Add a crate for handling Acorn ReplayMovie formats

[nihav.git] / nihav-acorn / src / codecs / mod.rs

diff --git a/nihav-acorn/src/codecs/mod.rs b/nihav-acorn/src/codecs/mod.rs
new file mode 100644 (file)
index 0000000..946ac05
--- /dev/null
+++ b/nihav-acorn/src/codecs/mod.rs
@@ -0,0 +1,55 @@
+use nihav_core::codecs::*;
+
+#[cfg(debug_assertions)]
+macro_rules! validate {
+    ($a:expr) => { if !$a { println!("check failed at {}:{}", file!(), line!()); return Err(DecoderError::InvalidData); } };
+}
+#[cfg(not(debug_assertions))]
+macro_rules! validate {
+    ($a:expr) => { if !$a { return Err(DecoderError::InvalidData); } };
+}
+
+#[allow(dead_code)]
+const RGB555_FORMAT: NAPixelFormaton = NAPixelFormaton { model: ColorModel::RGB(RGBSubmodel::RGB), components: 3,
+                                        comp_info: [
+                                            Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift:  0, comp_offs: 0, next_elem: 2 }),
+                                            Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift:  5, comp_offs: 0, next_elem: 2 }),
+                                            Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 5, shift: 10, comp_offs: 0, next_elem: 2 }),
+                                            None, None],
+                                        elem_size: 2, be: false, alpha: false, palette: false };
+
+#[allow(dead_code)]
+mod yuvtab;
+
+#[cfg(feature="decoder_movinglines")]
+mod movinglines;
+#[cfg(feature="decoder_movingblocks")]
+mod movingblocks;
+
+const ACORN_CODECS: &[DecoderInfo] = &[
+#[cfg(feature="decoder_movinglines")]
+    DecoderInfo { name: "movinglines", get_decoder: movinglines::get_decoder },
+#[cfg(feature="decoder_movingblocks")]
+    DecoderInfo { name: "movingblocks", get_decoder: movingblocks::get_decoder },
+];
+
+/// Registers all available codecs provided by this crate.
+pub fn acorn_register_all_decoders(rd: &mut RegisteredDecoders) {
+    for decoder in ACORN_CODECS.iter() {
+        rd.add_decoder(*decoder);
+    }
+}
+
+const ACORN_PACKETISERS: &[PacketiserInfo] = &[
+#[cfg(feature="decoder_movinglines")]
+    PacketiserInfo { name: "movinglines", get_packetiser: movinglines::get_packetiser },
+#[cfg(feature="decoder_movingblocks")]
+    PacketiserInfo { name: "movingblocks", get_packetiser: movingblocks::get_packetiser },
+];
+
+/// Registers all available packetisers provided by this crate.
+pub fn acorn_register_all_packetisers(rp: &mut RegisteredPacketisers) {
+    for pkt in ACORN_PACKETISERS.iter() {
+        rp.add_packetiser(*pkt);
+    }
+}