Initial revision

Originally committed as revision 2 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 151 insertions, 0 deletions

diff --git a/libav/h263data.h b/libav/h263data.h
new file mode 100644
index 0000000000..1cf6f4d802
--- /dev/null
+++ b/libav/h263data.h
@@ -0,0 +1,151 @@
+/* DCT coefficients. Four tables, two for last = 0, two for last = 1.
+   the sign bit must be added afterwards. */
+
+/* first part of coeffs for last = 0. Indexed by [run][level-1] */
+
+static const UINT8 coeff_tab0[2][12][2] =
+{
+  /* run = 0 */
+  {
+    {0x02, 2}, {0x0f, 4}, {0x15, 6}, {0x17, 7},
+    {0x1f, 8}, {0x25, 9}, {0x24, 9}, {0x21,10},
+    {0x20,10}, {0x07,11}, {0x06,11}, {0x20,11}
+  },
+  /* run = 1 */
+  {
+    {0x06, 3}, {0x14, 6}, {0x1e, 8}, {0x0f,10},
+    {0x21,11}, {0x50,12}, {0x00, 0}, {0x00, 0},
+    {0x00, 0}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  }
+};
+
+/* rest of coeffs for last = 0. indexing by [run-2][level-1] */
+
+static const UINT8 coeff_tab1[25][4][2] =
+{
+  /* run = 2 */
+  {
+    {0x0e, 4}, {0x1d, 8}, {0x0e,10}, {0x51,12}
+  },
+  /* run = 3 */
+  {
+    {0x0d, 5}, {0x23, 9}, {0x0d,10}, {0x00, 0}
+  },
+  /* run = 4-26 */
+  {
+    {0x0c, 5}, {0x22, 9}, {0x52,12}, {0x00, 0}
+  },
+  {
+    {0x0b, 5}, {0x0c,10}, {0x53,12}, {0x00, 0}
+  },
+  {
+    {0x13, 6}, {0x0b,10}, {0x54,12}, {0x00, 0}
+  },
+  {
+    {0x12, 6}, {0x0a,10}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x11, 6}, {0x09,10}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x10, 6}, {0x08,10}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x16, 7}, {0x55,12}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x15, 7}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x14, 7}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1c, 8}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1b, 8}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x21, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x20, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1f, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1e, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1d, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1c, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1b, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x1a, 9}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x22,11}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x23,11}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x56,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  },
+  {
+    {0x57,12}, {0x00, 0}, {0x00, 0}, {0x00, 0}
+  }
+};
+
+/* first coeffs of last = 1. indexing by [run][level-1] */
+
+static const UINT8 coeff_tab2[2][3][2] =
+{
+  /* run = 0 */
+  {
+    {0x07, 4}, {0x19, 9}, {0x05,11}
+  },
+  /* run = 1 */
+  {
+    {0x0f, 6}, {0x04,11}, {0x00, 0}
+  }
+};
+
+/* rest of coeffs for last = 1. indexing by [run-2] */
+
+static const UINT8 coeff_tab3[40][2] =
+{
+  {0x0e, 6}, {0x0d, 6}, {0x0c, 6},
+  {0x13, 7}, {0x12, 7}, {0x11, 7}, {0x10, 7},
+  {0x1a, 8}, {0x19, 8}, {0x18, 8}, {0x17, 8},
+  {0x16, 8}, {0x15, 8}, {0x14, 8}, {0x13, 8},
+  {0x18, 9}, {0x17, 9}, {0x16, 9}, {0x15, 9},    
+  {0x14, 9}, {0x13, 9}, {0x12, 9}, {0x11, 9},    
+  {0x07,10}, {0x06,10}, {0x05,10}, {0x04,10},    
+  {0x24,11}, {0x25,11}, {0x26,11}, {0x27,11},    
+  {0x58,12}, {0x59,12}, {0x5a,12}, {0x5b,12},    
+  {0x5c,12}, {0x5d,12}, {0x5e,12}, {0x5f,12},
+  {0x00, 0}               
+};
+
+/* intra MCBPC, mb_type = 3 */
+static UINT8 intra_MCBPC_code[4] = { 1, 1, 2, 3 };
+static UINT8 intra_MCBPC_bits[4] = { 1, 3, 3, 3 };
+
+/* inter MCBPC, mb_type = 0 then 3 */
+static UINT8 inter_MCBPC_code[8] = { 1, 3, 2, 5, 3, 4, 3, 3 };
+static UINT8 inter_MCBPC_bits[8] = { 1, 4, 4, 6, 5, 8, 8, 7 };
+
+static UINT8 cbpy_tab[16][2] =
+{
+  {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
+  {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
+};
+
+