--- /dev/null
+use io::bitreader::*;
+use io::codebook::*;
+use formats;
+use super::*;
+
+static INDEO2_DELTA_TABLE: [[u8; 256]; 4] = [
+ [
+ 0x80, 0x80, 0x84, 0x84, 0x7C, 0x7C, 0x7F, 0x85,
+ 0x81, 0x7B, 0x85, 0x7F, 0x7B, 0x81, 0x8C, 0x8C,
+ 0x74, 0x74, 0x83, 0x8D, 0x7D, 0x73, 0x8D, 0x83,
+ 0x73, 0x7D, 0x77, 0x89, 0x89, 0x77, 0x89, 0x77,
+ 0x77, 0x89, 0x8C, 0x95, 0x74, 0x6B, 0x95, 0x8C,
+ 0x6B, 0x74, 0x7C, 0x90, 0x84, 0x70, 0x90, 0x7C,
+ 0x70, 0x84, 0x96, 0x96, 0x6A, 0x6A, 0x82, 0x98,
+ 0x7E, 0x68, 0x98, 0x82, 0x68, 0x7E, 0x97, 0xA2,
+ 0x69, 0x5E, 0xA2, 0x97, 0x5E, 0x69, 0xA2, 0xA2,
+ 0x5E, 0x5E, 0x8B, 0xA3, 0x75, 0x5D, 0xA3, 0x8B,
+ 0x5D, 0x75, 0x71, 0x95, 0x8F, 0x6B, 0x95, 0x71,
+ 0x6B, 0x8F, 0x78, 0x9D, 0x88, 0x63, 0x9D, 0x78,
+ 0x63, 0x88, 0x7F, 0xA7, 0x81, 0x59, 0xA7, 0x7F,
+ 0x59, 0x81, 0xA4, 0xB1, 0x5C, 0x4F, 0xB1, 0xA4,
+ 0x4F, 0x5C, 0x96, 0xB1, 0x6A, 0x4F, 0xB1, 0x96,
+ 0x4F, 0x6A, 0xB2, 0xB2, 0x4E, 0x4E, 0x65, 0x9B,
+ 0x9B, 0x65, 0x9B, 0x65, 0x65, 0x9B, 0x89, 0xB4,
+ 0x77, 0x4C, 0xB4, 0x89, 0x4C, 0x77, 0x6A, 0xA3,
+ 0x96, 0x5D, 0xA3, 0x6A, 0x5D, 0x96, 0x73, 0xAC,
+ 0x8D, 0x54, 0xAC, 0x73, 0x54, 0x8D, 0xB4, 0xC3,
+ 0x4C, 0x3D, 0xC3, 0xB4, 0x3D, 0x4C, 0xA4, 0xC3,
+ 0x5C, 0x3D, 0xC3, 0xA4, 0x3D, 0x5C, 0xC4, 0xC4,
+ 0x3C, 0x3C, 0x96, 0xC6, 0x6A, 0x3A, 0xC6, 0x96,
+ 0x3A, 0x6A, 0x7C, 0xBA, 0x84, 0x46, 0xBA, 0x7C,
+ 0x46, 0x84, 0x5B, 0xAB, 0xA5, 0x55, 0xAB, 0x5B,
+ 0x55, 0xA5, 0x63, 0xB4, 0x9D, 0x4C, 0xB4, 0x63,
+ 0x4C, 0x9D, 0x86, 0xCA, 0x7A, 0x36, 0xCA, 0x86,
+ 0x36, 0x7A, 0xB6, 0xD7, 0x4A, 0x29, 0xD7, 0xB6,
+ 0x29, 0x4A, 0xC8, 0xD7, 0x38, 0x29, 0xD7, 0xC8,
+ 0x29, 0x38, 0xA4, 0xD8, 0x5C, 0x28, 0xD8, 0xA4,
+ 0x28, 0x5C, 0x6C, 0xC1, 0x94, 0x3F, 0xC1, 0x6C,
+ 0x3F, 0x94, 0xD9, 0xD9, 0x27, 0x27, 0x80, 0x80,
+ ], [
+ 0x80, 0x80, 0x85, 0x85, 0x7B, 0x7B, 0x7E, 0x87,
+ 0x82, 0x79, 0x87, 0x7E, 0x79, 0x82, 0x8F, 0x8F,
+ 0x71, 0x71, 0x84, 0x8F, 0x7C, 0x71, 0x8F, 0x84,
+ 0x71, 0x7C, 0x75, 0x8B, 0x8B, 0x75, 0x8B, 0x75,
+ 0x75, 0x8B, 0x8E, 0x9A, 0x72, 0x66, 0x9A, 0x8E,
+ 0x66, 0x72, 0x7B, 0x93, 0x85, 0x6D, 0x93, 0x7B,
+ 0x6D, 0x85, 0x9B, 0x9B, 0x65, 0x65, 0x82, 0x9D,
+ 0x7E, 0x63, 0x9D, 0x82, 0x63, 0x7E, 0x9B, 0xA8,
+ 0x65, 0x58, 0xA8, 0x9B, 0x58, 0x65, 0xA9, 0xA9,
+ 0x57, 0x57, 0x8D, 0xAA, 0x73, 0x56, 0xAA, 0x8D,
+ 0x56, 0x73, 0x6E, 0x99, 0x92, 0x67, 0x99, 0x6E,
+ 0x67, 0x92, 0x76, 0xA2, 0x8A, 0x5E, 0xA2, 0x76,
+ 0x5E, 0x8A, 0x7F, 0xAF, 0x81, 0x51, 0xAF, 0x7F,
+ 0x51, 0x81, 0xAB, 0xBA, 0x55, 0x46, 0xBA, 0xAB,
+ 0x46, 0x55, 0x9A, 0xBB, 0x66, 0x45, 0xBB, 0x9A,
+ 0x45, 0x66, 0xBB, 0xBB, 0x45, 0x45, 0x60, 0xA0,
+ 0xA0, 0x60, 0xA0, 0x60, 0x60, 0xA0, 0x8B, 0xBE,
+ 0x75, 0x42, 0xBE, 0x8B, 0x42, 0x75, 0x66, 0xAA,
+ 0x9A, 0x56, 0xAA, 0x66, 0x56, 0x9A, 0x70, 0xB5,
+ 0x90, 0x4B, 0xB5, 0x70, 0x4B, 0x90, 0xBE, 0xCF,
+ 0x42, 0x31, 0xCF, 0xBE, 0x31, 0x42, 0xAB, 0xD0,
+ 0x55, 0x30, 0xD0, 0xAB, 0x30, 0x55, 0xD1, 0xD1,
+ 0x2F, 0x2F, 0x9A, 0xD3, 0x66, 0x2D, 0xD3, 0x9A,
+ 0x2D, 0x66, 0x7B, 0xC5, 0x85, 0x3B, 0xC5, 0x7B,
+ 0x3B, 0x85, 0x54, 0xB4, 0xAC, 0x4C, 0xB4, 0x54,
+ 0x4C, 0xAC, 0x5E, 0xBE, 0xA2, 0x42, 0xBE, 0x5E,
+ 0x42, 0xA2, 0x87, 0xD8, 0x79, 0x28, 0xD8, 0x87,
+ 0x28, 0x79, 0xC0, 0xE8, 0x40, 0x18, 0xE8, 0xC0,
+ 0x18, 0x40, 0xD5, 0xE8, 0x2B, 0x18, 0xE8, 0xD5,
+ 0x18, 0x2B, 0xAB, 0xE9, 0x55, 0x17, 0xE9, 0xAB,
+ 0x17, 0x55, 0x68, 0xCD, 0x98, 0x33, 0xCD, 0x68,
+ 0x33, 0x98, 0xEA, 0xEA, 0x16, 0x16, 0x80, 0x80,
+ ], [
+ 0x80, 0x80, 0x86, 0x86, 0x7A, 0x7A, 0x7E, 0x88,
+ 0x82, 0x78, 0x88, 0x7E, 0x78, 0x82, 0x92, 0x92,
+ 0x6E, 0x6E, 0x85, 0x92, 0x7B, 0x6E, 0x92, 0x85,
+ 0x6E, 0x7B, 0x73, 0x8D, 0x8D, 0x73, 0x8D, 0x73,
+ 0x73, 0x8D, 0x91, 0x9E, 0x6F, 0x62, 0x9E, 0x91,
+ 0x62, 0x6F, 0x79, 0x97, 0x87, 0x69, 0x97, 0x79,
+ 0x69, 0x87, 0xA0, 0xA0, 0x60, 0x60, 0x83, 0xA2,
+ 0x7D, 0x5E, 0xA2, 0x83, 0x5E, 0x7D, 0xA0, 0xB0,
+ 0x60, 0x50, 0xB0, 0xA0, 0x50, 0x60, 0xB1, 0xB1,
+ 0x4F, 0x4F, 0x8F, 0xB2, 0x71, 0x4E, 0xB2, 0x8F,
+ 0x4E, 0x71, 0x6B, 0x9E, 0x95, 0x62, 0x9E, 0x6B,
+ 0x62, 0x95, 0x74, 0xA9, 0x8C, 0x57, 0xA9, 0x74,
+ 0x57, 0x8C, 0x7F, 0xB8, 0x81, 0x48, 0xB8, 0x7F,
+ 0x48, 0x81, 0xB4, 0xC5, 0x4C, 0x3B, 0xC5, 0xB4,
+ 0x3B, 0x4C, 0x9F, 0xC6, 0x61, 0x3A, 0xC6, 0x9F,
+ 0x3A, 0x61, 0xC6, 0xC6, 0x3A, 0x3A, 0x59, 0xA7,
+ 0xA7, 0x59, 0xA7, 0x59, 0x59, 0xA7, 0x8D, 0xCA,
+ 0x73, 0x36, 0xCA, 0x8D, 0x36, 0x73, 0x61, 0xB2,
+ 0x9F, 0x4E, 0xB2, 0x61, 0x4E, 0x9F, 0x6D, 0xBF,
+ 0x93, 0x41, 0xBF, 0x6D, 0x41, 0x93, 0xCA, 0xDF,
+ 0x36, 0x21, 0xDF, 0xCA, 0x21, 0x36, 0xB3, 0xDF,
+ 0x4D, 0x21, 0xDF, 0xB3, 0x21, 0x4D, 0xE1, 0xE1,
+ 0x1F, 0x1F, 0x9F, 0xE3, 0x61, 0x1D, 0xE3, 0x9F,
+ 0x1D, 0x61, 0x7A, 0xD3, 0x86, 0x2D, 0xD3, 0x7A,
+ 0x2D, 0x86, 0x4C, 0xBE, 0xB4, 0x42, 0xBE, 0x4C,
+ 0x42, 0xB4, 0x57, 0xCA, 0xA9, 0x36, 0xCA, 0x57,
+ 0x36, 0xA9, 0x88, 0xE9, 0x78, 0x17, 0xE9, 0x88,
+ 0x17, 0x78, 0xCC, 0xFB, 0x34, 0x05, 0xFB, 0xCC,
+ 0x05, 0x34, 0xE6, 0xFB, 0x1A, 0x05, 0xFB, 0xE6,
+ 0x05, 0x1A, 0xB4, 0xFD, 0x4C, 0x03, 0xFD, 0xB4,
+ 0x03, 0x4C, 0x63, 0xDC, 0x9D, 0x24, 0xDC, 0x63,
+ 0x24, 0x9D, 0xFE, 0xFE, 0x02, 0x02, 0x80, 0x80,
+ ], [
+ 0x80, 0x80, 0x87, 0x87, 0x79, 0x79, 0x7E, 0x89,
+ 0x82, 0x77, 0x89, 0x7E, 0x77, 0x82, 0x95, 0x95,
+ 0x6B, 0x6B, 0x86, 0x96, 0x7A, 0x6A, 0x96, 0x86,
+ 0x6A, 0x7A, 0x70, 0x90, 0x90, 0x70, 0x90, 0x70,
+ 0x70, 0x90, 0x94, 0xA4, 0x6C, 0x5C, 0xA4, 0x94,
+ 0x5C, 0x6C, 0x78, 0x9B, 0x88, 0x65, 0x9B, 0x78,
+ 0x65, 0x88, 0xA6, 0xA6, 0x5A, 0x5A, 0x83, 0xA9,
+ 0x7D, 0x57, 0xA9, 0x83, 0x57, 0x7D, 0xA6, 0xB9,
+ 0x5A, 0x47, 0xB9, 0xA6, 0x47, 0x5A, 0xBA, 0xBA,
+ 0x46, 0x46, 0x92, 0xBC, 0x6E, 0x44, 0xBC, 0x92,
+ 0x44, 0x6E, 0x67, 0xA3, 0x99, 0x5D, 0xA3, 0x67,
+ 0x5D, 0x99, 0x72, 0xB0, 0x8E, 0x50, 0xB0, 0x72,
+ 0x50, 0x8E, 0x7F, 0xC3, 0x81, 0x3D, 0xC3, 0x7F,
+ 0x3D, 0x81, 0xBE, 0xD2, 0x42, 0x2E, 0xD2, 0xBE,
+ 0x2E, 0x42, 0xA5, 0xD4, 0x5B, 0x2C, 0xD4, 0xA5,
+ 0x2C, 0x5B, 0xD4, 0xD4, 0x2C, 0x2C, 0x52, 0xAE,
+ 0xAE, 0x52, 0xAE, 0x52, 0x52, 0xAE, 0x8F, 0xD8,
+ 0x71, 0x28, 0xD8, 0x8F, 0x28, 0x71, 0x5B, 0xBB,
+ 0xA5, 0x45, 0xBB, 0x5B, 0x45, 0xA5, 0x69, 0xCB,
+ 0x97, 0x35, 0xCB, 0x69, 0x35, 0x97, 0xD8, 0xF0,
+ 0x28, 0x10, 0xF0, 0xD8, 0x10, 0x28, 0xBD, 0xF1,
+ 0x43, 0x0F, 0xF1, 0xBD, 0x0F, 0x43, 0xF3, 0xF3,
+ 0x0D, 0x0D, 0xA5, 0xF6, 0x5B, 0x0A, 0xF6, 0xA5,
+ 0x0A, 0x5B, 0x78, 0xE2, 0x88, 0x1E, 0xE2, 0x78,
+ 0x1E, 0x88, 0x42, 0xC9, 0xBE, 0x37, 0xC9, 0x42,
+ 0x37, 0xBE, 0x4F, 0xD8, 0xB1, 0x28, 0xD8, 0x4F,
+ 0x28, 0xB1, 0x8A, 0xFD, 0x76, 0x03, 0xFD, 0x8A,
+ 0x03, 0x76, 0xDB, 0xFF, 0x25, 0x01, 0xFF, 0xDB,
+ 0x01, 0x25, 0xF9, 0xFF, 0x07, 0x01, 0xFF, 0xF9,
+ 0x01, 0x07, 0xBE, 0xFF, 0x42, 0x01, 0xFF, 0xBE,
+ 0x01, 0x42, 0x5E, 0xED, 0xA2, 0x13, 0xED, 0x5E,
+ 0x13, 0xA2, 0xFF, 0xFF, 0x01, 0x01, 0x80, 0x80,
+ ]
+];
+
+static INDEO2_CODE_CODES: &[u16] = &[
+ 0x0000, 0x0004, 0x0006, 0x0001, 0x0009, 0x0019, 0x000D, 0x001D,
+ 0x0023, 0x0013, 0x0033, 0x000B, 0x002B, 0x001B, 0x0007, 0x0087,
+ 0x0027, 0x00A7, 0x0067, 0x00E7, 0x0097, 0x0057, 0x0037, 0x00B7,
+ 0x00F7, 0x000F, 0x008F, 0x018F, 0x014F, 0x00CF, 0x002F, 0x012F,
+ 0x01AF, 0x006F, 0x00EF, 0x01EF, 0x001F, 0x021F, 0x011F, 0x031F,
+ 0x009F, 0x029F, 0x019F, 0x039F, 0x005F, 0x025F, 0x015F, 0x035F,
+ 0x00DF, 0x02DF, 0x01DF, 0x03DF, 0x003F, 0x103F, 0x083F, 0x183F,
+ 0x043F, 0x143F, 0x0C3F, 0x1C3F, 0x023F, 0x123F, 0x0A3F, 0x1A3F,
+ 0x063F, 0x163F, 0x0E3F, 0x1E3F, 0x013F, 0x113F, 0x093F, 0x193F,
+ 0x053F, 0x153F, 0x0D3F, 0x1D3F, 0x033F, 0x133F, 0x0B3F, 0x1B3F,
+ 0x073F, 0x173F, 0x0F3F, 0x1F3F, 0x00BF, 0x10BF, 0x08BF, 0x18BF,
+ 0x04BF, 0x14BF, 0x0CBF, 0x1CBF, 0x02BF, 0x12BF, 0x0ABF, 0x1ABF,
+ 0x06BF, 0x16BF, 0x0EBF, 0x1EBF, 0x01BF, 0x11BF, 0x09BF, 0x19BF,
+ 0x05BF, 0x15BF, 0x0DBF, 0x1DBF, 0x03BF, 0x13BF, 0x0BBF, 0x1BBF,
+ 0x07BF, 0x17BF, 0x0FBF, 0x1FBF, 0x007F, 0x207F, 0x107F, 0x307F,
+ 0x087F, 0x287F, 0x187F, 0x387F, 0x047F, 0x247F, 0x147F, 0x0002,
+ 0x0011, 0x0005, 0x0015, 0x0003, 0x003B, 0x0047, 0x00C7, 0x0017,
+ 0x00D7, 0x0077, 0x010F, 0x004F, 0x01CF, 0x00AF, 0x016F
+];
+
+static INDEO2_CODE_LENGTHS: &[u8] = &[
+ 3, 3, 3, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3,
+ 5, 5, 5, 6, 6, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9
+];
+
+struct IR2CodeReader { }
+
+impl CodebookDescReader<u8> for IR2CodeReader {
+ fn bits(&mut self, idx: usize) -> u8 { INDEO2_CODE_LENGTHS[idx] }
+ fn code(&mut self, idx: usize) -> u32 { INDEO2_CODE_CODES[idx] as u32 }
+ fn sym (&mut self, idx: usize) -> u8 {
+ if idx < 0x7F { (idx + 1) as u8 } else { (idx + 2) as u8 }
+ }
+ fn len(&mut self) -> usize { INDEO2_CODE_LENGTHS.len() }
+}
+
+pub struct Indeo2Decoder {
+ info: Rc<NACodecInfo>,
+ cb: Codebook<u8>,
+ lastfrm: Option<Rc<NAFrame>>,
+}
+
+impl Indeo2Decoder {
+ pub fn new() -> Self {
+ let dummy_info = Rc::new(DUMMY_CODEC_INFO);
+ let mut coderead = IR2CodeReader{};
+ let cb = Codebook::new(&mut coderead, CodebookMode::LSB).unwrap();
+ Indeo2Decoder { info: dummy_info, cb: cb, lastfrm: None }
+ }
+
+ fn decode_plane_intra(&self, br: &mut BitReader,
+ frm: &mut NAFrame, planeno: usize,
+ tableno: usize) -> DecoderResult<()> {
+ let offs = frm.get_offset(planeno);
+ let (w, h) = frm.get_dimensions(planeno);
+ let stride = frm.get_stride(planeno);
+ let cb = &self.cb;
+
+ let mut buffer = frm.get_buffer_mut().unwrap();
+ let mut data = buffer.get_data_mut().unwrap();
+ let mut framebuf: &mut [u8] = data.as_mut_slice();
+
+ let table = &INDEO2_DELTA_TABLE[tableno];
+
+ let mut base = offs;
+ let mut x: usize = 0;
+ while x < w {
+ let idx = br.read_cb(cb)? as usize;
+ if idx >= 0x80 {
+ let run = (idx - 0x80) * 2;
+ if x + run > w { return Err(DecoderError::InvalidData); }
+ for i in 0..run {
+ framebuf[base + x + i] = 0x80;
+ }
+ x += run;
+ } else {
+ framebuf[base + x + 0] = table[(idx * 2 + 0) as usize];
+ framebuf[base + x + 1] = table[(idx * 2 + 1) as usize];
+ x += 2;
+ }
+ }
+ base += stride;
+ for _ in 1..h {
+ let mut x: usize = 0;
+ while x < w {
+ let idx = br.read_cb(cb)? as usize;
+ if idx >= 0x80 {
+ let run = (idx - 0x80) * 2;
+ if x + run > w { return Err(DecoderError::InvalidData); }
+ for i in 0..run {
+ framebuf[base + x + i] = framebuf[base + x + i - stride];
+ }
+ x += run;
+ } else {
+ 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;
+ pix0 += delta0;
+ pix1 += delta1;
+ if pix0 < 0 { pix0 = 0; }
+ if pix1 < 0 { pix1 = 0; }
+ if pix0 > 255 { pix0 = 255; }
+ if pix1 > 255 { pix1 = 255; }
+ framebuf[base + x + 0] = pix0 as u8;
+ framebuf[base + x + 1] = pix1 as u8;
+ x += 2;
+ }
+ }
+ base += stride;
+ }
+ Ok(())
+ }
+
+ fn decode_plane_inter(&self, br: &mut BitReader,
+ frm: &mut NAFrame, planeno: usize,
+ tableno: usize) -> DecoderResult<()> {
+ let offs = frm.get_offset(planeno);
+ let (w, h) = frm.get_dimensions(planeno);
+ let stride = frm.get_stride(planeno);
+ let cb = &self.cb;
+
+ let mut buffer = frm.get_buffer_mut().unwrap();
+ let mut data = buffer.get_data_mut().unwrap();
+ let mut framebuf: &mut [u8] = data.as_mut_slice();
+
+ let table = &INDEO2_DELTA_TABLE[tableno];
+
+ let mut base = offs;
+ for _ in 0..h {
+ let mut x: usize = 0;
+ while x < w {
+ let idx = br.read_cb(cb)? as usize;
+ if idx >= 0x80 {
+ let run = (idx - 0x80) * 2;
+ if x + run > w { return Err(DecoderError::InvalidData); }
+ x += run;
+ } else {
+ 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;
+ if pix0 < 0 { pix0 = 0; }
+ if pix1 < 0 { pix1 = 0; }
+ if pix0 > 255 { pix0 = 255; }
+ if pix1 > 255 { pix1 = 255; }
+ framebuf[base + x + 0] = pix0 as u8;
+ framebuf[base + x + 1] = pix1 as u8;
+ x += 2;
+ }
+ }
+ base += stride;
+ }
+ Ok(())
+ }
+}
+
+const IR2_START: usize = 48;
+
+impl NADecoder for Indeo2Decoder {
+ #[allow(unused_variables)]
+ fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
+ 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));
+ self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()));
+ Ok(())
+ } else {
+ Err(DecoderError::InvalidData)
+ }
+ }
+ fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<Rc<NAFrame>> {
+ let src = pkt.get_buffer();
+ if src.len() <= IR2_START { return Err(DecoderError::ShortData); }
+ let interframe = src[18];
+ let tabs = src[34];
+ let mut br = BitReader::new(&src[IR2_START..], src.len() - IR2_START, BitReaderMode::LE);
+ let luma_tab = tabs & 3;
+ let chroma_tab = (tabs >> 2) & 3;
+ if interframe != 0 {
+ let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone());
+ for plane in 0..3 {
+ let tabidx = (if plane == 0 { luma_tab } else { chroma_tab }) as usize;
+ self.decode_plane_intra(&mut br, &mut frm, plane, tabidx)?;
+ }
+ let rcf = Rc::new(frm);
+ self.lastfrm = Some(rcf.clone());
+ Ok(rcf)
+ } else {
+ let lf = self.lastfrm.clone();
+ if let None = lf { return Err(DecoderError::MissingReference); }
+ let lastfr = lf.unwrap();
+ let mut frm = NAFrame::from_copy(lastfr.as_ref());
+ frm.fill_timestamps(pkt);
+ for plane in 0..3 {
+ let tabidx = (if plane == 0 { luma_tab } else { chroma_tab }) as usize;
+ self.decode_plane_inter(&mut br, &mut frm, plane, tabidx)?;
+ }
+ let rcf = Rc::new(frm);
+ self.lastfrm = Some(rcf.clone());
+ Ok(rcf)
+ }
+ }
+}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+ use demuxers::avi::*;
+ use io::byteio::*;
+ use std::fs::File;
+ use std::io::prelude::*;
+
+ #[test]
+ fn test_indeo2() {
+ let mut file = File::open("assets/laser05.avi").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = AVIDemuxer::new(&mut br);
+ dmx.open().unwrap();
+ let mut dec = Indeo2Decoder::new();
+
+ let mut str: u32 = 42;
+ for i in 0..dmx.get_num_streams() {
+ let s = dmx.get_stream(i).unwrap();
+ let info = s.get_info();
+ if info.is_video() && info.get_name() == "indeo2" {
+ str = s.get_id();
+ dec.init(s.get_info()).unwrap();
+ break;
+ }
+ }
+
+ loop {
+ let pktres = dmx.get_frame();
+ if let Err(e) = pktres {
+ if (e as i32) == (DemuxerError::EOF as i32) { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ if pkt.get_stream().get_id() == str {
+ let frm = dec.decode(&pkt).unwrap();
+ write_pgmyuv(pkt.get_pts().unwrap(), &frm);
+ }
+ }
+ }
+
+ fn write_pgmyuv(num: u64, frm: &NAFrame) {
+ let name = format!("assets/out{:04}.pgm", num);
+ let mut ofile = File::create(name).unwrap();
+ let (w, h) = frm.get_dimensions(0);
+ let (w2, h2) = frm.get_dimensions(1);
+ let tot_h = h + h2;
+ let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
+ ofile.write_all(hdr.as_bytes()).unwrap();
+ let buf = frm.get_buffer();
+ let dta = buf.get_data();
+ let ls = frm.get_stride(0);
+ let mut idx = 0;
+ let mut idx2 = ls;
+ let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2);
+ pad.resize((w - w2 * 2) / 2, 0xFF);
+ for _ in 0..h {
+ let line = &dta[idx..idx2];
+ ofile.write_all(line).unwrap();
+ idx += ls;
+ idx2 += ls;
+ }
+ let mut base1 = frm.get_offset(1);
+ let stride1 = frm.get_stride(1);
+ let mut base2 = frm.get_offset(2);
+ let stride2 = frm.get_stride(2);
+ for _ in 0..h2 {
+ let bend1 = base1 + w2;
+ let line = &dta[base1..bend1];
+ ofile.write_all(line).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+
+ let bend2 = base2 + w2;
+ let line = &dta[base2..bend2];
+ ofile.write_all(line).unwrap();
+ ofile.write_all(pad.as_slice()).unwrap();
+
+ base1 += stride1;
+ base2 += stride2;
+ }
+ }
+}
projects / nihav.git / commitdiff