + let hdr = format!("P6\n{} {}\n255\n", w, h); + ofile.write_all(hdr.as_bytes()).unwrap(); + let dta = buf.get_data(); + let ls = buf.get_stride(0); + let mut idx = 0; + let mut line: Vec = Vec::with_capacity(w * 3); + line.resize(w * 3, 0); + for _ in 0..h { + let src = &dta[idx..(idx+w)]; + for x in 0..w { + let pix = src[x] as usize; + line[x * 3 + 0] = dta[paloff + pix * 3 + 2]; + line[x * 3 + 1] = dta[paloff + pix * 3 + 1]; + line[x * 3 + 2] = dta[paloff + pix * 3 + 0]; + } + ofile.write_all(line.as_slice()).unwrap(); + idx += ls; + } +} + +/*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter { + let name = format!("assets/{}out{:02}.wav", pfx, strno); + let mut file = File::create(name).unwrap(); + let mut fw = FileWriter::new_write(&mut file); + let mut wr = ByteWriter::new(&mut fw); + WavWriter::new(&mut wr) +}*/ + +pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option, + decode_video: bool, decode_audio: bool, + video_pfx: Option<&str>) { + let dmx_f = find_demuxer(demuxer).unwrap(); + let mut file = File::open(name).unwrap(); + let mut fr = FileReader::new_read(&mut file); + let mut br = ByteReader::new(&mut fr); + let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); + + let mut decs: Vec>> = Vec::new(); + for i in 0..dmx.get_num_streams() { + let s = dmx.get_stream(i).unwrap(); + let info = s.get_info(); + let decfunc = find_decoder(info.get_name()); + if let Some(df) = decfunc { + if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) { + let mut dec = (df)(); + dec.init(info).unwrap(); + decs.push(Some(dec)); + } else { + decs.push(None); + } + } else { + decs.push(None); + } + } + + loop { + let pktres = dmx.get_frame(); + if let Err(e) = pktres { + if e == DemuxerError::EOF { break; } + panic!("error"); + } + let pkt = pktres.unwrap(); + if limit.is_some() && pkt.get_pts().is_some() { + if pkt.get_pts().unwrap() > limit.unwrap() { break; } + } + let streamno = pkt.get_stream().get_id() as usize; + if let Some(ref mut dec) = decs[streamno] { + let frm = dec.decode(&pkt).unwrap(); + if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.borrow().get_frame_type() != FrameType::Skip { + let pfx = video_pfx.unwrap(); + let pts = if let Some(fpts) = frm.borrow().get_pts() { fpts } else { pkt.get_pts().unwrap() }; + if frm.borrow().get_buffer().get_vbuf().unwrap().get_info().get_format().is_paletted() { + write_palppm(pfx, streamno, pts, frm); + } else { + write_pgmyuv(pfx, streamno, pts, frm); + } + } + } + } +} + +pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option, audio_pfx: &str) { + let dmx_f = find_demuxer(demuxer).unwrap(); + let mut file = File::open(name).unwrap(); + let mut fr = FileReader::new_read(&mut file); + let mut br = ByteReader::new(&mut fr); + let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); + + let mut decs: Vec>> = Vec::new(); + for i in 0..dmx.get_num_streams() { + let s = dmx.get_stream(i).unwrap(); + let info = s.get_info(); + let decfunc = find_decoder(info.get_name()); + if let Some(df) = decfunc { + if info.is_audio() { + let mut dec = (df)(); + dec.init(info).unwrap(); + decs.push(Some(dec)); + } else { + decs.push(None); + } + } else { + decs.push(None); + } + } + + let name = format!("assets/{}out.wav", audio_pfx); + let file = File::create(name).unwrap(); + let mut fw = FileWriter::new_write(file); + let mut wr = ByteWriter::new(&mut fw); + let mut wwr = WavWriter::new(&mut wr); + let mut wrote_header = false; + + loop { + let pktres = dmx.get_frame(); + if let Err(e) = pktres { + if e == DemuxerError::EOF { break; } + panic!("error"); + } + let pkt = pktres.unwrap(); + if limit.is_some() && pkt.get_pts().is_some() { + if pkt.get_pts().unwrap() > limit.unwrap() { break; } + } + let streamno = pkt.get_stream().get_id() as usize; + if let Some(ref mut dec) = decs[streamno] { + let frm_ = dec.decode(&pkt).unwrap(); + let frm = frm_.borrow(); + if frm.get_info().is_audio() { + if !wrote_header { + wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap(); + wrote_header = true; + } + wwr.write_frame(frm.get_buffer()).unwrap(); + } + } + } +}