use nihav_core::formats::YUV420_FORMAT;
use nihav_core::frame::*;
-use nihav_core::codecs::{NADecoder, NADecoderSupport, MV, ZERO_MV, DecoderError, DecoderResult, IPBShuffler};
+use nihav_core::codecs::{NADecoder, NADecoderSupport, DecoderError, DecoderResult};
+use nihav_codec_support::codecs::{MV, ZERO_MV, IPBShuffler};
use nihav_core::io::byteio::{MemoryReader,ByteReader};
use nihav_core::io::bitreader::{BitReader,BitReaderMode};
use nihav_core::io::intcode::*;
const RV60_PU_TYPES: [PUType; 8] = [
PUType::Full, PUType::N2Hor, PUType::N2Ver, PUType::Quarters,
- PUType::N4Hor, PUType::N34Hor, PUType::N4Ver, PUType::N34Ver,
+ PUType::N4Hor, PUType::N34Hor, PUType::N4Ver, PUType::N34Ver,
];
impl PUType {
xpos: usize,
ypos: usize,
+
+ ts_scale: u64,
+ ref0_pts: u64,
+ ref1_pts: u64,
+ ref0_ts: u64,
+ ref1_ts: u64,
}
impl RealVideo60Decoder {
blk_pos: 0,
xpos: 0,
ypos: 0,
+
+ ts_scale: 1,
+ ref0_pts: 0,
+ ref1_pts: 0,
+ ref0_ts: 0,
+ ref1_ts: 0,
}
}
fn decode_cu_line(&mut self, buf: &mut NASimpleVideoFrame<u8>, hdr: &FrameHeader, src: &[u8], cu_y: usize) -> DecoderResult<()> {
- let mut br = BitReader::new(src, src.len(), BitReaderMode::BE);
+ let mut br = BitReader::new(src, BitReaderMode::BE);
let cu_w = hdr.get_width_cu();
let dqp = hdr.read_line_qp_offset(&mut br)?;
let qps = (hdr.qp as i8) + dqp;
} else {
b_mv = ZERO_MV;
}
-
+
MVInfo { f_mv: mvi.f_mv + f_mv, b_mv: mvi.b_mv + b_mv, mvref: mvi.mvref }
}
fn fill_skip_cand(&mut self, hdr: &FrameHeader, skip_cand: &mut UniqueList<MVInfo>, size: usize) {
validate!(src.len() > 9);
let hsize = (src[0] as usize) * 8 + 9;
- let mut br = BitReader::new(&src[hsize..], src.len() - hsize, BitReaderMode::BE);
+ let mut br = BitReader::new(&src[hsize..], BitReaderMode::BE);
let hdr = FrameHeader::read(&mut br)?;
let mut slices: Vec<usize> = Vec::new();
hdr.parse_slice_sizes(&mut br, &mut slices)?;
+ match hdr.ftype {
+ FrameType::P => {
+ if self.ipbs.get_lastref().is_none() {
+ return Err(DecoderError::MissingReference);
+ }
+ },
+ FrameType::B => {
+ if self.ipbs.get_lastref().is_none() {
+ return Err(DecoderError::MissingReference);
+ }
+ if self.ipbs.get_nextref().is_none() {
+ return Err(DecoderError::MissingReference);
+ }
+ },
+ _ => {},
+ };
let tmp_vinfo = NAVideoInfo::new(hdr.width, hdr.height, false, YUV420_FORMAT);
let ret = supp.pool_u8.get_free();
self.ipbs.add_frame(buf.clone());
}
+ if hdr.ftype != FrameType::B {
+ self.ref0_pts = self.ref1_pts;
+ self.ref1_pts = pkt.get_pts().unwrap_or(0);
+ self.ref0_ts = self.ref1_ts;
+ self.ref1_ts = hdr.ts as u64;
+ if (self.ref1_pts > self.ref0_pts) && (self.ref1_ts > self.ref0_ts) {
+ self.ts_scale = (self.ref1_pts - self.ref0_pts) / (self.ref1_ts - self.ref0_ts);
+ }
+ }
let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf));
frm.set_keyframe(hdr.ftype == FrameType::I);
- frm.set_pts(Some(hdr.ts as u64));
+ if hdr.ftype == FrameType::B {
+ let pts = self.ref0_pts + ((hdr.ts as u64) - self.ref0_ts) * self.ts_scale;
+ frm.set_pts(Some(pts));
+ }
frm.set_frame_type(hdr.ftype);
Ok(frm.into_ref())
}
}
}
-pub fn get_decoder() -> Box<dyn NADecoder> {
+pub fn get_decoder() -> Box<dyn NADecoder + Send> {
Box::new(RealVideo60Decoder::new())
}
mod test {
use nihav_core::codecs::RegisteredDecoders;
use nihav_core::demuxers::RegisteredDemuxers;
- use nihav_core::test::dec_video::*;
- use crate::codecs::realmedia_register_all_codecs;
- use crate::demuxers::realmedia_register_all_demuxers;
+ use nihav_codec_support::test::dec_video::*;
+ use crate::realmedia_register_all_codecs;
+ use crate::realmedia_register_all_demuxers;
#[test]
fn test_rv60() {
let mut dmx_reg = RegisteredDemuxers::new();