- Advanced Intra Coding (AIC) support for H.263+ encoder, just DC by now.

- Bug fix H.263+ AIC tables.
- Warning fixes.

Originally committed as revision 431 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 60 insertions, 33 deletions

diff --git a/libavcodec/h263data.h b/libavcodec/h263data.h
index a129fd6..c4342ff 100644
--- a/libavcodec/h263data.h
+++ b/libavcodec/h263data.h
@@ -125,45 +125,73 @@ static RLTable rl_inter = {
     inter_level,
 };
 
-/* table used for Advanced INTRA Coding, just RUN and LEVEL change */
-const INT8 inter_level_aic[102] = {
-  1,  1,  1,  1,  1,  1,  1,  1,
-  1,  3,  2,  1,  2,  2,  4,  5,
-  6,  7,  3,  2,  3,  4,  5,  2,
-  3,  4,  2,  3,  1,  2, 25,  1,
-  2, 24,  8,  2,  7,  4,  6,  1,
-  9, 23,  2,  3,  1, 10, 12, 11,
- 18, 17, 16, 15, 14, 13, 20, 19,
- 22, 21,  1,  1,  1,  1,  1,  1,
-  1,  2,  1,  1,  1,  3,  1,  1,
-  1,  1,  1,  1,  1,  4,  1,  1,
-  1,  1,  2,  2,  6,  5,  2,  2,
-  3,  7,  3,  4,  9,  8,  1,  1,
-  1,  2,  2,  2,  3, 10,
+const UINT16 intra_vlc_aic[103][2] = {
+{  0x2,  2 }, {  0x6,  3 }, {  0xe,  4 }, {  0xc,  5 }, 
+{  0xd,  5 }, { 0x10,  6 }, { 0x11,  6 }, { 0x12,  6 }, 
+{ 0x16,  7 }, { 0x1b,  8 }, { 0x20,  9 }, { 0x21,  9 }, 
+{ 0x1a,  9 }, { 0x1b,  9 }, { 0x1c,  9 }, { 0x1d,  9 }, 
+{ 0x1e,  9 }, { 0x1f,  9 }, { 0x23, 11 }, { 0x22, 11 }, 
+{ 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 }, 
+{ 0x53, 12 }, {  0xf,  4 }, { 0x14,  6 }, { 0x14,  7 }, 
+{ 0x1e,  8 }, {  0xf, 10 }, { 0x21, 11 }, { 0x50, 12 }, 
+{  0xb,  5 }, { 0x15,  7 }, {  0xe, 10 }, {  0x9, 10 }, 
+{ 0x15,  6 }, { 0x1d,  8 }, {  0xd, 10 }, { 0x51, 12 }, 
+{ 0x13,  6 }, { 0x23,  9 }, {  0x7, 11 }, { 0x17,  7 }, 
+{ 0x22,  9 }, { 0x52, 12 }, { 0x1c,  8 }, {  0xc, 10 }, 
+{ 0x1f,  8 }, {  0xb, 10 }, { 0x25,  9 }, {  0xa, 10 }, 
+{ 0x24,  9 }, {  0x6, 11 }, { 0x21, 10 }, { 0x20, 10 }, 
+{  0x8, 10 }, { 0x20, 11 }, {  0x7,  4 }, {  0xc,  6 }, 
+{ 0x10,  7 }, { 0x13,  8 }, { 0x11,  9 }, { 0x12,  9 }, 
+{  0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 }, 
+{  0xf,  6 }, { 0x13,  9 }, {  0x5, 10 }, { 0x25, 11 }, 
+{  0xe,  6 }, { 0x14,  9 }, { 0x24, 11 }, {  0xd,  6 }, 
+{  0x6, 10 }, { 0x5e, 12 }, { 0x11,  7 }, {  0x7, 10 }, 
+{ 0x13,  7 }, { 0x5d, 12 }, { 0x12,  7 }, { 0x5c, 12 }, 
+{ 0x14,  8 }, { 0x5b, 12 }, { 0x15,  8 }, { 0x1a,  8 }, 
+{ 0x19,  8 }, { 0x18,  8 }, { 0x17,  8 }, { 0x16,  8 }, 
+{ 0x19,  9 }, { 0x15,  9 }, { 0x16,  9 }, { 0x18,  9 }, 
+{ 0x17,  9 }, {  0x4, 11 }, {  0x5, 11 }, { 0x58, 12 }, 
+{ 0x59, 12 }, { 0x5a, 12 }, {  0x3,  7 },
 };
 
-const INT8 inter_run_aic[102] = {
-  0,  1,  3,  5,  7,  8,  9, 10,
- 11,  4,  9, 13,  0,  1,  1,  1,
-  1,  1,  0,  3,  2,  3,  0,  4,
-  3,  0,  5,  5,  2,  6,  0,  4,
-  7,  0,  0,  8,  0,  2,  0, 12,
-  0,  0,  2,  1,  6,  0,  0,  0,
-  0,  0,  0,  0,  0,  0,  0,  0,
-  0,  0,  0, 14, 20,  1, 19,  2,
-  3,  0,  5,  6,  4,  0,  9, 10,
- 11, 12, 13,  8,  7,  0, 17, 18,
- 16, 15,  2,  1,  0,  0,  4,  3,
-  1,  0,  2,  1,  0,  0, 21, 22,
- 23,  7,  6,  5,  3,  0,
+const INT8 intra_run_aic[102] = {
+ 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, 
+ 2,  2,  2,  2,  3,  3,  3,  3, 
+ 4,  4,  4,  5,  5,  5,  6,  6, 
+ 7,  7,  8,  8,  9,  9, 10, 11, 
+12, 13,  0,  0,  0,  0,  0,  0, 
+ 0,  0,  0,  0,  1,  1,  1,  1, 
+ 2,  2,  2,  3,  3,  3,  4,  4, 
+ 5,  5,  6,  6,  7,  7,  8,  9, 
+10, 11, 12, 13, 14, 15, 16, 17, 
+18, 19, 20, 21, 22, 23, 
+};
+
+const INT8 intra_level_aic[102] = {
+ 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,  1,  2,  3,  4,  5,  6,  7, 
+ 1,  2,  3,  4,  1,  2,  3,  4, 
+ 1,  2,  3,  1,  2,  3,  1,  2, 
+ 1,  2,  1,  2,  1,  2,  1,  1, 
+ 1,  1,  1,  2,  3,  4,  5,  6, 
+ 7,  8,  9, 10,  1,  2,  3,  4, 
+ 1,  2,  3,  1,  2,  3,  1,  2, 
+ 1,  2,  1,  2,  1,  2,  1,  1, 
+ 1,  1,  1,  1,  1,  1,  1,  1, 
+ 1,  1,  1,  1,  1,  1,
 };
 
 static RLTable rl_intra_aic = {
     102,
     58,
-    inter_vlc,
-    inter_run_aic,
-    inter_level_aic,
+    intra_vlc_aic,
+    intra_run_aic,
+    intra_level_aic,
 };
 
 static const UINT16 h263_format[8][2] = {
@@ -174,4 +202,3 @@ static const UINT16 h263_format[8][2] = {
     { 704, 576 },
     { 1408, 1152 },
 };
-