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use std::fs::File;
use std::io::prelude::*;
use crate::frame::*;
use crate::codecs::*;
use crate::demuxers::*;
//use crate::io::byteio::*;
use crate::scale::*;
use super::wavwriter::WavWriter;
fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
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 mut tot_h = h + h2;
if has_alpha {
tot_h += h;
}
if w2 > w/2 {
tot_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;
for _ in 0..h {
let line = &dta[idx..idx2];
ofile.write_all(line).unwrap();
idx += ls;
idx2 += ls;
}
if w2 <= w/2 {
let pad: Vec<u8> = vec![0xFF; (w - w2 * 2) / 2];
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;
}
} else {
let pad: Vec<u8> = vec![0xFF; w - w2];
let mut base1 = buf.get_offset(1);
let stride1 = buf.get_stride(1);
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();
base1 += stride1;
}
let mut base2 = buf.get_offset(2);
let stride2 = buf.get_stride(2);
for _ in 0..h2 {
let bend2 = base2 + w2;
let line = &dta[base2..bend2];
ofile.write_all(line).unwrap();
ofile.write_all(pad.as_slice()).unwrap();
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, frm: NAFrameRef) {
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 offs: [usize; 3] = [
buf.get_info().get_format().get_chromaton(0).unwrap().get_offset() as usize,
buf.get_info().get_format().get_chromaton(1).unwrap().get_offset() as usize,
buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
];
let mut idx = 0;
let mut line: Vec<u8> = vec![0; w * 3];
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 + offs[0]];
line[x * 3 + 1] = dta[paloff + pix * 3 + offs[1]];
line[x * 3 + 2] = dta[paloff + pix * 3 + offs[2]];
}
ofile.write_all(line.as_slice()).unwrap();
idx += ls;
}
}
fn write_ppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
let name = format!("assets/{}out{:02}_{:06}.ppm", pfx, strno, num);
let mut ofile = File::create(name).unwrap();
let info = frm.get_buffer().get_video_info().unwrap();
let mut dpic = alloc_video_buffer(NAVideoInfo::new(info.get_width(), info.get_height(), false, RGB24_FORMAT), 0).unwrap();
let ifmt = ScaleInfo { width: info.get_width(), height: info.get_height(), fmt: info.get_format() };
let ofmt = ScaleInfo { width: info.get_width(), height: info.get_height(), fmt: RGB24_FORMAT };
let mut scaler = NAScale::new(ifmt, ofmt).unwrap();
scaler.convert(&frm.get_buffer(), &mut dpic).unwrap();
let buf = dpic.get_vbuf().unwrap();
let (w, h) = buf.get_dimensions(0);
let hdr = format!("P6\n{} {}\n255\n", w, h);
ofile.write_all(hdr.as_bytes()).unwrap();
let dta = buf.get_data();
let stride = buf.get_stride(0);
for src in dta.chunks(stride) {
ofile.write_all(&src[0..w*3]).unwrap();
}
}
/*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<u64>,
decode_video: bool, decode_audio: bool,
video_pfx: Option<&str>,
dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
let dmx_f = dmx_reg.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<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
for i in 0..dmx.get_num_streams() {
let s = dmx.get_stream(i).unwrap();
let info = s.get_info();
let decfunc = dec_reg.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)();
let mut dsupp = Box::new(NADecoderSupport::new());
dec.init(&mut dsupp, info).unwrap();
decs.push(Some((dsupp, 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 let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) {
if ppts > lim { break; }
}
let streamno = pkt.get_stream().get_id() as usize;
if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
let frm = dec.decode(dsupp, &pkt).unwrap();
if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.get_frame_type() != FrameType::Skip {
let pfx = video_pfx.unwrap();
let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() };
let vinfo = frm.get_buffer().get_video_info().unwrap();
if vinfo.get_format().is_paletted() {
write_palppm(pfx, streamno, pts, frm);
} else if vinfo.get_format().get_model().is_yuv() {
write_pgmyuv(pfx, streamno, pts, frm);
} else if vinfo.get_format().get_model().is_rgb() {
write_ppm(pfx, streamno, pts, frm);
} else {
panic!(" unknown format");
}
}
}
}
}
pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: &str,
dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) {
let dmx_f = dmx_reg.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<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
for i in 0..dmx.get_num_streams() {
let s = dmx.get_stream(i).unwrap();
let info = s.get_info();
let decfunc = dec_reg.find_decoder(info.get_name());
if let Some(df) = decfunc {
if info.is_audio() {
let mut dec = (df)();
let mut dsupp = Box::new(NADecoderSupport::new());
dec.init(&mut dsupp, info).unwrap();
decs.push(Some((dsupp, 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() && pkt.get_pts().unwrap() > limit.unwrap() {
break;
}
let streamno = pkt.get_stream().get_id() as usize;
if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
let frm = dec.decode(dsupp, &pkt).unwrap();
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();
}
}
}
}
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