--- /dev/null
+extern crate nihav;
+
+use nihav::frame::*;
+use std::io::prelude::*;
+use std::fs::File;
+use std::cell::Ref;
+
+pub fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frm: Ref<NAFrame>) {
+ if let NABufferType::None = frm.get_buffer() { return; }
+ let name = format!("{}out{:02}_{:04}.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 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<u8> = 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;
+ }
+}
+
+pub fn write_palppm(pfx: &str, strno: usize, num: u64, frm: Ref<NAFrame>) {
+ let name = format!("{}out{:02}_{:04}.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<u8> = 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;
+ }
+}
-extern crate nihav;
-
-use std::io::prelude::*;
-use std::io::SeekFrom;
-use std::fs::File;
-use std::path::Path;
-use nihav::io::byteio::{FileReader, ByteReader};
-use nihav::frame::*;
-use nihav::codecs::*;
-use nihav::demuxers::*;
-use nihav::detect;
-use std::env;
-
-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!("{}out{:02}_{:04}.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 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<u8> = 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;
- }
-}
-
-fn write_palppm(pfx: &str, strno: usize, num: u64, frmref: NAFrameRef) {
- let frm = frmref.borrow();
- let name = format!("{}out{:02}_{:04}.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<u8> = 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 main() {
- let args: Vec<_> = env::args().collect();
-
- if args.len() == 1 { return; }
- let lastpts = if args.len() > 2 {
- Some(u64::from_str_radix(args[2].as_str(), 10).unwrap())
- } else { None };
-
- let name = args[1].as_str();
- let path = Path::new(name);
- let mut file = File::open(path).unwrap();
- let dmx_fact;
- let mut fr = FileReader::new_read(&mut file);
- let mut br = ByteReader::new(&mut fr);
- let res = detect::detect_format(name, &mut br);
- if res.is_none() {
- println!("cannot detect format for {}", name);
- return;
- }
- let (dmx_name, _) = res.unwrap();
-println!("trying demuxer {}", dmx_name);
- dmx_fact = find_demuxer(dmx_name).unwrap();
- br.seek(SeekFrom::Start(0)).unwrap();
- let mut dmx = dmx_fact.new_demuxer(&mut br);
- dmx.open().unwrap();
-
- let mut decs: Vec<Option<Box<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 = find_decoder(info.get_name());
- if !info.is_video() {
- decs.push(None);
- } else if let Some(df) = decfunc {
- let mut dec = (df)();
- dec.init(info).unwrap();
- decs.push(Some(dec));
- } else {
-panic!("decoder {} not found", info.get_name());
- }
- }
-
- loop {
- let pktres = dmx.get_frame();
- if let Err(e) = pktres {
- if e == DemuxerError::EOF { break; }
- }
- let pkt = pktres.unwrap();
- 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() {
- if frm.borrow().get_frame_type() != FrameType::Skip {
- if frm.borrow().get_buffer().get_vbuf().unwrap().get_info().get_format().is_paletted() {
- write_palppm("", streamno, pkt.get_pts().unwrap(), frm);
- } else {
- write_pgmyuv("", streamno, pkt.get_pts().unwrap(), frm);
- }
- }
- }
- }
- if pkt.get_pts() != None && pkt.get_pts() == lastpts { break; }
- }
-//panic!("end");
-}
+extern crate nihav;
+
+use std::io::SeekFrom;
+use std::fs::File;
+use std::path::Path;
+use nihav::io::byteio::{FileReader, ByteReader};
+use nihav::frame::*;
+use nihav::codecs::*;
+use nihav::demuxers::*;
+use nihav::detect;
+use std::env;
+
+mod frmwriter;
+use frmwriter::*;
+
+mod wavwriter;
+use wavwriter::WavWriter;
+
+struct FrameOutput {
+ prefix: &'static str,
+ streamno: usize,
+}
+
+impl FrameOutput {
+ fn output_frame(&mut self, pkt: &NAPacket, frmref: NAFrameRef) {
+ let frm = frmref.borrow();
+ if frm.get_frame_type() != FrameType::Skip {
+ let pts = if let Some(pt) = frm.get_pts() { pt } else { pkt.get_pts().unwrap() };
+ let frmbuf = frm.get_buffer().get_vbuf().unwrap();
+ if frmbuf.get_info().get_format().is_paletted() {
+ write_palppm(self.prefix, self.streamno, pts, frm);
+ } else {
+ write_pgmyuv(self.prefix, self.streamno, pts, frm);
+ }
+ }
+ }
+}
+
+struct AudioOutput {
+ wwr: WavWriter<'static>,
+ wrote_header: bool,
+}
+
+impl AudioOutput {
+ fn new(name: &String) -> Self { Self { wwr: WavWriter::new(name), wrote_header: false } }
+ fn output_frame(&mut self, _pkt: &NAPacket, frm: NAFrameRef) {
+ if !self.wrote_header {
+ self.wwr.write_header(frm.borrow().get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap();
+ self.wrote_header = true;
+ }
+ self.wwr.write_frame(frm.borrow().get_buffer()).unwrap();
+ }
+}
+
+enum Outputter {
+ Video(FrameOutput),
+ Audio(AudioOutput),
+ None,
+}
+
+fn main() {
+ let args: Vec<_> = env::args().collect();
+
+ if args.len() == 1 {
+ println!("usage: nihav-tool [-noout] [-vn] [-an] input [lastpts]");
+ return;
+ }
+ let mut lastpts: Option<u64> = None;
+ let mut cur_arg: usize = 1;
+ let mut noout = false;
+ let mut decode_video = true;
+ let mut decode_audio = true;
+
+ while (cur_arg < args.len()) && (args[cur_arg].chars().next().unwrap() == '-') {
+ match args[cur_arg].as_str() {
+ "--" => { break; },
+ "-noout" => { noout = true; },
+ "-an" => { decode_audio = false; },
+ "-vn" => { decode_video = false; },
+ _ => { println!("unknown option {}", args[cur_arg]); return; },
+ }
+ cur_arg += 1;
+ }
+ let name = args[cur_arg].as_str();
+ cur_arg += 1;
+println!(" name = {} arg pos {}/{}", name, cur_arg, args.len());
+ if cur_arg < args.len() {
+ lastpts = Some(u64::from_str_radix(args[cur_arg].as_str(), 10).unwrap());
+ }
+
+ let path = Path::new(name);
+ let mut file = File::open(path).unwrap();
+ let dmx_fact;
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let res = detect::detect_format(name, &mut br);
+ if res.is_none() {
+ println!("cannot detect format for {}", name);
+ return;
+ }
+ let (dmx_name, _) = res.unwrap();
+println!("trying demuxer {} on {}", dmx_name, name);
+ dmx_fact = find_demuxer(dmx_name).unwrap();
+ br.seek(SeekFrom::Start(0)).unwrap();
+ let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap();
+
+ let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new();
+ let mut writers: Vec<Outputter> = 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());
+println!("stream {} - {} {}", i, s, info.get_name());
+ let mut has_out = false;
+ if info.is_video() {
+ if decode_video {
+ let mut dec = (decfunc.unwrap())();
+ dec.init(info).unwrap();
+ decs.push(Some(dec));
+ if !noout {
+ writers.push(Outputter::Video(FrameOutput{prefix: "", streamno: i}));
+ has_out = true;
+ }
+ } else {
+ decs.push(None);
+ }
+ } else if info.is_audio() {
+ if decode_audio {
+ let mut dec = (decfunc.unwrap())();
+ dec.init(info).unwrap();
+ decs.push(Some(dec));
+ if !noout {
+ let name = format!("out{:02}.wav", i);
+ writers.push(Outputter::Audio(AudioOutput::new(&name)));
+ has_out = true;
+ }
+ } else {
+ decs.push(None);
+ }
+ } else {
+ decs.push(None);
+panic!("decoder {} not found", info.get_name());
+ }
+ if !has_out {
+ writers.push(Outputter::None);
+ }
+ }
+
+ loop {
+ let pktres = dmx.get_frame();
+ if let Err(e) = pktres {
+ if e == DemuxerError::EOF { break; }
+ }
+ let pkt = pktres.unwrap();
+ let streamno = pkt.get_stream().get_id() as usize;
+ if let Some(ref mut dec) = decs[streamno] {
+ let frm = dec.decode(&pkt).unwrap();
+ if !noout {
+ match writers[streamno] {
+ Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); },
+ Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); },
+ _ => {},
+ };
+ }
+ }
+ if pkt.get_pts() != None && pkt.get_pts() == lastpts { break; }
+ }
+//panic!("end");
+}
--- /dev/null
+extern crate nihav;
+
+use nihav::io::byteio::*;
+use nihav::frame::*;
+use std::fs::File;
+use std::io::SeekFrom;
+
+pub struct WavWriter<'a> {
+ io: Box<ByteWriter<'a>>,
+ data_pos: u64,
+}
+
+fn write_byte(wr: &mut ByteWriter, sample: u8) -> ByteIOResult<()> {
+ wr.write_byte(sample)
+}
+
+fn write_s16(wr: &mut ByteWriter, sample: i16) -> ByteIOResult<()> {
+ wr.write_u16le(sample as u16)
+}
+
+fn write_s32(wr: &mut ByteWriter, sample: i32) -> ByteIOResult<()> {
+ wr.write_u16le((sample >> 16) as u16)
+}
+
+fn write_f32(wr: &mut ByteWriter, sample: f32) -> ByteIOResult<()> {
+ let mut out = (sample * 32768.0) as i32;
+ if out < -32768 { out = -32768; }
+ if out > 32767 { out = 32767; }
+ if out < 0 { out += 65536; }
+ wr.write_u16le(out as u16)
+}
+
+macro_rules! write_data {
+ ($wr:expr, $buf:expr, $write:ident) => ({
+ let len = $buf.get_length();
+ let ainfo = $buf.get_info();
+ let nch = ainfo.get_channels() as usize;
+ let mut offs: Vec<usize> = Vec::with_capacity(nch);
+ for ch in 0..nch { offs.push($buf.get_offset(ch)); }
+ let data = $buf.get_data();
+
+ for i in 0..len {
+ for ch in 0..nch {
+ let sample = data[offs[ch] + i];
+ $write($wr, sample)?;
+ }
+ }
+ })
+}
+
+impl<'a> WavWriter<'a> {
+ pub fn new(name: &String) -> Self {
+ let file = File::create(name).unwrap();
+ let fw = Box::new(FileWriter::new_write(file));
+ let io = ByteWriter::new(Box::leak(fw));
+ WavWriter { io: Box::new(io), data_pos: 0 }
+ }
+ pub fn write_header(&mut self, ainfo: NAAudioInfo) -> ByteIOResult<()> {
+ let bits = ainfo.get_format().get_bits() as usize;
+
+ self.io.write_buf(b"RIFF")?;
+ self.io.write_u32le(0)?;
+ self.io.write_buf(b"WAVE")?;
+
+ self.io.write_buf(b"fmt ")?;
+ self.io.write_u32le(16)?;
+ self.io.write_u16le(0x0001)?; // PCM
+ self.io.write_u16le(ainfo.get_channels() as u16)?;
+ self.io.write_u32le(ainfo.get_sample_rate() as u32)?;
+
+ if bits < 16 {
+ self.io.write_u32le((ainfo.get_channels() as u32) * (ainfo.get_sample_rate() as u32))?;
+ self.io.write_u16le(ainfo.get_channels() as u16)?; // block align
+ self.io.write_u16le(8)?;
+ } else {
+ self.io.write_u32le(2 * (ainfo.get_channels() as u32) * (ainfo.get_sample_rate() as u32))?;
+ self.io.write_u16le((2 * ainfo.get_channels()) as u16)?; // block align
+ self.io.write_u16le(16)?;
+ }
+
+ self.io.write_buf(b"data")?;
+ self.io.write_u32le(0)?;
+
+ self.data_pos = self.io.tell();
+ Ok(())
+ }
+ pub fn write_frame(&mut self, abuf: NABufferType) -> ByteIOResult<()> {
+ match abuf {
+ NABufferType::AudioU8(ref buf) => {
+ write_data!(&mut self.io, buf, write_byte);
+ }
+ NABufferType::AudioI16(ref buf) => {
+ write_data!(&mut self.io, buf, write_s16);
+ }
+ NABufferType::AudioI32(ref buf) => {
+ write_data!(&mut self.io, buf, write_s32);
+ }
+ NABufferType::AudioF32(ref buf) => {
+ write_data!(&mut self.io, buf, write_f32);
+ }
+ NABufferType::AudioPacked(ref buf) => {
+ self.io.write_buf(buf.get_data().as_slice())?;
+ }
+ _ => {},
+ };
+ Ok(())
+ }
+}
+
+impl<'a> Drop for WavWriter<'a> {
+ #[allow(unused_variables)]
+ fn drop(&mut self) {
+ let size = self.io.tell();
+ if (self.data_pos > 0) && (size >= self.data_pos) {
+ let res = self.io.seek(SeekFrom::Start(4));
+ let res = self.io.write_u32le((size - 8) as u32);
+ let res = self.io.seek(SeekFrom::Start(self.data_pos - 4));
+ let res = self.io.write_u32le(((size as u64) - self.data_pos) as u32);
+ }
+ }
+}