rv20 decoder

Originally committed as revision 2543 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 22 insertions, 1 deletions

diff --git a/libavcodec/h263data.h b/libavcodec/h263data.h
index 5af773f..d048ee4 100644
--- a/libavcodec/h263data.h
+++ b/libavcodec/h263data.h
@@ -208,8 +208,29 @@ static const uint16_t h263_format[8][2] = {
     { 1408, 1152 },
 };
 
-static uint8_t h263_aic_dc_scale_table[32]={
+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
+}   
+};
+
+static const uint8_t chroma_qscale_tab[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
+};