apps/ffmpeg-rockchip
1
0
Fork 0
mirror of https://github.com/nyanmisaka/ffmpeg-rockchip.git synced 2025-12-24 11:52:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

rv20 (h263) b frame decoding support

Browse Source 
Originally committed as revision 2561 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2003-12-04 18:34:47 +00:00
parent 6952f12338
commit b40cd4e0e4
7 changed files with 321 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libavcodec/mpeg12data.h
+10 -12
View File
@@ -283,10 +283,8 @@ static const uint8_t mbPatTable[63][2] = {
{0xc, 6}
};
#define MB_TYPE_PAT 0x40000000
#define MB_TYPE_ZERO_MV 0x20000000
#define IS_ZERO_MV(a) ((a)&MB_TYPE_ZERO_MV)
#define IS_PAT(a) ((a)&MB_TYPE_PAT)
static const uint8_t table_mb_ptype[7][2] = {
{ 3, 5 }, // 0x01 MB_INTRA
@@ -300,12 +298,12 @@ static const uint8_t table_mb_ptype[7][2] = {
static const uint32_t ptype2mb_type[7] = {
MB_TYPE_INTRA,
MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
MB_TYPE_L0,
MB_TYPE_L0 | MB_TYPE_PAT,
MB_TYPE_L0 | MB_TYPE_CBP,
MB_TYPE_QUANT | MB_TYPE_INTRA,
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT,
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
};
static const uint8_t table_mb_btype[11][2] = {
@@ -325,15 +323,15 @@ static const uint8_t table_mb_btype[11][2] = {
static const uint32_t btype2mb_type[11] = {
MB_TYPE_INTRA,
MB_TYPE_L1,
MB_TYPE_L1 | MB_TYPE_PAT,
MB_TYPE_L1 | MB_TYPE_CBP,
MB_TYPE_L0,
MB_TYPE_L0 | MB_TYPE_PAT,
MB_TYPE_L0 | MB_TYPE_CBP,
MB_TYPE_L0L1,
MB_TYPE_L0L1 | MB_TYPE_PAT,
MB_TYPE_L0L1 | MB_TYPE_CBP,
MB_TYPE_QUANT | MB_TYPE_INTRA,
MB_TYPE_QUANT | MB_TYPE_L1 | MB_TYPE_PAT,
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT,
MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_PAT,
MB_TYPE_QUANT | MB_TYPE_L1 | MB_TYPE_CBP,
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,
};
static const uint8_t mbMotionVectorTable[17][2] = {