nihav-acorn/src/codecs/mod.rs

   1 use nihav_core::codecs::*;
   2
   3 #[cfg(debug_assertions)]
   4 macro_rules! validate {
   5     ($a:expr) => { if !$a { println!("check failed at {}:{}", file!(), line!()); return Err(DecoderError::InvalidData); } };
   6 }
   7 #[cfg(not(debug_assertions))]
   8 macro_rules! validate {
   9     ($a:expr) => { if !$a { return Err(DecoderError::InvalidData); } };
  10 }
  11
  12 #[allow(dead_code)]
  13 const RGB555_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
  14                                         comp_info: [
  15                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift:  0, comp_offs: 0, next_elem: 2 }),
  16                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift:  5, comp_offs: 0, next_elem: 2 }),
  17                                             Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 10, comp_offs: 0, next_elem: 2 }),
  18                                             None, None],
  19                                         elem_size: 2, be: false, alpha: false, palette: false };
  20
  21 #[allow(dead_code)]
  22 mod yuvtab;
  23
  24 #[cfg(feature="decoder_movinglines")]
  25 mod movinglines;
  26 #[cfg(feature="decoder_movingblocks")]
  27 mod movingblocks;
  28
  29 #[cfg(feature="decoder_linepack")]
  30 mod linepack;
  31
  32 const ACORN_CODECS: &[DecoderInfo] = &[
  33 #[cfg(feature="decoder_movinglines")]
  34     DecoderInfo { name: "movinglines", get_decoder: movinglines::get_decoder },
  35 #[cfg(feature="decoder_movingblocks")]
  36     DecoderInfo { name: "movingblocks", get_decoder: movingblocks::get_decoder },
  37
  38 #[cfg(feature="decoder_linepack")]
  39     DecoderInfo { name: "linepack", get_decoder: linepack::get_decoder },
  40 ];
  41
  42 /// Registers all available codecs provided by this crate.
  43 pub fn acorn_register_all_decoders(rd: &mut RegisteredDecoders) {
  44     for decoder in ACORN_CODECS.iter() {
  45         rd.add_decoder(*decoder);
  46     }
  47 }
  48
  49 const ACORN_PACKETISERS: &[PacketiserInfo] = &[
  50 #[cfg(feature="decoder_movinglines")]
  51     PacketiserInfo { name: "movinglines", get_packetiser: movinglines::get_packetiser },
  52 #[cfg(feature="decoder_movingblocks")]
  53     PacketiserInfo { name: "movingblocks", get_packetiser: movingblocks::get_packetiser },
  54
  55 #[cfg(feature="decoder_linepack")]
  56     PacketiserInfo { name: "linepack", get_packetiser: linepack::get_packetiser },
  57 ];
  58
  59 /// Registers all available packetisers provided by this crate.
  60 pub fn acorn_register_all_packetisers(rp: &mut RegisteredPacketisers) {
  61     for pkt in ACORN_PACKETISERS.iter() {
  62         rp.add_packetiser(*pkt);
  63     }
  64 }