impl CodebookDescReader<u8> for IR2CodeReader {
fn bits(&mut self, idx: usize) -> u8 { INDEO2_CODE_LENGTHS[idx] }
impl CodebookDescReader<u8> for IR2CodeReader {
fn bits(&mut self, idx: usize) -> u8 { INDEO2_CODE_LENGTHS[idx] }
fn sym (&mut self, idx: usize) -> u8 {
if idx < 0x7F { (idx + 1) as u8 } else { (idx + 2) as u8 }
}
fn sym (&mut self, idx: usize) -> u8 {
if idx < 0x7F { (idx + 1) as u8 } else { (idx + 2) as u8 }
}
let mut coderead = IR2CodeReader{};
let cb = Codebook::new(&mut coderead, CodebookMode::LSB).unwrap();
let mut coderead = IR2CodeReader{};
let cb = Codebook::new(&mut coderead, CodebookMode::LSB).unwrap();
- let delta0 = (table[idx * 2 + 0] as i16) - 0x80;
- let delta1 = (table[idx * 2 + 1] as i16) - 0x80;
- let mut pix0 = framebuf[base + x + 0 - stride] as i16;
- let mut pix1 = framebuf[base + x + 1 - stride] as i16;
+ let delta0 = i16::from(table[idx * 2 + 0]) - 0x80;
+ let delta1 = i16::from(table[idx * 2 + 1]) - 0x80;
+ let mut pix0 = i16::from(framebuf[base + x + 0 - stride]);
+ let mut pix1 = i16::from(framebuf[base + x + 1 - stride]);
- let delta0 = (table[idx * 2 + 0] as i16) - 0x80;
- let delta1 = (table[idx * 2 + 1] as i16) - 0x80;
- let mut pix0 = framebuf[base + x + 0] as i16;
- let mut pix1 = framebuf[base + x + 1] as i16;
- pix0 += delta0 * 3 >> 2;
- pix1 += delta1 * 3 >> 2;
+ let delta0 = i16::from(table[idx * 2 + 0]) - 0x80;
+ let delta1 = i16::from(table[idx * 2 + 1]) - 0x80;
+ let mut pix0 = i16::from(framebuf[base + x + 0]);
+ let mut pix1 = i16::from(framebuf[base + x + 1]);
+ pix0 += (delta0 * 3) >> 2;
+ pix1 += (delta1 * 3) >> 2;
if pix0 < 0 { pix0 = 0; }
if pix1 < 0 { pix1 = 0; }
if pix0 > 255 { pix0 = 255; }
if pix0 < 0 { pix0 = 0; }
if pix1 < 0 { pix1 = 0; }
if pix0 > 255 { pix0 = 255; }
if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
let w = vinfo.get_width();
let h = vinfo.get_height();
let f = vinfo.is_flipped();
let fmt = formats::YUV410_FORMAT;
let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, f, fmt));
if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
let w = vinfo.get_width();
let h = vinfo.get_height();
let f = vinfo.is_flipped();
let fmt = formats::YUV410_FORMAT;
let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, f, fmt));
let src = pkt.get_buffer();
if src.len() <= IR2_START { return Err(DecoderError::ShortData); }
let interframe = src[18];
let src = pkt.get_buffer();
if src.len() <= IR2_START { return Err(DecoderError::ShortData); }
let interframe = src[18];
- let bufret = alloc_video_buffer(vinfo, 2);
- if let Err(_) = bufret { return Err(DecoderError::InvalidData); }
- let bufinfo = bufret.unwrap();
+ let bufinfo = alloc_video_buffer(vinfo, 2)?;
let mut buf = bufinfo.get_vbuf().unwrap();
for plane in 0..3 {
let tabidx = (if plane == 0 { luma_tab } else { chroma_tab }) as usize;
let mut buf = bufinfo.get_vbuf().unwrap();
for plane in 0..3 {
let tabidx = (if plane == 0 { luma_tab } else { chroma_tab }) as usize;
let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
frm.set_keyframe(true);
frm.set_frame_type(FrameType::I);
let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
frm.set_keyframe(true);
frm.set_frame_type(FrameType::I);
let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf));
frm.set_keyframe(false);
frm.set_frame_type(FrameType::P);
let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf));
frm.set_keyframe(false);
frm.set_frame_type(FrameType::P);