use nihav_core::demuxers::*;
//use nihav_core::io::byteio::*;
//use nihav_core::scale::*;
+use nihav_core::reorder::MTFrameReorderer;
use super::wavwriter::WavWriter;
use super::md5::MD5;
use crate::imgwrite::write_pnm;
panic!("generated hashes");
}
}
+
+/// Tests decoder for requested codec in provided file with raw streams.
+///
+/// This functions tries to decode a stream corresponding to `dec_name` codec in input file and validate the results against expected ones.
+///
+/// Since the function is intended for tests, it will panic instead of returning an error.
+///
+/// # Examples
+///
+/// Test FLAC decoder in test stream:
+/// ```no_run
+/// use nihav_codec_support::test::ExpectedTestResult;
+/// use nihav_codec_support::test::dec_video::test_decoding_raw;
+/// use nihav_core::codecs::RegisteredDecoders;
+/// use nihav_core::demuxers::RegisteredDemuxers;
+///
+/// let mut dmx_reg = RegisteredRawDemuxers::new();
+/// let mut pkt_reg = RegisteredPacketisers::new();
+/// let mut dec_reg = RegisteredDecoders::new();
+/// // ... register FLAC demuxer, packetiser and decoders ...
+/// test_decoding_raw("flac", "flac", "assets/test_file.flac", None, &dmx_reg, &pkt_reg, &dec_reg, ExpectedTestResult::MD5([0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f]));
+/// ```
+pub fn test_decoding_raw(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>,
+ dmx_reg: &RegisteredRawDemuxers, pkt_reg: &RegisteredPacketisers,
+ dec_reg: &RegisteredDecoders, test: ExpectedTestResult) {
+ let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap();
+ let mut file = File::open(filename).unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = create_raw_demuxer(dmx_f, &mut br).unwrap();
+
+ let mut decs: Vec<Option<(Box<dyn NAPacketiser>, Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new();
+ let mut found = false;
+ for i in 0..dmx.get_num_streams() {
+ let s = dmx.get_stream(i).unwrap();
+ let info = s.get_info();
+println!("stream {} codec {} / {}", i, info.get_name(), dec_name);
+ if !found && (info.get_name() == dec_name) {
+ let decfunc = dec_reg.find_decoder(info.get_name());
+ let pktfunc = pkt_reg.find_packetiser(info.get_name());
+ if let (Some(df), Some(pf)) = (decfunc, pktfunc) {
+ let mut pkt = (pf)();
+ pkt.attach_stream(s);
+ let mut dec = (df)();
+ let mut dsupp = Box::new(NADecoderSupport::new());
+ dec.init(&mut dsupp, info).unwrap();
+ decs.push(Some((pkt, dsupp, dec)));
+ found = true;
+ } else {
+ decs.push(None);
+ }
+ } else {
+ decs.push(None);
+ }
+ }
+
+ let mut md5 = MD5::new();
+ let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test {
+ Some(vec.iter())
+ } else {
+ None
+ };
+ loop {
+ let datares = dmx.get_data();
+ if let Err(e) = datares {
+ if e == DemuxerError::EOF { break; }
+ panic!("error");
+ }
+ let data = datares.unwrap();
+ let streamno = data.get_stream().get_id() as usize;
+ if let Some((ref mut pktr, ref mut dsupp, ref mut dec)) = decs[streamno] {
+ pktr.add_data(&data.get_buffer());
+ while let Ok(Some(pkt)) = pktr.get_packet(data.get_stream()) {
+ if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() {
+ break;
+ }
+ let frm = dec.decode(dsupp, &pkt).unwrap();
+ match &test {
+ ExpectedTestResult::Decodes => {},
+ ExpectedTestResult::MD5(_) => { frame_checksum(&mut md5, frm); },
+ ExpectedTestResult::MD5Frames(_) => {
+ md5 = MD5::new();
+ frame_checksum(&mut md5, frm);
+ md5.finish();
+ if let Some(ref mut iter) = frameiter {
+ let ret = iter.next();
+ if ret.is_none() { break; }
+ let ref_hash = ret.unwrap();
+ let mut hash = [0u32; 4];
+ md5.get_hash(&mut hash);
+println!("frame pts {:?} hash {}", pkt.get_pts(), md5);
+ assert_eq!(&hash, ref_hash);
+ }
+ },
+ ExpectedTestResult::GenerateMD5Frames => {
+ md5 = MD5::new();
+ frame_checksum(&mut md5, frm);
+ md5.finish();
+ let mut hash = [0u32; 4];
+ md5.get_hash(&mut hash);
+println!("frame pts {:?} hash [0x{:08x}, 0x{:08x}, 0x{:08x}, 0x{:08x}],", pkt.get_pts(), hash[0], hash[1], hash[2], hash[3]);
+ },
+ };
+ }
+ }
+ }
+ if let ExpectedTestResult::MD5(ref ref_hash) = test {
+ md5.finish();
+ let mut hash = [0u32; 4];
+ md5.get_hash(&mut hash);
+println!("full hash {}", md5);
+ assert_eq!(&hash, ref_hash);
+ }
+ if let ExpectedTestResult::GenerateMD5Frames = test {
+ panic!("generated hashes");
+ }
+}
+
+const THREADS: usize = 3;
+
+fn check_frame(frm: NAFrameRef, test: &ExpectedTestResult, glbl_md5: &mut MD5, frameiter: &mut Option<std::slice::Iter<[u32; 4]>>, last_ts: &mut Option<u64>) -> bool {
+ let frm_pts = frm.get_pts();
+ let frm_dts = frm.get_dts();
+ if let (Some(lts), Some(cts)) = (*last_ts, frm_dts) {
+ assert!(lts < cts);
+ }
+ *last_ts = frm_dts;
+ match test {
+ ExpectedTestResult::Decodes => {},
+ ExpectedTestResult::MD5(_) => { frame_checksum(glbl_md5, frm); },
+ ExpectedTestResult::MD5Frames(_) => {
+ let mut loc_md5 = MD5::new();
+ frame_checksum(&mut loc_md5, frm);
+ loc_md5.finish();
+ if let Some(ref mut iter) = frameiter {
+ let ret = iter.next();
+ if ret.is_none() {
+ return true;
+ }
+ let ref_hash = ret.unwrap();
+ let mut hash = [0u32; 4];
+ loc_md5.get_hash(&mut hash);
+println!("frame pts {:?} dts {:?} hash {}", frm_pts, frm_dts, loc_md5);
+ assert_eq!(&hash, ref_hash);
+ }
+ },
+ ExpectedTestResult::GenerateMD5Frames => {
+ let mut loc_md5 = MD5::new();
+ frame_checksum(&mut loc_md5, frm);
+ loc_md5.finish();
+ let mut hash = [0u32; 4];
+ loc_md5.get_hash(&mut hash);
+println!("frame pts {:?} dts {:?} hash [0x{:08x}, 0x{:08x}, 0x{:08x}, 0x{:08x}],", frm_pts, frm_dts, hash[0], hash[1], hash[2], hash[3]);
+ },
+ };
+ false
+}
+
+/// Tests multi-threaded decoder for requested codec in provided file.
+///
+/// The syntax is very similar to [`test_file_decoding`] except that it tests multi-threaded decoders instead.
+///
+/// [`test_file_decoding`]: ./fn.test_file_decoding.html
+pub fn test_mt_decoding(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>,
+ dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredMTDecoders,
+ test: ExpectedTestResult) {
+ let mut dec_threads = THREADS;
+ for (key, value) in std::env::vars_os() {
+ if key == "MT_THREADS" {
+ if let Some(val) = value.to_str() {
+ dec_threads = val.parse::<usize>().unwrap_or(THREADS);
+ break;
+ }
+ }
+ }
+
+ let dmx_f = dmx_reg.find_demuxer(demuxer).expect("demuxer is not found");
+ let mut file = File::open(filename).expect("input file should be present");
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = create_demuxer(dmx_f, &mut br).expect("demuxer can't be created");
+
+ let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoderMT>)>> = Vec::new();
+ let mut found = false;
+ for i in 0..dmx.get_num_streams() {
+ let s = dmx.get_stream(i).unwrap();
+ let info = s.get_info();
+println!("stream {} codec {} / {}", i, info.get_name(), dec_name);
+ if !found && (info.get_name() == dec_name) {
+ let decfunc = dec_reg.find_decoder(info.get_name());
+ if let Some(df) = decfunc {
+ let mut dec = (df)();
+ let mut dsupp = Box::new(NADecoderSupport::new());
+ dec.init(&mut dsupp, info, dec_threads).unwrap();
+ decs.push(Some((dsupp, dec)));
+ found = true;
+ } else {
+ decs.push(None);
+ }
+ } else {
+ decs.push(None);
+ }
+ }
+
+ let mut md5 = MD5::new();
+ let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test {
+ Some(vec.iter())
+ } else {
+ None
+ };
+ let mut reord = MTFrameReorderer::new();
+ let mut last_ts = None;
+ 'dec_loop: loop {
+ let pktres = dmx.get_frame();
+ if let Err(e) = pktres {
+ if e == DemuxerError::EOF { break; }
+ panic!("error");
+ }
+ let pkt = pktres.expect("packet");
+ let streamno = pkt.get_stream().get_id() as usize;
+ if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
+ if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() {
+ break;
+ }
+ let queue_id = reord.register_frame();
+ match dec.queue_pkt(dsupp, &pkt, queue_id) {
+ Ok(true) => {},
+ Ok(false) => {
+ while !dec.can_take_input() || dec.has_output() {
+ match dec.get_frame() {
+ (Ok(frm), id) => {
+ reord.add_frame(frm, id);
+ while let Some(nfrm) = reord.get_frame() {
+ if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) {
+ break 'dec_loop;
+ }
+ }
+ },
+ (Err(err), id) => {
+ reord.drop_frame(id);
+ panic!("frame {} decoding error {:?}", id, err);
+ },
+ };
+ }
+ match dec.queue_pkt(dsupp, &pkt, queue_id) {
+ Ok(true) => {},
+ Ok(false) => panic!("still can't queue frame!"),
+ Err(err) => panic!("queueing error {:?}", err),
+ };
+ },
+ Err(err) => panic!("queueing error {:?}", err),
+ };
+
+ }
+ }
+ 'tail_loop: for (_, ref mut dec) in decs.iter_mut().flatten() {
+ loop {
+ match dec.get_frame() {
+ (Ok(frm), id) => {
+ reord.add_frame(frm, id);
+ while let Some(nfrm) = reord.get_frame() {
+ if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) {
+ break 'tail_loop;
+ }
+ }
+ },
+ (Err(DecoderError::NoFrame), _) => break,
+ (Err(err), id) => panic!("frame {} decoding error {:?}", id, err),
+ };
+ }
+ while let Some(nfrm) = reord.get_last_frames() {
+ if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) {
+ break;
+ }
+ }
+ }
+ if let ExpectedTestResult::MD5(ref ref_hash) = test {
+ md5.finish();
+ let mut hash = [0u32; 4];
+ md5.get_hash(&mut hash);
+println!("full hash {}", md5);
+ assert_eq!(&hash, ref_hash);
+ }
+ if let ExpectedTestResult::GenerateMD5Frames = test {
+ panic!("generated hashes");
+ }
+}
+
+/// Tests decoding of provided file by outputting video frames as PNM (PPM for RGB video, PGM for YUV).
+///
+/// This function expects the following arguments:
+/// * `demuxer` - container format name (used to find proper demuxer for it)
+/// * `name` - input file name
+/// * `video_pfx` - prefix for video frames written as pictures (output picture names should look like `<crate_name>/assets/test_out/PFXout00_000000.ppm`
+/// * `limit` - optional PTS value after which decoding is stopped
+/// * `dmx_reg` and `dec_reg` - registered demuxers and decoders that should contain demuxer and decoder(s) needed to decode the provided file.
+///
+/// Since the function is intended for tests, it will panic instead of returning an error.
+pub fn test_decode_images(demuxer: &str, name: &str, video_pfx: &str, limit: Option<u64>,
+ 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_video() {
+ let mut dec = (df)();
+ let mut dsupp = Box::new(NADecoderSupport::new());
+ dec.init(&mut dsupp, info).unwrap();
+ decs.push(Some((dsupp, dec)));
+ break;
+ } 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();
+ let streamno = pkt.get_stream().get_id() as usize;
+ if streamno >= decs.len() { continue; }
+ if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] {
+ if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) {
+ if ppts > lim { break; }
+ }
+ let frm = dec.decode(dsupp, &pkt).unwrap();
+ if frm.get_frame_type() != FrameType::Skip {
+ let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() };
+ let pfx = OUTPUT_PREFIX.to_owned() + video_pfx + "out";
+ write_pnm(pfx.as_str(), streamno, pts, frm).unwrap();
+ }
+ }
+ }
+}