X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=src%2Fcodecs%2Fh263%2Fdata.rs;h=b5d3cb1d1037a4e65d6cc01448022a57a15d6e33;hb=47add47cb6a02a68e6e94755ba24ff348ca2065b;hp=928b1cf57150d4d42d838972e3230676564d0a79;hpb=de919937c067ff7ba0e0f138d5c9bd524dbcaff4;p=nihav.git

diff --git a/src/codecs/h263/data.rs b/src/codecs/h263/data.rs
index 928b1cf..b5d3cb1 100644
--- a/src/codecs/h263/data.rs
+++ b/src/codecs/h263/data.rs
@@ -69,8 +69,48 @@ pub const H263_MV: &[(u8, u8)] = &[
     ( 2, 12)
 ];
 
+pub const H263_MBTYPE_B: &[(u8, u8)] = &[
+    (1,  1), (3,  3), (1,  5), (4,  4), (5,  4), (6,  6), (2,  4), (3,  4),
+    (7,  6), (4,  6), (5,  6), (1,  6), (1,  7), (1,  8), (1, 10)
+];
+
+// 0x1 - direct, 0x2 - has quant, 0x4 - has CBP, 0x8 - has dquant, 0x10 - has fwd, 0x20 - has bwd, 0x40 - intra
+
+pub const H263_MBB_CAP_CODED:    u8 = 0x2;
+pub const H263_MBB_CAP_DQUANT:   u8 = 0x4;
+pub const H263_MBB_CAP_FORWARD:  u8 = 0x10;
+pub const H263_MBB_CAP_BACKWARD: u8 = 0x20;
+pub const H263_MBB_CAP_INTRA:    u8 = 0x80;
+
+pub const H263_MBTYPE_B_CAPS: &[u8] = &[
+    0x00, 0x02, 0x06, // skipped, direct, direct+dq
+    0x10, 0x12, 0x16, // forward, coded forward, forward+dq
+    0x20, 0x22, 0x26, // backward, coded backward, backward+dq
+    0x30, 0x32, 0x36, // bidir, coded bidir, bidir+dq
+          0x82, 0x86  // intra, intra+dq
+];
+
+pub const H263_CBPC_B: &[(u8, u8)] = &[
+    (0, 1), (2, 2), (7, 3), (6, 3)
+];
+
 pub const H263_DQUANT_TAB: &[i8] = &[-1, -2, 1, 2];
 
+pub const H263_MODIFIED_QUANT: [[u8; 32]; 2] = [
+  [
+     0,  3,  1,  2,  3,  4,  5,  6,  7,  8,  9,  9, 10, 11, 12, 13,
+    14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28
+  ], [
+     0,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 13, 14, 15, 16, 17,
+    18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 31, 31, 26
+  ]
+];
+
+pub const H263_CHROMA_QUANT: [u8; 32] = [
+     0,  1,  2,  3,  4,  5,  6,  6,  7,  8,  9,  9, 10, 10, 11, 11,
+    12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15
+];
+
 pub struct H263ShortCodeReader { tab: &'static [(u8, u8)] }
 
 impl H263ShortCodeReader {