rvlc decoding support

Originally committed as revision 1678 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 208 insertions, 0 deletions

diff --git a/libavcodec/mpeg4data.h b/libavcodec/mpeg4data.h
index 219e329934..fbaca8d5e2 100644
--- a/libavcodec/mpeg4data.h
+++ b/libavcodec/mpeg4data.h
@@ -121,6 +121,214 @@ static RLTable rl_intra = {
     intra_level,
 };
 
+static const uint16_t inter_rvlc[170][2]={ //note this is identical to the intra rvlc except that its reordered
+{0x0006,  3},{0x0001,  4},{0x0004,  5},{0x001C,  7},
+{0x003C,  8},{0x003D,  8},{0x007C,  9},{0x00FC, 10},
+{0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},
+{0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},
+{0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007,  3},
+{0x000C,  6},{0x005C,  8},{0x007D,  9},{0x017C, 10},
+{0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},
+{0x17FD, 14},{0x000A,  4},{0x001D,  7},{0x00BC,  9},
+{0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},
+{0x0005,  5},{0x005D,  8},{0x017D, 10},{0x05FD, 12},
+{0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008,  5},
+{0x006C,  8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},
+{0x0009,  5},{0x00BD,  9},{0x037D, 11},{0x0EFD, 13},
+{0x000D,  6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},
+{0x0014,  6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},
+{0x0015,  6},{0x01DC, 10},{0x0F7C, 13},{0x002C,  7},
+{0x01DD, 10},{0x1EFC, 14},{0x002D,  7},{0x03BC, 11},
+{0x0034,  7},{0x077C, 12},{0x006D,  8},{0x0F7D, 13},
+{0x0074,  8},{0x1EFD, 14},{0x0075,  8},{0x1F7C, 14},
+{0x00DC,  9},{0x1F7D, 14},{0x00DD,  9},{0x1FBC, 14},
+{0x00EC,  9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},
+{0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},
+{0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},
+{0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},
+{0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},
+{0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},
+{0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},
+{0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},
+{0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},
+{0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},
+{0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},
+{0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},
+{0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},
+{0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},
+{0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},
+{0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},
+{0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},
+{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
+{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
+{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
+{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
+{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
+{0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
+};
+
+static const uint8_t inter_rvlc_run[169]={
+ 0,  0,  0,  0,  0,  0,  0,  0, 
+ 0,  0,  0,  0,  0,  0,  0,  0, 
+ 0,  0,  0,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  2,  2,  2, 
+ 2,  2,  2,  2,  3,  3,  3,  3, 
+ 3,  3,  3,  4,  4,  4,  4,  4, 
+ 5,  5,  5,  5,  6,  6,  6,  6, 
+ 7,  7,  7,  7,  8,  8,  8,  9, 
+ 9,  9, 10, 10, 11, 11, 12, 12, 
+13, 13, 14, 14, 15, 15, 16, 16, 
+17, 17, 18, 19, 20, 21, 22, 23, 
+24, 25, 26, 27, 28, 29, 30, 31, 
+32, 33, 34, 35, 36, 37, 38, 
+ 0,  0,  0,  0,  0,  1,  1,  1, 
+ 1,  1,  2,  2,  2,  3,  3,  4, 
+ 4,  5,  5,  6,  6,  7,  7,  8, 
+ 8,  9,  9, 10, 10, 11, 11, 12, 
+12, 13, 13, 14, 15, 16, 17, 18, 
+19, 20, 21, 22, 23, 24, 25, 26, 
+27, 28, 29, 30, 31, 32, 33, 34, 
+35, 36, 37, 38, 39, 40, 41, 42, 
+43, 44,  
+};
+
+static const uint8_t inter_rvlc_level[169]={
+ 1,  2,  3,  4,  5,  6,  7,  8, 
+ 9, 10, 11, 12, 13, 14, 15, 16, 
+17, 18, 19,  1,  2,  3,  4,  5, 
+ 6,  7,  8,  9, 10,  1,  2,  3, 
+ 4,  5,  6,  7,  1,  2,  3,  4, 
+ 5,  6,  7,  1,  2,  3,  4,  5, 
+ 1,  2,  3,  4,  1,  2,  3,  4, 
+ 1,  2,  3,  4,  1,  2,  3,  1, 
+ 2,  3,  1,  2,  1,  2,  1,  2, 
+ 1,  2,  1,  2,  1,  2,  1,  2, 
+ 1,  2,  1,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1, 
+ 1,  2,  3,  4,  5,  1,  2,  3, 
+ 4,  5,  1,  2,  3,  1,  2,  1, 
+ 2,  1,  2,  1,  2,  1,  2,  1, 
+ 2,  1,  2,  1,  2,  1,  2,  1, 
+ 2,  1,  2,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1, 
+};
+
+static RLTable rvlc_rl_inter = {
+    169,
+    103,
+    inter_rvlc,
+    inter_rvlc_run,
+    inter_rvlc_level,
+};
+
+static const uint16_t intra_rvlc[170][2]={
+{0x0006,  3},{0x0007,  3},{0x000A,  4},{0x0009,  5},
+{0x0014,  6},{0x0015,  6},{0x0034,  7},{0x0074,  8},
+{0x0075,  8},{0x00DD,  9},{0x00EC,  9},{0x01EC, 10},
+{0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},
+{0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},
+{0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},
+{0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001,  4},
+{0x0008,  5},{0x002D,  7},{0x006C,  8},{0x006D,  8},
+{0x00DC,  9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},
+{0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},
+{0x0004,  5},{0x002C,  7},{0x00BC,  9},{0x01DC, 10},
+{0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},
+{0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005,  5},
+{0x005C,  8},{0x00BD,  9},{0x037D, 11},{0x06FC, 12},
+{0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},
+{0x000C,  6},{0x005D,  8},{0x01BD, 10},{0x03FD, 12},
+{0x06FD, 12},{0x1BFD, 14},{0x000D,  6},{0x007D,  9},
+{0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},
+{0x001C,  7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},
+{0x2FFC, 15},{0x001D,  7},{0x017D, 10},{0x037C, 11},
+{0x0DFD, 13},{0x2FFD, 15},{0x003C,  8},{0x01BC, 10},
+{0x0BFD, 13},{0x17FD, 14},{0x003D,  8},{0x01FD, 11},
+{0x0DFC, 13},{0x37FC, 15},{0x007C,  9},{0x03FC, 12},
+{0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},
+{0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},
+{0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},
+{0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},
+{0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},
+{0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},
+{0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},
+{0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},
+{0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},
+{0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},
+{0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},
+{0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},
+{0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},
+{0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},
+{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
+{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
+{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
+{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
+{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
+{0x3F7C, 15},{0x3F7D, 15},{0x0000,  4}
+};
+
+static const uint8_t intra_rvlc_run[169]={
+ 0,  0,  0,  0,  0,  0,  0,  0, 
+ 0,  0,  0,  0,  0,  0,  0,  0, 
+ 0,  0,  0,  0,  0,  0,  0,  0, 
+ 0,  0,  0,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 2,  2,  2,  2,  2,  2,  2,  2, 
+ 2,  2,  2,  3,  3,  3,  3,  3, 
+ 3,  3,  3,  3,  4,  4,  4,  4, 
+ 4,  4,  5,  5,  5,  5,  5,  5, 
+ 6,  6,  6,  6,  6,  7,  7,  7, 
+ 7,  7,  8,  8,  8,  8,  9,  9, 
+ 9,  9, 10, 10, 11, 11, 12, 12, 
+13, 14, 15, 16, 17, 18, 19, 
+ 0,  0,  0,  0,  0,  1,  1,  1, 
+ 1,  1,  2,  2,  2,  3,  3,  4, 
+ 4,  5,  5,  6,  6,  7,  7,  8, 
+ 8,  9,  9, 10, 10, 11, 11, 12, 
+12, 13, 13, 14, 15, 16, 17, 18, 
+19, 20, 21, 22, 23, 24, 25, 26, 
+27, 28, 29, 30, 31, 32, 33, 34, 
+35, 36, 37, 38, 39, 40, 41, 42, 
+43, 44, 
+};
+
+static const uint8_t intra_rvlc_level[169]={
+ 1,  2,  3,  4,  5,  6,  7,  8, 
+ 9, 10, 11, 12, 13, 14, 15, 16, 
+17, 18, 19, 20, 21, 22, 23, 24, 
+25, 26, 27,  1,  2,  3,  4,  5, 
+ 6,  7,  8,  9, 10, 11, 12, 13, 
+ 1,  2,  3,  4,  5,  6,  7,  8, 
+ 9, 10, 11,  1,  2,  3,  4,  5, 
+ 6,  7,  8,  9,  1,  2,  3,  4, 
+ 5,  6,  1,  2,  3,  4,  5,  6, 
+ 1,  2,  3,  4,  5,  1,  2,  3, 
+ 4,  5,  1,  2,  3,  4,  1,  2, 
+ 3,  4,  1,  2,  1,  2,  1,  2, 
+ 1,  1,  1,  1,  1,  1,  1,  
+ 1,  2,  3,  4,  5,  1,  2,  3, 
+ 4,  5,  1,  2,  3,  1,  2,  1, 
+ 2,  1,  2,  1,  2,  1,  2,  1, 
+ 2,  1,  2,  1,  2,  1,  2,  1, 
+ 2,  1,  2,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1, 
+};
+
+static RLTable rvlc_rl_intra = {
+    169,
+    103,
+    intra_rvlc,
+    intra_rvlc_run,
+    intra_rvlc_level,
+};
+
 static const uint16_t sprite_trajectory_tab[15][2] = {
  {0x00, 2}, {0x02, 3},  {0x03, 3},  {0x04, 3}, {0x05, 3}, {0x06, 3},
  {0x0E, 4}, {0x1E, 5},  {0x3E, 6},  {0x7E, 7}, {0xFE, 8},