lame bit_rate calculation

[ffmpeg] / libavcodec / h263data.h

diff --git a/libavcodec/h263data.h b/libavcodec/h263data.h
index 809b10da2932ad9cc30032b5b0734bca7daff56c..f38037840954a8272620a626c60fd219c0506248 100644 (file)
--- a/libavcodec/h263data.h
+++ b/libavcodec/h263data.h
@@ -29,6 +29,49 @@ const uint8_t inter_MCBPC_bits[28] = {
     11, 13, 13, 13,/* inter4Q*/
 };
 
+static const uint8_t h263_mbtype_b_tab[15][2] = {
+ {1, 1}, 
+ {3, 3}, 
+ {1, 5}, 
+ {4, 4},
+ {5, 4},
+ {6, 6},
+ {2, 4},
+ {3, 4},
+ {7, 6},
+ {4, 6},
+ {5, 6},
+ {1, 6},
+ {1,10},
+ {1, 7},
+ {1, 8},
+};
+
+static const int h263_mb_type_b_map[15]= {
+    MB_TYPE_DIRECT2 | MB_TYPE_L0L1,
+    MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP,
+    MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT,
+                      MB_TYPE_L0                                 | MB_TYPE_16x16,
+                      MB_TYPE_L0   | MB_TYPE_CBP                 | MB_TYPE_16x16,
+                      MB_TYPE_L0   | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
+                      MB_TYPE_L1                                 | MB_TYPE_16x16,
+                      MB_TYPE_L1   | MB_TYPE_CBP                 | MB_TYPE_16x16,
+                      MB_TYPE_L1   | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
+                      MB_TYPE_L0L1                               | MB_TYPE_16x16,
+                      MB_TYPE_L0L1 | MB_TYPE_CBP                 | MB_TYPE_16x16,
+                      MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
+    0, //stuffing
+    MB_TYPE_INTRA4x4                | MB_TYPE_CBP,
+    MB_TYPE_INTRA4x4                | MB_TYPE_CBP | MB_TYPE_QUANT,
+};
+
+const uint8_t cbpc_b_tab[4][2] = {
+{0, 1},
+{2, 2},
+{7, 3},
+{6, 3},
+};
+
 const uint8_t cbpy_tab[16][2] =
 {
   {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
@@ -183,6 +226,22 @@ static RLTable rl_intra_aic = {
     intra_level_aic,
 };
 
+static const uint8_t wrong_run[102] = {
+ 1,  2,  3,  5,  4, 10,  9,  8, 
+11, 15, 17, 16, 23, 22, 21, 20, 
+19, 18, 25, 24, 27, 26, 11,  7,  
+ 6,  1,  2, 13,  2,  2,  2,  2, 
+ 6, 12,  3,  9,  1,  3,  4,  3, 
+ 7,  4,  1,  1,  5,  5, 14,  6, 
+ 1,  7,  1,  8,  1,  1,  1,  1, 
+10,  1,  1,  5,  9, 17, 25, 24, 
+29, 33, 32, 41,  2, 23, 28, 31,  
+ 3, 22, 30,  4, 27, 40,  8, 26,  
+ 6, 39,  7, 38, 16, 37, 15, 10, 
+11, 12, 13, 14,  1, 21, 20, 18, 
+19,  2,  1, 34, 35, 36
+};
+
 static const uint16_t h263_format[8][2] = {
     { 0, 0 },
     { 128, 96 },
@@ -192,8 +251,35 @@ static const uint16_t h263_format[8][2] = {
     { 1408, 1152 },
 };
 
-static uint8_t h263_aic_dc_scale_table[32]={
+const uint8_t ff_aic_dc_scale_table[32]={
 //  0  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 28 29 30 31
     0, 2, 4, 6, 8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62
 };
 
+static const uint8_t modified_quant_tab[2][32]={
+//  0  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 28 29 30 31
+{
+    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
+}   
+};
+
+const uint8_t ff_h263_chroma_qscale_table[32]={
+//  0  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 28 29 30 31
+    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
+};
+
+const uint16_t ff_mba_max[6]={
+     47,  98, 395,1583,6335,9215
+};
+
+const uint8_t ff_mba_length[6]={
+      6,   7,   9,  11,  13,  14
+};
+
+const uint8_t ff_h263_loop_filter_strength[32]={
+//  0  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 28 29 30 31
+    0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9,10,10,10,11,11,11,12,12,12
+};
+